diff options
| -rw-r--r-- | drivers/scsi/Makefile | 8 | ||||
| -rw-r--r-- | drivers/scsi/scsi_scan.c | 1 | ||||
| -rw-r--r-- | drivers/scsi/scsi_sysfs.c | 37 |
3 files changed, 46 insertions, 0 deletions
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 93dbe58c47c8..c4298c7fe819 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -191,6 +191,14 @@ clean-files := 53c700_d.h 53c700_u.h $(obj)/53c700.o $(MODVERDIR)/$(obj)/53c700.ver: $(obj)/53c700_d.h +$(obj)/scsi_sysfs.o: $(obj)/scsi_devinfo_tbl.c + +quiet_cmd_bflags = GEN $@ + cmd_bflags = sed -n 's/.*BLIST_\([A-Z0-9_]*\) *.*/BLIST_FLAG_NAME(\1),/p' $< > $@ + +$(obj)/scsi_devinfo_tbl.c: include/scsi/scsi_devinfo.h + $(call if_changed,bflags) + # If you want to play with the firmware, uncomment # GENERATE_FIRMWARE := 1 diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index e7818afeda2b..26edd61a5554 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -984,6 +984,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, scsi_attach_vpd(sdev); sdev->max_queue_depth = sdev->queue_depth; + sdev->sdev_bflags = *bflags; /* * Ok, the device is now all set up, we can diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index cfc5e316f6cb..e7714547b310 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -20,6 +20,7 @@ #include <scsi/scsi_dh.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_driver.h> +#include <scsi/scsi_devinfo.h> #include "scsi_priv.h" #include "scsi_logging.h" @@ -966,6 +967,41 @@ 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) [ilog2(BLIST_##name)] = #name +static const char *const sdev_bflags_name[] = { +#include "scsi_devinfo_tbl.c" +}; +#undef BLIST_FLAG_NAME + +static ssize_t +sdev_show_blacklist(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct scsi_device *sdev = to_scsi_device(dev); + int i; + ssize_t len = 0; + + for (i = 0; i < sizeof(sdev->sdev_bflags) * BITS_PER_BYTE; i++) { + const char *name = NULL; + + if (!(sdev->sdev_bflags & BIT(i))) + continue; + if (i < ARRAY_SIZE(sdev_bflags_name) && sdev_bflags_name[i]) + name = sdev_bflags_name[i]; + + if (name) + len += snprintf(buf + len, PAGE_SIZE - len, + "%s%s", len ? " " : "", name); + else + len += snprintf(buf + len, PAGE_SIZE - len, + "%sINVALID_BIT(%d)", len ? " " : "", i); + } + if (len) + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + return len; +} +static DEVICE_ATTR(blacklist, S_IRUGO, sdev_show_blacklist, NULL); + #ifdef CONFIG_SCSI_DH static ssize_t sdev_show_dh_state(struct device *dev, struct device_attribute *attr, @@ -1151,6 +1187,7 @@ static struct attribute *scsi_sdev_attrs[] = { &dev_attr_queue_depth.attr, &dev_attr_queue_type.attr, &dev_attr_wwid.attr, + &dev_attr_blacklist.attr, #ifdef CONFIG_SCSI_DH &dev_attr_dh_state.attr, &dev_attr_access_state.attr, |