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Date: Wed, 18 Apr 2018 01:35:08 +0200
From: Martin Wilck <mwilck@...e.com>
To: "Martin K. Petersen" <martin.petersen@...cle.com>
Cc: linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
Hannes Reinecke <hare@...e.de>,
James Bottomley <jejb@...ux.vnet.ibm.com>,
Xose Vazquez Perez <xose.vazquez@...il.com>,
Bart Van Assche <Bart.VanAssche@...disk.com>,
Hannes Reinecke <hare@...e.com>,
Johannes Thumshirn <jthumshirn@...e.de>,
Bart Van Assche <bart.vanassche@....com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Christoph Hellwig <hch@....de>,
Janusz Dziemidowicz <rraptorr@...ls.eu.org>,
Jens Axboe <axboe@...nel.dk>,
Alasdair G Kergon <agk@...hat.com>,
Tejun Heo <tj@...nel.org>, Vivek Goyal <vgoyal@...hat.com>,
Jun'ichi Nomura <j-nomura@...jp.nec.com>,
Johannes Thumshirn <jthumshirn@...e.com>
Subject: [PATCH v3 3/6] scsi: devinfo: change blist_flag_t to 64bit
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@...e.com>
---
drivers/scsi/scsi_devinfo.c | 18 +++++++++++-----
drivers/scsi/scsi_sysfs.c | 2 +-
include/scsi/scsi_device.h | 2 +-
include/scsi/scsi_devinfo.h | 50 ++++++++++++++++++++++-----------------------
4 files changed, 40 insertions(+), 32 deletions(-)
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index e5370d7..fc6b755 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -361,8 +361,16 @@ 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;
@@ -615,7 +623,7 @@ 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;
}
@@ -734,9 +742,9 @@ 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
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index feacd7a..43c27ce 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -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"
};
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 7ae177c..4c36af6 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -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;
diff --git a/include/scsi/scsi_devinfo.h b/include/scsi/scsi_devinfo.h
index ea67c32..e206d29 100644
--- a/include/scsi/scsi_devinfo.h
+++ b/include/scsi/scsi_devinfo.h
@@ -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
--
2.16.1
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