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scsi: devinfo: change blist_flag_t to 64bit

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Space for SCSI blist flags is gradually running out. Change the type to
__u64 and fix a checkpatch complaint about symbolic mode flags in
scsi_devinfo.c.

Make checkpatch happy by replacing simple_strtoul() with kstrtoull().

Signed-off-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Martin Wilck 2018-04-18 01:35:08 +02:00 committed by Martin K. Petersen
parent 659c1c1b29
commit 1409880357
4 changed files with 40 additions and 32 deletions
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18
drivers/scsi/scsi_devinfo.c
View File

@ -360,8 +360,16 @@ int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model,
scsi_strcpy_devinfo("model", devinfo->model, sizeof(devinfo->model),
model, compatible);
if (strflags)
flags = (__force blist_flags_t)simple_strtoul(strflags, NULL, 0);
if (strflags) {
unsigned long long val;
int ret = kstrtoull(strflags, 0, &val);
if (ret != 0) {
kfree(devinfo);
return ret;
}
flags = (__force blist_flags_t)val;
}
devinfo->flags = flags;
devinfo->compatible = compatible;
@ -614,7 +622,7 @@ static int devinfo_seq_show(struct seq_file *m, void *v)
devinfo_table->name)
seq_printf(m, "[%s]:\n", devinfo_table->name);
seq_printf(m, "'%.8s' '%.16s' 0x%x\n",
seq_printf(m, "'%.8s' '%.16s' 0x%llx\n",
devinfo->vendor, devinfo->model, devinfo->flags);
return 0;
}
@ -733,9 +741,9 @@ MODULE_PARM_DESC(dev_flags,
" list entries for vendor and model with an integer value of flags"
" to the scsi device info list");
module_param_named(default_dev_flags, scsi_default_dev_flags, int, S_IRUGO|S_IWUSR);
module_param_named(default_dev_flags, scsi_default_dev_flags, ullong, 0644);
MODULE_PARM_DESC(default_dev_flags,
"scsi default device flag integer value");
"scsi default device flag uint64_t value");
/**
* scsi_exit_devinfo - remove /proc/scsi/device_info & the scsi_dev_info_list

2
drivers/scsi/scsi_sysfs.c
View File

@ -968,7 +968,7 @@ sdev_show_wwid(struct device *dev, struct device_attribute *attr,
static DEVICE_ATTR(wwid, S_IRUGO, sdev_show_wwid, NULL);
#define BLIST_FLAG_NAME(name) \
[const_ilog2((__force unsigned int)BLIST_##name)] = #name
[const_ilog2((__force __u64)BLIST_##name)] = #name
static const char *const sdev_bflags_name[] = {
#include "scsi_devinfo_tbl.c"
};

2
include/scsi/scsi_device.h
View File

@ -15,7 +15,7 @@ struct scsi_cmnd;
struct scsi_lun;
struct scsi_sense_hdr;
typedef unsigned int __bitwise blist_flags_t;
typedef __u64 __bitwise blist_flags_t;
struct scsi_mode_data {
__u32 length;

50
include/scsi/scsi_devinfo.h
View File

@ -6,55 +6,55 @@
*/
/* Only scan LUN 0 */
#define BLIST_NOLUN ((__force blist_flags_t)(1 << 0))
#define BLIST_NOLUN ((__force blist_flags_t)(1ULL << 0))
/* Known to have LUNs, force scanning.
* DEPRECATED: Use max_luns=N */
#define BLIST_FORCELUN ((__force blist_flags_t)(1 << 1))
#define BLIST_FORCELUN ((__force blist_flags_t)(1ULL << 1))
/* Flag for broken handshaking */
#define BLIST_BORKEN ((__force blist_flags_t)(1 << 2))
#define BLIST_BORKEN ((__force blist_flags_t)(1ULL << 2))
/* unlock by special command */
#define BLIST_KEY ((__force blist_flags_t)(1 << 3))
#define BLIST_KEY ((__force blist_flags_t)(1ULL << 3))
/* Do not use LUNs in parallel */
#define BLIST_SINGLELUN ((__force blist_flags_t)(1 << 4))
#define BLIST_SINGLELUN ((__force blist_flags_t)(1ULL << 4))
/* Buggy Tagged Command Queuing */
#define BLIST_NOTQ ((__force blist_flags_t)(1 << 5))
#define BLIST_NOTQ ((__force blist_flags_t)(1ULL << 5))
/* Non consecutive LUN numbering */
#define BLIST_SPARSELUN ((__force blist_flags_t)(1 << 6))
#define BLIST_SPARSELUN ((__force blist_flags_t)(1ULL << 6))
/* Avoid LUNS >= 5 */
#define BLIST_MAX5LUN ((__force blist_flags_t)(1 << 7))
#define BLIST_MAX5LUN ((__force blist_flags_t)(1ULL << 7))
/* Treat as (removable) CD-ROM */
#define BLIST_ISROM ((__force blist_flags_t)(1 << 8))
#define BLIST_ISROM ((__force blist_flags_t)(1ULL << 8))
/* LUNs past 7 on a SCSI-2 device */
#define BLIST_LARGELUN ((__force blist_flags_t)(1 << 9))
#define BLIST_LARGELUN ((__force blist_flags_t)(1ULL << 9))
/* override additional length field */
#define BLIST_INQUIRY_36 ((__force blist_flags_t)(1 << 10))
#define BLIST_INQUIRY_36 ((__force blist_flags_t)(1ULL << 10))
/* do not do automatic start on add */
#define BLIST_NOSTARTONADD ((__force blist_flags_t)(1 << 12))
#define BLIST_NOSTARTONADD ((__force blist_flags_t)(1ULL << 12))
/* try REPORT_LUNS even for SCSI-2 devs (if HBA supports more than 8 LUNs) */
#define BLIST_REPORTLUN2 ((__force blist_flags_t)(1 << 17))
#define BLIST_REPORTLUN2 ((__force blist_flags_t)(1ULL << 17))
/* don't try REPORT_LUNS scan (SCSI-3 devs) */
#define BLIST_NOREPORTLUN ((__force blist_flags_t)(1 << 18))
#define BLIST_NOREPORTLUN ((__force blist_flags_t)(1ULL << 18))
/* don't use PREVENT-ALLOW commands */
#define BLIST_NOT_LOCKABLE ((__force blist_flags_t)(1 << 19))
#define BLIST_NOT_LOCKABLE ((__force blist_flags_t)(1ULL << 19))
/* device is actually for RAID config */
#define BLIST_NO_ULD_ATTACH ((__force blist_flags_t)(1 << 20))
#define BLIST_NO_ULD_ATTACH ((__force blist_flags_t)(1ULL << 20))
/* select without ATN */
#define BLIST_SELECT_NO_ATN ((__force blist_flags_t)(1 << 21))
#define BLIST_SELECT_NO_ATN ((__force blist_flags_t)(1ULL << 21))
/* retry HARDWARE_ERROR */
#define BLIST_RETRY_HWERROR ((__force blist_flags_t)(1 << 22))
#define BLIST_RETRY_HWERROR ((__force blist_flags_t)(1ULL << 22))
/* maximum 512 sector cdb length */
#define BLIST_MAX_512 ((__force blist_flags_t)(1 << 23))
#define BLIST_MAX_512 ((__force blist_flags_t)(1ULL << 23))
/* Disable T10 PI (DIF) */
#define BLIST_NO_DIF ((__force blist_flags_t)(1 << 25))
#define BLIST_NO_DIF ((__force blist_flags_t)(1ULL << 25))
/* Ignore SBC-3 VPD pages */
#define BLIST_SKIP_VPD_PAGES ((__force blist_flags_t)(1 << 26))
#define BLIST_SKIP_VPD_PAGES ((__force blist_flags_t)(1ULL << 26))
/* Attempt to read VPD pages */
#define BLIST_TRY_VPD_PAGES ((__force blist_flags_t)(1 << 28))
#define BLIST_TRY_VPD_PAGES ((__force blist_flags_t)(1ULL << 28))
/* don't try to issue RSOC */
#define BLIST_NO_RSOC ((__force blist_flags_t)(1 << 29))
#define BLIST_NO_RSOC ((__force blist_flags_t)(1ULL << 29))
/* maximum 1024 sector cdb length */
#define BLIST_MAX_1024 ((__force blist_flags_t)(1 << 30))
#define BLIST_MAX_1024 ((__force blist_flags_t)(1ULL << 30))
/* Use UNMAP limit for WRITE SAME */
#define BLIST_UNMAP_LIMIT_WS ((__force blist_flags_t)(1 << 31))
#define BLIST_UNMAP_LIMIT_WS ((__force blist_flags_t)(1ULL << 31))
#endif