1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef TARGET_CORE_PSCSI_H
3#define TARGET_CORE_PSCSI_H
4
5#define PSCSI_VERSION "v4.0"
6
7/* used in pscsi_find_alloc_len() */
8#ifndef INQUIRY_DATA_SIZE
9#define INQUIRY_DATA_SIZE 0x24
10#endif
11
12/* used in pscsi_add_device_to_list() */
13#define PSCSI_DEFAULT_QUEUEDEPTH 1
14
15#define PS_RETRY 5
16#define PS_TIMEOUT_DISK (15*HZ)
17#define PS_TIMEOUT_OTHER (500*HZ)
18
19#include <linux/cache.h> /* ___cacheline_aligned */
20#include <target/target_core_base.h> /* struct se_device */
21
22struct block_device;
23struct scsi_device;
24struct Scsi_Host;
25
26struct pscsi_plugin_task {
27 unsigned char pscsi_cdb[0];
28} ____cacheline_aligned;
29
30#define PDF_HAS_CHANNEL_ID 0x01
31#define PDF_HAS_TARGET_ID 0x02
32#define PDF_HAS_LUN_ID 0x04
33#define PDF_HAS_VPD_UNIT_SERIAL 0x08
34#define PDF_HAS_VPD_DEV_IDENT 0x10
35#define PDF_HAS_VIRT_HOST_ID 0x20
36
37struct pscsi_dev_virt {
38 struct se_device dev;
39 int pdv_flags;
40 int pdv_host_id;
41 int pdv_channel_id;
42 int pdv_target_id;
43 int pdv_lun_id;
44 struct block_device *pdv_bd;
45 struct scsi_device *pdv_sd;
46 struct Scsi_Host *pdv_lld_host;
47} ____cacheline_aligned;
48
49typedef enum phv_modes {
50 PHV_VIRTUAL_HOST_ID,
51 PHV_LLD_SCSI_HOST_NO
52} phv_modes_t;
53
54struct pscsi_hba_virt {
55 int phv_host_id;
56 phv_modes_t phv_mode;
57 struct Scsi_Host *phv_lld_host;
58} ____cacheline_aligned;
59
60#endif /*** TARGET_CORE_PSCSI_H ***/
61