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Diffstat (limited to 'include/linux/hyperv.h')
-rw-r--r--include/linux/hyperv.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index fbae8406d5d4..2ea967bc17ad 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1480,6 +1480,7 @@ void vmbus_free_mmio(resource_size_t start, resource_size_t size);
#define ICMSGTYPE_SHUTDOWN 3
#define ICMSGTYPE_TIMESYNC 4
#define ICMSGTYPE_VSS 5
+#define ICMSGTYPE_FCOPY 7
#define ICMSGHDRFLAG_TRANSACTION 1
#define ICMSGHDRFLAG_REQUEST 2
@@ -1523,6 +1524,12 @@ struct icmsg_hdr {
u8 reserved[2];
} __packed;
+#define IC_VERSION_NEGOTIATION_MAX_VER_COUNT 100
+#define ICMSG_HDR (sizeof(struct vmbuspipe_hdr) + sizeof(struct icmsg_hdr))
+#define ICMSG_NEGOTIATE_PKT_SIZE(icframe_vercnt, icmsg_vercnt) \
+ (ICMSG_HDR + offsetof(struct icmsg_negotiate, icversion_data) + \
+ (((icframe_vercnt) + (icmsg_vercnt)) * sizeof(struct ic_version)))
+
struct icmsg_negotiate {
u16 icframe_vercnt;
u16 icmsg_vercnt;
@@ -1578,7 +1585,7 @@ struct hyperv_service_callback {
};
#define MAX_SRV_VER 0x7ffffff
-extern bool vmbus_prep_negotiate_resp(struct icmsg_hdr *icmsghdrp, u8 *buf,
+extern bool vmbus_prep_negotiate_resp(struct icmsg_hdr *icmsghdrp, u8 *buf, u32 buflen,
const int *fw_version, int fw_vercnt,
const int *srv_version, int srv_vercnt,
int *nego_fw_version, int *nego_srv_version);