FreeBSD/Linux Kernel Cross Reference
sys/dev/ocs_fc/ocs_cam.h

     /*-
      * 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__ */

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