|  | // SPDX-License-Identifier: GPL-2.0-or-later | 
|  | /* | 
|  | *  ahci.c - AHCI SATA support | 
|  | * | 
|  | *  Maintained by:  Tejun Heo <tj@kernel.org> | 
|  | *    		    Please ALWAYS copy linux-ide@vger.kernel.org | 
|  | *		    on emails. | 
|  | * | 
|  | *  Copyright 2004-2005 Red Hat, Inc. | 
|  | * | 
|  | * libata documentation is available via 'make {ps|pdf}docs', | 
|  | * as Documentation/driver-api/libata.rst | 
|  | * | 
|  | * AHCI hardware documentation: | 
|  | * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf | 
|  | * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf | 
|  | */ | 
|  |  | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/module.h> | 
|  | #include <linux/pci.h> | 
|  | #include <linux/blkdev.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/interrupt.h> | 
|  | #include <linux/dma-mapping.h> | 
|  | #include <linux/device.h> | 
|  | #include <linux/dmi.h> | 
|  | #include <linux/gfp.h> | 
|  | #include <scsi/scsi_host.h> | 
|  | #include <scsi/scsi_cmnd.h> | 
|  | #include <linux/libata.h> | 
|  | #include <linux/ahci-remap.h> | 
|  | #include <linux/io-64-nonatomic-lo-hi.h> | 
|  | #include "ahci.h" | 
|  |  | 
|  | #define DRV_NAME	"ahci" | 
|  | #define DRV_VERSION	"3.0" | 
|  |  | 
|  | enum { | 
|  | AHCI_PCI_BAR_STA2X11	= 0, | 
|  | AHCI_PCI_BAR_CAVIUM	= 0, | 
|  | AHCI_PCI_BAR_LOONGSON	= 0, | 
|  | AHCI_PCI_BAR_ENMOTUS	= 2, | 
|  | AHCI_PCI_BAR_CAVIUM_GEN5	= 4, | 
|  | AHCI_PCI_BAR_STANDARD	= 5, | 
|  | }; | 
|  |  | 
|  | enum board_ids { | 
|  | /* board IDs by feature in alphabetical order */ | 
|  | board_ahci, | 
|  | board_ahci_43bit_dma, | 
|  | board_ahci_ign_iferr, | 
|  | board_ahci_no_debounce_delay, | 
|  | board_ahci_no_msi, | 
|  | /* | 
|  | * board_ahci_pcs_quirk is for legacy Intel platforms. | 
|  | * Modern Intel platforms should use board_ahci instead. | 
|  | * (Some modern Intel platforms might have been added with | 
|  | * board_ahci_pcs_quirk, however, we cannot change them to board_ahci | 
|  | * without testing that the platform actually works without the quirk.) | 
|  | */ | 
|  | board_ahci_pcs_quirk, | 
|  | board_ahci_pcs_quirk_no_devslp, | 
|  | board_ahci_pcs_quirk_no_sntf, | 
|  | board_ahci_yes_fbs, | 
|  | board_ahci_yes_fbs_atapi_dma, | 
|  |  | 
|  | /* board IDs for specific chipsets in alphabetical order */ | 
|  | board_ahci_al, | 
|  | board_ahci_avn, | 
|  | board_ahci_mcp65, | 
|  | board_ahci_mcp77, | 
|  | board_ahci_mcp89, | 
|  | board_ahci_mv, | 
|  | board_ahci_sb600, | 
|  | board_ahci_sb700,	/* for SB700 and SB800 */ | 
|  | board_ahci_vt8251, | 
|  |  | 
|  | /* aliases */ | 
|  | board_ahci_mcp_linux	= board_ahci_mcp65, | 
|  | board_ahci_mcp67	= board_ahci_mcp65, | 
|  | board_ahci_mcp73	= board_ahci_mcp65, | 
|  | board_ahci_mcp79	= board_ahci_mcp77, | 
|  | }; | 
|  |  | 
|  | static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); | 
|  | static void ahci_remove_one(struct pci_dev *dev); | 
|  | static void ahci_shutdown_one(struct pci_dev *dev); | 
|  | static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv); | 
|  | static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline); | 
|  | static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline); | 
|  | static void ahci_mcp89_apple_enable(struct pci_dev *pdev); | 
|  | static bool is_mcp89_apple(struct pci_dev *pdev); | 
|  | static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline); | 
|  | #ifdef CONFIG_PM | 
|  | static int ahci_pci_device_runtime_suspend(struct device *dev); | 
|  | static int ahci_pci_device_runtime_resume(struct device *dev); | 
|  | #ifdef CONFIG_PM_SLEEP | 
|  | static int ahci_pci_device_suspend(struct device *dev); | 
|  | static int ahci_pci_device_resume(struct device *dev); | 
|  | #endif | 
|  | #endif /* CONFIG_PM */ | 
|  |  | 
|  | static const struct scsi_host_template ahci_sht = { | 
|  | AHCI_SHT("ahci"), | 
|  | }; | 
|  |  | 
|  | static struct ata_port_operations ahci_vt8251_ops = { | 
|  | .inherits		= &ahci_ops, | 
|  | .reset.hardreset	= ahci_vt8251_hardreset, | 
|  | }; | 
|  |  | 
|  | static struct ata_port_operations ahci_p5wdh_ops = { | 
|  | .inherits		= &ahci_ops, | 
|  | .reset.hardreset	= ahci_p5wdh_hardreset, | 
|  | }; | 
|  |  | 
|  | static struct ata_port_operations ahci_avn_ops = { | 
|  | .inherits		= &ahci_ops, | 
|  | .reset.hardreset	= ahci_avn_hardreset, | 
|  | }; | 
|  |  | 
|  | static const struct ata_port_info ahci_port_info[] = { | 
|  | /* by features */ | 
|  | [board_ahci] = { | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_43bit_dma] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_43BIT_ONLY), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_ign_iferr] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_IGN_IRQ_IF_ERR), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_no_debounce_delay] = { | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .link_flags	= ATA_LFLAG_NO_DEBOUNCE_DELAY, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_no_msi] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_MSI), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_pcs_quirk] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_INTEL_PCS_QUIRK), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_pcs_quirk_no_devslp] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_INTEL_PCS_QUIRK | | 
|  | AHCI_HFLAG_NO_DEVSLP), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_pcs_quirk_no_sntf] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_INTEL_PCS_QUIRK | | 
|  | AHCI_HFLAG_NO_SNTF), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_yes_fbs] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_YES_FBS), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_yes_fbs_atapi_dma] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_YES_FBS | | 
|  | AHCI_HFLAG_ATAPI_DMA_QUIRK), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | /* by chipsets */ | 
|  | [board_ahci_al] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_PMP | AHCI_HFLAG_NO_MSI), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_avn] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_INTEL_PCS_QUIRK), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_avn_ops, | 
|  | }, | 
|  | [board_ahci_mcp65] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP | | 
|  | AHCI_HFLAG_YES_NCQ), | 
|  | .flags		= AHCI_FLAG_COMMON | ATA_FLAG_NO_DIPM, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_mcp77] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_mcp89] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_FPDMA_AA), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_mv] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI | | 
|  | AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP), | 
|  | .flags		= ATA_FLAG_SATA | ATA_FLAG_PIO_DMA, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_ops, | 
|  | }, | 
|  | [board_ahci_sb600] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL | | 
|  | AHCI_HFLAG_NO_MSI | AHCI_HFLAG_SECT255 | | 
|  | AHCI_HFLAG_32BIT_ONLY), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_pmp_retry_srst_ops, | 
|  | }, | 
|  | [board_ahci_sb700] = {	/* for SB700 and SB800 */ | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_pmp_retry_srst_ops, | 
|  | }, | 
|  | [board_ahci_vt8251] = { | 
|  | AHCI_HFLAGS	(AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP), | 
|  | .flags		= AHCI_FLAG_COMMON, | 
|  | .pio_mask	= ATA_PIO4, | 
|  | .udma_mask	= ATA_UDMA6, | 
|  | .port_ops	= &ahci_vt8251_ops, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static const struct pci_device_id ahci_pci_tbl[] = { | 
|  | /* Intel */ | 
|  | { PCI_VDEVICE(INTEL, 0x06d6), board_ahci_pcs_quirk }, /* Comet Lake PCH-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x2652), board_ahci_pcs_quirk }, /* ICH6 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2653), board_ahci_pcs_quirk }, /* ICH6M */ | 
|  | { PCI_VDEVICE(INTEL, 0x27c1), board_ahci_pcs_quirk }, /* ICH7 */ | 
|  | { PCI_VDEVICE(INTEL, 0x27c5), board_ahci_pcs_quirk }, /* ICH7M */ | 
|  | { PCI_VDEVICE(INTEL, 0x27c3), board_ahci_pcs_quirk }, /* ICH7R */ | 
|  | { PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2681), board_ahci_pcs_quirk }, /* ESB2 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2682), board_ahci_pcs_quirk }, /* ESB2 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2683), board_ahci_pcs_quirk }, /* ESB2 */ | 
|  | { PCI_VDEVICE(INTEL, 0x27c6), board_ahci_pcs_quirk }, /* ICH7-M DH */ | 
|  | { PCI_VDEVICE(INTEL, 0x2821), board_ahci_pcs_quirk }, /* ICH8 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2822), board_ahci_pcs_quirk_no_sntf }, /* ICH8/Lewisburg RAID*/ | 
|  | { PCI_VDEVICE(INTEL, 0x2824), board_ahci_pcs_quirk }, /* ICH8 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2829), board_ahci_pcs_quirk }, /* ICH8M */ | 
|  | { PCI_VDEVICE(INTEL, 0x282a), board_ahci_pcs_quirk }, /* ICH8M */ | 
|  | { PCI_VDEVICE(INTEL, 0x2922), board_ahci_pcs_quirk }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2923), board_ahci_pcs_quirk }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2924), board_ahci_pcs_quirk }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2925), board_ahci_pcs_quirk }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2927), board_ahci_pcs_quirk }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2929), board_ahci_pcs_quirk }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x292a), board_ahci_pcs_quirk }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x292b), board_ahci_pcs_quirk }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x292c), board_ahci_pcs_quirk }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x292f), board_ahci_pcs_quirk }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x294d), board_ahci_pcs_quirk }, /* ICH9 */ | 
|  | { PCI_VDEVICE(INTEL, 0x294e), board_ahci_pcs_quirk }, /* ICH9M */ | 
|  | { PCI_VDEVICE(INTEL, 0x502a), board_ahci_pcs_quirk }, /* Tolapai */ | 
|  | { PCI_VDEVICE(INTEL, 0x502b), board_ahci_pcs_quirk }, /* Tolapai */ | 
|  | { PCI_VDEVICE(INTEL, 0x3a05), board_ahci_pcs_quirk }, /* ICH10 */ | 
|  | { PCI_VDEVICE(INTEL, 0x3a22), board_ahci_pcs_quirk }, /* ICH10 */ | 
|  | { PCI_VDEVICE(INTEL, 0x3a25), board_ahci_pcs_quirk }, /* ICH10 */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b22), board_ahci_pcs_quirk }, /* PCH AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b23), board_ahci_pcs_quirk }, /* PCH AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b24), board_ahci_pcs_quirk }, /* PCH RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b25), board_ahci_pcs_quirk }, /* PCH RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b29), board_ahci_pcs_quirk }, /* PCH M AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci_pcs_quirk }, /* PCH RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_pcs_quirk }, /* PCH M RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci_pcs_quirk }, /* PCH AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19b0), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19b1), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19b2), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19b3), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19b4), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19b5), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19b6), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19b7), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19bE), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19bF), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19c0), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19c1), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19c2), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19c3), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19c4), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19c5), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19c6), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19c7), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19cE), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x19cF), board_ahci }, /* DNV AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c02), board_ahci_pcs_quirk }, /* CPT AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c03), board_ahci_pcs_quirk }, /* CPT M AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c04), board_ahci_pcs_quirk }, /* CPT RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c05), board_ahci_pcs_quirk }, /* CPT M RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c06), board_ahci_pcs_quirk }, /* CPT RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1c07), board_ahci_pcs_quirk }, /* CPT RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1d02), board_ahci_pcs_quirk }, /* PBG AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1d04), board_ahci_pcs_quirk }, /* PBG RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1d06), board_ahci_pcs_quirk }, /* PBG RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x2323), board_ahci_pcs_quirk }, /* DH89xxCC AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e02), board_ahci_pcs_quirk }, /* Panther Point AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e03), board_ahci_pcs_quirk }, /* Panther M AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e04), board_ahci_pcs_quirk }, /* Panther Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e05), board_ahci_pcs_quirk }, /* Panther Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e06), board_ahci_pcs_quirk }, /* Panther Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e07), board_ahci_pcs_quirk }, /* Panther M RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1e0e), board_ahci_pcs_quirk }, /* Panther Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c02), board_ahci_pcs_quirk }, /* Lynx Point AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c03), board_ahci_pcs_quirk }, /* Lynx M AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c04), board_ahci_pcs_quirk }, /* Lynx Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c05), board_ahci_pcs_quirk }, /* Lynx M RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c06), board_ahci_pcs_quirk }, /* Lynx Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c07), board_ahci_pcs_quirk }, /* Lynx M RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c0e), board_ahci_pcs_quirk }, /* Lynx Point RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c0f), board_ahci_pcs_quirk }, /* Lynx M RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c02), board_ahci_pcs_quirk }, /* Lynx LP AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c03), board_ahci_pcs_quirk }, /* Lynx LP AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c04), board_ahci_pcs_quirk }, /* Lynx LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c05), board_ahci_pcs_quirk }, /* Lynx LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c06), board_ahci_pcs_quirk }, /* Lynx LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c07), board_ahci_pcs_quirk }, /* Lynx LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c0e), board_ahci_pcs_quirk }, /* Lynx LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c0f), board_ahci_pcs_quirk }, /* Lynx LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9dd3), board_ahci_pcs_quirk }, /* Cannon Lake PCH-LP AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f22), board_ahci_pcs_quirk }, /* Avoton AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f23), board_ahci_pcs_quirk }, /* Avoton AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f24), board_ahci_pcs_quirk }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f25), board_ahci_pcs_quirk }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f26), board_ahci_pcs_quirk }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f27), board_ahci_pcs_quirk }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f2e), board_ahci_pcs_quirk }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f2f), board_ahci_pcs_quirk }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f32), board_ahci_avn }, /* Avoton AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f33), board_ahci_avn }, /* Avoton AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f34), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f35), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f36), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x2823), board_ahci_pcs_quirk }, /* Wellsburg/Lewisburg AHCI*/ | 
|  | { PCI_VDEVICE(INTEL, 0x2826), board_ahci_pcs_quirk }, /* *burg SATA0 'RAID' */ | 
|  | { PCI_VDEVICE(INTEL, 0x2827), board_ahci_pcs_quirk }, /* *burg SATA1 'RAID' */ | 
|  | { PCI_VDEVICE(INTEL, 0x282f), board_ahci_pcs_quirk }, /* *burg SATA2 'RAID' */ | 
|  | { PCI_VDEVICE(INTEL, 0x43d4), board_ahci_pcs_quirk }, /* Rocket Lake PCH-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x43d5), board_ahci_pcs_quirk }, /* Rocket Lake PCH-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x43d6), board_ahci_pcs_quirk }, /* Rocket Lake PCH-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x43d7), board_ahci_pcs_quirk }, /* Rocket Lake PCH-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d02), board_ahci_pcs_quirk }, /* Wellsburg AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d04), board_ahci_pcs_quirk }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d06), board_ahci_pcs_quirk }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d0e), board_ahci_pcs_quirk }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d62), board_ahci_pcs_quirk }, /* Wellsburg AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d64), board_ahci_pcs_quirk }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d66), board_ahci_pcs_quirk }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8d6e), board_ahci_pcs_quirk }, /* Wellsburg RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x23a3), board_ahci_pcs_quirk }, /* Coleto Creek AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c83), board_ahci_pcs_quirk }, /* Wildcat LP AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c85), board_ahci_pcs_quirk }, /* Wildcat LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c87), board_ahci_pcs_quirk }, /* Wildcat LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9c8f), board_ahci_pcs_quirk }, /* Wildcat LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c82), board_ahci_pcs_quirk }, /* 9 Series AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c83), board_ahci_pcs_quirk }, /* 9 Series M AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c84), board_ahci_pcs_quirk }, /* 9 Series RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c85), board_ahci_pcs_quirk }, /* 9 Series M RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c86), board_ahci_pcs_quirk }, /* 9 Series RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c87), board_ahci_pcs_quirk }, /* 9 Series M RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci_pcs_quirk }, /* 9 Series RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci_pcs_quirk }, /* 9 Series M RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9d03), board_ahci_pcs_quirk }, /* Sunrise LP AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x9d05), board_ahci_pcs_quirk }, /* Sunrise LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x9d07), board_ahci_pcs_quirk }, /* Sunrise LP RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0xa102), board_ahci_pcs_quirk }, /* Sunrise Point-H AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0xa103), board_ahci_pcs_quirk }, /* Sunrise M AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0xa105), board_ahci_pcs_quirk }, /* Sunrise Point-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0xa106), board_ahci_pcs_quirk }, /* Sunrise Point-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0xa107), board_ahci_pcs_quirk }, /* Sunrise M RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0xa10f), board_ahci_pcs_quirk }, /* Sunrise Point-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0xa182), board_ahci_pcs_quirk }, /* Lewisburg AHCI*/ | 
|  | { PCI_VDEVICE(INTEL, 0xa186), board_ahci_pcs_quirk }, /* Lewisburg RAID*/ | 
|  | { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci_pcs_quirk }, /* Lewisburg RAID*/ | 
|  | { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci_pcs_quirk }, /* Lewisburg RAID*/ | 
|  | { PCI_VDEVICE(INTEL, 0xa202), board_ahci_pcs_quirk }, /* Lewisburg AHCI*/ | 
|  | { PCI_VDEVICE(INTEL, 0xa206), board_ahci_pcs_quirk }, /* Lewisburg RAID*/ | 
|  | { PCI_VDEVICE(INTEL, 0xa252), board_ahci_pcs_quirk }, /* Lewisburg RAID*/ | 
|  | { PCI_VDEVICE(INTEL, 0xa256), board_ahci_pcs_quirk }, /* Lewisburg RAID*/ | 
|  | { PCI_VDEVICE(INTEL, 0xa356), board_ahci_pcs_quirk }, /* Cannon Lake PCH-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x06d7), board_ahci_pcs_quirk }, /* Comet Lake-H RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0xa386), board_ahci_pcs_quirk }, /* Comet Lake PCH-V RAID */ | 
|  | { PCI_VDEVICE(INTEL, 0x0f22), board_ahci_pcs_quirk }, /* Bay Trail AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x0f23), board_ahci_pcs_quirk_no_devslp }, /* Bay Trail AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x22a3), board_ahci_pcs_quirk }, /* Cherry Tr. AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_pcs_quirk }, /* ApolloLake AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x34d3), board_ahci_pcs_quirk }, /* Ice Lake LP AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x02d3), board_ahci_pcs_quirk }, /* Comet Lake PCH-U AHCI */ | 
|  | { PCI_VDEVICE(INTEL, 0x02d7), board_ahci_pcs_quirk }, /* Comet Lake PCH RAID */ | 
|  | /* Elkhart Lake IDs 0x4b60 & 0x4b62 https://sata-io.org/product/8803 not tested yet */ | 
|  | { PCI_VDEVICE(INTEL, 0x4b63), board_ahci_pcs_quirk }, /* Elkhart Lake AHCI */ | 
|  |  | 
|  | /* JMicron 360/1/3/5/6, match class to avoid IDE function */ | 
|  | { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr }, | 
|  | /* JMicron 362B and 362C have an AHCI function with IDE class code */ | 
|  | { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr }, | 
|  | { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr }, | 
|  | /* May need to update quirk_jmicron_async_suspend() for additions */ | 
|  |  | 
|  | /* ATI */ | 
|  | { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */ | 
|  | { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  | { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  | { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  | { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  | { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  | { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */ | 
|  |  | 
|  | /* Amazon's Annapurna Labs support */ | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031), | 
|  | .class = PCI_CLASS_STORAGE_SATA_AHCI, | 
|  | .class_mask = 0xffffff, | 
|  | board_ahci_al }, | 
|  | /* AMD */ | 
|  | { PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */ | 
|  | { PCI_VDEVICE(AMD, 0x7801), board_ahci_no_debounce_delay }, /* AMD Hudson-2 (AHCI mode) */ | 
|  | { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */ | 
|  | { PCI_VDEVICE(AMD, 0x7901), board_ahci }, /* AMD Green Sardine */ | 
|  | /* AMD is using RAID class only for ahci controllers */ | 
|  | { PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci }, | 
|  |  | 
|  | /* Dell S140/S150 */ | 
|  | { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_SUBVENDOR_ID_DELL, PCI_ANY_ID, | 
|  | PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci_pcs_quirk }, | 
|  |  | 
|  | /* VIA */ | 
|  | { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */ | 
|  | { PCI_VDEVICE(VIA, 0x6287), board_ahci_vt8251 }, /* VIA VT8251 */ | 
|  |  | 
|  | /* NVIDIA */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x044c), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x044d), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x044e), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x044f), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x045c), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 },	/* MCP65 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_mcp67 },	/* MCP67 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_mcp_linux },	/* Linux ID */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_mcp73 },	/* MCP73 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad3), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad4), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad5), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad6), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad7), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad8), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci_mcp77 },	/* MCP77 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0abb), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0abc), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci_mcp79 },	/* MCP79 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci_mcp89 },	/* MCP89 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci_mcp89 },	/* MCP89 */ | 
|  |  | 
|  | /* SiS */ | 
|  | { PCI_VDEVICE(SI, 0x1184), board_ahci },		/* SiS 966 */ | 
|  | { PCI_VDEVICE(SI, 0x1185), board_ahci },		/* SiS 968 */ | 
|  | { PCI_VDEVICE(SI, 0x0186), board_ahci },		/* SiS 968 */ | 
|  |  | 
|  | /* ST Microelectronics */ | 
|  | { PCI_VDEVICE(STMICRO, 0xCC06), board_ahci },		/* ST ConneXt */ | 
|  |  | 
|  | /* Marvell */ | 
|  | { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv },	/* 6145 */ | 
|  | { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv },	/* 6121 */ | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9123), | 
|  | .class = PCI_CLASS_STORAGE_SATA_AHCI, | 
|  | .class_mask = 0xffffff, | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9128 */ | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125), | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9125 */ | 
|  | { PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178, | 
|  | PCI_VENDOR_ID_MARVELL_EXT, 0x9170), | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9170 */ | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a), | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9172 */ | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172), | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9182 */ | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9182), | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9172 */ | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9192), | 
|  | .driver_data = board_ahci_yes_fbs },			/* 88se9172 on some Gigabyte */ | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0), | 
|  | .driver_data = board_ahci_yes_fbs }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), 	/* 88se91a2 */ | 
|  | .driver_data = board_ahci_yes_fbs }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3), | 
|  | .driver_data = board_ahci_yes_fbs }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9215), | 
|  | .driver_data = board_ahci_yes_fbs_atapi_dma }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230), | 
|  | .driver_data = board_ahci_yes_fbs }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9235), | 
|  | .driver_data = board_ahci_no_debounce_delay }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */ | 
|  | .driver_data = board_ahci_yes_fbs }, | 
|  | { PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0645), /* highpoint rocketraid 644L */ | 
|  | .driver_data = board_ahci_yes_fbs }, | 
|  |  | 
|  | /* Promise */ | 
|  | { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci },	/* PDC42819 */ | 
|  | { PCI_VDEVICE(PROMISE, 0x3781), board_ahci },   /* FastTrak TX8660 ahci-mode */ | 
|  |  | 
|  | /* ASMedia */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci_43bit_dma },	/* ASM1060 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci_43bit_dma },	/* ASM1060 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci_43bit_dma },	/* ASM1061 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci_43bit_dma },	/* ASM1061/1062 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci_43bit_dma },	/* ASM1061R */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci_43bit_dma },	/* ASM1062R */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x0624), board_ahci_43bit_dma },	/* ASM1062+JMB575 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x1062), board_ahci },	/* ASM1062A */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x1064), board_ahci },	/* ASM1064 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x1164), board_ahci },   /* ASM1164 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x1165), board_ahci },   /* ASM1165 */ | 
|  | { PCI_VDEVICE(ASMEDIA, 0x1166), board_ahci },   /* ASM1166 */ | 
|  |  | 
|  | /* | 
|  | * Samsung SSDs found on some macbooks.  NCQ times out if MSI is | 
|  | * enabled.  https://bugzilla.kernel.org/show_bug.cgi?id=60731 | 
|  | */ | 
|  | { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_no_msi }, | 
|  | { PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_no_msi }, | 
|  |  | 
|  | /* Enmotus */ | 
|  | { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, | 
|  |  | 
|  | /* Loongson */ | 
|  | { PCI_VDEVICE(LOONGSON, 0x7a08), board_ahci }, | 
|  |  | 
|  | /* Generic, PCI class code for AHCI */ | 
|  | { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, | 
|  | PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci }, | 
|  |  | 
|  | { }	/* terminate list */ | 
|  | }; | 
|  |  | 
|  | static const struct dev_pm_ops ahci_pci_pm_ops = { | 
|  | SET_SYSTEM_SLEEP_PM_OPS(ahci_pci_device_suspend, ahci_pci_device_resume) | 
|  | SET_RUNTIME_PM_OPS(ahci_pci_device_runtime_suspend, | 
|  | ahci_pci_device_runtime_resume, NULL) | 
|  | }; | 
|  |  | 
|  | static struct pci_driver ahci_pci_driver = { | 
|  | .name			= DRV_NAME, | 
|  | .id_table		= ahci_pci_tbl, | 
|  | .probe			= ahci_init_one, | 
|  | .remove			= ahci_remove_one, | 
|  | .shutdown		= ahci_shutdown_one, | 
|  | .driver = { | 
|  | .pm		= &ahci_pci_pm_ops, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_PATA_MARVELL) | 
|  | static int marvell_enable; | 
|  | #else | 
|  | static int marvell_enable = 1; | 
|  | #endif | 
|  | module_param(marvell_enable, int, 0644); | 
|  | MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)"); | 
|  |  | 
|  | static int mobile_lpm_policy = -1; | 
|  | module_param(mobile_lpm_policy, int, 0644); | 
|  | MODULE_PARM_DESC(mobile_lpm_policy, | 
|  | "Default LPM policy. Despite its name, this parameter applies " | 
|  | "to all chipsets, including desktop and server chipsets"); | 
|  |  | 
|  | static char *ahci_mask_port_map; | 
|  | module_param_named(mask_port_map, ahci_mask_port_map, charp, 0444); | 
|  | MODULE_PARM_DESC(mask_port_map, | 
|  | "32-bits port map masks to ignore controllers ports. " | 
|  | "Valid values are: " | 
|  | "\"<mask>\" to apply the same mask to all AHCI controller " | 
|  | "devices, and \"<pci_dev>=<mask>,<pci_dev>=<mask>,...\" to " | 
|  | "specify different masks for the controllers specified, " | 
|  | "where <pci_dev> is the PCI ID of an AHCI controller in the " | 
|  | "form \"domain:bus:dev.func\""); | 
|  |  | 
|  | static char *ahci_mask_port_ext; | 
|  | module_param_named(mask_port_ext, ahci_mask_port_ext, charp, 0444); | 
|  | MODULE_PARM_DESC(mask_port_ext, | 
|  | "32-bits mask to ignore the external/hotplug capability of ports. " | 
|  | "Valid values are: " | 
|  | "\"<mask>\" to apply the same mask to all AHCI controller " | 
|  | "devices, and \"<pci_dev>=<mask>,<pci_dev>=<mask>,...\" to " | 
|  | "specify different masks for the controllers specified, " | 
|  | "where <pci_dev> is the PCI ID of an AHCI controller in the " | 
|  | "form \"domain:bus:dev.func\""); | 
|  |  | 
|  | static u32 ahci_port_mask(struct device *dev, char *mask_s) | 
|  | { | 
|  | unsigned int mask; | 
|  |  | 
|  | if (kstrtouint(mask_s, 0, &mask)) { | 
|  | dev_err(dev, "Invalid port map mask\n"); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | return mask; | 
|  | } | 
|  |  | 
|  | static u32 ahci_get_port_mask(struct device *dev, char *mask_p) | 
|  | { | 
|  | char *param, *end, *str, *mask_s; | 
|  | char *name; | 
|  | u32 mask = 0; | 
|  |  | 
|  | if (!mask_p || !strlen(mask_p)) | 
|  | return 0; | 
|  |  | 
|  | str = kstrdup(mask_p, GFP_KERNEL); | 
|  | if (!str) | 
|  | return 0; | 
|  |  | 
|  | /* Handle single mask case */ | 
|  | if (!strchr(str, '=')) { | 
|  | mask = ahci_port_mask(dev, str); | 
|  | goto free; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Mask list case: parse the parameter to get the mask only if | 
|  | * the device name matches. | 
|  | */ | 
|  | param = str; | 
|  | end = param + strlen(param); | 
|  | while (param && param < end && *param) { | 
|  | name = param; | 
|  | param = strchr(name, '='); | 
|  | if (!param) | 
|  | break; | 
|  |  | 
|  | *param = '\0'; | 
|  | param++; | 
|  | if (param >= end) | 
|  | break; | 
|  |  | 
|  | if (strcmp(dev_name(dev), name) != 0) { | 
|  | param = strchr(param, ','); | 
|  | if (param) | 
|  | param++; | 
|  | continue; | 
|  | } | 
|  |  | 
|  | mask_s = param; | 
|  | param = strchr(mask_s, ','); | 
|  | if (param) { | 
|  | *param = '\0'; | 
|  | param++; | 
|  | } | 
|  |  | 
|  | mask = ahci_port_mask(dev, mask_s); | 
|  | } | 
|  |  | 
|  | free: | 
|  | kfree(str); | 
|  |  | 
|  | return mask; | 
|  | } | 
|  |  | 
|  | static void ahci_pci_save_initial_config(struct pci_dev *pdev, | 
|  | struct ahci_host_priv *hpriv) | 
|  | { | 
|  | if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) { | 
|  | dev_info(&pdev->dev, "JMB361 has only one port\n"); | 
|  | hpriv->saved_port_map = 1; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Temporary Marvell 6145 hack: PATA port presence | 
|  | * is asserted through the standard AHCI port | 
|  | * presence register, as bit 4 (counting from 0) | 
|  | */ | 
|  | if (hpriv->flags & AHCI_HFLAG_MV_PATA) { | 
|  | if (pdev->device == 0x6121) | 
|  | hpriv->mask_port_map = 0x3; | 
|  | else | 
|  | hpriv->mask_port_map = 0xf; | 
|  | dev_info(&pdev->dev, | 
|  | "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n"); | 
|  | } | 
|  |  | 
|  | /* Handle port map masks passed as module parameter. */ | 
|  | hpriv->mask_port_map = | 
|  | ahci_get_port_mask(&pdev->dev, ahci_mask_port_map); | 
|  | hpriv->mask_port_ext = | 
|  | ahci_get_port_mask(&pdev->dev, ahci_mask_port_ext); | 
|  |  | 
|  | ahci_save_initial_config(&pdev->dev, hpriv); | 
|  | } | 
|  |  | 
|  | static int ahci_pci_reset_controller(struct ata_host *host) | 
|  | { | 
|  | struct pci_dev *pdev = to_pci_dev(host->dev); | 
|  | struct ahci_host_priv *hpriv = host->private_data; | 
|  | int rc; | 
|  |  | 
|  | rc = ahci_reset_controller(host); | 
|  | if (rc) | 
|  | return rc; | 
|  |  | 
|  | /* | 
|  | * If platform firmware failed to enable ports, try to enable | 
|  | * them here. | 
|  | */ | 
|  | ahci_intel_pcs_quirk(pdev, hpriv); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void ahci_pci_init_controller(struct ata_host *host) | 
|  | { | 
|  | struct ahci_host_priv *hpriv = host->private_data; | 
|  | struct pci_dev *pdev = to_pci_dev(host->dev); | 
|  | void __iomem *port_mmio; | 
|  | u32 tmp; | 
|  | int mv; | 
|  |  | 
|  | if (hpriv->flags & AHCI_HFLAG_MV_PATA) { | 
|  | if (pdev->device == 0x6121) | 
|  | mv = 2; | 
|  | else | 
|  | mv = 4; | 
|  | port_mmio = __ahci_port_base(hpriv, mv); | 
|  |  | 
|  | writel(0, port_mmio + PORT_IRQ_MASK); | 
|  |  | 
|  | /* clear port IRQ */ | 
|  | tmp = readl(port_mmio + PORT_IRQ_STAT); | 
|  | dev_dbg(&pdev->dev, "PORT_IRQ_STAT 0x%x\n", tmp); | 
|  | if (tmp) | 
|  | writel(tmp, port_mmio + PORT_IRQ_STAT); | 
|  | } | 
|  |  | 
|  | ahci_init_controller(host); | 
|  | } | 
|  |  | 
|  | static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline) | 
|  | { | 
|  | struct ata_port *ap = link->ap; | 
|  | struct ahci_host_priv *hpriv = ap->host->private_data; | 
|  | bool online; | 
|  | int rc; | 
|  |  | 
|  | hpriv->stop_engine(ap); | 
|  |  | 
|  | rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context), | 
|  | deadline, &online, NULL); | 
|  |  | 
|  | hpriv->start_engine(ap); | 
|  |  | 
|  | /* vt8251 doesn't clear BSY on signature FIS reception, | 
|  | * request follow-up softreset. | 
|  | */ | 
|  | return online ? -EAGAIN : rc; | 
|  | } | 
|  |  | 
|  | static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline) | 
|  | { | 
|  | struct ata_port *ap = link->ap; | 
|  | struct ahci_port_priv *pp = ap->private_data; | 
|  | struct ahci_host_priv *hpriv = ap->host->private_data; | 
|  | u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG; | 
|  | struct ata_taskfile tf; | 
|  | bool online; | 
|  | int rc; | 
|  |  | 
|  | hpriv->stop_engine(ap); | 
|  |  | 
|  | /* clear D2H reception area to properly wait for D2H FIS */ | 
|  | ata_tf_init(link->device, &tf); | 
|  | tf.status = ATA_BUSY; | 
|  | ata_tf_to_fis(&tf, 0, 0, d2h_fis); | 
|  |  | 
|  | rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context), | 
|  | deadline, &online, NULL); | 
|  |  | 
|  | hpriv->start_engine(ap); | 
|  |  | 
|  | /* The pseudo configuration device on SIMG4726 attached to | 
|  | * ASUS P5W-DH Deluxe doesn't send signature FIS after | 
|  | * hardreset if no device is attached to the first downstream | 
|  | * port && the pseudo device locks up on SRST w/ PMP==0.  To | 
|  | * work around this, wait for !BSY only briefly.  If BSY isn't | 
|  | * cleared, perform CLO and proceed to IDENTIFY (achieved by | 
|  | * ATA_LFLAG_NO_SRST and ATA_LFLAG_ASSUME_ATA). | 
|  | * | 
|  | * Wait for two seconds.  Devices attached to downstream port | 
|  | * which can't process the following IDENTIFY after this will | 
|  | * have to be reset again.  For most cases, this should | 
|  | * suffice while making probing snappish enough. | 
|  | */ | 
|  | if (online) { | 
|  | rc = ata_wait_after_reset(link, jiffies + 2 * HZ, | 
|  | ahci_check_ready); | 
|  | if (rc) | 
|  | ahci_kick_engine(ap); | 
|  | } | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * ahci_avn_hardreset - attempt more aggressive recovery of Avoton ports. | 
|  | * | 
|  | * It has been observed with some SSDs that the timing of events in the | 
|  | * link synchronization phase can leave the port in a state that can not | 
|  | * be recovered by a SATA-hard-reset alone.  The failing signature is | 
|  | * SStatus.DET stuck at 1 ("Device presence detected but Phy | 
|  | * communication not established").  It was found that unloading and | 
|  | * reloading the driver when this problem occurs allows the drive | 
|  | * connection to be recovered (DET advanced to 0x3).  The critical | 
|  | * component of reloading the driver is that the port state machines are | 
|  | * reset by bouncing "port enable" in the AHCI PCS configuration | 
|  | * register.  So, reproduce that effect by bouncing a port whenever we | 
|  | * see DET==1 after a reset. | 
|  | */ | 
|  | static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class, | 
|  | unsigned long deadline) | 
|  | { | 
|  | const unsigned int *timing = sata_ehc_deb_timing(&link->eh_context); | 
|  | struct ata_port *ap = link->ap; | 
|  | struct ahci_port_priv *pp = ap->private_data; | 
|  | struct ahci_host_priv *hpriv = ap->host->private_data; | 
|  | u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG; | 
|  | unsigned long tmo = deadline - jiffies; | 
|  | struct ata_taskfile tf; | 
|  | bool online; | 
|  | int rc, i; | 
|  |  | 
|  | hpriv->stop_engine(ap); | 
|  |  | 
|  | for (i = 0; i < 2; i++) { | 
|  | u16 val; | 
|  | u32 sstatus; | 
|  | int port = ap->port_no; | 
|  | struct ata_host *host = ap->host; | 
|  | struct pci_dev *pdev = to_pci_dev(host->dev); | 
|  |  | 
|  | /* clear D2H reception area to properly wait for D2H FIS */ | 
|  | ata_tf_init(link->device, &tf); | 
|  | tf.status = ATA_BUSY; | 
|  | ata_tf_to_fis(&tf, 0, 0, d2h_fis); | 
|  |  | 
|  | rc = sata_link_hardreset(link, timing, deadline, &online, | 
|  | ahci_check_ready); | 
|  |  | 
|  | if (sata_scr_read(link, SCR_STATUS, &sstatus) != 0 || | 
|  | (sstatus & 0xf) != 1) | 
|  | break; | 
|  |  | 
|  | ata_link_info(link,  "avn bounce port%d\n", port); | 
|  |  | 
|  | pci_read_config_word(pdev, 0x92, &val); | 
|  | val &= ~(1 << port); | 
|  | pci_write_config_word(pdev, 0x92, val); | 
|  | ata_msleep(ap, 1000); | 
|  | val |= 1 << port; | 
|  | pci_write_config_word(pdev, 0x92, val); | 
|  | deadline += tmo; | 
|  | } | 
|  |  | 
|  | hpriv->start_engine(ap); | 
|  |  | 
|  | if (online) | 
|  | *class = ahci_dev_classify(ap); | 
|  |  | 
|  | return rc; | 
|  | } | 
|  |  | 
|  |  | 
|  | #ifdef CONFIG_PM | 
|  | static void ahci_pci_disable_interrupts(struct ata_host *host) | 
|  | { | 
|  | struct ahci_host_priv *hpriv = host->private_data; | 
|  | void __iomem *mmio = hpriv->mmio; | 
|  | u32 ctl; | 
|  |  | 
|  | /* AHCI spec rev1.1 section 8.3.3: | 
|  | * Software must disable interrupts prior to requesting a | 
|  | * transition of the HBA to D3 state. | 
|  | */ | 
|  | ctl = readl(mmio + HOST_CTL); | 
|  | ctl &= ~HOST_IRQ_EN; | 
|  | writel(ctl, mmio + HOST_CTL); | 
|  | readl(mmio + HOST_CTL); /* flush */ | 
|  | } | 
|  |  | 
|  | static int ahci_pci_device_runtime_suspend(struct device *dev) | 
|  | { | 
|  | struct pci_dev *pdev = to_pci_dev(dev); | 
|  | struct ata_host *host = pci_get_drvdata(pdev); | 
|  |  | 
|  | ahci_pci_disable_interrupts(host); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int ahci_pci_device_runtime_resume(struct device *dev) | 
|  | { | 
|  | struct pci_dev *pdev = to_pci_dev(dev); | 
|  | struct ata_host *host = pci_get_drvdata(pdev); | 
|  | int rc; | 
|  |  | 
|  | rc = ahci_pci_reset_controller(host); | 
|  | if (rc) | 
|  | return rc; | 
|  | ahci_pci_init_controller(host); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_PM_SLEEP | 
|  | static int ahci_pci_device_suspend(struct device *dev) | 
|  | { | 
|  | struct pci_dev *pdev = to_pci_dev(dev); | 
|  | struct ata_host *host = pci_get_drvdata(pdev); | 
|  | struct ahci_host_priv *hpriv = host->private_data; | 
|  |  | 
|  | if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) { | 
|  | dev_err(&pdev->dev, | 
|  | "BIOS update required for suspend/resume\n"); | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | ahci_pci_disable_interrupts(host); | 
|  | ata_host_suspend(host, PMSG_SUSPEND); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int ahci_pci_device_resume(struct device *dev) | 
|  | { | 
|  | struct pci_dev *pdev = to_pci_dev(dev); | 
|  | struct ata_host *host = pci_get_drvdata(pdev); | 
|  | int rc; | 
|  |  | 
|  | /* Apple BIOS helpfully mangles the registers on resume */ | 
|  | if (is_mcp89_apple(pdev)) | 
|  | ahci_mcp89_apple_enable(pdev); | 
|  |  | 
|  | if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { | 
|  | rc = ahci_pci_reset_controller(host); | 
|  | if (rc) | 
|  | return rc; | 
|  |  | 
|  | ahci_pci_init_controller(host); | 
|  | } | 
|  |  | 
|  | ata_host_resume(host); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #endif /* CONFIG_PM */ | 
|  |  | 
|  | static int ahci_configure_dma_masks(struct pci_dev *pdev, | 
|  | struct ahci_host_priv *hpriv) | 
|  | { | 
|  | int dma_bits; | 
|  | int rc; | 
|  |  | 
|  | if (hpriv->cap & HOST_CAP_64) { | 
|  | dma_bits = 64; | 
|  | if (hpriv->flags & AHCI_HFLAG_43BIT_ONLY) | 
|  | dma_bits = 43; | 
|  | } else { | 
|  | dma_bits = 32; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * If the device fixup already set the dma_mask to some non-standard | 
|  | * value, don't extend it here. This happens on STA2X11, for example. | 
|  | * | 
|  | * XXX: manipulating the DMA mask from platform code is completely | 
|  | * bogus, platform code should use dev->bus_dma_limit instead.. | 
|  | */ | 
|  | if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32)) | 
|  | return 0; | 
|  |  | 
|  | rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(dma_bits)); | 
|  | if (rc) | 
|  | dev_err(&pdev->dev, "DMA enable failed\n"); | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | static void ahci_pci_print_info(struct ata_host *host) | 
|  | { | 
|  | struct pci_dev *pdev = to_pci_dev(host->dev); | 
|  | u16 cc; | 
|  | const char *scc_s; | 
|  |  | 
|  | pci_read_config_word(pdev, 0x0a, &cc); | 
|  | if (cc == PCI_CLASS_STORAGE_IDE) | 
|  | scc_s = "IDE"; | 
|  | else if (cc == PCI_CLASS_STORAGE_SATA) | 
|  | scc_s = "SATA"; | 
|  | else if (cc == PCI_CLASS_STORAGE_RAID) | 
|  | scc_s = "RAID"; | 
|  | else | 
|  | scc_s = "unknown"; | 
|  |  | 
|  | ahci_print_info(host, scc_s); | 
|  | } | 
|  |  | 
|  | /* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is | 
|  | * hardwired to on-board SIMG 4726.  The chipset is ICH8 and doesn't | 
|  | * support PMP and the 4726 either directly exports the device | 
|  | * attached to the first downstream port or acts as a hardware storage | 
|  | * controller and emulate a single ATA device (can be RAID 0/1 or some | 
|  | * other configuration). | 
|  | * | 
|  | * When there's no device attached to the first downstream port of the | 
|  | * 4726, "Config Disk" appears, which is a pseudo ATA device to | 
|  | * configure the 4726.  However, ATA emulation of the device is very | 
|  | * lame.  It doesn't send signature D2H Reg FIS after the initial | 
|  | * hardreset, pukes on SRST w/ PMP==0 and has bunch of other issues. | 
|  | * | 
|  | * The following function works around the problem by always using | 
|  | * hardreset on the port and not depending on receiving signature FIS | 
|  | * afterward.  If signature FIS isn't received soon, ATA class is | 
|  | * assumed without follow-up softreset. | 
|  | */ | 
|  | static void ahci_p5wdh_workaround(struct ata_host *host) | 
|  | { | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | { | 
|  | .ident = "P5W DH Deluxe", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, | 
|  | "ASUSTEK COMPUTER INC"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "P5W DH Deluxe"), | 
|  | }, | 
|  | }, | 
|  | { } | 
|  | }; | 
|  | struct pci_dev *pdev = to_pci_dev(host->dev); | 
|  |  | 
|  | if (pdev->bus->number == 0 && pdev->devfn == PCI_DEVFN(0x1f, 2) && | 
|  | dmi_check_system(sysids)) { | 
|  | struct ata_port *ap = host->ports[1]; | 
|  |  | 
|  | dev_info(&pdev->dev, | 
|  | "enabling ASUS P5W DH Deluxe on-board SIMG4726 workaround\n"); | 
|  |  | 
|  | ap->ops = &ahci_p5wdh_ops; | 
|  | ap->link.flags |= ATA_LFLAG_NO_SRST | ATA_LFLAG_ASSUME_ATA; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Macbook7,1 firmware forcibly disables MCP89 AHCI and changes PCI ID when | 
|  | * booting in BIOS compatibility mode.  We restore the registers but not ID. | 
|  | */ | 
|  | static void ahci_mcp89_apple_enable(struct pci_dev *pdev) | 
|  | { | 
|  | u32 val; | 
|  |  | 
|  | printk(KERN_INFO "ahci: enabling MCP89 AHCI mode\n"); | 
|  |  | 
|  | pci_read_config_dword(pdev, 0xf8, &val); | 
|  | val |= 1 << 0x1b; | 
|  | /* the following changes the device ID, but appears not to affect function */ | 
|  | /* val = (val & ~0xf0000000) | 0x80000000; */ | 
|  | pci_write_config_dword(pdev, 0xf8, val); | 
|  |  | 
|  | pci_read_config_dword(pdev, 0x54c, &val); | 
|  | val |= 1 << 0xc; | 
|  | pci_write_config_dword(pdev, 0x54c, val); | 
|  |  | 
|  | pci_read_config_dword(pdev, 0x4a4, &val); | 
|  | val &= 0xff; | 
|  | val |= 0x01060100; | 
|  | pci_write_config_dword(pdev, 0x4a4, val); | 
|  |  | 
|  | pci_read_config_dword(pdev, 0x54c, &val); | 
|  | val &= ~(1 << 0xc); | 
|  | pci_write_config_dword(pdev, 0x54c, val); | 
|  |  | 
|  | pci_read_config_dword(pdev, 0xf8, &val); | 
|  | val &= ~(1 << 0x1b); | 
|  | pci_write_config_dword(pdev, 0xf8, val); | 
|  | } | 
|  |  | 
|  | static bool is_mcp89_apple(struct pci_dev *pdev) | 
|  | { | 
|  | return pdev->vendor == PCI_VENDOR_ID_NVIDIA && | 
|  | pdev->device == PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA && | 
|  | pdev->subsystem_vendor == PCI_VENDOR_ID_APPLE && | 
|  | pdev->subsystem_device == 0xcb89; | 
|  | } | 
|  |  | 
|  | /* only some SB600 ahci controllers can do 64bit DMA */ | 
|  | static bool ahci_sb600_enable_64bit(struct pci_dev *pdev) | 
|  | { | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | /* | 
|  | * The oldest version known to be broken is 0901 and | 
|  | * working is 1501 which was released on 2007-10-26. | 
|  | * Enable 64bit DMA on 1501 and anything newer. | 
|  | * | 
|  | * Please read bko#9412 for more info. | 
|  | */ | 
|  | { | 
|  | .ident = "ASUS M2A-VM", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "ASUSTeK Computer INC."), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "M2A-VM"), | 
|  | }, | 
|  | .driver_data = "20071026",	/* yyyymmdd */ | 
|  | }, | 
|  | /* | 
|  | * All BIOS versions for the MSI K9A2 Platinum (MS-7376) | 
|  | * support 64bit DMA. | 
|  | * | 
|  | * BIOS versions earlier than 1.5 had the Manufacturer DMI | 
|  | * fields as "MICRO-STAR INTERANTIONAL CO.,LTD". | 
|  | * This spelling mistake was fixed in BIOS version 1.5, so | 
|  | * 1.5 and later have the Manufacturer as | 
|  | * "MICRO-STAR INTERNATIONAL CO.,LTD". | 
|  | * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER". | 
|  | * | 
|  | * BIOS versions earlier than 1.9 had a Board Product Name | 
|  | * DMI field of "MS-7376". This was changed to be | 
|  | * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still | 
|  | * match on DMI_BOARD_NAME of "MS-7376". | 
|  | */ | 
|  | { | 
|  | .ident = "MSI K9A2 Platinum", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "MICRO-STAR INTER"), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "MS-7376"), | 
|  | }, | 
|  | }, | 
|  | /* | 
|  | * All BIOS versions for the MSI K9AGM2 (MS-7327) support | 
|  | * 64bit DMA. | 
|  | * | 
|  | * This board also had the typo mentioned above in the | 
|  | * Manufacturer DMI field (fixed in BIOS version 1.5), so | 
|  | * match on DMI_BOARD_VENDOR of "MICRO-STAR INTER" again. | 
|  | */ | 
|  | { | 
|  | .ident = "MSI K9AGM2", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "MICRO-STAR INTER"), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "MS-7327"), | 
|  | }, | 
|  | }, | 
|  | /* | 
|  | * All BIOS versions for the Asus M3A support 64bit DMA. | 
|  | * (all release versions from 0301 to 1206 were tested) | 
|  | */ | 
|  | { | 
|  | .ident = "ASUS M3A", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "ASUSTeK Computer INC."), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "M3A"), | 
|  | }, | 
|  | }, | 
|  | { } | 
|  | }; | 
|  | const struct dmi_system_id *match; | 
|  | int year, month, date; | 
|  | char buf[9]; | 
|  |  | 
|  | match = dmi_first_match(sysids); | 
|  | if (pdev->bus->number != 0 || pdev->devfn != PCI_DEVFN(0x12, 0) || | 
|  | !match) | 
|  | return false; | 
|  |  | 
|  | if (!match->driver_data) | 
|  | goto enable_64bit; | 
|  |  | 
|  | dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); | 
|  | snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); | 
|  |  | 
|  | if (strcmp(buf, match->driver_data) >= 0) | 
|  | goto enable_64bit; | 
|  | else { | 
|  | dev_warn(&pdev->dev, | 
|  | "%s: BIOS too old, forcing 32bit DMA, update BIOS\n", | 
|  | match->ident); | 
|  | return false; | 
|  | } | 
|  |  | 
|  | enable_64bit: | 
|  | dev_warn(&pdev->dev, "%s: enabling 64bit DMA\n", match->ident); | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static bool ahci_broken_system_poweroff(struct pci_dev *pdev) | 
|  | { | 
|  | static const struct dmi_system_id broken_systems[] = { | 
|  | { | 
|  | .ident = "HP Compaq nx6310", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"), | 
|  | }, | 
|  | /* PCI slot number of the controller */ | 
|  | .driver_data = (void *)0x1FUL, | 
|  | }, | 
|  | { | 
|  | .ident = "HP Compaq 6720s", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"), | 
|  | }, | 
|  | /* PCI slot number of the controller */ | 
|  | .driver_data = (void *)0x1FUL, | 
|  | }, | 
|  |  | 
|  | { }	/* terminate list */ | 
|  | }; | 
|  | const struct dmi_system_id *dmi = dmi_first_match(broken_systems); | 
|  |  | 
|  | if (dmi) { | 
|  | unsigned long slot = (unsigned long)dmi->driver_data; | 
|  | /* apply the quirk only to on-board controllers */ | 
|  | return slot == PCI_SLOT(pdev->devfn); | 
|  | } | 
|  |  | 
|  | return false; | 
|  | } | 
|  |  | 
|  | static bool ahci_broken_suspend(struct pci_dev *pdev) | 
|  | { | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | /* | 
|  | * On HP dv[4-6] and HDX18 with earlier BIOSen, link | 
|  | * to the harddisk doesn't become online after | 
|  | * resuming from STR.  Warn and fail suspend. | 
|  | * | 
|  | * http://bugzilla.kernel.org/show_bug.cgi?id=12276 | 
|  | * | 
|  | * Use dates instead of versions to match as HP is | 
|  | * apparently recycling both product and version | 
|  | * strings. | 
|  | * | 
|  | * http://bugzilla.kernel.org/show_bug.cgi?id=15462 | 
|  | */ | 
|  | { | 
|  | .ident = "dv4", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, | 
|  | "HP Pavilion dv4 Notebook PC"), | 
|  | }, | 
|  | .driver_data = "20090105",	/* F.30 */ | 
|  | }, | 
|  | { | 
|  | .ident = "dv5", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, | 
|  | "HP Pavilion dv5 Notebook PC"), | 
|  | }, | 
|  | .driver_data = "20090506",	/* F.16 */ | 
|  | }, | 
|  | { | 
|  | .ident = "dv6", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, | 
|  | "HP Pavilion dv6 Notebook PC"), | 
|  | }, | 
|  | .driver_data = "20090423",	/* F.21 */ | 
|  | }, | 
|  | { | 
|  | .ident = "HDX18", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, | 
|  | "HP HDX18 Notebook PC"), | 
|  | }, | 
|  | .driver_data = "20090430",	/* F.23 */ | 
|  | }, | 
|  | /* | 
|  | * Acer eMachines G725 has the same problem.  BIOS | 
|  | * V1.03 is known to be broken.  V3.04 is known to | 
|  | * work.  Between, there are V1.06, V2.06 and V3.03 | 
|  | * that we don't have much idea about.  For now, | 
|  | * assume that anything older than V3.04 is broken. | 
|  | * | 
|  | * http://bugzilla.kernel.org/show_bug.cgi?id=15104 | 
|  | */ | 
|  | { | 
|  | .ident = "G725", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "eMachines"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"), | 
|  | }, | 
|  | .driver_data = "20091216",	/* V3.04 */ | 
|  | }, | 
|  | { }	/* terminate list */ | 
|  | }; | 
|  | const struct dmi_system_id *dmi = dmi_first_match(sysids); | 
|  | int year, month, date; | 
|  | char buf[9]; | 
|  |  | 
|  | if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2)) | 
|  | return false; | 
|  |  | 
|  | dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); | 
|  | snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); | 
|  |  | 
|  | return strcmp(buf, dmi->driver_data) < 0; | 
|  | } | 
|  |  | 
|  | static bool ahci_broken_lpm(struct pci_dev *pdev) | 
|  | { | 
|  | /* | 
|  | * Platforms with LPM problems. | 
|  | * If driver_data is NULL, there is no existing BIOS version with | 
|  | * functioning LPM. | 
|  | * If driver_data is non-NULL, then driver_data contains the DMI BIOS | 
|  | * build date of the first BIOS version with functioning LPM (i.e. older | 
|  | * BIOS versions have broken LPM). | 
|  | */ | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | { | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | 
|  | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X250"), | 
|  | }, | 
|  | .driver_data = "20180406", /* 1.31 */ | 
|  | }, | 
|  | { | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | 
|  | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L450"), | 
|  | }, | 
|  | .driver_data = "20180420", /* 1.28 */ | 
|  | }, | 
|  | { | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | 
|  | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T450s"), | 
|  | }, | 
|  | .driver_data = "20180315", /* 1.33 */ | 
|  | }, | 
|  | { | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | 
|  | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W541"), | 
|  | }, | 
|  | .driver_data = "20180409", /* 2.35 */ | 
|  | }, | 
|  | { | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "ASUSPRO D840MB_M840SA"), | 
|  | }, | 
|  | /* 320 is broken, there is no known good version. */ | 
|  | }, | 
|  | { | 
|  | /* | 
|  | * AMD 500 Series Chipset SATA Controller [1022:43eb] | 
|  | * on this motherboard timeouts on ports 5 and 6 when | 
|  | * LPM is enabled, at least with WDC WD20EFAX-68FB5N0 | 
|  | * hard drives. LPM with the same drive works fine on | 
|  | * all other ports on the same controller. | 
|  | */ | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "ASUSTeK COMPUTER INC."), | 
|  | DMI_MATCH(DMI_BOARD_NAME, | 
|  | "ROG STRIX B550-F GAMING (WI-FI)"), | 
|  | }, | 
|  | /* 3621 is broken, there is no known good version. */ | 
|  | }, | 
|  | { }	/* terminate list */ | 
|  | }; | 
|  | const struct dmi_system_id *dmi = dmi_first_match(sysids); | 
|  | int year, month, date; | 
|  | char buf[9]; | 
|  |  | 
|  | if (!dmi) | 
|  | return false; | 
|  |  | 
|  | if (!dmi->driver_data) | 
|  | return true; | 
|  |  | 
|  | dmi_get_date(DMI_BIOS_DATE, &year, &month, &date); | 
|  | snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date); | 
|  |  | 
|  | return strcmp(buf, dmi->driver_data) < 0; | 
|  | } | 
|  |  | 
|  | static bool ahci_broken_online(struct pci_dev *pdev) | 
|  | { | 
|  | #define ENCODE_BUSDEVFN(bus, slot, func)			\ | 
|  | (void *)(unsigned long)(((bus) << 8) | PCI_DEVFN((slot), (func))) | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | /* | 
|  | * There are several gigabyte boards which use | 
|  | * SIMG5723s configured as hardware RAID.  Certain | 
|  | * 5723 firmware revisions shipped there keep the link | 
|  | * online but fail to answer properly to SRST or | 
|  | * IDENTIFY when no device is attached downstream | 
|  | * causing libata to retry quite a few times leading | 
|  | * to excessive detection delay. | 
|  | * | 
|  | * As these firmwares respond to the second reset try | 
|  | * with invalid device signature, considering unknown | 
|  | * sig as offline works around the problem acceptably. | 
|  | */ | 
|  | { | 
|  | .ident = "EP45-DQ6", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "Gigabyte Technology Co., Ltd."), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "EP45-DQ6"), | 
|  | }, | 
|  | .driver_data = ENCODE_BUSDEVFN(0x0a, 0x00, 0), | 
|  | }, | 
|  | { | 
|  | .ident = "EP45-DS5", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_BOARD_VENDOR, | 
|  | "Gigabyte Technology Co., Ltd."), | 
|  | DMI_MATCH(DMI_BOARD_NAME, "EP45-DS5"), | 
|  | }, | 
|  | .driver_data = ENCODE_BUSDEVFN(0x03, 0x00, 0), | 
|  | }, | 
|  | { }	/* terminate list */ | 
|  | }; | 
|  | #undef ENCODE_BUSDEVFN | 
|  | const struct dmi_system_id *dmi = dmi_first_match(sysids); | 
|  | unsigned int val; | 
|  |  | 
|  | if (!dmi) | 
|  | return false; | 
|  |  | 
|  | val = (unsigned long)dmi->driver_data; | 
|  |  | 
|  | return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff); | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_ATA_ACPI | 
|  | static void ahci_gtf_filter_workaround(struct ata_host *host) | 
|  | { | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | /* | 
|  | * Aspire 3810T issues a bunch of SATA enable commands | 
|  | * via _GTF including an invalid one and one which is | 
|  | * rejected by the device.  Among the successful ones | 
|  | * is FPDMA non-zero offset enable which when enabled | 
|  | * only on the drive side leads to NCQ command | 
|  | * failures.  Filter it out. | 
|  | */ | 
|  | { | 
|  | .ident = "Aspire 3810T", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"), | 
|  | }, | 
|  | .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET, | 
|  | }, | 
|  | { } | 
|  | }; | 
|  | const struct dmi_system_id *dmi = dmi_first_match(sysids); | 
|  | unsigned int filter; | 
|  | int i; | 
|  |  | 
|  | if (!dmi) | 
|  | return; | 
|  |  | 
|  | filter = (unsigned long)dmi->driver_data; | 
|  | dev_info(host->dev, "applying extra ACPI _GTF filter 0x%x for %s\n", | 
|  | filter, dmi->ident); | 
|  |  | 
|  | for (i = 0; i < host->n_ports; i++) { | 
|  | struct ata_port *ap = host->ports[i]; | 
|  | struct ata_link *link; | 
|  | struct ata_device *dev; | 
|  |  | 
|  | ata_for_each_link(link, ap, EDGE) | 
|  | ata_for_each_dev(dev, link, ALL) | 
|  | dev->gtf_filter |= filter; | 
|  | } | 
|  | } | 
|  | #else | 
|  | static inline void ahci_gtf_filter_workaround(struct ata_host *host) | 
|  | {} | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected | 
|  | * as DUMMY, or detected but eventually get a "link down" and never get up | 
|  | * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the | 
|  | * port_map may hold a value of 0x00. | 
|  | * | 
|  | * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports | 
|  | * and can significantly reduce the occurrence of the problem. | 
|  | * | 
|  | * https://bugzilla.kernel.org/show_bug.cgi?id=189471 | 
|  | */ | 
|  | static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv, | 
|  | struct pci_dev *pdev) | 
|  | { | 
|  | static const struct dmi_system_id sysids[] = { | 
|  | { | 
|  | .ident = "Acer Switch Alpha 12", | 
|  | .matches = { | 
|  | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | 
|  | DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271") | 
|  | }, | 
|  | }, | 
|  | { } | 
|  | }; | 
|  |  | 
|  | if (dmi_check_system(sysids)) { | 
|  | dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n"); | 
|  | if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) { | 
|  | hpriv->port_map = 0x7; | 
|  | hpriv->cap = 0xC734FF02; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_ARM64 | 
|  | /* | 
|  | * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently. | 
|  | * Workaround is to make sure all pending IRQs are served before leaving | 
|  | * handler. | 
|  | */ | 
|  | static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance) | 
|  | { | 
|  | struct ata_host *host = dev_instance; | 
|  | struct ahci_host_priv *hpriv; | 
|  | unsigned int rc = 0; | 
|  | void __iomem *mmio; | 
|  | u32 irq_stat, irq_masked; | 
|  | unsigned int handled = 1; | 
|  |  | 
|  | hpriv = host->private_data; | 
|  | mmio = hpriv->mmio; | 
|  | irq_stat = readl(mmio + HOST_IRQ_STAT); | 
|  | if (!irq_stat) | 
|  | return IRQ_NONE; | 
|  |  | 
|  | do { | 
|  | irq_masked = irq_stat & hpriv->port_map; | 
|  | spin_lock(&host->lock); | 
|  | rc = ahci_handle_port_intr(host, irq_masked); | 
|  | if (!rc) | 
|  | handled = 0; | 
|  | writel(irq_stat, mmio + HOST_IRQ_STAT); | 
|  | irq_stat = readl(mmio + HOST_IRQ_STAT); | 
|  | spin_unlock(&host->lock); | 
|  | } while (irq_stat); | 
|  |  | 
|  | return IRQ_RETVAL(handled); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | static void ahci_remap_check(struct pci_dev *pdev, int bar, | 
|  | struct ahci_host_priv *hpriv) | 
|  | { | 
|  | int i; | 
|  | u32 cap; | 
|  |  | 
|  | /* | 
|  | * Check if this device might have remapped nvme devices. | 
|  | */ | 
|  | if (pdev->vendor != PCI_VENDOR_ID_INTEL || | 
|  | pci_resource_len(pdev, bar) < SZ_512K || | 
|  | bar != AHCI_PCI_BAR_STANDARD || | 
|  | !(readl(hpriv->mmio + AHCI_VSCAP) & 1)) | 
|  | return; | 
|  |  | 
|  | cap = readq(hpriv->mmio + AHCI_REMAP_CAP); | 
|  | for (i = 0; i < AHCI_MAX_REMAP; i++) { | 
|  | if ((cap & (1 << i)) == 0) | 
|  | continue; | 
|  | if (readl(hpriv->mmio + ahci_remap_dcc(i)) | 
|  | != PCI_CLASS_STORAGE_EXPRESS) | 
|  | continue; | 
|  |  | 
|  | /* We've found a remapped device */ | 
|  | hpriv->remapped_nvme++; | 
|  | } | 
|  |  | 
|  | if (!hpriv->remapped_nvme) | 
|  | return; | 
|  |  | 
|  | dev_warn(&pdev->dev, "Found %u remapped NVMe devices.\n", | 
|  | hpriv->remapped_nvme); | 
|  | dev_warn(&pdev->dev, | 
|  | "Switch your BIOS from RAID to AHCI mode to use them.\n"); | 
|  |  | 
|  | /* | 
|  | * Don't rely on the msi-x capability in the remap case, | 
|  | * share the legacy interrupt across ahci and remapped devices. | 
|  | */ | 
|  | hpriv->flags |= AHCI_HFLAG_NO_MSI; | 
|  | } | 
|  |  | 
|  | static int ahci_get_irq_vector(struct ata_host *host, int port) | 
|  | { | 
|  | return pci_irq_vector(to_pci_dev(host->dev), port); | 
|  | } | 
|  |  | 
|  | static void ahci_init_irq(struct pci_dev *pdev, unsigned int n_ports, | 
|  | struct ahci_host_priv *hpriv) | 
|  | { | 
|  | int nvec; | 
|  |  | 
|  | if (hpriv->flags & AHCI_HFLAG_NO_MSI) { | 
|  | pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_INTX); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * If number of MSIs is less than number of ports then Sharing Last | 
|  | * Message mode could be enforced. In this case assume that advantage | 
|  | * of multiple MSIs is negated and use single MSI mode instead. | 
|  | */ | 
|  | if (n_ports > 1) { | 
|  | nvec = pci_alloc_irq_vectors(pdev, n_ports, INT_MAX, | 
|  | PCI_IRQ_MSIX | PCI_IRQ_MSI); | 
|  | if (nvec > 0) { | 
|  | if (!(readl(hpriv->mmio + HOST_CTL) & HOST_MRSM)) { | 
|  | hpriv->get_irq_vector = ahci_get_irq_vector; | 
|  | hpriv->flags |= AHCI_HFLAG_MULTI_MSI; | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Fallback to single MSI mode if the controller | 
|  | * enforced MRSM mode. | 
|  | */ | 
|  | printk(KERN_INFO | 
|  | "ahci: MRSM is on, fallback to single MSI\n"); | 
|  | pci_free_irq_vectors(pdev); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* | 
|  | * If the host is not capable of supporting per-port vectors, fall | 
|  | * back to single MSI before finally attempting single MSI-X or | 
|  | * a legacy INTx. | 
|  | */ | 
|  | nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI); | 
|  | if (nvec == 1) | 
|  | return; | 
|  | pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX | PCI_IRQ_INTX); | 
|  | } | 
|  |  | 
|  | static void ahci_mark_external_port(struct ata_port *ap) | 
|  | { | 
|  | struct ahci_host_priv *hpriv = ap->host->private_data; | 
|  | void __iomem *port_mmio = ahci_port_base(ap); | 
|  | u32 tmp; | 
|  |  | 
|  | /* | 
|  | * Mark external ports (hotplug-capable, eSATA), unless we were asked to | 
|  | * ignore this feature. | 
|  | */ | 
|  | tmp = readl(port_mmio + PORT_CMD); | 
|  | if (((tmp & PORT_CMD_ESP) && (hpriv->cap & HOST_CAP_SXS)) || | 
|  | (tmp & PORT_CMD_HPCP)) { | 
|  | if (hpriv->mask_port_ext & (1U << ap->port_no)) { | 
|  | ata_port_info(ap, | 
|  | "Ignoring external/hotplug capability\n"); | 
|  | return; | 
|  | } | 
|  | ap->pflags |= ATA_PFLAG_EXTERNAL; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void ahci_update_initial_lpm_policy(struct ata_port *ap) | 
|  | { | 
|  | struct ahci_host_priv *hpriv = ap->host->private_data; | 
|  | int policy = CONFIG_SATA_MOBILE_LPM_POLICY; | 
|  |  | 
|  | /* | 
|  | * AHCI contains a known incompatibility between LPM and hot-plug | 
|  | * removal events, see 7.3.1 Hot Plug Removal Detection and Power | 
|  | * Management Interaction in AHCI 1.3.1. Therefore, do not enable | 
|  | * LPM if the port advertises itself as an external port. | 
|  | */ | 
|  | if (ap->pflags & ATA_PFLAG_EXTERNAL) { | 
|  | ap->flags |= ATA_FLAG_NO_LPM; | 
|  | ap->target_lpm_policy = ATA_LPM_MAX_POWER; | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* If no Partial or no Slumber, we cannot support DIPM. */ | 
|  | if ((ap->host->flags & ATA_HOST_NO_PART) || | 
|  | (ap->host->flags & ATA_HOST_NO_SSC)) { | 
|  | ata_port_dbg(ap, "Host does not support DIPM\n"); | 
|  | ap->flags |= ATA_FLAG_NO_DIPM; | 
|  | } | 
|  |  | 
|  | /* If no LPM states are supported by the HBA, do not bother with LPM */ | 
|  | if ((ap->host->flags & ATA_HOST_NO_PART) && | 
|  | (ap->host->flags & ATA_HOST_NO_SSC) && | 
|  | (ap->host->flags & ATA_HOST_NO_DEVSLP)) { | 
|  | ata_port_dbg(ap, | 
|  | "No LPM states supported, forcing LPM max_power\n"); | 
|  | ap->flags |= ATA_FLAG_NO_LPM; | 
|  | ap->target_lpm_policy = ATA_LPM_MAX_POWER; | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* user modified policy via module param */ | 
|  | if (mobile_lpm_policy != -1) { | 
|  | policy = mobile_lpm_policy; | 
|  | goto update_policy; | 
|  | } | 
|  |  | 
|  | if (policy > ATA_LPM_MED_POWER && pm_suspend_default_s2idle()) { | 
|  | if (hpriv->cap & HOST_CAP_PART) | 
|  | policy = ATA_LPM_MIN_POWER_WITH_PARTIAL; | 
|  | else if (hpriv->cap & HOST_CAP_SSC) | 
|  | policy = ATA_LPM_MIN_POWER; | 
|  | } | 
|  |  | 
|  | update_policy: | 
|  | if (policy >= ATA_LPM_UNKNOWN && policy <= ATA_LPM_MIN_POWER) | 
|  | ap->target_lpm_policy = policy; | 
|  | } | 
|  |  | 
|  | static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv) | 
|  | { | 
|  | u16 tmp16; | 
|  |  | 
|  | if (!(hpriv->flags & AHCI_HFLAG_INTEL_PCS_QUIRK)) | 
|  | return; | 
|  |  | 
|  | /* | 
|  | * port_map is determined from PORTS_IMPL PCI register which is | 
|  | * implemented as write or write-once register.  If the register | 
|  | * isn't programmed, ahci automatically generates it from number | 
|  | * of ports, which is good enough for PCS programming. It is | 
|  | * otherwise expected that platform firmware enables the ports | 
|  | * before the OS boots. | 
|  | */ | 
|  | pci_read_config_word(pdev, PCS_6, &tmp16); | 
|  | if ((tmp16 & hpriv->port_map) != hpriv->port_map) { | 
|  | tmp16 |= hpriv->port_map; | 
|  | pci_write_config_word(pdev, PCS_6, tmp16); | 
|  | } | 
|  | } | 
|  |  | 
|  | static ssize_t remapped_nvme_show(struct device *dev, | 
|  | struct device_attribute *attr, | 
|  | char *buf) | 
|  | { | 
|  | struct ata_host *host = dev_get_drvdata(dev); | 
|  | struct ahci_host_priv *hpriv = host->private_data; | 
|  |  | 
|  | return sysfs_emit(buf, "%u\n", hpriv->remapped_nvme); | 
|  | } | 
|  |  | 
|  | static DEVICE_ATTR_RO(remapped_nvme); | 
|  |  | 
|  | static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) | 
|  | { | 
|  | unsigned int board_id = ent->driver_data; | 
|  | struct ata_port_info pi = ahci_port_info[board_id]; | 
|  | const struct ata_port_info *ppi[] = { &pi, NULL }; | 
|  | struct device *dev = &pdev->dev; | 
|  | struct ahci_host_priv *hpriv; | 
|  | struct ata_host *host; | 
|  | int n_ports, i, rc; | 
|  | int ahci_pci_bar = AHCI_PCI_BAR_STANDARD; | 
|  |  | 
|  | WARN_ON((int)ATA_MAX_QUEUE > AHCI_MAX_CMDS); | 
|  |  | 
|  | ata_print_version_once(&pdev->dev, DRV_VERSION); | 
|  |  | 
|  | /* The AHCI driver can only drive the SATA ports, the PATA driver | 
|  | can drive them all so if both drivers are selected make sure | 
|  | AHCI stays out of the way */ | 
|  | if (pdev->vendor == PCI_VENDOR_ID_MARVELL && !marvell_enable) | 
|  | return -ENODEV; | 
|  |  | 
|  | /* Apple BIOS on MCP89 prevents us using AHCI */ | 
|  | if (is_mcp89_apple(pdev)) | 
|  | ahci_mcp89_apple_enable(pdev); | 
|  |  | 
|  | /* Promise's PDC42819 is a SAS/SATA controller that has an AHCI mode. | 
|  | * At the moment, we can only use the AHCI mode. Let the users know | 
|  | * that for SAS drives they're out of luck. | 
|  | */ | 
|  | if (pdev->vendor == PCI_VENDOR_ID_PROMISE) | 
|  | dev_info(&pdev->dev, | 
|  | "PDC42819 can only drive SATA devices with this driver\n"); | 
|  |  | 
|  | /* Some devices use non-standard BARs */ | 
|  | if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06) | 
|  | ahci_pci_bar = AHCI_PCI_BAR_STA2X11; | 
|  | else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000) | 
|  | ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS; | 
|  | else if (pdev->vendor == PCI_VENDOR_ID_CAVIUM) { | 
|  | if (pdev->device == 0xa01c) | 
|  | ahci_pci_bar = AHCI_PCI_BAR_CAVIUM; | 
|  | if (pdev->device == 0xa084) | 
|  | ahci_pci_bar = AHCI_PCI_BAR_CAVIUM_GEN5; | 
|  | } else if (pdev->vendor == PCI_VENDOR_ID_LOONGSON) { | 
|  | if (pdev->device == 0x7a08) | 
|  | ahci_pci_bar = AHCI_PCI_BAR_LOONGSON; | 
|  | } | 
|  |  | 
|  | /* acquire resources */ | 
|  | rc = pcim_enable_device(pdev); | 
|  | if (rc) | 
|  | return rc; | 
|  |  | 
|  | if (pdev->vendor == PCI_VENDOR_ID_INTEL && | 
|  | (pdev->device == 0x2652 || pdev->device == 0x2653)) { | 
|  | u8 map; | 
|  |  | 
|  | /* ICH6s share the same PCI ID for both piix and ahci | 
|  | * modes.  Enabling ahci mode while MAP indicates | 
|  | * combined mode is a bad idea.  Yield to ata_piix. | 
|  | */ | 
|  | pci_read_config_byte(pdev, ICH_MAP, &map); | 
|  | if (map & 0x3) { | 
|  | dev_info(&pdev->dev, | 
|  | "controller is in combined mode, can't enable AHCI mode\n"); | 
|  | return -ENODEV; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* AHCI controllers often implement SFF compatible interface. | 
|  | * Grab all PCI BARs just in case. | 
|  | */ | 
|  | rc = pcim_request_all_regions(pdev, DRV_NAME); | 
|  | if (rc == -EBUSY) | 
|  | pcim_pin_device(pdev); | 
|  | if (rc) | 
|  | return rc; | 
|  |  | 
|  | hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL); | 
|  | if (!hpriv) | 
|  | return -ENOMEM; | 
|  | hpriv->flags |= (unsigned long)pi.private_data; | 
|  |  | 
|  | /* MCP65 revision A1 and A2 can't do MSI */ | 
|  | if (board_id == board_ahci_mcp65 && | 
|  | (pdev->revision == 0xa1 || pdev->revision == 0xa2)) | 
|  | hpriv->flags |= AHCI_HFLAG_NO_MSI; | 
|  |  | 
|  | /* SB800 does NOT need the workaround to ignore SERR_INTERNAL */ | 
|  | if (board_id == board_ahci_sb700 && pdev->revision >= 0x40) | 
|  | hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL; | 
|  |  | 
|  | /* only some SB600s can do 64bit DMA */ | 
|  | if (ahci_sb600_enable_64bit(pdev)) | 
|  | hpriv->flags &= ~AHCI_HFLAG_32BIT_ONLY; | 
|  |  | 
|  | hpriv->mmio = pcim_iomap(pdev, ahci_pci_bar, 0); | 
|  | if (!hpriv->mmio) | 
|  | return -ENOMEM; | 
|  |  | 
|  | /* detect remapped nvme devices */ | 
|  | ahci_remap_check(pdev, ahci_pci_bar, hpriv); | 
|  |  | 
|  | sysfs_add_file_to_group(&pdev->dev.kobj, | 
|  | &dev_attr_remapped_nvme.attr, | 
|  | NULL); | 
|  |  | 
|  | #ifdef CONFIG_ARM64 | 
|  | if (pdev->vendor == PCI_VENDOR_ID_HUAWEI && | 
|  | pdev->device == 0xa235 && | 
|  | pdev->revision < 0x30) | 
|  | hpriv->flags |= AHCI_HFLAG_NO_SXS; | 
|  |  | 
|  | if (pdev->vendor == 0x177d && pdev->device == 0xa01c) | 
|  | hpriv->irq_handler = ahci_thunderx_irq_handler; | 
|  | #endif | 
|  |  | 
|  | /* save initial config */ | 
|  | ahci_pci_save_initial_config(pdev, hpriv); | 
|  |  | 
|  | /* prepare host */ | 
|  | if (hpriv->cap & HOST_CAP_NCQ) { | 
|  | pi.flags |= ATA_FLAG_NCQ; | 
|  | /* | 
|  | * Auto-activate optimization is supposed to be | 
|  | * supported on all AHCI controllers indicating NCQ | 
|  | * capability, but it seems to be broken on some | 
|  | * chipsets including NVIDIAs. | 
|  | */ | 
|  | if (!(hpriv->flags & AHCI_HFLAG_NO_FPDMA_AA)) | 
|  | pi.flags |= ATA_FLAG_FPDMA_AA; | 
|  |  | 
|  | /* | 
|  | * All AHCI controllers should be forward-compatible | 
|  | * with the new auxiliary field. This code should be | 
|  | * conditionalized if any buggy AHCI controllers are | 
|  | * encountered. | 
|  | */ | 
|  | pi.flags |= ATA_FLAG_FPDMA_AUX; | 
|  | } | 
|  |  | 
|  | if (hpriv->cap & HOST_CAP_PMP) | 
|  | pi.flags |= ATA_FLAG_PMP; | 
|  |  | 
|  | ahci_set_em_messages(hpriv, &pi); | 
|  |  | 
|  | if (ahci_broken_system_poweroff(pdev)) { | 
|  | pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN; | 
|  | dev_info(&pdev->dev, | 
|  | "quirky BIOS, skipping spindown on poweroff\n"); | 
|  | } | 
|  |  | 
|  | if (ahci_broken_lpm(pdev)) { | 
|  | pi.flags |= ATA_FLAG_NO_LPM; | 
|  | dev_warn(&pdev->dev, | 
|  | "BIOS update required for Link Power Management support\n"); | 
|  | } | 
|  |  | 
|  | if (ahci_broken_suspend(pdev)) { | 
|  | hpriv->flags |= AHCI_HFLAG_NO_SUSPEND; | 
|  | dev_warn(&pdev->dev, | 
|  | "BIOS update required for suspend/resume\n"); | 
|  | } | 
|  |  | 
|  | if (ahci_broken_online(pdev)) { | 
|  | hpriv->flags |= AHCI_HFLAG_SRST_TOUT_IS_OFFLINE; | 
|  | dev_info(&pdev->dev, | 
|  | "online status unreliable, applying workaround\n"); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* Acer SA5-271 workaround modifies private_data */ | 
|  | acer_sa5_271_workaround(hpriv, pdev); | 
|  |  | 
|  | /* CAP.NP sometimes indicate the index of the last enabled | 
|  | * port, at other times, that of the last possible port, so | 
|  | * determining the maximum port number requires looking at | 
|  | * both CAP.NP and port_map. | 
|  | */ | 
|  | n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map)); | 
|  |  | 
|  | host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); | 
|  | if (!host) { | 
|  | rc = -ENOMEM; | 
|  | goto err_rm_sysfs_file; | 
|  | } | 
|  | host->private_data = hpriv; | 
|  |  | 
|  | ahci_init_irq(pdev, n_ports, hpriv); | 
|  |  | 
|  | hpriv->irq = pci_irq_vector(pdev, 0); | 
|  |  | 
|  | if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss) | 
|  | host->flags |= ATA_HOST_PARALLEL_SCAN; | 
|  | else | 
|  | dev_info(&pdev->dev, "SSS flag set, parallel bus scan disabled\n"); | 
|  |  | 
|  | if (!(hpriv->cap & HOST_CAP_PART)) | 
|  | host->flags |= ATA_HOST_NO_PART; | 
|  |  | 
|  | if (!(hpriv->cap & HOST_CAP_SSC)) | 
|  | host->flags |= ATA_HOST_NO_SSC; | 
|  |  | 
|  | if (!(hpriv->cap2 & HOST_CAP2_SDS)) | 
|  | host->flags |= ATA_HOST_NO_DEVSLP; | 
|  |  | 
|  | if (pi.flags & ATA_FLAG_EM) | 
|  | ahci_reset_em(host); | 
|  |  | 
|  | for (i = 0; i < host->n_ports; i++) { | 
|  | struct ata_port *ap = host->ports[i]; | 
|  |  | 
|  | ata_port_pbar_desc(ap, ahci_pci_bar, -1, "abar"); | 
|  | ata_port_pbar_desc(ap, ahci_pci_bar, | 
|  | 0x100 + ap->port_no * 0x80, "port"); | 
|  |  | 
|  | /* set enclosure management message type */ | 
|  | if (ap->flags & ATA_FLAG_EM) | 
|  | ap->em_message_type = hpriv->em_msg_type; | 
|  |  | 
|  | ahci_mark_external_port(ap); | 
|  |  | 
|  | ahci_update_initial_lpm_policy(ap); | 
|  |  | 
|  | /* disabled/not-implemented port */ | 
|  | if (!(hpriv->port_map & (1 << i))) | 
|  | ap->ops = &ata_dummy_port_ops; | 
|  | } | 
|  |  | 
|  | /* apply workaround for ASUS P5W DH Deluxe mainboard */ | 
|  | ahci_p5wdh_workaround(host); | 
|  |  | 
|  | /* apply gtf filter quirk */ | 
|  | ahci_gtf_filter_workaround(host); | 
|  |  | 
|  | /* initialize adapter */ | 
|  | rc = ahci_configure_dma_masks(pdev, hpriv); | 
|  | if (rc) | 
|  | goto err_rm_sysfs_file; | 
|  |  | 
|  | rc = ahci_pci_reset_controller(host); | 
|  | if (rc) | 
|  | goto err_rm_sysfs_file; | 
|  |  | 
|  | ahci_pci_init_controller(host); | 
|  | ahci_pci_print_info(host); | 
|  |  | 
|  | pci_set_master(pdev); | 
|  |  | 
|  | rc = ahci_host_activate(host, &ahci_sht); | 
|  | if (rc) | 
|  | goto err_rm_sysfs_file; | 
|  |  | 
|  | pm_runtime_put_noidle(&pdev->dev); | 
|  | return 0; | 
|  |  | 
|  | err_rm_sysfs_file: | 
|  | sysfs_remove_file_from_group(&pdev->dev.kobj, | 
|  | &dev_attr_remapped_nvme.attr, NULL); | 
|  | return rc; | 
|  | } | 
|  |  | 
|  | static void ahci_shutdown_one(struct pci_dev *pdev) | 
|  | { | 
|  | ata_pci_shutdown_one(pdev); | 
|  | } | 
|  |  | 
|  | static void ahci_remove_one(struct pci_dev *pdev) | 
|  | { | 
|  | sysfs_remove_file_from_group(&pdev->dev.kobj, | 
|  | &dev_attr_remapped_nvme.attr, | 
|  | NULL); | 
|  | pm_runtime_get_noresume(&pdev->dev); | 
|  | ata_pci_remove_one(pdev); | 
|  | } | 
|  |  | 
|  | module_pci_driver(ahci_pci_driver); | 
|  |  | 
|  | MODULE_AUTHOR("Jeff Garzik"); | 
|  | MODULE_DESCRIPTION("AHCI SATA low-level driver"); | 
|  | MODULE_LICENSE("GPL"); | 
|  | MODULE_DEVICE_TABLE(pci, ahci_pci_tbl); | 
|  | MODULE_VERSION(DRV_VERSION); |