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authorMichal Marek <mmarek@suse.cz>2009-11-20 19:18:16 +0100
committerMichal Marek <mmarek@suse.cz>2009-11-20 19:18:16 +0100
commit23beb45d6f8f7f50c79d3b757992a5e6421b4131 (patch)
treea69af9d7b415c16b8e8e3c48b27fc1d172b38fce
parent951c709411d763266d1a6492197db590e2bfddb9 (diff)
parentf3b4a5727efaeb0fa1bab0b2416d6387db84d9c8 (diff)
Merge branch 'master' into SLE11-SP1rpm-2.6.32-0.6
-rw-r--r--Documentation/ABI/testing/sysfs-perfmon18
-rw-r--r--Documentation/kmsg/s390/qeth2
-rw-r--r--arch/ia64/include/asm/bfd.h14
-rw-r--r--arch/ia64/kdb/ia64-asmtab.h2
-rw-r--r--arch/ia64/kdb/ia64-opc.c24
-rw-r--r--arch/ia64/kdb/kdba_bp.c4
-rw-r--r--arch/ia64/kdb/kdba_id.c4
-rw-r--r--arch/ia64/kdb/kdba_jmp.S66
-rw-r--r--arch/ia64/kernel/sys_ia64.c2
-rw-r--r--arch/ia64/mm/init.c2
-rw-r--r--arch/ia64/oprofile/perfmon.c2
-rw-r--r--arch/powerpc/mm/mmap_64.c4
-rw-r--r--arch/powerpc/platforms/cell/spufs/coredump.c2
-rw-r--r--arch/s390/mm/mmap.c4
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c6
-rw-r--r--arch/x86/ia32/ia32_aout.c2
-rw-r--r--arch/x86/ia32/ia32entry.S2
-rw-r--r--arch/x86/include/asm/bfd_32.h14
-rw-r--r--arch/x86/include/asm/bfd_64.h14
-rw-r--r--arch/x86/include/asm/unistd_32.h4
-rw-r--r--arch/x86/include/asm/unistd_64.h4
-rw-r--r--arch/x86/kdb/kdba_bt.c2
-rw-r--r--arch/x86/kernel/syscall_table_32.S2
-rw-r--r--arch/x86/mm/mmap.c6
-rw-r--r--drivers/char/crasher.c14
-rw-r--r--drivers/hid/usbhid/usbkbd.c4
-rw-r--r--drivers/infiniband/core/umem.c2
-rw-r--r--drivers/infiniband/hw/ipath/ipath_user_pages.c3
-rw-r--r--drivers/net/bnx2.c7
-rw-r--r--drivers/net/e1000/e1000_main.c7
-rw-r--r--drivers/net/e1000e/e1000.h1
-rw-r--r--drivers/net/e1000e/netdev.c12
-rw-r--r--drivers/net/e1000e/param.c4
-rw-r--r--drivers/net/igb/e1000_82575.c1
-rw-r--r--drivers/net/igb/e1000_hw.h1
-rw-r--r--drivers/net/igb/igb_main.c18
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c25
-rw-r--r--drivers/net/phy/broadcom.c208
-rw-r--r--drivers/net/tg3.c900
-rw-r--r--drivers/net/tg3.h73
-rw-r--r--drivers/scsi/aacraid/commctrl.c2
-rw-r--r--drivers/scsi/fnic/fnic_scsi.c20
-rw-r--r--drivers/scsi/hosts.c13
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c2
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c30
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c738
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.h149
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c3
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c25
-rw-r--r--drivers/scsi/scsi_lib.c2
-rw-r--r--drivers/scsi/scsi_lib_dma.c7
-rw-r--r--drivers/scsi/scsi_transport_fc.c26
-rw-r--r--drivers/usb/host/ehci-q.c18
-rw-r--r--drivers/usb/host/ohci-q.c14
-rw-r--r--fs/attr.c2
-rw-r--r--fs/binfmt_aout.c2
-rw-r--r--fs/binfmt_flat.c2
-rw-r--r--fs/exec.c8
-rw-r--r--fs/fcntl.c2
-rw-r--r--fs/file.c2
-rw-r--r--fs/fs-writeback.c54
-rw-r--r--fs/ocfs2/reservations.h2
-rw-r--r--fs/proc/array.c4
-rw-r--r--fs/proc/base.c78
-rw-r--r--fs/select.c2
-rw-r--r--include/asm-generic/unistd.h6
-rw-r--r--include/asm-generic/vmlinux.lds.h4
-rw-r--r--include/linux/brcmphy.h19
-rw-r--r--include/linux/dis-asm.h4
-rw-r--r--include/linux/fs.h5
-rw-r--r--include/linux/kmod.h2
-rw-r--r--include/linux/posix-timers.h2
-rw-r--r--include/linux/resource.h2
-rw-r--r--include/linux/sched.h22
-rw-r--r--include/linux/security.h9
-rw-r--r--include/linux/syscalls.h4
-rw-r--r--include/linux/writeback.h4
-rw-r--r--include/scsi/scsi_host.h40
-rw-r--r--include/scsi/scsi_transport_fc.h1
-rw-r--r--ipc/mqueue.c2
-rw-r--r--ipc/shm.c3
-rw-r--r--kdb/kdbdereference.c76
-rw-r--r--kdb/kdbmain.c2
-rw-r--r--kdb/kdbsupport.c2
-rw-r--r--kdb/modules/kdbm_x86.c8
-rw-r--r--kernel/compat.c91
-rw-r--r--kernel/fork.c10
-rw-r--r--kernel/kmod.c3
-rw-r--r--kernel/perf_event.c2
-rw-r--r--kernel/posix-cpu-timers.c52
-rw-r--r--kernel/sched.c4
-rw-r--r--kernel/sched_rt.c5
-rw-r--r--kernel/signal.c2
-rw-r--r--kernel/sys.c161
-rw-r--r--mm/filemap.c66
-rw-r--r--mm/mlock.c12
-rw-r--r--mm/mmap.c13
-rw-r--r--mm/mremap.c2
-rw-r--r--perfmon/perfmon_control.c2
-rw-r--r--perfmon/perfmon_ctx.c4
-rw-r--r--perfmon/perfmon_pmu.c10
-rw-r--r--perfmon/perfmon_res.c4
-rw-r--r--security/capability.c3
-rw-r--r--security/security.c5
-rw-r--r--security/selinux/hooks.c10
105 files changed, 2491 insertions, 880 deletions
diff --git a/Documentation/ABI/testing/sysfs-perfmon b/Documentation/ABI/testing/sysfs-perfmon
index 703a6bba9b9c..7ac84ddfd235 100644
--- a/Documentation/ABI/testing/sysfs-perfmon
+++ b/Documentation/ABI/testing/sysfs-perfmon
@@ -4,7 +4,7 @@ KernelVersion: 2.6.27
Contact: eranian@gmail.com
Description: provide the configuration interface for the perfmon subsystems.
- The tree contains information about the detected hardware,
+ The tree contains information about the detected hardware,
current state of the subsystem as well as some configuration
parameters.
@@ -19,14 +19,14 @@ Description: provide the configuration interface for the perfmon subsystems.
/sys/kernel/perfmon/pmc_max_fast_arg (read-only):
Number of perfmon syscall arguments copied directly onto the
- stack (copy_from_user) for pfm_write_pmcs(). Copying to the
+ stack (copy_from_user) for pfm_write_pmcs(). Copying to the
stack avoids having to allocate a buffer. The unit is the
number of pfarg_pmc_t structures.
/sys/kernel/perfmon/pmd_max_fast_arg (read-only):
Number of perfmon syscall arguments copied directly onto the
- stack (copy_from_user) for pfm_write_pmds()/pfm_read_pmds().
+ stack (copy_from_user) for pfm_write_pmds()/pfm_read_pmds().
Copying to the stack avoids having to allocate a buffer. The
unit is the number of pfarg_pmd_t structures.
@@ -38,18 +38,18 @@ Description: provide the configuration interface for the perfmon subsystems.
/sys/kernel/perfmon/smpl_buffer_mem_cur (read-only):
Reports the amount of memory currently dedicated to sampling
- buffers by the kernel. The unit is byte.
+ buffers by the kernel. The unit is byte.
- /sys/kernel/perfmon/smpl_buffer_mem_max (read-write):
+ /sys/kernel/perfmon/smpl_buffer_mem_max (read-write):
Maximum amount of kernel memory usable for sampling buffers.
-1 means everything that is available. Unit is byte.
- /sys/kernel/perfmon/smpl_buffer_mem_cur (read-only):
+ /sys/kernel/perfmon/smpl_buffer_mem_cur (read-only):
Current utilization of kernel memory in bytes.
- /sys/kernel/perfmon/sys_group (read-write):
+ /sys/kernel/perfmon/sys_group (read-write):
Users group allowed to create a system-wide perfmon context
(session). -1 means any group.
@@ -57,7 +57,7 @@ Description: provide the configuration interface for the perfmon subsystems.
/sys/kernel/perfmon/task_group (read-write):
Users group allowed to create a per-thread context (session).
- -1 means any group.
+ -1 means any group.
/sys/kernel/perfmon/sys_sessions_count (read-only):
@@ -69,7 +69,7 @@ Description: provide the configuration interface for the perfmon subsystems.
Number of per-thread contexts (sessions) currently attached
to threads.
- /sys/kernel/perfmon/version (read-only):
+ /sys/kernel/perfmon/version (read-only):
Perfmon interface revision number.
diff --git a/Documentation/kmsg/s390/qeth b/Documentation/kmsg/s390/qeth
index 836e5ed518b2..bc8b6621327f 100644
--- a/Documentation/kmsg/s390/qeth
+++ b/Documentation/kmsg/s390/qeth
@@ -449,7 +449,7 @@
* or VSWITCH uses the network layer (layer 3).
* User action:
* If you are connecting to an ETHERNET guest LAN or VSWITCH, set the layer2 sysfs
- * attribute of the qeth device to 1. If you are connecting to an IP guest LAN or
+ * attribute of the qeth device to 1. If you are connecting to an IP guest LAN or
* VSWITCH, set the layer2 sysfs attribute of the qeth device to 0.
*/
diff --git a/arch/ia64/include/asm/bfd.h b/arch/ia64/include/asm/bfd.h
index 11ceefc244f3..13a395dac1a2 100644
--- a/arch/ia64/include/asm/bfd.h
+++ b/arch/ia64/include/asm/bfd.h
@@ -182,7 +182,7 @@ typedef unsigned char bfd_byte;
typedef int (*bfd_qsort_closure_func) (const void *, const void *, const void *);
extern void bfd_qsort (void *base, bfd_size_type nmemb, bfd_size_type size,
bfd_qsort_closure_func cmp, void *closure);
-
+
/* File formats. */
typedef enum bfd_format
@@ -258,7 +258,7 @@ bfd_format;
/* This BFD has been created by the linker and doesn't correspond
to any input file. */
#define BFD_LINKER_CREATED 0x2000
-
+
/* Symbols and relocation. */
/* A count of carsyms (canonical archive symbols). */
@@ -303,7 +303,7 @@ struct orl /* Output ranlib. */
} u; /* bfd* or file position. */
int namidx; /* Index into string table. */
};
-
+
/* Linenumber stuff. */
typedef struct lineno_cache_entry
{
@@ -315,7 +315,7 @@ typedef struct lineno_cache_entry
} u;
}
alent;
-
+
/* Object and core file sections. */
#define align_power(addr, align) \
@@ -347,7 +347,7 @@ typedef struct bfd_section *sec_ptr;
/ bfd_octets_per_byte (bfd))
typedef struct stat stat_type;
-
+
typedef enum bfd_print_symbol
{
bfd_print_symbol_name,
@@ -371,7 +371,7 @@ typedef struct _symbol_info
/* Get the name of a stabs type code. */
extern const char *bfd_get_stab_name (int);
-
+
/* Hash table routines. There is no way to free up a hash table. */
/* An element in the hash table. Most uses will actually use a larger
@@ -582,7 +582,7 @@ void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
extern bfd_boolean bfd_section_already_linked_table_init (void);
extern void bfd_section_already_linked_table_free (void);
-
+
/* Externally visible ECOFF routines. */
#if defined(__STDC__) || defined(ALMOST_STDC)
diff --git a/arch/ia64/kdb/ia64-asmtab.h b/arch/ia64/kdb/ia64-asmtab.h
index 9bcd23b2972c..1b8d5b3f55f7 100644
--- a/arch/ia64/kdb/ia64-asmtab.h
+++ b/arch/ia64/kdb/ia64-asmtab.h
@@ -82,7 +82,7 @@ struct ia64_main_table
Note that each completer needs to be applied in turn, so that if we
have the instruction
- cmp.lt.unc
+ cmp.lt.unc
the completer entries for both "lt" and "unc" would need to be applied
to the opcode's value.
diff --git a/arch/ia64/kdb/ia64-opc.c b/arch/ia64/kdb/ia64-opc.c
index ec6328d45942..7049f3655d39 100644
--- a/arch/ia64/kdb/ia64-opc.c
+++ b/arch/ia64/kdb/ia64-opc.c
@@ -101,7 +101,7 @@ get_opc_prefix (const char **ptr, char *dest)
*ptr += l;
}
}
-
+
/* Find the index of the entry in the string table corresponding to
STR; return -1 if one does not exist. */
@@ -135,7 +135,7 @@ find_string_ent (const char *str)
}
return -1;
}
-
+
/* Find the opcode in the main opcode table whose name is STRINGINDEX, or
return -1 if one does not exist. */
@@ -173,7 +173,7 @@ find_main_ent (short nameindex)
}
return -1;
}
-
+
/* Find the index of the entry in the completer table that is part of
MAIN_ENT (starting from PREV_COMPLETER) that matches NAME, or
return -1 if one does not exist. */
@@ -207,7 +207,7 @@ find_completer (short main_ent, short prev_completer, const char *name)
}
return -1;
}
-
+
/* Apply the completer referred to by COMPLETER_INDEX to OPCODE, and
return the result. */
@@ -223,7 +223,7 @@ apply_completer (ia64_insn opcode, int completer_index)
opcode = (opcode & ~mask) | bits;
return opcode;
}
-
+
/* Extract BITS number of bits starting from OP_POINTER + BITOFFSET in
the dis_table array, and return its value. (BITOFFSET is numbered
starting from MSB to LSB, so a BITOFFSET of 0 indicates the MSB of the
@@ -260,7 +260,7 @@ extract_op_bits (int op_pointer, int bitoffset, int bits)
}
return res;
}
-
+
/* Examine the state machine entry at OP_POINTER in the dis_table
array, and extract its values into OPVAL and OP. The length of the
state entry in bits is returned. */
@@ -316,7 +316,7 @@ extract_op (int op_pointer, int *opval, unsigned int *op)
}
return oplen;
}
-
+
/* Returns a non-zero value if the opcode in the main_table list at
PLACE matches OPCODE and is of type TYPE. */
@@ -357,7 +357,7 @@ opcode_verify (ia64_insn opcode, int place, enum ia64_insn_type type)
}
return 1;
}
-
+
/* Find an instruction entry in the ia64_dis_names array that matches
opcode OPCODE and is of type TYPE. Returns either a positive index
into the array, or a negative value if an entry for OPCODE could
@@ -540,7 +540,7 @@ locate_opcode_ent (ia64_insn opcode, enum ia64_insn_type type)
}
}
}
-
+
/* Construct an ia64_opcode entry based on OPCODE, NAME and PLACE. */
static struct ia64_opcode *
@@ -563,7 +563,7 @@ make_ia64_opcode (ia64_insn opcode, const char *name, int place, int depind)
res->dependencies = &op_dependencies[depind];
return res;
}
-
+
/* Determine the ia64_opcode entry for the opcode specified by INSN
and TYPE. If a valid entry is not found, return NULL. */
struct ia64_opcode *
@@ -621,7 +621,7 @@ ia64_dis_opcode (ia64_insn insn, enum ia64_insn_type type)
completer_table[ci].dependencies);
}
}
-
+
/* Search the main_opcode table starting from PLACE for an opcode that
matches NAME. Return NULL if one is not found. */
@@ -679,7 +679,7 @@ ia64_find_matching_opcode (const char *name, short place)
}
return NULL;
}
-
+
/* Find the next opcode after PREV_ENT that matches PREV_ENT, or return NULL
if one does not exist.
diff --git a/arch/ia64/kdb/kdba_bp.c b/arch/ia64/kdb/kdba_bp.c
index 0d71bafec580..6ef7730e1cf5 100644
--- a/arch/ia64/kdb/kdba_bp.c
+++ b/arch/ia64/kdb/kdba_bp.c
@@ -355,7 +355,7 @@ kdba_printbp(kdb_bp_t *bp)
{
kdb_printf("\n is enabled");
if (bp->bp_hardtype) {
- /* Note that bp->bp_hard[NR_CPU] is for x86.
+ /* Note that bp->bp_hard[NR_CPU] is for x86.
* The ia64 uses bp->bp_hard[0] only.
*/
kdba_printbpreg(bp->bp_hard[0]);
@@ -558,7 +558,7 @@ kdba_allocbp(kdbhard_bp_t *bph, int *diagp)
void
kdba_alloc_hwbp(kdb_bp_t *bp, int *diagp)
{
- /* Note that bp->bp_hard[NR_CPU] is for x86.
+ /* Note that bp->bp_hard[NR_CPU] is for x86.
* The ia64 uses bp->bp_hard[0] only.
*/
bp->bp_hard[0] = kdba_allocbp(&bp->bp_template, diagp);
diff --git a/arch/ia64/kdb/kdba_id.c b/arch/ia64/kdb/kdba_id.c
index fbba06d7fe12..ed1c6198eef9 100644
--- a/arch/ia64/kdb/kdba_id.c
+++ b/arch/ia64/kdb/kdba_id.c
@@ -150,7 +150,7 @@ ia64_patch_imm64 (u64 insn_addr, u64 val)
/* The assembler may generate offset pointing to either slot 1
or slot 2 for a long (2-slot) instruction, occupying slots 1
and 2. */
- insn_addr &= -16UL;
+ insn_addr &= -16UL;
ia64_patch(insn_addr + 2,
0x01fffefe000UL, ( ((val & 0x8000000000000000UL) >> 27) /* bit 63 -> 36 */
| ((val & 0x0000000000200000UL) << 0) /* bit 21 -> 21 */
@@ -166,7 +166,7 @@ ia64_patch_imm60 (u64 insn_addr, u64 val)
/* The assembler may generate offset pointing to either slot 1
or slot 2 for a long (2-slot) instruction, occupying slots 1
and 2. */
- insn_addr &= -16UL;
+ insn_addr &= -16UL;
ia64_patch(insn_addr + 2,
0x011ffffe000UL, ( ((val & 0x0800000000000000UL) >> 23) /* bit 59 -> 36 */
| ((val & 0x00000000000fffffUL) << 13) /* bit 0 -> 13 */));
diff --git a/arch/ia64/kdb/kdba_jmp.S b/arch/ia64/kdb/kdba_jmp.S
index f3552d45bc4d..e8e688523491 100644
--- a/arch/ia64/kdb/kdba_jmp.S
+++ b/arch/ia64/kdb/kdba_jmp.S
@@ -39,48 +39,48 @@
jmp_buf!
- offset: description:
+ offset: description:
------- ------------
- 0x000 stack pointer (r12) ; unchangeable (see _JMPBUF_UNWINDS)
- 0x008 r1 (gp)
+ 0x000 stack pointer (r12) ; unchangeable (see _JMPBUF_UNWINDS)
+ 0x008 r1 (gp)
0x010 caller's unat
0x018 fpsr
- 0x020 r4
- 0x028 r5
- 0x030 r6
- 0x038 r7
- 0x040 rp (b0)
- 0x048 b1
- 0x050 b2
- 0x058 b3
- 0x060 b4
- 0x068 b5
- 0x070 ar.pfs
- 0x078 ar.lc
- 0x080 pr
- 0x088 ar.bsp ; unchangeable (see __longjmp.S)
- 0x090 ar.unat
+ 0x020 r4
+ 0x028 r5
+ 0x030 r6
+ 0x038 r7
+ 0x040 rp (b0)
+ 0x048 b1
+ 0x050 b2
+ 0x058 b3
+ 0x060 b4
+ 0x068 b5
+ 0x070 ar.pfs
+ 0x078 ar.lc
+ 0x080 pr
+ 0x088 ar.bsp ; unchangeable (see __longjmp.S)
+ 0x090 ar.unat
0x098 &__jmp_buf ; address of the jmpbuf (needed to locate NaT bits in unat)
0x0a0 f2
0x0b0 f3
0x0c0 f4
0x0d0 f5
0x0e0 f16
- 0x0f0 f17
- 0x100 f18
- 0x110 f19
- 0x120 f20
- 0x130 f21
- 0x130 f22
- 0x140 f23
- 0x150 f24
- 0x160 f25
- 0x170 f26
- 0x180 f27
- 0x190 f28
- 0x1a0 f29
- 0x1b0 f30
- 0x1c0 f31 */
+ 0x0f0 f17
+ 0x100 f18
+ 0x110 f19
+ 0x120 f20
+ 0x130 f21
+ 0x130 f22
+ 0x140 f23
+ 0x150 f24
+ 0x160 f25
+ 0x170 f26
+ 0x180 f27
+ 0x190 f28
+ 0x1a0 f29
+ 0x1b0 f30
+ 0x1c0 f31 */
#ifndef __KERNEL__
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index 1c6647b113b0..60b43a5d72f4 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -138,7 +138,7 @@ ia64_brk (unsigned long brk)
goto out;
/* Check against rlimit.. */
- rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
+ rlim = rlim_get_cur(RLIMIT_DATA);
if (rlim < RLIM_INFINITY && brk - mm->start_data > rlim)
goto out;
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 1857766a63c1..0995019861f7 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -91,7 +91,7 @@ dma_mark_clean(void *addr, size_t size)
inline void
ia64_set_rbs_bot (void)
{
- unsigned long stack_size = current->signal->rlim[RLIMIT_STACK].rlim_max & -16;
+ unsigned long stack_size = rlim_get_max(RLIMIT_STACK) & -16;
if (stack_size > MAX_USER_STACK_SIZE)
stack_size = MAX_USER_STACK_SIZE;
diff --git a/arch/ia64/oprofile/perfmon.c b/arch/ia64/oprofile/perfmon.c
index e0057ff964af..a118ba3c9682 100644
--- a/arch/ia64/oprofile/perfmon.c
+++ b/arch/ia64/oprofile/perfmon.c
@@ -24,7 +24,7 @@ perfmon_handler(struct pfm_context *ctx,
struct pt_regs *regs;
struct pfm_ovfl_arg *arg;
- regs = data;
+ regs = data;
arg = &ctx->ovfl_arg;
arg->ovfl_ctrl = PFM_OVFL_CTRL_RESET;
diff --git a/arch/powerpc/mm/mmap_64.c b/arch/powerpc/mm/mmap_64.c
index 0d957a4c70fe..8df129913761 100644
--- a/arch/powerpc/mm/mmap_64.c
+++ b/arch/powerpc/mm/mmap_64.c
@@ -47,7 +47,7 @@ static inline int mmap_is_legacy(void)
if (current->personality & ADDR_COMPAT_LAYOUT)
return 1;
- if (current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY)
+ if (rlim_get_cur(RLIMIT_STACK) == RLIM_INFINITY)
return 1;
return sysctl_legacy_va_layout;
@@ -77,7 +77,7 @@ static unsigned long mmap_rnd(void)
static inline unsigned long mmap_base(void)
{
- unsigned long gap = current->signal->rlim[RLIMIT_STACK].rlim_cur;
+ unsigned long gap = rlim_get_cur(RLIMIT_STACK);
if (gap < MIN_GAP)
gap = MIN_GAP;
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c
index c4d4a19235e0..4ef1c9277d9e 100644
--- a/arch/powerpc/platforms/cell/spufs/coredump.c
+++ b/arch/powerpc/platforms/cell/spufs/coredump.c
@@ -54,7 +54,7 @@ static ssize_t do_coredump_read(int num, struct spu_context *ctx, void *buffer,
*/
static int spufs_dump_write(struct file *file, const void *addr, int nr, loff_t *foffset)
{
- unsigned long limit = current->signal->rlim[RLIMIT_CORE].rlim_cur;
+ unsigned long limit = rlim_get_cur(RLIMIT_CORE);
ssize_t written;
if (*foffset + nr > limit)
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index f4558ccf02b9..0acf3aa51804 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -40,7 +40,7 @@
static inline unsigned long mmap_base(void)
{
- unsigned long gap = current->signal->rlim[RLIMIT_STACK].rlim_cur;
+ unsigned long gap = rlim_get_cur(RLIMIT_STACK);
if (gap < MIN_GAP)
gap = MIN_GAP;
@@ -61,7 +61,7 @@ static inline int mmap_is_legacy(void)
#endif
return sysctl_legacy_va_layout ||
(current->personality & ADDR_COMPAT_LAYOUT) ||
- current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY;
+ rlim_get_cur(RLIMIT_STACK) == RLIM_INFINITY;
}
#ifndef CONFIG_64BIT
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index e2d102447a43..d53870ca6107 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -361,6 +361,7 @@ EXPORT_SYMBOL(get_fb_unmapped_area);
void arch_pick_mmap_layout(struct mm_struct *mm)
{
unsigned long random_factor = 0UL;
+ unsigned long gap;
if (current->flags & PF_RANDOMIZE) {
random_factor = get_random_int();
@@ -375,9 +376,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
* Fall back to the standard layout if the personality
* bit is set, or if the expected stack growth is unlimited:
*/
+ gap = rlim_get_cur(RLIMIT_STACK);
if (!test_thread_flag(TIF_32BIT) ||
(current->personality & ADDR_COMPAT_LAYOUT) ||
- current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY ||
+ gap == RLIM_INFINITY ||
sysctl_legacy_va_layout) {
mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;
mm->get_unmapped_area = arch_get_unmapped_area;
@@ -385,9 +387,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
} else {
/* We know it's 32-bit */
unsigned long task_size = STACK_TOP32;
- unsigned long gap;
- gap = current->signal->rlim[RLIMIT_STACK].rlim_cur;
if (gap < 128 * 1024 * 1024)
gap = 128 * 1024 * 1024;
if (gap > (task_size / 6 * 5))
diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index 2a4d073d2cf1..d311ec58fe0a 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -297,7 +297,7 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
* size limits imposed on them by creating programs with large
* arrays in the data or bss.
*/
- rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
+ rlim = rlim_get_cur(RLIMIT_DATA);
if (rlim >= RLIM_INFINITY)
rlim = ~0;
if (ex.a_data + ex.a_bss > rlim)
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 581b0568fe19..c61ced29d566 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -841,4 +841,6 @@ ia32_sys_call_table:
.quad compat_sys_pwritev
.quad compat_sys_rt_tgsigqueueinfo /* 335 */
.quad sys_perf_event_open
+ .quad compat_sys_getprlimit
+ .quad compat_sys_setprlimit
ia32_syscall_end:
diff --git a/arch/x86/include/asm/bfd_32.h b/arch/x86/include/asm/bfd_32.h
index 2249f529ea93..6784ef7e231a 100644
--- a/arch/x86/include/asm/bfd_32.h
+++ b/arch/x86/include/asm/bfd_32.h
@@ -182,7 +182,7 @@ extern void bfd_fprintf_vma (bfd *, void *, bfd_vma);
typedef unsigned int flagword; /* 32 bits of flags */
typedef unsigned char bfd_byte;
-
+
/* File formats. */
typedef enum bfd_format
@@ -258,7 +258,7 @@ bfd_format;
/* This BFD has been created by the linker and doesn't correspond
to any input file. */
#define BFD_LINKER_CREATED 0x2000
-
+
/* Symbols and relocation. */
/* A count of carsyms (canonical archive symbols). */
@@ -303,7 +303,7 @@ struct orl /* Output ranlib. */
} u; /* bfd* or file position. */
int namidx; /* Index into string table. */
};
-
+
/* Linenumber stuff. */
typedef struct lineno_cache_entry
{
@@ -315,7 +315,7 @@ typedef struct lineno_cache_entry
} u;
}
alent;
-
+
/* Object and core file sections. */
#define align_power(addr, align) \
@@ -347,7 +347,7 @@ typedef struct bfd_section *sec_ptr;
/ bfd_octets_per_byte (bfd))
typedef struct stat stat_type;
-
+
typedef enum bfd_print_symbol
{
bfd_print_symbol_name,
@@ -371,7 +371,7 @@ typedef struct _symbol_info
/* Get the name of a stabs type code. */
extern const char *bfd_get_stab_name (int);
-
+
/* Hash table routines. There is no way to free up a hash table. */
/* An element in the hash table. Most uses will actually use a larger
@@ -582,7 +582,7 @@ void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
extern bfd_boolean bfd_section_already_linked_table_init (void);
extern void bfd_section_already_linked_table_free (void);
-
+
/* Externally visible ECOFF routines. */
#if defined(__STDC__) || defined(ALMOST_STDC)
diff --git a/arch/x86/include/asm/bfd_64.h b/arch/x86/include/asm/bfd_64.h
index 55432f2362b4..8fc9e6e1834b 100644
--- a/arch/x86/include/asm/bfd_64.h
+++ b/arch/x86/include/asm/bfd_64.h
@@ -178,7 +178,7 @@ extern void bfd_fprintf_vma (bfd *, void *, bfd_vma);
typedef unsigned int flagword; /* 32 bits of flags */
typedef unsigned char bfd_byte;
-
+
/* File formats. */
typedef enum bfd_format
@@ -254,7 +254,7 @@ bfd_format;
/* This BFD has been created by the linker and doesn't correspond
to any input file. */
#define BFD_LINKER_CREATED 0x2000
-
+
/* Symbols and relocation. */
/* A count of carsyms (canonical archive symbols). */
@@ -299,7 +299,7 @@ struct orl /* Output ranlib. */
} u; /* bfd* or file position. */
int namidx; /* Index into string table. */
};
-
+
/* Linenumber stuff. */
typedef struct lineno_cache_entry
{
@@ -311,7 +311,7 @@ typedef struct lineno_cache_entry
} u;
}
alent;
-
+
/* Object and core file sections. */
#define align_power(addr, align) \
@@ -343,7 +343,7 @@ typedef struct bfd_section *sec_ptr;
/ bfd_octets_per_byte (bfd))
typedef struct stat stat_type;
-
+
typedef enum bfd_print_symbol
{
bfd_print_symbol_name,
@@ -367,7 +367,7 @@ typedef struct _symbol_info
/* Get the name of a stabs type code. */
extern const char *bfd_get_stab_name (int);
-
+
/* Hash table routines. There is no way to free up a hash table. */
/* An element in the hash table. Most uses will actually use a larger
@@ -578,7 +578,7 @@ void bfd_put_bits (bfd_uint64_t, void *, int, bfd_boolean);
extern bfd_boolean bfd_section_already_linked_table_init (void);
extern void bfd_section_already_linked_table_free (void);
-
+
/* Externally visible ECOFF routines. */
#if defined(__STDC__) || defined(ALMOST_STDC)
diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index 6fb3c209a7e3..06dbb342c4ea 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/arch/x86/include/asm/unistd_32.h
@@ -342,10 +342,12 @@
#define __NR_pwritev 334
#define __NR_rt_tgsigqueueinfo 335
#define __NR_perf_event_open 336
+#define __NR_getprlimit 337
+#define __NR_setprlimit 338
#ifdef __KERNEL__
-#define NR_syscalls 337
+#define NR_syscalls 339
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index 8d3ad0adbc68..48ea56c457ed 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -661,6 +661,10 @@ __SYSCALL(__NR_pwritev, sys_pwritev)
__SYSCALL(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo)
#define __NR_perf_event_open 298
__SYSCALL(__NR_perf_event_open, sys_perf_event_open)
+#define __NR_getprlimit 299
+__SYSCALL(__NR_getprlimit, sys_getprlimit)
+#define __NR_setprlimit 300
+__SYSCALL(__NR_setprlimit, sys_setprlimit)
#ifndef __NO_STUBS
#define __ARCH_WANT_OLD_READDIR
diff --git a/arch/x86/kdb/kdba_bt.c b/arch/x86/kdb/kdba_bt.c
index 136268ce0089..b203a4f5660b 100644
--- a/arch/x86/kdb/kdba_bt.c
+++ b/arch/x86/kdb/kdba_bt.c
@@ -5523,7 +5523,7 @@ kdba_bt_stack(kdb_machreg_t addr, int argcount, const struct task_struct *p,
}
kdbnearsym(rip, &symtab);
if (old_style) {
- if (__kernel_text_address(rip) && !suppress) {
+ if (__kernel_text_address(rip) && !suppress) {
bt_print_one(rip, rsp, &ar, &symtab, 0);
++count;
}
diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S
index 0157cd26d7cc..2dd45cd75746 100644
--- a/arch/x86/kernel/syscall_table_32.S
+++ b/arch/x86/kernel/syscall_table_32.S
@@ -336,3 +336,5 @@ ENTRY(sys_call_table)
.long sys_pwritev
.long sys_rt_tgsigqueueinfo /* 335 */
.long sys_perf_event_open
+ .long sys_getprlimit
+ .long sys_setprlimit
diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c
index c8191defc38a..d6e0e3611319 100644
--- a/arch/x86/mm/mmap.c
+++ b/arch/x86/mm/mmap.c
@@ -71,7 +71,8 @@ static int mmap_is_legacy(void)
if (current->personality & ADDR_COMPAT_LAYOUT)
return 1;
- if (current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY)
+ if (rlim_get_cur(RLIMIT_STACK)
+ == RLIM_INFINITY)
return 1;
return sysctl_legacy_va_layout;
@@ -96,7 +97,8 @@ static unsigned long mmap_rnd(void)
static unsigned long mmap_base(void)
{
- unsigned long gap = current->signal->rlim[RLIMIT_STACK].rlim_cur;
+ unsigned long gap =
+ rlim_get_cur(RLIMIT_STACK);
if (gap < MIN_GAP)
gap = MIN_GAP;
diff --git a/drivers/char/crasher.c b/drivers/char/crasher.c
index b746b19d5bd8..3705bba89cfc 100644
--- a/drivers/char/crasher.c
+++ b/drivers/char/crasher.c
@@ -53,20 +53,20 @@ MODULE_LICENSE("GPL");
static int sizes[] = { 32, 64, 128, 192, 256, 1024, 2048, 4096 };
struct mem_buf {
- char *buf;
- int size;
+ char *buf;
+ int size;
};
static unsigned long crasher_random(void)
{
- rand_seed = rand_seed*69069L+1;
- return rand_seed^jiffies;
+ rand_seed = rand_seed*69069L+1;
+ return rand_seed^jiffies;
}
void crasher_srandom(unsigned long entropy)
{
- rand_seed ^= entropy;
- crasher_random();
+ rand_seed ^= entropy;
+ crasher_random();
}
static char *mem_alloc(int size) {
@@ -84,7 +84,7 @@ static void mem_check(char *p, int size) {
if (!p)
return;
for (i = 0 ; i < size; i++) {
- if (p[i] != ((i % 119) + 8)) {
+ if (p[i] != ((i % 119) + 8)) {
printk(KERN_CRIT "verify error at %lX offset %d "
" wanted %d found %d size %d\n",
(unsigned long)(p + i), i, (i % 119) + 8,
diff --git a/drivers/hid/usbhid/usbkbd.c b/drivers/hid/usbhid/usbkbd.c
index fa447b7c6425..b4a352229736 100644
--- a/drivers/hid/usbhid/usbkbd.c
+++ b/drivers/hid/usbhid/usbkbd.c
@@ -343,8 +343,8 @@ static void usb_kbd_disconnect(struct usb_interface *intf)
usb_set_intfdata(intf, NULL);
if (kbd) {
#ifdef CONFIG_KDB_USB
- /* Detach the keyboard from kdb */
- kdb_usb_keyboard_detach(kbd->irq);
+ /* Detach the keyboard from kdb */
+ kdb_usb_keyboard_detach(kbd->irq);
#endif /* CONFIG_KDB_USB */
usb_kill_urb(kbd->irq);
input_unregister_device(kbd->dev);
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 6f7c096abf13..2a8338abf175 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -136,7 +136,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
down_write(&current->mm->mmap_sem);
locked = npages + current->mm->locked_vm;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT;
+ lock_limit = rlim_get_cur(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
if ((locked > lock_limit) && !capable(CAP_IPC_LOCK)) {
ret = -ENOMEM;
diff --git a/drivers/infiniband/hw/ipath/ipath_user_pages.c b/drivers/infiniband/hw/ipath/ipath_user_pages.c
index 82878e348627..431ec61b0060 100644
--- a/drivers/infiniband/hw/ipath/ipath_user_pages.c
+++ b/drivers/infiniband/hw/ipath/ipath_user_pages.c
@@ -59,8 +59,7 @@ static int __get_user_pages(unsigned long start_page, size_t num_pages,
size_t got;
int ret;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >>
- PAGE_SHIFT;
+ lock_limit = rlim_get_cur(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
if (num_pages > lock_limit) {
ret = -ENOMEM;
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 08cddb6ff740..645aec5ade08 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -85,6 +85,10 @@ MODULE_FIRMWARE(FW_MIPS_FILE_09);
MODULE_FIRMWARE(FW_RV2P_FILE_09);
MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
+static int entropy = 0;
+module_param(entropy, int, 0);
+MODULE_PARM_DESC(entropy, "Allow bnx2 to populate the /dev/random entropy pool");
+
static int disable_msi = 0;
module_param(disable_msi, int, 0);
@@ -6060,6 +6064,9 @@ bnx2_request_irq(struct bnx2 *bp)
else
flags = IRQF_SHARED;
+ if (entropy)
+ flags |= IRQF_SAMPLE_RANDOM;
+
for (i = 0; i < bp->irq_nvecs; i++) {
irq = &bp->irq_tbl[i];
rc = request_irq(irq->vector, irq->handler, flags, irq->name,
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index bcd192ca47b0..8ce143f3373e 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -213,6 +213,10 @@ static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
+static int entropy = 0;
+module_param(entropy, int, 0);
+MODULE_PARM_DESC(entropy, "Allow e1000 to populate the /dev/random entropy pool");
+
/**
* e1000_init_module - Driver Registration Routine
*
@@ -262,6 +266,9 @@ static int e1000_request_irq(struct e1000_adapter *adapter)
int irq_flags = IRQF_SHARED;
int err;
+ if (entropy)
+ irq_flags |= IRQF_SAMPLE_RANDOM;
+
err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
netdev);
if (err) {
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 189dfa2d6c76..43c69797fe94 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -457,6 +457,7 @@ extern void e1000e_set_interrupt_capability(struct e1000_adapter *adapter);
extern void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter);
extern unsigned int copybreak;
+extern int entropy;
extern char *e1000e_get_hw_dev_name(struct e1000_hw *hw);
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 0687c6aa4e46..f39fdf4576ef 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -1481,8 +1481,8 @@ static int e1000_request_msix(struct e1000_adapter *adapter)
else
memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
err = request_irq(adapter->msix_entries[vector].vector,
- &e1000_intr_msix_rx, 0, adapter->rx_ring->name,
- netdev);
+ &e1000_intr_msix_rx, entropy ? IRQF_SAMPLE_RANDOM : 0,
+ adapter->rx_ring->name, netdev);
if (err)
goto out;
adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
@@ -1523,6 +1523,7 @@ static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
int err;
+ int irq_flags = 0;
if (adapter->msix_entries) {
err = e1000_request_msix(adapter);
@@ -1534,7 +1535,8 @@ static int e1000_request_irq(struct e1000_adapter *adapter)
e1000e_set_interrupt_capability(adapter);
}
if (adapter->flags & FLAG_MSI_ENABLED) {
- err = request_irq(adapter->pdev->irq, &e1000_intr_msi, 0,
+ err = request_irq(adapter->pdev->irq, &e1000_intr_msi,
+ entropy ? IRQF_SAMPLE_RANDOM : 0,
netdev->name, netdev);
if (!err)
return err;
@@ -1544,7 +1546,9 @@ static int e1000_request_irq(struct e1000_adapter *adapter)
adapter->int_mode = E1000E_INT_MODE_LEGACY;
}
- err = request_irq(adapter->pdev->irq, &e1000_intr, IRQF_SHARED,
+ if (entropy)
+ irq_flags |= IRQF_SAMPLE_RANDOM;
+ err = request_irq(adapter->pdev->irq, &e1000_intr, irq_flags,
netdev->name, netdev);
if (err)
e_err("Unable to allocate interrupt, Error: %d\n", err);
diff --git a/drivers/net/e1000e/param.c b/drivers/net/e1000e/param.c
index 1342e0b1815c..6ca33762c7a8 100644
--- a/drivers/net/e1000e/param.c
+++ b/drivers/net/e1000e/param.c
@@ -31,6 +31,10 @@
#include "e1000.h"
+int entropy = 0;
+module_param(entropy, int, 0);
+MODULE_PARM_DESC(entropy, "Allow e1000e to populate the /dev/random entropy pool");
+
/*
* This is the only thing that needs to be changed to adjust the
* maximum number of ports that the driver can manage.
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index f8f5772557ce..c6d97ebdfb80 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -81,6 +81,7 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
break;
case E1000_DEV_ID_82576:
case E1000_DEV_ID_82576_NS:
+ case E1000_DEV_ID_82576_NS_SERDES:
case E1000_DEV_ID_82576_FIBER:
case E1000_DEV_ID_82576_SERDES:
case E1000_DEV_ID_82576_QUAD_COPPER:
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 119869b1124d..1a23aeb2d404 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -42,6 +42,7 @@ struct e1000_hw;
#define E1000_DEV_ID_82576_SERDES 0x10E7
#define E1000_DEV_ID_82576_QUAD_COPPER 0x10E8
#define E1000_DEV_ID_82576_NS 0x150A
+#define E1000_DEV_ID_82576_NS_SERDES 0x1518
#define E1000_DEV_ID_82576_SERDES_QUAD 0x150D
#define E1000_DEV_ID_82575EB_COPPER 0x10A7
#define E1000_DEV_ID_82575EB_FIBER_SERDES 0x10A9
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 714c3a4a44ef..35ec7c5e827f 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -60,9 +60,14 @@ static const struct e1000_info *igb_info_tbl[] = {
[board_82575] = &e1000_82575_info,
};
+static int entropy = 0;
+module_param(entropy, int, 0);
+MODULE_PARM_DESC(entropy, "Allow igb to populate the /dev/random entropy pool");
+
static struct pci_device_id igb_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS), board_82575 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS_SERDES), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES_QUAD), board_82575 },
@@ -646,8 +651,8 @@ static int igb_request_msix(struct igb_adapter *adapter)
else
memcpy(ring->name, netdev->name, IFNAMSIZ);
err = request_irq(adapter->msix_entries[vector].vector,
- &igb_msix_rx, 0, ring->name,
- &(adapter->rx_ring[i]));
+ &igb_msix_rx, entropy ? IRQF_SAMPLE_RANDOM : 0,
+ ring->name, &(adapter->rx_ring[i]));
if (err)
goto out;
ring->itr_register = E1000_EITR(0) + (vector << 2);
@@ -749,6 +754,10 @@ static int igb_request_irq(struct igb_adapter *adapter)
struct net_device *netdev = adapter->netdev;
struct e1000_hw *hw = &adapter->hw;
int err = 0;
+ int irq_flags = 0;
+
+ if (entropy)
+ irq_flags = IRQF_SAMPLE_RANDOM;
if (adapter->msix_entries) {
err = igb_request_msix(adapter);
@@ -777,7 +786,7 @@ static int igb_request_irq(struct igb_adapter *adapter)
}
if (adapter->flags & IGB_FLAG_HAS_MSI) {
- err = request_irq(adapter->pdev->irq, &igb_intr_msi, 0,
+ err = request_irq(adapter->pdev->irq, &igb_intr_msi, irq_flags,
netdev->name, netdev);
if (!err)
goto request_done;
@@ -786,7 +795,8 @@ static int igb_request_irq(struct igb_adapter *adapter)
adapter->flags &= ~IGB_FLAG_HAS_MSI;
}
- err = request_irq(adapter->pdev->irq, &igb_intr, IRQF_SHARED,
+ irq_flags |= IRQF_SHARED;
+ err = request_irq(adapter->pdev->irq, &igb_intr, irq_flags,
netdev->name, netdev);
if (err)
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index a5036f7c1923..322bb2277871 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -54,6 +54,11 @@ static const char ixgbe_driver_string[] =
const char ixgbe_driver_version[] = DRV_VERSION;
static char ixgbe_copyright[] = "Copyright (c) 1999-2009 Intel Corporation.";
+static int entropy = 0;
+module_param(entropy, int, 0);
+MODULE_PARM_DESC(entropy, "Allow ixgbe to populate the /dev/random entropy pool");
+
+
static const struct ixgbe_info *ixgbe_info_tbl[] = {
[board_82598] = &ixgbe_82598_info,
[board_82599] = &ixgbe_82599_info,
@@ -1627,6 +1632,7 @@ static int ixgbe_request_msix_irqs(struct ixgbe_adapter *adapter)
irqreturn_t (*handler)(int, void *);
int i, vector, q_vectors, err;
int ri=0, ti=0;
+ int irq_flags;
/* Decrement for Other and TCP Timer vectors */
q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
@@ -1642,20 +1648,26 @@ static int ixgbe_request_msix_irqs(struct ixgbe_adapter *adapter)
for (vector = 0; vector < q_vectors; vector++) {
handler = SET_HANDLER(adapter->q_vector[vector]);
+ irq_flags = 0;
if(handler == &ixgbe_msix_clean_rx) {
sprintf(adapter->name[vector], "%s-%s-%d",
netdev->name, "rx", ri++);
+ if (entropy)
+ irq_flags = IRQF_SAMPLE_RANDOM;
}
else if(handler == &ixgbe_msix_clean_tx) {
sprintf(adapter->name[vector], "%s-%s-%d",
netdev->name, "tx", ti++);
}
- else
+ else {
sprintf(adapter->name[vector], "%s-%s-%d",
netdev->name, "TxRx", vector);
+ if (entropy)
+ irq_flags = IRQF_SAMPLE_RANDOM;
+ }
err = request_irq(adapter->msix_entries[vector].vector,
- handler, 0, adapter->name[vector],
+ handler, irq_flags, adapter->name[vector],
adapter->q_vector[vector]);
if (err) {
DPRINTK(PROBE, ERR,
@@ -1834,14 +1846,19 @@ static int ixgbe_request_irq(struct ixgbe_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
int err;
+ int irq_flags = 0;
+
+ if (entropy)
+ irq_flags = IRQF_SAMPLE_RANDOM;
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
err = ixgbe_request_msix_irqs(adapter);
} else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
- err = request_irq(adapter->pdev->irq, &ixgbe_intr, 0,
+ err = request_irq(adapter->pdev->irq, &ixgbe_intr, irq_flags,
netdev->name, netdev);
} else {
- err = request_irq(adapter->pdev->irq, &ixgbe_intr, IRQF_SHARED,
+ irq_flags |= IRQF_SHARED;
+ err = request_irq(adapter->pdev->irq, &ixgbe_intr, irq_flags,
netdev->name, netdev);
}
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index f81e53222230..f63c96a4ecb4 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/phy.h>
+#include <linux/brcmphy.h>
#define PHY_ID_BCM50610 0x0143bd60
#define PHY_ID_BCM50610M 0x0143bd70
@@ -24,6 +25,9 @@
#define BRCM_PHY_MODEL(phydev) \
((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask)
+#define BRCM_PHY_REV(phydev) \
+ ((phydev)->drv->phy_id & ~((phydev)->drv->phy_id_mask))
+
#define MII_BCM54XX_ECR 0x10 /* BCM54xx extended control register */
#define MII_BCM54XX_ECR_IM 0x1000 /* Interrupt mask */
@@ -94,22 +98,35 @@
#define BCM_LED_SRC_OFF 0xe /* Tied high */
#define BCM_LED_SRC_ON 0xf /* Tied low */
+
/*
* BCM5482: Shadow registers
* Shadow values go into bits [14:10] of register 0x1c to select a shadow
* register to access.
*/
+/* 00101: Spare Control Register 3 */
+#define BCM54XX_SHD_SCR3 0x05
+#define BCM54XX_SHD_SCR3_DEF_CLK125 0x0001
+#define BCM54XX_SHD_SCR3_DLLAPD_DIS 0x0002
+#define BCM54XX_SHD_SCR3_TRDDAPD 0x0004
+
+/* 01010: Auto Power-Down */
+#define BCM54XX_SHD_APD 0x0a
+#define BCM54XX_SHD_APD_EN 0x0020
+
#define BCM5482_SHD_LEDS1 0x0d /* 01101: LED Selector 1 */
/* LED3 / ~LINKSPD[2] selector */
#define BCM5482_SHD_LEDS1_LED3(src) ((src & 0xf) << 4)
/* LED1 / ~LINKSPD[1] selector */
#define BCM5482_SHD_LEDS1_LED1(src) ((src & 0xf) << 0)
+#define BCM54XX_SHD_RGMII_MODE 0x0b /* 01011: RGMII Mode Selector */
#define BCM5482_SHD_SSD 0x14 /* 10100: Secondary SerDes control */
#define BCM5482_SHD_SSD_LEDM 0x0008 /* SSD LED Mode enable */
#define BCM5482_SHD_SSD_EN 0x0001 /* SSD enable */
#define BCM5482_SHD_MODE 0x1f /* 11111: Mode Control Register */
#define BCM5482_SHD_MODE_1000BX 0x0001 /* Enable 1000BASE-X registers */
+
/*
* EXPANSION SHADOW ACCESS REGISTERS. (PHY REG 0x15, 0x16, and 0x17)
*/
@@ -138,16 +155,6 @@
#define BCM5482_SSD_SGMII_SLAVE_EN 0x0002 /* Slave mode enable */
#define BCM5482_SSD_SGMII_SLAVE_AD 0x0001 /* Slave auto-detection */
-/*
- * Device flags for PHYs that can be configured for different operating
- * modes.
- */
-#define PHY_BCM_FLAGS_VALID 0x80000000
-#define PHY_BCM_FLAGS_INTF_XAUI 0x00000020
-#define PHY_BCM_FLAGS_INTF_SGMII 0x00000010
-#define PHY_BCM_FLAGS_MODE_1000BX 0x00000002
-#define PHY_BCM_FLAGS_MODE_COPPER 0x00000001
-
/*****************************************************************************/
/* Fast Ethernet Transceiver definitions. */
@@ -237,53 +244,145 @@ static int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val)
return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val);
}
+/* Needs SMDSP clock enabled via bcm54xx_phydsp_config() */
static int bcm50610_a0_workaround(struct phy_device *phydev)
{
int err;
- err = bcm54xx_auxctl_write(phydev,
- MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
- MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
- MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
- if (err < 0)
- return err;
-
- err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08,
- MII_BCM54XX_EXP_EXP08_RJCT_2MHZ |
- MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE);
- if (err < 0)
- goto error;
-
err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH0,
MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
if (err < 0)
- goto error;
+ return err;
err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH3,
MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
if (err < 0)
- goto error;
+ return err;
err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75,
MII_BCM54XX_EXP_EXP75_VDACCTRL);
if (err < 0)
- goto error;
+ return err;
err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP96,
MII_BCM54XX_EXP_EXP96_MYST);
if (err < 0)
- goto error;
+ return err;
err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP97,
MII_BCM54XX_EXP_EXP97_MYST);
+ return err;
+}
+
+static int bcm54xx_phydsp_config(struct phy_device *phydev)
+{
+ int err, err2;
+
+ /* Enable the SMDSP clock */
+ err = bcm54xx_auxctl_write(phydev,
+ MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
+ MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
+ MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
+ if (err < 0)
+ return err;
+
+ if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
+ BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) {
+ /* Clear bit 9 to fix a phy interop issue. */
+ err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08,
+ MII_BCM54XX_EXP_EXP08_RJCT_2MHZ);
+ if (err < 0)
+ goto error;
+
+ if (phydev->drv->phy_id == PHY_ID_BCM50610) {
+ err = bcm50610_a0_workaround(phydev);
+ if (err < 0)
+ goto error;
+ }
+ }
+
+ if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
+ int val;
+
+ val = bcm54xx_exp_read(phydev, MII_BCM54XX_EXP_EXP75);
+ if (val < 0)
+ goto error;
+
+ val |= MII_BCM54XX_EXP_EXP75_CM_OSC;
+ err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, val);
+ }
+
error:
- bcm54xx_auxctl_write(phydev,
- MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
- MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
+ /* Disable the SMDSP clock */
+ err2 = bcm54xx_auxctl_write(phydev,
+ MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
+ MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
- return err;
+ /* Return the first error reported. */
+ return err ? err : err2;
+}
+
+static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
+{
+ u32 val, orig;
+ bool clk125en = true;
+
+ /* Abort if we are using an untested phy. */
+ if (BRCM_PHY_MODEL(phydev) != PHY_ID_BCM57780 ||
+ BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610 ||
+ BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610M)
+ return;
+
+ val = bcm54xx_shadow_read(phydev, BCM54XX_SHD_SCR3);
+ if (val < 0)
+ return;
+
+ orig = val;
+
+ if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
+ BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
+ BRCM_PHY_REV(phydev) >= 0x3) {
+ /*
+ * Here, bit 0 _disables_ CLK125 when set.
+ * This bit is set by default.
+ */
+ clk125en = false;
+ } else {
+ if (phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) {
+ /* Here, bit 0 _enables_ CLK125 when set */
+ val &= ~BCM54XX_SHD_SCR3_DEF_CLK125;
+ clk125en = false;
+ }
+ }
+
+ if (clk125en == false ||
+ (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
+ val &= ~BCM54XX_SHD_SCR3_DLLAPD_DIS;
+ else
+ val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;
+
+ if (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY)
+ val |= BCM54XX_SHD_SCR3_TRDDAPD;
+
+ if (orig != val)
+ bcm54xx_shadow_write(phydev, BCM54XX_SHD_SCR3, val);
+
+ val = bcm54xx_shadow_read(phydev, BCM54XX_SHD_APD);
+ if (val < 0)
+ return;
+
+ orig = val;
+
+ if (clk125en == false ||
+ (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
+ val |= BCM54XX_SHD_APD_EN;
+ else
+ val &= ~BCM54XX_SHD_APD_EN;
+
+ if (orig != val)
+ bcm54xx_shadow_write(phydev, BCM54XX_SHD_APD, val);
}
static int bcm54xx_config_init(struct phy_device *phydev)
@@ -308,38 +407,17 @@ static int bcm54xx_config_init(struct phy_device *phydev)
if (err < 0)
return err;
- if (phydev->drv->phy_id == PHY_ID_BCM50610) {
- err = bcm50610_a0_workaround(phydev);
- if (err < 0)
- return err;
- }
-
- if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
- int err2;
-
- err = bcm54xx_auxctl_write(phydev,
- MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
- MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
- MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
- if (err < 0)
- return err;
-
- reg = bcm54xx_exp_read(phydev, MII_BCM54XX_EXP_EXP75);
- if (reg < 0)
- goto error;
+ if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
+ BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
+ (phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
+ bcm54xx_shadow_write(phydev, BCM54XX_SHD_RGMII_MODE, 0);
- reg |= MII_BCM54XX_EXP_EXP75_CM_OSC;
- err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, reg);
+ if ((phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) ||
+ (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) ||
+ (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
+ bcm54xx_adjust_rxrefclk(phydev);
-error:
- err2 = bcm54xx_auxctl_write(phydev,
- MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
- MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
- if (err)
- return err;
- if (err2)
- return err2;
- }
+ bcm54xx_phydsp_config(phydev);
return 0;
}
@@ -564,9 +642,11 @@ static int brcm_fet_config_init(struct phy_device *phydev)
if (err < 0)
goto done;
- /* Enable auto power down */
- err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
- MII_BRCM_FET_SHDW_AS2_APDE);
+ if (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE) {
+ /* Enable auto power down */
+ err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
+ MII_BRCM_FET_SHDW_AS2_APDE);
+ }
done:
/* Disable shadow register access */
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e6963abf9c5a..47551da8129c 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -15,7 +15,6 @@
* notice is accompanying it.
*/
-
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
@@ -66,10 +65,14 @@
#include "tg3.h"
+static int entropy = 0;
+module_param(entropy, int, 0);
+MODULE_PARM_DESC(entropy, "Allow tg3 to populate the /dev/random entropy pool");
+
#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "3.102"
-#define DRV_MODULE_RELDATE "September 1, 2009"
+#define DRV_MODULE_VERSION "3.104"
+#define DRV_MODULE_RELDATE "November 13, 2009"
#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
@@ -137,6 +140,12 @@
#define TG3_RX_STD_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_STD_DMA_SZ)
#define TG3_RX_JMB_MAP_SZ TG3_RX_DMA_TO_MAP_SZ(TG3_RX_JMB_DMA_SZ)
+#define TG3_RX_STD_BUFF_RING_SIZE \
+ (sizeof(struct ring_info) * TG3_RX_RING_SIZE)
+
+#define TG3_RX_JMB_BUFF_RING_SIZE \
+ (sizeof(struct ring_info) * TG3_RX_JUMBO_RING_SIZE)
+
/* minimum number of free TX descriptors required to wake up TX process */
#define TG3_TX_WAKEUP_THRESH(tnapi) ((tnapi)->tx_pending / 4)
@@ -235,6 +244,9 @@ static struct pci_device_id tg3_pci_tbl[] = {
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57760)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57790)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_57788)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5717)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5718)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, TG3PCI_DEVICE_TIGON3_5724)},
{PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
{PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
{PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
@@ -396,7 +408,7 @@ static void tg3_write_indirect_mbox(struct tg3 *tp, u32 off, u32 val)
TG3_64BIT_REG_LOW, val);
return;
}
- if (off == (MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW)) {
+ if (off == TG3_RX_STD_PROD_IDX_REG) {
pci_write_config_dword(tp->pdev, TG3PCI_STD_RING_PROD_IDX +
TG3_64BIT_REG_LOW, val);
return;
@@ -937,9 +949,10 @@ static void tg3_mdio_config_5785(struct tg3 *tp)
u32 val;
struct phy_device *phydev;
- phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+ phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
case TG3_PHY_ID_BCM50610:
+ case TG3_PHY_ID_BCM50610M:
val = MAC_PHYCFG2_50610_LED_MODES;
break;
case TG3_PHY_ID_BCMAC131:
@@ -1031,7 +1044,7 @@ static void tg3_mdio_start(struct tg3 *tp)
if (is_serdes)
tp->phy_addr += 7;
} else
- tp->phy_addr = PHY_ADDR;
+ tp->phy_addr = TG3_PHY_MII_ADDR;
if ((tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) &&
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
@@ -1062,7 +1075,7 @@ static int tg3_mdio_init(struct tg3 *tp)
tp->mdio_bus->read = &tg3_mdio_read;
tp->mdio_bus->write = &tg3_mdio_write;
tp->mdio_bus->reset = &tg3_mdio_reset;
- tp->mdio_bus->phy_mask = ~(1 << PHY_ADDR);
+ tp->mdio_bus->phy_mask = ~(1 << TG3_PHY_MII_ADDR);
tp->mdio_bus->irq = &tp->mdio_irq[0];
for (i = 0; i < PHY_MAX_ADDR; i++)
@@ -1084,7 +1097,7 @@ static int tg3_mdio_init(struct tg3 *tp)
return i;
}
- phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+ phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
if (!phydev || !phydev->drv) {
printk(KERN_WARNING "%s: No PHY devices\n", tp->dev->name);
@@ -1096,8 +1109,14 @@ static int tg3_mdio_init(struct tg3 *tp)
switch (phydev->drv->phy_id & phydev->drv->phy_id_mask) {
case TG3_PHY_ID_BCM57780:
phydev->interface = PHY_INTERFACE_MODE_GMII;
+ phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
break;
case TG3_PHY_ID_BCM50610:
+ case TG3_PHY_ID_BCM50610M:
+ phydev->dev_flags |= PHY_BRCM_CLEAR_RGMII_MODE |
+ PHY_BRCM_RX_REFCLK_UNUSED |
+ PHY_BRCM_DIS_TXCRXC_NOENRGY |
+ PHY_BRCM_AUTO_PWRDWN_ENABLE;
if (tp->tg3_flags3 & TG3_FLG3_RGMII_STD_IBND_DISABLE)
phydev->dev_flags |= PHY_BRCM_STD_IBND_DISABLE;
if (tp->tg3_flags3 & TG3_FLG3_RGMII_EXT_IBND_RX_EN)
@@ -1111,6 +1130,7 @@ static int tg3_mdio_init(struct tg3 *tp)
case TG3_PHY_ID_RTL8201E:
case TG3_PHY_ID_BCMAC131:
phydev->interface = PHY_INTERFACE_MODE_MII;
+ phydev->dev_flags |= PHY_BRCM_AUTO_PWRDWN_ENABLE;
tp->tg3_flags3 |= TG3_FLG3_PHY_IS_FET;
break;
}
@@ -1311,7 +1331,7 @@ static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv)
u32 old_tx_mode = tp->tx_mode;
if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)
- autoneg = tp->mdio_bus->phy_map[PHY_ADDR]->autoneg;
+ autoneg = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]->autoneg;
else
autoneg = tp->link_config.autoneg;
@@ -1348,7 +1368,7 @@ static void tg3_adjust_link(struct net_device *dev)
u8 oldflowctrl, linkmesg = 0;
u32 mac_mode, lcl_adv, rmt_adv;
struct tg3 *tp = netdev_priv(dev);
- struct phy_device *phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+ struct phy_device *phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
spin_lock_bh(&tp->lock);
@@ -1363,8 +1383,11 @@ static void tg3_adjust_link(struct net_device *dev)
if (phydev->speed == SPEED_100 || phydev->speed == SPEED_10)
mac_mode |= MAC_MODE_PORT_MODE_MII;
- else
+ else if (phydev->speed == SPEED_1000 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785)
mac_mode |= MAC_MODE_PORT_MODE_GMII;
+ else
+ mac_mode |= MAC_MODE_PORT_MODE_MII;
if (phydev->duplex == DUPLEX_HALF)
mac_mode |= MAC_MODE_HALF_DUPLEX;
@@ -1434,7 +1457,7 @@ static int tg3_phy_init(struct tg3 *tp)
/* Bring the PHY back to a known state. */
tg3_bmcr_reset(tp);
- phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+ phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
/* Attach the MAC to the PHY. */
phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link,
@@ -1461,7 +1484,7 @@ static int tg3_phy_init(struct tg3 *tp)
SUPPORTED_Asym_Pause);
break;
default:
- phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
+ phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
return -EINVAL;
}
@@ -1479,7 +1502,7 @@ static void tg3_phy_start(struct tg3 *tp)
if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
return;
- phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+ phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
if (tp->link_config.phy_is_low_power) {
tp->link_config.phy_is_low_power = 0;
@@ -1499,13 +1522,13 @@ static void tg3_phy_stop(struct tg3 *tp)
if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
return;
- phy_stop(tp->mdio_bus->phy_map[PHY_ADDR]);
+ phy_stop(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
}
static void tg3_phy_fini(struct tg3 *tp)
{
if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
- phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]);
+ phy_disconnect(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED;
}
}
@@ -2149,6 +2172,26 @@ static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ);
udelay(40);
return;
+ } else if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
+ u32 phytest;
+ if (!tg3_readphy(tp, MII_TG3_FET_TEST, &phytest)) {
+ u32 phy;
+
+ tg3_writephy(tp, MII_ADVERTISE, 0);
+ tg3_writephy(tp, MII_BMCR,
+ BMCR_ANENABLE | BMCR_ANRESTART);
+
+ tg3_writephy(tp, MII_TG3_FET_TEST,
+ phytest | MII_TG3_FET_SHADOW_EN);
+ if (!tg3_readphy(tp, MII_TG3_FET_SHDW_AUXMODE4, &phy)) {
+ phy |= MII_TG3_FET_SHDW_AUXMODE4_SBPD;
+ tg3_writephy(tp,
+ MII_TG3_FET_SHDW_AUXMODE4,
+ phy);
+ }
+ tg3_writephy(tp, MII_TG3_FET_TEST, phytest);
+ }
+ return;
} else if (do_low_power) {
tg3_writephy(tp, MII_TG3_EXT_CTRL,
MII_TG3_EXT_CTRL_FORCE_LED_OFF);
@@ -2218,7 +2261,7 @@ static void tg3_nvram_unlock(struct tg3 *tp)
static void tg3_enable_nvram_access(struct tg3 *tp)
{
if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
- !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
+ !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
u32 nvaccess = tr32(NVRAM_ACCESS);
tw32(NVRAM_ACCESS, nvaccess | ACCESS_ENABLE);
@@ -2229,7 +2272,7 @@ static void tg3_enable_nvram_access(struct tg3 *tp)
static void tg3_disable_nvram_access(struct tg3 *tp)
{
if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
- !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM)) {
+ !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM)) {
u32 nvaccess = tr32(NVRAM_ACCESS);
tw32(NVRAM_ACCESS, nvaccess & ~ACCESS_ENABLE);
@@ -2474,7 +2517,7 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
struct phy_device *phydev;
u32 phyid, advertising;
- phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+ phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
tp->link_config.phy_is_low_power = 1;
@@ -3243,15 +3286,6 @@ relink:
pci_write_config_word(tp->pdev,
tp->pcie_cap + PCI_EXP_LNKCTL,
newlnkctl);
- } else if (tp->tg3_flags3 & TG3_FLG3_TOGGLE_10_100_L1PLLPD) {
- u32 newreg, oldreg = tr32(TG3_PCIE_LNKCTL);
- if (tp->link_config.active_speed == SPEED_100 ||
- tp->link_config.active_speed == SPEED_10)
- newreg = oldreg & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
- else
- newreg = oldreg | TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
- if (newreg != oldreg)
- tw32(TG3_PCIE_LNKCTL, newreg);
}
if (current_link_up != netif_carrier_ok(tp->dev)) {
@@ -4375,6 +4409,17 @@ static void tg3_tx(struct tg3_napi *tnapi)
}
}
+static void tg3_rx_skb_free(struct tg3 *tp, struct ring_info *ri, u32 map_sz)
+{
+ if (!ri->skb)
+ return;
+
+ pci_unmap_single(tp->pdev, pci_unmap_addr(ri, mapping),
+ map_sz, PCI_DMA_FROMDEVICE);
+ dev_kfree_skb_any(ri->skb);
+ ri->skb = NULL;
+}
+
/* Returns size of skb allocated or < 0 on error.
*
* We only need to fill in the address because the other members
@@ -4386,16 +4431,14 @@ static void tg3_tx(struct tg3_napi *tnapi)
* buffers the cpu only reads the last cacheline of the RX descriptor
* (to fetch the error flags, vlan tag, checksum, and opaque cookie).
*/
-static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
- int src_idx, u32 dest_idx_unmasked)
+static int tg3_alloc_rx_skb(struct tg3 *tp, struct tg3_rx_prodring_set *tpr,
+ u32 opaque_key, u32 dest_idx_unmasked)
{
- struct tg3 *tp = tnapi->tp;
struct tg3_rx_buffer_desc *desc;
struct ring_info *map, *src_map;
struct sk_buff *skb;
dma_addr_t mapping;
int skb_size, dest_idx;
- struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
src_map = NULL;
switch (opaque_key) {
@@ -4403,8 +4446,6 @@ static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
desc = &tpr->rx_std[dest_idx];
map = &tpr->rx_std_buffers[dest_idx];
- if (src_idx >= 0)
- src_map = &tpr->rx_std_buffers[src_idx];
skb_size = tp->rx_pkt_map_sz;
break;
@@ -4412,8 +4453,6 @@ static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
desc = &tpr->rx_jmb[dest_idx].std;
map = &tpr->rx_jmb_buffers[dest_idx];
- if (src_idx >= 0)
- src_map = &tpr->rx_jmb_buffers[src_idx];
skb_size = TG3_RX_JMB_MAP_SZ;
break;
@@ -4435,13 +4474,14 @@ static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
mapping = pci_map_single(tp->pdev, skb->data, skb_size,
PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(tp->pdev, mapping)) {
+ dev_kfree_skb(skb);
+ return -EIO;
+ }
map->skb = skb;
pci_unmap_addr_set(map, mapping, mapping);
- if (src_map != NULL)
- src_map->skb = NULL;
-
desc->addr_hi = ((u64)mapping >> 32);
desc->addr_lo = ((u64)mapping & 0xffffffff);
@@ -4452,30 +4492,32 @@ static int tg3_alloc_rx_skb(struct tg3_napi *tnapi, u32 opaque_key,
* members of the RX descriptor are invariant. See notes above
* tg3_alloc_rx_skb for full details.
*/
-static void tg3_recycle_rx(struct tg3_napi *tnapi, u32 opaque_key,
- int src_idx, u32 dest_idx_unmasked)
+static void tg3_recycle_rx(struct tg3_napi *tnapi,
+ struct tg3_rx_prodring_set *dpr,
+ u32 opaque_key, int src_idx,
+ u32 dest_idx_unmasked)
{
struct tg3 *tp = tnapi->tp;
struct tg3_rx_buffer_desc *src_desc, *dest_desc;
struct ring_info *src_map, *dest_map;
int dest_idx;
- struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
+ struct tg3_rx_prodring_set *spr = &tp->prodring[0];
switch (opaque_key) {
case RXD_OPAQUE_RING_STD:
dest_idx = dest_idx_unmasked % TG3_RX_RING_SIZE;
- dest_desc = &tpr->rx_std[dest_idx];
- dest_map = &tpr->rx_std_buffers[dest_idx];
- src_desc = &tpr->rx_std[src_idx];
- src_map = &tpr->rx_std_buffers[src_idx];
+ dest_desc = &dpr->rx_std[dest_idx];
+ dest_map = &dpr->rx_std_buffers[dest_idx];
+ src_desc = &spr->rx_std[src_idx];
+ src_map = &spr->rx_std_buffers[src_idx];
break;
case RXD_OPAQUE_RING_JUMBO:
dest_idx = dest_idx_unmasked % TG3_RX_JUMBO_RING_SIZE;
- dest_desc = &tpr->rx_jmb[dest_idx].std;
- dest_map = &tpr->rx_jmb_buffers[dest_idx];
- src_desc = &tpr->rx_jmb[src_idx].std;
- src_map = &tpr->rx_jmb_buffers[src_idx];
+ dest_desc = &dpr->rx_jmb[dest_idx].std;
+ dest_map = &dpr->rx_jmb_buffers[dest_idx];
+ src_desc = &spr->rx_jmb[src_idx].std;
+ src_map = &spr->rx_jmb_buffers[src_idx];
break;
default:
@@ -4487,7 +4529,6 @@ static void tg3_recycle_rx(struct tg3_napi *tnapi, u32 opaque_key,
pci_unmap_addr(src_map, mapping));
dest_desc->addr_hi = src_desc->addr_hi;
dest_desc->addr_lo = src_desc->addr_lo;
-
src_map->skb = NULL;
}
@@ -4519,10 +4560,11 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
{
struct tg3 *tp = tnapi->tp;
u32 work_mask, rx_std_posted = 0;
+ u32 std_prod_idx, jmb_prod_idx;
u32 sw_idx = tnapi->rx_rcb_ptr;
u16 hw_idx;
int received;
- struct tg3_rx_prodring_set *tpr = &tp->prodring[0];
+ struct tg3_rx_prodring_set *tpr = tnapi->prodring;
hw_idx = *(tnapi->rx_rcb_prod_idx);
/*
@@ -4532,7 +4574,10 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
rmb();
work_mask = 0;
received = 0;
+ std_prod_idx = tpr->rx_std_prod_idx;
+ jmb_prod_idx = tpr->rx_jmb_prod_idx;
while (sw_idx != hw_idx && budget > 0) {
+ struct ring_info *ri;
struct tg3_rx_buffer_desc *desc = &tnapi->rx_rcb[sw_idx];
unsigned int len;
struct sk_buff *skb;
@@ -4542,16 +4587,16 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
if (opaque_key == RXD_OPAQUE_RING_STD) {
- struct ring_info *ri = &tpr->rx_std_buffers[desc_idx];
+ ri = &tp->prodring[0].rx_std_buffers[desc_idx];
dma_addr = pci_unmap_addr(ri, mapping);
skb = ri->skb;
- post_ptr = &tpr->rx_std_ptr;
+ post_ptr = &std_prod_idx;
rx_std_posted++;
} else if (opaque_key == RXD_OPAQUE_RING_JUMBO) {
- struct ring_info *ri = &tpr->rx_jmb_buffers[desc_idx];
+ ri = &tp->prodring[0].rx_jmb_buffers[desc_idx];
dma_addr = pci_unmap_addr(ri, mapping);
skb = ri->skb;
- post_ptr = &tpr->rx_jmb_ptr;
+ post_ptr = &jmb_prod_idx;
} else
goto next_pkt_nopost;
@@ -4560,7 +4605,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
if ((desc->err_vlan & RXD_ERR_MASK) != 0 &&
(desc->err_vlan != RXD_ERR_ODD_NIBBLE_RCVD_MII)) {
drop_it:
- tg3_recycle_rx(tnapi, opaque_key,
+ tg3_recycle_rx(tnapi, tpr, opaque_key,
desc_idx, *post_ptr);
drop_it_no_recycle:
/* Other statistics kept track of by card. */
@@ -4580,11 +4625,13 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
) {
int skb_size;
- skb_size = tg3_alloc_rx_skb(tnapi, opaque_key,
- desc_idx, *post_ptr);
+ skb_size = tg3_alloc_rx_skb(tp, tpr, opaque_key,
+ *post_ptr);
if (skb_size < 0)
goto drop_it;
+ ri->skb = NULL;
+
pci_unmap_single(tp->pdev, dma_addr, skb_size,
PCI_DMA_FROMDEVICE);
@@ -4592,7 +4639,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
} else {
struct sk_buff *copy_skb;
- tg3_recycle_rx(tnapi, opaque_key,
+ tg3_recycle_rx(tnapi, tpr, opaque_key,
desc_idx, *post_ptr);
copy_skb = netdev_alloc_skb(tp->dev,
@@ -4643,9 +4690,7 @@ next_pkt:
if (unlikely(rx_std_posted >= tp->rx_std_max_post)) {
u32 idx = *post_ptr % TG3_RX_RING_SIZE;
-
- tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX +
- TG3_64BIT_REG_LOW, idx);
+ tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, idx);
work_mask &= ~RXD_OPAQUE_RING_STD;
rx_std_posted = 0;
}
@@ -4665,33 +4710,45 @@ next_pkt_nopost:
tw32_rx_mbox(tnapi->consmbox, sw_idx);
/* Refill RX ring(s). */
- if (work_mask & RXD_OPAQUE_RING_STD) {
- sw_idx = tpr->rx_std_ptr % TG3_RX_RING_SIZE;
- tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
- sw_idx);
- }
- if (work_mask & RXD_OPAQUE_RING_JUMBO) {
- sw_idx = tpr->rx_jmb_ptr % TG3_RX_JUMBO_RING_SIZE;
- tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
- sw_idx);
+ if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) || tnapi == &tp->napi[1]) {
+ if (work_mask & RXD_OPAQUE_RING_STD) {
+ tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
+ tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG,
+ tpr->rx_std_prod_idx);
+ }
+ if (work_mask & RXD_OPAQUE_RING_JUMBO) {
+ tpr->rx_jmb_prod_idx = jmb_prod_idx %
+ TG3_RX_JUMBO_RING_SIZE;
+ tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG,
+ tpr->rx_jmb_prod_idx);
+ }
+ mmiowb();
+ } else if (work_mask) {
+ /* rx_std_buffers[] and rx_jmb_buffers[] entries must be
+ * updated before the producer indices can be updated.
+ */
+ smp_wmb();
+
+ tpr->rx_std_prod_idx = std_prod_idx % TG3_RX_RING_SIZE;
+ tpr->rx_jmb_prod_idx = jmb_prod_idx % TG3_RX_JUMBO_RING_SIZE;
+
+ napi_schedule(&tp->napi[1].napi);
}
- mmiowb();
return received;
}
-static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
+static void tg3_poll_link(struct tg3 *tp)
{
- struct tg3 *tp = tnapi->tp;
- struct tg3_hw_status *sblk = tnapi->hw_status;
-
/* handle link change and other phy events */
if (!(tp->tg3_flags &
(TG3_FLAG_USE_LINKCHG_REG |
TG3_FLAG_POLL_SERDES))) {
+ struct tg3_hw_status *sblk = tp->napi[0].hw_status;
+
if (sblk->status & SD_STATUS_LINK_CHG) {
sblk->status = SD_STATUS_UPDATED |
- (sblk->status & ~SD_STATUS_LINK_CHG);
+ (sblk->status & ~SD_STATUS_LINK_CHG);
spin_lock(&tp->lock);
if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
tw32_f(MAC_STATUS,
@@ -4705,6 +4762,98 @@ static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
spin_unlock(&tp->lock);
}
}
+}
+
+static void tg3_rx_prodring_xfer(struct tg3 *tp,
+ struct tg3_rx_prodring_set *dpr,
+ struct tg3_rx_prodring_set *spr)
+{
+ u32 si, di, cpycnt, src_prod_idx;
+ int i;
+
+ while (1) {
+ src_prod_idx = spr->rx_std_prod_idx;
+
+ /* Make sure updates to the rx_std_buffers[] entries and the
+ * standard producer index are seen in the correct order.
+ */
+ smp_rmb();
+
+ if (spr->rx_std_cons_idx == src_prod_idx)
+ break;
+
+ if (spr->rx_std_cons_idx < src_prod_idx)
+ cpycnt = src_prod_idx - spr->rx_std_cons_idx;
+ else
+ cpycnt = TG3_RX_RING_SIZE - spr->rx_std_cons_idx;
+
+ cpycnt = min(cpycnt, TG3_RX_RING_SIZE - dpr->rx_std_prod_idx);
+
+ si = spr->rx_std_cons_idx;
+ di = dpr->rx_std_prod_idx;
+
+ memcpy(&dpr->rx_std_buffers[di],
+ &spr->rx_std_buffers[si],
+ cpycnt * sizeof(struct ring_info));
+
+ for (i = 0; i < cpycnt; i++, di++, si++) {
+ struct tg3_rx_buffer_desc *sbd, *dbd;
+ sbd = &spr->rx_std[si];
+ dbd = &dpr->rx_std[di];
+ dbd->addr_hi = sbd->addr_hi;
+ dbd->addr_lo = sbd->addr_lo;
+ }
+
+ spr->rx_std_cons_idx = (spr->rx_std_cons_idx + cpycnt) %
+ TG3_RX_RING_SIZE;
+ dpr->rx_std_prod_idx = (dpr->rx_std_prod_idx + cpycnt) %
+ TG3_RX_RING_SIZE;
+ }
+
+ while (1) {
+ src_prod_idx = spr->rx_jmb_prod_idx;
+
+ /* Make sure updates to the rx_jmb_buffers[] entries and
+ * the jumbo producer index are seen in the correct order.
+ */
+ smp_rmb();
+
+ if (spr->rx_jmb_cons_idx == src_prod_idx)
+ break;
+
+ if (spr->rx_jmb_cons_idx < src_prod_idx)
+ cpycnt = src_prod_idx - spr->rx_jmb_cons_idx;
+ else
+ cpycnt = TG3_RX_JUMBO_RING_SIZE - spr->rx_jmb_cons_idx;
+
+ cpycnt = min(cpycnt,
+ TG3_RX_JUMBO_RING_SIZE - dpr->rx_jmb_prod_idx);
+
+ si = spr->rx_jmb_cons_idx;
+ di = dpr->rx_jmb_prod_idx;
+
+ memcpy(&dpr->rx_jmb_buffers[di],
+ &spr->rx_jmb_buffers[si],
+ cpycnt * sizeof(struct ring_info));
+
+ for (i = 0; i < cpycnt; i++, di++, si++) {
+ struct tg3_rx_buffer_desc *sbd, *dbd;
+ sbd = &spr->rx_jmb[si].std;
+ dbd = &dpr->rx_jmb[di].std;
+ dbd->addr_hi = sbd->addr_hi;
+ dbd->addr_lo = sbd->addr_lo;
+ }
+
+ spr->rx_jmb_cons_idx = (spr->rx_jmb_cons_idx + cpycnt) %
+ TG3_RX_JUMBO_RING_SIZE;
+ dpr->rx_jmb_prod_idx = (dpr->rx_jmb_prod_idx + cpycnt) %
+ TG3_RX_JUMBO_RING_SIZE;
+ }
+}
+
+static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
+{
+ struct tg3 *tp = tnapi->tp;
/* run TX completion thread */
if (tnapi->hw_status->idx[0].tx_consumer != tnapi->tx_cons) {
@@ -4720,6 +4869,74 @@ static int tg3_poll_work(struct tg3_napi *tnapi, int work_done, int budget)
if (*(tnapi->rx_rcb_prod_idx) != tnapi->rx_rcb_ptr)
work_done += tg3_rx(tnapi, budget - work_done);
+ if ((tp->tg3_flags3 & TG3_FLG3_ENABLE_RSS) && tnapi == &tp->napi[1]) {
+ int i;
+ u32 std_prod_idx = tp->prodring[0].rx_std_prod_idx;
+ u32 jmb_prod_idx = tp->prodring[0].rx_jmb_prod_idx;
+
+ for (i = 2; i < tp->irq_cnt; i++)
+ tg3_rx_prodring_xfer(tp, tnapi->prodring,
+ tp->napi[i].prodring);
+
+ wmb();
+
+ if (std_prod_idx != tp->prodring[0].rx_std_prod_idx) {
+ u32 mbox = TG3_RX_STD_PROD_IDX_REG;
+ tw32_rx_mbox(mbox, tp->prodring[0].rx_std_prod_idx);
+ }
+
+ if (jmb_prod_idx != tp->prodring[0].rx_jmb_prod_idx) {
+ u32 mbox = TG3_RX_JMB_PROD_IDX_REG;
+ tw32_rx_mbox(mbox, tp->prodring[0].rx_jmb_prod_idx);
+ }
+
+ mmiowb();
+ }
+
+ return work_done;
+}
+
+static int tg3_poll_msix(struct napi_struct *napi, int budget)
+{
+ struct tg3_napi *tnapi = container_of(napi, struct tg3_napi, napi);
+ struct tg3 *tp = tnapi->tp;
+ int work_done = 0;
+ struct tg3_hw_status *sblk = tnapi->hw_status;
+
+ while (1) {
+ work_done = tg3_poll_work(tnapi, work_done, budget);
+
+ if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
+ goto tx_recovery;
+
+ if (unlikely(work_done >= budget))
+ break;
+
+ /* tp->last_tag is used in tg3_restart_ints() below
+ * to tell the hw how much work has been processed,
+ * so we must read it before checking for more work.
+ */
+ tnapi->last_tag = sblk->status_tag;
+ tnapi->last_irq_tag = tnapi->last_tag;
+ rmb();
+
+ /* check for RX/TX work to do */
+ if (sblk->idx[0].tx_consumer == tnapi->tx_cons &&
+ *(tnapi->rx_rcb_prod_idx) == tnapi->rx_rcb_ptr) {
+ napi_complete(napi);
+ /* Reenable interrupts. */
+ tw32_mailbox(tnapi->int_mbox, tnapi->last_tag << 24);
+ mmiowb();
+ break;
+ }
+ }
+
+ return work_done;
+
+tx_recovery:
+ /* work_done is guaranteed to be less than budget. */
+ napi_complete(napi);
+ schedule_work(&tp->reset_task);
return work_done;
}
@@ -4731,6 +4948,8 @@ static int tg3_poll(struct napi_struct *napi, int budget)
struct tg3_hw_status *sblk = tnapi->hw_status;
while (1) {
+ tg3_poll_link(tp);
+
work_done = tg3_poll_work(tnapi, work_done, budget);
if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING))
@@ -5093,11 +5312,11 @@ static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping,
static void tg3_set_txd(struct tg3_napi *, int, dma_addr_t, int, u32, u32);
/* Workaround 4GB and 40-bit hardware DMA bugs. */
-static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
- u32 last_plus_one, u32 *start,
- u32 base_flags, u32 mss)
+static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
+ struct sk_buff *skb, u32 last_plus_one,
+ u32 *start, u32 base_flags, u32 mss)
{
- struct tg3_napi *tnapi = &tp->napi[0];
+ struct tg3 *tp = tnapi->tp;
struct sk_buff *new_skb;
dma_addr_t new_addr = 0;
u32 entry = *start;
@@ -5124,7 +5343,8 @@ static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb,
/* Make sure new skb does not cross any 4G boundaries.
* Drop the packet if it does.
*/
- if (ret || tg3_4g_overflow_test(new_addr, new_skb->len)) {
+ if (ret || ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
+ tg3_4g_overflow_test(new_addr, new_skb->len))) {
if (!ret)
skb_dma_unmap(&tp->pdev->dev, new_skb,
DMA_TO_DEVICE);
@@ -5179,7 +5399,7 @@ static void tg3_set_txd(struct tg3_napi *tnapi, int entry,
}
/* hard_start_xmit for devices that don't have any bugs and
- * support TG3_FLG2_HW_TSO_2 only.
+ * support TG3_FLG2_HW_TSO_2 and TG3_FLG2_HW_TSO_3 only.
*/
static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
struct net_device *dev)
@@ -5238,7 +5458,7 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
hdrlen = ip_tcp_len + tcp_opt_len;
}
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+ if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
mss |= (hdrlen & 0xc) << 12;
if (hdrlen & 0x10)
base_flags |= 0x00000010;
@@ -5365,9 +5585,13 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
struct skb_shared_info *sp;
int would_hit_hwbug;
dma_addr_t mapping;
- struct tg3_napi *tnapi = &tp->napi[0];
+ struct tg3_napi *tnapi;
+ struct netdev_queue *txq;
- len = skb_headlen(skb);
+ txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
+ tnapi = &tp->napi[skb_get_queue_mapping(skb)];
+ if (tp->tg3_flags2 & TG3_FLG2_USING_MSIX)
+ tnapi++;
/* We are running in BH disabled context with netif_tx_lock
* and TX reclaim runs via tp->napi.poll inside of a software
@@ -5375,8 +5599,8 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
* no IRQ context deadlocks to worry about either. Rejoice!
*/
if (unlikely(tg3_tx_avail(tnapi) <= (skb_shinfo(skb)->nr_frags + 1))) {
- if (!netif_queue_stopped(dev)) {
- netif_stop_queue(dev);
+ if (!netif_tx_queue_stopped(txq)) {
+ netif_tx_stop_queue(txq);
/* This is a hard error, log it. */
printk(KERN_ERR PFX "%s: BUG! Tx Ring full when "
@@ -5389,10 +5613,10 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
base_flags = 0;
if (skb->ip_summed == CHECKSUM_PARTIAL)
base_flags |= TXD_FLAG_TCPUDP_CSUM;
- mss = 0;
+
if ((mss = skb_shinfo(skb)->gso_size) != 0) {
struct iphdr *iph;
- int tcp_opt_len, ip_tcp_len, hdr_len;
+ u32 tcp_opt_len, ip_tcp_len, hdr_len;
if (skb_header_cloned(skb) &&
pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
@@ -5423,8 +5647,15 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
IPPROTO_TCP,
0);
- if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
- (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)) {
+ if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) {
+ mss |= (hdr_len & 0xc) << 12;
+ if (hdr_len & 0x10)
+ base_flags |= 0x00000010;
+ base_flags |= (hdr_len & 0x3e0) << 5;
+ } else if (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)
+ mss |= hdr_len << 9;
+ else if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_1) ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) {
if (tcp_opt_len || iph->ihl > 5) {
int tsflags;
@@ -5446,6 +5677,10 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
(vlan_tx_tag_get(skb) << 16));
#endif
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
+ !mss && skb->len > ETH_DATA_LEN)
+ base_flags |= TXD_FLAG_JMB_PKT;
+
if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
dev_kfree_skb(skb);
goto out_unlock;
@@ -5459,9 +5694,20 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
would_hit_hwbug = 0;
- if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
+ len = skb_headlen(skb);
+
+ if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) && len <= 8)
would_hit_hwbug = 1;
- else if (tg3_4g_overflow_test(mapping, len))
+
+ if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
+ tg3_4g_overflow_test(mapping, len))
+ would_hit_hwbug = 1;
+
+ if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
+ tg3_40bit_overflow_test(tp, mapping, len))
+ would_hit_hwbug = 1;
+
+ if (tp->tg3_flags3 & TG3_FLG3_5701_DMA_BUG)
would_hit_hwbug = 1;
tg3_set_txd(tnapi, entry, mapping, len, base_flags,
@@ -5482,10 +5728,16 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
tnapi->tx_buffers[entry].skb = NULL;
- if (tg3_4g_overflow_test(mapping, len))
+ if ((tp->tg3_flags3 & TG3_FLG3_SHORT_DMA_BUG) &&
+ len <= 8)
+ would_hit_hwbug = 1;
+
+ if ((tp->tg3_flags3 & TG3_FLG3_4G_DMA_BNDRY_BUG) &&
+ tg3_4g_overflow_test(mapping, len))
would_hit_hwbug = 1;
- if (tg3_40bit_overflow_test(tp, mapping, len))
+ if ((tp->tg3_flags3 & TG3_FLG3_40BIT_DMA_LIMIT_BUG) &&
+ tg3_40bit_overflow_test(tp, mapping, len))
would_hit_hwbug = 1;
if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
@@ -5509,7 +5761,7 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
/* If the workaround fails due to memory/mapping
* failure, silently drop this packet.
*/
- if (tigon3_dma_hwbug_workaround(tp, skb, last_plus_one,
+ if (tigon3_dma_hwbug_workaround(tnapi, skb, last_plus_one,
&start, base_flags, mss))
goto out_unlock;
@@ -5517,13 +5769,13 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
}
/* Packets are ready, update Tx producer idx local and on card. */
- tw32_tx_mbox(MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW, entry);
+ tw32_tx_mbox(tnapi->prodmbox, entry);
tnapi->tx_prod = entry;
if (unlikely(tg3_tx_avail(tnapi) <= (MAX_SKB_FRAGS + 1))) {
- netif_stop_queue(dev);
+ netif_tx_stop_queue(txq);
if (tg3_tx_avail(tnapi) > TG3_TX_WAKEUP_THRESH(tnapi))
- netif_wake_queue(tp->dev);
+ netif_tx_wake_queue(txq);
}
out_unlock:
@@ -5594,36 +5846,33 @@ static void tg3_rx_prodring_free(struct tg3 *tp,
struct tg3_rx_prodring_set *tpr)
{
int i;
- struct ring_info *rxp;
-
- for (i = 0; i < TG3_RX_RING_SIZE; i++) {
- rxp = &tpr->rx_std_buffers[i];
- if (rxp->skb == NULL)
- continue;
+ if (tpr != &tp->prodring[0]) {
+ for (i = tpr->rx_std_cons_idx; i != tpr->rx_std_prod_idx;
+ i = (i + 1) % TG3_RX_RING_SIZE)
+ tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
+ tp->rx_pkt_map_sz);
+
+ if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
+ for (i = tpr->rx_jmb_cons_idx;
+ i != tpr->rx_jmb_prod_idx;
+ i = (i + 1) % TG3_RX_JUMBO_RING_SIZE) {
+ tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
+ TG3_RX_JMB_MAP_SZ);
+ }
+ }
- pci_unmap_single(tp->pdev,
- pci_unmap_addr(rxp, mapping),
- tp->rx_pkt_map_sz,
- PCI_DMA_FROMDEVICE);
- dev_kfree_skb_any(rxp->skb);
- rxp->skb = NULL;
+ return;
}
- if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
- for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++) {
- rxp = &tpr->rx_jmb_buffers[i];
-
- if (rxp->skb == NULL)
- continue;
+ for (i = 0; i < TG3_RX_RING_SIZE; i++)
+ tg3_rx_skb_free(tp, &tpr->rx_std_buffers[i],
+ tp->rx_pkt_map_sz);
- pci_unmap_single(tp->pdev,
- pci_unmap_addr(rxp, mapping),
- TG3_RX_JMB_MAP_SZ,
- PCI_DMA_FROMDEVICE);
- dev_kfree_skb_any(rxp->skb);
- rxp->skb = NULL;
- }
+ if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
+ for (i = 0; i < TG3_RX_JUMBO_RING_SIZE; i++)
+ tg3_rx_skb_free(tp, &tpr->rx_jmb_buffers[i],
+ TG3_RX_JMB_MAP_SZ);
}
}
@@ -5638,7 +5887,19 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
struct tg3_rx_prodring_set *tpr)
{
u32 i, rx_pkt_dma_sz;
- struct tg3_napi *tnapi = &tp->napi[0];
+
+ tpr->rx_std_cons_idx = 0;
+ tpr->rx_std_prod_idx = 0;
+ tpr->rx_jmb_cons_idx = 0;
+ tpr->rx_jmb_prod_idx = 0;
+
+ if (tpr != &tp->prodring[0]) {
+ memset(&tpr->rx_std_buffers[0], 0, TG3_RX_STD_BUFF_RING_SIZE);
+ if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE)
+ memset(&tpr->rx_jmb_buffers[0], 0,
+ TG3_RX_JMB_BUFF_RING_SIZE);
+ goto done;
+ }
/* Zero out all descriptors. */
memset(tpr->rx_std, 0, TG3_RX_RING_BYTES);
@@ -5665,7 +5926,7 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
/* Now allocate fresh SKBs for each rx ring. */
for (i = 0; i < tp->rx_pending; i++) {
- if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_STD, -1, i) < 0) {
+ if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_STD, i) < 0) {
printk(KERN_WARNING PFX
"%s: Using a smaller RX standard ring, "
"only %d out of %d buffers were allocated "
@@ -5696,8 +5957,8 @@ static int tg3_rx_prodring_alloc(struct tg3 *tp,
}
for (i = 0; i < tp->rx_jumbo_pending; i++) {
- if (tg3_alloc_rx_skb(tnapi, RXD_OPAQUE_RING_JUMBO,
- -1, i) < 0) {
+ if (tg3_alloc_rx_skb(tp, tpr, RXD_OPAQUE_RING_JUMBO,
+ i) < 0) {
printk(KERN_WARNING PFX
"%s: Using a smaller RX jumbo ring, "
"only %d out of %d buffers were "
@@ -5741,8 +6002,7 @@ static void tg3_rx_prodring_fini(struct tg3 *tp,
static int tg3_rx_prodring_init(struct tg3 *tp,
struct tg3_rx_prodring_set *tpr)
{
- tpr->rx_std_buffers = kzalloc(sizeof(struct ring_info) *
- TG3_RX_RING_SIZE, GFP_KERNEL);
+ tpr->rx_std_buffers = kzalloc(TG3_RX_STD_BUFF_RING_SIZE, GFP_KERNEL);
if (!tpr->rx_std_buffers)
return -ENOMEM;
@@ -5752,8 +6012,7 @@ static int tg3_rx_prodring_init(struct tg3 *tp,
goto err_out;
if (tp->tg3_flags & TG3_FLAG_JUMBO_CAPABLE) {
- tpr->rx_jmb_buffers = kzalloc(sizeof(struct ring_info) *
- TG3_RX_JUMBO_RING_SIZE,
+ tpr->rx_jmb_buffers = kzalloc(TG3_RX_JMB_BUFF_RING_SIZE,
GFP_KERNEL);
if (!tpr->rx_jmb_buffers)
goto err_out;
@@ -5809,9 +6068,10 @@ static void tg3_free_rings(struct tg3 *tp)
dev_kfree_skb_any(skb);
}
- }
- tg3_rx_prodring_free(tp, &tp->prodring[0]);
+ if (tp->irq_cnt == 1 || j != tp->irq_cnt - 1)
+ tg3_rx_prodring_free(tp, &tp->prodring[j]);
+ }
}
/* Initialize tx/rx rings for packet processing.
@@ -5845,9 +6105,13 @@ static int tg3_init_rings(struct tg3 *tp)
tnapi->rx_rcb_ptr = 0;
if (tnapi->rx_rcb)
memset(tnapi->rx_rcb, 0, TG3_RX_RCB_RING_BYTES(tp));
+
+ if ((tp->irq_cnt == 1 || i != tp->irq_cnt - 1) &&
+ tg3_rx_prodring_alloc(tp, &tp->prodring[i]))
+ return -ENOMEM;
}
- return tg3_rx_prodring_alloc(tp, &tp->prodring[0]);
+ return 0;
}
/*
@@ -5891,7 +6155,8 @@ static void tg3_free_consistent(struct tg3 *tp)
tp->hw_stats = NULL;
}
- tg3_rx_prodring_fini(tp, &tp->prodring[0]);
+ for (i = 0; i < (tp->irq_cnt == 1 ? 1 : tp->irq_cnt - 1); i++)
+ tg3_rx_prodring_fini(tp, &tp->prodring[i]);
}
/*
@@ -5902,8 +6167,10 @@ static int tg3_alloc_consistent(struct tg3 *tp)
{
int i;
- if (tg3_rx_prodring_init(tp, &tp->prodring[0]))
- return -ENOMEM;
+ for (i = 0; i < (tp->irq_cnt == 1 ? 1 : tp->irq_cnt - 1); i++) {
+ if (tg3_rx_prodring_init(tp, &tp->prodring[i]))
+ goto err_out;
+ }
tp->hw_stats = pci_alloc_consistent(tp->pdev,
sizeof(struct tg3_hw_stats),
@@ -5947,6 +6214,11 @@ static int tg3_alloc_consistent(struct tg3 *tp)
break;
}
+ if (tp->irq_cnt == 1)
+ tnapi->prodring = &tp->prodring[0];
+ else if (i)
+ tnapi->prodring = &tp->prodring[i - 1];
+
/*
* If multivector RSS is enabled, vector 0 does not handle
* rx or tx interrupts. Don't allocate any resources for it.
@@ -6580,6 +6852,30 @@ static int tg3_chip_reset(struct tg3 *tp)
tg3_mdio_start(tp);
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780) {
+ u8 phy_addr;
+
+ phy_addr = tp->phy_addr;
+ tp->phy_addr = TG3_PHY_PCIE_ADDR;
+
+ tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
+ TG3_PCIEPHY_TXB_BLK << TG3_PCIEPHY_BLOCK_SHIFT);
+ val = TG3_PCIEPHY_TX0CTRL1_TXOCM | TG3_PCIEPHY_TX0CTRL1_RDCTL |
+ TG3_PCIEPHY_TX0CTRL1_TXCMV | TG3_PCIEPHY_TX0CTRL1_TKSEL |
+ TG3_PCIEPHY_TX0CTRL1_NB_EN;
+ tg3_writephy(tp, TG3_PCIEPHY_TX0CTRL1, val);
+ udelay(10);
+
+ tg3_writephy(tp, TG3_PCIEPHY_BLOCK_ADDR,
+ TG3_PCIEPHY_XGXS_BLK1 << TG3_PCIEPHY_BLOCK_SHIFT);
+ val = TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN |
+ TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN;
+ tg3_writephy(tp, TG3_PCIEPHY_PWRMGMT4, val);
+ udelay(10);
+
+ tp->phy_addr = phy_addr;
+ }
+
if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) &&
tp->pci_chip_rev_id != CHIPREV_ID_5750_A0 &&
GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5785 &&
@@ -7162,15 +7458,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
tw32(TG3_PCIE_EIDLE_DELAY, val | TG3_PCIE_EIDLE_DELAY_13_CLKS);
tw32(TG3_CORR_ERR_STAT, TG3_CORR_ERR_STAT_CLEAR);
- }
- if (tp->tg3_flags3 & TG3_FLG3_TOGGLE_10_100_L1PLLPD) {
- val = tr32(TG3_PCIE_LNKCTL);
- if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG)
- val |= TG3_PCIE_LNKCTL_L1_PLL_PD_DIS;
- else
- val &= ~TG3_PCIE_LNKCTL_L1_PLL_PD_DIS;
- tw32(TG3_PCIE_LNKCTL, val);
+ val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
+ tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
}
/* This works around an issue with Athlon chipsets on
@@ -7217,9 +7507,12 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
if (err)
return err;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
- GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761 &&
- GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5717) {
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+ val = tr32(TG3PCI_DMA_RW_CTRL) &
+ ~DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
+ tw32(TG3PCI_DMA_RW_CTRL, val | tp->dma_rwctrl);
+ } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
+ GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
/* This value is determined during the probe time DMA
* engine test, tg3_test_dma.
*/
@@ -7342,8 +7635,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
((u64) tpr->rx_std_mapping >> 32));
tw32(RCVDBDI_STD_BD + TG3_BDINFO_HOST_ADDR + TG3_64BIT_REG_LOW,
((u64) tpr->rx_std_mapping & 0xffffffff));
- tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
- NIC_SRAM_RX_BUFFER_DESC);
+ if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS))
+ tw32(RCVDBDI_STD_BD + TG3_BDINFO_NIC_ADDR,
+ NIC_SRAM_RX_BUFFER_DESC);
/* Disable the mini ring */
if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
@@ -7366,8 +7660,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
(RX_JUMBO_MAX_SIZE << BDINFO_FLAGS_MAXLEN_SHIFT) |
BDINFO_FLAGS_USE_EXT_RECV);
- tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
- NIC_SRAM_RX_JUMBO_BUFFER_DESC);
+ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
+ tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_NIC_ADDR,
+ NIC_SRAM_RX_JUMBO_BUFFER_DESC);
} else {
tw32(RCVDBDI_JUMBO_BD + TG3_BDINFO_MAXLEN_FLAGS,
BDINFO_FLAGS_DISABLED);
@@ -7383,14 +7678,12 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
tw32(RCVDBDI_STD_BD + TG3_BDINFO_MAXLEN_FLAGS, val);
- tpr->rx_std_ptr = tp->rx_pending;
- tw32_rx_mbox(MAILBOX_RCV_STD_PROD_IDX + TG3_64BIT_REG_LOW,
- tpr->rx_std_ptr);
+ tpr->rx_std_prod_idx = tp->rx_pending;
+ tw32_rx_mbox(TG3_RX_STD_PROD_IDX_REG, tpr->rx_std_prod_idx);
- tpr->rx_jmb_ptr = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
+ tpr->rx_jmb_prod_idx = (tp->tg3_flags & TG3_FLAG_JUMBO_RING_ENABLE) ?
tp->rx_jumbo_pending : 0;
- tw32_rx_mbox(MAILBOX_RCV_JUMBO_PROD_IDX + TG3_64BIT_REG_LOW,
- tpr->rx_jmb_ptr);
+ tw32_rx_mbox(TG3_RX_JMB_PROD_IDX_REG, tpr->rx_jmb_prod_idx);
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
tw32(STD_REPLENISH_LWM, 32);
@@ -7453,7 +7746,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
rdmac_mode |= RDMAC_MODE_IPV4_LSO_EN;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
+ if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
rdmac_mode |= RDMAC_MODE_IPV6_LSO_EN;
@@ -7602,6 +7896,9 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
if (tp->tg3_flags3 & TG3_FLG3_5755_PLUS)
val |= WDMAC_MODE_STATUS_TAG_FIX;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785)
+ val |= WDMAC_MODE_BURST_ALL_DATA;
+
tw32_f(WDMAC_MODE, val);
udelay(40);
@@ -8020,10 +8317,13 @@ restart_timer:
static int tg3_request_irq(struct tg3 *tp, int irq_num)
{
irq_handler_t fn;
- unsigned long flags;
+ unsigned long flags = 0;
char *name;
struct tg3_napi *tnapi = &tp->napi[irq_num];
+ if (entropy)
+ flags = IRQF_SAMPLE_RANDOM;
+
if (tp->irq_cnt == 1)
name = tp->dev->name;
else {
@@ -8036,12 +8336,11 @@ static int tg3_request_irq(struct tg3 *tp, int irq_num)
fn = tg3_msi;
if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
fn = tg3_msi_1shot;
- flags = IRQF_SAMPLE_RANDOM;
} else {
fn = tg3_interrupt;
if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
fn = tg3_interrupt_tagged;
- flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
+ flags |= IRQF_SHARED;
}
return request_irq(tnapi->irq_vec, fn, flags, name, tnapi);
@@ -9240,9 +9539,11 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
struct tg3 *tp = netdev_priv(dev);
if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
+ struct phy_device *phydev;
if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
return -EAGAIN;
- return phy_ethtool_gset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
+ phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
+ return phy_ethtool_gset(phydev, cmd);
}
cmd->supported = (SUPPORTED_Autoneg);
@@ -9281,9 +9582,11 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
struct tg3 *tp = netdev_priv(dev);
if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
+ struct phy_device *phydev;
if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
return -EAGAIN;
- return phy_ethtool_sset(tp->mdio_bus->phy_map[PHY_ADDR], cmd);
+ phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
+ return phy_ethtool_sset(phydev, cmd);
}
if (cmd->autoneg != AUTONEG_ENABLE &&
@@ -9436,15 +9739,16 @@ static int tg3_set_tso(struct net_device *dev, u32 value)
return 0;
}
if ((dev->features & NETIF_F_IPV6_CSUM) &&
- (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2)) {
+ ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
+ (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3))) {
if (value) {
dev->features |= NETIF_F_TSO6;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
+ if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
dev->features |= NETIF_F_TSO_ECN;
} else
dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
@@ -9466,7 +9770,7 @@ static int tg3_nway_reset(struct net_device *dev)
if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
return -EAGAIN;
- r = phy_start_aneg(tp->mdio_bus->phy_map[PHY_ADDR]);
+ r = phy_start_aneg(tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR]);
} else {
u32 bmcr;
@@ -9585,7 +9889,7 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam
u32 newadv;
struct phy_device *phydev;
- phydev = tp->mdio_bus->phy_map[PHY_ADDR];
+ phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
if (epause->rx_pause) {
if (epause->tx_pause)
@@ -10338,7 +10642,10 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
for (i = 14; i < tx_len; i++)
tx_data[i] = (u8) (i & 0xff);
- map = pci_map_single(tp->pdev, skb->data, tx_len, PCI_DMA_TODEVICE);
+ if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) {
+ dev_kfree_skb(skb);
+ return -EIO;
+ }
tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
rnapi->coal_now);
@@ -10349,7 +10656,8 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
num_pkts = 0;
- tg3_set_txd(tnapi, tnapi->tx_prod, map, tx_len, 0, 1);
+ tg3_set_txd(tnapi, tnapi->tx_prod,
+ skb_shinfo(skb)->dma_head, tx_len, 0, 1);
tnapi->tx_prod++;
num_pkts++;
@@ -10359,8 +10667,8 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
udelay(10);
- /* 250 usec to allow enough time on some 10/100 Mbps devices. */
- for (i = 0; i < 25; i++) {
+ /* 350 usec to allow enough time on some 10/100 Mbps devices. */
+ for (i = 0; i < 35; i++) {
tw32_f(HOSTCC_MODE, tp->coalesce_mode | HOSTCC_MODE_ENABLE |
coal_now);
@@ -10373,7 +10681,7 @@ static int tg3_run_loopback(struct tg3 *tp, int loopback_mode)
break;
}
- pci_unmap_single(tp->pdev, map, tx_len, PCI_DMA_TODEVICE);
+ skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE);
dev_kfree_skb(skb);
if (tx_idx != tnapi->tx_prod)
@@ -10565,9 +10873,11 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
int err;
if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) {
+ struct phy_device *phydev;
if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED))
return -EAGAIN;
- return phy_mii_ioctl(tp->mdio_bus->phy_map[PHY_ADDR], data, cmd);
+ phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
+ return phy_mii_ioctl(phydev, data, cmd);
}
switch(cmd) {
@@ -10887,7 +11197,7 @@ static void __devinit tg3_get_5752_nvram_info(struct tg3 *tp)
/* NVRAM protection for TPM */
if (nvcfg1 & (1 << 27))
- tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
+ tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
switch (nvcfg1 & NVRAM_CFG1_5752VENDOR_MASK) {
case FLASH_5752VENDOR_ATMEL_EEPROM_64KHZ:
@@ -10928,7 +11238,7 @@ static void __devinit tg3_get_5755_nvram_info(struct tg3 *tp)
/* NVRAM protection for TPM */
if (nvcfg1 & (1 << 27)) {
- tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
+ tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
protect = 1;
}
@@ -11022,7 +11332,7 @@ static void __devinit tg3_get_5761_nvram_info(struct tg3 *tp)
/* NVRAM protection for TPM */
if (nvcfg1 & (1 << 27)) {
- tp->tg3_flags2 |= TG3_FLG2_PROTECTED_NVRAM;
+ tp->tg3_flags3 |= TG3_FLG3_PROTECTED_NVRAM;
protect = 1;
}
@@ -11524,7 +11834,7 @@ static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf)
tg3_enable_nvram_access(tp);
if ((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
- !(tp->tg3_flags2 & TG3_FLG2_PROTECTED_NVRAM))
+ !(tp->tg3_flags3 & TG3_FLG3_PROTECTED_NVRAM))
tw32(NVRAM_WRITE1, 0x406);
grc_mode = tr32(GRC_MODE);
@@ -12404,10 +12714,9 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
u32 prod_id_asic_rev;
- if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717C ||
- tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717S ||
- tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718C ||
- tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718S)
+ if (tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
+ tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
+ tp->pdev->device == TG3PCI_DEVICE_TIGON3_5724)
pci_read_config_dword(tp->pdev,
TG3PCI_GEN2_PRODID_ASICREV,
&prod_id_asic_rev);
@@ -12590,6 +12899,29 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
tp->dev->features |= NETIF_F_IPV6_CSUM;
}
+ /* Determine TSO capabilities */
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+ tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3;
+ else if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+ tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
+ else if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
+ tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5750 &&
+ tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
+ tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
+ } else if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
+ GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701 &&
+ tp->pci_chip_rev_id != CHIPREV_ID_5705_A0) {
+ tp->tg3_flags2 |= TG3_FLG2_TSO_BUG;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
+ tp->fw_needed = FIRMWARE_TG3TSO5;
+ else
+ tp->fw_needed = FIRMWARE_TG3TSO;
+ }
+
+ tp->irq_max = 1;
+
if (tp->tg3_flags2 & TG3_FLG2_5750_PLUS) {
tp->tg3_flags |= TG3_FLAG_SUPPORT_MSI;
if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5750_AX ||
@@ -12601,25 +12933,22 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
- tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
- } else {
- tp->tg3_flags2 |= TG3_FLG2_HW_TSO_1 | TG3_FLG2_TSO_BUG;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
- ASIC_REV_5750 &&
- tp->pci_chip_rev_id >= CHIPREV_ID_5750_C2)
- tp->tg3_flags2 &= ~TG3_FLG2_TSO_BUG;
}
- }
- tp->irq_max = 1;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+ tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
+ tp->irq_max = TG3_IRQ_MAX_VECS;
+ }
+ }
-#ifdef TG3_NAPI
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
- tp->tg3_flags |= TG3_FLAG_SUPPORT_MSIX;
- tp->irq_max = TG3_IRQ_MAX_VECS;
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+ tp->tg3_flags3 |= TG3_FLG3_SHORT_DMA_BUG;
+ else if (!(tp->tg3_flags3 & TG3_FLG3_5755_PLUS)) {
+ tp->tg3_flags3 |= TG3_FLG3_4G_DMA_BNDRY_BUG;
+ tp->tg3_flags3 |= TG3_FLG3_40BIT_DMA_LIMIT_BUG;
}
-#endif
if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) ||
(tp->tg3_flags2 & TG3_FLG2_5780_CLASS) ||
@@ -12930,11 +13259,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
tp->tg3_flags3 |= TG3_FLG3_USE_PHYLIB;
- if ((tp->pci_chip_rev_id == CHIPREV_ID_57780_A1 &&
- tr32(RCVLPC_STATS_ENABLE) & RCVLPC_STATSENAB_ASF_FIX) ||
- tp->pci_chip_rev_id == CHIPREV_ID_57780_A0)
- tp->tg3_flags3 |= TG3_FLG3_TOGGLE_10_100_L1PLLPD;
-
err = tg3_mdio_init(tp);
if (err)
return err;
@@ -13224,6 +13548,11 @@ static u32 __devinit tg3_calc_dma_bndry(struct tg3 *tp, u32 val)
#endif
#endif
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717) {
+ val = goal ? 0 : DMA_RWCTRL_DIS_CACHE_ALIGNMENT;
+ goto out;
+ }
+
if (!goal)
goto out;
@@ -13418,7 +13747,7 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
{
dma_addr_t buf_dma;
u32 *buf, saved_dma_rwctrl;
- int ret;
+ int ret = 0;
buf = pci_alloc_consistent(tp->pdev, TEST_BUFFER_SIZE, &buf_dma);
if (!buf) {
@@ -13431,6 +13760,9 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
tp->dma_rwctrl = tg3_calc_dma_bndry(tp, tp->dma_rwctrl);
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+ goto out;
+
if (tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) {
/* DMA read watermark not used on PCIE */
tp->dma_rwctrl |= 0x00180000;
@@ -13503,7 +13835,6 @@ static int __devinit tg3_test_dma(struct tg3 *tp)
tg3_switch_clocks(tp);
#endif
- ret = 0;
if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700 &&
GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701)
goto out;
@@ -13682,6 +14013,7 @@ static char * __devinit tg3_phy_string(struct tg3 *tp)
case PHY_ID_BCM5756: return "5722/5756";
case PHY_ID_BCM5906: return "5906";
case PHY_ID_BCM5761: return "5761";
+ case PHY_ID_BCM5717: return "5717";
case PHY_ID_BCM8002: return "8002/serdes";
case 0: return "serdes";
default: return "unknown";
@@ -13923,51 +14255,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
tp->rx_pending = TG3_DEF_RX_RING_PENDING;
tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
- intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
- rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
- sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
- for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
- struct tg3_napi *tnapi = &tp->napi[i];
-
- tnapi->tp = tp;
- tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
-
- tnapi->int_mbox = intmbx;
- if (i < 4)
- intmbx += 0x8;
- else
- intmbx += 0x4;
-
- tnapi->consmbox = rcvmbx;
- tnapi->prodmbox = sndmbx;
-
- if (i)
- tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
- else
- tnapi->coal_now = HOSTCC_MODE_NOW;
-
- if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
- break;
-
- /*
- * If we support MSIX, we'll be using RSS. If we're using
- * RSS, the first vector only handles link interrupts and the
- * remaining vectors handle rx and tx interrupts. Reuse the
- * mailbox values for the next iteration. The values we setup
- * above are still useful for the single vectored mode.
- */
- if (!i)
- continue;
-
- rcvmbx += 0x8;
-
- if (sndmbx & 0x4)
- sndmbx -= 0x4;
- else
- sndmbx += 0xc;
- }
-
- netif_napi_add(dev, &tp->napi[0].napi, tg3_poll, 64);
dev->ethtool_ops = &tg3_ethtool_ops;
dev->watchdog_timeo = TG3_TX_TIMEOUT;
dev->irq = pdev->irq;
@@ -13979,8 +14266,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
goto err_out_iounmap;
}
- if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+ if ((tp->tg3_flags3 & TG3_FLG3_5755_PLUS) &&
+ tp->pci_chip_rev_id != CHIPREV_ID_5717_A0)
dev->netdev_ops = &tg3_netdev_ops;
else
dev->netdev_ops = &tg3_netdev_ops_dma_bug;
@@ -14027,46 +14314,39 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
tg3_init_bufmgr_config(tp);
- if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
- tp->fw_needed = FIRMWARE_TG3;
-
- if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
+ /* Selectively allow TSO based on operating conditions */
+ if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) ||
+ (tp->fw_needed && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)))
tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
+ else {
+ tp->tg3_flags2 &= ~(TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG);
+ tp->fw_needed = NULL;
}
- else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 ||
- tp->pci_chip_rev_id == CHIPREV_ID_5705_A0 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
- (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
- tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
- } else {
- tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
- tp->fw_needed = FIRMWARE_TG3TSO5;
- else
- tp->fw_needed = FIRMWARE_TG3TSO;
- }
+
+ if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
+ tp->fw_needed = FIRMWARE_TG3;
/* TSO is on by default on chips that support hardware TSO.
* Firmware TSO on older chips gives lower performance, so it
* is off by default, but can be enabled using ethtool.
*/
- if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
- if (dev->features & NETIF_F_IP_CSUM)
- dev->features |= NETIF_F_TSO;
- if ((dev->features & NETIF_F_IPV6_CSUM) &&
- (tp->tg3_flags2 & TG3_FLG2_HW_TSO_2))
+ if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO) &&
+ (dev->features & NETIF_F_IP_CSUM))
+ dev->features |= NETIF_F_TSO;
+
+ if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) ||
+ (tp->tg3_flags2 & TG3_FLG2_HW_TSO_3)) {
+ if (dev->features & NETIF_F_IPV6_CSUM)
dev->features |= NETIF_F_TSO6;
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
+ if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_3) ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 &&
GET_CHIP_REV(tp->pci_chip_rev_id) != CHIPREV_5784_AX) ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5785 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717)
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780)
dev->features |= NETIF_F_TSO_ECN;
}
-
if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A1 &&
!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) &&
!(tr32(TG3PCI_PCISTATE) & PCISTATE_BUS_SPEED_HIGH)) {
@@ -14117,6 +14397,53 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
tp->tg3_flags |= TG3_FLAG_PAUSE_AUTONEG;
tp->link_config.flowctrl = FLOW_CTRL_TX | FLOW_CTRL_RX;
+ intmbx = MAILBOX_INTERRUPT_0 + TG3_64BIT_REG_LOW;
+ rcvmbx = MAILBOX_RCVRET_CON_IDX_0 + TG3_64BIT_REG_LOW;
+ sndmbx = MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW;
+ for (i = 0; i < TG3_IRQ_MAX_VECS; i++) {
+ struct tg3_napi *tnapi = &tp->napi[i];
+
+ tnapi->tp = tp;
+ tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
+
+ tnapi->int_mbox = intmbx;
+ if (i < 4)
+ intmbx += 0x8;
+ else
+ intmbx += 0x4;
+
+ tnapi->consmbox = rcvmbx;
+ tnapi->prodmbox = sndmbx;
+
+ if (i) {
+ tnapi->coal_now = HOSTCC_MODE_COAL_VEC1_NOW << (i - 1);
+ netif_napi_add(dev, &tnapi->napi, tg3_poll_msix, 64);
+ } else {
+ tnapi->coal_now = HOSTCC_MODE_NOW;
+ netif_napi_add(dev, &tnapi->napi, tg3_poll, 64);
+ }
+
+ if (!(tp->tg3_flags & TG3_FLAG_SUPPORT_MSIX))
+ break;
+
+ /*
+ * If we support MSIX, we'll be using RSS. If we're using
+ * RSS, the first vector only handles link interrupts and the
+ * remaining vectors handle rx and tx interrupts. Reuse the
+ * mailbox values for the next iteration. The values we setup
+ * above are still useful for the single vectored mode.
+ */
+ if (!i)
+ continue;
+
+ rcvmbx += 0x8;
+
+ if (sndmbx & 0x4)
+ sndmbx -= 0x4;
+ else
+ sndmbx += 0xc;
+ }
+
tg3_init_coal(tp);
pci_set_drvdata(pdev, dev);
@@ -14135,13 +14462,14 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
tg3_bus_string(tp, str),
dev->dev_addr);
- if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)
+ if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) {
+ struct phy_device *phydev;
+ phydev = tp->mdio_bus->phy_map[TG3_PHY_MII_ADDR];
printk(KERN_INFO
"%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n",
- tp->dev->name,
- tp->mdio_bus->phy_map[PHY_ADDR]->drv->name,
- dev_name(&tp->mdio_bus->phy_map[PHY_ADDR]->dev));
- else
+ tp->dev->name, phydev->drv->name,
+ dev_name(&phydev->dev));
+ } else
printk(KERN_INFO
"%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n",
tp->dev->name, tg3_phy_string(tp),
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index bab7940158e6..453a34fb72b9 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -46,10 +46,9 @@
#define TG3PCI_DEVICE_TIGON3_57788 0x1691
#define TG3PCI_DEVICE_TIGON3_5785_G 0x1699 /* GPHY */
#define TG3PCI_DEVICE_TIGON3_5785_F 0x16a0 /* 10/100 only */
-#define TG3PCI_DEVICE_TIGON3_5717C 0x1655
-#define TG3PCI_DEVICE_TIGON3_5717S 0x1656
-#define TG3PCI_DEVICE_TIGON3_5718C 0x1665
-#define TG3PCI_DEVICE_TIGON3_5718S 0x1666
+#define TG3PCI_DEVICE_TIGON3_5717 0x1655
+#define TG3PCI_DEVICE_TIGON3_5718 0x1656
+#define TG3PCI_DEVICE_TIGON3_5724 0x165c
/* 0x04 --> 0x64 unused */
#define TG3PCI_MSI_DATA 0x00000064
/* 0x66 --> 0x68 unused */
@@ -103,6 +102,7 @@
#define CHIPREV_ID_5906_A1 0xc001
#define CHIPREV_ID_57780_A0 0x57780000
#define CHIPREV_ID_57780_A1 0x57780001
+#define CHIPREV_ID_5717_A0 0x05717000
#define GET_ASIC_REV(CHIP_REV_ID) ((CHIP_REV_ID) >> 12)
#define ASIC_REV_5700 0x07
#define ASIC_REV_5701 0x00
@@ -141,8 +141,7 @@
#define METAL_REV_B1 0x01
#define METAL_REV_B2 0x02
#define TG3PCI_DMA_RW_CTRL 0x0000006c
-#define DMA_RWCTRL_MIN_DMA 0x000000ff
-#define DMA_RWCTRL_MIN_DMA_SHIFT 0
+#define DMA_RWCTRL_DIS_CACHE_ALIGNMENT 0x00000001
#define DMA_RWCTRL_READ_BNDRY_MASK 0x00000700
#define DMA_RWCTRL_READ_BNDRY_DISAB 0x00000000
#define DMA_RWCTRL_READ_BNDRY_16 0x00000100
@@ -242,7 +241,11 @@
#define MAILBOX_GENERAL_7 0x00000258 /* 64-bit */
#define MAILBOX_RELOAD_STAT 0x00000260 /* 64-bit */
#define MAILBOX_RCV_STD_PROD_IDX 0x00000268 /* 64-bit */
+#define TG3_RX_STD_PROD_IDX_REG (MAILBOX_RCV_STD_PROD_IDX + \
+ TG3_64BIT_REG_LOW)
#define MAILBOX_RCV_JUMBO_PROD_IDX 0x00000270 /* 64-bit */
+#define TG3_RX_JMB_PROD_IDX_REG (MAILBOX_RCV_JUMBO_PROD_IDX + \
+ TG3_64BIT_REG_LOW)
#define MAILBOX_RCV_MINI_PROD_IDX 0x00000278 /* 64-bit */
#define MAILBOX_RCVRET_CON_IDX_0 0x00000280 /* 64-bit */
#define MAILBOX_RCVRET_CON_IDX_1 0x00000288 /* 64-bit */
@@ -1264,8 +1267,9 @@
#define WDMAC_MODE_FIFOURUN_ENAB 0x00000080
#define WDMAC_MODE_FIFOOREAD_ENAB 0x00000100
#define WDMAC_MODE_LNGREAD_ENAB 0x00000200
-#define WDMAC_MODE_RX_ACCEL 0x00000400
+#define WDMAC_MODE_RX_ACCEL 0x00000400
#define WDMAC_MODE_STATUS_TAG_FIX 0x20000000
+#define WDMAC_MODE_BURST_ALL_DATA 0xc0000000
#define WDMAC_STATUS 0x00004c04
#define WDMAC_STATUS_TGTABORT 0x00000004
#define WDMAC_STATUS_MSTABORT 0x00000008
@@ -1953,10 +1957,34 @@
#define NIC_SRAM_MBUF_POOL_BASE5705 0x00010000
#define NIC_SRAM_MBUF_POOL_SIZE5705 0x0000e000
+
/* Currently this is fixed. */
-#define PHY_ADDR 0x01
+#define TG3_PHY_PCIE_ADDR 0x00
+#define TG3_PHY_MII_ADDR 0x01
+
+
+/*** Tigon3 specific PHY PCIE registers. ***/
+
+#define TG3_PCIEPHY_BLOCK_ADDR 0x1f
+#define TG3_PCIEPHY_XGXS_BLK1 0x0801
+#define TG3_PCIEPHY_TXB_BLK 0x0861
+#define TG3_PCIEPHY_BLOCK_SHIFT 4
-/* Tigon3 specific PHY MII registers. */
+/* TG3_PCIEPHY_TXB_BLK */
+#define TG3_PCIEPHY_TX0CTRL1 0x15
+#define TG3_PCIEPHY_TX0CTRL1_TXOCM 0x0003
+#define TG3_PCIEPHY_TX0CTRL1_RDCTL 0x0008
+#define TG3_PCIEPHY_TX0CTRL1_TXCMV 0x0030
+#define TG3_PCIEPHY_TX0CTRL1_TKSEL 0x0040
+#define TG3_PCIEPHY_TX0CTRL1_NB_EN 0x0400
+
+/* TG3_PCIEPHY_XGXS_BLK1 */
+#define TG3_PCIEPHY_PWRMGMT4 0x1a
+#define TG3_PCIEPHY_PWRMGMT4_L1PLLPD_EN 0x0038
+#define TG3_PCIEPHY_PWRMGMT4_LOWPWR_EN 0x4000
+
+
+/*** Tigon3 specific PHY MII registers. ***/
#define TG3_BMCR_SPEED1000 0x0040
#define MII_TG3_CTRL 0x09 /* 1000-baseT control register */
@@ -2055,6 +2083,9 @@
#define MII_TG3_FET_SHDW_MISCCTRL 0x10
#define MII_TG3_FET_SHDW_MISCCTRL_MDIX 0x4000
+#define MII_TG3_FET_SHDW_AUXMODE4 0x1a
+#define MII_TG3_FET_SHDW_AUXMODE4_SBPD 0x0008
+
#define MII_TG3_FET_SHDW_AUXSTAT2 0x1b
#define MII_TG3_FET_SHDW_AUXSTAT2_APD 0x0020
@@ -2542,8 +2573,10 @@ struct tg3_ethtool_stats {
};
struct tg3_rx_prodring_set {
- u32 rx_std_ptr;
- u32 rx_jmb_ptr;
+ u32 rx_std_prod_idx;
+ u32 rx_std_cons_idx;
+ u32 rx_jmb_prod_idx;
+ u32 rx_jmb_cons_idx;
struct tg3_rx_buffer_desc *rx_std;
struct tg3_ext_rx_buffer_desc *rx_jmb;
struct ring_info *rx_std_buffers;
@@ -2571,6 +2604,7 @@ struct tg3_napi {
u32 consmbox;
u32 rx_rcb_ptr;
u16 *rx_rcb_prod_idx;
+ struct tg3_rx_prodring_set *prodring;
struct tg3_rx_buffer_desc *rx_rcb;
struct tg3_tx_buffer_desc *tx_ring;
@@ -2654,7 +2688,7 @@ struct tg3 {
struct vlan_group *vlgrp;
#endif
- struct tg3_rx_prodring_set prodring[1];
+ struct tg3_rx_prodring_set prodring[TG3_IRQ_MAX_VECS - 1];
/* begin "everything else" cacheline(s) section */
@@ -2725,7 +2759,7 @@ struct tg3 {
#define TG3_FLG2_SERDES_PREEMPHASIS 0x00020000
#define TG3_FLG2_5705_PLUS 0x00040000
#define TG3_FLG2_5750_PLUS 0x00080000
-#define TG3_FLG2_PROTECTED_NVRAM 0x00100000
+#define TG3_FLG2_HW_TSO_3 0x00100000
#define TG3_FLG2_USING_MSI 0x00200000
#define TG3_FLG2_USING_MSIX 0x00400000
#define TG3_FLG2_USING_MSI_OR_MSIX (TG3_FLG2_USING_MSI | \
@@ -2737,7 +2771,9 @@ struct tg3 {
#define TG3_FLG2_ICH_WORKAROUND 0x02000000
#define TG3_FLG2_5780_CLASS 0x04000000
#define TG3_FLG2_HW_TSO_2 0x08000000
-#define TG3_FLG2_HW_TSO (TG3_FLG2_HW_TSO_1 | TG3_FLG2_HW_TSO_2)
+#define TG3_FLG2_HW_TSO (TG3_FLG2_HW_TSO_1 | \
+ TG3_FLG2_HW_TSO_2 | \
+ TG3_FLG2_HW_TSO_3)
#define TG3_FLG2_1SHOT_MSI 0x10000000
#define TG3_FLG2_PHY_JITTER_BUG 0x20000000
#define TG3_FLG2_NO_FWARE_REPORTED 0x40000000
@@ -2745,6 +2781,7 @@ struct tg3 {
u32 tg3_flags3;
#define TG3_FLG3_NO_NVRAM_ADDR_TRANS 0x00000001
#define TG3_FLG3_ENABLE_APE 0x00000002
+#define TG3_FLG3_PROTECTED_NVRAM 0x00000004
#define TG3_FLG3_5701_DMA_BUG 0x00000008
#define TG3_FLG3_USE_PHYLIB 0x00000010
#define TG3_FLG3_MDIOBUS_INITED 0x00000020
@@ -2756,9 +2793,11 @@ struct tg3 {
#define TG3_FLG3_PHY_ENABLE_APD 0x00001000
#define TG3_FLG3_5755_PLUS 0x00002000
#define TG3_FLG3_NO_NVRAM 0x00004000
-#define TG3_FLG3_TOGGLE_10_100_L1PLLPD 0x00008000
#define TG3_FLG3_PHY_IS_FET 0x00010000
#define TG3_FLG3_ENABLE_RSS 0x00020000
+#define TG3_FLG3_4G_DMA_BNDRY_BUG 0x00080000
+#define TG3_FLG3_40BIT_DMA_LIMIT_BUG 0x00100000
+#define TG3_FLG3_SHORT_DMA_BUG 0x00200000
struct timer_list timer;
u16 timer_counter;
@@ -2825,6 +2864,7 @@ struct tg3 {
#define PHY_ID_BCM5756 0xbc050ed0
#define PHY_ID_BCM5784 0xbc050fa0
#define PHY_ID_BCM5761 0xbc050fd0
+#define PHY_ID_BCM5717 0x5c0d8a00
#define PHY_ID_BCM5906 0xdc00ac40
#define PHY_ID_BCM8002 0x60010140
#define PHY_ID_INVALID 0xffffffff
@@ -2834,6 +2874,7 @@ struct tg3 {
#define PHY_REV_BCM5401_C0 0x6
#define PHY_REV_BCM5411_X0 0x1 /* Found on Netgear GA302T */
#define TG3_PHY_ID_BCM50610 0x143bd60
+#define TG3_PHY_ID_BCM50610M 0x143bd70
#define TG3_PHY_ID_BCMAC131 0x143bc70
#define TG3_PHY_ID_RTL8211C 0x001cc910
#define TG3_PHY_ID_RTL8201E 0x00008200
@@ -2865,7 +2906,7 @@ struct tg3 {
(X) == PHY_ID_BCM5780 || (X) == PHY_ID_BCM5787 || \
(X) == PHY_ID_BCM5755 || (X) == PHY_ID_BCM5756 || \
(X) == PHY_ID_BCM5906 || (X) == PHY_ID_BCM5761 || \
- (X) == PHY_ID_BCM8002)
+ (X) == PHY_ID_BCM5717 || (X) == PHY_ID_BCM8002)
struct tg3_hw_stats *hw_stats;
dma_addr_t stats_mapping;
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 7e7e26225b83..b1fc0a02a8ca 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -843,7 +843,7 @@ int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg)
{
int status;
unsigned long mflags;
-
+
/*
* HBA gets first crack
*/
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index bfc996971b81..37150e84dbd0 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -1224,22 +1224,6 @@ void fnic_terminate_rport_io(struct fc_rport *rport)
}
-static void fnic_block_error_handler(struct scsi_cmnd *sc)
-{
- struct Scsi_Host *shost = sc->device->host;
- struct fc_rport *rport = starget_to_rport(scsi_target(sc->device));
- unsigned long flags;
-
- spin_lock_irqsave(shost->host_lock, flags);
- while (rport->port_state == FC_PORTSTATE_BLOCKED) {
- spin_unlock_irqrestore(shost->host_lock, flags);
- msleep(1000);
- spin_lock_irqsave(shost->host_lock, flags);
- }
- spin_unlock_irqrestore(shost->host_lock, flags);
-
-}
-
/*
* This function is exported to SCSI for sending abort cmnds.
* A SCSI IO is represented by a io_req in the driver.
@@ -1259,7 +1243,7 @@ int fnic_abort_cmd(struct scsi_cmnd *sc)
DECLARE_COMPLETION_ONSTACK(tm_done);
/* Wait for rport to unblock */
- fnic_block_error_handler(sc);
+ fc_block_scsi_eh(sc);
/* Get local-port, check ready and link up */
lp = shost_priv(sc->device->host);
@@ -1541,7 +1525,7 @@ int fnic_device_reset(struct scsi_cmnd *sc)
DECLARE_COMPLETION_ONSTACK(tm_done);
/* Wait for rport to unblock */
- fnic_block_error_handler(sc);
+ fc_block_scsi_eh(sc);
/* Get local-port, check ready and link up */
lp = shost_priv(sc->device->host);
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 5fd2da494d08..28a753d796f3 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -180,14 +180,20 @@ void scsi_remove_host(struct Scsi_Host *shost)
EXPORT_SYMBOL(scsi_remove_host);
/**
- * scsi_add_host - add a scsi host
+ * scsi_add_host_with_dma - add a scsi host with dma device
* @shost: scsi host pointer to add
* @dev: a struct device of type scsi class
+ * @dma_dev: dma device for the host
+ *
+ * Note: You rarely need to worry about this unless you're in a
+ * virtualised host environments, so use the simpler scsi_add_host()
+ * function instead.
*
* Return value:
* 0 on success / != 0 for error
**/
-int scsi_add_host(struct Scsi_Host *shost, struct device *dev)
+int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev,
+ struct device *dma_dev)
{
struct scsi_host_template *sht = shost->hostt;
int error = -EINVAL;
@@ -207,6 +213,7 @@ int scsi_add_host(struct Scsi_Host *shost, struct device *dev)
if (!shost->shost_gendev.parent)
shost->shost_gendev.parent = dev ? dev : &platform_bus;
+ shost->dma_dev = dma_dev;
error = device_add(&shost->shost_gendev);
if (error)
@@ -262,7 +269,7 @@ int scsi_add_host(struct Scsi_Host *shost, struct device *dev)
fail:
return error;
}
-EXPORT_SYMBOL(scsi_add_host);
+EXPORT_SYMBOL(scsi_add_host_with_dma);
static void scsi_host_dev_release(struct device *dev)
{
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 562d8cee874b..f913f1e93635 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2408,7 +2408,7 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
vport->els_tmofunc.function = lpfc_els_timeout;
vport->els_tmofunc.data = (unsigned long)vport;
- error = scsi_add_host(shost, dev);
+ error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
if (error)
goto out_put_shost;
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index c88f59f0ce30..e25179193a82 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -2917,28 +2917,6 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
}
/**
- * lpfc_block_error_handler - Routine to block error handler
- * @cmnd: Pointer to scsi_cmnd data structure.
- *
- * This routine blocks execution till fc_rport state is not FC_PORSTAT_BLCOEKD.
- **/
-static void
-lpfc_block_error_handler(struct scsi_cmnd *cmnd)
-{
- struct Scsi_Host *shost = cmnd->device->host;
- struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
-
- spin_lock_irq(shost->host_lock);
- while (rport->port_state == FC_PORTSTATE_BLOCKED) {
- spin_unlock_irq(shost->host_lock);
- msleep(1000);
- spin_lock_irq(shost->host_lock);
- }
- spin_unlock_irq(shost->host_lock);
- return;
-}
-
-/**
* lpfc_abort_handler - scsi_host_template eh_abort_handler entry point
* @cmnd: Pointer to scsi_cmnd data structure.
*
@@ -2961,7 +2939,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
int ret = SUCCESS;
DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waitq);
- lpfc_block_error_handler(cmnd);
+ fc_block_scsi_eh(cmnd);
lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
BUG_ON(!lpfc_cmd);
@@ -3259,7 +3237,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
struct lpfc_scsi_event_header scsi_event;
int status;
- lpfc_block_error_handler(cmnd);
+ fc_block_scsi_eh(cmnd);
status = lpfc_chk_tgt_mapped(vport, cmnd);
if (status == FAILED) {
@@ -3318,7 +3296,7 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd)
struct lpfc_scsi_event_header scsi_event;
int status;
- lpfc_block_error_handler(cmnd);
+ fc_block_scsi_eh(cmnd);
status = lpfc_chk_tgt_mapped(vport, cmnd);
if (status == FAILED) {
@@ -3384,7 +3362,7 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(scsi_event), (char *)&scsi_event, LPFC_NL_VENDOR_ID);
- lpfc_block_error_handler(cmnd);
+ fc_block_scsi_eh(cmnd);
/*
* Since the driver manages a single bus device, reset all
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index a39addc3a596..134c63ef6d38 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -10,7 +10,7 @@
* 2 of the License, or (at your option) any later version.
*
* FILE : megaraid_sas.c
- * Version : v00.00.04.01-rc1
+ * Version : v00.00.04.12-rc1
*
* Authors:
* (email-id : megaraidlinux@lsi.com)
@@ -40,6 +40,7 @@
#include <linux/compat.h>
#include <linux/blkdev.h>
#include <linux/mutex.h>
+#include <linux/poll.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -75,6 +76,10 @@ static struct pci_device_id megasas_pci_table[] = {
/* gen2*/
{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0079GEN2)},
/* gen2*/
+ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0073SKINNY)},
+ /* skinny*/
+ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS0071SKINNY)},
+ /* skinny*/
{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_VERDE_ZCR)},
/* xscale IOP, vega */
{PCI_DEVICE(PCI_VENDOR_ID_DELL, PCI_DEVICE_ID_DELL_PERC5)},
@@ -89,8 +94,14 @@ static struct megasas_mgmt_info megasas_mgmt_info;
static struct fasync_struct *megasas_async_queue;
static DEFINE_MUTEX(megasas_async_queue_mutex);
+static int megasas_poll_wait_aen;
+static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait);
+static u32 support_poll_for_event;
static u32 megasas_dbg_lvl;
+/* define lock for aen poll */
+spinlock_t poll_aen_lock;
+
static void
megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
u8 alt_status);
@@ -215,7 +226,10 @@ megasas_clear_intr_xscale(struct megasas_register_set __iomem * regs)
* @regs : MFI register set
*/
static inline void
-megasas_fire_cmd_xscale(dma_addr_t frame_phys_addr,u32 frame_count, struct megasas_register_set __iomem *regs)
+megasas_fire_cmd_xscale(struct megasas_instance *instance,
+ dma_addr_t frame_phys_addr,
+ u32 frame_count,
+ struct megasas_register_set __iomem *regs)
{
writel((frame_phys_addr >> 3)|(frame_count),
&(regs)->inbound_queue_port);
@@ -312,7 +326,10 @@ megasas_clear_intr_ppc(struct megasas_register_set __iomem * regs)
* @regs : MFI register set
*/
static inline void
-megasas_fire_cmd_ppc(dma_addr_t frame_phys_addr, u32 frame_count, struct megasas_register_set __iomem *regs)
+megasas_fire_cmd_ppc(struct megasas_instance *instance,
+ dma_addr_t frame_phys_addr,
+ u32 frame_count,
+ struct megasas_register_set __iomem *regs)
{
writel((frame_phys_addr | (frame_count<<1))|1,
&(regs)->inbound_queue_port);
@@ -328,6 +345,104 @@ static struct megasas_instance_template megasas_instance_template_ppc = {
};
/**
+ * megasas_enable_intr_skinny - Enables interrupts
+ * @regs: MFI register set
+ */
+static inline void
+megasas_enable_intr_skinny(struct megasas_register_set __iomem *regs)
+{
+ writel(0xFFFFFFFF, &(regs)->outbound_intr_mask);
+
+ writel(~MFI_SKINNY_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask);
+
+ /* Dummy readl to force pci flush */
+ readl(&regs->outbound_intr_mask);
+}
+
+/**
+ * megasas_disable_intr_skinny - Disables interrupt
+ * @regs: MFI register set
+ */
+static inline void
+megasas_disable_intr_skinny(struct megasas_register_set __iomem *regs)
+{
+ u32 mask = 0xFFFFFFFF;
+ writel(mask, &regs->outbound_intr_mask);
+ /* Dummy readl to force pci flush */
+ readl(&regs->outbound_intr_mask);
+}
+
+/**
+ * megasas_read_fw_status_reg_skinny - returns the current FW status value
+ * @regs: MFI register set
+ */
+static u32
+megasas_read_fw_status_reg_skinny(struct megasas_register_set __iomem *regs)
+{
+ return readl(&(regs)->outbound_scratch_pad);
+}
+
+/**
+ * megasas_clear_interrupt_skinny - Check & clear interrupt
+ * @regs: MFI register set
+ */
+static int
+megasas_clear_intr_skinny(struct megasas_register_set __iomem *regs)
+{
+ u32 status;
+ /*
+ * Check if it is our interrupt
+ */
+ status = readl(&regs->outbound_intr_status);
+
+ if (!(status & MFI_SKINNY_ENABLE_INTERRUPT_MASK)) {
+ return 1;
+ }
+
+ /*
+ * Clear the interrupt by writing back the same value
+ */
+ writel(status, &regs->outbound_intr_status);
+
+ /*
+ * dummy read to flush PCI
+ */
+ readl(&regs->outbound_intr_status);
+
+ return 0;
+}
+
+/**
+ * megasas_fire_cmd_skinny - Sends command to the FW
+ * @frame_phys_addr : Physical address of cmd
+ * @frame_count : Number of frames for the command
+ * @regs : MFI register set
+ */
+static inline void
+megasas_fire_cmd_skinny(struct megasas_instance *instance,
+ dma_addr_t frame_phys_addr,
+ u32 frame_count,
+ struct megasas_register_set __iomem *regs)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&instance->fire_lock, flags);
+ writel(0, &(regs)->inbound_high_queue_port);
+ writel((frame_phys_addr | (frame_count<<1))|1,
+ &(regs)->inbound_low_queue_port);
+ spin_unlock_irqrestore(&instance->fire_lock, flags);
+}
+
+static struct megasas_instance_template megasas_instance_template_skinny = {
+
+ .fire_cmd = megasas_fire_cmd_skinny,
+ .enable_intr = megasas_enable_intr_skinny,
+ .disable_intr = megasas_disable_intr_skinny,
+ .clear_intr = megasas_clear_intr_skinny,
+ .read_fw_status_reg = megasas_read_fw_status_reg_skinny,
+};
+
+
+/**
* The following functions are defined for gen2 (deviceid : 0x78 0x79)
* controllers
*/
@@ -404,7 +519,9 @@ megasas_clear_intr_gen2(struct megasas_register_set __iomem *regs)
* @regs : MFI register set
*/
static inline void
-megasas_fire_cmd_gen2(dma_addr_t frame_phys_addr, u32 frame_count,
+megasas_fire_cmd_gen2(struct megasas_instance *instance,
+ dma_addr_t frame_phys_addr,
+ u32 frame_count,
struct megasas_register_set __iomem *regs)
{
writel((frame_phys_addr | (frame_count<<1))|1,
@@ -446,7 +563,8 @@ megasas_issue_polled(struct megasas_instance *instance, struct megasas_cmd *cmd)
/*
* Issue the frame using inbound queue port
*/
- instance->instancet->fire_cmd(cmd->frame_phys_addr ,0,instance->reg_set);
+ instance->instancet->fire_cmd(instance,
+ cmd->frame_phys_addr, 0, instance->reg_set);
/*
* Wait for cmd_status to change
@@ -477,7 +595,8 @@ megasas_issue_blocked_cmd(struct megasas_instance *instance,
{
cmd->cmd_status = ENODATA;
- instance->instancet->fire_cmd(cmd->frame_phys_addr ,0,instance->reg_set);
+ instance->instancet->fire_cmd(instance,
+ cmd->frame_phys_addr, 0, instance->reg_set);
wait_event_timeout(instance->int_cmd_wait_q, (cmd->cmd_status != ENODATA),
MEGASAS_INTERNAL_CMD_WAIT_TIME*HZ);
@@ -522,7 +641,8 @@ megasas_issue_blocked_abort_cmd(struct megasas_instance *instance,
cmd->sync_cmd = 1;
cmd->cmd_status = 0xFF;
- instance->instancet->fire_cmd(cmd->frame_phys_addr ,0,instance->reg_set);
+ instance->instancet->fire_cmd(instance,
+ cmd->frame_phys_addr, 0, instance->reg_set);
/*
* Wait for this cmd to complete
@@ -592,6 +712,35 @@ megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp,
return sge_count;
}
+/**
+ * megasas_make_sgl_skinny - Prepares IEEE SGL
+ * @instance: Adapter soft state
+ * @scp: SCSI command from the mid-layer
+ * @mfi_sgl: SGL to be filled in
+ *
+ * If successful, this function returns the number of SG elements. Otherwise,
+ * it returnes -1.
+ */
+static int
+megasas_make_sgl_skinny(struct megasas_instance *instance,
+ struct scsi_cmnd *scp, union megasas_sgl *mfi_sgl)
+{
+ int i;
+ int sge_count;
+ struct scatterlist *os_sgl;
+
+ sge_count = scsi_dma_map(scp);
+
+ if (sge_count) {
+ scsi_for_each_sg(scp, os_sgl, sge_count, i) {
+ mfi_sgl->sge_skinny[i].length = sg_dma_len(os_sgl);
+ mfi_sgl->sge_skinny[i].phys_addr =
+ sg_dma_address(os_sgl);
+ }
+ }
+ return sge_count;
+}
+
/**
* megasas_get_frame_count - Computes the number of frames
* @frame_type : type of frame- io or pthru frame
@@ -600,7 +749,8 @@ megasas_make_sgl64(struct megasas_instance *instance, struct scsi_cmnd *scp,
* Returns the number of frames required for numnber of sge's (sge_count)
*/
-static u32 megasas_get_frame_count(u8 sge_count, u8 frame_type)
+static u32 megasas_get_frame_count(struct megasas_instance *instance,
+ u8 sge_count, u8 frame_type)
{
int num_cnt;
int sge_bytes;
@@ -610,6 +760,10 @@ static u32 megasas_get_frame_count(u8 sge_count, u8 frame_type)
sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) :
sizeof(struct megasas_sge32);
+ if (instance->flag_ieee) {
+ sge_sz = sizeof(struct megasas_sge_skinny);
+ }
+
/*
* Main frame can contain 2 SGEs for 64-bit SGLs and
* 3 SGEs for 32-bit SGLs for ldio &
@@ -617,12 +771,16 @@ static u32 megasas_get_frame_count(u8 sge_count, u8 frame_type)
* 2 SGEs for 32-bit SGLs for pthru frame
*/
if (unlikely(frame_type == PTHRU_FRAME)) {
- if (IS_DMA64)
+ if (instance->flag_ieee == 1) {
+ num_cnt = sge_count - 1;
+ } else if (IS_DMA64)
num_cnt = sge_count - 1;
else
num_cnt = sge_count - 2;
} else {
- if (IS_DMA64)
+ if (instance->flag_ieee == 1) {
+ num_cnt = sge_count - 1;
+ } else if (IS_DMA64)
num_cnt = sge_count - 2;
else
num_cnt = sge_count - 3;
@@ -671,6 +829,10 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
else if (scp->sc_data_direction == PCI_DMA_NONE)
flags = MFI_FRAME_DIR_NONE;
+ if (instance->flag_ieee == 1) {
+ flags |= MFI_FRAME_IEEE;
+ }
+
/*
* Prepare the DCDB frame
*/
@@ -687,9 +849,24 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
memcpy(pthru->cdb, scp->cmnd, scp->cmd_len);
/*
+ * If the command is for the tape device, set the
+ * pthru timeout to the os layer timeout value.
+ */
+ if (scp->device->type == TYPE_TAPE) {
+ if ((scp->request->timeout / HZ) > 0xFFFF)
+ pthru->timeout = 0xFFFF;
+ else
+ pthru->timeout = scp->request->timeout / HZ;
+ }
+
+ /*
* Construct SGL
*/
- if (IS_DMA64) {
+ if (instance->flag_ieee == 1) {
+ pthru->flags |= MFI_FRAME_SGL64;
+ pthru->sge_count = megasas_make_sgl_skinny(instance, scp,
+ &pthru->sgl);
+ } else if (IS_DMA64) {
pthru->flags |= MFI_FRAME_SGL64;
pthru->sge_count = megasas_make_sgl64(instance, scp,
&pthru->sgl);
@@ -708,7 +885,7 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
* Compute the total number of frames this command consumes. FW uses
* this number to pull sufficient number of frames from host memory.
*/
- cmd->frame_count = megasas_get_frame_count(pthru->sge_count,
+ cmd->frame_count = megasas_get_frame_count(instance, pthru->sge_count,
PTHRU_FRAME);
return cmd->frame_count;
@@ -739,6 +916,10 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
else if (scp->sc_data_direction == PCI_DMA_FROMDEVICE)
flags = MFI_FRAME_DIR_READ;
+ if (instance->flag_ieee == 1) {
+ flags |= MFI_FRAME_IEEE;
+ }
+
/*
* Prepare the Logical IO frame: 2nd bit is zero for all read cmds
*/
@@ -809,7 +990,11 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
/*
* Construct SGL
*/
- if (IS_DMA64) {
+ if (instance->flag_ieee) {
+ ldio->flags |= MFI_FRAME_SGL64;
+ ldio->sge_count = megasas_make_sgl_skinny(instance, scp,
+ &ldio->sgl);
+ } else if (IS_DMA64) {
ldio->flags |= MFI_FRAME_SGL64;
ldio->sge_count = megasas_make_sgl64(instance, scp, &ldio->sgl);
} else
@@ -826,7 +1011,8 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
* Compute the total number of frames this command consumes. FW uses
* this number to pull sufficient number of frames from host memory.
*/
- cmd->frame_count = megasas_get_frame_count(ldio->sge_count, IO_FRAME);
+ cmd->frame_count = megasas_get_frame_count(instance,
+ ldio->sge_count, IO_FRAME);
return cmd->frame_count;
}
@@ -983,7 +1169,8 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *))
*/
atomic_inc(&instance->fw_outstanding);
- instance->instancet->fire_cmd(cmd->frame_phys_addr ,cmd->frame_count-1,instance->reg_set);
+ instance->instancet->fire_cmd(instance, cmd->frame_phys_addr,
+ cmd->frame_count-1, instance->reg_set);
/*
* Check if we have pend cmds to be completed
*/
@@ -1000,24 +1187,76 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *))
return 0;
}
+static struct megasas_instance *megasas_lookup_instance(u16 host_no)
+{
+ int i;
+
+ for (i = 0; i < megasas_mgmt_info.max_index; i++) {
+
+ if ((megasas_mgmt_info.instance[i]) &&
+ (megasas_mgmt_info.instance[i]->host->host_no == host_no))
+ return megasas_mgmt_info.instance[i];
+ }
+
+ return NULL;
+}
+
static int megasas_slave_configure(struct scsi_device *sdev)
{
+ u16 pd_index = 0;
+ struct megasas_instance *instance ;
+
+ instance = megasas_lookup_instance(sdev->host->host_no);
+
/*
- * Don't export physical disk devices to the disk driver.
- *
- * FIXME: Currently we don't export them to the midlayer at all.
- * That will be fixed once LSI engineers have audited the
- * firmware for possible issues.
- */
- if (sdev->channel < MEGASAS_MAX_PD_CHANNELS && sdev->type == TYPE_DISK)
+ * Don't export physical disk devices to the disk driver.
+ *
+ * FIXME: Currently we don't export them to the midlayer at all.
+ * That will be fixed once LSI engineers have audited the
+ * firmware for possible issues.
+ */
+ if (sdev->channel < MEGASAS_MAX_PD_CHANNELS &&
+ sdev->type == TYPE_DISK) {
+ pd_index = (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
+ sdev->id;
+ if (instance->pd_list[pd_index].driveState ==
+ MR_PD_STATE_SYSTEM) {
+ blk_queue_rq_timeout(sdev->request_queue,
+ MEGASAS_DEFAULT_CMD_TIMEOUT * HZ);
+ return 0;
+ }
return -ENXIO;
+ }
/*
- * The RAID firmware may require extended timeouts.
- */
- if (sdev->channel >= MEGASAS_MAX_PD_CHANNELS)
- blk_queue_rq_timeout(sdev->request_queue,
- MEGASAS_DEFAULT_CMD_TIMEOUT * HZ);
+ * The RAID firmware may require extended timeouts.
+ */
+ blk_queue_rq_timeout(sdev->request_queue,
+ MEGASAS_DEFAULT_CMD_TIMEOUT * HZ);
+ return 0;
+}
+
+static int megasas_slave_alloc(struct scsi_device *sdev)
+{
+ u16 pd_index = 0;
+ struct megasas_instance *instance ;
+ instance = megasas_lookup_instance(sdev->host->host_no);
+ if ((sdev->channel < MEGASAS_MAX_PD_CHANNELS) &&
+ (sdev->type == TYPE_DISK)) {
+ /*
+ * Open the OS scan to the SYSTEM PD
+ */
+ pd_index =
+ (sdev->channel * MEGASAS_MAX_DEV_PER_CHANNEL) +
+ sdev->id;
+ if ((instance->pd_list[pd_index].driveState ==
+ MR_PD_STATE_SYSTEM) &&
+ (instance->pd_list[pd_index].driveType ==
+ TYPE_DISK)) {
+ return 0;
+ }
+ return -ENXIO;
+ }
return 0;
}
@@ -1072,7 +1311,14 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr)
spin_lock_irqsave(instance->host->host_lock, flags);
instance->flag &= ~MEGASAS_FW_BUSY;
- instance->host->can_queue =
+ if ((instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ instance->host->can_queue =
+ instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS;
+ } else
+ instance->host->can_queue =
instance->max_fw_cmds - MEGASAS_INT_CMDS;
spin_unlock_irqrestore(instance->host->host_lock, flags);
@@ -1117,8 +1363,16 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance)
* Send signal to FW to stop processing any pending cmds.
* The controller will be taken offline by the OS now.
*/
- writel(MFI_STOP_ADP,
+ if ((instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ writel(MFI_STOP_ADP,
+ &instance->reg_set->reserved_0[0]);
+ } else {
+ writel(MFI_STOP_ADP,
&instance->reg_set->inbound_doorbell);
+ }
megasas_dump_pending_frames(instance);
instance->hw_crit_error = 1;
return FAILED;
@@ -1266,6 +1520,8 @@ megasas_bios_param(struct scsi_device *sdev, struct block_device *bdev,
return 0;
}
+static void megasas_aen_polling(struct work_struct *work);
+
/**
* megasas_service_aen - Processes an event notification
* @instance: Adapter soft state
@@ -1281,16 +1537,36 @@ megasas_bios_param(struct scsi_device *sdev, struct block_device *bdev,
static void
megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd)
{
+ unsigned long flags;
/*
* Don't signal app if it is just an aborted previously registered aen
*/
- if (!cmd->abort_aen)
+ if ((!cmd->abort_aen) && (instance->unload == 0)) {
+ spin_lock_irqsave(&poll_aen_lock, flags);
+ megasas_poll_wait_aen = 1;
+ spin_unlock_irqrestore(&poll_aen_lock, flags);
+ wake_up(&megasas_poll_wait);
kill_fasync(&megasas_async_queue, SIGIO, POLL_IN);
+ }
else
cmd->abort_aen = 0;
instance->aen_cmd = NULL;
megasas_return_cmd(instance, cmd);
+
+ if (instance->unload == 0) {
+ struct megasas_aen_event *ev;
+ ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
+ if (!ev) {
+ printk(KERN_ERR "megasas_service_aen: out of memory\n");
+ } else {
+ ev->instance = instance;
+ instance->ev = ev;
+ INIT_WORK(&ev->hotplug_work, megasas_aen_polling);
+ schedule_delayed_work(
+ (struct delayed_work *)&ev->hotplug_work, 0);
+ }
+ }
}
/*
@@ -1302,6 +1578,7 @@ static struct scsi_host_template megasas_template = {
.name = "LSI SAS based MegaRAID driver",
.proc_name = "megaraid_sas",
.slave_configure = megasas_slave_configure,
+ .slave_alloc = megasas_slave_alloc,
.queuecommand = megasas_queue_command,
.eh_device_reset_handler = megasas_reset_device,
.eh_bus_reset_handler = megasas_reset_bus_host,
@@ -1370,6 +1647,7 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
{
int exception = 0;
struct megasas_header *hdr = &cmd->frame->hdr;
+ unsigned long flags;
if (cmd->scmd)
cmd->scmd->SCp.ptr = NULL;
@@ -1459,6 +1737,12 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
case MFI_CMD_SMP:
case MFI_CMD_STP:
case MFI_CMD_DCMD:
+ if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_GET_INFO ||
+ cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_GET) {
+ spin_lock_irqsave(&poll_aen_lock, flags);
+ megasas_poll_wait_aen = 0;
+ spin_unlock_irqrestore(&poll_aen_lock, flags);
+ }
/*
* See if got an event notification
@@ -1536,6 +1820,7 @@ megasas_transition_to_ready(struct megasas_instance* instance)
u8 max_wait;
u32 fw_state;
u32 cur_state;
+ u32 abs_state, curr_abs_state;
fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK;
@@ -1545,6 +1830,9 @@ megasas_transition_to_ready(struct megasas_instance* instance)
while (fw_state != MFI_STATE_READY) {
+ abs_state =
+ instance->instancet->read_fw_status_reg(instance->reg_set);
+
switch (fw_state) {
case MFI_STATE_FAULT:
@@ -1556,18 +1844,36 @@ megasas_transition_to_ready(struct megasas_instance* instance)
/*
* Set the CLR bit in inbound doorbell
*/
- writel(MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
- &instance->reg_set->inbound_doorbell);
+ if ((instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+
+ writel(
+ MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
+ &instance->reg_set->reserved_0[0]);
+ } else {
+ writel(
+ MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
+ &instance->reg_set->inbound_doorbell);
+ }
- max_wait = 2;
+ max_wait = MEGASAS_RESET_WAIT_TIME;
cur_state = MFI_STATE_WAIT_HANDSHAKE;
break;
case MFI_STATE_BOOT_MESSAGE_PENDING:
- writel(MFI_INIT_HOTPLUG,
- &instance->reg_set->inbound_doorbell);
+ if ((instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ writel(MFI_INIT_HOTPLUG,
+ &instance->reg_set->reserved_0[0]);
+ } else
+ writel(MFI_INIT_HOTPLUG,
+ &instance->reg_set->inbound_doorbell);
- max_wait = 10;
+ max_wait = MEGASAS_RESET_WAIT_TIME;
cur_state = MFI_STATE_BOOT_MESSAGE_PENDING;
break;
@@ -1576,9 +1882,17 @@ megasas_transition_to_ready(struct megasas_instance* instance)
* Bring it to READY state; assuming max wait 10 secs
*/
instance->instancet->disable_intr(instance->reg_set);
- writel(MFI_RESET_FLAGS, &instance->reg_set->inbound_doorbell);
+ if ((instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ writel(MFI_RESET_FLAGS,
+ &instance->reg_set->reserved_0[0]);
+ } else
+ writel(MFI_RESET_FLAGS,
+ &instance->reg_set->inbound_doorbell);
- max_wait = 60;
+ max_wait = MEGASAS_RESET_WAIT_TIME;
cur_state = MFI_STATE_OPERATIONAL;
break;
@@ -1586,32 +1900,32 @@ megasas_transition_to_ready(struct megasas_instance* instance)
/*
* This state should not last for more than 2 seconds
*/
- max_wait = 2;
+ max_wait = MEGASAS_RESET_WAIT_TIME;
cur_state = MFI_STATE_UNDEFINED;
break;
case MFI_STATE_BB_INIT:
- max_wait = 2;
+ max_wait = MEGASAS_RESET_WAIT_TIME;
cur_state = MFI_STATE_BB_INIT;
break;
case MFI_STATE_FW_INIT:
- max_wait = 20;
+ max_wait = MEGASAS_RESET_WAIT_TIME;
cur_state = MFI_STATE_FW_INIT;
break;
case MFI_STATE_FW_INIT_2:
- max_wait = 20;
+ max_wait = MEGASAS_RESET_WAIT_TIME;
cur_state = MFI_STATE_FW_INIT_2;
break;
case MFI_STATE_DEVICE_SCAN:
- max_wait = 20;
+ max_wait = MEGASAS_RESET_WAIT_TIME;
cur_state = MFI_STATE_DEVICE_SCAN;
break;
case MFI_STATE_FLUSH_CACHE:
- max_wait = 20;
+ max_wait = MEGASAS_RESET_WAIT_TIME;
cur_state = MFI_STATE_FLUSH_CACHE;
break;
@@ -1627,8 +1941,10 @@ megasas_transition_to_ready(struct megasas_instance* instance)
for (i = 0; i < (max_wait * 1000); i++) {
fw_state = instance->instancet->read_fw_status_reg(instance->reg_set) &
MFI_STATE_MASK ;
+ curr_abs_state =
+ instance->instancet->read_fw_status_reg(instance->reg_set);
- if (fw_state == cur_state) {
+ if (abs_state == curr_abs_state) {
msleep(1);
} else
break;
@@ -1637,7 +1953,7 @@ megasas_transition_to_ready(struct megasas_instance* instance)
/*
* Return error if fw_state hasn't changed after max_wait
*/
- if (fw_state == cur_state) {
+ if (curr_abs_state == abs_state) {
printk(KERN_DEBUG "FW state [%d] hasn't changed "
"in %d secs\n", fw_state, max_wait);
return -ENODEV;
@@ -1715,6 +2031,10 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
sge_sz = (IS_DMA64) ? sizeof(struct megasas_sge64) :
sizeof(struct megasas_sge32);
+ if (instance->flag_ieee) {
+ sge_sz = sizeof(struct megasas_sge_skinny);
+ }
+
/*
* Calculated the number of 64byte frames required for SGL
*/
@@ -1777,6 +2097,7 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
}
cmd->frame->io.context = cmd->index;
+ cmd->frame->io.pad_0 = 0;
}
return 0;
@@ -1882,6 +2203,97 @@ static int megasas_alloc_cmds(struct megasas_instance *instance)
return 0;
}
+/*
+ * megasas_get_pd_list_info - Returns FW's pd_list structure
+ * @instance: Adapter soft state
+ * @pd_list: pd_list structure
+ *
+ * Issues an internal command (DCMD) to get the FW's controller PD
+ * list structure. This information is mainly used to find out SYSTEM
+ * supported by the FW.
+ */
+static int
+megasas_get_pd_list(struct megasas_instance *instance)
+{
+ int ret = 0, pd_index = 0;
+ struct megasas_cmd *cmd;
+ struct megasas_dcmd_frame *dcmd;
+ struct MR_PD_LIST *ci;
+ struct MR_PD_ADDRESS *pd_addr;
+ dma_addr_t ci_h = 0;
+
+ cmd = megasas_get_cmd(instance);
+
+ if (!cmd) {
+ printk(KERN_DEBUG "megasas (get_pd_list): Failed to get cmd\n");
+ return -ENOMEM;
+ }
+
+ dcmd = &cmd->frame->dcmd;
+
+ ci = pci_alloc_consistent(instance->pdev,
+ MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST), &ci_h);
+
+ if (!ci) {
+ printk(KERN_DEBUG "Failed to alloc mem for pd_list\n");
+ megasas_return_cmd(instance, cmd);
+ return -ENOMEM;
+ }
+
+ memset(ci, 0, sizeof(*ci));
+ memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
+
+ dcmd->mbox.b[0] = MR_PD_QUERY_TYPE_EXPOSED_TO_HOST;
+ dcmd->mbox.b[1] = 0;
+ dcmd->cmd = MFI_CMD_DCMD;
+ dcmd->cmd_status = 0xFF;
+ dcmd->sge_count = 1;
+ dcmd->flags = MFI_FRAME_DIR_READ;
+ dcmd->timeout = 0;
+ dcmd->data_xfer_len = MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST);
+ dcmd->opcode = MR_DCMD_PD_LIST_QUERY;
+ dcmd->sgl.sge32[0].phys_addr = ci_h;
+ dcmd->sgl.sge32[0].length = MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST);
+
+ if (!megasas_issue_polled(instance, cmd)) {
+ ret = 0;
+ } else {
+ ret = -1;
+ }
+
+ /*
+ * the following function will get the instance PD LIST.
+ */
+
+ pd_addr = ci->addr;
+
+ if ( ret == 0 &&
+ (ci->count <
+ (MEGASAS_MAX_PD_CHANNELS * MEGASAS_MAX_DEV_PER_CHANNEL))) {
+
+ memset(instance->pd_list, 0,
+ MEGASAS_MAX_PD * sizeof(struct megasas_pd_list));
+
+ for (pd_index = 0; pd_index < ci->count; pd_index++) {
+
+ instance->pd_list[pd_addr->deviceId].tid =
+ pd_addr->deviceId;
+ instance->pd_list[pd_addr->deviceId].driveType =
+ pd_addr->scsiDevType;
+ instance->pd_list[pd_addr->deviceId].driveState =
+ MR_PD_STATE_SYSTEM;
+ pd_addr++;
+ }
+ }
+
+ pci_free_consistent(instance->pdev,
+ MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST),
+ ci, ci_h);
+ megasas_return_cmd(instance, cmd);
+
+ return ret;
+}
+
/**
* megasas_get_controller_info - Returns FW's controller structure
* @instance: Adapter soft state
@@ -2081,6 +2493,8 @@ static int megasas_init_mfi(struct megasas_instance *instance)
* Map the message registers
*/
if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS1078GEN2) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
(instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0079GEN2)) {
instance->base_addr = pci_resource_start(instance->pdev, 1);
} else {
@@ -2111,6 +2525,10 @@ static int megasas_init_mfi(struct megasas_instance *instance)
case PCI_DEVICE_ID_LSI_SAS0079GEN2:
instance->instancet = &megasas_instance_template_gen2;
break;
+ case PCI_DEVICE_ID_LSI_SAS0073SKINNY:
+ case PCI_DEVICE_ID_LSI_SAS0071SKINNY:
+ instance->instancet = &megasas_instance_template_skinny;
+ break;
case PCI_DEVICE_ID_LSI_SAS1064R:
case PCI_DEVICE_ID_DELL_PERC5:
default:
@@ -2166,6 +2584,10 @@ static int megasas_init_mfi(struct megasas_instance *instance)
if (megasas_issue_init_mfi(instance))
goto fail_fw_init;
+ memset(instance->pd_list, 0 ,
+ (MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)));
+ megasas_get_pd_list(instance);
+
ctrl_info = kmalloc(sizeof(struct megasas_ctrl_info), GFP_KERNEL);
/*
@@ -2409,6 +2831,11 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num,
dcmd->sgl.sge32[0].phys_addr = (u32) instance->evt_detail_h;
dcmd->sgl.sge32[0].length = sizeof(struct megasas_evt_detail);
+ if (instance->aen_cmd != NULL) {
+ megasas_return_cmd(instance, cmd);
+ return 0;
+ }
+
/*
* Store reference to the cmd used to register for AEN. When an
* application wants us to register for AEN, we have to abort this
@@ -2419,7 +2846,8 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num,
/*
* Issue the aen registration frame
*/
- instance->instancet->fire_cmd(cmd->frame_phys_addr ,0,instance->reg_set);
+ instance->instancet->fire_cmd(instance,
+ cmd->frame_phys_addr, 0, instance->reg_set);
return 0;
}
@@ -2465,7 +2893,13 @@ static int megasas_io_attach(struct megasas_instance *instance)
*/
host->irq = instance->pdev->irq;
host->unique_id = instance->unique_id;
- host->can_queue = instance->max_fw_cmds - MEGASAS_INT_CMDS;
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ host->can_queue =
+ instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS;
+ } else
+ host->can_queue =
+ instance->max_fw_cmds - MEGASAS_INT_CMDS;
host->this_id = instance->init_id;
host->sg_tablesize = instance->max_num_sge;
host->max_sectors = instance->max_sectors_per_req;
@@ -2572,6 +3006,9 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
*instance->producer = 0;
*instance->consumer = 0;
+ megasas_poll_wait_aen = 0;
+ instance->flag_ieee = 0;
+ instance->ev = NULL;
instance->evt_detail = pci_alloc_consistent(pdev,
sizeof(struct
@@ -2595,10 +3032,11 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
init_waitqueue_head(&instance->abort_cmd_wait_q);
spin_lock_init(&instance->cmd_pool_lock);
+ spin_lock_init(&instance->fire_lock);
spin_lock_init(&instance->completion_lock);
+ spin_lock_init(&poll_aen_lock);
mutex_init(&instance->aen_mutex);
- sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS);
/*
* Initialize PCI related and misc parameters
@@ -2608,8 +3046,16 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
instance->unique_id = pdev->bus->number << 8 | pdev->devfn;
instance->init_id = MEGASAS_DEFAULT_INIT_ID;
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ instance->flag_ieee = 1;
+ sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS);
+ } else
+ sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS);
+
megasas_dbg_lvl = 0;
instance->flag = 0;
+ instance->unload = 1;
instance->last_time = 0;
/*
@@ -2655,6 +3101,7 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (megasas_io_attach(instance))
goto fail_io_attach;
+ instance->unload = 0;
return 0;
fail_start_aen:
@@ -2778,12 +3225,23 @@ megasas_suspend(struct pci_dev *pdev, pm_message_t state)
instance = pci_get_drvdata(pdev);
host = instance->host;
+ instance->unload = 1;
if (poll_mode_io)
del_timer_sync(&instance->io_completion_timer);
megasas_flush_cache(instance);
megasas_shutdown_controller(instance, MR_DCMD_HIBERNATE_SHUTDOWN);
+
+ /* cancel the delayed work if this work still in queue */
+ if (instance->ev != NULL) {
+ struct megasas_aen_event *ev = instance->ev;
+ cancel_delayed_work(
+ (struct delayed_work *)&ev->hotplug_work);
+ flush_scheduled_work();
+ instance->ev = NULL;
+ }
+
tasklet_kill(&instance->isr_tasklet);
pci_set_drvdata(instance->pdev, instance);
@@ -2873,6 +3331,8 @@ megasas_resume(struct pci_dev *pdev)
megasas_start_timer(instance, &instance->io_completion_timer,
megasas_io_completion_timer,
MEGASAS_COMPLETION_TIMER_INTERVAL);
+ instance->unload = 0;
+
return 0;
fail_irq:
@@ -2913,6 +3373,7 @@ static void __devexit megasas_detach_one(struct pci_dev *pdev)
struct megasas_instance *instance;
instance = pci_get_drvdata(pdev);
+ instance->unload = 1;
host = instance->host;
if (poll_mode_io)
@@ -2921,6 +3382,16 @@ static void __devexit megasas_detach_one(struct pci_dev *pdev)
scsi_remove_host(instance->host);
megasas_flush_cache(instance);
megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN);
+
+ /* cancel the delayed work if this work still in queue*/
+ if (instance->ev != NULL) {
+ struct megasas_aen_event *ev = instance->ev;
+ cancel_delayed_work(
+ (struct delayed_work *)&ev->hotplug_work);
+ flush_scheduled_work();
+ instance->ev = NULL;
+ }
+
tasklet_kill(&instance->isr_tasklet);
/*
@@ -2969,6 +3440,7 @@ static void __devexit megasas_detach_one(struct pci_dev *pdev)
static void megasas_shutdown(struct pci_dev *pdev)
{
struct megasas_instance *instance = pci_get_drvdata(pdev);
+ instance->unload = 1;
megasas_flush_cache(instance);
megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN);
}
@@ -3016,6 +3488,23 @@ static int megasas_mgmt_fasync(int fd, struct file *filep, int mode)
}
/**
+ * megasas_mgmt_poll - char node "poll" entry point
+ * */
+static unsigned int megasas_mgmt_poll(struct file *file, poll_table *wait)
+{
+ unsigned int mask;
+ unsigned long flags;
+ poll_wait(file, &megasas_poll_wait, wait);
+ spin_lock_irqsave(&poll_aen_lock, flags);
+ if (megasas_poll_wait_aen)
+ mask = (POLLIN | POLLRDNORM);
+ else
+ mask = 0;
+ spin_unlock_irqrestore(&poll_aen_lock, flags);
+ return mask;
+}
+
+/**
* megasas_mgmt_fw_ioctl - Issues management ioctls to FW
* @instance: Adapter soft state
* @argp: User's ioctl packet
@@ -3032,7 +3521,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
int error = 0, i;
void *sense = NULL;
dma_addr_t sense_handle;
- u32 *sense_ptr;
+ unsigned long *sense_ptr;
memset(kbuff_arr, 0, sizeof(kbuff_arr));
@@ -3056,6 +3545,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
*/
memcpy(cmd->frame, ioc->frame.raw, 2 * MEGAMFI_FRAME_SIZE);
cmd->frame->hdr.context = cmd->index;
+ cmd->frame->hdr.pad_0 = 0;
/*
* The management interface between applications and the fw uses
@@ -3109,7 +3599,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
}
sense_ptr =
- (u32 *) ((unsigned long)cmd->frame + ioc->sense_off);
+ (unsigned long *) ((unsigned long)cmd->frame + ioc->sense_off);
*sense_ptr = sense_handle;
}
@@ -3140,8 +3630,8 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
* sense_ptr points to the location that has the user
* sense buffer address
*/
- sense_ptr = (u32 *) ((unsigned long)ioc->frame.raw +
- ioc->sense_off);
+ sense_ptr = (unsigned long *) ((unsigned long)ioc->frame.raw +
+ ioc->sense_off);
if (copy_to_user((void __user *)((unsigned long)(*sense_ptr)),
sense, ioc->sense_len)) {
@@ -3177,20 +3667,6 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
return error;
}
-static struct megasas_instance *megasas_lookup_instance(u16 host_no)
-{
- int i;
-
- for (i = 0; i < megasas_mgmt_info.max_index; i++) {
-
- if ((megasas_mgmt_info.instance[i]) &&
- (megasas_mgmt_info.instance[i]->host->host_no == host_no))
- return megasas_mgmt_info.instance[i];
- }
-
- return NULL;
-}
-
static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg)
{
struct megasas_iocpacket __user *user_ioc =
@@ -3214,6 +3690,17 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg)
goto out_kfree_ioc;
}
+ if (instance->hw_crit_error == 1) {
+ printk(KERN_DEBUG "Controller in Crit ERROR\n");
+ error = -ENODEV;
+ goto out_kfree_ioc;
+ }
+
+ if (instance->unload == 1) {
+ error = -ENODEV;
+ goto out_kfree_ioc;
+ }
+
/*
* We will allow only MEGASAS_INT_CMDS number of parallel ioctl cmds
*/
@@ -3249,6 +3736,14 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg)
if (!instance)
return -ENODEV;
+ if (instance->hw_crit_error == 1) {
+ error = -ENODEV;
+ }
+
+ if (instance->unload == 1) {
+ return -ENODEV;
+ }
+
mutex_lock(&instance->aen_mutex);
error = megasas_register_aen(instance, aen.seq_num,
aen.class_locale_word);
@@ -3337,6 +3832,7 @@ static const struct file_operations megasas_mgmt_fops = {
.open = megasas_mgmt_open,
.fasync = megasas_mgmt_fasync,
.unlocked_ioctl = megasas_mgmt_ioctl,
+ .poll = megasas_mgmt_poll,
#ifdef CONFIG_COMPAT
.compat_ioctl = megasas_mgmt_compat_ioctl,
#endif
@@ -3378,6 +3874,15 @@ static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date,
NULL);
static ssize_t
+megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf)
+{
+ return sprintf(buf, "%u\n", support_poll_for_event);
+}
+
+static DRIVER_ATTR(support_poll_for_event, S_IRUGO,
+ megasas_sysfs_show_support_poll_for_event, NULL);
+
+static ssize_t
megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf)
{
return sprintf(buf, "%u\n", megasas_dbg_lvl);
@@ -3451,6 +3956,92 @@ out:
return retval;
}
+static void
+megasas_aen_polling(struct work_struct *work)
+{
+ struct megasas_aen_event *ev =
+ container_of(work, struct megasas_aen_event, hotplug_work);
+ struct megasas_instance *instance = ev->instance;
+ union megasas_evt_class_locale class_locale;
+ struct Scsi_Host *host;
+ struct scsi_device *sdev1;
+ u16 pd_index = 0;
+ int i, j, doscan = 0;
+ u32 seq_num;
+ int error;
+
+ if (!instance) {
+ printk(KERN_ERR "invalid instance!\n");
+ kfree(ev);
+ return;
+ }
+ instance->ev = NULL;
+ host = instance->host;
+ if (instance->evt_detail) {
+
+ switch (instance->evt_detail->code) {
+ case MR_EVT_PD_INSERTED:
+ case MR_EVT_PD_REMOVED:
+ case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED:
+ doscan = 1;
+ break;
+ default:
+ doscan = 0;
+ break;
+ }
+ } else {
+ printk(KERN_ERR "invalid evt_detail!\n");
+ kfree(ev);
+ return;
+ }
+
+ if (doscan) {
+ printk(KERN_INFO "scanning ...\n");
+ megasas_get_pd_list(instance);
+ for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) {
+ for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) {
+ pd_index = i*MEGASAS_MAX_DEV_PER_CHANNEL + j;
+ sdev1 = scsi_device_lookup(host, i, j, 0);
+ if (instance->pd_list[pd_index].driveState ==
+ MR_PD_STATE_SYSTEM) {
+ if (!sdev1) {
+ scsi_add_device(host, i, j, 0);
+ }
+ if (sdev1)
+ scsi_device_put(sdev1);
+ } else {
+ if (sdev1) {
+ scsi_remove_device(sdev1);
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ }
+ }
+
+ if ( instance->aen_cmd != NULL ) {
+ kfree(ev);
+ return ;
+ }
+
+ seq_num = instance->evt_detail->seq_num + 1;
+
+ /* Register AEN with FW for latest sequence number plus 1 */
+ class_locale.members.reserved = 0;
+ class_locale.members.locale = MR_EVT_LOCALE_ALL;
+ class_locale.members.class = MR_EVT_CLASS_DEBUG;
+ mutex_lock(&instance->aen_mutex);
+ error = megasas_register_aen(instance, seq_num,
+ class_locale.word);
+ mutex_unlock(&instance->aen_mutex);
+
+ if (error)
+ printk(KERN_ERR "register aen failed error %x\n", error);
+
+ kfree(ev);
+}
+
+
static DRIVER_ATTR(poll_mode_io, S_IRUGO|S_IWUGO,
megasas_sysfs_show_poll_mode_io,
megasas_sysfs_set_poll_mode_io);
@@ -3468,6 +4059,8 @@ static int __init megasas_init(void)
printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION,
MEGASAS_EXT_VERSION);
+ support_poll_for_event = 2;
+
memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info));
/*
@@ -3500,6 +4093,12 @@ static int __init megasas_init(void)
&driver_attr_release_date);
if (rval)
goto err_dcf_rel_date;
+
+ rval = driver_create_file(&megasas_pci_driver.driver,
+ &driver_attr_support_poll_for_event);
+ if (rval)
+ goto err_dcf_support_poll_for_event;
+
rval = driver_create_file(&megasas_pci_driver.driver,
&driver_attr_dbg_lvl);
if (rval)
@@ -3516,7 +4115,12 @@ err_dcf_poll_mode_io:
&driver_attr_dbg_lvl);
err_dcf_dbg_lvl:
driver_remove_file(&megasas_pci_driver.driver,
+ &driver_attr_support_poll_for_event);
+
+err_dcf_support_poll_for_event:
+ driver_remove_file(&megasas_pci_driver.driver,
&driver_attr_release_date);
+
err_dcf_rel_date:
driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version);
err_dcf_attr_ver:
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 0d033248fdf1..72b28e436e32 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -18,9 +18,9 @@
/*
* MegaRAID SAS Driver meta data
*/
-#define MEGASAS_VERSION "00.00.04.01"
-#define MEGASAS_RELDATE "July 24, 2008"
-#define MEGASAS_EXT_VERSION "Thu July 24 11:41:51 PST 2008"
+#define MEGASAS_VERSION "00.00.04.12-rc1"
+#define MEGASAS_RELDATE "Sep. 17, 2009"
+#define MEGASAS_EXT_VERSION "Thu Sep. 17 11:41:51 PST 2009"
/*
* Device IDs
@@ -30,6 +30,8 @@
#define PCI_DEVICE_ID_LSI_VERDE_ZCR 0x0413
#define PCI_DEVICE_ID_LSI_SAS1078GEN2 0x0078
#define PCI_DEVICE_ID_LSI_SAS0079GEN2 0x0079
+#define PCI_DEVICE_ID_LSI_SAS0073SKINNY 0x0073
+#define PCI_DEVICE_ID_LSI_SAS0071SKINNY 0x0071
/*
* =====================================
@@ -94,6 +96,7 @@
#define MFI_FRAME_DIR_WRITE 0x0008
#define MFI_FRAME_DIR_READ 0x0010
#define MFI_FRAME_DIR_BOTH 0x0018
+#define MFI_FRAME_IEEE 0x0020
/*
* Definition for cmd_status
@@ -131,6 +134,7 @@
#define MR_DCMD_CLUSTER 0x08000000
#define MR_DCMD_CLUSTER_RESET_ALL 0x08010100
#define MR_DCMD_CLUSTER_RESET_LD 0x08010200
+#define MR_DCMD_PD_LIST_QUERY 0x02010100
/*
* MFI command completion codes
@@ -251,9 +255,100 @@ enum MR_EVT_ARGS {
MR_EVT_ARGS_STR,
MR_EVT_ARGS_TIME,
MR_EVT_ARGS_ECC,
+ MR_EVT_ARGS_LD_PROP,
+ MR_EVT_ARGS_PD_SPARE,
+ MR_EVT_ARGS_PD_INDEX,
+ MR_EVT_ARGS_DIAG_PASS,
+ MR_EVT_ARGS_DIAG_FAIL,
+ MR_EVT_ARGS_PD_LBA_LBA,
+ MR_EVT_ARGS_PORT_PHY,
+ MR_EVT_ARGS_PD_MISSING,
+ MR_EVT_ARGS_PD_ADDRESS,
+ MR_EVT_ARGS_BITMAP,
+ MR_EVT_ARGS_CONNECTOR,
+ MR_EVT_ARGS_PD_PD,
+ MR_EVT_ARGS_PD_FRU,
+ MR_EVT_ARGS_PD_PATHINFO,
+ MR_EVT_ARGS_PD_POWER_STATE,
+ MR_EVT_ARGS_GENERIC,
+};
+/*
+ * define constants for device list query options
+ */
+enum MR_PD_QUERY_TYPE {
+ MR_PD_QUERY_TYPE_ALL = 0,
+ MR_PD_QUERY_TYPE_STATE = 1,
+ MR_PD_QUERY_TYPE_POWER_STATE = 2,
+ MR_PD_QUERY_TYPE_MEDIA_TYPE = 3,
+ MR_PD_QUERY_TYPE_SPEED = 4,
+ MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5,
};
+#define MR_EVT_CFG_CLEARED 0x0004
+#define MR_EVT_LD_STATE_CHANGE 0x0051
+#define MR_EVT_PD_INSERTED 0x005b
+#define MR_EVT_PD_REMOVED 0x0070
+#define MR_EVT_LD_CREATED 0x008a
+#define MR_EVT_LD_DELETED 0x008b
+#define MR_EVT_FOREIGN_CFG_IMPORTED 0x00db
+#define MR_EVT_LD_OFFLINE 0x00fc
+#define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED 0x0152
+#define MAX_LOGICAL_DRIVES 64
+
+enum MR_PD_STATE {
+ MR_PD_STATE_UNCONFIGURED_GOOD = 0x00,
+ MR_PD_STATE_UNCONFIGURED_BAD = 0x01,
+ MR_PD_STATE_HOT_SPARE = 0x02,
+ MR_PD_STATE_OFFLINE = 0x10,
+ MR_PD_STATE_FAILED = 0x11,
+ MR_PD_STATE_REBUILD = 0x14,
+ MR_PD_STATE_ONLINE = 0x18,
+ MR_PD_STATE_COPYBACK = 0x20,
+ MR_PD_STATE_SYSTEM = 0x40,
+ };
+
+
+ /*
+ * defines the physical drive address structure
+ */
+struct MR_PD_ADDRESS {
+ u16 deviceId;
+ u16 enclDeviceId;
+
+ union {
+ struct {
+ u8 enclIndex;
+ u8 slotNumber;
+ } mrPdAddress;
+ struct {
+ u8 enclPosition;
+ u8 enclConnectorIndex;
+ } mrEnclAddress;
+ };
+ u8 scsiDevType;
+ union {
+ u8 connectedPortBitmap;
+ u8 connectedPortNumbers;
+ };
+ u64 sasAddr[2];
+} __packed;
+
+/*
+ * defines the physical drive list structure
+ */
+struct MR_PD_LIST {
+ u32 size;
+ u32 count;
+ struct MR_PD_ADDRESS addr[1];
+} __packed;
+
+struct megasas_pd_list {
+ u16 tid;
+ u8 driveType;
+ u8 driveState;
+} __packed;
+
/*
* SAS controller properties
*/
@@ -282,7 +377,7 @@ struct megasas_ctrl_prop {
u8 expose_encl_devices;
u8 reserved[38];
-} __attribute__ ((packed));
+} __packed;
/*
* SAS controller information
@@ -525,7 +620,7 @@ struct megasas_ctrl_info {
u8 pad[0x800 - 0x6a0];
-} __attribute__ ((packed));
+} __packed;
/*
* ===============================
@@ -540,6 +635,8 @@ struct megasas_ctrl_info {
#define MEGASAS_DEFAULT_INIT_ID -1
#define MEGASAS_MAX_LUN 8
#define MEGASAS_MAX_LD 64
+#define MEGASAS_MAX_PD (MEGASAS_MAX_PD_CHANNELS * \
+ MEGASAS_MAX_DEV_PER_CHANNEL)
#define MEGASAS_DBG_LVL 1
@@ -570,6 +667,7 @@ struct megasas_ctrl_info {
* is shown below
*/
#define MEGASAS_INT_CMDS 32
+#define MEGASAS_SKINNY_INT_CMDS 5
/*
* FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
@@ -584,6 +682,8 @@ struct megasas_ctrl_info {
#define MFI_REPLY_1078_MESSAGE_INTERRUPT 0x80000000
#define MFI_REPLY_GEN2_MESSAGE_INTERRUPT 0x00000001
#define MFI_GEN2_ENABLE_INTERRUPT_MASK (0x00000001 | 0x00000004)
+#define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT 0x40000000
+#define MFI_SKINNY_ENABLE_INTERRUPT_MASK (0x00000001)
/*
* register set for both 1068 and 1078 controllers
@@ -644,10 +744,17 @@ struct megasas_sge64 {
} __attribute__ ((packed));
+struct megasas_sge_skinny {
+ u64 phys_addr;
+ u32 length;
+ u32 flag;
+} __packed;
+
union megasas_sgl {
struct megasas_sge32 sge32[1];
struct megasas_sge64 sge64[1];
+ struct megasas_sge_skinny sge_skinny[1];
} __attribute__ ((packed));
@@ -1061,16 +1168,10 @@ struct megasas_evt_detail {
} __attribute__ ((packed));
- struct megasas_instance_template {
- void (*fire_cmd)(dma_addr_t ,u32 ,struct megasas_register_set __iomem *);
-
- void (*enable_intr)(struct megasas_register_set __iomem *) ;
- void (*disable_intr)(struct megasas_register_set __iomem *);
-
- int (*clear_intr)(struct megasas_register_set __iomem *);
-
- u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
- };
+struct megasas_aen_event {
+ struct work_struct hotplug_work;
+ struct megasas_instance *instance;
+};
struct megasas_instance {
@@ -1085,17 +1186,21 @@ struct megasas_instance {
unsigned long base_addr;
struct megasas_register_set __iomem *reg_set;
+ struct megasas_pd_list pd_list[MEGASAS_MAX_PD];
s8 init_id;
u16 max_num_sge;
u16 max_fw_cmds;
u32 max_sectors_per_req;
+ struct megasas_aen_event *ev;
struct megasas_cmd **cmd_list;
struct list_head cmd_pool;
spinlock_t cmd_pool_lock;
/* used to synch producer, consumer ptrs in dpc */
spinlock_t completion_lock;
+ /* used to sync fire the cmd to fw */
+ spinlock_t fire_lock;
struct dma_pool *frame_dma_pool;
struct dma_pool *sense_dma_pool;
@@ -1120,11 +1225,25 @@ struct megasas_instance {
struct tasklet_struct isr_tasklet;
u8 flag;
+ u8 unload;
+ u8 flag_ieee;
unsigned long last_time;
struct timer_list io_completion_timer;
};
+struct megasas_instance_template {
+ void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
+ u32, struct megasas_register_set __iomem *);
+
+ void (*enable_intr)(struct megasas_register_set __iomem *) ;
+ void (*disable_intr)(struct megasas_register_set __iomem *);
+
+ int (*clear_intr)(struct megasas_register_set __iomem *);
+
+ u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
+};
+
#define MEGASAS_IS_LOGICAL(scp) \
(scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index fbcb82a2f7f4..21e2bc4d7401 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1654,7 +1654,8 @@ qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
}
- if (scsi_add_host(vha->host, &fc_vport->dev)) {
+ if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
+ &ha->pdev->dev)) {
DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n",
vha->host_no, vha->vp_idx));
goto vport_create_failed_2;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 921054da9b9b..2f90635e5aae 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -727,23 +727,6 @@ qla2x00_abort_fcport_cmds(fc_port_t *fcport)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
-static void
-qla2x00_block_error_handler(struct scsi_cmnd *cmnd)
-{
- struct Scsi_Host *shost = cmnd->device->host;
- struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
- unsigned long flags;
-
- spin_lock_irqsave(shost->host_lock, flags);
- while (rport->port_state == FC_PORTSTATE_BLOCKED) {
- spin_unlock_irqrestore(shost->host_lock, flags);
- msleep(1000);
- spin_lock_irqsave(shost->host_lock, flags);
- }
- spin_unlock_irqrestore(shost->host_lock, flags);
- return;
-}
-
/**************************************************************************
* qla2xxx_eh_abort
*
@@ -773,7 +756,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
struct req_que *req = vha->req;
srb_t *spt;
- qla2x00_block_error_handler(cmd);
+ fc_block_scsi_eh(cmd);
if (!CMD_SP(cmd))
return SUCCESS;
@@ -904,7 +887,7 @@ __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
int err;
- qla2x00_block_error_handler(cmd);
+ fc_block_scsi_eh(cmd);
if (!fcport)
return FAILED;
@@ -984,7 +967,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
unsigned long serial;
srb_t *sp = (srb_t *) CMD_SP(cmd);
- qla2x00_block_error_handler(cmd);
+ fc_block_scsi_eh(cmd);
id = cmd->device->id;
lun = cmd->device->lun;
@@ -1047,7 +1030,7 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
srb_t *sp = (srb_t *) CMD_SP(cmd);
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
- qla2x00_block_error_handler(cmd);
+ fc_block_scsi_eh(cmd);
id = cmd->device->id;
lun = cmd->device->lun;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index c63220d850a7..f35ca7a27afc 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1618,7 +1618,7 @@ struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost,
request_fn_proc *request_fn)
{
struct request_queue *q;
- struct device *dev = dev_to_nonscsi_dev(shost->shost_gendev.parent);
+ struct device *dev = shost->shost_gendev.parent;
q = blk_init_queue(request_fn, NULL);
if (!q)
diff --git a/drivers/scsi/scsi_lib_dma.c b/drivers/scsi/scsi_lib_dma.c
index 567cdbcb88c6..dcd128583b89 100644
--- a/drivers/scsi/scsi_lib_dma.c
+++ b/drivers/scsi/scsi_lib_dma.c
@@ -23,8 +23,7 @@ int scsi_dma_map(struct scsi_cmnd *cmd)
int nseg = 0;
if (scsi_sg_count(cmd)) {
- struct device *dev = dev_to_nonscsi_dev(
- cmd->device->host->shost_gendev.parent);
+ struct device *dev = cmd->device->host->dma_dev;
nseg = dma_map_sg(dev, scsi_sglist(cmd), scsi_sg_count(cmd),
cmd->sc_data_direction);
@@ -42,12 +41,10 @@ EXPORT_SYMBOL(scsi_dma_map);
void scsi_dma_unmap(struct scsi_cmnd *cmd)
{
if (scsi_sg_count(cmd)) {
- struct device *dev = dev_to_nonscsi_dev(
- cmd->device->host->shost_gendev.parent);
+ struct device *dev = cmd->device->host->dma_dev;
dma_unmap_sg(dev, scsi_sglist(cmd), scsi_sg_count(cmd),
cmd->sc_data_direction);
}
}
EXPORT_SYMBOL(scsi_dma_unmap);
-
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 1004684b5a56..e3a9466ff2be 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -27,6 +27,7 @@
*/
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/delay.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport.h>
@@ -3128,6 +3129,31 @@ fc_scsi_scan_rport(struct work_struct *work)
spin_unlock_irqrestore(shost->host_lock, flags);
}
+/**
+ * fc_block_scsi_eh - Block SCSI eh thread for blocked fc_rport
+ * @cmnd: SCSI command that scsi_eh is trying to recover
+ *
+ * This routine can be called from a FC LLD scsi_eh callback. It
+ * blocks the scsi_eh thread until the fc_rport leaves the
+ * FC_PORTSTATE_BLOCKED. This is necessary to avoid the scsi_eh
+ * failing recovery actions for blocked rports which would lead to
+ * offlined SCSI devices.
+ */
+void fc_block_scsi_eh(struct scsi_cmnd *cmnd)
+{
+ struct Scsi_Host *shost = cmnd->device->host;
+ struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device));
+ unsigned long flags;
+
+ spin_lock_irqsave(shost->host_lock, flags);
+ while (rport->port_state == FC_PORTSTATE_BLOCKED) {
+ spin_unlock_irqrestore(shost->host_lock, flags);
+ msleep(1000);
+ spin_lock_irqsave(shost->host_lock, flags);
+ }
+ spin_unlock_irqrestore(shost->host_lock, flags);
+}
+EXPORT_SYMBOL(fc_block_scsi_eh);
/**
* fc_vport_setup - allocates and creates a FC virtual port.
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 391e1d944704..4db5eecc0d1e 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -614,8 +614,8 @@ qh_completions_kdb(struct ehci_hcd *ehci, struct ehci_qh *qh, struct urb *kdburb
qtd = list_entry (entry, struct ehci_qtd, qtd_list);
urb = qtd->urb;
- if (urb != kdburb)
- continue;
+ if (urb != kdburb)
+ continue;
/* clean up any state from previous QTD ...*/
if (last) {
@@ -631,12 +631,12 @@ qh_completions_kdb(struct ehci_hcd *ehci, struct ehci_qh *qh, struct urb *kdburb
ehci_urb_done(ehci, last->urb, last_status);
- /*
- * ehci_urb_done() releases and reacquires
+ /*
+ * ehci_urb_done() releases and reacquires
* ehci->lock, so release it here.
- */
- if (spin_is_locked(&ehci->lock))
- spin_unlock (&ehci->lock);
+ */
+ if (spin_is_locked(&ehci->lock))
+ spin_unlock (&ehci->lock);
count++;
}
@@ -748,8 +748,8 @@ halt:
* ehci_urb_done() releases and reacquires
* ehci->lock, so release it here.
*/
- if (spin_is_locked(&ehci->lock))
- spin_unlock (&ehci->lock);
+ if (spin_is_locked(&ehci->lock))
+ spin_unlock (&ehci->lock);
count++;
ehci_qtd_free (ehci, last);
diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c
index 50042552f9c3..dc23e84d8084 100644
--- a/drivers/usb/host/ohci-q.c
+++ b/drivers/usb/host/ohci-q.c
@@ -1143,7 +1143,7 @@ dl_done_list_kdb (struct ohci_hcd *ohci, struct urb *kdburb)
{
struct td *td = dl_reverse_done_list (ohci);
- while (td) {
+ while (td) {
struct td *td_next = td->next_dl_td;
struct urb *urb = td->urb;
urb_priv_t *urb_priv = urb->hcpriv;
@@ -1155,11 +1155,11 @@ dl_done_list_kdb (struct ohci_hcd *ohci, struct urb *kdburb)
}
/* update URB's length and status from TD */
- td_done (ohci, urb, td);
- urb_priv->td_cnt++;
+ td_done (ohci, urb, td);
+ urb_priv->td_cnt++;
/* If all this urb's TDs are done, just resubmit it */
- if (urb_priv->td_cnt == urb_priv->length) {
+ if (urb_priv->td_cnt == urb_priv->length) {
urb->actual_length = 0;
urb->status = -EINPROGRESS;
td_submit_urb (ohci, urb);
@@ -1174,7 +1174,7 @@ dl_done_list_kdb (struct ohci_hcd *ohci, struct urb *kdburb)
} else if ((ed->hwINFO & cpu_to_hc32 (ohci, ED_SKIP | ED_DEQUEUE))
== cpu_to_hc32 (ohci, ED_SKIP)) {
td = list_entry (ed->td_list.next, struct td, td_list);
- if (!(td->hwINFO & cpu_to_hc32 (ohci, TD_DONE))) {
+ if (!(td->hwINFO & cpu_to_hc32 (ohci, TD_DONE))) {
ed->hwINFO &= ~cpu_to_hc32 (ohci, ED_SKIP);
/* ... hc may need waking-up */
switch (ed->type) {
@@ -1190,8 +1190,8 @@ dl_done_list_kdb (struct ohci_hcd *ohci, struct urb *kdburb)
}
}
- td = td_next;
- }
+ td = td_next;
+ }
}
#endif /* CONFIG_KDB_USB */
diff --git a/fs/attr.c b/fs/attr.c
index 96d394bdaddf..3554042c1dc9 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -82,7 +82,7 @@ int inode_newsize_ok(const struct inode *inode, loff_t offset)
if (inode->i_size < offset) {
unsigned long limit;
- limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur;
+ limit = rlim_get_cur(RLIMIT_FSIZE);
if (limit != RLIM_INFINITY && offset > limit)
goto out_sig;
if (offset > inode->i_sb->s_maxbytes)
diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index b639dcf7c778..dc3f31654fd1 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -246,7 +246,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
* size limits imposed on them by creating programs with large
* arrays in the data or bss.
*/
- rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
+ rlim = rlim_get_cur(RLIMIT_DATA);
if (rlim >= RLIM_INFINITY)
rlim = ~0;
if (ex.a_data + ex.a_bss > rlim)
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index a2796651e756..0161f3cf62e7 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -501,7 +501,7 @@ static int load_flat_file(struct linux_binprm * bprm,
* size limits imposed on them by creating programs with large
* arrays in the data or bss.
*/
- rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
+ rlim = rlim_get_cur(RLIMIT_DATA);
if (rlim >= RLIM_INFINITY)
rlim = ~0;
if (data_len + bss_len > rlim) {
diff --git a/fs/exec.c b/fs/exec.c
index c09b872088b3..dd113467e315 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -196,7 +196,7 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
* to work from.
*/
rlim = current->signal->rlim;
- if (size > rlim[RLIMIT_STACK].rlim_cur / 4) {
+ if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur) / 4) {
put_page(page);
return NULL;
}
@@ -575,7 +575,7 @@ int setup_arg_pages(struct linux_binprm *bprm,
#ifdef CONFIG_STACK_GROWSUP
/* Limit stack size to 1GB */
- stack_base = current->signal->rlim[RLIMIT_STACK].rlim_max;
+ stack_base = rlim_get_max(RLIMIT_STACK);
if (stack_base > (1 << 30))
stack_base = 1 << 30;
@@ -1509,7 +1509,7 @@ static int format_corename(char *corename, long signr)
/* core limit size */
case 'c':
rc = snprintf(out_ptr, out_end - out_ptr,
- "%lu", current->signal->rlim[RLIMIT_CORE].rlim_cur);
+ "%lu", rlim_get_cur(RLIMIT_CORE));
if (rc > out_end - out_ptr)
goto out;
out_ptr += rc;
@@ -1768,7 +1768,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
int retval = 0;
int flag = 0;
int ispipe = 0;
- unsigned long core_limit = current->signal->rlim[RLIMIT_CORE].rlim_cur;
+ unsigned long core_limit = rlim_get_cur(RLIMIT_CORE);
char **helper_argv = NULL;
int helper_argc = 0;
int dump_count = 0;
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 2cf93ec40a67..8dd4b4f1f22f 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -344,7 +344,7 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,
switch (cmd) {
case F_DUPFD:
case F_DUPFD_CLOEXEC:
- if (arg >= current->signal->rlim[RLIMIT_NOFILE].rlim_cur)
+ if (arg >= rlim_get_cur(RLIMIT_NOFILE))
break;
err = alloc_fd(arg, cmd == F_DUPFD_CLOEXEC ? O_CLOEXEC : 0);
if (err >= 0) {
diff --git a/fs/file.c b/fs/file.c
index 87e129030ab1..0a472ff70c98 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -257,7 +257,7 @@ int expand_files(struct files_struct *files, int nr)
* N.B. For clone tasks sharing a files structure, this test
* will limit the total number of files that can be opened.
*/
- if (nr >= current->signal->rlim[RLIMIT_NOFILE].rlim_cur)
+ if (nr >= rlim_get_cur(RLIMIT_NOFILE))
return -EMFILE;
/* Do we need to expand? */
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 9d5360c4c2af..d42f63438751 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1280,3 +1280,57 @@ int sync_inode(struct inode *inode, struct writeback_control *wbc)
return ret;
}
EXPORT_SYMBOL(sync_inode);
+
+/**
+ * generic_osync_inode - flush all dirty data for a given inode to disk
+ * @inode: inode to write
+ * @mapping: the address_space that should be flushed
+ * @what: what to write and wait upon
+ *
+ * This can be called by file_write functions for files which have the
+ * O_SYNC flag set, to flush dirty writes to disk.
+ *
+ * @what is a bitmask, specifying which part of the inode's data should be
+ * written and waited upon.
+ *
+ * OSYNC_DATA: i_mapping's dirty data
+ * OSYNC_METADATA: the buffers at i_mapping->private_list
+ * OSYNC_INODE: the inode itself
+ */
+
+int generic_osync_inode(struct inode *inode, struct address_space *mapping, int what)
+{
+ int err = 0;
+ int need_write_inode_now = 0;
+ int err2;
+
+ if (what & OSYNC_DATA)
+ err = filemap_fdatawrite(mapping);
+ if (what & (OSYNC_METADATA|OSYNC_DATA)) {
+ err2 = sync_mapping_buffers(mapping);
+ if (!err)
+ err = err2;
+ }
+ if (what & OSYNC_DATA) {
+ err2 = filemap_fdatawait(mapping);
+ if (!err)
+ err = err2;
+ }
+
+ spin_lock(&inode_lock);
+ if ((inode->i_state & I_DIRTY) &&
+ ((what & OSYNC_INODE) || (inode->i_state & I_DIRTY_DATASYNC)))
+ need_write_inode_now = 1;
+ spin_unlock(&inode_lock);
+
+ if (need_write_inode_now) {
+ err2 = write_inode_now(inode, 1);
+ if (!err)
+ err = err2;
+ }
+ else
+ inode_sync_wait(inode);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(generic_osync_inode);
diff --git a/fs/ocfs2/reservations.h b/fs/ocfs2/reservations.h
index 10d13de3e9c2..f4b9cc39fc72 100644
--- a/fs/ocfs2/reservations.h
+++ b/fs/ocfs2/reservations.h
@@ -87,7 +87,7 @@ int ocfs2_resmap_init(struct ocfs2_super *osb,
*
* Re-initialize the parameters of a reservation bitmap. This is
* useful for local alloc window slides.
- *
+ *
* If any bitmap parameters have changed, this function will call
* ocfs2_trunc_resv against all existing reservations. A future
* version will recalculate existing reservations based on the new
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 9069c91b3573..3fe444ea0d53 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -269,7 +269,7 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p)
collect_sigign_sigcatch(p, &ignored, &caught);
num_threads = atomic_read(&p->signal->count);
qsize = atomic_read(&__task_cred(p)->user->sigpending);
- qlim = p->signal->rlim[RLIMIT_SIGPENDING].rlim_cur;
+ qlim = task_rlim_get_cur(p, RLIMIT_SIGPENDING);
unlock_task_sighand(p, &flags);
}
@@ -494,7 +494,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
cutime = sig->cutime;
cstime = sig->cstime;
cgtime = sig->cgtime;
- rsslim = sig->rlim[RLIMIT_RSS].rlim_cur;
+ rsslim = ACCESS_ONCE(sig->rlim[RLIMIT_RSS].rlim_cur);
/* add up live thread stats at the group level */
if (whole) {
diff --git a/fs/proc/base.c b/fs/proc/base.c
index af643b5aefe8..c6589fb4d071 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -128,6 +128,8 @@ struct pid_entry {
NULL, &proc_single_file_operations, \
{ .proc_show = show } )
+static ssize_t proc_info_read(struct file * file, char __user * buf,
+ size_t count, loff_t *ppos);
/*
* Count the number of hardlinks for the pid_entry table, excluding the .
* and .. links.
@@ -521,6 +523,74 @@ static int proc_pid_limits(struct task_struct *task, char *buffer)
return count;
}
+static ssize_t limits_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+ char str[32 + 1 + 16 + 1 + 16 + 1], *delim, *next;
+ struct rlimit new_rlimit;
+ unsigned int i;
+ int ret;
+
+ if (!task) {
+ count = -ESRCH;
+ goto out;
+ }
+ if (copy_from_user(str, buf, min(count, sizeof(str) - 1))) {
+ count = -EFAULT;
+ goto put_task;
+ }
+
+ str[min(count, sizeof(str) - 1)] = 0;
+
+ delim = strchr(str, '=');
+ if (!delim) {
+ count = -EINVAL;
+ goto put_task;
+ }
+ *delim++ = 0; /* for easy 'str' usage */
+ new_rlimit.rlim_cur = simple_strtoul(delim, &next, 0);
+ if (*next != ':') {
+ if (strncmp(delim, "unlimited:", 10)) {
+ count = -EINVAL;
+ goto put_task;
+ }
+ new_rlimit.rlim_cur = RLIM_INFINITY;
+ next = delim + 9; /* move to ':' */
+ }
+ delim = next + 1;
+ new_rlimit.rlim_max = simple_strtoul(delim, &next, 0);
+ if (*next != 0) {
+ if (strcmp(delim, "unlimited")) {
+ count = -EINVAL;
+ goto put_task;
+ }
+ new_rlimit.rlim_max = RLIM_INFINITY;
+ }
+
+ for (i = 0; i < RLIM_NLIMITS; i++)
+ if (!strcmp(str, lnames[i].name))
+ break;
+ if (i >= RLIM_NLIMITS) {
+ count = -EINVAL;
+ goto put_task;
+ }
+
+ ret = do_setrlimit(task, i, &new_rlimit);
+ if (ret)
+ count = ret;
+
+put_task:
+ put_task_struct(task);
+out:
+ return count;
+}
+
+static const struct file_operations proc_pid_limits_operations = {
+ .read = proc_info_read,
+ .write = limits_write,
+};
+
#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
static int proc_pid_syscall(struct task_struct *task, char *buffer)
{
@@ -2500,7 +2570,9 @@ static const struct pid_entry tgid_base_stuff[] = {
INF("auxv", S_IRUSR, proc_pid_auxv),
ONE("status", S_IRUGO, proc_pid_status),
ONE("personality", S_IRUSR, proc_pid_personality),
- INF("limits", S_IRUSR, proc_pid_limits),
+ NOD("limits", S_IFREG|S_IRUSR|S_IWUSR, NULL,
+ &proc_pid_limits_operations,
+ { .proc_read = proc_pid_limits }),
#ifdef CONFIG_SCHED_DEBUG
REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations),
#endif
@@ -2834,7 +2906,9 @@ static const struct pid_entry tid_base_stuff[] = {
INF("auxv", S_IRUSR, proc_pid_auxv),
ONE("status", S_IRUGO, proc_pid_status),
ONE("personality", S_IRUSR, proc_pid_personality),
- INF("limits", S_IRUSR, proc_pid_limits),
+ NOD("limits", S_IFREG|S_IRUSR|S_IWUSR, NULL,
+ &proc_pid_limits_operations,
+ { .proc_read = proc_pid_limits }),
#ifdef CONFIG_SCHED_DEBUG
REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations),
#endif
diff --git a/fs/select.c b/fs/select.c
index fd38ce2e32e3..ab34a881a96f 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -821,7 +821,7 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,
struct poll_list *walk = head;
unsigned long todo = nfds;
- if (nfds > current->signal->rlim[RLIMIT_NOFILE].rlim_cur)
+ if (nfds > rlim_get_cur(RLIMIT_NOFILE))
return -EINVAL;
len = min_t(unsigned int, nfds, N_STACK_PPS);
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index d76b66acea95..950587d13669 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -622,9 +622,13 @@ __SYSCALL(__NR_move_pages, sys_move_pages)
__SYSCALL(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo)
#define __NR_perf_event_open 241
__SYSCALL(__NR_perf_event_open, sys_perf_event_open)
+#define __NR_getprlimit 242
+__SYSCALL(__NR_getprlimit, sys_getprlimit)
+#define __NR_setprlimit 243
+__SYSCALL(__NR_setprlimit, sys_setprlimit)
#undef __NR_syscalls
-#define __NR_syscalls 242
+#define __NR_syscalls 244
/*
* All syscalls below here should go away really,
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 7854971ca69b..8256fbd9b21f 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -761,7 +761,7 @@
#define EH_FRAME \
/* Unwind data binary search table */ \
. = ALIGN(8); \
- .eh_frame_hdr : AT(ADDR(.eh_frame_hdr) - LOAD_OFFSET) { \
+ .eh_frame_hdr : AT(ADDR(.eh_frame_hdr) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start_unwind_hdr) = .; \
*(.eh_frame_hdr) \
VMLINUX_SYMBOL(__end_unwind_hdr) = .; \
@@ -770,7 +770,7 @@
. = ALIGN(8); \
.eh_frame : AT(ADDR(.eh_frame) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start_unwind) = .; \
- *(.eh_frame) \
+ *(.eh_frame) \
VMLINUX_SYMBOL(__end_unwind) = .; \
}
#else
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 9b64b6d67873..2b31b91f5871 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -1,6 +1,13 @@
-#define PHY_BRCM_WIRESPEED_ENABLE 0x00000001
-#define PHY_BRCM_AUTO_PWRDWN_ENABLE 0x00000002
-#define PHY_BRCM_APD_CLK125_ENABLE 0x00000004
-#define PHY_BRCM_STD_IBND_DISABLE 0x00000008
-#define PHY_BRCM_EXT_IBND_RX_ENABLE 0x00000010
-#define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00000020
+#define PHY_BCM_FLAGS_MODE_COPPER 0x00000001
+#define PHY_BCM_FLAGS_MODE_1000BX 0x00000002
+#define PHY_BCM_FLAGS_INTF_SGMII 0x00000010
+#define PHY_BCM_FLAGS_INTF_XAUI 0x00000020
+#define PHY_BRCM_WIRESPEED_ENABLE 0x00000100
+#define PHY_BRCM_AUTO_PWRDWN_ENABLE 0x00000200
+#define PHY_BRCM_RX_REFCLK_UNUSED 0x00000400
+#define PHY_BRCM_STD_IBND_DISABLE 0x00000800
+#define PHY_BRCM_EXT_IBND_RX_ENABLE 0x00001000
+#define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000
+#define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000
+#define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000
+#define PHY_BCM_FLAGS_VALID 0x80000000
diff --git a/include/linux/dis-asm.h b/include/linux/dis-asm.h
index 8462fc958e0e..d49a8f02764d 100644
--- a/include/linux/dis-asm.h
+++ b/include/linux/dis-asm.h
@@ -205,7 +205,7 @@ typedef struct disassemble_info {
} disassemble_info;
-
+
/* Standard disassemblers. Disassemble one instruction at the given
target address. Return number of octets processed. */
typedef int (*disassembler_ftype) (bfd_vma, disassemble_info *);
@@ -300,7 +300,7 @@ extern void disassemble_init_for_target (struct disassemble_info * info);
/* Document any target specific options available from the disassembler. */
extern void disassembler_usage (FILE *);
-
+
/* This block of definitions is for particular callers who read instructions
into a buffer before calling the instruction decoder. */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 8031dda35fb8..536c7993b151 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1482,6 +1482,11 @@ int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags);
#define DT_SOCK 12
#define DT_WHT 14
+#define OSYNC_METADATA (1<<0)
+#define OSYNC_DATA (1<<1)
+#define OSYNC_INODE (1<<2)
+int generic_osync_inode(struct inode *, struct address_space *, int);
+
/*
* This is the "filldir" function type, used by readdir() to let
* the kernel specify what kind of dirent layout it wants to have.
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index 384ca8bbf1ac..962addc611dd 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -98,8 +98,6 @@ call_usermodehelper_keys(char *path, char **argv, char **envp,
return call_usermodehelper_exec(info, wait);
}
-extern void usermodehelper_init(void);
-
struct file;
extern int call_usermodehelper_pipe(char *path, char *argv[], char *envp[],
struct file **filp);
diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index 4f71bf4e628c..3e23844a6990 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -117,6 +117,6 @@ void set_process_cpu_timer(struct task_struct *task, unsigned int clock_idx,
long clock_nanosleep_restart(struct restart_block *restart_block);
-void update_rlimit_cpu(unsigned long rlim_new);
+void update_rlimit_cpu(struct task_struct *task, unsigned long rlim_new);
#endif
diff --git a/include/linux/resource.h b/include/linux/resource.h
index 40fc7e626082..08beb1aab482 100644
--- a/include/linux/resource.h
+++ b/include/linux/resource.h
@@ -71,5 +71,7 @@ struct rlimit {
#include <asm/resource.h>
int getrusage(struct task_struct *p, int who, struct rusage __user *ru);
+int do_setrlimit(struct task_struct *tsk, unsigned int resource,
+ struct rlimit *new_rlim);
#endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 3011a00848c2..ca8542b003df 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2584,6 +2584,28 @@ static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
}
#endif /* CONFIG_MM_OWNER */
+static inline unsigned long task_rlim_get_cur(const struct task_struct *tsk,
+ unsigned int limit)
+{
+ return ACCESS_ONCE(tsk->signal->rlim[limit].rlim_cur);
+}
+
+static inline unsigned long task_rlim_get_max(const struct task_struct *tsk,
+ unsigned int limit)
+{
+ return ACCESS_ONCE(tsk->signal->rlim[limit].rlim_max);
+}
+
+static inline unsigned long rlim_get_cur(unsigned int limit)
+{
+ return task_rlim_get_cur(current, limit);
+}
+
+static inline unsigned long rlim_get_max(unsigned int limit)
+{
+ return task_rlim_get_max(current, limit);
+}
+
#define TASK_STATE_TO_CHAR_STR "RSDTtZX"
#endif /* __KERNEL__ */
diff --git a/include/linux/security.h b/include/linux/security.h
index 239e40d0450b..193b3d9a1ddf 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1570,7 +1570,8 @@ struct security_operations {
int (*task_setnice) (struct task_struct *p, int nice);
int (*task_setioprio) (struct task_struct *p, int ioprio);
int (*task_getioprio) (struct task_struct *p);
- int (*task_setrlimit) (unsigned int resource, struct rlimit *new_rlim);
+ int (*task_setrlimit) (struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim);
int (*task_setscheduler) (struct task_struct *p, int policy,
struct sched_param *lp);
int (*task_getscheduler) (struct task_struct *p);
@@ -1835,7 +1836,8 @@ int security_task_setgroups(struct group_info *group_info);
int security_task_setnice(struct task_struct *p, int nice);
int security_task_setioprio(struct task_struct *p, int ioprio);
int security_task_getioprio(struct task_struct *p);
-int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim);
+int security_task_setrlimit(struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim);
int security_task_setscheduler(struct task_struct *p,
int policy, struct sched_param *lp);
int security_task_getscheduler(struct task_struct *p);
@@ -2451,7 +2453,8 @@ static inline int security_task_getioprio(struct task_struct *p)
return 0;
}
-static inline int security_task_setrlimit(unsigned int resource,
+static inline int security_task_setrlimit(struct task_struct *p,
+ unsigned int resource,
struct rlimit *new_rlim)
{
return 0;
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index f7966ec2a2a0..365df75d0bfb 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -709,11 +709,15 @@ asmlinkage long sys_newuname(struct new_utsname __user *name);
asmlinkage long sys_getrlimit(unsigned int resource,
struct rlimit __user *rlim);
+asmlinkage long sys_getprlimit(pid_t pid, unsigned int resource,
+ struct rlimit __user *rlim);
#if defined(COMPAT_RLIM_OLD_INFINITY) || !(defined(CONFIG_IA64))
asmlinkage long sys_old_getrlimit(unsigned int resource, struct rlimit __user *rlim);
#endif
asmlinkage long sys_setrlimit(unsigned int resource,
struct rlimit __user *rlim);
+asmlinkage long sys_setprlimit(pid_t pid, unsigned int resource,
+ struct rlimit __user *rlim);
asmlinkage long sys_getrusage(int who, struct rusage __user *ru);
asmlinkage long sys_umask(int mask);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 66ebddcff664..3676321d845b 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -148,6 +148,10 @@ int write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc, writepage_t writepage,
void *data);
int do_writepages(struct address_space *mapping, struct writeback_control *wbc);
+int sync_page_range(struct inode *inode, struct address_space *mapping,
+ loff_t pos, loff_t count);
+int sync_page_range_nolock(struct inode *inode, struct address_space *mapping,
+ loff_t pos, loff_t count);
void set_page_dirty_balance(struct page *page, int page_mkwrite);
void writeback_set_ratelimit(void);
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 3933d61c2c67..c50a97fc76f9 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -683,6 +683,12 @@ struct Scsi_Host {
void *shost_data;
/*
+ * Points to the physical bus device we'd use to do DMA
+ * Needed just in case we have virtual hosts.
+ */
+ struct device *dma_dev;
+
+ /*
* We should ensure that this is aligned, both for better performance
* and also because some compilers (m68k) don't automatically force
* alignment to a long boundary.
@@ -704,10 +710,6 @@ static inline void *shost_priv(struct Scsi_Host *shost)
int scsi_is_host_device(const struct device *);
-/*
- * walks object list backward, to find the first shost object.
- * Skips over transport objects that may not be stargets, etc
- */
static inline struct Scsi_Host *dev_to_shost(struct device *dev)
{
while (!scsi_is_host_device(dev)) {
@@ -718,26 +720,6 @@ static inline struct Scsi_Host *dev_to_shost(struct device *dev)
return container_of(dev, struct Scsi_Host, shost_gendev);
}
-/*
- * walks object list backward, to find the first physical
- * device object. If none is found return the original device.
- */
-static inline struct device *dev_to_nonscsi_dev(struct device *dev)
-{
- struct device *orig = dev;
-
- while (dev && (dev->bus == NULL || scsi_is_host_device(dev))) {
- if (dev->dma_parms) {
- dev_printk(KERN_WARNING, dev,
- "dma_parms set, bus %p\n",
- dev->bus);
- break;
- }
- dev = dev->parent;
- }
- return dev?dev:orig;
-}
-
static inline int scsi_host_in_recovery(struct Scsi_Host *shost)
{
return shost->shost_state == SHOST_RECOVERY ||
@@ -750,7 +732,9 @@ extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *);
extern void scsi_flush_work(struct Scsi_Host *);
extern struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *, int);
-extern int __must_check scsi_add_host(struct Scsi_Host *, struct device *);
+extern int __must_check scsi_add_host_with_dma(struct Scsi_Host *,
+ struct device *,
+ struct device *);
extern void scsi_scan_host(struct Scsi_Host *);
extern void scsi_rescan_device(struct device *);
extern void scsi_remove_host(struct Scsi_Host *);
@@ -761,6 +745,12 @@ extern const char *scsi_host_state_name(enum scsi_host_state);
extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *);
+static inline int __must_check scsi_add_host(struct Scsi_Host *host,
+ struct device *dev)
+{
+ return scsi_add_host_with_dma(host, dev, dev);
+}
+
static inline struct device *scsi_get_device(struct Scsi_Host *shost)
{
return shost->shost_gendev.parent;
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index fc50bd64aa4e..8e86a94faf06 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -807,5 +807,6 @@ void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number,
struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel,
struct fc_vport_identifiers *);
int fc_vport_terminate(struct fc_vport *vport);
+void fc_block_scsi_eh(struct scsi_cmnd *cmnd);
#endif /* SCSI_TRANSPORT_FC_H */
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index ee9d69707c0a..0e18cdebb1fc 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -153,7 +153,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
spin_lock(&mq_lock);
if (u->mq_bytes + mq_bytes < u->mq_bytes ||
u->mq_bytes + mq_bytes >
- p->signal->rlim[RLIMIT_MSGQUEUE].rlim_cur) {
+ task_rlim_get_cur(p, RLIMIT_MSGQUEUE)) {
spin_unlock(&mq_lock);
goto out_inode;
}
diff --git a/ipc/shm.c b/ipc/shm.c
index 464694e0aa4a..abd1ebd73e18 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -761,8 +761,7 @@ SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
if (euid != shp->shm_perm.uid &&
euid != shp->shm_perm.cuid)
goto out_unlock;
- if (cmd == SHM_LOCK &&
- !current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur)
+ if (cmd == SHM_LOCK && !rlim_get_cur(RLIMIT_MEMLOCK))
goto out_unlock;
}
diff --git a/kdb/kdbdereference.c b/kdb/kdbdereference.c
index 8c6b8fe41591..339f3f4c5235 100644
--- a/kdb/kdbdereference.c
+++ b/kdb/kdbdereference.c
@@ -305,8 +305,8 @@ walk_structs(char *s, char *f, char *member, kaddr_t addr, int flags)
while(next && counter < iter_threshold) {
counter++;
if (counter > iter_threshold) {
- kdb_printf("\nWARNING: Iteration threshold reached.\n");
- kdb_printf("Current threshold: %lld\n", iter_threshold);
+ kdb_printf("\nWARNING: Iteration threshold reached.\n");
+ kdb_printf("Current threshold: %lld\n", iter_threshold);
break;
}
if(flags & C_LISTHEAD) {
@@ -658,24 +658,24 @@ int
kdb_pxhelp(int argc, const char **argv)
{
if (have_debug_file) {
- kdb_printf ("Some examples of using the px command:\n");
- kdb_printf (" the whole structure:\n");
- kdb_printf (" px *(task_struct *)0xe0000...\n");
- kdb_printf (" one member:\n");
- kdb_printf (" px (*(task_struct *)0xe0000...)->comm\n");
- kdb_printf (" the address of a member\n");
- kdb_printf (" px &((task_struct *)0xe0000...)->children\n");
- kdb_printf (" a structure pointed to by a member:\n");
- kdb_printf (" px ((*(class_device *)0xe0000...)->class)->name\n");
- kdb_printf (" array element:\n");
- kdb_printf (" px (cache_sizes *)0xa0000...[0]\n");
- kdb_printf (" px (task_struct *)(0xe0000...)->cpus_allowed.bits[0]\n");
+ kdb_printf ("Some examples of using the px command:\n");
+ kdb_printf (" the whole structure:\n");
+ kdb_printf (" px *(task_struct *)0xe0000...\n");
+ kdb_printf (" one member:\n");
+ kdb_printf (" px (*(task_struct *)0xe0000...)->comm\n");
+ kdb_printf (" the address of a member\n");
+ kdb_printf (" px &((task_struct *)0xe0000...)->children\n");
+ kdb_printf (" a structure pointed to by a member:\n");
+ kdb_printf (" px ((*(class_device *)0xe0000...)->class)->name\n");
+ kdb_printf (" array element:\n");
+ kdb_printf (" px (cache_sizes *)0xa0000...[0]\n");
+ kdb_printf (" px (task_struct *)(0xe0000...)->cpus_allowed.bits[0]\n");
} else {
- kdb_printf ("There is no debug info file.\n");
- kdb_printf ("The px/pd/print commands can only evaluate ");
- kdb_printf ("arithmetic expressions.\n");
+ kdb_printf ("There is no debug info file.\n");
+ kdb_printf ("The px/pd/print commands can only evaluate ");
+ kdb_printf ("arithmetic expressions.\n");
}
- return 0;
+ return 0;
}
/*
@@ -688,23 +688,23 @@ kdb_walkhelp(int argc, const char **argv)
kdb_printf("no debuginfo file\n");
return 0;
}
- kdb_printf ("Using the walk command:\n");
- kdb_printf (" (only the -s (symbolic) form is supported, so -s is ignored)\n");
- kdb_printf ("\n");
- kdb_printf (" If the list is not linked with list_head structures:\n");
- kdb_printf (" walk [-s] struct name-of-forward-pointer address\n");
- kdb_printf (" example: walk xyz_struct next 0xe00....\n");
- kdb_printf ("\n");
- kdb_printf (" If the list is linked with list_head structures, use -hn\n");
- kdb_printf (" to walk the 'next' list, -hp for the 'prev' list\n");
- kdb_printf (" walk -h[n|p] struct name-of-forward-pointer [member-to-show] address-of-list-head\n");
- kdb_printf (" example, to show the entire task_struct:\n");
- kdb_printf (" walk -hn task_struct tasks 0xe000....\n");
- kdb_printf (" example, to show the task_struct member comm:\n");
- kdb_printf (" walk -hn task_struct tasks comm 0xe000....\n");
- kdb_printf (" (address is not the address of first member's list_head, ");
- kdb_printf ("but of the anchoring list_head\n");
- return 0;
+ kdb_printf ("Using the walk command:\n");
+ kdb_printf (" (only the -s (symbolic) form is supported, so -s is ignored)\n");
+ kdb_printf ("\n");
+ kdb_printf (" If the list is not linked with list_head structures:\n");
+ kdb_printf (" walk [-s] struct name-of-forward-pointer address\n");
+ kdb_printf (" example: walk xyz_struct next 0xe00....\n");
+ kdb_printf ("\n");
+ kdb_printf (" If the list is linked with list_head structures, use -hn\n");
+ kdb_printf (" to walk the 'next' list, -hp for the 'prev' list\n");
+ kdb_printf (" walk -h[n|p] struct name-of-forward-pointer [member-to-show] address-of-list-head\n");
+ kdb_printf (" example, to show the entire task_struct:\n");
+ kdb_printf (" walk -hn task_struct tasks 0xe000....\n");
+ kdb_printf (" example, to show the task_struct member comm:\n");
+ kdb_printf (" walk -hn task_struct tasks comm 0xe000....\n");
+ kdb_printf (" (address is not the address of first member's list_head, ");
+ kdb_printf ("but of the anchoring list_head\n");
+ return 0;
}
/*
@@ -2704,7 +2704,7 @@ kl_get_bit_value(void *ptr, unsigned int x, unsigned int y, unsigned int z)
/* mask bit size bits */
mask = (((uint64_t)1 << y) - 1);
- return (value & mask);
+ return (value & mask);
}
/*
@@ -4565,7 +4565,7 @@ make_node(token_t *t, int flags)
char str[16];
/* Step over the back slash
- */
+ */
cp++;
while (*cp != '\'') {
str[i++] = *cp++;
@@ -4835,7 +4835,7 @@ get_sizeof()
}
/* The next token should be a CAST or an open paren.
- * If it's something else, then return an error.
+ * If it's something else, then return an error.
*/
if (curnp->operator == OPEN_PAREN) {
free_nodes(curnp);
diff --git a/kdb/kdbmain.c b/kdb/kdbmain.c
index 99ff4e346be4..05ee7d6f45ea 100644
--- a/kdb/kdbmain.c
+++ b/kdb/kdbmain.c
@@ -3105,7 +3105,7 @@ kdb_dmesg(int argc, const char **argv)
c = '\n';
while (start != end) {
char buf[201];
- p = buf;
+ p = buf;
while (start < end && (c = *KDB_WRAP(start)) && (p - buf) < sizeof(buf)-1) {
++start;
*p++ = c;
diff --git a/kdb/kdbsupport.c b/kdb/kdbsupport.c
index 0cdceb50375e..334e52ee13a7 100644
--- a/kdb/kdbsupport.c
+++ b/kdb/kdbsupport.c
@@ -216,7 +216,7 @@ int kallsyms_symbol_complete(char *prefix_name, int max_len)
}
}
}
- if (prev_len > prefix_len)
+ if (prev_len > prefix_len)
memcpy(prefix_name, ks_namebuf_prev, prev_len+1);
return number;
}
diff --git a/kdb/modules/kdbm_x86.c b/kdb/modules/kdbm_x86.c
index 1080a2572059..78d8ab552144 100644
--- a/kdb/modules/kdbm_x86.c
+++ b/kdb/modules/kdbm_x86.c
@@ -366,7 +366,7 @@ display_gate_desc(kdb_gate_desc_t *d)
switch(d->type) {
case KDB_SYS_DESC_TYPE_LDT:
kdb_printf("base=");
- kdb_symbol_print(kdb_seg_desc_base((kdb_desc_t *)d), NULL,
+ kdb_symbol_print(kdb_seg_desc_base((kdb_desc_t *)d), NULL,
KDB_SP_DEFAULT);
kdb_printf(" limit=" kdb_machreg_fmt " dpl=%d\n",
KDB_SEG_DESC_LIMIT((kdb_desc_t *)d), d->dpl);
@@ -380,7 +380,7 @@ display_gate_desc(kdb_gate_desc_t *d)
(struct tss_struct *)
kdb_seg_desc_base((kdb_desc_t *)d);
kdb_printf("base=");
- kdb_symbol_print((unsigned long)tss, NULL, KDB_SP_DEFAULT);
+ kdb_symbol_print((unsigned long)tss, NULL, KDB_SP_DEFAULT);
kdb_printf(" limit=" kdb_machreg_fmt " dpl=%d\n",
KDB_SEG_DESC_LIMIT((kdb_desc_t *)d), d->dpl);
display_tss(tss);
@@ -388,13 +388,13 @@ display_gate_desc(kdb_gate_desc_t *d)
}
case KDB_SYS_DESC_TYPE_CALLG16:
kdb_printf("segment=0x%4.4x off=", d->segment);
- kdb_symbol_print(KDB_SYS_DESC_OFFSET(d), NULL, KDB_SP_DEFAULT);
+ kdb_symbol_print(KDB_SYS_DESC_OFFSET(d), NULL, KDB_SP_DEFAULT);
kdb_printf(" dpl=%d wc=%d\n",
d->dpl, KDB_SYS_DESC_CALLG_COUNT(d));
break;
case KDB_SYS_DESC_TYPE_CALLG:
kdb_printf("segment=0x%4.4x off=", d->segment);
- kdb_symbol_print(KDB_SYS_DESC_OFFSET(d), NULL, KDB_SP_DEFAULT);
+ kdb_symbol_print(KDB_SYS_DESC_OFFSET(d), NULL, KDB_SP_DEFAULT);
kdb_printf(" dpl=%d\n", d->dpl);
break;
default:
diff --git a/kernel/compat.c b/kernel/compat.c
index f6c204f07ea6..97fda3420382 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -274,6 +274,39 @@ asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t __user *set,
return ret;
}
+static int get_compat_rlimit(struct rlimit *dst,
+ const struct compat_rlimit __user *src)
+{
+ if (!access_ok(VERIFY_READ, src, sizeof(*src)) ||
+ __get_user(dst->rlim_cur, &src->rlim_cur) ||
+ __get_user(dst->rlim_max, &src->rlim_max))
+ return -EFAULT;
+
+ if (dst->rlim_cur == COMPAT_RLIM_INFINITY)
+ dst->rlim_cur = RLIM_INFINITY;
+ if (dst->rlim_max == COMPAT_RLIM_INFINITY)
+ dst->rlim_max = RLIM_INFINITY;
+ return 0;
+}
+
+static int put_compat_rlimit(const struct rlimit *src,
+ struct compat_rlimit __user *dst)
+{
+ struct rlimit r = *src;
+
+ if (r.rlim_cur > COMPAT_RLIM_INFINITY)
+ r.rlim_cur = COMPAT_RLIM_INFINITY;
+ if (r.rlim_max > COMPAT_RLIM_INFINITY)
+ r.rlim_max = COMPAT_RLIM_INFINITY;
+
+ if (!access_ok(VERIFY_WRITE, dst, sizeof(*dst)) ||
+ __put_user(r.rlim_cur, &dst->rlim_cur) ||
+ __put_user(r.rlim_max, &dst->rlim_max))
+ return -EFAULT;
+
+ return 0;
+}
+
asmlinkage long compat_sys_setrlimit(unsigned int resource,
struct compat_rlimit __user *rlim)
{
@@ -284,17 +317,12 @@ asmlinkage long compat_sys_setrlimit(unsigned int resource,
if (resource >= RLIM_NLIMITS)
return -EINVAL;
- if (!access_ok(VERIFY_READ, rlim, sizeof(*rlim)) ||
- __get_user(r.rlim_cur, &rlim->rlim_cur) ||
- __get_user(r.rlim_max, &rlim->rlim_max))
- return -EFAULT;
+ ret = get_compat_rlimit(&r, rlim);
+ if (ret)
+ return ret;
- if (r.rlim_cur == COMPAT_RLIM_INFINITY)
- r.rlim_cur = RLIM_INFINITY;
- if (r.rlim_max == COMPAT_RLIM_INFINITY)
- r.rlim_max = RLIM_INFINITY;
set_fs(KERNEL_DS);
- ret = sys_setrlimit(resource, (struct rlimit __user *) &r);
+ ret = sys_setrlimit(resource, (struct rlimit __force __user *)&r);
set_fs(old_fs);
return ret;
}
@@ -336,19 +364,42 @@ asmlinkage long compat_sys_getrlimit (unsigned int resource,
mm_segment_t old_fs = get_fs();
set_fs(KERNEL_DS);
- ret = sys_getrlimit(resource, (struct rlimit __user *) &r);
+ ret = sys_getrlimit(resource, (struct rlimit __force __user *)&r);
set_fs(old_fs);
- if (!ret) {
- if (r.rlim_cur > COMPAT_RLIM_INFINITY)
- r.rlim_cur = COMPAT_RLIM_INFINITY;
- if (r.rlim_max > COMPAT_RLIM_INFINITY)
- r.rlim_max = COMPAT_RLIM_INFINITY;
+ if (!ret)
+ ret = put_compat_rlimit(&r, rlim);
+ return ret;
+}
- if (!access_ok(VERIFY_WRITE, rlim, sizeof(*rlim)) ||
- __put_user(r.rlim_cur, &rlim->rlim_cur) ||
- __put_user(r.rlim_max, &rlim->rlim_max))
- return -EFAULT;
- }
+asmlinkage long compat_sys_setprlimit(pid_t pid, unsigned int resource,
+ struct compat_rlimit __user *rlim)
+{
+ mm_segment_t old_fs = get_fs ();
+ struct rlimit r;
+ int ret;
+
+ ret = get_compat_rlimit(&r, rlim);
+ if (ret)
+ return ret;
+
+ set_fs(KERNEL_DS);
+ ret = sys_setprlimit(pid, resource, (struct rlimit __force __user *)&r);
+ set_fs(old_fs);
+ return ret;
+}
+
+asmlinkage long compat_sys_getprlimit(pid_t pid, unsigned int resource,
+ struct compat_rlimit __user *rlim)
+{
+ mm_segment_t old_fs = get_fs();
+ struct rlimit r;
+ int ret;
+
+ set_fs(KERNEL_DS);
+ ret = sys_getprlimit(pid, resource, (struct rlimit __force __user *)&r);
+ set_fs(old_fs);
+ if (!ret)
+ ret = put_compat_rlimit(&r, rlim);
return ret;
}
diff --git a/kernel/fork.c b/kernel/fork.c
index 166b8c49257c..9f0773d09099 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -822,6 +822,8 @@ void __cleanup_sighand(struct sighand_struct *sighand)
*/
static void posix_cpu_timers_init_group(struct signal_struct *sig)
{
+ unsigned long cpu_limit;
+
/* Thread group counters. */
thread_group_cputime_init(sig);
@@ -836,9 +838,9 @@ static void posix_cpu_timers_init_group(struct signal_struct *sig)
sig->cputime_expires.virt_exp = cputime_zero;
sig->cputime_expires.sched_exp = 0;
- if (sig->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY) {
- sig->cputime_expires.prof_exp =
- secs_to_cputime(sig->rlim[RLIMIT_CPU].rlim_cur);
+ cpu_limit = ACCESS_ONCE(sig->rlim[RLIMIT_CPU].rlim_cur);
+ if (cpu_limit != RLIM_INFINITY) {
+ sig->cputime_expires.prof_exp = secs_to_cputime(cpu_limit);
sig->cputimer.running = 1;
}
@@ -1028,7 +1030,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
#endif
retval = -EAGAIN;
if (atomic_read(&p->real_cred->user->processes) >=
- p->signal->rlim[RLIMIT_NPROC].rlim_cur) {
+ task_rlim_get_cur(p, RLIMIT_NPROC)) {
if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
p->real_cred->user != INIT_USER)
goto bad_fork_free;
diff --git a/kernel/kmod.c b/kernel/kmod.c
index e811101aa029..5a043519acdc 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -531,9 +531,10 @@ int call_usermodehelper_pipe(char *path, char **argv, char **envp,
}
EXPORT_SYMBOL(call_usermodehelper_pipe);
-void __init usermodehelper_init(void)
+static int __init usermodehelper_init(void)
{
khelper_wq = create_singlethread_workqueue("khelper");
BUG_ON(!khelper_wq);
+ return 0;
}
rootfs_initcall(usermodehelper_init);
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index e4d62667cf01..eebccc7d7f33 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2420,7 +2420,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
if (user_locked > user_lock_limit)
extra = user_locked - user_lock_limit;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlim_get_cur(RLIMIT_MEMLOCK);
lock_limit >>= PAGE_SHIFT;
locked = vma->vm_mm->locked_vm + extra;
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index 5c9dc228747b..79d4cb341cf8 100644
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -13,16 +13,16 @@
/*
* Called after updating RLIMIT_CPU to set timer expiration if necessary.
*/
-void update_rlimit_cpu(unsigned long rlim_new)
+void update_rlimit_cpu(struct task_struct *task, unsigned long rlim_new)
{
cputime_t cputime = secs_to_cputime(rlim_new);
- struct signal_struct *const sig = current->signal;
+ struct signal_struct *const sig = task->signal;
if (cputime_eq(sig->it[CPUCLOCK_PROF].expires, cputime_zero) ||
cputime_gt(sig->it[CPUCLOCK_PROF].expires, cputime)) {
- spin_lock_irq(&current->sighand->siglock);
- set_process_cpu_timer(current, CPUCLOCK_PROF, &cputime, NULL);
- spin_unlock_irq(&current->sighand->siglock);
+ spin_lock_irq(&task->sighand->siglock);
+ set_process_cpu_timer(task, CPUCLOCK_PROF, &cputime, NULL);
+ spin_unlock_irq(&task->sighand->siglock);
}
}
@@ -640,7 +640,7 @@ static void arm_timer(struct k_itimer *timer, union cpu_time_count now)
if (expires_le(sig->it[CPUCLOCK_PROF].expires,
exp->cpu))
break;
- i = sig->rlim[RLIMIT_CPU].rlim_cur;
+ i = ACCESS_ONCE(sig->rlim[RLIMIT_CPU].rlim_cur);
if (i != RLIM_INFINITY &&
i <= cputime_to_secs(exp->cpu))
break;
@@ -983,6 +983,7 @@ static void check_thread_timers(struct task_struct *tsk,
int maxfire;
struct list_head *timers = tsk->cpu_timers;
struct signal_struct *const sig = tsk->signal;
+ unsigned long soft;
maxfire = 20;
tsk->cputime_expires.prof_exp = cputime_zero;
@@ -1031,9 +1032,10 @@ static void check_thread_timers(struct task_struct *tsk,
/*
* Check for the special case thread timers.
*/
- if (sig->rlim[RLIMIT_RTTIME].rlim_cur != RLIM_INFINITY) {
- unsigned long hard = sig->rlim[RLIMIT_RTTIME].rlim_max;
- unsigned long *soft = &sig->rlim[RLIMIT_RTTIME].rlim_cur;
+ soft = ACCESS_ONCE(sig->rlim[RLIMIT_RTTIME].rlim_cur);
+ if (soft != RLIM_INFINITY) {
+ unsigned long hard = ACCESS_ONCE(sig->rlim[RLIMIT_RTTIME].
+ rlim_max);
if (hard != RLIM_INFINITY &&
tsk->rt.timeout > DIV_ROUND_UP(hard, USEC_PER_SEC/HZ)) {
@@ -1044,14 +1046,13 @@ static void check_thread_timers(struct task_struct *tsk,
__group_send_sig_info(SIGKILL, SEND_SIG_PRIV, tsk);
return;
}
- if (tsk->rt.timeout > DIV_ROUND_UP(*soft, USEC_PER_SEC/HZ)) {
+ if (tsk->rt.timeout > DIV_ROUND_UP(soft, USEC_PER_SEC/HZ)) {
/*
* At the soft limit, send a SIGXCPU every second.
*/
- if (sig->rlim[RLIMIT_RTTIME].rlim_cur
- < sig->rlim[RLIMIT_RTTIME].rlim_max) {
- sig->rlim[RLIMIT_RTTIME].rlim_cur +=
- USEC_PER_SEC;
+ if (soft < hard) {
+ soft += USEC_PER_SEC;
+ sig->rlim[RLIMIT_RTTIME].rlim_cur = soft;
}
printk(KERN_INFO
"RT Watchdog Timeout: %s[%d]\n",
@@ -1122,13 +1123,14 @@ static void check_process_timers(struct task_struct *tsk,
unsigned long long sum_sched_runtime, sched_expires;
struct list_head *timers = sig->cpu_timers;
struct task_cputime cputime;
+ unsigned long cpu_cur_lim = ACCESS_ONCE(sig->rlim[RLIMIT_CPU].rlim_cur);
/*
* Don't sample the current process CPU clocks if there are no timers.
*/
if (list_empty(&timers[CPUCLOCK_PROF]) &&
cputime_eq(sig->it[CPUCLOCK_PROF].expires, cputime_zero) &&
- sig->rlim[RLIMIT_CPU].rlim_cur == RLIM_INFINITY &&
+ cpu_cur_lim == RLIM_INFINITY &&
list_empty(&timers[CPUCLOCK_VIRT]) &&
cputime_eq(sig->it[CPUCLOCK_VIRT].expires, cputime_zero) &&
list_empty(&timers[CPUCLOCK_SCHED])) {
@@ -1195,10 +1197,12 @@ static void check_process_timers(struct task_struct *tsk,
check_cpu_itimer(tsk, &sig->it[CPUCLOCK_VIRT], &virt_expires, utime,
SIGVTALRM);
- if (sig->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY) {
+ if (cpu_cur_lim != RLIM_INFINITY) {
unsigned long psecs = cputime_to_secs(ptime);
+ unsigned long hard =
+ ACCESS_ONCE(sig->rlim[RLIMIT_CPU].rlim_max);
cputime_t x;
- if (psecs >= sig->rlim[RLIMIT_CPU].rlim_max) {
+ if (psecs >= hard) {
/*
* At the hard limit, we just die.
* No need to calculate anything else now.
@@ -1206,17 +1210,17 @@ static void check_process_timers(struct task_struct *tsk,
__group_send_sig_info(SIGKILL, SEND_SIG_PRIV, tsk);
return;
}
- if (psecs >= sig->rlim[RLIMIT_CPU].rlim_cur) {
+ if (psecs >= cpu_cur_lim) {
/*
* At the soft limit, send a SIGXCPU every second.
*/
__group_send_sig_info(SIGXCPU, SEND_SIG_PRIV, tsk);
- if (sig->rlim[RLIMIT_CPU].rlim_cur
- < sig->rlim[RLIMIT_CPU].rlim_max) {
- sig->rlim[RLIMIT_CPU].rlim_cur++;
+ if (cpu_cur_lim < hard) {
+ cpu_cur_lim++;
+ sig->rlim[RLIMIT_CPU].rlim_cur = cpu_cur_lim;
}
}
- x = secs_to_cputime(sig->rlim[RLIMIT_CPU].rlim_cur);
+ x = secs_to_cputime(cpu_cur_lim);
if (cputime_eq(prof_expires, cputime_zero) ||
cputime_lt(x, prof_expires)) {
prof_expires = x;
@@ -1383,7 +1387,7 @@ static inline int fastpath_timer_check(struct task_struct *tsk)
return 1;
}
- return sig->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY;
+ return ACCESS_ONCE(sig->rlim[RLIMIT_CPU].rlim_cur) != RLIM_INFINITY;
}
/*
@@ -1481,7 +1485,7 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx,
* If the RLIMIT_CPU timer will expire before the
* ITIMER_PROF timer, we have nothing else to do.
*/
- if (tsk->signal->rlim[RLIMIT_CPU].rlim_cur
+ if (task_rlim_get_cur(tsk, RLIMIT_CPU)
< cputime_to_secs(*newval))
return;
}
diff --git a/kernel/sched.c b/kernel/sched.c
index ea17f299841f..eacca87187bf 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6073,7 +6073,7 @@ int can_nice(const struct task_struct *p, const int nice)
/* convert nice value [19,-20] to rlimit style value [1,40] */
int nice_rlim = 20 - nice;
- return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
+ return (nice_rlim <= task_rlim_get_cur(p, RLIMIT_NICE) ||
capable(CAP_SYS_NICE));
}
@@ -6258,7 +6258,7 @@ recheck:
if (!lock_task_sighand(p, &flags))
return -ESRCH;
- rlim_rtprio = p->signal->rlim[RLIMIT_RTPRIO].rlim_cur;
+ rlim_rtprio = task_rlim_get_cur(p, RLIMIT_RTPRIO);
unlock_task_sighand(p, &flags);
/* can't set/change the rt policy */
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index a4d790cddb19..ab41715c52b9 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -1683,8 +1683,9 @@ static void watchdog(struct rq *rq, struct task_struct *p)
if (!p->signal)
return;
- soft = p->signal->rlim[RLIMIT_RTTIME].rlim_cur;
- hard = p->signal->rlim[RLIMIT_RTTIME].rlim_max;
+ /* max may change after cur was read, this will be fixed next tick */
+ soft = task_rlim_get_cur(p, RLIMIT_RTTIME);
+ hard = task_rlim_get_max(p, RLIMIT_RTTIME);
if (soft != RLIM_INFINITY) {
unsigned long next;
diff --git a/kernel/signal.c b/kernel/signal.c
index c8801c2935ed..d5e5c068a022 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -209,7 +209,7 @@ static struct sigqueue *__sigqueue_alloc(struct task_struct *t, gfp_t flags,
atomic_inc(&user->sigpending);
if (override_rlimit ||
atomic_read(&user->sigpending) <=
- t->signal->rlim[RLIMIT_SIGPENDING].rlim_cur)
+ task_rlim_get_cur(t, RLIMIT_SIGPENDING))
q = kmem_cache_alloc(sigqueue_cachep, flags);
if (unlikely(q == NULL)) {
atomic_dec(&user->sigpending);
diff --git a/kernel/sys.c b/kernel/sys.c
index ce17760d9c51..626148f50cfd 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -572,8 +572,7 @@ static int set_user(struct cred *new)
return -EINVAL;
}
- if (atomic_read(&new_user->processes) >=
- current->signal->rlim[RLIMIT_NPROC].rlim_cur &&
+ if (atomic_read(&new_user->processes) >= rlim_get_cur(RLIMIT_NPROC) &&
new_user != INIT_USER) {
free_uid(new_user);
return -EAGAIN;
@@ -1213,6 +1212,61 @@ SYSCALL_DEFINE2(getrlimit, unsigned int, resource, struct rlimit __user *, rlim)
}
}
+static int check_prlimit_permission(struct task_struct *task)
+{
+ const struct cred *cred = current_cred(), *tcred;
+ int ret = 0;
+
+ rcu_read_lock();
+ tcred = __task_cred(task);
+ if ((cred->uid != tcred->euid ||
+ cred->uid != tcred->suid ||
+ cred->uid != tcred->uid ||
+ cred->gid != tcred->egid ||
+ cred->gid != tcred->sgid ||
+ cred->gid != tcred->gid) &&
+ !capable(CAP_SYS_RESOURCE)) {
+ ret = -EPERM;
+ }
+ rcu_read_unlock();
+ return ret;
+}
+
+SYSCALL_DEFINE3(getprlimit, pid_t, pid, unsigned int, resource,
+ struct rlimit __user *, rlim)
+{
+ struct rlimit val;
+ struct task_struct *tsk;
+ int ret;
+
+ if (resource >= RLIM_NLIMITS)
+ return -EINVAL;
+
+ read_lock(&tasklist_lock);
+
+ tsk = find_task_by_vpid(pid);
+ if (!tsk || !tsk->sighand) {
+ ret = -ESRCH;
+ goto err_unlock;
+ }
+
+ ret = check_prlimit_permission(tsk);
+ if (ret)
+ goto err_unlock;
+
+ task_lock(tsk->group_leader);
+ val = tsk->signal->rlim[resource];
+ task_unlock(tsk->group_leader);
+
+ read_unlock(&tasklist_lock);
+
+ return copy_to_user(rlim, &val, sizeof(*rlim)) ? -EFAULT : 0;
+err_unlock:
+ read_unlock(&tasklist_lock);
+ return ret;
+}
+
+
#ifdef __ARCH_WANT_SYS_OLD_GETRLIMIT
/*
@@ -1238,43 +1292,50 @@ SYSCALL_DEFINE2(old_getrlimit, unsigned int, resource,
#endif
-SYSCALL_DEFINE2(setrlimit, unsigned int, resource, struct rlimit __user *, rlim)
+/* make sure you are allowed to change @tsk limits before calling this */
+int do_setrlimit(struct task_struct *tsk, unsigned int resource,
+ struct rlimit *new_rlim)
{
- struct rlimit new_rlim, *old_rlim;
- int retval;
+ struct rlimit *old_rlim;
+ int retval = 0;
- if (resource >= RLIM_NLIMITS)
+ if (new_rlim->rlim_cur > new_rlim->rlim_max)
return -EINVAL;
- if (copy_from_user(&new_rlim, rlim, sizeof(*rlim)))
- return -EFAULT;
- if (new_rlim.rlim_cur > new_rlim.rlim_max)
- return -EINVAL;
- old_rlim = current->signal->rlim + resource;
- if ((new_rlim.rlim_max > old_rlim->rlim_max) &&
- !capable(CAP_SYS_RESOURCE))
- return -EPERM;
- if (resource == RLIMIT_NOFILE && new_rlim.rlim_max > sysctl_nr_open)
+ if (resource == RLIMIT_NOFILE && new_rlim->rlim_max > sysctl_nr_open)
return -EPERM;
- retval = security_task_setrlimit(resource, &new_rlim);
- if (retval)
- return retval;
+ /* optimization: 'current' doesn't need locking, e.g. setrlimit */
+ if (tsk != current) {
+ /* protect tsk->signal and tsk->sighand from disappearing */
+ read_lock(&tasklist_lock);
+ if (!tsk->sighand) {
+ retval = -ESRCH;
+ goto out;
+ }
+ }
- if (resource == RLIMIT_CPU && new_rlim.rlim_cur == 0) {
+ if (resource == RLIMIT_CPU && new_rlim->rlim_cur == 0) {
/*
* The caller is asking for an immediate RLIMIT_CPU
* expiry. But we use the zero value to mean "it was
* never set". So let's cheat and make it one second
* instead
*/
- new_rlim.rlim_cur = 1;
+ new_rlim->rlim_cur = 1;
}
- task_lock(current->group_leader);
- *old_rlim = new_rlim;
- task_unlock(current->group_leader);
-
- if (resource != RLIMIT_CPU)
+ old_rlim = tsk->signal->rlim + resource;
+ task_lock(tsk->group_leader);
+ if ((new_rlim->rlim_max > old_rlim->rlim_max) &&
+ !capable(CAP_SYS_RESOURCE))
+ retval = -EPERM;
+ if (!retval)
+ retval = security_task_setrlimit(tsk, resource, new_rlim);
+ if (!retval)
+ *old_rlim = *new_rlim;
+ task_unlock(tsk->group_leader);
+
+ if (retval || resource != RLIMIT_CPU)
goto out;
/*
@@ -1283,12 +1344,56 @@ SYSCALL_DEFINE2(setrlimit, unsigned int, resource, struct rlimit __user *, rlim)
* very long-standing error, and fixing it now risks breakage of
* applications, so we live with it
*/
- if (new_rlim.rlim_cur == RLIM_INFINITY)
+ if (new_rlim->rlim_cur == RLIM_INFINITY)
goto out;
- update_rlimit_cpu(new_rlim.rlim_cur);
+ update_rlimit_cpu(tsk, new_rlim->rlim_cur);
out:
- return 0;
+ if (tsk != current)
+ read_unlock(&tasklist_lock);
+ return retval;
+}
+
+SYSCALL_DEFINE2(setrlimit, unsigned int, resource, struct rlimit __user *, rlim)
+{
+ struct rlimit new_rlim;
+
+ if (resource >= RLIM_NLIMITS)
+ return -EINVAL;
+ if (copy_from_user(&new_rlim, rlim, sizeof(*rlim)))
+ return -EFAULT;
+ return do_setrlimit(current, resource, &new_rlim);
+}
+
+SYSCALL_DEFINE3(setprlimit, pid_t, pid, unsigned int, resource,
+ struct rlimit __user *, rlim)
+{
+ struct task_struct *tsk;
+ struct rlimit new_rlim;
+ int ret;
+
+ if (resource >= RLIM_NLIMITS)
+ return -EINVAL;
+
+ if (copy_from_user(&new_rlim, rlim, sizeof(*rlim)))
+ return -EFAULT;
+
+ rcu_read_lock();
+ tsk = find_task_by_vpid(pid);
+ if (!tsk) {
+ rcu_read_unlock();
+ return -ESRCH;
+ }
+ get_task_struct(tsk);
+ rcu_read_unlock();
+
+ ret = check_prlimit_permission(tsk);
+ if (!ret)
+ ret = do_setrlimit(tsk, resource, &new_rlim);
+
+ put_task_struct(tsk);
+
+ return ret;
}
/*
diff --git a/mm/filemap.c b/mm/filemap.c
index b84efc4000f8..4590b8ee1160 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -346,6 +346,70 @@ int filemap_fdatawait_range(struct address_space *mapping, loff_t start,
EXPORT_SYMBOL(filemap_fdatawait_range);
/**
+ * sync_page_range - write and wait on all pages in the passed range
+ * @inode: target inode
+ * @mapping: target address_space
+ * @pos: beginning offset in pages to write
+ * @count: number of bytes to write
+ *
+ * Write and wait upon all the pages in the passed range. This is a "data
+ * integrity" operation. It waits upon in-flight writeout before starting and
+ * waiting upon new writeout. If there was an IO error, return it.
+ *
+ * We need to re-take i_mutex during the generic_osync_inode list walk because
+ * it is otherwise livelockable.
+ */
+int sync_page_range(struct inode *inode, struct address_space *mapping,
+ loff_t pos, loff_t count)
+{
+ pgoff_t start = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t end = (pos + count - 1) >> PAGE_CACHE_SHIFT;
+ int ret;
+
+ if (!mapping_cap_writeback_dirty(mapping) || !count)
+ return 0;
+ ret = filemap_fdatawrite_range(mapping, pos, pos + count - 1);
+ if (ret == 0) {
+ mutex_lock(&inode->i_mutex);
+ ret = generic_osync_inode(inode, mapping, OSYNC_METADATA);
+ mutex_unlock(&inode->i_mutex);
+ }
+ if (ret == 0)
+ ret = wait_on_page_writeback_range(mapping, start, end);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(sync_page_range);
+
+/**
+ * sync_page_range_nolock - write & wait on all pages in the passed range without locking
+ * @inode: target inode
+ * @mapping: target address_space
+ * @pos: beginning offset in pages to write
+ * @count: number of bytes to write
+ *
+ * Note: Holding i_mutex across sync_page_range_nolock() is not a good idea
+ * as it forces O_SYNC writers to different parts of the same file
+ * to be serialised right until io completion.
+ */
+int sync_page_range_nolock(struct inode *inode, struct address_space *mapping,
+ loff_t pos, loff_t count)
+{
+ pgoff_t start = pos >> PAGE_CACHE_SHIFT;
+ pgoff_t end = (pos + count - 1) >> PAGE_CACHE_SHIFT;
+ int ret;
+
+ if (!mapping_cap_writeback_dirty(mapping) || !count)
+ return 0;
+ ret = filemap_fdatawrite_range(mapping, pos, pos + count - 1);
+ if (ret == 0)
+ ret = generic_osync_inode(inode, mapping, OSYNC_METADATA);
+ if (ret == 0)
+ ret = wait_on_page_writeback_range(mapping, start, end);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(sync_page_range_nolock);
+
+/**
* filemap_fdatawait - wait for all under-writeback pages to complete
* @mapping: address space structure to wait for
*
@@ -2040,7 +2104,7 @@ EXPORT_SYMBOL(iov_iter_single_seg_count);
inline int generic_write_checks(struct file *file, loff_t *pos, size_t *count, int isblk)
{
struct inode *inode = file->f_mapping->host;
- unsigned long limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur;
+ unsigned long limit = rlim_get_cur(RLIMIT_FSIZE);
if (unlikely(*pos < 0))
return -EINVAL;
diff --git a/mm/mlock.c b/mm/mlock.c
index bd6f0e466f6c..a8ee8bfd0a39 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -25,7 +25,7 @@ int can_do_mlock(void)
{
if (capable(CAP_IPC_LOCK))
return 1;
- if (current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur != 0)
+ if (rlim_get_cur(RLIMIT_MEMLOCK) != 0)
return 1;
return 0;
}
@@ -490,7 +490,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len)
locked = len >> PAGE_SHIFT;
locked += current->mm->locked_vm;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlim_get_cur(RLIMIT_MEMLOCK);
lock_limit >>= PAGE_SHIFT;
/* check against resource limits */
@@ -553,7 +553,7 @@ SYSCALL_DEFINE1(mlockall, int, flags)
down_write(&current->mm->mmap_sem);
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlim_get_cur(RLIMIT_MEMLOCK);
lock_limit >>= PAGE_SHIFT;
ret = -ENOMEM;
@@ -587,7 +587,7 @@ int user_shm_lock(size_t size, struct user_struct *user)
int allowed = 0;
locked = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlim_get_cur(RLIMIT_MEMLOCK);
if (lock_limit == RLIM_INFINITY)
allowed = 1;
lock_limit >>= PAGE_SHIFT;
@@ -621,12 +621,12 @@ int account_locked_memory(struct mm_struct *mm, struct rlimit *rlim,
down_write(&mm->mmap_sem);
- lim = rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT;
+ lim = ACCESS_ONCE(rlim[RLIMIT_AS].rlim_cur) >> PAGE_SHIFT;
vm = mm->total_vm + pgsz;
if (lim < vm)
goto out;
- lim = rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT;
+ lim = ACCESS_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur) >> PAGE_SHIFT;
vm = mm->locked_vm + pgsz;
if (lim < vm)
goto out;
diff --git a/mm/mmap.c b/mm/mmap.c
index 48b8a5c8fda9..f560ee99b31b 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -267,7 +267,7 @@ SYSCALL_DEFINE1(brk, unsigned long, brk)
* segment grow beyond its set limit the in case where the limit is
* not page aligned -Ram Gupta
*/
- rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
+ rlim = rlim_get_cur(RLIMIT_DATA);
if (rlim < RLIM_INFINITY && (brk - mm->start_brk) +
(mm->end_data - mm->start_data) > rlim)
goto out;
@@ -991,7 +991,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
unsigned long locked, lock_limit;
locked = len >> PAGE_SHIFT;
locked += mm->locked_vm;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlim_get_cur(RLIMIT_MEMLOCK);
lock_limit >>= PAGE_SHIFT;
if (locked > lock_limit && !capable(CAP_IPC_LOCK))
return -EAGAIN;
@@ -1593,7 +1593,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
return -ENOMEM;
/* Stack limit test */
- if (size > rlim[RLIMIT_STACK].rlim_cur)
+ if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur))
return -ENOMEM;
/* mlock limit tests */
@@ -1601,7 +1601,8 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
unsigned long locked;
unsigned long limit;
locked = mm->locked_vm + grow;
- limit = rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT;
+ limit = ACCESS_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur);
+ limit >>= PAGE_SHIFT;
if (locked > limit && !capable(CAP_IPC_LOCK))
return -ENOMEM;
}
@@ -2092,7 +2093,7 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
unsigned long locked, lock_limit;
locked = len >> PAGE_SHIFT;
locked += mm->locked_vm;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlim_get_cur(RLIMIT_MEMLOCK);
lock_limit >>= PAGE_SHIFT;
if (locked > lock_limit && !capable(CAP_IPC_LOCK))
return -EAGAIN;
@@ -2311,7 +2312,7 @@ int may_expand_vm(struct mm_struct *mm, unsigned long npages)
unsigned long cur = mm->total_vm; /* pages */
unsigned long lim;
- lim = current->signal->rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT;
+ lim = rlim_get_cur(RLIMIT_AS) >> PAGE_SHIFT;
if (cur + npages > lim)
return 0;
diff --git a/mm/mremap.c b/mm/mremap.c
index 97bff2547719..00a384c2eee5 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -358,7 +358,7 @@ unsigned long do_mremap(unsigned long addr,
if (vma->vm_flags & VM_LOCKED) {
unsigned long locked, lock_limit;
locked = mm->locked_vm << PAGE_SHIFT;
- lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+ lock_limit = rlim_get_cur(RLIMIT_MEMLOCK);
locked += new_len - old_len;
ret = -EAGAIN;
if (locked > lock_limit && !capable(CAP_IPC_LOCK))
diff --git a/perfmon/perfmon_control.c b/perfmon/perfmon_control.c
index f1739e88a4a1..aed4da2c0ac5 100644
--- a/perfmon/perfmon_control.c
+++ b/perfmon/perfmon_control.c
@@ -155,7 +155,7 @@ static long pfm_control_create_evtsets(union pfm_control *cdata, int compat)
return sys_pfm_create_evtsets(d->fd,
(struct pfarg_setdesc __user *)_PTR(d->req),
- d->count);
+ d->count);
}
static long pfm_control_getinfo_evtsets(union pfm_control *cdata, int compat)
diff --git a/perfmon/perfmon_ctx.c b/perfmon/perfmon_ctx.c
index 96d5509553ac..9bcf2507c1c9 100644
--- a/perfmon/perfmon_ctx.c
+++ b/perfmon/perfmon_ctx.c
@@ -272,8 +272,8 @@ error_fd:
error_alloc:
/*
* free arch, sets, smpl_buffer
- * conf, pmu
- */
+ * conf, pmu
+ */
pfm_free_context(ctx);
return ret;
error_smpl:
diff --git a/perfmon/perfmon_pmu.c b/perfmon/perfmon_pmu.c
index 7597c0f5fc2d..9b404c85e169 100644
--- a/perfmon/perfmon_pmu.c
+++ b/perfmon/perfmon_pmu.c
@@ -561,11 +561,11 @@ int pfm_pmu_acquire(struct pfm_context *ctx)
memset(unavail_pmds, 0, sizeof(unavail_pmds));
/*
- * gather unavailable registers
- *
- * cannot use pfm_pmu_conf->regs_all as it
- * is not yet initialized
- */
+ * gather unavailable registers
+ *
+ * cannot use pfm_pmu_conf->regs_all as it
+ * is not yet initialized
+ */
ret = pfm_arch_reserve_regs(unavail_pmcs, unavail_pmds);
if (ret) {
pfm_pmu_acquired = 0;
diff --git a/perfmon/perfmon_res.c b/perfmon/perfmon_res.c
index e88e6a9ed732..4762c80d257f 100644
--- a/perfmon/perfmon_res.c
+++ b/perfmon/perfmon_res.c
@@ -111,11 +111,11 @@ int pfm_smpl_buf_space_acquire(struct pfm_context *ctx, size_t size)
locked = mm->locked_vm << PAGE_SHIFT;
locked += size;
- if (locked > current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur) {
+ if (locked > rlim_get_cur(RLIMIT_MEMLOCK)) {
PFM_DBG("RLIMIT_MEMLOCK reached ask_locked=%lu rlim_cur=%lu",
locked,
- current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur);
+ rlim_get_cur(RLIMIT_MEMLOCK));
up_write(&mm->mmap_sem);
mmput(mm);
diff --git a/security/capability.c b/security/capability.c
index fce07a7bc825..5882ec0e1765 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -450,7 +450,8 @@ static int cap_task_getioprio(struct task_struct *p)
return 0;
}
-static int cap_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
+static int cap_task_setrlimit(struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim)
{
return 0;
}
diff --git a/security/security.c b/security/security.c
index 63214bbee199..48424f7e5bb6 100644
--- a/security/security.c
+++ b/security/security.c
@@ -782,9 +782,10 @@ int security_task_getioprio(struct task_struct *p)
return security_ops->task_getioprio(p);
}
-int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
+int security_task_setrlimit(struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim)
{
- return security_ops->task_setrlimit(resource, new_rlim);
+ return security_ops->task_setrlimit(p, resource, new_rlim);
}
int security_task_setscheduler(struct task_struct *p,
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index bb230d5d7085..dac6c882f764 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2366,7 +2366,8 @@ static void selinux_bprm_committing_creds(struct linux_binprm *bprm)
initrlim = init_task.signal->rlim + i;
rlim->rlim_cur = min(rlim->rlim_max, initrlim->rlim_cur);
}
- update_rlimit_cpu(rlim->rlim_cur);
+ update_rlimit_cpu(current,
+ current->signal->rlim[RLIMIT_CPU].rlim_cur);
}
}
@@ -3390,16 +3391,17 @@ static int selinux_task_getioprio(struct task_struct *p)
return current_has_perm(p, PROCESS__GETSCHED);
}
-static int selinux_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
+static int selinux_task_setrlimit(struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim)
{
- struct rlimit *old_rlim = current->signal->rlim + resource;
+ struct rlimit *old_rlim = p->signal->rlim + resource;
/* Control the ability to change the hard limit (whether
lowering or raising it), so that the hard limit can
later be used as a safe reset point for the soft limit
upon context transitions. See selinux_bprm_committing_creds. */
if (old_rlim->rlim_max != new_rlim->rlim_max)
- return current_has_perm(current, PROCESS__SETRLIMIT);
+ return current_has_perm(p, PROCESS__SETRLIMIT);
return 0;
}