diff options
| -rw-r--r-- | drivers/scsi/ata_piix.c | 6 | ||||
| -rw-r--r-- | drivers/scsi/libata-bmdma.c | 238 | ||||
| -rw-r--r-- | drivers/scsi/libata-core.c | 469 | ||||
| -rw-r--r-- | drivers/scsi/libata-scsi.c | 79 | ||||
| -rw-r--r-- | drivers/scsi/sata_nv.c | 181 | ||||
| -rw-r--r-- | drivers/scsi/sata_sil.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/sata_sil24.c | 25 | ||||
| -rw-r--r-- | drivers/scsi/sata_uli.c | 37 | ||||
| -rw-r--r-- | drivers/scsi/sata_vsc.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/scsi_sysfs.c | 2 | ||||
| -rw-r--r-- | include/linux/libata.h | 12 | ||||
| -rw-r--r-- | include/scsi/scsi_host.h | 2 |
12 files changed, 551 insertions, 506 deletions
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c index a74e23d..2d5be84 100644 --- a/drivers/scsi/ata_piix.c +++ b/drivers/scsi/ata_piix.c @@ -742,7 +742,7 @@ static int piix_disable_ahci(struct pci_dev *pdev) /** * piix_check_450nx_errata - Check for problem 450NX setup * @ata_dev: the PCI device to check - * + * * Check for the present of 450NX errata #19 and errata #25. If * they are found return an error code so we can turn off DMA */ @@ -753,7 +753,7 @@ static int __devinit piix_check_450nx_errata(struct pci_dev *ata_dev) u16 cfg; u8 rev; int no_piix_dma = 0; - + while((pdev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, pdev)) != NULL) { /* Look for 450NX PXB. Check for problem configurations @@ -772,7 +772,7 @@ static int __devinit piix_check_450nx_errata(struct pci_dev *ata_dev) if(no_piix_dma == 2) dev_printk(KERN_WARNING, &ata_dev->dev, "A BIOS update may resolve this.\n"); return no_piix_dma; -} +} static void __devinit piix_init_sata_map(struct pci_dev *pdev, struct ata_port_info *pinfo) diff --git a/drivers/scsi/libata-bmdma.c b/drivers/scsi/libata-bmdma.c index 96b4d21..95d81d8 100644 --- a/drivers/scsi/libata-bmdma.c +++ b/drivers/scsi/libata-bmdma.c @@ -418,6 +418,240 @@ u8 ata_altstatus(struct ata_port *ap) return inb(ap->ioaddr.altstatus_addr); } +/** + * ata_bmdma_setup_mmio - Set up PCI IDE BMDMA transaction + * @qc: Info associated with this ATA transaction. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +static void ata_bmdma_setup_mmio (struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); + u8 dmactl; + void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + + /* load PRD table addr. */ + mb(); /* make sure PRD table writes are visible to controller */ + writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS); + + /* specify data direction, triple-check start bit is clear */ + dmactl = readb(mmio + ATA_DMA_CMD); + dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); + if (!rw) + dmactl |= ATA_DMA_WR; + writeb(dmactl, mmio + ATA_DMA_CMD); + + /* issue r/w command */ + ap->ops->exec_command(ap, &qc->tf); +} + +/** + * ata_bmdma_start_mmio - Start a PCI IDE BMDMA transaction + * @qc: Info associated with this ATA transaction. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +static void ata_bmdma_start_mmio (struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + u8 dmactl; + + /* start host DMA transaction */ + dmactl = readb(mmio + ATA_DMA_CMD); + writeb(dmactl | ATA_DMA_START, mmio + ATA_DMA_CMD); + + /* Strictly, one may wish to issue a readb() here, to + * flush the mmio write. However, control also passes + * to the hardware at this point, and it will interrupt + * us when we are to resume control. So, in effect, + * we don't care when the mmio write flushes. + * Further, a read of the DMA status register _immediately_ + * following the write may not be what certain flaky hardware + * is expected, so I think it is best to not add a readb() + * without first all the MMIO ATA cards/mobos. + * Or maybe I'm just being paranoid. + */ +} + +/** + * ata_bmdma_setup_pio - Set up PCI IDE BMDMA transaction (PIO) + * @qc: Info associated with this ATA transaction. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +static void ata_bmdma_setup_pio (struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); + u8 dmactl; + + /* load PRD table addr. */ + outl(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); + + /* specify data direction, triple-check start bit is clear */ + dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); + if (!rw) + dmactl |= ATA_DMA_WR; + outb(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + + /* issue r/w command */ + ap->ops->exec_command(ap, &qc->tf); +} + +/** + * ata_bmdma_start_pio - Start a PCI IDE BMDMA transaction (PIO) + * @qc: Info associated with this ATA transaction. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +static void ata_bmdma_start_pio (struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + u8 dmactl; + + /* start host DMA transaction */ + dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + outb(dmactl | ATA_DMA_START, + ap->ioaddr.bmdma_addr + ATA_DMA_CMD); +} + + +/** + * ata_bmdma_start - Start a PCI IDE BMDMA transaction + * @qc: Info associated with this ATA transaction. + * + * Writes the ATA_DMA_START flag to the DMA command register. + * + * May be used as the bmdma_start() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ +void ata_bmdma_start(struct ata_queued_cmd *qc) +{ + if (qc->ap->flags & ATA_FLAG_MMIO) + ata_bmdma_start_mmio(qc); + else + ata_bmdma_start_pio(qc); +} + + +/** + * ata_bmdma_setup - Set up PCI IDE BMDMA transaction + * @qc: Info associated with this ATA transaction. + * + * Writes address of PRD table to device's PRD Table Address + * register, sets the DMA control register, and calls + * ops->exec_command() to start the transfer. + * + * May be used as the bmdma_setup() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ +void ata_bmdma_setup(struct ata_queued_cmd *qc) +{ + if (qc->ap->flags & ATA_FLAG_MMIO) + ata_bmdma_setup_mmio(qc); + else + ata_bmdma_setup_pio(qc); +} + + +/** + * ata_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt. + * @ap: Port associated with this ATA transaction. + * + * Clear interrupt and error flags in DMA status register. + * + * May be used as the irq_clear() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +void ata_bmdma_irq_clear(struct ata_port *ap) +{ + if (!ap->ioaddr.bmdma_addr) + return; + + if (ap->flags & ATA_FLAG_MMIO) { + void __iomem *mmio = + ((void __iomem *) ap->ioaddr.bmdma_addr) + ATA_DMA_STATUS; + writeb(readb(mmio), mmio); + } else { + unsigned long addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS; + outb(inb(addr), addr); + } +} + + +/** + * ata_bmdma_status - Read PCI IDE BMDMA status + * @ap: Port associated with this ATA transaction. + * + * Read and return BMDMA status register. + * + * May be used as the bmdma_status() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +u8 ata_bmdma_status(struct ata_port *ap) +{ + u8 host_stat; + if (ap->flags & ATA_FLAG_MMIO) { + void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + host_stat = readb(mmio + ATA_DMA_STATUS); + } else + host_stat = inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); + return host_stat; +} + + +/** + * ata_bmdma_stop - Stop PCI IDE BMDMA transfer + * @qc: Command we are ending DMA for + * + * Clears the ATA_DMA_START flag in the dma control register + * + * May be used as the bmdma_stop() entry in ata_port_operations. + * + * LOCKING: + * spin_lock_irqsave(host_set lock) + */ + +void ata_bmdma_stop(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + if (ap->flags & ATA_FLAG_MMIO) { + void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + + /* clear start/stop bit */ + writeb(readb(mmio + ATA_DMA_CMD) & ~ATA_DMA_START, + mmio + ATA_DMA_CMD); + } else { + /* clear start/stop bit */ + outb(inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD) & ~ATA_DMA_START, + ap->ioaddr.bmdma_addr + ATA_DMA_CMD); + } + + /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ + ata_altstatus(ap); /* dummy read */ +} + #ifdef CONFIG_PCI static struct ata_probe_ent * ata_probe_ent_alloc(struct device *dev, const struct ata_port_info *port) @@ -707,7 +941,7 @@ err_out: * @pdev: PCI device * * Some PCI ATA devices report simplex mode but in fact can be told to - * enter non simplex mode. This implements the neccessary logic to + * enter non simplex mode. This implements the neccessary logic to * perform the task on such devices. Calling it on other devices will * have -undefined- behaviour. */ @@ -732,7 +966,7 @@ unsigned long ata_pci_default_filter(const struct ata_port *ap, struct ata_devic { /* Filter out DMA modes if the device has been configured by the BIOS as PIO only */ - + if (ap->ioaddr.bmdma_addr == 0) xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA); return xfer_mask; diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 0314abd..d279666 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -64,9 +64,9 @@ static unsigned int ata_dev_init_params(struct ata_port *ap, struct ata_device *dev); static void ata_set_mode(struct ata_port *ap); -static void ata_dev_set_xfermode(struct ata_port *ap, struct ata_device *dev); -static unsigned int ata_dev_xfermask(struct ata_port *ap, - struct ata_device *dev); +static unsigned int ata_dev_set_xfermode(struct ata_port *ap, + struct ata_device *dev); +static void ata_dev_xfermask(struct ata_port *ap, struct ata_device *dev); static unsigned int ata_unique_id = 1; static struct workqueue_struct *ata_wq; @@ -190,7 +190,7 @@ static const u8 ata_rw_cmds[] = { * ata_rwcmd_protocol - set taskfile r/w commands and protocol * @qc: command to examine and configure * - * Examine the device configuration and tf->flags to calculate + * Examine the device configuration and tf->flags to calculate * the proper read/write commands and protocol to use. * * LOCKING: @@ -203,7 +203,7 @@ int ata_rwcmd_protocol(struct ata_queued_cmd *qc) u8 cmd; int index, fua, lba48, write; - + fua = (tf->flags & ATA_TFLAG_FUA) ? 4 : 0; lba48 = (tf->flags & ATA_TFLAG_LBA48) ? 2 : 0; write = (tf->flags & ATA_TFLAG_WRITE) ? 1 : 0; @@ -252,6 +252,29 @@ static unsigned int ata_pack_xfermask(unsigned int pio_mask, ((udma_mask << ATA_SHIFT_UDMA) & ATA_MASK_UDMA); } +/** + * ata_unpack_xfermask - Unpack xfer_mask into pio, mwdma and udma masks + * @xfer_mask: xfer_mask to unpack + * @pio_mask: resulting pio_mask + * @mwdma_mask: resulting mwdma_mask + * @udma_mask: resulting udma_mask + * + * Unpack @xfer_mask into @pio_mask, @mwdma_mask and @udma_mask. + * Any NULL distination masks will be ignored. + */ +static void ata_unpack_xfermask(unsigned int xfer_mask, + unsigned int *pio_mask, + unsigned int *mwdma_mask, + unsigned int *udma_mask) +{ + if (pio_mask) + *pio_mask = (xfer_mask & ATA_MASK_PIO) >> ATA_SHIFT_PIO; + if (mwdma_mask) + *mwdma_mask = (xfer_mask & ATA_MASK_MWDMA) >> ATA_SHIFT_MWDMA; + if (udma_mask) + *udma_mask = (xfer_mask & ATA_MASK_UDMA) >> ATA_SHIFT_UDMA; +} + static const struct ata_xfer_ent { unsigned int shift, bits; u8 base; @@ -372,6 +395,15 @@ static const char *ata_mode_string(unsigned int xfer_mask) return "<n/a>"; } +static void ata_dev_disable(struct ata_port *ap, struct ata_device *dev) +{ + if (ata_dev_present(dev)) { + printk(KERN_WARNING "ata%u: dev %u disabled\n", + ap->id, dev->devno); + dev->class++; + } +} + /** * ata_pio_devchk - PATA device presence detection * @ap: ATA channel to examine @@ -987,6 +1019,22 @@ ata_exec_internal(struct ata_port *ap, struct ata_device *dev, ata_qc_free(qc); + /* XXX - Some LLDDs (sata_mv) disable port on command failure. + * Until those drivers are fixed, we detect the condition + * here, fail the command with AC_ERR_SYSTEM and reenable the + * port. + * + * Note that this doesn't change any behavior as internal + * command failure results in disabling the device in the + * higher layer for LLDDs without new reset/EH callbacks. + * + * Kill the following code as soon as those drivers are fixed. + */ + if (ap->flags & ATA_FLAG_PORT_DISABLED) { + err_mask |= AC_ERR_SYSTEM; + ata_port_probe(ap); + } + return err_mask; } @@ -1007,7 +1055,7 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev) return 0; if (speed > 2) return 1; - + /* If we have no drive specific rule, then PIO 2 is non IORDY */ if (adev->id[ATA_ID_FIELD_VALID] & 2) { /* EIDE */ @@ -1305,7 +1353,7 @@ static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev, if (print_info) printk(KERN_INFO "ata%u(%u): applying bridge limits\n", ap->id, dev->devno); - ap->udma_mask &= ATA_UDMA5; + dev->udma_mask &= ATA_UDMA5; dev->max_sectors = ATA_MAX_SECTORS; } @@ -1316,8 +1364,6 @@ static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev, return 0; err_out_nosup: - printk(KERN_WARNING "ata%u: dev %u not supported, ignoring\n", - ap->id, dev->devno); DPRINTK("EXIT, err\n"); return rc; } @@ -1384,7 +1430,7 @@ static int ata_bus_probe(struct ata_port *ap) } if (ata_dev_configure(ap, dev, 1)) { - dev->class++; /* disable device */ + ata_dev_disable(ap, dev); continue; } @@ -1530,6 +1576,23 @@ void sata_phy_reset(struct ata_port *ap) } /** + * ata_dev_pair - return other device on cable + * @ap: port + * @adev: device + * + * Obtain the other device on the same cable, or if none is + * present NULL is returned + */ + +struct ata_device *ata_dev_pair(struct ata_port *ap, struct ata_device *adev) +{ + struct ata_device *pair = &ap->device[1 - adev->devno]; + if (!ata_dev_present(pair)) + return NULL; + return pair; +} + +/** * ata_port_disable - Disable port. * @ap: Port to be disabled. * @@ -1557,7 +1620,7 @@ void ata_port_disable(struct ata_port *ap) * PIO 0-5, MWDMA 0-2 and UDMA 0-6 timings (in nanoseconds). * These were taken from ATA/ATAPI-6 standard, rev 0a, except * for PIO 5, which is a nonstandard extension and UDMA6, which - * is currently supported only by Maxtor drives. + * is currently supported only by Maxtor drives. */ static const struct ata_timing ata_timing[] = { @@ -1572,11 +1635,11 @@ static const struct ata_timing ata_timing[] = { { XFER_UDMA_0, 0, 0, 0, 0, 0, 0, 0, 120 }, /* { XFER_UDMA_SLOW, 0, 0, 0, 0, 0, 0, 0, 150 }, */ - + { XFER_MW_DMA_2, 25, 0, 0, 0, 70, 25, 120, 0 }, { XFER_MW_DMA_1, 45, 0, 0, 0, 80, 50, 150, 0 }, { XFER_MW_DMA_0, 60, 0, 0, 0, 215, 215, 480, 0 }, - + { XFER_SW_DMA_2, 60, 0, 0, 0, 120, 120, 240, 0 }, { XFER_SW_DMA_1, 90, 0, 0, 0, 240, 240, 480, 0 }, { XFER_SW_DMA_0, 120, 0, 0, 0, 480, 480, 960, 0 }, @@ -1629,7 +1692,7 @@ static const struct ata_timing* ata_timing_find_mode(unsigned short speed) for (t = ata_timing; t->mode != speed; t++) if (t->mode == 0xFF) return NULL; - return t; + return t; } int ata_timing_compute(struct ata_device *adev, unsigned short speed, @@ -1639,7 +1702,7 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed, struct ata_timing p; /* - * Find the mode. + * Find the mode. */ if (!(s = ata_timing_find_mode(speed))) @@ -1697,20 +1760,28 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed, return 0; } -static void ata_dev_set_mode(struct ata_port *ap, struct ata_device *dev) +static int ata_dev_set_mode(struct ata_port *ap, struct ata_device *dev) { - if (!ata_dev_present(dev) || (ap->flags & ATA_FLAG_PORT_DISABLED)) - return; + unsigned int err_mask; + int rc; if (dev->xfer_shift == ATA_SHIFT_PIO) dev->flags |= ATA_DFLAG_PIO; - ata_dev_set_xfermode(ap, dev); + err_mask = ata_dev_set_xfermode(ap, dev); + if (err_mask) { + printk(KERN_ERR + "ata%u: failed to set xfermode (err_mask=0x%x)\n", + ap->id, err_mask); + return -EIO; + } - if (ata_dev_revalidate(ap, dev, 0)) { - printk(KERN_ERR "ata%u: failed to revalidate after set " - "xfermode, disabled\n", ap->id); - ata_port_disable(ap); + rc = ata_dev_revalidate(ap, dev, 0); + if (rc) { + printk(KERN_ERR + "ata%u: failed to revalidate after set xfermode\n", + ap->id); + return rc; } DPRINTK("xfer_shift=%u, xfer_mode=0x%x\n", @@ -1719,6 +1790,7 @@ static void ata_dev_set_mode(struct ata_port *ap, struct ata_device *dev) printk(KERN_INFO "ata%u: dev %u configured for %s\n", ap->id, dev->devno, ata_mode_string(ata_xfer_mode2mask(dev->xfer_mode))); + return 0; } static int ata_host_set_pio(struct ata_port *ap) @@ -1778,16 +1850,19 @@ static void ata_set_mode(struct ata_port *ap) /* step 1: calculate xfer_mask */ for (i = 0; i < ATA_MAX_DEVICES; i++) { struct ata_device *dev = &ap->device[i]; - unsigned int xfer_mask; + unsigned int pio_mask, dma_mask; if (!ata_dev_present(dev)) continue; - xfer_mask = ata_dev_xfermask(ap, dev); + ata_dev_xfermask(ap, dev); + + /* TODO: let LLDD filter dev->*_mask here */ - dev->pio_mode = ata_xfer_mask2mode(xfer_mask & ATA_MASK_PIO); - dev->dma_mode = ata_xfer_mask2mode(xfer_mask & (ATA_MASK_MWDMA | - ATA_MASK_UDMA)); + pio_mask = ata_pack_xfermask(dev->pio_mask, 0, 0); + dma_mask = ata_pack_xfermask(0, dev->mwdma_mask, dev->udma_mask); + dev->pio_mode = ata_xfer_mask2mode(pio_mask); + dev->dma_mode = ata_xfer_mask2mode(dma_mask); } /* step 2: always set host PIO timings */ @@ -1799,11 +1874,15 @@ static void ata_set_mode(struct ata_port *ap) ata_host_set_dma(ap); /* step 4: update devices' xfer mode */ - for (i = 0; i < ATA_MAX_DEVICES; i++) - ata_dev_set_mode(ap, &ap->device[i]); + for (i = 0; i < ATA_MAX_DEVICES; i++) { + struct ata_device *dev = &ap->device[i]; - if (ap->flags & ATA_FLAG_PORT_DISABLED) - return; + if (!ata_dev_present(dev)) + continue; + + if (ata_dev_set_mode(ap, dev)) + goto err_out; + } if (ap->ops->post_set_mode) ap->ops->post_set_mode(ap); @@ -1999,11 +2078,11 @@ static unsigned int ata_bus_softreset(struct ata_port *ap, */ msleep(150); - - /* Before we perform post reset processing we want to see if + + /* Before we perform post reset processing we want to see if the bus shows 0xFF because the odd clown forgets the D7 pulldown resistor */ - + if (ata_check_status(ap) == 0xFF) return 1; /* Positive is failure for some reason */ @@ -2572,22 +2651,22 @@ static const char * const ata_dma_blacklist [] = { "SanDisk SDP3B-64", NULL, "SANYO CD-ROM CRD", NULL, "HITACHI CDR-8", NULL, - "HITACHI CDR-8335", NULL, + "HITACHI CDR-8335", NULL, "HITACHI CDR-8435", NULL, - "Toshiba CD-ROM XM-6202B", NULL, - "TOSHIBA CD-ROM XM-1702BC", NULL, - "CD-532E-A", NULL, - "E-IDE CD-ROM CR-840", NULL, - "CD-ROM Drive/F5A", NULL, - "WPI CDD-820", NULL, + "Toshiba CD-ROM XM-6202B", NULL, + "TOSHIBA CD-ROM XM-1702BC", NULL, + "CD-532E-A", NULL, + "E-IDE CD-ROM CR-840", NULL, + "CD-ROM Drive/F5A", NULL, + "WPI CDD-820", NULL, "SAMSUNG CD-ROM SC-148C", NULL, - "SAMSUNG CD-ROM SC", NULL, + "SAMSUNG CD-ROM SC", NULL, "SanDisk SDP3B-64", NULL, "ATAPI CD-ROM DRIVE 40X MAXIMUM",NULL, "_NEC DV5800A", NULL, "SAMSUNG CD-ROM SN-124", "N001" }; - + static int ata_strim(char *s, size_t len) { len = strnlen(s, len); @@ -2630,18 +2709,15 @@ static int ata_dma_blacklisted(const struct ata_device *dev) * @ap: Port on which the device to compute xfermask for resides * @dev: Device to compute xfermask for * - * Compute supported xfermask of @dev. This function is - * responsible for applying all known limits including host - * controller limits, device blacklist, etc... + * Compute supported xfermask of @dev and store it in + * dev->*_mask. This function is responsible for applying all + * known limits including host controller limits, device + * blacklist, etc... * * LOCKING: * None. - * - * RETURNS: - * Computed xfermask. */ -static unsigned int ata_dev_xfermask(struct ata_port *ap, - struct ata_device *dev) +static void ata_dev_xfermask(struct ata_port *ap, struct ata_device *dev) { unsigned long xfer_mask; int i; @@ -2654,6 +2730,8 @@ static unsigned int ata_dev_xfermask(struct ata_port *ap, struct ata_device *d = &ap->device[i]; if (!ata_dev_present(d)) continue; + xfer_mask &= ata_pack_xfermask(d->pio_mask, d->mwdma_mask, + d->udma_mask); xfer_mask &= ata_id_xfermask(d->id); if (ata_dma_blacklisted(d)) xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA); @@ -2663,7 +2741,8 @@ static unsigned int ata_dev_xfermask(struct ata_port *ap, printk(KERN_WARNING "ata%u: dev %u is on DMA blacklist, " "disabling DMA\n", ap->id, dev->devno); - return xfer_mask; + ata_unpack_xfermask(xfer_mask, &dev->pio_mask, &dev->mwdma_mask, + &dev->udma_mask); } /** @@ -2676,11 +2755,16 @@ static unsigned int ata_dev_xfermask(struct ata_port *ap, * * LOCKING: * PCI/etc. bus probe sem. + * + * RETURNS: + * 0 on success, AC_ERR_* mask otherwise. */ -static void ata_dev_set_xfermode(struct ata_port *ap, struct ata_device *dev) +static unsigned int ata_dev_set_xfermode(struct ata_port *ap, + struct ata_device *dev) { struct ata_taskfile tf; + unsigned int err_mask; /* set up set-features taskfile */ DPRINTK("set features - xfer mode\n"); @@ -2692,13 +2776,10 @@ static void ata_dev_set_xfermode(struct ata_port *ap, struct ata_device *dev) tf.protocol = ATA_PROT_NODATA; tf.nsect = dev->xfer_mode; - if (ata_exec_internal(ap, dev, &tf, DMA_NONE, NULL, 0)) { - printk(KERN_ERR "ata%u: failed to set xfermode, disabled\n", - ap->id); - ata_port_disable(ap); - } + err_mask = ata_exec_internal(ap, dev, &tf, DMA_NONE, NULL, 0); - DPRINTK("EXIT\n"); + DPRINTK("EXIT, err_mask=%x\n", err_mask); + return err_mask; } /** @@ -2775,7 +2856,7 @@ static void ata_sg_clean(struct ata_queued_cmd *qc) if (qc->flags & ATA_QCFLAG_SG) { if (qc->n_elem) - dma_unmap_sg(ap->host_set->dev, sg, qc->n_elem, dir); + dma_unmap_sg(ap->dev, sg, qc->n_elem, dir); /* restore last sg */ sg[qc->orig_n_elem - 1].length += qc->pad_len; if (pad_buf) { @@ -2786,7 +2867,7 @@ static void ata_sg_clean(struct ata_queued_cmd *qc) } } else { if (qc->n_elem) - dma_unmap_single(ap->host_set->dev, + dma_unmap_single(ap->dev, sg_dma_address(&sg[0]), sg_dma_len(&sg[0]), dir); /* restore sg */ @@ -2997,7 +3078,7 @@ static int ata_sg_setup_one(struct ata_queued_cmd *qc) goto skip_map; } - dma_address = dma_map_single(ap->host_set->dev, qc->buf_virt, + dma_address = dma_map_single(ap->dev, qc->buf_virt, sg->length, dir); if (dma_mapping_error(dma_address)) { /* restore sg */ @@ -3085,7 +3166,7 @@ static int ata_sg_setup(struct ata_queued_cmd *qc) } dir = qc->dma_dir; - n_elem = dma_map_sg(ap->host_set->dev, sg, pre_n_elem, dir); + n_elem = dma_map_sg(ap->dev, sg, pre_n_elem, dir); if (n_elem < 1) { /* restore last sg */ lsg->length += qc->pad_len; @@ -3616,7 +3697,7 @@ static void ata_pio_error(struct ata_port *ap) if (qc->tf.command != ATA_CMD_PACKET) printk(KERN_WARNING "ata%u: PIO error\n", ap->id); - /* make sure qc->err_mask is available to + /* make sure qc->err_mask is available to * know what's wrong and recover */ WARN_ON(qc->err_mask == 0); @@ -4065,240 +4146,6 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc) } /** - * ata_bmdma_setup_mmio - Set up PCI IDE BMDMA transaction - * @qc: Info associated with this ATA transaction. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -static void ata_bmdma_setup_mmio (struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); - u8 dmactl; - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; - - /* load PRD table addr. */ - mb(); /* make sure PRD table writes are visible to controller */ - writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS); - - /* specify data direction, triple-check start bit is clear */ - dmactl = readb(mmio + ATA_DMA_CMD); - dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); - if (!rw) - dmactl |= ATA_DMA_WR; - writeb(dmactl, mmio + ATA_DMA_CMD); - - /* issue r/w command */ - ap->ops->exec_command(ap, &qc->tf); -} - -/** - * ata_bmdma_start_mmio - Start a PCI IDE BMDMA transaction - * @qc: Info associated with this ATA transaction. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -static void ata_bmdma_start_mmio (struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; - u8 dmactl; - - /* start host DMA transaction */ - dmactl = readb(mmio + ATA_DMA_CMD); - writeb(dmactl | ATA_DMA_START, mmio + ATA_DMA_CMD); - - /* Strictly, one may wish to issue a readb() here, to - * flush the mmio write. However, control also passes - * to the hardware at this point, and it will interrupt - * us when we are to resume control. So, in effect, - * we don't care when the mmio write flushes. - * Further, a read of the DMA status register _immediately_ - * following the write may not be what certain flaky hardware - * is expected, so I think it is best to not add a readb() - * without first all the MMIO ATA cards/mobos. - * Or maybe I'm just being paranoid. - */ -} - -/** - * ata_bmdma_setup_pio - Set up PCI IDE BMDMA transaction (PIO) - * @qc: Info associated with this ATA transaction. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -static void ata_bmdma_setup_pio (struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); - u8 dmactl; - - /* load PRD table addr. */ - outl(ap->prd_dma, ap->ioaddr.bmdma_addr + ATA_DMA_TABLE_OFS); - - /* specify data direction, triple-check start bit is clear */ - dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - dmactl &= ~(ATA_DMA_WR | ATA_DMA_START); - if (!rw) - dmactl |= ATA_DMA_WR; - outb(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - - /* issue r/w command */ - ap->ops->exec_command(ap, &qc->tf); -} - -/** - * ata_bmdma_start_pio - Start a PCI IDE BMDMA transaction (PIO) - * @qc: Info associated with this ATA transaction. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -static void ata_bmdma_start_pio (struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - u8 dmactl; - - /* start host DMA transaction */ - dmactl = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - outb(dmactl | ATA_DMA_START, - ap->ioaddr.bmdma_addr + ATA_DMA_CMD); -} - - -/** - * ata_bmdma_start - Start a PCI IDE BMDMA transaction - * @qc: Info associated with this ATA transaction. - * - * Writes the ATA_DMA_START flag to the DMA command register. - * - * May be used as the bmdma_start() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ -void ata_bmdma_start(struct ata_queued_cmd *qc) -{ - if (qc->ap->flags & ATA_FLAG_MMIO) - ata_bmdma_start_mmio(qc); - else - ata_bmdma_start_pio(qc); -} - - -/** - * ata_bmdma_setup - Set up PCI IDE BMDMA transaction - * @qc: Info associated with this ATA transaction. - * - * Writes address of PRD table to device's PRD Table Address - * register, sets the DMA control register, and calls - * ops->exec_command() to start the transfer. - * - * May be used as the bmdma_setup() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ -void ata_bmdma_setup(struct ata_queued_cmd *qc) -{ - if (qc->ap->flags & ATA_FLAG_MMIO) - ata_bmdma_setup_mmio(qc); - else - ata_bmdma_setup_pio(qc); -} - - -/** - * ata_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt. - * @ap: Port associated with this ATA transaction. - * - * Clear interrupt and error flags in DMA status register. - * - * May be used as the irq_clear() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -void ata_bmdma_irq_clear(struct ata_port *ap) -{ - if (!ap->ioaddr.bmdma_addr) - return; - - if (ap->flags & ATA_FLAG_MMIO) { - void __iomem *mmio = - ((void __iomem *) ap->ioaddr.bmdma_addr) + ATA_DMA_STATUS; - writeb(readb(mmio), mmio); - } else { - unsigned long addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS; - outb(inb(addr), addr); - } -} - - -/** - * ata_bmdma_status - Read PCI IDE BMDMA status - * @ap: Port associated with this ATA transaction. - * - * Read and return BMDMA status register. - * - * May be used as the bmdma_status() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -u8 ata_bmdma_status(struct ata_port *ap) -{ - u8 host_stat; - if (ap->flags & ATA_FLAG_MMIO) { - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; - host_stat = readb(mmio + ATA_DMA_STATUS); - } else - host_stat = inb(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); - return host_stat; -} - - -/** - * ata_bmdma_stop - Stop PCI IDE BMDMA transfer - * @qc: Command we are ending DMA for - * - * Clears the ATA_DMA_START flag in the dma control register - * - * May be used as the bmdma_stop() entry in ata_port_operations. - * - * LOCKING: - * spin_lock_irqsave(host_set lock) - */ - -void ata_bmdma_stop(struct ata_queued_cmd *qc) -{ - struct ata_port *ap = qc->ap; - if (ap->flags & ATA_FLAG_MMIO) { - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; - - /* clear start/stop bit */ - writeb(readb(mmio + ATA_DMA_CMD) & ~ATA_DMA_START, - mmio + ATA_DMA_CMD); - } else { - /* clear start/stop bit */ - outb(inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD) & ~ATA_DMA_START, - ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - } - - /* one-PIO-cycle guaranteed wait, per spec, for HDMA1:0 transition */ - ata_altstatus(ap); /* dummy read */ -} - -/** * ata_host_intr - Handle host interrupt for given (port, task) * @ap: Port on which interrupt arrived (possibly...) * @qc: Taskfile currently active in engine @@ -4506,14 +4353,15 @@ int ata_device_resume(struct ata_port *ap, struct ata_device *dev) * Flush the cache on the drive, if appropriate, then issue a * standbynow command. */ -int ata_device_suspend(struct ata_port *ap, struct ata_device *dev) +int ata_device_suspend(struct ata_port *ap, struct ata_device *dev, pm_message_t state) { if (!ata_dev_present(dev)) return 0; if (dev->class == ATA_DEV_ATA) ata_flush_cache(ap, dev); - ata_standby_drive(ap, dev); + if (state.event != PM_EVENT_FREEZE) + ata_standby_drive(ap, dev); ap->flags |= ATA_FLAG_SUSPENDED; return 0; } @@ -4533,7 +4381,7 @@ int ata_device_suspend(struct ata_port *ap, struct ata_device *dev) int ata_port_start (struct ata_port *ap) { - struct device *dev = ap->host_set->dev; + struct device *dev = ap->dev; int rc; ap->prd = dma_alloc_coherent(dev, ATA_PRD_TBL_SZ, &ap->prd_dma, GFP_KERNEL); @@ -4566,7 +4414,7 @@ int ata_port_start (struct ata_port *ap) void ata_port_stop (struct ata_port *ap) { - struct device *dev = ap->host_set->dev; + struct device *dev = ap->dev; dma_free_coherent(dev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma); ata_pad_free(ap, dev); @@ -4632,6 +4480,7 @@ static void ata_host_init(struct ata_port *ap, struct Scsi_Host *host, ap->host = host; ap->ctl = ATA_DEVCTL_OBS; ap->host_set = host_set; + ap->dev = ent->dev; ap->port_no = port_no; ap->hard_port_no = ent->legacy_mode ? ent->hard_port_no : port_no; @@ -4647,8 +4496,13 @@ static void ata_host_init(struct ata_port *ap, struct Scsi_Host *host, INIT_WORK(&ap->port_task, NULL, NULL); INIT_LIST_HEAD(&ap->eh_done_q); - for (i = 0; i < ATA_MAX_DEVICES; i++) - ap->device[i].devno = i; + for (i = 0; i < ATA_MAX_DEVICES; i++) { + struct ata_device *dev = &ap->device[i]; + dev->devno = i; + dev->pio_mask = UINT_MAX; + dev->mwdma_mask = UINT_MAX; + dev->udma_mask = UINT_MAX; + } #ifdef ATA_IRQ_TRAP ap->stats.unhandled_irq = 1; @@ -4842,7 +4696,7 @@ err_free_ret: * ata_host_set_remove - PCI layer callback for device removal * @host_set: ATA host set that was removed * - * Unregister all objects associated with this host set. Free those + * Unregister all objects associated with this host set. Free those * objects. * * LOCKING: @@ -5114,6 +4968,8 @@ EXPORT_SYMBOL_GPL(ata_std_postreset); EXPORT_SYMBOL_GPL(ata_std_probe_reset); EXPORT_SYMBOL_GPL(ata_drive_probe_reset); EXPORT_SYMBOL_GPL(ata_dev_revalidate); +EXPORT_SYMBOL_GPL(ata_dev_classify); +EXPORT_SYMBOL_GPL(ata_dev_pair); EXPORT_SYMBOL_GPL(ata_port_disable); EXPORT_SYMBOL_GPL(ata_ratelimit); EXPORT_SYMBOL_GPL(ata_busy_sleep); @@ -5124,7 +4980,6 @@ EXPORT_SYMBOL_GPL(ata_scsi_error); EXPORT_SYMBOL_GPL(ata_scsi_slave_config); EXPORT_SYMBOL_GPL(ata_scsi_release); EXPORT_SYMBOL_GPL(ata_host_intr); -EXPORT_SYMBOL_GPL(ata_dev_classify); EXPORT_SYMBOL_GPL(ata_id_string); EXPORT_SYMBOL_GPL(ata_id_c_string); EXPORT_SYMBOL_GPL(ata_scsi_simulate); diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index a1259b2..628191b 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -256,7 +256,7 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg) scsi_cmd[14] = args[0]; /* Good values for timeout and retries? Values below - from scsi_ioctl_send_command() for default case... */ + from scsi_ioctl_send_command() for default case... */ if (scsi_execute_req(scsidev, scsi_cmd, DMA_NONE, NULL, 0, &sshdr, (10*HZ), 5)) rc = -EIO; @@ -267,20 +267,8 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg) int ata_scsi_ioctl(struct scsi_device *scsidev, int cmd, void __user *arg) { - struct ata_port *ap; - struct ata_device *dev; int val = -EINVAL, rc = -EINVAL; - ap = (struct ata_port *) &scsidev->host->hostdata[0]; - if (!ap) - goto out; - - dev = ata_scsi_find_dev(ap, scsidev); - if (!dev) { - rc = -ENODEV; - goto out; - } - switch (cmd) { case ATA_IOC_GET_IO32: val = 0; @@ -309,7 +297,6 @@ int ata_scsi_ioctl(struct scsi_device *scsidev, int cmd, void __user *arg) break; } -out: return rc; } @@ -414,12 +401,12 @@ int ata_scsi_device_resume(struct scsi_device *sdev) return ata_device_resume(ap, dev); } -int ata_scsi_device_suspend(struct scsi_device *sdev) +int ata_scsi_device_suspend(struct scsi_device *sdev, pm_message_t state) { struct ata_port *ap = (struct ata_port *) &sdev->host->hostdata[0]; struct ata_device *dev = &ap->device[sdev->id]; - return ata_device_suspend(ap, dev); + return ata_device_suspend(ap, dev, state); } /** @@ -438,7 +425,7 @@ int ata_scsi_device_suspend(struct scsi_device *sdev) * LOCKING: * spin_lock_irqsave(host_set lock) */ -void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc, +void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc, u8 *ascq) { int i; @@ -495,7 +482,7 @@ void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc, /* Look for drv_err */ for (i = 0; sense_table[i][0] != 0xFF; i++) { /* Look for best matches first */ - if ((sense_table[i][0] & drv_err) == + if ((sense_table[i][0] & drv_err) == sense_table[i][0]) { *sk = sense_table[i][1]; *asc = sense_table[i][2]; @@ -518,7 +505,7 @@ void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc, } } /* No error? Undecoded? */ - printk(KERN_WARNING "ata%u: no sense translation for status: 0x%02x\n", + printk(KERN_WARNING "ata%u: no sense translation for status: 0x%02x\n", id, drv_stat); /* We need a sensible error return here, which is tricky, and one @@ -1150,14 +1137,14 @@ static unsigned int ata_scsi_verify_xlat(struct ata_queued_cmd *qc, const u8 *sc DPRINTK("block %u track %u cyl %u head %u sect %u\n", (u32)block, track, cyl, head, sect); - - /* Check whether the converted CHS can fit. - Cylinder: 0-65535 + + /* Check whether the converted CHS can fit. + Cylinder: 0-65535 Head: 0-15 Sector: 1-255*/ - if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect)) + if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect)) goto out_of_range; - + tf->command = ATA_CMD_VERIFY; tf->nsect = n_block & 0xff; /* Sector count 0 means 256 sectors */ tf->lbal = sect; @@ -1289,7 +1276,7 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm tf->lbal = block & 0xff; tf->device |= ATA_LBA; - } else { + } else { /* CHS */ u32 sect, head, cyl, track; @@ -1309,8 +1296,8 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm DPRINTK("block %u track %u cyl %u head %u sect %u\n", (u32)block, track, cyl, head, sect); - /* Check whether the converted CHS can fit. - Cylinder: 0-65535 + /* Check whether the converted CHS can fit. + Cylinder: 0-65535 Head: 0-15 Sector: 1-255*/ if ((cyl >> 16) || (head >> 4) || (sect >> 8) || (!sect)) @@ -1697,7 +1684,7 @@ unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf, if (buflen > (ATA_SERNO_LEN + num + 3)) { /* piv=0, assoc=lu, code_set=ACSII, designator=vendor */ - rbuf[num + 0] = 2; + rbuf[num + 0] = 2; rbuf[num + 3] = ATA_SERNO_LEN; num += 4; ata_id_string(args->id, (unsigned char *) rbuf + num, @@ -1707,8 +1694,8 @@ unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf, if (buflen > (sat_model_serial_desc_len + num + 3)) { /* SAT defined lu model and serial numbers descriptor */ /* piv=0, assoc=lu, code_set=ACSII, designator=t10 vendor id */ - rbuf[num + 0] = 2; - rbuf[num + 1] = 1; + rbuf[num + 0] = 2; + rbuf[num + 1] = 1; rbuf[num + 3] = sat_model_serial_desc_len; num += 4; memcpy(rbuf + num, "ATA ", 8); @@ -2597,6 +2584,21 @@ static inline void ata_scsi_dump_cdb(struct ata_port *ap, #endif } +static inline void __ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *), + struct ata_port *ap, struct ata_device *dev) +{ + if (dev->class == ATA_DEV_ATA) { + ata_xlat_func_t xlat_func = ata_get_xlat_func(dev, + cmd->cmnd[0]); + + if (xlat_func) + ata_scsi_translate(ap, dev, cmd, done, xlat_func); + else + ata_scsi_simulate(ap, dev, cmd, done); + } else + ata_scsi_translate(ap, dev, cmd, done, atapi_xlat); +} + /** * ata_scsi_queuecmd - Issue SCSI cdb to libata-managed device * @cmd: SCSI command to be sent @@ -2631,24 +2633,13 @@ int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) ata_scsi_dump_cdb(ap, cmd); dev = ata_scsi_find_dev(ap, scsidev); - if (unlikely(!dev)) { + if (likely(dev)) + __ata_scsi_queuecmd(cmd, done, ap, dev); + else { cmd->result = (DID_BAD_TARGET << 16); done(cmd); - goto out_unlock; } - if (dev->class == ATA_DEV_ATA) { - ata_xlat_func_t xlat_func = ata_get_xlat_func(dev, - cmd->cmnd[0]); - - if (xlat_func) - ata_scsi_translate(ap, dev, cmd, done, xlat_func); - else - ata_scsi_simulate(ap, dev, cmd, done); - } else - ata_scsi_translate(ap, dev, cmd, done, atapi_xlat); - -out_unlock: spin_unlock(&ap->host_set->lock); spin_lock(shost->host_lock); return 0; diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c index e5b20c6..f77bf18 100644 --- a/drivers/scsi/sata_nv.c +++ b/drivers/scsi/sata_nv.c @@ -29,34 +29,6 @@ * NV-specific details such as register offsets, SATA phy location, * hotplug info, etc. * - * 0.10 - * - Fixed spurious interrupts issue seen with the Maxtor 6H500F0 500GB - * drive. Also made the check_hotplug() callbacks return whether there - * was a hotplug interrupt or not. This was not the source of the - * spurious interrupts, but is the right thing to do anyway. - * - * 0.09 - * - Fixed bug introduced by 0.08's MCP51 and MCP55 support. - * - * 0.08 - * - Added support for MCP51 and MCP55. - * - * 0.07 - * - Added support for RAID class code. - * - * 0.06 - * - Added generic SATA support by using a pci_device_id that filters on - * the IDE storage class code. - * - * 0.03 - * - Fixed a bug where the hotplug handlers for non-CK804/MCP04 were using - * mmio_base, which is only set for the CK804/MCP04 case. - * - * 0.02 - * - Added support for CK804 SATA controller. - * - * 0.01 - * - Initial revision. */ #include <linux/config.h> @@ -74,53 +46,55 @@ #define DRV_NAME "sata_nv" #define DRV_VERSION "0.8" -#define NV_PORTS 2 -#define NV_PIO_MASK 0x1f -#define NV_MWDMA_MASK 0x07 -#define NV_UDMA_MASK 0x7f -#define NV_PORT0_SCR_REG_OFFSET 0x00 -#define NV_PORT1_SCR_REG_OFFSET 0x40 - -#define NV_INT_STATUS 0x10 -#define NV_INT_STATUS_CK804 0x440 -#define NV_INT_STATUS_PDEV_INT 0x01 -#define NV_INT_STATUS_PDEV_PM 0x02 -#define NV_INT_STATUS_PDEV_ADDED 0x04 -#define NV_INT_STATUS_PDEV_REMOVED 0x08 -#define NV_INT_STATUS_SDEV_INT 0x10 -#define NV_INT_STATUS_SDEV_PM 0x20 -#define NV_INT_STATUS_SDEV_ADDED 0x40 -#define NV_INT_STATUS_SDEV_REMOVED 0x80 -#define NV_INT_STATUS_PDEV_HOTPLUG (NV_INT_STATUS_PDEV_ADDED | \ - NV_INT_STATUS_PDEV_REMOVED) -#define NV_INT_STATUS_SDEV_HOTPLUG (NV_INT_STATUS_SDEV_ADDED | \ - NV_INT_STATUS_SDEV_REMOVED) -#define NV_INT_STATUS_HOTPLUG (NV_INT_STATUS_PDEV_HOTPLUG | \ - NV_INT_STATUS_SDEV_HOTPLUG) - -#define NV_INT_ENABLE 0x11 -#define NV_INT_ENABLE_CK804 0x441 -#define NV_INT_ENABLE_PDEV_MASK 0x01 -#define NV_INT_ENABLE_PDEV_PM 0x02 -#define NV_INT_ENABLE_PDEV_ADDED 0x04 -#define NV_INT_ENABLE_PDEV_REMOVED 0x08 -#define NV_INT_ENABLE_SDEV_MASK 0x10 -#define NV_INT_ENABLE_SDEV_PM 0x20 -#define NV_INT_ENABLE_SDEV_ADDED 0x40 -#define NV_INT_ENABLE_SDEV_REMOVED 0x80 -#define NV_INT_ENABLE_PDEV_HOTPLUG (NV_INT_ENABLE_PDEV_ADDED | \ - NV_INT_ENABLE_PDEV_REMOVED) -#define NV_INT_ENABLE_SDEV_HOTPLUG (NV_INT_ENABLE_SDEV_ADDED | \ - NV_INT_ENABLE_SDEV_REMOVED) -#define NV_INT_ENABLE_HOTPLUG (NV_INT_ENABLE_PDEV_HOTPLUG | \ - NV_INT_ENABLE_SDEV_HOTPLUG) - -#define NV_INT_CONFIG 0x12 -#define NV_INT_CONFIG_METHD 0x01 // 0 = INT, 1 = SMI - -// For PCI config register 20 -#define NV_MCP_SATA_CFG_20 0x50 -#define NV_MCP_SATA_CFG_20_SATA_SPACE_EN 0x04 +enum { + NV_PORTS = 2, + NV_PIO_MASK = 0x1f, + NV_MWDMA_MASK = 0x07, + NV_UDMA_MASK = 0x7f, + NV_PORT0_SCR_REG_OFFSET = 0x00, + NV_PORT1_SCR_REG_OFFSET = 0x40, + + NV_INT_STATUS = 0x10, + NV_INT_STATUS_CK804 = 0x440, + NV_INT_STATUS_PDEV_INT = 0x01, + NV_INT_STATUS_PDEV_PM = 0x02, + NV_INT_STATUS_PDEV_ADDED = 0x04, + NV_INT_STATUS_PDEV_REMOVED = 0x08, + NV_INT_STATUS_SDEV_INT = 0x10, + NV_INT_STATUS_SDEV_PM = 0x20, + NV_INT_STATUS_SDEV_ADDED = 0x40, + NV_INT_STATUS_SDEV_REMOVED = 0x80, + NV_INT_STATUS_PDEV_HOTPLUG = (NV_INT_STATUS_PDEV_ADDED | + NV_INT_STATUS_PDEV_REMOVED), + NV_INT_STATUS_SDEV_HOTPLUG = (NV_INT_STATUS_SDEV_ADDED | + NV_INT_STATUS_SDEV_REMOVED), + NV_INT_STATUS_HOTPLUG = (NV_INT_STATUS_PDEV_HOTPLUG | + NV_INT_STATUS_SDEV_HOTPLUG), + + NV_INT_ENABLE = 0x11, + NV_INT_ENABLE_CK804 = 0x441, + NV_INT_ENABLE_PDEV_MASK = 0x01, + NV_INT_ENABLE_PDEV_PM = 0x02, + NV_INT_ENABLE_PDEV_ADDED = 0x04, + NV_INT_ENABLE_PDEV_REMOVED = 0x08, + NV_INT_ENABLE_SDEV_MASK = 0x10, + NV_INT_ENABLE_SDEV_PM = 0x20, + NV_INT_ENABLE_SDEV_ADDED = 0x40, + NV_INT_ENABLE_SDEV_REMOVED = 0x80, + NV_INT_ENABLE_PDEV_HOTPLUG = (NV_INT_ENABLE_PDEV_ADDED | + NV_INT_ENABLE_PDEV_REMOVED), + NV_INT_ENABLE_SDEV_HOTPLUG = (NV_INT_ENABLE_SDEV_ADDED | + NV_INT_ENABLE_SDEV_REMOVED), + NV_INT_ENABLE_HOTPLUG = (NV_INT_ENABLE_PDEV_HOTPLUG | + NV_INT_ENABLE_SDEV_HOTPLUG), + + NV_INT_CONFIG = 0x12, + NV_INT_CONFIG_METHD = 0x01, // 0 = INT, 1 = SMI + + // For PCI config register 20 + NV_MCP_SATA_CFG_20 = 0x50, + NV_MCP_SATA_CFG_20_SATA_SPACE_EN = 0x04, +}; static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); static irqreturn_t nv_interrupt (int irq, void *dev_instance, @@ -175,8 +149,6 @@ static const struct pci_device_id nv_pci_tbl[] = { { 0, } /* terminate list */ }; -#define NV_HOST_FLAGS_SCR_MMIO 0x00000001 - struct nv_host_desc { enum nv_host_type host_type; @@ -332,36 +304,23 @@ static irqreturn_t nv_interrupt (int irq, void *dev_instance, static u32 nv_scr_read (struct ata_port *ap, unsigned int sc_reg) { - struct ata_host_set *host_set = ap->host_set; - struct nv_host *host = host_set->private_data; - if (sc_reg > SCR_CONTROL) return 0xffffffffU; - if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO) - return readl((void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4)); - else - return inl(ap->ioaddr.scr_addr + (sc_reg * 4)); + return ioread32((void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4)); } static void nv_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) { - struct ata_host_set *host_set = ap->host_set; - struct nv_host *host = host_set->private_data; - if (sc_reg > SCR_CONTROL) return; - if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO) - writel(val, (void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4)); - else - outl(val, ap->ioaddr.scr_addr + (sc_reg * 4)); + iowrite32(val, (void __iomem *)ap->ioaddr.scr_addr + (sc_reg * 4)); } static void nv_host_stop (struct ata_host_set *host_set) { struct nv_host *host = host_set->private_data; - struct pci_dev *pdev = to_pci_dev(host_set->dev); // Disable hotplug event interrupts. if (host->host_desc->disable_hotplug) @@ -369,8 +328,7 @@ static void nv_host_stop (struct ata_host_set *host_set) kfree(host); - if (host_set->mmio_base) - pci_iounmap(pdev, host_set->mmio_base); + ata_pci_host_stop(host_set); } static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) @@ -382,6 +340,7 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) int pci_dev_busy = 0; int rc; u32 bar; + unsigned long base; // Make sure this is a SATA controller by counting the number of bars // (NVIDIA SATA controllers will always have six bars). Otherwise, @@ -426,31 +385,16 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) probe_ent->private_data = host; - if (pci_resource_flags(pdev, 5) & IORESOURCE_MEM) - host->host_flags |= NV_HOST_FLAGS_SCR_MMIO; - - if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO) { - unsigned long base; - - probe_ent->mmio_base = pci_iomap(pdev, 5, 0); - if (probe_ent->mmio_base == NULL) { - rc = -EIO; - goto err_out_free_host; - } - - base = (unsigned long)probe_ent->mmio_base; + probe_ent->mmio_base = pci_iomap(pdev, 5, 0); + if (!probe_ent->mmio_base) { + rc = -EIO; + goto err_out_free_host; + } - probe_ent->port[0].scr_addr = - base + NV_PORT0_SCR_REG_OFFSET; - probe_ent->port[1].scr_addr = - base + NV_PORT1_SCR_REG_OFFSET; - } else { + base = (unsigned long)probe_ent->mmio_base; - probe_ent->port[0].scr_addr = - pci_resource_start(pdev, 5) | NV_PORT0_SCR_REG_OFFSET; - probe_ent->port[1].scr_addr = - pci_resource_start(pdev, 5) | NV_PORT1_SCR_REG_OFFSET; - } + probe_ent->port[0].scr_addr = base + NV_PORT0_SCR_REG_OFFSET; + probe_ent->port[1].scr_addr = base + NV_PORT1_SCR_REG_OFFSET; pci_set_master(pdev); @@ -467,8 +411,7 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) return 0; err_out_iounmap: - if (host->host_flags & NV_HOST_FLAGS_SCR_MMIO) - pci_iounmap(pdev, probe_ent->mmio_base); + pci_iounmap(pdev, probe_ent->mmio_base); err_out_free_host: kfree(host); err_out_free_ent: diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c index 3e75d67..18c296c 100644 --- a/drivers/scsi/sata_sil.c +++ b/drivers/scsi/sata_sil.c @@ -371,7 +371,7 @@ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev) if (quirks & SIL_QUIRK_UDMA5MAX) { printk(KERN_INFO "ata%u(%u): applying Maxtor errata fix %s\n", ap->id, dev->devno, model_num); - ap->udma_mask &= ATA_UDMA5; + dev->udma_mask &= ATA_UDMA5; return; } } diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c index 5d01e5c..068c98a 100644 --- a/drivers/scsi/sata_sil24.c +++ b/drivers/scsi/sata_sil24.c @@ -342,7 +342,7 @@ static struct ata_port_info sil24_port_info[] = { .udma_mask = 0x3f, /* udma0-5 */ .port_ops = &sil24_ops, }, - /* sil_3132 */ + /* sil_3132 */ { .sht = &sil24_sht, .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | @@ -842,9 +842,10 @@ static void sil24_port_stop(struct ata_port *ap) static void sil24_host_stop(struct ata_host_set *host_set) { struct sil24_host_priv *hpriv = host_set->private_data; + struct pci_dev *pdev = to_pci_dev(host_set->dev); - iounmap(hpriv->host_base); - iounmap(hpriv->port_base); + pci_iounmap(pdev, hpriv->host_base); + pci_iounmap(pdev, hpriv->port_base); kfree(hpriv); } @@ -871,26 +872,23 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_disable; rc = -ENOMEM; - /* ioremap mmio registers */ - host_base = ioremap(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); + /* map mmio registers */ + host_base = pci_iomap(pdev, 0, 0); if (!host_base) goto out_free; - port_base = ioremap(pci_resource_start(pdev, 2), - pci_resource_len(pdev, 2)); + port_base = pci_iomap(pdev, 2, 0); if (!port_base) goto out_free; /* allocate & init probe_ent and hpriv */ - probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL); + probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL); if (!probe_ent) goto out_free; - hpriv = kmalloc(sizeof(*hpriv), GFP_KERNEL); + hpriv = kzalloc(sizeof(*hpriv), GFP_KERNEL); if (!hpriv) goto out_free; - memset(probe_ent, 0, sizeof(*probe_ent)); probe_ent->dev = pci_dev_to_dev(pdev); INIT_LIST_HEAD(&probe_ent->node); @@ -907,7 +905,6 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) probe_ent->mmio_base = port_base; probe_ent->private_data = hpriv; - memset(hpriv, 0, sizeof(*hpriv)); hpriv->host_base = host_base; hpriv->port_base = port_base; @@ -1011,9 +1008,9 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) out_free: if (host_base) - iounmap(host_base); + pci_iounmap(pdev, host_base); if (port_base) - iounmap(port_base); + pci_iounmap(pdev, port_base); kfree(probe_ent); kfree(hpriv); pci_release_regions(pdev); diff --git a/drivers/scsi/sata_uli.c b/drivers/scsi/sata_uli.c index 8f50257..7ac5a5f 100644 --- a/drivers/scsi/sata_uli.c +++ b/drivers/scsi/sata_uli.c @@ -44,6 +44,8 @@ enum { uli_5287 = 1, uli_5281 = 2, + uli_max_ports = 4, + /* PCI configuration registers */ ULI5287_BASE = 0x90, /* sata0 phy SCR registers */ ULI5287_OFFS = 0x10, /* offset from sata0->sata1 phy regs */ @@ -51,6 +53,10 @@ enum { ULI5281_OFFS = 0x60, /* offset from sata0->sata1 phy regs */ }; +struct uli_priv { + unsigned int scr_cfg_addr[uli_max_ports]; +}; + static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); static u32 uli_scr_read (struct ata_port *ap, unsigned int sc_reg); static void uli_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val); @@ -137,7 +143,8 @@ MODULE_VERSION(DRV_VERSION); static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg) { - return ap->ioaddr.scr_addr + (4 * sc_reg); + struct uli_priv *hpriv = ap->host_set->private_data; + return hpriv->scr_cfg_addr[ap->port_no] + (4 * sc_reg); } static u32 uli_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg) @@ -182,6 +189,7 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) int rc; unsigned int board_idx = (unsigned int) ent->driver_data; int pci_dev_busy = 0; + struct uli_priv *hpriv; if (!printed_version++) dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n"); @@ -210,10 +218,18 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_regions; } + hpriv = kzalloc(sizeof(*hpriv), GFP_KERNEL); + if (!hpriv) { + rc = -ENOMEM; + goto err_out_probe_ent; + } + + probe_ent->private_data = hpriv; + switch (board_idx) { case uli_5287: - probe_ent->port[0].scr_addr = ULI5287_BASE; - probe_ent->port[1].scr_addr = ULI5287_BASE + ULI5287_OFFS; + hpriv->scr_cfg_addr[0] = ULI5287_BASE; + hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS; probe_ent->n_ports = 4; probe_ent->port[2].cmd_addr = pci_resource_start(pdev, 0) + 8; @@ -221,27 +237,27 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) probe_ent->port[2].ctl_addr = (pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS) + 4; probe_ent->port[2].bmdma_addr = pci_resource_start(pdev, 4) + 16; - probe_ent->port[2].scr_addr = ULI5287_BASE + ULI5287_OFFS*4; + hpriv->scr_cfg_addr[2] = ULI5287_BASE + ULI5287_OFFS*4; probe_ent->port[3].cmd_addr = pci_resource_start(pdev, 2) + 8; probe_ent->port[3].altstatus_addr = probe_ent->port[3].ctl_addr = (pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS) + 4; probe_ent->port[3].bmdma_addr = pci_resource_start(pdev, 4) + 24; - probe_ent->port[3].scr_addr = ULI5287_BASE + ULI5287_OFFS*5; + hpriv->scr_cfg_addr[3] = ULI5287_BASE + ULI5287_OFFS*5; ata_std_ports(&probe_ent->port[2]); ata_std_ports(&probe_ent->port[3]); break; case uli_5289: - probe_ent->port[0].scr_addr = ULI5287_BASE; - probe_ent->port[1].scr_addr = ULI5287_BASE + ULI5287_OFFS; + hpriv->scr_cfg_addr[0] = ULI5287_BASE; + hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS; break; case uli_5281: - probe_ent->port[0].scr_addr = ULI5281_BASE; - probe_ent->port[1].scr_addr = ULI5281_BASE + ULI5281_OFFS; + hpriv->scr_cfg_addr[0] = ULI5281_BASE; + hpriv->scr_cfg_addr[1] = ULI5281_BASE + ULI5281_OFFS; break; default: @@ -258,9 +274,10 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) return 0; +err_out_probe_ent: + kfree(probe_ent); err_out_regions: pci_release_regions(pdev); - err_out: if (!pci_dev_busy) pci_disable_device(pdev); diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c index 9701a80..836bbbb 100644 --- a/drivers/scsi/sata_vsc.c +++ b/drivers/scsi/sata_vsc.c @@ -230,11 +230,11 @@ static irqreturn_t vsc_sata_interrupt (int irq, void *dev_instance, handled += ata_host_intr(ap, qc); } else if (is_vsc_sata_int_err(i, int_status)) { /* - * On some chips (i.e. Intel 31244), an error + * On some chips (i.e. Intel 31244), an error * interrupt will sneak in at initialization * time (phy state changes). Clearing the SCR * error register is not required, but it prevents - * the phy state change interrupts from recurring + * the phy state change interrupts from recurring * later. */ u32 err_status; diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 8905549..a6fde52 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -286,7 +286,7 @@ static int scsi_bus_suspend(struct device * dev, pm_message_t state) return err; if (sht->suspend) - err = sht->suspend(sdev); + err = sht->suspend(sdev, state); return err; } diff --git a/include/linux/libata.h b/include/linux/libata.h index 7a54244..0471922 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -358,6 +358,11 @@ struct ata_device { unsigned int max_sectors; /* per-device max sectors */ unsigned int cdb_len; + /* per-dev xfer mask */ + unsigned int pio_mask; + unsigned int mwdma_mask; + unsigned int udma_mask; + /* for CHS addressing */ u16 cylinders; /* Number of cylinders */ u16 heads; /* Number of heads */ @@ -395,6 +400,7 @@ struct ata_port { struct ata_host_stats stats; struct ata_host_set *host_set; + struct device *dev; struct work_struct port_task; @@ -515,9 +521,9 @@ extern void ata_eh_qc_retry(struct ata_queued_cmd *qc); extern int ata_scsi_release(struct Scsi_Host *host); extern unsigned int ata_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc); extern int ata_scsi_device_resume(struct scsi_device *); -extern int ata_scsi_device_suspend(struct scsi_device *); +extern int ata_scsi_device_suspend(struct scsi_device *, pm_message_t state); extern int ata_device_resume(struct ata_port *, struct ata_device *); -extern int ata_device_suspend(struct ata_port *, struct ata_device *); +extern int ata_device_suspend(struct ata_port *, struct ata_device *, pm_message_t state); extern int ata_ratelimit(void); extern unsigned int ata_busy_sleep(struct ata_port *ap, unsigned long timeout_pat, @@ -568,6 +574,8 @@ extern int ata_std_bios_param(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int geom[]); extern int ata_scsi_slave_config(struct scsi_device *sdev); +extern struct ata_device *ata_dev_pair(struct ata_port *ap, + struct ata_device *adev); /* * Timing helpers diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index a6cf3e5..dc6862d 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -286,7 +286,7 @@ struct scsi_host_template { * suspend support */ int (*resume)(struct scsi_device *); - int (*suspend)(struct scsi_device *); + int (*suspend)(struct scsi_device *, pm_message_t state); /* * Name of proc directory |
