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| author | K. Y. Srinivasan | 2011-05-13 04:34:16 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2011-05-17 20:46:13 +0200 |
| commit | a363bf7bd23fb6ee3e1690bd300a5e285f9c88df (patch) | |
| tree | b74ae1bae44f04fb51eefcbf3a96b62cd13206a4 /drivers/staging/hv/hyperv.h | |
| parent | Staging: hv: Include the newly created header file in all of the relevant hyp... (diff) | |
| download | kernel-qcow2-linux-a363bf7bd23fb6ee3e1690bd300a5e285f9c88df.tar.gz kernel-qcow2-linux-a363bf7bd23fb6ee3e1690bd300a5e285f9c88df.tar.xz kernel-qcow2-linux-a363bf7bd23fb6ee3e1690bd300a5e285f9c88df.zip | |
Staging: hv: Add a subset of definitions from vmbus_api.h to hyperv.h
Add a subset of definitions from vmbus_api.h to hyperv.h.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/hv/hyperv.h')
| -rw-r--r-- | drivers/staging/hv/hyperv.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/staging/hv/hyperv.h b/drivers/staging/hv/hyperv.h index 32193119de0c..22e434a55362 100644 --- a/drivers/staging/hv/hyperv.h +++ b/drivers/staging/hv/hyperv.h @@ -29,5 +29,35 @@ struct hv_guid { unsigned char data[16]; }; +#define MAX_PAGE_BUFFER_COUNT 16 +#define MAX_MULTIPAGE_BUFFER_COUNT 32 /* 128K */ + +#pragma pack(push, 1) + +/* Single-page buffer */ +struct hv_page_buffer { + u32 len; + u32 offset; + u64 pfn; +}; + +/* Multiple-page buffer */ +struct hv_multipage_buffer { + /* Length and Offset determines the # of pfns in the array */ + u32 len; + u32 offset; + u64 pfn_array[MAX_MULTIPAGE_BUFFER_COUNT]; +}; + +/* 0x18 includes the proprietary packet header */ +#define MAX_PAGE_BUFFER_PACKET (0x18 + \ + (sizeof(struct hv_page_buffer) * \ + MAX_PAGE_BUFFER_COUNT)) +#define MAX_MULTIPAGE_BUFFER_PACKET (0x18 + \ + sizeof(struct hv_multipage_buffer)) + + +#pragma pack(pop) + #endif /* _HYPERV_H */ |