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ahci.c
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ahci.c - AHCI SATA support
*
* Maintained by: Tejun Heo <[email protected]>
* Please ALWAYS copy [email protected]
* 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 <linux/msi.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_ign_iferr,
board_ahci_mobile,
board_ahci_nomsi,
board_ahci_noncq,
board_ahci_nosntf,
board_ahci_yes_fbs,
/* 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,
/*
* board IDs for Intel chipsets that support more than 6 ports
* *and* end up needing the PCS quirk.
*/
board_ahci_pcs7,
/* 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 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 struct scsi_host_template ahci_sht = {
AHCI_SHT("ahci"),
};
static struct ata_port_operations ahci_vt8251_ops = {
.inherits = &ahci_ops,
.hardreset = ahci_vt8251_hardreset,
};
static struct ata_port_operations ahci_p5wdh_ops = {
.inherits = &ahci_ops,
.hardreset = ahci_p5wdh_hardreset,
};
static struct ata_port_operations ahci_avn_ops = {
.inherits = &ahci_ops,
.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_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_mobile] = {
AHCI_HFLAGS (AHCI_HFLAG_IS_MOBILE),
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
[board_ahci_nomsi] = {
AHCI_HFLAGS (AHCI_HFLAG_NO_MSI),
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
[board_ahci_noncq] = {
AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ),
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
[board_ahci_nosntf] = {
AHCI_HFLAGS (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,
},
/* 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] = {
.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,
},
[board_ahci_pcs7] = {
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
};
static const struct pci_device_id ahci_pci_tbl[] = {
/* Intel */
{ PCI_VDEVICE(INTEL, 0x06d6), board_ahci }, /* Comet Lake PCH-H RAID */
{ PCI_VDEVICE(INTEL, 0x2652), board_ahci }, /* ICH6 */
{ PCI_VDEVICE(INTEL, 0x2653), board_ahci }, /* ICH6M */
{ PCI_VDEVICE(INTEL, 0x27c1), board_ahci }, /* ICH7 */
{ PCI_VDEVICE(INTEL, 0x27c5), board_ahci }, /* ICH7M */
{ PCI_VDEVICE(INTEL, 0x27c3), board_ahci }, /* ICH7R */
{ PCI_VDEVICE(AL, 0x5288), board_ahci_ign_iferr }, /* ULi M5288 */
{ PCI_VDEVICE(INTEL, 0x2681), board_ahci }, /* ESB2 */
{ PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */
{ PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
{ PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
{ PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
{ PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
{ PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
{ PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
{ PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
{ PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */
{ PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */
{ PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */
{ PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */
{ PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */
{ PCI_VDEVICE(INTEL, 0x2929), board_ahci_mobile }, /* ICH9M */
{ PCI_VDEVICE(INTEL, 0x292a), board_ahci_mobile }, /* ICH9M */
{ PCI_VDEVICE(INTEL, 0x292b), board_ahci_mobile }, /* ICH9M */
{ PCI_VDEVICE(INTEL, 0x292c), board_ahci_mobile }, /* ICH9M */
{ PCI_VDEVICE(INTEL, 0x292f), board_ahci_mobile }, /* ICH9M */
{ PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */
{ PCI_VDEVICE(INTEL, 0x294e), board_ahci_mobile }, /* ICH9M */
{ PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
{ PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
{ PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
{ PCI_VDEVICE(INTEL, 0x3a22), board_ahci }, /* ICH10 */
{ PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
{ PCI_VDEVICE(INTEL, 0x3b22), board_ahci }, /* PCH AHCI */
{ PCI_VDEVICE(INTEL, 0x3b23), board_ahci }, /* PCH AHCI */
{ PCI_VDEVICE(INTEL, 0x3b24), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b25), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b29), board_ahci_mobile }, /* PCH M AHCI */
{ PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_mobile }, /* PCH M RAID */
{ PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
{ PCI_VDEVICE(INTEL, 0x19b0), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b1), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b2), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b3), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b4), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b5), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b6), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b7), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19bE), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19bF), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c0), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c1), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c2), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c3), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c4), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c5), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c6), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c7), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19cE), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19cF), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
{ PCI_VDEVICE(INTEL, 0x1c03), board_ahci_mobile }, /* CPT M AHCI */
{ PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
{ PCI_VDEVICE(INTEL, 0x1c05), board_ahci_mobile }, /* CPT M RAID */
{ PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */
{ PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */
{ PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
{ PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
{ PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
{ PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
{ PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
{ PCI_VDEVICE(INTEL, 0x1e02), board_ahci }, /* Panther Point AHCI */
{ PCI_VDEVICE(INTEL, 0x1e03), board_ahci_mobile }, /* Panther M AHCI */
{ PCI_VDEVICE(INTEL, 0x1e04), board_ahci }, /* Panther Point RAID */
{ PCI_VDEVICE(INTEL, 0x1e05), board_ahci }, /* Panther Point RAID */
{ PCI_VDEVICE(INTEL, 0x1e06), board_ahci }, /* Panther Point RAID */
{ PCI_VDEVICE(INTEL, 0x1e07), board_ahci_mobile }, /* Panther M RAID */
{ PCI_VDEVICE(INTEL, 0x1e0e), board_ahci }, /* Panther Point RAID */
{ PCI_VDEVICE(INTEL, 0x8c02), board_ahci }, /* Lynx Point AHCI */
{ PCI_VDEVICE(INTEL, 0x8c03), board_ahci_mobile }, /* Lynx M AHCI */
{ PCI_VDEVICE(INTEL, 0x8c04), board_ahci }, /* Lynx Point RAID */
{ PCI_VDEVICE(INTEL, 0x8c05), board_ahci_mobile }, /* Lynx M RAID */
{ PCI_VDEVICE(INTEL, 0x8c06), board_ahci }, /* Lynx Point RAID */
{ PCI_VDEVICE(INTEL, 0x8c07), board_ahci_mobile }, /* Lynx M RAID */
{ PCI_VDEVICE(INTEL, 0x8c0e), board_ahci }, /* Lynx Point RAID */
{ PCI_VDEVICE(INTEL, 0x8c0f), board_ahci_mobile }, /* Lynx M RAID */
{ PCI_VDEVICE(INTEL, 0x9c02), board_ahci_mobile }, /* Lynx LP AHCI */
{ PCI_VDEVICE(INTEL, 0x9c03), board_ahci_mobile }, /* Lynx LP AHCI */
{ PCI_VDEVICE(INTEL, 0x9c04), board_ahci_mobile }, /* Lynx LP RAID */
{ PCI_VDEVICE(INTEL, 0x9c05), board_ahci_mobile }, /* Lynx LP RAID */
{ PCI_VDEVICE(INTEL, 0x9c06), board_ahci_mobile }, /* Lynx LP RAID */
{ PCI_VDEVICE(INTEL, 0x9c07), board_ahci_mobile }, /* Lynx LP RAID */
{ PCI_VDEVICE(INTEL, 0x9c0e), board_ahci_mobile }, /* Lynx LP RAID */
{ PCI_VDEVICE(INTEL, 0x9c0f), board_ahci_mobile }, /* Lynx LP RAID */
{ PCI_VDEVICE(INTEL, 0x9dd3), board_ahci_mobile }, /* Cannon Lake PCH-LP AHCI */
{ PCI_VDEVICE(INTEL, 0x1f22), board_ahci }, /* Avoton AHCI */
{ PCI_VDEVICE(INTEL, 0x1f23), board_ahci }, /* Avoton AHCI */
{ PCI_VDEVICE(INTEL, 0x1f24), board_ahci }, /* Avoton RAID */
{ PCI_VDEVICE(INTEL, 0x1f25), board_ahci }, /* Avoton RAID */
{ PCI_VDEVICE(INTEL, 0x1f26), board_ahci }, /* Avoton RAID */
{ PCI_VDEVICE(INTEL, 0x1f27), board_ahci }, /* Avoton RAID */
{ PCI_VDEVICE(INTEL, 0x1f2e), board_ahci }, /* Avoton RAID */
{ PCI_VDEVICE(INTEL, 0x1f2f), board_ahci }, /* 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 }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
{ PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x8d0e), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x8d62), board_ahci }, /* Wellsburg AHCI */
{ PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
{ PCI_VDEVICE(INTEL, 0x9c83), board_ahci_mobile }, /* Wildcat LP AHCI */
{ PCI_VDEVICE(INTEL, 0x9c85), board_ahci_mobile }, /* Wildcat LP RAID */
{ PCI_VDEVICE(INTEL, 0x9c87), board_ahci_mobile }, /* Wildcat LP RAID */
{ PCI_VDEVICE(INTEL, 0x9c8f), board_ahci_mobile }, /* Wildcat LP RAID */
{ PCI_VDEVICE(INTEL, 0x8c82), board_ahci }, /* 9 Series AHCI */
{ PCI_VDEVICE(INTEL, 0x8c83), board_ahci_mobile }, /* 9 Series M AHCI */
{ PCI_VDEVICE(INTEL, 0x8c84), board_ahci }, /* 9 Series RAID */
{ PCI_VDEVICE(INTEL, 0x8c85), board_ahci_mobile }, /* 9 Series M RAID */
{ PCI_VDEVICE(INTEL, 0x8c86), board_ahci }, /* 9 Series RAID */
{ PCI_VDEVICE(INTEL, 0x8c87), board_ahci_mobile }, /* 9 Series M RAID */
{ PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
{ PCI_VDEVICE(INTEL, 0x8c8f), board_ahci_mobile }, /* 9 Series M RAID */
{ PCI_VDEVICE(INTEL, 0x9d03), board_ahci_mobile }, /* Sunrise LP AHCI */
{ PCI_VDEVICE(INTEL, 0x9d05), board_ahci_mobile }, /* Sunrise LP RAID */
{ PCI_VDEVICE(INTEL, 0x9d07), board_ahci_mobile }, /* Sunrise LP RAID */
{ PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */
{ PCI_VDEVICE(INTEL, 0xa103), board_ahci_mobile }, /* Sunrise M AHCI */
{ PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa107), board_ahci_mobile }, /* Sunrise M RAID */
{ PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Lewisburg AHCI*/
{ PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
{ PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
{ PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa356), board_ahci }, /* Cannon Lake PCH-H RAID */
{ PCI_VDEVICE(INTEL, 0x06d7), board_ahci }, /* Comet Lake-H RAID */
{ PCI_VDEVICE(INTEL, 0xa386), board_ahci }, /* Comet Lake PCH-V RAID */
{ PCI_VDEVICE(INTEL, 0x0f22), board_ahci_mobile }, /* Bay Trail AHCI */
{ PCI_VDEVICE(INTEL, 0x0f23), board_ahci_mobile }, /* Bay Trail AHCI */
{ PCI_VDEVICE(INTEL, 0x22a3), board_ahci_mobile }, /* Cherry Tr. AHCI */
{ PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_mobile }, /* ApolloLake AHCI */
{ PCI_VDEVICE(INTEL, 0x34d3), board_ahci_mobile }, /* Ice Lake LP AHCI */
{ PCI_VDEVICE(INTEL, 0x02d3), board_ahci_mobile }, /* Comet Lake PCH-U AHCI */
{ PCI_VDEVICE(INTEL, 0x02d7), board_ahci_mobile }, /* Comet Lake PCH RAID */
/* 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, 0x7900), board_ahci }, /* AMD CZ */
/* 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 },
/* 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, 0x9230),
.driver_data = board_ahci_yes_fbs },
{ 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 }, /* ASM1060 */
{ PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
{ PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
{ PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
{ PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci }, /* ASM1061R */
{ PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci }, /* ASM1062R */
/*
* 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_nomsi },
{ PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
/* 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 for mobile chipsets");
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->force_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");
}
ahci_save_initial_config(&pdev->dev, hpriv);
}
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(host, mv);
writel(0, port_mmio + PORT_IRQ_MASK);
/* clear port IRQ */
tmp = readl(port_mmio + PORT_IRQ_STAT);
VPRINTK("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;
DPRINTK("ENTER\n");
hpriv->stop_engine(ap);
rc = sata_link_hardreset(link, sata_ehc_deb_timing(&link->eh_context),
deadline, &online, NULL);
hpriv->start_engine(ap);
DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
/* 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.command = 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 long *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;
DPRINTK("ENTER\n");
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.command = 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_printk(link, KERN_INFO, "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);
DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
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_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);
return ata_host_suspend(host, PMSG_SUSPEND);
}
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_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, int using_dac)
{
const int dma_bits = using_dac ? 64 : 32;
int rc;
/*
* 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