diff options
-rw-r--r-- | drivers/ata/Kconfig | 77 | ||||
-rw-r--r-- | drivers/ata/Makefile | 2 | ||||
-rw-r--r-- | drivers/ata/ahci.c | 10 | ||||
-rw-r--r-- | drivers/ata/libata-core.c | 1126 | ||||
-rw-r--r-- | drivers/ata/libata-eh.c | 224 | ||||
-rw-r--r-- | drivers/ata/libata-pata-timings.c | 192 | ||||
-rw-r--r-- | drivers/ata/libata-sata.c | 1483 | ||||
-rw-r--r-- | drivers/ata/libata-scsi.c | 583 | ||||
-rw-r--r-- | drivers/ata/libata-sff.c | 4 | ||||
-rw-r--r-- | drivers/ata/libata-transport.c | 10 | ||||
-rw-r--r-- | drivers/ata/libata.h | 25 | ||||
-rw-r--r-- | drivers/ata/sata_promise.c | 8 | ||||
-rw-r--r-- | drivers/scsi/Kconfig | 1 | ||||
-rw-r--r-- | drivers/scsi/libsas/Kconfig | 1 | ||||
-rw-r--r-- | include/linux/libata.h | 174 | ||||
-rw-r--r-- | include/linux/pci_ids.h | 2 |
16 files changed, 2065 insertions, 1857 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index a6beb2c5a692..05ecdce1b702 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -34,6 +34,12 @@ if ATA config ATA_NONSTANDARD bool +config SATA_HOST + bool + +config PATA_TIMINGS + bool + config ATA_VERBOSE_ERROR bool "Verbose ATA error reporting" default y @@ -45,9 +51,26 @@ config ATA_VERBOSE_ERROR If unsure, say Y. +config ATA_FORCE + bool "\"libata.force=\" kernel parameter support" if EXPERT + default y + help + This option adds support for "libata.force=" kernel parameter for + forcing configuration settings. + + For further information, please read + <file:Documentation/admin-guide/kernel-parameters.txt>. + + This option will enlarge the kernel by approx. 3KB. Disable it if + kernel size is more important than ability to override the default + configuration settings. + + If unsure, say Y. + config ATA_ACPI bool "ATA ACPI Support" depends on ACPI + select PATA_TIMINGS default y help This option adds support for ATA-related ACPI objects. @@ -73,6 +96,7 @@ config SATA_ZPODD config SATA_PMP bool "SATA Port Multiplier support" + depends on SATA_HOST default y help This option adds support for SATA Port Multipliers @@ -85,6 +109,7 @@ comment "Controllers with non-SFF native interface" config SATA_AHCI tristate "AHCI SATA support" depends on PCI + select SATA_HOST help This option enables support for AHCI Serial ATA. @@ -111,6 +136,7 @@ config SATA_MOBILE_LPM_POLICY config SATA_AHCI_PLATFORM tristate "Platform AHCI SATA support" + select SATA_HOST help This option enables support for Platform AHCI Serial ATA controllers. @@ -121,6 +147,7 @@ config AHCI_BRCM tristate "Broadcom AHCI SATA support" depends on ARCH_BRCMSTB || BMIPS_GENERIC || ARCH_BCM_NSP || \ ARCH_BCM_63XX + select SATA_HOST help This option enables support for the AHCI SATA3 controller found on Broadcom SoC's. @@ -130,6 +157,7 @@ config AHCI_BRCM config AHCI_DA850 tristate "DaVinci DA850 AHCI SATA support" depends on ARCH_DAVINCI_DA850 + select SATA_HOST help This option enables support for the DaVinci DA850 SoC's onboard AHCI SATA. @@ -139,6 +167,7 @@ config AHCI_DA850 config AHCI_DM816 tristate "DaVinci DM816 AHCI SATA support" depends on ARCH_OMAP2PLUS + select SATA_HOST help This option enables support for the DaVinci DM816 SoC's onboard AHCI SATA controller. @@ -148,6 +177,7 @@ config AHCI_DM816 config AHCI_ST tristate "ST AHCI SATA support" depends on ARCH_STI + select SATA_HOST help This option enables support for ST AHCI SATA controller. @@ -157,6 +187,7 @@ config AHCI_IMX tristate "Freescale i.MX AHCI SATA support" depends on MFD_SYSCON && (ARCH_MXC || COMPILE_TEST) depends on (HWMON && (THERMAL || !THERMAL_OF)) || !HWMON + select SATA_HOST help This option enables support for the Freescale i.MX SoC's onboard AHCI SATA. @@ -166,6 +197,7 @@ config AHCI_IMX config AHCI_CEVA tristate "CEVA AHCI SATA support" depends on OF + select SATA_HOST help This option enables support for the CEVA AHCI SATA. It can be found on the Xilinx Zynq UltraScale+ MPSoC. @@ -176,6 +208,7 @@ config AHCI_MTK tristate "MediaTek AHCI SATA support" depends on ARCH_MEDIATEK select MFD_SYSCON + select SATA_HOST help This option enables support for the MediaTek SoC's onboard AHCI SATA controller. @@ -185,6 +218,7 @@ config AHCI_MTK config AHCI_MVEBU tristate "Marvell EBU AHCI SATA support" depends on ARCH_MVEBU + select SATA_HOST help This option enables support for the Marvebu EBU SoC's onboard AHCI SATA. @@ -203,6 +237,7 @@ config AHCI_OCTEON config AHCI_SUNXI tristate "Allwinner sunxi AHCI SATA support" depends on ARCH_SUNXI + select SATA_HOST help This option enables support for the Allwinner sunxi SoC's onboard AHCI SATA. @@ -212,6 +247,7 @@ config AHCI_SUNXI config AHCI_TEGRA tristate "NVIDIA Tegra AHCI SATA support" depends on ARCH_TEGRA + select SATA_HOST help This option enables support for the NVIDIA Tegra SoC's onboard AHCI SATA. @@ -221,12 +257,14 @@ config AHCI_TEGRA config AHCI_XGENE tristate "APM X-Gene 6.0Gbps AHCI SATA host controller support" depends on PHY_XGENE + select SATA_HOST help This option enables support for APM X-Gene SoC SATA host controller. config AHCI_QORIQ tristate "Freescale QorIQ AHCI SATA support" depends on OF + select SATA_HOST help This option enables support for the Freescale QorIQ AHCI SoC's onboard AHCI SATA. @@ -236,6 +274,7 @@ config AHCI_QORIQ config SATA_FSL tristate "Freescale 3.0Gbps SATA support" depends on FSL_SOC + select SATA_HOST help This option enables support for Freescale 3.0Gbps SATA controller. It can be found on MPC837x and MPC8315. @@ -245,6 +284,7 @@ config SATA_FSL config SATA_GEMINI tristate "Gemini SATA bridge support" depends on ARCH_GEMINI || COMPILE_TEST + select SATA_HOST default ARCH_GEMINI help This enabled support for the FTIDE010 to SATA bridge @@ -255,6 +295,7 @@ config SATA_GEMINI config SATA_AHCI_SEATTLE tristate "AMD Seattle 6.0Gbps AHCI SATA host controller support" depends on ARCH_SEATTLE + select SATA_HOST help This option enables support for AMD Seattle SATA host controller. @@ -263,12 +304,14 @@ config SATA_AHCI_SEATTLE config SATA_INIC162X tristate "Initio 162x SATA support (Very Experimental)" depends on PCI + select SATA_HOST help This option enables support for Initio 162x Serial ATA. config SATA_ACARD_AHCI tristate "ACard AHCI variant (ATP 8620)" depends on PCI + select SATA_HOST help This option enables support for Acard. @@ -277,6 +320,7 @@ config SATA_ACARD_AHCI config SATA_SIL24 tristate "Silicon Image 3124/3132 SATA support" depends on PCI + select SATA_HOST help This option enables support for Silicon Image 3124/3132 Serial ATA. @@ -317,6 +361,7 @@ config PDC_ADMA config PATA_OCTEON_CF tristate "OCTEON Boot Bus Compact Flash support" depends on CAVIUM_OCTEON_SOC + select PATA_TIMINGS help This option enables a polled compact flash driver for use with compact flash cards attached to the OCTEON boot bus. @@ -326,6 +371,7 @@ config PATA_OCTEON_CF config SATA_QSTOR tristate "Pacific Digital SATA QStor support" depends on PCI + select SATA_HOST help This option enables support for Pacific Digital Serial ATA QStor. @@ -334,6 +380,7 @@ config SATA_QSTOR config SATA_SX4 tristate "Promise SATA SX4 support (Experimental)" depends on PCI + select SATA_HOST help This option enables support for Promise Serial ATA SX4. @@ -357,6 +404,7 @@ comment "SATA SFF controllers with BMDMA" config ATA_PIIX tristate "Intel ESB, ICH, PIIX3, PIIX4 PATA/SATA support" depends on PCI + select SATA_HOST help This option enables support for ICH5/6/7/8 Serial ATA and support for PATA on the Intel ESB/ICH/PIIX3/PIIX4 series @@ -368,6 +416,7 @@ config SATA_DWC tristate "DesignWare Cores SATA support" depends on DMADEVICES select GENERIC_PHY + select SATA_HOST help This option enables support for the on-chip SATA controller of the AppliedMicro processor 460EX. @@ -398,6 +447,7 @@ config SATA_DWC_VDEBUG config SATA_HIGHBANK tristate "Calxeda Highbank SATA support" depends on ARCH_HIGHBANK || COMPILE_TEST + select SATA_HOST help This option enables support for the Calxeda Highbank SoC's onboard SATA. @@ -409,6 +459,7 @@ config SATA_MV depends on PCI || ARCH_DOVE || ARCH_MV78XX0 || \ ARCH_MVEBU || ARCH_ORION5X || COMPILE_TEST select GENERIC_PHY + select SATA_HOST help This option enables support for the Marvell Serial ATA family. Currently supports 88SX[56]0[48][01] PCI(-X) chips, @@ -419,6 +470,7 @@ config SATA_MV config SATA_NV tristate "NVIDIA SATA support" depends on PCI + select SATA_HOST help This option enables support for NVIDIA Serial ATA. @@ -427,6 +479,7 @@ config SATA_NV config SATA_PROMISE tristate "Promise SATA TX2/TX4 support" depends on PCI + select SATA_HOST help This option enables support for Promise Serial ATA TX2/TX4. @@ -435,6 +488,7 @@ config SATA_PROMISE config SATA_RCAR tristate "Renesas R-Car SATA support" depends on ARCH_RENESAS || COMPILE_TEST + select SATA_HOST help This option enables support for Renesas R-Car Serial ATA. @@ -443,6 +497,7 @@ config SATA_RCAR config SATA_SIL tristate "Silicon Image SATA support" depends on PCI + select SATA_HOST help This option enables support for Silicon Image Serial ATA. @@ -452,6 +507,7 @@ config SATA_SIS tristate "SiS 964/965/966/180 SATA support" depends on PCI select PATA_SIS + select SATA_HOST help This option enables support for SiS Serial ATA on SiS 964/965/966/180 and Parallel ATA on SiS 180. @@ -462,6 +518,7 @@ config SATA_SIS config SATA_SVW tristate "ServerWorks Frodo / Apple K2 SATA support" depends on PCI + select SATA_HOST help This option enables support for Broadcom/Serverworks/Apple K2 SATA support. @@ -471,6 +528,7 @@ config SATA_SVW config SATA_ULI tristate "ULi Electronics SATA support" depends on PCI + select SATA_HOST help This option enables support for ULi Electronics SATA. @@ -479,6 +537,7 @@ config SATA_ULI config SATA_VIA tristate "VIA SATA support" depends on PCI + select SATA_HOST help This option enables support for VIA Serial ATA. @@ -487,6 +546,7 @@ config SATA_VIA config SATA_VITESSE tristate "VITESSE VSC-7174 / INTEL 31244 SATA support" depends on PCI + select SATA_HOST help This option enables support for Vitesse VSC7174 and Intel 31244 Serial ATA. @@ -497,6 +557,7 @@ comment "PATA SFF controllers with BMDMA" config PATA_ALI tristate "ALi PATA support" depends on PCI + select PATA_TIMINGS help This option enables support for the ALi ATA interfaces found on the many ALi chipsets. @@ -506,6 +567,7 @@ config PATA_ALI config PATA_AMD tristate "AMD/NVidia PATA support" depends on PCI + select PATA_TIMINGS help This option enables support for the AMD and NVidia PATA interfaces found on the chipsets for Athlon/Athlon64. @@ -540,6 +602,7 @@ config PATA_ATIIXP config PATA_ATP867X tristate "ARTOP/Acard ATP867X PATA support" depends on PCI + select PATA_TIMINGS help This option enables support for ARTOP/Acard ATP867X PATA controllers. @@ -549,6 +612,7 @@ config PATA_ATP867X config PATA_BK3710 tristate "Palmchip BK3710 PATA support" depends on ARCH_DAVINCI + select PATA_TIMINGS help This option enables support for the integrated IDE controller on the TI DaVinci SoC. @@ -558,6 +622,7 @@ config PATA_BK3710 config PATA_CMD64X tristate "CMD64x PATA support" depends on PCI + select PATA_TIMINGS help This option enables support for the CMD64x series chips except for the CMD640. @@ -603,6 +668,7 @@ config PATA_CS5536 config PATA_CYPRESS tristate "Cypress CY82C693 PATA support (Very Experimental)" depends on PCI + select PATA_TIMINGS help This option enables support for the Cypress/Contaq CY82C693 chipset found in some Alpha systems @@ -621,6 +687,7 @@ config PATA_EFAR config PATA_EP93XX tristate "Cirrus Logic EP93xx PATA support" depends on ARCH_EP93XX + select PATA_TIMINGS help This option enables support for the PATA controller in the Cirrus Logic EP9312 and EP9315 ARM CPU. @@ -685,6 +752,7 @@ config PATA_HPT3X3_DMA config PATA_ICSIDE tristate "Acorn ICS PATA support" depends on ARM && ARCH_ACORN + select PATA_TIMINGS help On Acorn systems, say Y here if you wish to use the ICS PATA interface card. This is not required for ICS partition support. @@ -693,6 +761,7 @@ config PATA_ICSIDE config PATA_IMX tristate "PATA support for Freescale iMX" depends on ARCH_MXC + select PATA_TIMINGS help This option enables support for the PATA host available on Freescale iMX SoCs. @@ -778,6 +847,7 @@ config PATA_NINJA32 config PATA_NS87415 tristate "Nat Semi NS87415 PATA support" depends on PCI + select PATA_TIMINGS help This option enables support for the National Semiconductor NS87415 PCI-IDE controller. @@ -902,6 +972,7 @@ config PATA_TRIFLEX config PATA_VIA tristate "VIA PATA support" depends on PCI + select PATA_TIMINGS help This option enables support for the VIA PATA interfaces found on the many VIA chipsets. @@ -935,6 +1006,7 @@ comment "PIO-only SFF controllers" config PATA_CMD640_PCI tristate "CMD640 PCI PATA support (Experimental)" depends on PCI + select PATA_TIMINGS help This option enables support for the CMD640 PCI IDE interface chip. Only the primary channel is currently @@ -1005,6 +1077,7 @@ config PATA_MPIIX config PATA_NS87410 tristate "Nat Semi NS87410 PATA support" depends on PCI + select PATA_TIMINGS help This option enables support for the National Semiconductor NS87410 PCI-IDE controller. @@ -1085,6 +1158,7 @@ config PATA_RZ1000 config PATA_SAMSUNG_CF tristate "Samsung SoC PATA support" depends on SAMSUNG_DEV_IDE + select PATA_TIMINGS help This option enables basic support for Samsung's S3C/S5P board PATA controllers via the new ATA layer @@ -1104,6 +1178,7 @@ comment "Generic fallback / legacy drivers" config PATA_ACPI tristate "ACPI firmware driver for PATA" depends on ATA_ACPI && ATA_BMDMA && PCI + select PATA_TIMINGS help This option enables an ACPI method driver which drives motherboard PATA controller interfaces through the ACPI @@ -1113,6 +1188,7 @@ config PATA_ACPI config ATA_GENERIC tristate "Generic ATA support" depends on PCI && ATA_BMDMA + select SATA_HOST help This option enables support for generic BIOS configured ATA controllers via the new ATA layer @@ -1122,6 +1198,7 @@ config ATA_GENERIC config PATA_LEGACY tristate "Legacy ISA PATA support (Experimental)" depends on (ISA || PCI) + select PATA_TIMINGS help This option enables support for ISA/VLB/PCI bus legacy PATA ports and allows them to be accessed via the new ATA layer. diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index d8cc2e04a6c7..b8aebfb14e82 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -123,7 +123,9 @@ obj-$(CONFIG_PATA_LEGACY) += pata_legacy.o libata-y := libata-core.o libata-scsi.o libata-eh.o \ libata-transport.o libata-trace.o +libata-$(CONFIG_SATA_HOST) += libata-sata.o libata-$(CONFIG_ATA_SFF) += libata-sff.o libata-$(CONFIG_SATA_PMP) += libata-pmp.o libata-$(CONFIG_ATA_ACPI) += libata-acpi.o libata-$(CONFIG_SATA_ZPODD) += libata-zpodd.o +libata-$(CONFIG_PATA_TIMINGS) += libata-pata-timings.o diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 11ea1aff40db..ad0185c8dcee 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -40,6 +40,7 @@ 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, @@ -245,6 +246,7 @@ static const struct ata_port_info ahci_port_info[] = { 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 */ @@ -401,6 +403,8 @@ static const struct pci_device_id ahci_pci_tbl[] = { { 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 */ @@ -589,6 +593,9 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* 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 }, @@ -1680,6 +1687,9 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 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 */ diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 42c8728f6117..beca5f91bb4c 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2,10 +2,6 @@ /* * libata-core.c - helper library for ATA * - * Maintained by: Tejun Heo <tj@kernel.org> - * Please ALWAYS copy linux-ide@vger.kernel.org - * on emails. - * * Copyright 2003-2004 Red Hat, Inc. All rights reserved. * Copyright 2003-2004 Jeff Garzik * @@ -22,6 +18,11 @@ * http://www.compactflash.org (CF) * http://www.qic.org (QIC157 - Tape and DSC) * http://www.ce-ata.org (CE-ATA: not supported) + * + * libata is essentially a library of internal helper functions for + * low-level ATA host controller drivers. As such, the API/ABI is + * likely to change as new drivers are added and updated. + * Do not depend on ABI/API stability. */ #include <linux/kernel.h> @@ -56,6 +57,7 @@ #include <linux/leds.h> #include <linux/pm_runtime.h> #include <linux/platform_device.h> +#include <asm/setup.h> #define CREATE_TRACE_POINTS #include <trace/events/libata.h> @@ -63,11 +65,6 @@ #include "libata.h" #include "libata-transport.h" -/* debounce timing parameters in msecs { interval, duration, timeout } */ -const unsigned long sata_deb_timing_normal[] = { 5, 100, 2000 }; -const unsigned long sata_deb_timing_hotplug[] = { 25, 500, 2000 }; -const unsigned long sata_deb_timing_long[] = { 100, 2000, 5000 }; - const struct ata_port_operations ata_base_port_ops = { .prereset = ata_std_prereset, .postreset = ata_std_postreset, @@ -82,6 +79,7 @@ const struct ata_port_operations sata_port_ops = { .qc_defer = ata_std_qc_defer, .hardreset = sata_std_hardreset, }; +EXPORT_SYMBOL_GPL(sata_port_ops); static unsigned int ata_dev_init_params(struct ata_device *dev, u16 heads, u16 sectors); @@ -91,14 +89,15 @@ static unsigned long ata_dev_blacklisted(const struct ata_device *dev); atomic_t ata_print_id = ATOMIC_INIT(0); +#ifdef CONFIG_ATA_FORCE struct ata_force_param { const char *name; - unsigned int cbl; - int spd_limit; + u8 cbl; + u8 spd_limit; unsigned long xfer_mask; unsigned int horkage_on; unsigned int horkage_off; - unsigned int lflags; + u16 lflags; }; struct ata_force_ent { @@ -110,10 +109,11 @@ struct ata_force_ent { static struct ata_force_ent *ata_force_tbl; static int ata_force_tbl_size; -static char ata_force_param_buf[PAGE_SIZE] __initdata; +static char ata_force_param_buf[COMMAND_LINE_SIZE] __initdata; /* param_buf is thrown away after initialization, disallow read */ module_param_string(force, ata_force_param_buf, sizeof(ata_force_param_buf), 0); MODULE_PARM_DESC(force, "Force ATA configurations including cable type, link speed and transfer mode (see Documentation/admin-guide/kernel-parameters.rst for details)"); +#endif static int atapi_enabled = 1; module_param(atapi_enabled, int, 0444); @@ -224,6 +224,7 @@ struct ata_link *ata_link_next(struct ata_link *link, struct ata_port *ap, return NULL; } +EXPORT_SYMBOL_GPL(ata_link_next); /** * ata_dev_next - device iteration helper @@ -277,6 +278,7 @@ struct ata_device *ata_dev_next(struct ata_device *dev, struct ata_link *link, goto next; return dev; } +EXPORT_SYMBOL_GPL(ata_dev_next); /** * ata_dev_phys_link - find physical link for a device @@ -303,6 +305,7 @@ struct ata_link *ata_dev_phys_link(struct ata_device *dev) return ap->slave_link; } +#ifdef CONFIG_ATA_FORCE /** * ata_force_cbl - force cable type according to libata.force * @ap: ATA port of interest @@ -483,6 +486,11 @@ static void ata_force_horkage(struct ata_device *dev) fe->param.name); } } +#else +static inline void ata_force_link_limits(struct ata_link *link) { } +static inline void ata_force_xfermask(struct ata_device *dev) { } +static inline void ata_force_horkage(struct ata_device *dev) { } +#endif /** * atapi_cmd_type - Determine ATAPI command type from SCSI opcode @@ -521,79 +529,7 @@ int atapi_cmd_type(u8 opcode) return ATAPI_MISC; } } - -/** - * ata_tf_to_fis - Convert ATA taskfile to SATA FIS structure - * @tf: Taskfile to convert - * @pmp: Port multiplier port - * @is_cmd: This FIS is for command - * @fis: Buffer into which data will output - * - * Converts a standard ATA taskfile to a Serial ATA - * FIS structure (Register - Host to Device). - * - * LOCKING: - * Inherited from caller. - */ -void ata_tf_to_fis(const struct ata_taskfile *tf, u8 pmp, int is_cmd, u8 *fis) -{ - fis[0] = 0x27; /* Register - Host to Device FIS */ - fis[1] = pmp & 0xf; /* Port multiplier number*/ - if (is_cmd) - fis[1] |= (1 << 7); /* bit 7 indicates Command FIS */ - - fis[2] = tf->command; - fis[3] = tf->feature; - - fis[4] = tf->lbal; - fis[5] = tf->lbam; - fis[6] = tf->lbah; - fis[7] = tf->device; - - fis[8] = tf->hob_lbal; - fis[9] = tf->hob_lbam; - fis[10] = tf->hob_lbah; - fis[11] = tf->hob_feature; - - fis[12] = tf->nsect; - fis[13] = tf->hob_nsect; - fis[14] = 0; - fis[15] = tf->ctl; - - fis[16] = tf->auxiliary & 0xff; - fis[17] = (tf->auxiliary >> 8) & 0xff; - fis[18] = (tf->auxiliary >> 16) & 0xff; - fis[19] = (tf->auxiliary >> 24) & 0xff; -} - -/** - * ata_tf_from_fis - Convert SATA FIS to ATA taskfile - * @fis: Buffer from which data will be input - * @tf: Taskfile to output - * - * Converts a serial ATA FIS structure to a standard ATA taskfile. - * - * LOCKING: - * Inherited from caller. - */ - -void ata_tf_from_fis(const u8 *fis, struct ata_taskfile *tf) -{ - tf->command = fis[2]; /* status */ - tf->feature = fis[3]; /* error */ - - tf->lbal = fis[4]; - tf->lbam = fis[5]; - tf->lbah = fis[6]; - tf->device = fis[7]; - - tf->hob_lbal = fis[8]; - tf->hob_lbam = fis[9]; - tf->hob_lbah = fis[10]; - - tf->nsect = fis[12]; - tf->hob_nsect = fis[13]; -} +EXPORT_SYMBOL_GPL(atapi_cmd_type); static const u8 ata_rw_cmds[] = { /* pio multi */ @@ -868,6 +804,7 @@ unsigned long ata_pack_xfermask(unsigned long pio_mask, ((mwdma_mask << ATA_SHIFT_MWDMA) & ATA_MASK_MWDMA) | ((udma_mask << ATA_SHIFT_UDMA) & ATA_MASK_UDMA); } +EXPORT_SYMBOL_GPL(ata_pack_xfermask); /** * ata_unpack_xfermask - Unpack xfer_mask into pio, mwdma and udma masks @@ -923,6 +860,7 @@ u8 ata_xfer_mask2mode(unsigned long xfer_mask) return ent->base + highbit - ent->shift; return 0xff; } +EXPORT_SYMBOL_GPL(ata_xfer_mask2mode); /** * ata_xfer_mode2mask - Find matching xfer_mask for XFER_* @@ -946,6 +884,7 @@ unsigned long ata_xfer_mode2mask(u8 xfer_mode) & ~((1 << ent->shift) - 1); return 0; } +EXPORT_SYMBOL_GPL(ata_xfer_mode2mask); /** * ata_xfer_mode2shift - Find matching xfer_shift for XFER_* @@ -968,6 +907,7 @@ int ata_xfer_mode2shift(unsigned long xfer_mode) return ent->shift; return -1; } +EXPORT_SYMBOL_GPL(ata_xfer_mode2shift); /** * ata_mode_string - convert xfer_mask to string @@ -1014,6 +954,7 @@ const char *ata_mode_string(unsigned long xfer_mask) return xfer_mode_str[highbit]; return "<n/a>"; } +EXPORT_SYMBOL_GPL(ata_mode_string); const char *sata_spd_string(unsigned int spd) { @@ -1094,6 +1035,7 @@ unsigned int ata_dev_classify(const struct ata_taskfile *tf) DPRINTK("unknown device\n"); return ATA_DEV_UNKNOWN; } +EXPORT_SYMBOL_GPL(ata_dev_classify); /** * ata_id_string - Convert IDENTIFY DEVICE page into string @@ -1130,6 +1072,7 @@ void ata_id_string(const u16 *id, unsigned char *s, len -= 2; } } +EXPORT_SYMBOL_GPL(ata_id_string); /** * ata_id_c_string - Convert IDENTIFY DEVICE page into C string @@ -1157,6 +1100,7 @@ void ata_id_c_string(const u16 *id, unsigned char *s, p--; *p = '\0'; } +EXPORT_SYMBOL_GPL(ata_id_c_string); static u64 ata_id_n_sectors(const u16 *id) { @@ -1514,6 +1458,7 @@ unsigned long ata_id_xfermask(const u16 *id) return ata_pack_xfermask(pio_mask, mwdma_mask, udma_mask); } +EXPORT_SYMBOL_GPL(ata_id_xfermask); static void ata_qc_complete_internal(struct ata_queued_cmd *qc) { @@ -1771,6 +1716,7 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev) return 1; return 0; } +EXPORT_SYMBOL_GPL(ata_pio_need_iordy); /** * ata_pio_mask_no_iordy - Return the non IORDY mask @@ -1811,6 +1757,7 @@ unsigned int ata_do_dev_read_id(struct ata_device *dev, return ata_exec_internal(dev, tf, NULL, DMA_FROM_DEVICE, id, sizeof(id[0]) * ATA_ID_WORDS, 0); } +EXPORT_SYMBOL_GPL(ata_do_dev_read_id); /** * ata_dev_read_id - Read ID data from the specified device @@ -2265,6 +2212,8 @@ static int ata_dev_config_ncq(struct ata_device *dev, desc[0] = '\0'; return 0; } + if (!IS_ENABLED(CONFIG_SATA_HOST)) + return 0; if (dev->horkage & ATA_HORKAGE_NONCQ) { snprintf(desc, desc_sz, "NCQ (not used)"); return 0; @@ -2783,6 +2732,7 @@ int ata_cable_40wire(struct ata_port *ap) { return ATA_CBL_PATA40; } +EXPORT_SYMBOL_GPL(ata_cable_40wire); /** * ata_cable_80wire - return 80 wire cable type @@ -2796,6 +2746,7 @@ int ata_cable_80wire(struct ata_port *ap) { return ATA_CBL_PATA80; } +EXPORT_SYMBOL_GPL(ata_cable_80wire); /** * ata_cable_unknown - return unknown PATA cable. @@ -2808,6 +2759,7 @@ int ata_cable_unknown(struct ata_port *ap) { return ATA_CBL_PATA_UNK; } +EXPORT_SYMBOL_GPL(ata_cable_unknown); /** * ata_cable_ignore - return ignored PATA cable. @@ -2820,6 +2772,7 @@ int ata_cable_ignore(struct ata_port *ap) { return ATA_CBL_PATA_IGN; } +EXPORT_SYMBOL_GPL(ata_cable_ignore); /** * ata_cable_sata - return SATA cable type @@ -2832,6 +2785,7 @@ int ata_cable_sata(struct ata_port *ap) { return ATA_CBL_SATA; } +EXPORT_SYMBOL_GPL(ata_cable_sata); /** * ata_bus_probe - Reset and probe ATA bus @@ -3014,6 +2968,7 @@ struct ata_device *ata_dev_pair(struct ata_device *adev) return NULL; return pair; } +EXPORT_SYMBOL_GPL(ata_dev_pair); /** * sata_down_spd_limit - adjust SATA spd limit downward @@ -3095,252 +3050,7 @@ int sata_down_spd_limit(struct ata_link *link, u32 spd_limit) return 0; } -static int __sata_set_spd_needed(struct ata_link *link, u32 *scontrol) -{ - struct ata_link *host_link = &link->ap->link; - u32 limit, target, spd; - - limit = link->sata_spd_limit; - - /* Don't configure downstream link faster than upstream link. - * It doesn't speed up anything and some PMPs choke on such - * configuration. - */ - if (!ata_is_host_link(link) && host_link->sata_spd) - limit &= (1 << host_link->sata_spd) - 1; - - if (limit == UINT_MAX) - target = 0; - else - target = fls(limit); - - spd = (*scontrol >> 4) & 0xf; - *scontrol = (*scontrol & ~0xf0) | ((target & 0xf) << 4); - - return spd != target; -} - -/** - * sata_set_spd_needed - is SATA spd configuration needed - * @link: Link in question - * - * Test whether the spd limit in SControl matches - * @link->sata_spd_limit. This function is used to determine - * whether hardreset is necessary to apply SATA spd - * configuration. - * - * LOCKING: - * Inherited from caller. - * - * RETURNS: - * 1 if SATA spd configuration is needed, 0 otherwise. - */ -static int sata_set_spd_needed(struct ata_link *link) -{ - u32 scontrol; - - if (sata_scr_read(link, SCR_CONTROL, &scontrol)) - return 1; - - return __sata_set_spd_needed(link, &scontrol); -} - -/** - * sata_set_spd - set SATA spd according to spd limit - * @link: Link to set SATA spd for - * - * Set SATA spd of @link according to sata_spd_limit. - * - * LOCKING: - * Inherited from caller. - * - * RETURNS: - * 0 if spd doesn't need to be changed, 1 if spd has been - * changed. Negative errno if SCR registers are inaccessible. - */ -int sata_set_spd(struct ata_link *link) -{ - u32 scontrol; - int rc; - - if ((rc = sata_scr_read(link, SCR_CONTROL, &scontrol))) - return rc; - - if (!__sata_set_spd_needed(link, &scontrol)) - return 0; - - if ((rc = sata_scr_write(link, SCR_CONTROL, scontrol))) - return rc; - - return 1; -} - -/* - * This mode timing computation functionality is ported over from - * drivers/ide/ide-timing.h and was originally written by Vojtech Pavlik - */ -/* - * PIO 0-4, MWDMA 0-2 and UDMA 0-6 timings (in nanoseconds). - * These were taken from ATA/ATAPI-6 standard, rev 0a, except - * for UDMA6, which is currently supported only by Maxtor drives. - * - * For PIO 5/6 MWDMA 3/4 see the CFA specification 3.0. - */ - -static const struct ata_timing ata_timing[] = { -/* { XFER_PIO_SLOW, 120, 290, 240, 960, 290, 240, 0, 960, 0 }, */ - { XFER_PIO_0, 70, 290, 240, 600, 165, 150, 0, 600, 0 }, - { XFER_PIO_1, 50, 290, 93, 383, 125, 100, 0, 383, 0 }, - { XFER_PIO_2, 30, 290, 40, 330, 100, 90, 0, 240, 0 }, - { XFER_PIO_3, 30, 80, 70, 180, 80, 70, 0, 180, 0 }, - { XFER_PIO_4, 25, 70, 25, 120, 70, 25, 0, 120, 0 }, - { XFER_PIO_5, 15, 65, 25, 100, 65, 25, 0, 100, 0 }, - { XFER_PIO_6, 10, 55, 20, 80, 55, 20, 0, 80, 0 }, - - { XFER_SW_DMA_0, 120, 0, 0, 0, 480, 480, 50, 960, 0 }, - { XFER_SW_DMA_1, 90, 0, 0, 0, 240, 240, 30, 480, 0 }, - { XFER_SW_DMA_2, 60, 0, 0, 0, 120, 120, 20, 240, 0 }, - - { XFER_MW_DMA_0, 60, 0, 0, 0, 215, 215, 20, 480, 0 }, - { XFER_MW_DMA_1, 45, 0, 0, 0, 80, 50, 5, 150, 0 }, - { XFER_MW_DMA_2, 25, 0, 0, 0, 70, 25, 5, 120, 0 }, - { XFER_MW_DMA_3, 25, 0, 0, 0, 65, 25, 5, 100, 0 }, - { XFER_MW_DMA_4, 25, 0, 0, 0, 55, 20, 5, 80, 0 }, - -/* { XFER_UDMA_SLOW, 0, 0, 0, 0, 0, 0, 0, 0, 150 }, */ - { XFER_UDMA_0, 0, 0, 0, 0, 0, 0, 0, 0, 120 }, - { XFER_UDMA_1, 0, 0, 0, 0, 0, 0, 0, 0, 80 }, - { XFER_UDMA_2, 0, 0, 0, 0, 0, 0, 0, 0, 60 }, - { XFER_UDMA_3, 0, 0, 0, 0, 0, 0, 0, 0, 45 }, - { XFER_UDMA_4, 0, 0, 0, 0, 0, 0, 0, 0, 30 }, - { XFER_UDMA_5, 0, 0, 0, 0, 0, 0, 0, 0, 20 }, - { XFER_UDMA_6, 0, 0, 0, 0, 0, 0, 0, 0, 15 }, - - { 0xFF } -}; - -#define ENOUGH(v, unit) (((v)-1)/(unit)+1) -#define EZ(v, unit) ((v)?ENOUGH(((v) * 1000), unit):0) - -static void ata_timing_quantize(const struct ata_timing *t, struct ata_timing *q, int T, int UT) -{ - q->setup = EZ(t->setup, T); - q->act8b = EZ(t->act8b, T); - q->rec8b = EZ(t->rec8b, T); - q->cyc8b = EZ(t->cyc8b, T); - q->active = EZ(t->active, T); - q->recover = EZ(t->recover, T); |