drivers/scsi/storvsc_drv.c

254 struct vstor_packet {
383 			      sizeof(struct vstor_packet))
397 	struct vstor_packet vstor_packet;
716 	struct vstor_packet *vstor_packet;
736 	vstor_packet = &request->vstor_packet;
748 	vstor_packet->operation = VSTOR_OPERATION_CREATE_SUB_CHANNELS;
749 	vstor_packet->flags = REQUEST_COMPLETION_FLAG;
750 	vstor_packet->sub_channel_count = num_sc;
752 	ret = vmbus_sendpacket(device->channel, vstor_packet,
753 			       sizeof(struct vstor_packet),
769 	if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO ||
770 	    vstor_packet->status != 0) {
772 			vstor_packet->operation, vstor_packet->status);
784 		      struct vstor_packet *vstor_packet)
789 	if (vstor_packet->wwn_packet.primary_active) {
791 			wwn_to_u64(vstor_packet->wwn_packet.primary_node_wwn);
793 			wwn_to_u64(vstor_packet->wwn_packet.primary_port_wwn);
796 			wwn_to_u64(vstor_packet->wwn_packet.secondary_node_wwn);
798 			wwn_to_u64(vstor_packet->wwn_packet.secondary_port_wwn);
808 	struct vstor_packet *vstor_packet;
815 	vstor_packet = &request->vstor_packet;
818 	vstor_packet->flags = REQUEST_COMPLETION_FLAG;
820 	ret = vmbus_sendpacket(device->channel, vstor_packet,
821 			       sizeof(struct vstor_packet),
835 	if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO ||
836 	    vstor_packet->status != 0)
846 	struct vstor_packet *vstor_packet;
856 	vstor_packet = &request->vstor_packet;
863 	vstor_packet->operation = VSTOR_OPERATION_BEGIN_INITIALIZATION;
873 		memset(vstor_packet, 0, sizeof(struct vstor_packet));
874 		vstor_packet->operation =
877 		vstor_packet->version.major_minor = protocol_version[i];
882 		vstor_packet->version.revision = 0;
887 		if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO)
890 		if (vstor_packet->status == 0) {
897 	if (vstor_packet->status != 0) {
903 	memset(vstor_packet, 0, sizeof(struct vstor_packet));
904 	vstor_packet->operation = VSTOR_OPERATION_QUERY_PROPERTIES;
914 	max_chns = vstor_packet->storage_channel_properties.max_channel_cnt;
936 	if (vstor_packet->storage_channel_properties.flags &
941 		vstor_packet->storage_channel_properties.max_transfer_bytes;
949 	memset(vstor_packet, 0, sizeof(struct vstor_packet));
950 	vstor_packet->operation = VSTOR_OPERATION_FCHBA_DATA;
958 	cache_wwn(stor_device, vstor_packet);
962 	memset(vstor_packet, 0, sizeof(struct vstor_packet));
963 	vstor_packet->operation = VSTOR_OPERATION_END_INITIALIZATION;
1087 	vm_srb = &cmd_request->vstor_packet.vm_srb;
1128 				  struct vstor_packet *vstor_packet,
1131 	struct vstor_packet *stor_pkt;
1134 	stor_pkt = &request->vstor_packet;
1149 		vstor_packet->vm_srb.scsi_status = 0;
1150 		vstor_packet->vm_srb.srb_status = SRB_STATUS_SUCCESS;
1154 	stor_pkt->vm_srb.scsi_status = vstor_packet->vm_srb.scsi_status;
1155 	stor_pkt->vm_srb.srb_status = vstor_packet->vm_srb.srb_status;
1162 		vstor_packet->vm_srb.sense_info_length);
1164 	if (vstor_packet->vm_srb.scsi_status != 0 ||
1165 	    vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS) {
1179 			vstor_packet->vm_srb.scsi_status,
1180 			vstor_packet->vm_srb.srb_status,
1181 			vstor_packet->status);
1184 	if (vstor_packet->vm_srb.scsi_status == SAM_STAT_CHECK_CONDITION &&
1185 	    (vstor_packet->vm_srb.srb_status & SRB_STATUS_AUTOSENSE_VALID))
1187 		       vstor_packet->vm_srb.sense_data,
1191 		vstor_packet->vm_srb.data_transfer_length;
1201 			     struct vstor_packet *vstor_packet,
1205 	switch (vstor_packet->operation) {
1207 		storvsc_on_io_completion(stor_device, vstor_packet, request);
1218 		cache_wwn(stor_device, vstor_packet);
1250 		struct vstor_packet *packet = hv_pkt_data(desc);
1254 		u32 minlen = rqst_id ? sizeof(struct vstor_packet) :
1277 				 * storvsc_on_receive() looks at the vstor_packet in the message
1280 				 * - If the operation in the vstor_packet is COMPLETE_IO, then
1287 				 * - If the operation in the vstor_packet is FCHBA_DATA, then
1315 		memcpy(&request->vstor_packet, packet,
1316 		       sizeof(struct vstor_packet));
1439 	struct vstor_packet *vstor_packet;
1446 	vstor_packet = &request->vstor_packet;
1525 	vstor_packet->flags |= REQUEST_COMPLETION_FLAG;
1527 	vstor_packet->vm_srb.length = sizeof(struct vmscsi_request);
1530 	vstor_packet->vm_srb.sense_info_length = STORVSC_SENSE_BUFFER_SIZE;
1533 	vstor_packet->vm_srb.data_transfer_length =
1536 	vstor_packet->operation = VSTOR_OPERATION_EXECUTE_SRB;
1542 				vstor_packet,
1543 				sizeof(struct vstor_packet),
1546 		ret = vmbus_sendpacket(outgoing_channel, vstor_packet,
1547 			       sizeof(struct vstor_packet),
1635 	struct vstor_packet *vstor_packet;
1643 	vstor_packet = &request->vstor_packet;
1644 	memset(vstor_packet, 0, sizeof(struct vstor_packet));
1648 	vstor_packet->operation = VSTOR_OPERATION_RESET_BUS;
1649 	vstor_packet->flags = REQUEST_COMPLETION_FLAG;
1650 	vstor_packet->vm_srb.path_id = stor_device->path_id;
1652 	ret = vmbus_sendpacket(device->channel, vstor_packet,
1653 			       sizeof(struct vstor_packet),
1740 	memset(&cmd_request->vstor_packet, 0, sizeof(struct vstor_packet));
1741 	vm_srb = &cmd_request->vstor_packet.vm_srb;
2200 	 * vmbus_channel_packet_multipage_buffer + struct vstor_packet + u64)
2206 		sizeof(struct vstor_packet) + sizeof(u64),