freebsd-skq/sys/dev/ocs_fc/ocs_cam.h
2020-09-01 22:02:12 +00:00

121 lines
3.8 KiB
C

/*-
* Copyright (c) 2017 Broadcom. All rights reserved.
* The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
*
* 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.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*
* $FreeBSD$
*/
#ifndef __OCS_CAM_H__
#define __OCS_CAM_H__
#include <cam/cam.h>
#include <cam/cam_sim.h>
#include <cam/cam_ccb.h>
#include <cam/cam_periph.h>
#include <cam/cam_xpt_sim.h>
#include <cam/scsi/scsi_message.h>
#define ccb_ocs_ptr spriv_ptr0
#define ccb_io_ptr spriv_ptr1
typedef STAILQ_HEAD(ocs_hdr_list_s, ccb_hdr) ocs_hdr_list_t;
typedef struct ocs_tgt_resource_s {
ocs_hdr_list_t atio;
ocs_hdr_list_t inot;
uint8_t enabled;
lun_id_t lun;
} ocs_tgt_resource_t;
/* Common SCSI Domain structure declarations */
typedef struct {
} ocs_scsi_tgt_domain_t;
typedef struct {
} ocs_scsi_ini_domain_t;
/* Common SCSI SLI port structure declarations */
typedef struct {
} ocs_scsi_tgt_sport_t;
typedef struct {
} ocs_scsi_ini_sport_t;
/* Common IO structure declarations */
typedef enum {
OCS_CAM_IO_FREE, /* IO unused (SIM) */
OCS_CAM_IO_COMMAND, /* ATIO returned to BE (CTL) */
OCS_CAM_IO_DATA, /* data phase (SIM) */
OCS_CAM_IO_DATA_DONE, /* CTIO returned to BE (CTL) */
OCS_CAM_IO_RESP, /* send response (SIM) */
OCS_CAM_IO_MAX
} ocs_cam_io_state_t;
typedef struct {
bus_dmamap_t dmap;
uint64_t lun; /* target_lun */
void *app; /** application specific pointer */
ocs_cam_io_state_t state;
bool sendresp;
uint32_t flags;
#define OCS_CAM_IO_F_DMAPPED BIT(0) /* associated buffer bus_dmamap'd */
#define OCS_CAM_IO_F_ABORT_RECV BIT(1) /* received ABORT TASK */
#define OCS_CAM_IO_F_ABORT_DEV BIT(2) /* abort WQE pending */
#define OCS_CAM_IO_F_ABORT_TMF BIT(3) /* TMF response sent */
#define OCS_CAM_IO_F_ABORT_NOTIFY BIT(4) /* XPT_NOTIFY sent to CTL */
#define OCS_CAM_IO_F_ABORT_CAM BIT(5) /* received ABORT or CTIO from CAM */
} ocs_scsi_tgt_io_t;
typedef struct {
} ocs_scsi_ini_io_t;
struct ocs_lun_crn {
uint64_t lun; /* target_lun */
uint8_t crnseed; /* next command reference number */
};
/* Common NODE structure declarations */
typedef struct {
struct ocs_lun_crn *lun_crn[OCS_MAX_LUN];
} ocs_scsi_ini_node_t;
typedef struct {
uint32_t busy_sent;
} ocs_scsi_tgt_node_t;
extern int32_t ocs_cam_attach(ocs_t *ocs);
extern int32_t ocs_cam_detach(ocs_t *ocs);
#endif /* __OCS_CAM_H__ */