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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 <[email protected]>
Signed-off-by: Haiyang Zhang <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
K. Y. Srinivasan 2012-02-02 16:56:50 -08:00 • committed by Greg Kroah-Hartman
commit 2640335438
3 changed files with 45 additions and 56 deletions
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30
tools/hv/hv_kvp_daemon.c
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@ -302,7 +302,7 @@ int main(void)
struct pollfd pfd;
struct nlmsghdr *incoming_msg;
struct cn_msg *incoming_cn_msg;
struct hv_ku_msg *hv_msg;
struct hv_kvp_msg *hv_msg;
char *p;
char *key_value;
char *key_name;
@ -340,9 +340,11 @@ int main(void)
message = (struct cn_msg *)kvp_send_buffer;
message->id.idx = CN_KVP_IDX;
message->id.val = CN_KVP_VAL;
message->seq = KVP_REGISTER;
hv_msg = (struct hv_kvp_msg *)message->data;
hv_msg->kvp_hdr.operation = KVP_OP_REGISTER;
message->ack = 0;
message->len = 0;
message->len = sizeof(struct hv_kvp_msg);
len = netlink_send(fd, message);
if (len < 0) {
@ -368,14 +370,15 @@ int main(void)
incoming_msg = (struct nlmsghdr *)kvp_recv_buffer;
incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg);
hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;
switch (incoming_cn_msg->seq) {
case KVP_REGISTER:
switch (hv_msg->kvp_hdr.operation) {
case KVP_OP_REGISTER:
/*
* Driver is registering with us; stash away the version
* information.
*/
p = (char *)incoming_cn_msg->data;
p = (char *)hv_msg->body.kvp_version;
lic_version = malloc(strlen(p) + 1);
if (lic_version) {
strcpy(lic_version, p);
@ -386,17 +389,15 @@ int main(void)
}
continue;
case KVP_KERNEL_GET:
break;
default:
continue;
break;
}
hv_msg = (struct hv_ku_msg *)incoming_cn_msg->data;
key_name = (char *)hv_msg->kvp_key;
key_value = (char *)hv_msg->kvp_value;
hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;
key_name = (char *)hv_msg->body.kvp_enum_data.data.key;
key_value = (char *)hv_msg->body.kvp_enum_data.data.value;
switch (hv_msg->kvp_index) {
switch (hv_msg->body.kvp_enum_data.index) {
case FullyQualifiedDomainName:
kvp_get_domain_name(key_value,
HV_KVP_EXCHANGE_MAX_VALUE_SIZE);
@ -456,9 +457,8 @@ int main(void)
incoming_cn_msg->id.idx = CN_KVP_IDX;
incoming_cn_msg->id.val = CN_KVP_VAL;
incoming_cn_msg->seq = KVP_USER_SET;
incoming_cn_msg->ack = 0;
incoming_cn_msg->len = sizeof(struct hv_ku_msg);
incoming_cn_msg->len = sizeof(struct hv_kvp_msg);
len = netlink_send(fd, incoming_cn_msg);
if (len < 0) {