sun4v/io/vdc.c

199 static int	vd_process_efi_ioctl(void *vdisk, int cmd, uintptr_t arg);
261  * This prevents new I/Os on a newly used vdisk to block forever if the
276  * in case this is a critical vdisk (e.g. vdisk access during boot). Then we use
2280 	 * We now walk the MD nodes to find the node for this vdisk.
2353  *	Initialize all the ports for this vdisk instance.
2380 	 * We now walk the MD nodes to find the port nodes for this vdisk.
3208  *	submit the request only when the vdisk is in state VD_STATE_RUNNING.
3209  *	If the vdisk is not in that state then the vdc_submit_request() will
3215  *	submit the request whatever the state of the vdisk is. Then vdc_do_op()
4242 	DMSG(vdcp, 0, "[%d] Switched to next vdisk server, port@%ld, ldc@%ld\n",
4267 		cmn_err(CE_CONT, "?vdisk@%d is offline\n", instance);
4271 		cmn_err(CE_CONT, "?vdisk@%d is connected using ldc@%ld,%ld\n",
4276 		cmn_err(CE_CONT, "?vdisk@%d is online using ldc@%ld,%ld\n",
4281 		cmn_err(CE_CONT, "?vdisk@%d access to service failed "
4286 		cmn_err(CE_CONT, "?vdisk@%d access to backend failed "
4474 			 * whether the vdisk is trying to connect to just
4702 			cmn_err(CE_NOTE, "vdisk@%d disk access failed",
4761 				cmn_err(CE_NOTE, "vdisk@%d disk access "
5054 		 * of the request until we have checked that the vdisk backend
5930  * a VD_OP_SCSICMD operation which is sent to the vdisk server. If a SCSI
6184  * to a SCSI PERSISTENT IN READ KEYS command which is sent to the vdisk
6297  * the vdisk server with a VD_OP_SCSICMD operation.
6424  * to a SCSI PERSISTENT OUT REGISTER command which is sent to the vdisk
6463  * to a SCSI PERSISTENT OUT RESERVE command which is sent to the vdisk
6505  * is sent to the vdisk server with a VD_OP_SCSICMD operation.
6550  * command which is sent to the vdisk server with a VD_OP_SCSICMD operation.
6743  * when it has failed and failfast is enabled or the vdisk has multiple
6835  * be enabled for vdisk supporting SCSI commands.
7101  * Get the size and the block size of a virtual disk from the vdisk server.
7139 	 * If the vdisk does not support the VD_OP_GET_CAPACITY operation
7155 	 * vdisk block size). If this returns an error then that means that
7156 	 * we can not use that block size so basically the vdisk is unusable
7247  * function and forward them to the vdisk.
7250 vd_process_efi_ioctl(void *vdisk, int cmd, uintptr_t arg)
7252 	vdc_t *vdc = (vdc_t *)vdisk;
8240  * same as the vdisk block size which is stored in vdc->vdisk_bsize so we
8615 		cmn_err(CE_WARN, "vdisk@%d backend devid has changed",
8620 		cmn_err(CE_CONT, "vdisk@%d backend initial devid: %s",
8629 		cmn_err(CE_CONT, "vdisk@%d backend current devid: %s",