From 25f98131a292f4c81e4619bdf48f00a991386f73 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 7 Jan 2008 19:38:53 +0900 Subject: [PATCH 1/4] ata_piix: ignore ATA_DMA_ERR on vmware ich4 VMware ich4 emulation incorrectly sets DMA_ERR on TF error. Ignore it. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/ata_piix.c | 51 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index bb62a588f489..b406b39b878e 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -132,6 +132,7 @@ enum { ich8_2port_sata, ich8m_apple_sata_ahci, /* locks up on second port enable */ tolapai_sata_ahci, + piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */ /* constants for mapping table */ P0 = 0, /* port 0 */ @@ -165,6 +166,7 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev); static void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev); static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev); static int ich_pata_cable_detect(struct ata_port *ap); +static u8 piix_vmw_bmdma_status(struct ata_port *ap); #ifdef CONFIG_PM static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg); static int piix_pci_device_resume(struct pci_dev *pdev); @@ -175,6 +177,8 @@ static unsigned int in_module_init = 1; static const struct pci_device_id piix_pci_tbl[] = { /* Intel PIIX3 for the 430HX etc */ { 0x8086, 0x7010, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix_pata_mwdma }, + /* VMware ICH4 */ + { 0x8086, 0x7111, 0x15ad, 0x1976, 0, 0, piix_pata_vmw }, /* Intel PIIX4 for the 430TX/440BX/MX chipset: UDMA 33 */ /* Also PIIX4E (fn3 rev 2) and PIIX4M (fn3 rev 3) */ { 0x8086, 0x7111, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix_pata_33 }, @@ -383,6 +387,38 @@ static const struct ata_port_operations piix_sata_ops = { .port_start = ata_port_start, }; +static const struct ata_port_operations piix_vmw_ops = { + .set_piomode = piix_set_piomode, + .set_dmamode = piix_set_dmamode, + .mode_filter = ata_pci_default_filter, + + .tf_load = ata_tf_load, + .tf_read = ata_tf_read, + .check_status = ata_check_status, + .exec_command = ata_exec_command, + .dev_select = ata_std_dev_select, + + .bmdma_setup = ata_bmdma_setup, + .bmdma_start = ata_bmdma_start, + .bmdma_stop = ata_bmdma_stop, + .bmdma_status = piix_vmw_bmdma_status, + .qc_prep = ata_qc_prep, + .qc_issue = ata_qc_issue_prot, + .data_xfer = ata_data_xfer, + + .freeze = ata_bmdma_freeze, + .thaw = ata_bmdma_thaw, + .error_handler = piix_pata_error_handler, + .post_internal_cmd = ata_bmdma_post_internal_cmd, + .cable_detect = ata_cable_40wire, + + .irq_handler = ata_interrupt, + .irq_clear = ata_bmdma_irq_clear, + .irq_on = ata_irq_on, + + .port_start = ata_port_start, +}; + static const struct piix_map_db ich5_map_db = { .mask = 0x7, .port_enable = 0x3, @@ -623,6 +659,16 @@ static struct ata_port_info piix_port_info[] = { .port_ops = &piix_sata_ops, }, + [piix_pata_vmw] = + { + .sht = &piix_sht, + .flags = PIIX_PATA_FLAGS, + .pio_mask = 0x1f, /* pio0-4 */ + .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */ + .udma_mask = ATA_UDMA_MASK_40C, + .port_ops = &piix_vmw_ops, + }, + }; static struct pci_bits piix_enable_bits[] = { @@ -1135,6 +1181,11 @@ static int piix_pci_device_resume(struct pci_dev *pdev) } #endif +static u8 piix_vmw_bmdma_status(struct ata_port *ap) +{ + return ata_bmdma_status(ap) & ~ATA_DMA_ERR; +} + #define AHCI_PCI_BAR 5 #define AHCI_GLOBAL_CTL 0x04 #define AHCI_ENABLE (1 << 31) From 7293fa8fb74f17077a2ac7ccd5b58ae3225317d0 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sun, 13 Jan 2008 13:49:22 +0900 Subject: [PATCH 2/4] sata_sil24: fix stupid typo Fix stupid typo. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/ata/sata_sil24.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index b4c674d83769..d9c8b32b483c 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -301,7 +301,7 @@ static struct sil24_cerr_info { [PORT_CERR_PKT_PROT] = { AC_ERR_HSM, ATA_EH_SOFTRESET, "invalid data directon for ATAPI CDB" }, [PORT_CERR_SGT_BOUNDARY] = { AC_ERR_SYSTEM, ATA_EH_SOFTRESET, - "SGT no on qword boundary" }, + "SGT not on qword boundary" }, [PORT_CERR_SGT_TGTABRT] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, "PCI target abort while fetching SGT" }, [PORT_CERR_SGT_MSTABRT] = { AC_ERR_HOST_BUS, ATA_EH_SOFTRESET, From c2e14f11120bbef0c883e795da8180b58f3cddae Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sun, 13 Jan 2008 14:04:16 +0900 Subject: [PATCH 3/4] sata_sil24: freeze on non-dev errors reported via CERR CERR reports errors detected during executing a command. This doesn't mean the error is tied to the command and can be recovered by just issuing it again. Many of the errors are fatal port-wide connditions including HSM violation, host bus error and ATA bus error and require freezing and port reset. The freezing part wasn't implemented previously. This used to be okay because port resets were scheduled anyway and EH eventually resets and recovers the port. With PMP support added, this is no longer true. The error condition and recover actions are attributed to the fan-out port and the host port condition isn't properly recovered leading to EH failures. This patch makes CERR errors which require resets to freeze the port. This will force host port reset and proper recovery. Signed-off-by: Tejun Heo Cc: Andrew Ryder Signed-off-by: Jeff Garzik --- drivers/ata/sata_sil24.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index d9c8b32b483c..864c1c1b8511 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -1094,10 +1094,13 @@ static void sil24_error_intr(struct ata_port *ap) if (ci && ci->desc) { err_mask |= ci->err_mask; action |= ci->action; + if (action & ATA_EH_RESET_MASK) + freeze = 1; ata_ehi_push_desc(ehi, "%s", ci->desc); } else { err_mask |= AC_ERR_OTHER; action |= ATA_EH_SOFTRESET; + freeze = 1; ata_ehi_push_desc(ehi, "unknown command error %d", cerr); } From d8cf5389bd9d1f0ac9fea51796c274ba64b83d80 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 15 Jan 2008 08:46:59 +0900 Subject: [PATCH 4/4] libata: relocate sdev->manage_start_stop configuration After 9b8e8de7, manage_start_stop configuration depends on valid ATA device. Move it into ata_scsi_dev_config(). This was detected by the coverity checker. Signed-off-by: Tejun Heo Cc: Adrian Bunk Signed-off-by: Jeff Garzik --- drivers/ata/libata-scsi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 264ae60e3fd8..14daf4848f09 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -841,6 +841,9 @@ static void ata_scsi_dev_config(struct scsi_device *sdev, blk_queue_max_hw_segments(q, q->max_hw_segments - 1); } + if (dev->class == ATA_DEV_ATA) + sdev->manage_start_stop = 1; + if (dev->flags & ATA_DFLAG_AN) set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events); @@ -872,9 +875,6 @@ int ata_scsi_slave_config(struct scsi_device *sdev) ata_scsi_sdev_config(sdev); - if (dev->class == ATA_DEV_ATA) - sdev->manage_start_stop = 1; - if (dev) ata_scsi_dev_config(sdev, dev);