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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-25 20:19:08 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-25 20:19:08 -0500
commit9b73e76f3cf63379dcf45fcd4f112f5812418d0a (patch)
tree4e6bef87cd0cd6d848fc39a5ae25b981dbbe035b /drivers/scsi/scsi_scan.c
parent50d9a126240f9961cfdd063336bbeb91f77a7dce (diff)
parent23c3e290fb9ce38cabc2822b47583fc8702411bf (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (200 commits) [SCSI] usbstorage: use last_sector_bug flag universally [SCSI] libsas: abstract STP task status into a function [SCSI] ultrastor: clean up inline asm warnings [SCSI] aic7xxx: fix firmware build [SCSI] aacraid: fib context lock for management ioctls [SCSI] ch: remove forward declarations [SCSI] ch: fix device minor number management bug [SCSI] ch: handle class_device_create failure properly [SCSI] NCR5380: fix section mismatch [SCSI] sg: fix /proc/scsi/sg/devices when no SCSI devices [SCSI] IB/iSER: add logical unit reset support [SCSI] don't use __GFP_DMA for sense buffers if not required [SCSI] use dynamically allocated sense buffer [SCSI] scsi.h: add macro for enclosure bit of inquiry data [SCSI] sd: add fix for devices with last sector access problems [SCSI] fix pcmcia compile problem [SCSI] aacraid: add Voodoo Lite class of cards. [SCSI] aacraid: add new driver features flags [SCSI] qla2xxx: Update version number to 8.02.00-k7. [SCSI] qla2xxx: Issue correct MBC_INITIALIZE_FIRMWARE command. ...
Diffstat (limited to 'drivers/scsi/scsi_scan.c')
-rw-r--r--drivers/scsi/scsi_scan.c36
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 40ea71cd2ca6..1dc165ad17fb 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -221,6 +221,9 @@ static void scsi_unlock_floptical(struct scsi_device *sdev,
221 221
222/** 222/**
223 * scsi_alloc_sdev - allocate and setup a scsi_Device 223 * scsi_alloc_sdev - allocate and setup a scsi_Device
224 * @starget: which target to allocate a &scsi_device for
225 * @lun: which lun
226 * @hostdata: usually NULL and set by ->slave_alloc instead
224 * 227 *
225 * Description: 228 * Description:
226 * Allocate, initialize for io, and return a pointer to a scsi_Device. 229 * Allocate, initialize for io, and return a pointer to a scsi_Device.
@@ -472,7 +475,6 @@ static void scsi_target_reap_usercontext(struct work_struct *work)
472 475
473/** 476/**
474 * scsi_target_reap - check to see if target is in use and destroy if not 477 * scsi_target_reap - check to see if target is in use and destroy if not
475 *
476 * @starget: target to be checked 478 * @starget: target to be checked
477 * 479 *
478 * This is used after removing a LUN or doing a last put of the target 480 * This is used after removing a LUN or doing a last put of the target
@@ -863,7 +865,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
863 sdev->no_start_on_add = 1; 865 sdev->no_start_on_add = 1;
864 866
865 if (*bflags & BLIST_SINGLELUN) 867 if (*bflags & BLIST_SINGLELUN)
866 sdev->single_lun = 1; 868 scsi_target(sdev)->single_lun = 1;
867 869
868 sdev->use_10_for_rw = 1; 870 sdev->use_10_for_rw = 1;
869 871
@@ -928,8 +930,7 @@ static inline void scsi_destroy_sdev(struct scsi_device *sdev)
928 930
929#ifdef CONFIG_SCSI_LOGGING 931#ifdef CONFIG_SCSI_LOGGING
930/** 932/**
931 * scsi_inq_str - print INQUIRY data from min to max index, 933 * scsi_inq_str - print INQUIRY data from min to max index, strip trailing whitespace
932 * strip trailing whitespace
933 * @buf: Output buffer with at least end-first+1 bytes of space 934 * @buf: Output buffer with at least end-first+1 bytes of space
934 * @inq: Inquiry buffer (input) 935 * @inq: Inquiry buffer (input)
935 * @first: Offset of string into inq 936 * @first: Offset of string into inq
@@ -957,9 +958,10 @@ static unsigned char *scsi_inq_str(unsigned char *buf, unsigned char *inq,
957 * scsi_probe_and_add_lun - probe a LUN, if a LUN is found add it 958 * scsi_probe_and_add_lun - probe a LUN, if a LUN is found add it
958 * @starget: pointer to target device structure 959 * @starget: pointer to target device structure
959 * @lun: LUN of target device 960 * @lun: LUN of target device
960 * @sdevscan: probe the LUN corresponding to this scsi_device
961 * @sdevnew: store the value of any new scsi_device allocated
962 * @bflagsp: store bflags here if not NULL 961 * @bflagsp: store bflags here if not NULL
962 * @sdevp: probe the LUN corresponding to this scsi_device
963 * @rescan: if nonzero skip some code only needed on first scan
964 * @hostdata: passed to scsi_alloc_sdev()
963 * 965 *
964 * Description: 966 * Description:
965 * Call scsi_probe_lun, if a LUN with an attached device is found, 967 * Call scsi_probe_lun, if a LUN with an attached device is found,
@@ -1110,6 +1112,8 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
1110 * scsi_sequential_lun_scan - sequentially scan a SCSI target 1112 * scsi_sequential_lun_scan - sequentially scan a SCSI target
1111 * @starget: pointer to target structure to scan 1113 * @starget: pointer to target structure to scan
1112 * @bflags: black/white list flag for LUN 0 1114 * @bflags: black/white list flag for LUN 0
1115 * @scsi_level: Which version of the standard does this device adhere to
1116 * @rescan: passed to scsi_probe_add_lun()
1113 * 1117 *
1114 * Description: 1118 * Description:
1115 * Generally, scan from LUN 1 (LUN 0 is assumed to already have been 1119 * Generally, scan from LUN 1 (LUN 0 is assumed to already have been
@@ -1220,7 +1224,7 @@ EXPORT_SYMBOL(scsilun_to_int);
1220 1224
1221/** 1225/**
1222 * int_to_scsilun: reverts an int into a scsi_lun 1226 * int_to_scsilun: reverts an int into a scsi_lun
1223 * @int: integer to be reverted 1227 * @lun: integer to be reverted
1224 * @scsilun: struct scsi_lun to be set. 1228 * @scsilun: struct scsi_lun to be set.
1225 * 1229 *
1226 * Description: 1230 * Description:
@@ -1252,18 +1256,22 @@ EXPORT_SYMBOL(int_to_scsilun);
1252 1256
1253/** 1257/**
1254 * scsi_report_lun_scan - Scan using SCSI REPORT LUN results 1258 * scsi_report_lun_scan - Scan using SCSI REPORT LUN results
1255 * @sdevscan: scan the host, channel, and id of this scsi_device 1259 * @starget: which target
1260 * @bflags: Zero or a mix of BLIST_NOLUN, BLIST_REPORTLUN2, or BLIST_NOREPORTLUN
1261 * @rescan: nonzero if we can skip code only needed on first scan
1256 * 1262 *
1257 * Description: 1263 * Description:
1258 * If @sdevscan is for a SCSI-3 or up device, send a REPORT LUN 1264 * Fast scanning for modern (SCSI-3) devices by sending a REPORT LUN command.
1259 * command, and scan the resulting list of LUNs by calling 1265 * Scan the resulting list of LUNs by calling scsi_probe_and_add_lun.
1260 * scsi_probe_and_add_lun.
1261 * 1266 *
1262 * Modifies sdevscan->lun. 1267 * If BLINK_REPORTLUN2 is set, scan a target that supports more than 8
1268 * LUNs even if it's older than SCSI-3.
1269 * If BLIST_NOREPORTLUN is set, return 1 always.
1270 * If BLIST_NOLUN is set, return 0 always.
1263 * 1271 *
1264 * Return: 1272 * Return:
1265 * 0: scan completed (or no memory, so further scanning is futile) 1273 * 0: scan completed (or no memory, so further scanning is futile)
1266 * 1: no report lun scan, or not configured 1274 * 1: could not scan with REPORT LUN
1267 **/ 1275 **/
1268static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, 1276static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,
1269 int rescan) 1277 int rescan)
@@ -1481,6 +1489,7 @@ struct scsi_device *__scsi_add_device(struct Scsi_Host *shost, uint channel,
1481 if (scsi_host_scan_allowed(shost)) 1489 if (scsi_host_scan_allowed(shost))
1482 scsi_probe_and_add_lun(starget, lun, NULL, &sdev, 1, hostdata); 1490 scsi_probe_and_add_lun(starget, lun, NULL, &sdev, 1, hostdata);
1483 mutex_unlock(&shost->scan_mutex); 1491 mutex_unlock(&shost->scan_mutex);
1492 transport_configure_device(&starget->dev);
1484 scsi_target_reap(starget); 1493 scsi_target_reap(starget);
1485 put_device(&starget->dev); 1494 put_device(&starget->dev);
1486 1495
@@ -1561,6 +1570,7 @@ static void __scsi_scan_target(struct device *parent, unsigned int channel,
1561 out_reap: 1570 out_reap:
1562 /* now determine if the target has any children at all 1571 /* now determine if the target has any children at all
1563 * and if not, nuke it */ 1572 * and if not, nuke it */
1573 transport_configure_device(&starget->dev);
1564 scsi_target_reap(starget); 1574 scsi_target_reap(starget);
1565 1575
1566 put_device(&starget->dev); 1576 put_device(&starget->dev);