Differential D7269 Diff 18652 head/sys/dev/hyperv/vmbus/vmbus_reg.h

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head/sys/dev/hyperv/vmbus/vmbus_reg.h

Show First 20 Lines • Show All 96 Lines • ▼ Show 20 Lines	struct vmbus_mnf {

struct hyperv_mon_param		struct hyperv_mon_param
mnf_param[VMBUS_MONTRIGS_MAX][VMBUS_MONTRIG_LEN];		mnf_param[VMBUS_MONTRIGS_MAX][VMBUS_MONTRIG_LEN];
uint8_t mnf_rsvd4[1984];		uint8_t mnf_rsvd4[1984];
} __packed;		} __packed;
CTASSERT(sizeof(struct vmbus_mnf) == PAGE_SIZE);		CTASSERT(sizeof(struct vmbus_mnf) == PAGE_SIZE);

/*		/*
		* Buffer ring
		*/
		struct vmbus_bufring {
		/*
		* If br_windex == br_rindex, this bufring is empty; this
		* means we can _not_ write data to the bufring, if the
		* write is going to make br_windex same as br_rindex.
		*/
		volatile uint32_t br_windex;
		volatile uint32_t br_rindex;

		/*
		* Interrupt mask {0,1}
		*
		* For TX bufring, host set this to 1, when it is processing
		* the TX bufring, so that we can safely skip the TX event
		* notification to host.
		*
		* For RX bufring, once this is set to 1 by us, host will not
		* further dispatch interrupts to us, even if there are data
		* pending on the RX bufring. This effectively disables the
		* interrupt of the channel to which this RX bufring is attached.
		*/
		volatile uint32_t br_imask;

		uint8_t br_rsvd[4084];
		uint8_t br_data[];
		} __packed;
		CTASSERT(sizeof(struct vmbus_bufring) == PAGE_SIZE);

		/*
* Channel		* Channel
*/		*/

#define VMBUS_CHAN_MAX_COMPAT 256		#define VMBUS_CHAN_MAX_COMPAT 256
#define VMBUS_CHAN_MAX (VMBUS_EVTFLAG_LEN * VMBUS_EVTFLAGS_MAX)		#define VMBUS_CHAN_MAX (VMBUS_EVTFLAG_LEN * VMBUS_EVTFLAGS_MAX)

/*		/*
* Channel packets		* Channel packets
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