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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-12-17 19:29:32 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-12-17 19:29:32 -0800 |
| commit | ededa4d396b15c282aa60d6aacddfc07f0142dbf (patch) | |
| tree | dc8af166ac6f7332e5a885675dec222a0494de41 /drivers/ata/sata_mv.c | |
| parent | 64396accc2831fcbdc7d793edc25481a5ebc75b2 (diff) | |
| parent | 140b5e59119a172a91b5fa13d54ca4f79bbefee1 (diff) | |
| download | op-kernel-dev-ededa4d396b15c282aa60d6aacddfc07f0142dbf.zip op-kernel-dev-ededa4d396b15c282aa60d6aacddfc07f0142dbf.tar.gz | |
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
libata: fix ATAPI draining
libata: update atapi_eh_request_sense() such that lbam/lbah contains buffer size
libata-acpi: implement _GTF command filtering
libata-acpi: improve _GTF execution error handling and reporting
libata-acpi: improve ACPI disabling
libata-acpi: implement dev->gtf_cache and evaluate _GTF right after _STM during resume
libata-acpi: implement and use ata_acpi_init_gtm()
libata-acpi: add new hooks ata_acpi_dissociate() and ata_acpi_on_disable()
libata: ata_dev_disable() should be called from EH context
libata: add more opcodes to ata.h
libata: update ata_*_printk() macros such that level can be a variable
libata-acpi: adjust constness in ata_acpi_gtm/stm() parameters
sata_mv: improve warnings about Highpoint RocketRAID 23xx cards
libata: add ST3160023AS / 3.42 to NCQ blacklist
libata: clear link->eh_info.serror from ata_std_postreset()
sata_sil: fix spurious IRQ handling
Diffstat (limited to 'drivers/ata/sata_mv.c')
| -rw-r--r-- | drivers/ata/sata_mv.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index fe0105d..37b850a 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -2506,11 +2506,31 @@ static int mv_chip_id(struct ata_host *host, unsigned int board_idx) if (pdev->vendor == PCI_VENDOR_ID_TTI && (pdev->device == 0x2300 || pdev->device == 0x2310)) { - printk(KERN_WARNING "sata_mv: Highpoint RocketRAID BIOS" - " will CORRUPT DATA on attached drives when" - " configured as \"Legacy\". BEWARE!\n"); - printk(KERN_WARNING "sata_mv: Use BIOS \"JBOD\" volumes" - " instead for safety.\n"); + /* + * Highpoint RocketRAID PCIe 23xx series cards: + * + * Unconfigured drives are treated as "Legacy" + * by the BIOS, and it overwrites sector 8 with + * a "Lgcy" metadata block prior to Linux boot. + * + * Configured drives (RAID or JBOD) leave sector 8 + * alone, but instead overwrite a high numbered + * sector for the RAID metadata. This sector can + * be determined exactly, by truncating the physical + * drive capacity to a nice even GB value. + * + * RAID metadata is at: (dev->n_sectors & ~0xfffff) + * + * Warn the user, lest they think we're just buggy. + */ + printk(KERN_WARNING DRV_NAME ": Highpoint RocketRAID" + " BIOS CORRUPTS DATA on all attached drives," + " regardless of if/how they are configured." + " BEWARE!\n"); + printk(KERN_WARNING DRV_NAME ": For data safety, do not" + " use sectors 8-9 on \"Legacy\" drives," + " and avoid the final two gigabytes on" + " all RocketRAID BIOS initialized drives.\n"); } case chip_6042: hpriv->ops = &mv6xxx_ops; |
