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drivers: hv: kvp: Cleanup the kernel/user protocol

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Now, cleanup the user/kernel KVP protocol by using the same structure
definition that is used for host/guest KVP protocol. This simplifies the code.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
K. Y. Srinivasan
2012-02-02 16:56:50 -08:00
committed by Greg Kroah-Hartman
parent eab6af71f0
commit 2640335438
3 changed files with 45 additions and 56 deletions
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include/linux/hyperv.h
+5 -25
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@@ -113,30 +113,6 @@
* (not supported), a NULL key string is returned.
*/
/*
*
* The following definitions are shared with the user-mode component; do not
* change any of this without making the corresponding changes in
* the KVP user-mode component.
*/
enum hv_ku_op {
KVP_REGISTER = 0, /* Register the user mode component */
KVP_KERNEL_GET, /* Kernel is requesting the value */
KVP_KERNEL_SET, /* Kernel is providing the value */
KVP_USER_GET, /* User is requesting the value */
KVP_USER_SET /* User is providing the value */
};
struct hv_ku_msg {
__u32 kvp_index; /* Key index */
__u8 kvp_key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; /* Key name */
__u8 kvp_value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; /* Key value */
};
/*
* Registry value types.
@@ -149,6 +125,7 @@ enum hv_kvp_exchg_op {
KVP_OP_SET,
KVP_OP_DELETE,
KVP_OP_ENUMERATE,
KVP_OP_REGISTER,
KVP_OP_COUNT /* Number of operations, must be last. */
};
@@ -182,7 +159,10 @@ struct hv_kvp_msg_enumerate {
struct hv_kvp_msg {
struct hv_kvp_hdr kvp_hdr;
struct hv_kvp_msg_enumerate kvp_data;
union {
struct hv_kvp_msg_enumerate kvp_enum_data;
char kvp_version[HV_KVP_EXCHANGE_MAX_KEY_SIZE];
} body;
} __attribute__((packed));
#ifdef __KERNEL__