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I am enclosing a patch that implements the KVP (Key Value Pair) functionality for Linux guests on HyperV. This functionality allows Microsoft Management stack to query information from the guest. This functionality is implemented in two parts: (a) A kernel component that communicates with the host and (b) A user level daemon that implements data gathering. The attached patch (kvp.patch) implements

I am enclosing a patch that implements the KVP (Key Value Pair) functionality for Linux guests on HyperV. This functionality allows Microsoft Management stack to query information from the guest. This functionality is implemented in two parts: (a) A kernel component that communicates with the host and (b) A user level daemon that implements data gathering. The attached patch (kvp.patch) implements

...registering done.\n"); + kvp_register(); + } + + if (msg->seq =3D=3D KVP_USER_SET) { + /* + * Complete the transaction by forwarding the key value + * to the host. But first, cancel the timeout. + */ + if (cancel_delayed_work_sync(&kvp_work)) + kvp_respond_to_host(message->kvp_key, + message->kvp_value, + !strlen(message->kvp_key));= + } +} + +static int +kvp_send_key(int index) +{ + struct cn_msg *msg; + + msg =3D kzalloc(sizeof(*msg) + sizeof(struct hv_kvp_msg) , = GFP_ATOMIC); + + if (msg) { + msg->id.idx =3D CN_KVP_IDX; + msg->id.val =3D CN_KVP_...

...registering done.\n"); + kvp_register(); + } + + if (msg->seq =3D=3D KVP_USER_SET) { + /* + * Complete the transaction by forwarding the key value + * to the host. But first, cancel the timeout. + */ + if (cancel_delayed_work_sync(&kvp_work)) + kvp_respond_to_host(message->kvp_key, + message->kvp_value, + !strlen(message->kvp_key));= + } +} + +static int +kvp_send_key(int index) +{ + struct cn_msg *msg; + + msg =3D kzalloc(sizeof(*msg) + sizeof(struct hv_kvp_msg) , = GFP_ATOMIC); + + if (msg) { + msg->id.idx =3D CN_KVP_IDX; + msg->id.val =3D CN_KVP_...

...ode registering done.\n"); + kvp_register(); + } + + if (msg->seq == KVP_USER_SET) { + /* + * Complete the transaction by forwarding the key value + * to the host. But first, cancel the timeout. + */ + if (cancel_delayed_work_sync(&kvp_work)) + kvp_respond_to_host(message->kvp_key, + message->kvp_value, + !strlen(message->kvp_key)); + } +} + +static int +kvp_send_key(int index) +{ + struct cn_msg *msg; + + msg = kzalloc(sizeof(*msg) + sizeof(struct hv_kvp_msg) , GFP_ATOMIC); + + if (msg) { + msg->id.idx = CN_KVP_IDX; + msg->id.val = CN_KVP_VAL; + ms...

...ode registering done.\n"); + kvp_register(); + } + + if (msg->seq == KVP_USER_SET) { + /* + * Complete the transaction by forwarding the key value + * to the host. But first, cancel the timeout. + */ + if (cancel_delayed_work_sync(&kvp_work)) + kvp_respond_to_host(message->kvp_key, + message->kvp_value, + !strlen(message->kvp_key)); + } +} + +static int +kvp_send_key(int index) +{ + struct cn_msg *msg; + + msg = kzalloc(sizeof(*msg) + sizeof(struct hv_kvp_msg) , GFP_ATOMIC); + + if (msg) { + msg->id.idx = CN_KVP_IDX; + msg->id.val = CN_KVP_VAL; + ms...

An implementation of key/value pair feature (KVP) for Linux on HyperV. In this version of the patch I have addressed all the comments I have received to date. I have also included the code for the user-level daemon here for your reference. Signed-off-by: K. Y. Srinivasan <ksrinivasan at novell.com> -------------- next part -------------- An embedded and charset-unspecified text was

An implementation of key/value pair feature (KVP) for Linux on HyperV. In this version of the patch I have addressed all the comments I have received to date. I have also included the code for the user-level daemon here for your reference. Signed-off-by: K. Y. Srinivasan <ksrinivasan at novell.com> -------------- next part -------------- An embedded and charset-unspecified text was

...e specified key*/ + KVP_USER_GET, /*User is requesting the value for the specified key*/ + KVP_USER_SET /*User is providing the value for the specified key*/ +}; + +#define HV_KVP_EXCHANGE_MAX_KEY_SIZE 512 +#define HV_KVP_EXCHANGE_MAX_VALUE_SIZE 2048 + +struct hv_ku_msg { + __u32 kvp_index; + __u8 kvp_key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; /* Key name */ + __u8 kvp_value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; /* Key value */ +}; + +enum key_index { + FullyQualifiedDomainName = 0, + IntegrationServicesVersion, /*This key is serviced in the kernel*/ + NetworkAddressIPv4, + NetworkAddressIPv6, + OSBuildNumber,...

...e specified key*/ + KVP_USER_GET, /*User is requesting the value for the specified key*/ + KVP_USER_SET /*User is providing the value for the specified key*/ +}; + +#define HV_KVP_EXCHANGE_MAX_KEY_SIZE 512 +#define HV_KVP_EXCHANGE_MAX_VALUE_SIZE 2048 + +struct hv_ku_msg { + __u32 kvp_index; + __u8 kvp_key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; /* Key name */ + __u8 kvp_value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; /* Key value */ +}; + +enum key_index { + FullyQualifiedDomainName = 0, + IntegrationServicesVersion, /*This key is serviced in the kernel*/ + NetworkAddressIPv4, + NetworkAddressIPv6, + OSBuildNumber,...

...ecified = key*/ + KVP_USER_GET, /*User is requesting the value for the specified = key*/ + KVP_USER_SET /*User is providing the value for the specified key*/ +}; + +#define HV_KVP_EXCHANGE_MAX_KEY_SIZE 512 +#define HV_KVP_EXCHANGE_MAX_VALUE_SIZE 2048 + +struct hv_ku_msg { + __u32 kvp_index; + __u8 kvp_key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; /* Key name */ + __u8 kvp_value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; /* Key value */ +}; + +enum key_index { + FullyQualifiedDomainName =3D 0, + IntegrationServicesVersion, /*This key is serviced in the kernel*/ + NetworkAddressIPv4, + NetworkAddressIPv6, + OSBuildNumbe...

...ecified = key*/ + KVP_USER_GET, /*User is requesting the value for the specified = key*/ + KVP_USER_SET /*User is providing the value for the specified key*/ +}; + +#define HV_KVP_EXCHANGE_MAX_KEY_SIZE 512 +#define HV_KVP_EXCHANGE_MAX_VALUE_SIZE 2048 + +struct hv_ku_msg { + __u32 kvp_index; + __u8 kvp_key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; /* Key name */ + __u8 kvp_value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; /* Key value */ +}; + +enum key_index { + FullyQualifiedDomainName =3D 0, + IntegrationServicesVersion, /*This key is serviced in the kernel*/ + NetworkAddressIPv4, + NetworkAddressIPv6, + OSBuildNumbe...

...e specified key*/ + KVP_USER_GET, /*User is requesting the value for the specified key*/ + KVP_USER_SET /*User is providing the value for the specified key*/ +}; + +#define HV_KVP_EXCHANGE_MAX_KEY_SIZE 512 +#define HV_KVP_EXCHANGE_MAX_VALUE_SIZE 2048 + +struct hv_ku_msg { + __u32 kvp_index; + __u8 kvp_key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; /* Key name */ + __u8 kvp_value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; /* Key value */ +}; + +enum key_index { + FullyQualifiedDomainName = 0, + IntegrationServicesVersion, /*This key is serviced in the kernel*/ + NetworkAddressIPv4, + NetworkAddressIPv6, + OSBuildNumber,...

...e specified key*/ + KVP_USER_GET, /*User is requesting the value for the specified key*/ + KVP_USER_SET /*User is providing the value for the specified key*/ +}; + +#define HV_KVP_EXCHANGE_MAX_KEY_SIZE 512 +#define HV_KVP_EXCHANGE_MAX_VALUE_SIZE 2048 + +struct hv_ku_msg { + __u32 kvp_index; + __u8 kvp_key[HV_KVP_EXCHANGE_MAX_KEY_SIZE]; /* Key name */ + __u8 kvp_value[HV_KVP_EXCHANGE_MAX_VALUE_SIZE]; /* Key value */ +}; + +enum key_index { + FullyQualifiedDomainName = 0, + IntegrationServicesVersion, /*This key is serviced in the kernel*/ + NetworkAddressIPv4, + NetworkAddressIPv6, + OSBuildNumber,...