119 lines
3.8 KiB
C
119 lines
3.8 KiB
C
/*-
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* Copyright (c) 2017 Broadcom. All rights reserved.
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* The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __OCS_CAM_H__
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#define __OCS_CAM_H__
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#include <cam/cam.h>
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#include <cam/cam_sim.h>
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#include <cam/cam_ccb.h>
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#include <cam/cam_periph.h>
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#include <cam/cam_xpt_sim.h>
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#include <cam/scsi/scsi_message.h>
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#define ccb_ocs_ptr spriv_ptr0
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#define ccb_io_ptr spriv_ptr1
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typedef STAILQ_HEAD(ocs_hdr_list_s, ccb_hdr) ocs_hdr_list_t;
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typedef struct ocs_tgt_resource_s {
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ocs_hdr_list_t atio;
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ocs_hdr_list_t inot;
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uint8_t enabled;
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lun_id_t lun;
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} ocs_tgt_resource_t;
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/* Common SCSI Domain structure declarations */
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typedef struct {
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} ocs_scsi_tgt_domain_t;
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typedef struct {
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} ocs_scsi_ini_domain_t;
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/* Common SCSI SLI port structure declarations */
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typedef struct {
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} ocs_scsi_tgt_sport_t;
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typedef struct {
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} ocs_scsi_ini_sport_t;
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/* Common IO structure declarations */
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typedef enum {
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OCS_CAM_IO_FREE, /* IO unused (SIM) */
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OCS_CAM_IO_COMMAND, /* ATIO returned to BE (CTL) */
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OCS_CAM_IO_DATA, /* data phase (SIM) */
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OCS_CAM_IO_DATA_DONE, /* CTIO returned to BE (CTL) */
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OCS_CAM_IO_RESP, /* send response (SIM) */
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OCS_CAM_IO_MAX
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} ocs_cam_io_state_t;
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typedef struct {
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bus_dmamap_t dmap;
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uint64_t lun; /* target_lun */
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void *app; /** application specific pointer */
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ocs_cam_io_state_t state;
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bool sendresp;
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uint32_t flags;
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#define OCS_CAM_IO_F_DMAPPED BIT(0) /* associated buffer bus_dmamap'd */
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#define OCS_CAM_IO_F_ABORT_RECV BIT(1) /* received ABORT TASK */
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#define OCS_CAM_IO_F_ABORT_DEV BIT(2) /* abort WQE pending */
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#define OCS_CAM_IO_F_ABORT_TMF BIT(3) /* TMF response sent */
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#define OCS_CAM_IO_F_ABORT_NOTIFY BIT(4) /* XPT_NOTIFY sent to CTL */
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#define OCS_CAM_IO_F_ABORT_CAM BIT(5) /* received ABORT or CTIO from CAM */
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} ocs_scsi_tgt_io_t;
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typedef struct {
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} ocs_scsi_ini_io_t;
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struct ocs_lun_crn {
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uint64_t lun; /* target_lun */
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uint8_t crnseed; /* next command reference number */
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};
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/* Common NODE structure declarations */
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typedef struct {
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struct ocs_lun_crn *lun_crn[OCS_MAX_LUN];
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} ocs_scsi_ini_node_t;
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typedef struct {
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uint32_t busy_sent;
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} ocs_scsi_tgt_node_t;
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extern int32_t ocs_cam_attach(ocs_t *ocs);
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extern int32_t ocs_cam_detach(ocs_t *ocs);
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#endif /* __OCS_CAM_H__ */
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