tools/hv/vmbus_bufring.h

1 /* SPDX-License-Identifier: BSD-3-Clause */
12 #define ICMSGHDRFLAG_TRANSACTION	1
16 #define IC_VERSION_NEGOTIATION_MAX_VER_COUNT 100
48 	 * Interrupt mask {0,1}
50 	 * For TX bufring, host set this to 1, when it is processing
54 	 * For RX bufring, once this is set to 1 by us, host will not
75 			uint32_t feat_pending_send_sz:1;
139 void vmbus_br_setup(struct vmbus_br *br, void *buf, unsigned int blen);
143 static inline uint32_t vmbus_br_availwrite(const struct vmbus_br *br, uint32_t windex)  in vmbus_br_availwrite()  argument
145 	uint32_t rindex = br->vbr->rindex;  in vmbus_br_availwrite()
148 		return br->dsize - (windex - rindex);  in vmbus_br_availwrite()
150 		return rindex - windex;  in vmbus_br_availwrite()
153 static inline uint32_t vmbus_br_availread(const struct vmbus_br *br)  in vmbus_br_availread()  argument
155 	return br->dsize - vmbus_br_availwrite(br, br->vbr->windex);  in vmbus_br_availread()