diff options
Diffstat (limited to 'sys/cam/ctl/ctl_frontend_internal.h')
| -rw-r--r-- | sys/cam/ctl/ctl_frontend_internal.h | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/sys/cam/ctl/ctl_frontend_internal.h b/sys/cam/ctl/ctl_frontend_internal.h deleted file mode 100644 index cb00dc6..0000000 --- a/sys/cam/ctl/ctl_frontend_internal.h +++ /dev/null @@ -1,154 +0,0 @@ -/*- - * Copyright (c) 2004 Silicon Graphics International Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - * - * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_frontend_internal.h#1 $ - * $FreeBSD$ - */ -/* - * CTL kernel internal frontend target driver. This allows kernel-level - * clients to send commands into CTL. - * - * Author: Ken Merry <ken@FreeBSD.org> - */ - -#ifndef _CTL_FRONTEND_INTERNAL_H_ -#define _CTL_FRONTEND_INTERNAL_H_ - -/* - * These are general metatask error codes. If the error code is CFI_MT_ERROR, - * check any metatask-specific status codes for more detail on the problem. - */ -typedef enum { - CFI_MT_NONE, - CFI_MT_PORT_OFFLINE, - CFI_MT_ERROR, - CFI_MT_SUCCESS -} cfi_mt_status; - -typedef enum { - CFI_TASK_NONE, - CFI_TASK_SHUTDOWN, - CFI_TASK_STARTUP, - CFI_TASK_BBRREAD -} cfi_tasktype; - -struct cfi_task_startstop { - int total_luns; - int luns_complete; - int luns_failed; -}; - -/* - * Error code description: - * CFI_BBR_SUCCESS - the read was successful - * CFI_BBR_LUN_UNCONFIG - CFI probe for this lun hasn't completed - * CFI_BBR_NO_LUN - this lun doesn't exist, as far as CFI knows - * CFI_BBR_NO_MEM - memory allocation error - * CFI_BBR_BAD_LEN - data length isn't a multiple of the blocksize - * CFI_BBR_RESERV_CONFLICT - another initiator has this lun reserved, so - * we can't issue I/O at all. - * CFI_BBR_LUN_STOPPED - the lun is powered off. - * CFI_BBR_LUN_OFFLINE_CTL - the lun is offline from a CTL standpoint - * CFI_BBR_LUN_OFFLINE_RC - the lun is offline from a RAIDCore standpoint. - * This is bad, because it basically means we've - * had a double failure on the LUN. - * CFI_BBR_SCSI_ERROR - generic SCSI error, see status byte and sense - * data for more resolution if you want it. - * CFI_BBR_ERROR - the catch-all error code. - */ -typedef enum { - CFI_BBR_SUCCESS, - CFI_BBR_LUN_UNCONFIG, - CFI_BBR_NO_LUN, - CFI_BBR_NO_MEM, - CFI_BBR_BAD_LEN, - CFI_BBR_RESERV_CONFLICT, - CFI_BBR_LUN_STOPPED, - CFI_BBR_LUN_OFFLINE_CTL, - CFI_BBR_LUN_OFFLINE_RC, - CFI_BBR_SCSI_ERROR, - CFI_BBR_ERROR, -} cfi_bbrread_status; - -struct cfi_task_bbrread { - int lun_num; /* lun number */ - uint64_t lba; /* logical block address */ - int len; /* length in bytes */ - cfi_bbrread_status status; /* BBR status */ - uint8_t scsi_status; /* SCSI status */ - struct scsi_sense_data sense_data; /* SCSI sense data */ -}; - -union cfi_taskinfo { - struct cfi_task_startstop startstop; - struct cfi_task_bbrread bbrread; -}; - -struct cfi_metatask; - -typedef void (*cfi_cb_t)(void *arg, struct cfi_metatask *metatask); - -struct cfi_metatask { - cfi_tasktype tasktype; /* passed to CFI */ - cfi_mt_status status; /* returned from CFI */ - union cfi_taskinfo taskinfo; /* returned from CFI */ - struct ctl_mem_element *element; /* used by CFI, don't touch*/ - cfi_cb_t callback; /* passed to CFI */ - void *callback_arg; /* passed to CFI */ - STAILQ_ENTRY(cfi_metatask) links; /* used by CFI, don't touch*/ -}; - -#ifdef _KERNEL - -MALLOC_DECLARE(M_CTL_CFI); - -/* - * This is the API for sending meta commands (commands that are sent to more - * than one LUN) to the internal frontend: - * - Allocate a metatask using cfi_alloc_metatask(). can_wait == 0 means - * that you're calling from an interrupt context. can_wait == 1 means - * that you're calling from a thread context and don't mind waiting to - * allocate memory. - * - Setup the task type, callback and callback argument. - * - Call cfi_action(). - * - When the callback comes, note the status and any per-command status - * (see the taskinfo union) and then free the metatask with - * cfi_free_metatask(). - */ -struct cfi_metatask *cfi_alloc_metatask(int can_wait); -void cfi_free_metatask(struct cfi_metatask *metatask); -void cfi_action(struct cfi_metatask *metatask); - -#endif /* _KERNEL */ - -#endif /* _CTL_FRONTEND_INTERNAL_H_ */ - -/* - * vim: ts=8 - */ |
