1 #ifndef TARGET_CORE_PSCSI_H
2 #define TARGET_CORE_PSCSI_H
3 
4 #define PSCSI_VERSION		"v4.0"
5 
6 /* used in pscsi_find_alloc_len() */
7 #ifndef INQUIRY_DATA_SIZE
8 #define INQUIRY_DATA_SIZE	0x24
9 #endif
10 
11 /* used in pscsi_add_device_to_list() */
12 #define PSCSI_DEFAULT_QUEUEDEPTH	1
13 
14 #define PS_RETRY		5
15 #define PS_TIMEOUT_DISK		(15*HZ)
16 #define PS_TIMEOUT_OTHER	(500*HZ)
17 
18 #include <linux/cache.h>             /* ___cacheline_aligned */
19 #include <target/target_core_base.h> /* struct se_device */
20 
21 struct block_device;
22 struct scsi_device;
23 struct Scsi_Host;
24 
25 struct pscsi_plugin_task {
26 	unsigned char pscsi_sense[TRANSPORT_SENSE_BUFFER];
27 	int	pscsi_direction;
28 	int	pscsi_result;
29 	u32	pscsi_resid;
30 	unsigned char pscsi_cdb[0];
31 } ____cacheline_aligned;
32 
33 #define PDF_HAS_CHANNEL_ID	0x01
34 #define PDF_HAS_TARGET_ID	0x02
35 #define PDF_HAS_LUN_ID		0x04
36 #define PDF_HAS_VPD_UNIT_SERIAL 0x08
37 #define PDF_HAS_VPD_DEV_IDENT	0x10
38 #define PDF_HAS_VIRT_HOST_ID	0x20
39 
40 struct pscsi_dev_virt {
41 	struct se_device dev;
42 	int	pdv_flags;
43 	int	pdv_host_id;
44 	int	pdv_channel_id;
45 	int	pdv_target_id;
46 	int	pdv_lun_id;
47 	struct block_device *pdv_bd;
48 	struct scsi_device *pdv_sd;
49 	struct Scsi_Host *pdv_lld_host;
50 } ____cacheline_aligned;
51 
52 typedef enum phv_modes {
53 	PHV_VIRTUAL_HOST_ID,
54 	PHV_LLD_SCSI_HOST_NO
55 } phv_modes_t;
56 
57 struct pscsi_hba_virt {
58 	int			phv_host_id;
59 	phv_modes_t		phv_mode;
60 	struct Scsi_Host	*phv_lld_host;
61 } ____cacheline_aligned;
62 
63 #endif   /*** TARGET_CORE_PSCSI_H ***/
64