target_core_pscsi.h

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#ifndef TARGET_CORE_PSCSI_H
#define TARGET_CORE_PSCSI_H

#define PSCSI_VERSION       "v4.0"

/* used in pscsi_find_alloc_len() */
#ifndef INQUIRY_DATA_SIZE
#define INQUIRY_DATA_SIZE   0x24
#endif

/* used in pscsi_add_device_to_list() */
#define PSCSI_DEFAULT_QUEUEDEPTH    1

#define PS_RETRY        5
#define PS_TIMEOUT_DISK     (15*HZ)
#define PS_TIMEOUT_OTHER    (500*HZ)

#include <linux/device.h>
#include <scsi/scsi_driver.h>
#include <scsi/scsi_device.h>
#include <linux/kref.h>
#include <linux/kobject.h>

struct pscsi_plugin_task {
    unsigned char pscsi_sense[SCSI_SENSE_BUFFERSIZE];
    int pscsi_direction;
    int pscsi_result;
    u32 pscsi_resid;
    unsigned char pscsi_cdb[0];
} ____cacheline_aligned;

#define PDF_HAS_CHANNEL_ID  0x01
#define PDF_HAS_TARGET_ID   0x02
#define PDF_HAS_LUN_ID      0x04
#define PDF_HAS_VPD_UNIT_SERIAL 0x08
#define PDF_HAS_VPD_DEV_IDENT   0x10
#define PDF_HAS_VIRT_HOST_ID    0x20

struct pscsi_dev_virt {
    int pdv_flags;
    int pdv_host_id;
    int pdv_channel_id;
    int pdv_target_id;
    int pdv_lun_id;
    struct block_device *pdv_bd;
    struct scsi_device *pdv_sd;
    struct se_hba *pdv_se_hba;
} ____cacheline_aligned;

typedef enum phv_modes {
    PHV_VIRTUAL_HOST_ID,
    PHV_LLD_SCSI_HOST_NO
} phv_modes_t;

struct pscsi_hba_virt {
    int         phv_host_id;
    phv_modes_t     phv_mode;
    struct Scsi_Host    *phv_lld_host;
} ____cacheline_aligned;

#endif   /*** TARGET_CORE_PSCSI_H ***/