diff options
Diffstat (limited to 'sys/dev/hyperv/include/vmbus.h')
| -rw-r--r-- | sys/dev/hyperv/include/vmbus.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sys/dev/hyperv/include/vmbus.h b/sys/dev/hyperv/include/vmbus.h index b429021..56be416 100644 --- a/sys/dev/hyperv/include/vmbus.h +++ b/sys/dev/hyperv/include/vmbus.h @@ -50,6 +50,9 @@ #define VMBUS_VERSION_MAJOR(ver) (((uint32_t)(ver)) >> 16) #define VMBUS_VERSION_MINOR(ver) (((uint32_t)(ver)) & 0xffff) +#define VMBUS_CHAN_POLLHZ_MIN 100 /* 10ms interval */ +#define VMBUS_CHAN_POLLHZ_MAX 1000000 /* 1us interval */ + /* * GPA stuffs. */ @@ -117,6 +120,8 @@ struct vmbus_chan_br { }; struct vmbus_channel; +struct vmbus_xact; +struct vmbus_xact_ctx; struct hyperv_guid; struct task; struct taskqueue; @@ -129,6 +134,36 @@ vmbus_get_channel(device_t dev) return device_get_ivars(dev); } +/* + * vmbus_chan_open_br() + * + * Return values: + * 0 Succeeded. + * EISCONN Failed, and the memory passed through 'br' is still + * connected. Callers must _not_ free the the memory + * passed through 'br', if this error happens. + * other values Failed. The memory passed through 'br' is no longer + * connected. Callers are free to do anything with the + * memory passed through 'br'. + * + * + * + * vmbus_chan_close_direct() + * + * NOTE: + * Callers of this function _must_ make sure to close all sub-channels before + * closing the primary channel. + * + * Return values: + * 0 Succeeded. + * EISCONN Failed, and the memory associated with the bufring + * is still connected. Callers must _not_ free the the + * memory associated with the bufring, if this error + * happens. + * other values Failed. The memory associated with the bufring is + * no longer connected. Callers are free to do anything + * with the memory associated with the bufring. + */ int vmbus_chan_open(struct vmbus_channel *chan, int txbr_size, int rxbr_size, const void *udata, int udlen, vmbus_chan_callback_t cb, void *cbarg); @@ -136,9 +171,15 @@ int vmbus_chan_open_br(struct vmbus_channel *chan, const struct vmbus_chan_br *cbr, const void *udata, int udlen, vmbus_chan_callback_t cb, void *cbarg); void vmbus_chan_close(struct vmbus_channel *chan); +int vmbus_chan_close_direct(struct vmbus_channel *chan); void vmbus_chan_intr_drain(struct vmbus_channel *chan); void vmbus_chan_run_task(struct vmbus_channel *chan, struct task *task); +void vmbus_chan_set_orphan(struct vmbus_channel *chan, + struct vmbus_xact_ctx *); +void vmbus_chan_unset_orphan(struct vmbus_channel *chan); +const void *vmbus_chan_xact_wait(const struct vmbus_channel *chan, + struct vmbus_xact *xact, size_t *resp_len, bool can_sleep); int vmbus_chan_gpadl_connect(struct vmbus_channel *chan, bus_addr_t paddr, int size, uint32_t *gpadl); @@ -173,6 +214,7 @@ int vmbus_chan_send_prplist(struct vmbus_channel *chan, uint32_t vmbus_chan_id(const struct vmbus_channel *chan); uint32_t vmbus_chan_subidx(const struct vmbus_channel *chan); bool vmbus_chan_is_primary(const struct vmbus_channel *chan); +bool vmbus_chan_is_revoked(const struct vmbus_channel *chan); const struct hyperv_guid * vmbus_chan_guid_inst(const struct vmbus_channel *chan); int vmbus_chan_prplist_nelem(int br_size, int prpcnt_max, @@ -182,4 +224,8 @@ bool vmbus_chan_tx_empty(const struct vmbus_channel *chan); struct taskqueue * vmbus_chan_mgmt_tq(const struct vmbus_channel *chan); +void vmbus_chan_poll_enable(struct vmbus_channel *chan, + u_int pollhz); +void vmbus_chan_poll_disable(struct vmbus_channel *chan); + #endif /* !_VMBUS_H_ */ |
