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drivers/target/target_core_pscsi.h 1.34 KB
81f7e3824   Eric Lee   Initial Release, ...
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  /* SPDX-License-Identifier: GPL-2.0 */
  #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/cache.h>             /* ___cacheline_aligned */
  #include <target/target_core_base.h> /* struct se_device */
  
  struct block_device;
  struct scsi_device;
  struct Scsi_Host;
  
  struct pscsi_plugin_task {
  	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 {
  	struct se_device dev;
  	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 Scsi_Host *pdv_lld_host;
  } ____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 ***/