Differential D7113 Diff 18418 head/sys/dev/hyperv/include/hyperv.h

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head/sys/dev/hyperv/include/hyperv.h

Show First 20 Lines • Show All 287 Lines • ▼ Show 20 Lines	typedef struct hv_vmbus_channel {
* delivered on cpu 0. Setting this value to 0 would preserve		* delivered on cpu 0. Setting this value to 0 would preserve
* the earlier behavior.		* the earlier behavior.
*/		*/
uint32_t target_vcpu;		uint32_t target_vcpu;
/* The corresponding CPUID in the guest */		/* The corresponding CPUID in the guest */
uint32_t target_cpu;		uint32_t target_cpu;

/*		/*
* Support for multi-channels.		* If this is a primary channel, ch_subchan* fields
* The initial offer is considered the primary channel and this		* contain sub-channels belonging to this primary
* offer message will indicate if the host supports multi-channels.		* channel.
* 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.
*/		*/
		struct mtx ch_subchan_lock;
		TAILQ_HEAD(, hv_vmbus_channel) ch_subchans;
		int ch_subchan_cnt;

struct mtx sc_lock;		/* If this is a sub-channel */
		TAILQ_ENTRY(hv_vmbus_channel) ch_sublink; /* sub-channel link */
/*		struct hv_vmbus_channel ch_prichan; / owner primary chan */
* 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;
int subchan_cnt;

/*
* The primary channel this sub-channle belongs to.
* This will be NULL for the primary channel.
*/
struct hv_vmbus_channel *primary_channel;

/*		/*
* Driver private data		* Driver private data
*/		*/
void *hv_chan_priv1;		void *hv_chan_priv1;
void *hv_chan_priv2;		void *hv_chan_priv2;
void *hv_chan_priv3;		void *hv_chan_priv3;

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