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-rw-r--r--sys/dev/hyperv/include/hyperv.h167
1 files changed, 160 insertions, 7 deletions
diff --git a/sys/dev/hyperv/include/hyperv.h b/sys/dev/hyperv/include/hyperv.h
index 8a45d89..5360b7c 100644
--- a/sys/dev/hyperv/include/hyperv.h
+++ b/sys/dev/hyperv/include/hyperv.h
@@ -46,6 +46,7 @@
#include <sys/systm.h>
#include <sys/lock.h>
#include <sys/sema.h>
+#include <sys/smp.h>
#include <sys/mutex.h>
#include <sys/bus.h>
#include <vm/vm.h>
@@ -63,11 +64,22 @@ typedef uint8_t hv_bool_uint8_t;
#define HV_ERROR_MACHINE_LOCKED 0x800704F7
/*
- * A revision number of vmbus that is used for ensuring both ends on a
- * partition are using compatible versions.
+ * VMBUS version is 32 bit, upper 16 bit for major_number and lower
+ * 16 bit for minor_number.
+ *
+ * 0.13 -- Windows Server 2008
+ * 1.1 -- Windows 7
+ * 2.4 -- Windows 8
+ * 3.0 -- Windows 8.1
*/
+#define HV_VMBUS_VERSION_WS2008 ((0 << 16) | (13))
+#define HV_VMBUS_VERSION_WIN7 ((1 << 16) | (1))
+#define HV_VMBUS_VERSION_WIN8 ((2 << 16) | (4))
+#define HV_VMBUS_VERSION_WIN8_1 ((3 << 16) | (0))
+
+#define HV_VMBUS_VERSION_INVALID -1
-#define HV_VMBUS_REVISION_NUMBER 13
+#define HV_VMBUS_VERSION_CURRENT HV_VMBUS_VERSION_WIN8_1
/*
* Make maximum size of pipe payload of 16K
@@ -112,6 +124,18 @@ typedef struct hv_guid {
unsigned char data[16];
} __packed hv_guid;
+#define HV_NIC_GUID \
+ .data = {0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46, \
+ 0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E}
+
+#define HV_IDE_GUID \
+ .data = {0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44, \
+ 0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5}
+
+#define HV_SCSI_GUID \
+ .data = {0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d, \
+ 0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f}
+
/*
* At the center of the Channel Management library is
* the Channel Offer. This struct contains the
@@ -147,7 +171,11 @@ typedef struct hv_vmbus_channel_offer {
} __packed pipe;
} u;
- uint32_t padding;
+ /*
+ * Sub_channel_index, newly added in Win8.
+ */
+ uint16_t sub_channel_index;
+ uint16_t padding;
} __packed hv_vmbus_channel_offer;
@@ -344,7 +372,25 @@ typedef struct {
hv_vmbus_channel_offer offer;
uint32_t child_rel_id;
uint8_t monitor_id;
- hv_bool_uint8_t monitor_allocated;
+ /*
+ * This field has been split into a bit field on Win7
+ * and higher.
+ */
+ uint8_t monitor_allocated:1;
+ uint8_t reserved:7;
+ /*
+ * Following fields were added in win7 and higher.
+ * Make sure to check the version before accessing these fields.
+ *
+ * If "is_dedicated_interrupt" is set, we must not set the
+ * associated bit in the channel bitmap while sending the
+ * interrupt to the host.
+ *
+ * connection_id is used in signaling the host.
+ */
+ uint16_t is_dedicated_interrupt:1;
+ uint16_t reserved1:15;
+ uint32_t connection_id;
} __packed hv_vmbus_channel_offer_channel;
/*
@@ -394,9 +440,11 @@ typedef struct
hv_gpadl_handle ring_buffer_gpadl_handle;
/*
- * GPADL for the channel's server context save area.
+ * Before win8, all incoming channel interrupts are only
+ * delivered on cpu 0. Setting this value to 0 would
+ * preserve the earlier behavior.
*/
- hv_gpadl_handle server_context_area_gpadl_handle;
+ uint32_t target_vcpu;
/*
* The upstream ring buffer begins at offset zero in the memory described
@@ -646,14 +694,42 @@ typedef struct {
} hv_vmbus_ring_buffer_info;
typedef void (*hv_vmbus_pfn_channel_callback)(void *context);
+typedef void (*hv_vmbus_sc_creation_callback)(void *context);
typedef enum {
HV_CHANNEL_OFFER_STATE,
HV_CHANNEL_OPENING_STATE,
HV_CHANNEL_OPEN_STATE,
+ HV_CHANNEL_OPENED_STATE,
HV_CHANNEL_CLOSING_NONDESTRUCTIVE_STATE,
} hv_vmbus_channel_state;
+/*
+ * Connection identifier type
+ */
+typedef union {
+ uint32_t as_uint32_t;
+ struct {
+ uint32_t id:24;
+ uint32_t reserved:8;
+ } u;
+
+} __packed hv_vmbus_connection_id;
+
+/*
+ * Definition of the hv_vmbus_signal_event hypercall input structure
+ */
+typedef struct {
+ hv_vmbus_connection_id connection_id;
+ uint16_t flag_number;
+ uint16_t rsvd_z;
+} __packed hv_vmbus_input_signal_event;
+
+typedef struct {
+ uint64_t align8;
+ hv_vmbus_input_signal_event event;
+} __packed hv_vmbus_input_signal_event_buffer;
+
typedef struct hv_vmbus_channel {
TAILQ_ENTRY(hv_vmbus_channel) list_entry;
struct hv_device* device;
@@ -688,8 +764,82 @@ typedef struct hv_vmbus_channel {
hv_vmbus_pfn_channel_callback on_channel_callback;
void* channel_callback_context;
+ /*
+ * If batched_reading is set to "true", mask the interrupt
+ * and read until the channel is empty.
+ * If batched_reading is set to "false", the channel is not
+ * going to perform batched reading.
+ *
+ * Batched reading is enabled by default; specific
+ * drivers that don't want this behavior can turn it off.
+ */
+ boolean_t batched_reading;
+
+ boolean_t is_dedicated_interrupt;
+
+ /*
+ * Used as an input param for HV_CALL_SIGNAL_EVENT hypercall.
+ */
+ hv_vmbus_input_signal_event_buffer signal_event_buffer;
+ /*
+ * 8-bytes aligned of the buffer above
+ */
+ hv_vmbus_input_signal_event *signal_event_param;
+
+ /*
+ * From Win8, this field specifies the target virtual process
+ * on which to deliver the interupt from the host to guest.
+ * Before Win8, all channel interrupts would only be
+ * delivered on cpu 0. Setting this value to 0 would preserve
+ * the earlier behavior.
+ */
+ uint32_t target_vcpu;
+ /* The corresponding CPUID in the guest */
+ uint32_t target_cpu;
+
+ /*
+ * Support for multi-channels.
+ * The initial offer is considered the primary channel and this
+ * offer message will indicate if the host supports multi-channels.
+ * The guest is free to ask for multi-channels to be offerred and can
+ * open these multi-channels as a normal "primary" channel. However,
+ * all multi-channels will have the same type and instance guids as the
+ * primary channel. Requests sent on a given channel will result in a
+ * response on the same channel.
+ */
+
+ /*
+ * Multi-channel creation callback. This callback will be called in
+ * process context when a Multi-channel offer is received from the host.
+ * The guest can open the Multi-channel in the context of this callback.
+ */
+ hv_vmbus_sc_creation_callback sc_creation_callback;
+
+ struct mtx sc_lock;
+
+ /*
+ * Link list of all the multi-channels if this is a primary channel
+ */
+ TAILQ_HEAD(, hv_vmbus_channel) sc_list_anchor;
+ TAILQ_ENTRY(hv_vmbus_channel) sc_list_entry;
+
+ /*
+ * The primary channel this sub-channle belongs to.
+ * This will be NULL for the primary channel.
+ */
+ struct hv_vmbus_channel *primary_channel;
+ /*
+ * Support per channel state for use by vmbus drivers.
+ */
+ void *per_channel_state;
} hv_vmbus_channel;
+static inline void
+hv_set_channel_read_state(hv_vmbus_channel* channel, boolean_t state)
+{
+ channel->batched_reading = state;
+}
+
typedef struct hv_device {
hv_guid class_id;
hv_guid device_id;
@@ -760,6 +910,8 @@ int hv_vmbus_channel_teardown_gpdal(
hv_vmbus_channel* channel,
uint32_t gpadl_handle);
+struct hv_vmbus_channel* vmbus_select_outgoing_channel(struct hv_vmbus_channel *promary);
+
/*
* Work abstraction defines
*/
@@ -819,6 +971,7 @@ typedef struct hv_vmbus_service {
extern uint8_t* receive_buffer[];
extern hv_vmbus_service service_table[];
+extern uint32_t hv_vmbus_protocal_version;
void hv_kvp_callback(void *context);
int hv_kvp_init(hv_vmbus_service *serv);
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