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Diffstat (limited to '')
| -rw-r--r-- | drivers/target/target_core_pscsi.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/target/target_core_pscsi.h b/drivers/target/target_core_pscsi.h new file mode 100644 index 000000000..23d9a6e34 --- /dev/null +++ b/drivers/target/target_core_pscsi.h @@ -0,0 +1,56 @@ +/* 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; + +#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 ***/ |