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Commit 5ebde469 authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Martin K. Petersen
Browse files

scsi: Use 'blist_flags_t' for scsi_devinfo flags 



As per recommendation from Linus we should be using a distinct type for
blacklist flags.

[mkp: was cut against an older kernel, applied by hand]

Signed-off-by: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent faae19be

drivers/scsi/scsi_devinfo.c

+9 −9
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@ struct scsi_dev_info_list { 
	struct list_head dev_info_list;

	char vendor[8];

	char model[16];

	unsigned flags;

	blist_flags_t flags;

	unsigned compatible; /* for use with scsi_static_device_list entries */

};
@@ -35,7 +35,7 @@ struct scsi_dev_info_list_table { 




static const char spaces[] = "                "; /* 16 of them */

static unsigned scsi_default_dev_flags;

static blist_flags_t scsi_default_dev_flags;

static LIST_HEAD(scsi_dev_info_list);

static char scsi_dev_flags[256];
@@ -52,7 +52,7 @@ static struct { 
	char *vendor;

	char *model;

	char *revision;	/* revision known to be bad, unused */

	unsigned flags;

	blist_flags_t flags;

} scsi_static_device_list[] __initdata = {

	/*

	 * The following devices are known not to tolerate a lun != 0 scan
@@ -335,7 +335,7 @@ static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length, 
 * Returns: 0 OK, -error on failure.

 **/

static int scsi_dev_info_list_add(int compatible, char *vendor, char *model,

			    char *strflags, int flags)

			    char *strflags, blist_flags_t flags)

{

	return scsi_dev_info_list_add_keyed(compatible, vendor, model,

					    strflags, flags,
@@ -361,7 +361,7 @@ static int scsi_dev_info_list_add(int compatible, char *vendor, char *model, 
 * Returns: 0 OK, -error on failure.

 **/

int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model,

				 char *strflags, int flags, int key)

				 char *strflags, blist_flags_t flags, int key)

{

	struct scsi_dev_info_list *devinfo;

	struct scsi_dev_info_list_table *devinfo_table =
@@ -571,7 +571,7 @@ static int scsi_dev_info_list_add_str(char *dev_list) 
 *     matching flags value, else return the host or global default

 *     settings.  Called during scan time.

 **/

int scsi_get_device_flags(struct scsi_device *sdev,

blist_flags_t scsi_get_device_flags(struct scsi_device *sdev,

				    const unsigned char *vendor,

				    const unsigned char *model)

{
@@ -593,7 +593,7 @@ int scsi_get_device_flags(struct scsi_device *sdev, 
 *     flags value, else return the host or global default settings.

 *     Called during scan time.

 **/

int scsi_get_device_flags_keyed(struct scsi_device *sdev,

blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev,

				const unsigned char *vendor,

				const unsigned char *model,

				int key)

drivers/scsi/scsi_priv.h

+8 −7
Original line number Diff line number Diff line
@@ -50,15 +50,16 @@ enum { 
	SCSI_DEVINFO_SPI,

};



extern int scsi_get_device_flags(struct scsi_device *sdev,

extern blist_flags_t scsi_get_device_flags(struct scsi_device *sdev,

					   const unsigned char *vendor,

					   const unsigned char *model);

extern int scsi_get_device_flags_keyed(struct scsi_device *sdev,

extern blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev,

						 const unsigned char *vendor,

				       const unsigned char *model, int key);

						 const unsigned char *model,

						 int key);

extern int scsi_dev_info_list_add_keyed(int compatible, char *vendor,

					char *model, char *strflags,

					int flags, int key);

					blist_flags_t flags, int key);

extern int scsi_dev_info_list_del_keyed(char *vendor, char *model, int key);

extern int scsi_dev_info_add_list(int key, const char *name);

extern int scsi_dev_info_remove_list(int key);

drivers/scsi/scsi_scan.c

+1 −1
Original line number Diff line number Diff line
@@ -566,7 +566,7 @@ EXPORT_SYMBOL(scsi_sanitize_inquiry_string); 
 *     are copied to the scsi_device any flags value is stored in *@bflags.

 **/

static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result,

			  int result_len, int *bflags)

			  int result_len, blist_flags_t *bflags)

{

	unsigned char scsi_cmd[MAX_COMMAND_SIZE];

	int first_inquiry_len, try_inquiry_len, next_inquiry_len;

include/scsi/scsi_device.h

+3 −1
Original line number Diff line number Diff line
@@ -15,6 +15,8 @@ struct scsi_cmnd; 
struct scsi_lun;

struct scsi_sense_hdr;



typedef unsigned int __bitwise blist_flags_t;



struct scsi_mode_data {

	__u32	length;

	__u16	block_descriptor_length;
@@ -141,7 +143,7 @@ struct scsi_device { 
	unsigned char current_tag;	/* current tag */

	struct scsi_target      *sdev_target;   /* used only for single_lun */



	unsigned int	sdev_bflags; /* black/white flags as also found in

	blist_flags_t		sdev_bflags; /* black/white flags as also found in

				 * scsi_devinfo.[hc]. For now used only to

				 * pass settings from slave_alloc to scsi

				 * core. */

include/scsi/scsi_devinfo.h

+25 −25
Original line number Diff line number Diff line
@@ -6,55 +6,55 @@ 
 */



/* Only scan LUN 0 */

#define BLIST_NOLUN		((__force __u32 __bitwise)(1 << 0))

#define BLIST_NOLUN		((__force blist_flags_t)(1 << 0))

/* Known to have LUNs, force scanning.

 * DEPRECATED: Use max_luns=N */

#define BLIST_FORCELUN		((__force __u32 __bitwise)(1 << 1))

#define BLIST_FORCELUN		((__force blist_flags_t)(1 << 1))

/* Flag for broken handshaking */

#define BLIST_BORKEN		((__force __u32 __bitwise)(1 << 2))

#define BLIST_BORKEN		((__force blist_flags_t)(1 << 2))

/* unlock by special command */

#define BLIST_KEY		((__force __u32 __bitwise)(1 << 3))

#define BLIST_KEY		((__force blist_flags_t)(1 << 3))

/* Do not use LUNs in parallel */

#define BLIST_SINGLELUN		((__force __u32 __bitwise)(1 << 4))

#define BLIST_SINGLELUN		((__force blist_flags_t)(1 << 4))

/* Buggy Tagged Command Queuing */

#define BLIST_NOTQ		((__force __u32 __bitwise)(1 << 5))

#define BLIST_NOTQ		((__force blist_flags_t)(1 << 5))

/* Non consecutive LUN numbering */

#define BLIST_SPARSELUN		((__force __u32 __bitwise)(1 << 6))

#define BLIST_SPARSELUN		((__force blist_flags_t)(1 << 6))

/* Avoid LUNS >= 5 */

#define BLIST_MAX5LUN		((__force __u32 __bitwise)(1 << 7))

#define BLIST_MAX5LUN		((__force blist_flags_t)(1 << 7))

/* Treat as (removable) CD-ROM */

#define BLIST_ISROM		((__force __u32 __bitwise)(1 << 8))

#define BLIST_ISROM		((__force blist_flags_t)(1 << 8))

/* LUNs past 7 on a SCSI-2 device */

#define BLIST_LARGELUN		((__force __u32 __bitwise)(1 << 9))

#define BLIST_LARGELUN		((__force blist_flags_t)(1 << 9))

/* override additional length field */

#define BLIST_INQUIRY_36	((__force __u32 __bitwise)(1 << 10))

#define BLIST_INQUIRY_36	((__force blist_flags_t)(1 << 10))

/* do not do automatic start on add */

#define BLIST_NOSTARTONADD	((__force __u32 __bitwise)(1 << 12))

#define BLIST_NOSTARTONADD	((__force blist_flags_t)(1 << 12))

/* try REPORT_LUNS even for SCSI-2 devs (if HBA supports more than 8 LUNs) */

#define BLIST_REPORTLUN2	((__force __u32 __bitwise)(1 << 17))

#define BLIST_REPORTLUN2	((__force blist_flags_t)(1 << 17))

/* don't try REPORT_LUNS scan (SCSI-3 devs) */

#define BLIST_NOREPORTLUN	((__force __u32 __bitwise)(1 << 18))

#define BLIST_NOREPORTLUN	((__force blist_flags_t)(1 << 18))

/* don't use PREVENT-ALLOW commands */

#define BLIST_NOT_LOCKABLE	((__force __u32 __bitwise)(1 << 19))

#define BLIST_NOT_LOCKABLE	((__force blist_flags_t)(1 << 19))

/* device is actually for RAID config */

#define BLIST_NO_ULD_ATTACH	((__force __u32 __bitwise)(1 << 20))

#define BLIST_NO_ULD_ATTACH	((__force blist_flags_t)(1 << 20))

/* select without ATN */

#define BLIST_SELECT_NO_ATN	((__force __u32 __bitwise)(1 << 21))

#define BLIST_SELECT_NO_ATN	((__force blist_flags_t)(1 << 21))

/* retry HARDWARE_ERROR */

#define BLIST_RETRY_HWERROR	((__force __u32 __bitwise)(1 << 22))

#define BLIST_RETRY_HWERROR	((__force blist_flags_t)(1 << 22))

/* maximum 512 sector cdb length */

#define BLIST_MAX_512		((__force __u32 __bitwise)(1 << 23))

#define BLIST_MAX_512		((__force blist_flags_t)(1 << 23))

/* Disable T10 PI (DIF) */

#define BLIST_NO_DIF		((__force __u32 __bitwise)(1 << 25))

#define BLIST_NO_DIF		((__force blist_flags_t)(1 << 25))

/* Ignore SBC-3 VPD pages */

#define BLIST_SKIP_VPD_PAGES	((__force __u32 __bitwise)(1 << 26))

#define BLIST_SKIP_VPD_PAGES	((__force blist_flags_t)(1 << 26))

/* Attempt to read VPD pages */

#define BLIST_TRY_VPD_PAGES	((__force __u32 __bitwise)(1 << 28))

#define BLIST_TRY_VPD_PAGES	((__force blist_flags_t)(1 << 28))

/* don't try to issue RSOC */

#define BLIST_NO_RSOC		((__force __u32 __bitwise)(1 << 29))

#define BLIST_NO_RSOC		((__force blist_flags_t)(1 << 29))

/* maximum 1024 sector cdb length */

#define BLIST_MAX_1024		((__force __u32 __bitwise)(1 << 30))

#define BLIST_MAX_1024		((__force blist_flags_t)(1 << 30))

/* Use UNMAP limit for WRITE SAME */

#define BLIST_UNMAP_LIMIT_WS	((__force __u32 __bitwise)(1 << 31))

#define BLIST_UNMAP_LIMIT_WS	((__force blist_flags_t)(1 << 31))



#endif