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path: root/drivers/hv/hyperv_vmbus.h
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Diffstat (limited to 'drivers/hv/hyperv_vmbus.h')
-rw-r--r--drivers/hv/hyperv_vmbus.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 44b1c9424712..887287ad411f 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -49,6 +49,17 @@ enum hv_cpuid_function {
HVCPUID_IMPLEMENTATION_LIMITS = 0x40000005,
};
+#define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE 0x400
+
+#define HV_X64_MSR_CRASH_P0 0x40000100
+#define HV_X64_MSR_CRASH_P1 0x40000101
+#define HV_X64_MSR_CRASH_P2 0x40000102
+#define HV_X64_MSR_CRASH_P3 0x40000103
+#define HV_X64_MSR_CRASH_P4 0x40000104
+#define HV_X64_MSR_CRASH_CTL 0x40000105
+
+#define HV_CRASH_CTL_CRASH_NOTIFY (1ULL << 63)
+
/* Define version of the synthetic interrupt controller. */
#define HV_SYNIC_VERSION (1)
@@ -572,6 +583,8 @@ extern void hv_synic_init(void *irqarg);
extern void hv_synic_cleanup(void *arg);
+extern void hv_synic_clockevents_cleanup(void);
+
/*
* Host version information.
*/
@@ -672,6 +685,23 @@ struct vmbus_msginfo {
extern struct vmbus_connection vmbus_connection;
+enum vmbus_message_handler_type {
+ /* The related handler can sleep. */
+ VMHT_BLOCKING = 0,
+
+ /* The related handler must NOT sleep. */
+ VMHT_NON_BLOCKING = 1,
+};
+
+struct vmbus_channel_message_table_entry {
+ enum vmbus_channel_message_type message_type;
+ enum vmbus_message_handler_type handler_type;
+ void (*message_handler)(struct vmbus_channel_message_header *msg);
+};
+
+extern struct vmbus_channel_message_table_entry
+ channel_message_table[CHANNELMSG_COUNT];
+
/* General vmbus interface */
struct hv_device *vmbus_device_create(const uuid_le *type,
@@ -692,6 +722,7 @@ void vmbus_free_channels(void);
/* Connection interface */
int vmbus_connect(void);
+void vmbus_disconnect(void);
int vmbus_post_msg(void *buffer, size_t buflen);