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author | Ingo Molnar <mingo@elte.hu> | 2008-07-28 21:14:43 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-28 21:14:43 +0200 |
commit | 414f746d232d41ed6ae8632c4495ae795373c44b (patch) | |
tree | 167f9bc8f139c6e82e6732b38c7a938b8a9d31cd /include/scsi/scsi_device.h | |
parent | 5a7a201c51c324876d00a54e7208af6af12d1ca4 (diff) | |
parent | c9272c4f9fbe2087beb3392f526dc5b19efaa56b (diff) | |
download | linux-414f746d232d41ed6ae8632c4495ae795373c44b.tar.gz linux-414f746d232d41ed6ae8632c4495ae795373c44b.tar.bz2 linux-414f746d232d41ed6ae8632c4495ae795373c44b.zip |
Merge branch 'linus' into cpus4096
Diffstat (limited to 'include/scsi/scsi_device.h')
-rw-r--r-- | include/scsi/scsi_device.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 6467f78b191f..291d56a19167 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -140,7 +140,8 @@ struct scsi_device { unsigned fix_capacity:1; /* READ_CAPACITY is too high by 1 */ unsigned guess_capacity:1; /* READ_CAPACITY might be too high by 1 */ unsigned retry_hwerror:1; /* Retry HARDWARE_ERROR */ - unsigned last_sector_bug:1; /* Always read last sector in a 1 sector read */ + unsigned last_sector_bug:1; /* do not use multisector accesses on + SD_LAST_BUGGY_SECTORS */ DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */ struct list_head event_list; /* asserted events */ @@ -167,15 +168,22 @@ struct scsi_device { unsigned long sdev_data[0]; } __attribute__((aligned(sizeof(unsigned long)))); +struct scsi_dh_devlist { + char *vendor; + char *model; +}; + struct scsi_device_handler { /* Used by the infrastructure */ struct list_head list; /* list of scsi_device_handlers */ - struct notifier_block nb; /* Filled by the hardware handler */ struct module *module; const char *name; + const struct scsi_dh_devlist *devlist; int (*check_sense)(struct scsi_device *, struct scsi_sense_hdr *); + int (*attach)(struct scsi_device *); + void (*detach)(struct scsi_device *); int (*activate)(struct scsi_device *); int (*prep_fn)(struct scsi_device *, struct request *); }; @@ -416,6 +424,11 @@ static inline int scsi_device_enclosure(struct scsi_device *sdev) return sdev->inquiry[6] & (1<<6); } +static inline int scsi_device_protection(struct scsi_device *sdev) +{ + return sdev->inquiry[5] & (1<<0); +} + #define MODULE_ALIAS_SCSI_DEVICE(type) \ MODULE_ALIAS("scsi:t-" __stringify(type) "*") #define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x" |