diff options
Diffstat (limited to 'include/linux/hyperv.h')
| -rw-r--r-- | include/linux/hyperv.h | 101 |
1 files changed, 90 insertions, 11 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 68ed7f7e1fc..e73b852156b 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -122,12 +122,53 @@ #define REG_U32 4 #define REG_U64 8 +/* + * As we look at expanding the KVP functionality to include + * IP injection functionality, we need to maintain binary + * compatibility with older daemons. + * + * The KVP opcodes are defined by the host and it was unfortunate + * that I chose to treat the registration operation as part of the + * KVP operations defined by the host. + * Here is the level of compatibility + * (between the user level daemon and the kernel KVP driver) that we + * will implement: + * + * An older daemon will always be supported on a newer driver. + * A given user level daemon will require a minimal version of the + * kernel driver. + * If we cannot handle the version differences, we will fail gracefully + * (this can happen when we have a user level daemon that is more + * advanced than the KVP driver. + * + * We will use values used in this handshake for determining if we have + * workable user level daemon and the kernel driver. We begin by taking the + * registration opcode out of the KVP opcode namespace. We will however, + * maintain compatibility with the existing user-level daemon code. + */ + +/* + * Daemon code not supporting IP injection (legacy daemon). + */ + +#define KVP_OP_REGISTER 4 + +/* + * Daemon code supporting IP injection. + * The KVP opcode field is used to communicate the + * registration information; so define a namespace that + * will be distinct from the host defined KVP opcode. + */ + +#define KVP_OP_REGISTER1 100 + enum hv_kvp_exchg_op { KVP_OP_GET = 0, KVP_OP_SET, KVP_OP_DELETE, KVP_OP_ENUMERATE, - KVP_OP_REGISTER, + KVP_OP_GET_IP_INFO, + KVP_OP_SET_IP_INFO, KVP_OP_COUNT /* Number of operations, must be last. */ }; @@ -140,6 +181,39 @@ enum hv_kvp_exchg_pool { KVP_POOL_COUNT /* Number of pools, must be last. */ }; +/* + * Some Hyper-V status codes. + */ + +#define HV_S_OK 0x00000000 +#define HV_E_FAIL 0x80004005 +#define HV_S_CONT 0x80070103 +#define HV_ERROR_NOT_SUPPORTED 0x80070032 +#define HV_ERROR_MACHINE_LOCKED 0x800704F7 +#define HV_ERROR_DEVICE_NOT_CONNECTED 0x8007048F +#define HV_INVALIDARG 0x80070057 +#define HV_GUID_NOTFOUND 0x80041002 + +#define ADDR_FAMILY_NONE 0x00 +#define ADDR_FAMILY_IPV4 0x01 +#define ADDR_FAMILY_IPV6 0x02 + +#define MAX_ADAPTER_ID_SIZE 128 +#define MAX_IP_ADDR_SIZE 1024 +#define MAX_GATEWAY_SIZE 512 + + +struct hv_kvp_ipaddr_value { + __u16 adapter_id[MAX_ADAPTER_ID_SIZE]; + __u8 addr_family; + __u8 dhcp_enabled; + __u16 ip_addr[MAX_IP_ADDR_SIZE]; + __u16 sub_net[MAX_IP_ADDR_SIZE]; + __u16 gate_way[MAX_GATEWAY_SIZE]; + __u16 dns_addr[MAX_IP_ADDR_SIZE]; +} __attribute__((packed)); + + struct hv_kvp_hdr { __u8 operation; __u8 pool; @@ -181,16 +255,26 @@ struct hv_kvp_register { }; struct hv_kvp_msg { - struct hv_kvp_hdr kvp_hdr; + union { + struct hv_kvp_hdr kvp_hdr; + int error; + }; union { struct hv_kvp_msg_get kvp_get; struct hv_kvp_msg_set kvp_set; struct hv_kvp_msg_delete kvp_delete; struct hv_kvp_msg_enumerate kvp_enum_data; + struct hv_kvp_ipaddr_value kvp_ip_val; struct hv_kvp_register kvp_register; } body; } __attribute__((packed)); +struct hv_kvp_ip_msg { + __u8 operation; + __u8 pool; + struct hv_kvp_ipaddr_value kvp_ip_val; +} __attribute__((packed)); + #ifdef __KERNEL__ #include <linux/scatterlist.h> #include <linux/list.h> @@ -405,7 +489,7 @@ struct vmtransfer_page_range { struct vmtransfer_page_packet_header { struct vmpacket_descriptor d; u16 xfer_pageset_id; - bool sender_owns_set; + u8 sender_owns_set; u8 reserved; u32 range_cnt; struct vmtransfer_page_range ranges[1]; @@ -559,7 +643,7 @@ struct vmbus_channel_query_vmbus_version { /* VMBus Version Supported parameters */ struct vmbus_channel_version_supported { struct vmbus_channel_message_header header; - bool version_supported; + u8 version_supported; } __packed; /* Offer Channel parameters */ @@ -568,7 +652,7 @@ struct vmbus_channel_offer_channel { struct vmbus_channel_offer offer; u32 child_relid; u8 monitorid; - bool monitor_allocated; + u8 monitor_allocated; } __packed; /* Rescind Offer parameters */ @@ -704,7 +788,7 @@ struct vmbus_channel_initiate_contact { struct vmbus_channel_version_response { struct vmbus_channel_message_header header; - bool version_supported; + u8 version_supported; } __packed; enum vmbus_channel_state { @@ -977,11 +1061,6 @@ void vmbus_driver_unregister(struct hv_driver *hv_driver); #define ICMSGHDRFLAG_REQUEST 2 #define ICMSGHDRFLAG_RESPONSE 4 -#define HV_S_OK 0x00000000 -#define HV_E_FAIL 0x80004005 -#define HV_S_CONT 0x80070103 -#define HV_ERROR_NOT_SUPPORTED 0x80070032 -#define HV_ERROR_MACHINE_LOCKED 0x800704F7 /* * While we want to handle util services as regular devices, |