diff options
Diffstat (limited to 'drivers/scsi/scsi_scan.c')
| -rw-r--r-- | drivers/scsi/scsi_scan.c | 67 |
1 files changed, 28 insertions, 39 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 662577fbe7a8..a86e62f4b3ba 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -703,16 +703,14 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result, /** * scsi_add_lun - allocate and fully initialze a scsi_device - * @sdevscan: holds information to be stored in the new scsi_device - * @sdevnew: store the address of the newly allocated scsi_device + * @sdev: holds information to be stored in the new scsi_device * @inq_result: holds the result of a previous INQUIRY to the LUN * @bflags: black/white list flag + * @async: 1 if this device is being scanned asynchronously * * Description: - * Allocate and initialize a scsi_device matching sdevscan. Optionally - * set fields based on values in *@bflags. If @sdevnew is not - * NULL, store the address of the new scsi_device in *@sdevnew (needed - * when scanning a particular LUN). + * Initialize the scsi_device @sdev. Optionally set fields based + * on values in *@bflags. * * Return: * SCSI_SCAN_NO_RESPONSE: could not allocate or setup a scsi_device @@ -752,25 +750,15 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, sdev->rev = (char *) (sdev->inquiry + 32); if (*bflags & BLIST_ISROM) { - /* - * It would be better to modify sdev->type, and set - * sdev->removable; this can now be done since - * print_inquiry has gone away. - */ - inq_result[0] = TYPE_ROM; - inq_result[1] |= 0x80; /* removable */ - } else if (*bflags & BLIST_NO_ULD_ATTACH) - sdev->no_uld_attach = 1; + sdev->type = TYPE_ROM; + sdev->removable = 1; + } else { + sdev->type = (inq_result[0] & 0x1f); + sdev->removable = (inq_result[1] & 0x80) >> 7; + } - switch (sdev->type = (inq_result[0] & 0x1f)) { + switch (sdev->type) { case TYPE_RBC: - /* RBC devices can return SCSI-3 compliance and yet - * still not support REPORT LUNS, so make them act as - * BLIST_NOREPORTLUN unless BLIST_REPORTLUN2 is - * specifically set */ - if ((*bflags & BLIST_REPORTLUN2) == 0) - *bflags |= BLIST_NOREPORTLUN; - /* fall through */ case TYPE_TAPE: case TYPE_DISK: case TYPE_PRINTER: @@ -784,13 +772,6 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, sdev->writeable = 1; break; case TYPE_ROM: - /* MMC devices can return SCSI-3 compliance and yet - * still not support REPORT LUNS, so make them act as - * BLIST_NOREPORTLUN unless BLIST_REPORTLUN2 is - * specifically set */ - if ((*bflags & BLIST_REPORTLUN2) == 0) - *bflags |= BLIST_NOREPORTLUN; - /* fall through */ case TYPE_WORM: sdev->writeable = 0; break; @@ -798,6 +779,15 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, printk(KERN_INFO "scsi: unknown device type %d\n", sdev->type); } + if (sdev->type == TYPE_RBC || sdev->type == TYPE_ROM) { + /* RBC and MMC devices can return SCSI-3 compliance and yet + * still not support REPORT LUNS, so make them act as + * BLIST_NOREPORTLUN unless BLIST_REPORTLUN2 is + * specifically set */ + if ((*bflags & BLIST_REPORTLUN2) == 0) + *bflags |= BLIST_NOREPORTLUN; + } + /* * For a peripheral qualifier (PQ) value of 1 (001b), the SCSI * spec says: The device server is capable of supporting the @@ -815,12 +805,11 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, */ sdev->inq_periph_qual = (inq_result[0] >> 5) & 7; - sdev->removable = (0x80 & inq_result[1]) >> 7; sdev->lockable = sdev->removable; sdev->soft_reset = (inq_result[7] & 1) && ((inq_result[3] & 7) == 2); - if (sdev->scsi_level >= SCSI_3 || (sdev->inquiry_len > 56 && - inq_result[56] & 0x04)) + if (sdev->scsi_level >= SCSI_3 || + (sdev->inquiry_len > 56 && inq_result[56] & 0x04)) sdev->ppr = 1; if (inq_result[7] & 0x60) sdev->wdtr = 1; @@ -833,13 +822,10 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, sdev->inq_periph_qual, inq_result[2] & 0x07, (inq_result[3] & 0x0f) == 1 ? " CCS" : ""); - /* - * End sysfs code. - */ - if ((sdev->scsi_level >= SCSI_2) && (inq_result[7] & 2) && !(*bflags & BLIST_NOTQ)) sdev->tagged_supported = 1; + /* * Some devices (Texel CD ROM drives) have handshaking problems * when used with the Seagate controllers. borken is initialized @@ -848,6 +834,9 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, if ((*bflags & BLIST_BORKEN) == 0) sdev->borken = 0; + if (*bflags & BLIST_NO_ULD_ATTACH) + sdev->no_uld_attach = 1; + /* * Apparently some really broken devices (contrary to the SCSI * standards) need to be selected without asserting ATN @@ -872,7 +861,6 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, if (*bflags & BLIST_SINGLELUN) sdev->single_lun = 1; - sdev->use_10_for_rw = 1; if (*bflags & BLIST_MS_SKIP_PAGE_08) @@ -1213,7 +1201,7 @@ static void scsi_sequential_lun_scan(struct scsi_target *starget, * Given a struct scsi_lun of: 0a 04 0b 03 00 00 00 00, this function returns * the integer: 0x0b030a04 **/ -static int scsilun_to_int(struct scsi_lun *scsilun) +int scsilun_to_int(struct scsi_lun *scsilun) { int i; unsigned int lun; @@ -1224,6 +1212,7 @@ static int scsilun_to_int(struct scsi_lun *scsilun) scsilun->scsi_lun[i + 1]) << (i * 8)); return lun; } +EXPORT_SYMBOL(scsilun_to_int); /** * int_to_scsilun: reverts an int into a scsi_lun |