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authorOlaf Hering <ohering@suse.de>2017-10-20 12:20:33 +0200
committerOlaf Hering <ohering@suse.de>2017-10-20 12:23:28 +0200
commitfdc64a75031277ce737426da77ce1dd767520072 (patch)
tree890e5d2a2c5f331e357a82300431921f2e826152
parentb7fb987c944de7605bec1bac560623bf59a5ec8c (diff)
vmbus: remove unused vmbus_sendpacket_multipagebuffer
-rw-r--r--drivers/hv/channel.c56
-rw-r--r--include/linux/hyperv.h6
2 files changed, 0 insertions, 62 deletions
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 63ac1c6a825f..aa82699af029 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -828,62 +828,6 @@ int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel,
}
EXPORT_SYMBOL_GPL(vmbus_sendpacket_mpb_desc);
-/*
- * vmbus_sendpacket_multipagebuffer - Send a multi-page buffer packet
- * using a GPADL Direct packet type.
- */
-int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel,
- struct hv_multipage_buffer *multi_pagebuffer,
- void *buffer, u32 bufferlen, u64 requestid)
-{
- struct vmbus_channel_packet_multipage_buffer desc;
- u32 descsize;
- u32 packetlen;
- u32 packetlen_aligned;
- struct kvec bufferlist[3];
- u64 aligned_data = 0;
- u32 pfncount = NUM_PAGES_SPANNED(multi_pagebuffer->offset,
- multi_pagebuffer->len);
-
- if (pfncount > MAX_MULTIPAGE_BUFFER_COUNT)
- return -EINVAL;
-
- /*
- * Adjust the size down since vmbus_channel_packet_multipage_buffer is
- * the largest size we support
- */
- descsize = sizeof(struct vmbus_channel_packet_multipage_buffer) -
- ((MAX_MULTIPAGE_BUFFER_COUNT - pfncount) *
- sizeof(u64));
- packetlen = descsize + bufferlen;
- packetlen_aligned = ALIGN(packetlen, sizeof(u64));
-
-
- /* Setup the descriptor */
- desc.type = VM_PKT_DATA_USING_GPA_DIRECT;
- desc.flags = VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED;
- desc.dataoffset8 = descsize >> 3; /* in 8-bytes granularity */
- desc.length8 = (u16)(packetlen_aligned >> 3);
- desc.transactionid = requestid;
- desc.rangecount = 1;
-
- desc.range.len = multi_pagebuffer->len;
- desc.range.offset = multi_pagebuffer->offset;
-
- memcpy(desc.range.pfn_array, multi_pagebuffer->pfn_array,
- pfncount * sizeof(u64));
-
- bufferlist[0].iov_base = &desc;
- bufferlist[0].iov_len = descsize;
- bufferlist[1].iov_base = buffer;
- bufferlist[1].iov_len = bufferlen;
- bufferlist[2].iov_base = &aligned_data;
- bufferlist[2].iov_len = (packetlen_aligned - packetlen);
-
- return hv_ringbuffer_write(channel, bufferlist, 3);
-}
-EXPORT_SYMBOL_GPL(vmbus_sendpacket_multipagebuffer);
-
/**
* vmbus_recvpacket() - Retrieve the user packet on the specified channel
* @channel: Pointer to vmbus_channel structure.
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 0669491f40d9..14cad0e3db4e 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1025,12 +1025,6 @@ extern int vmbus_sendpacket_pagebuffer_ctl(struct vmbus_channel *channel,
u64 requestid,
u32 flags);
-extern int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel,
- struct hv_multipage_buffer *mpb,
- void *buffer,
- u32 bufferlen,
- u64 requestid);
-
extern int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel,
struct vmbus_packet_mpb_array *mpb,
u32 desc_size,