#ifndef _GNUMACH_AHCI_H #define _GNUMACH_AHCI_H extern void ahci_probe_pci(void); /* From linux 3.9's drivers/ata/ahci.h */ /* * ahci.h - Common AHCI SATA definitions and declarations * * Maintained by: Jeff Garzik * Please ALWAYS copy linux-ide@vger.kernel.org * on emails. * * Copyright 2004-2005 Red Hat, Inc. * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * * * libata documentation is available via 'make {ps|pdf}docs', * as Documentation/DocBook/libata.* * * AHCI hardware documentation: * http://www.intel.com/technology/serialata/pdf/rev1_0.pdf * http://www.intel.com/technology/serialata/pdf/rev1_1.pdf * */ enum { AHCI_MAX_PORTS = 32, AHCI_MAX_SG = 168, /* hardware max is 64K */ AHCI_DMA_BOUNDARY = 0xffffffff, AHCI_MAX_CMDS = 32, AHCI_CMD_SZ = 32, AHCI_CMD_SLOT_SZ = AHCI_MAX_CMDS * AHCI_CMD_SZ, AHCI_RX_FIS_SZ = 256, AHCI_CMD_TBL_CDB = 0x40, AHCI_CMD_TBL_HDR_SZ = 0x80, AHCI_CMD_TBL_SZ = AHCI_CMD_TBL_HDR_SZ + (AHCI_MAX_SG * 16), AHCI_CMD_TBL_AR_SZ = AHCI_CMD_TBL_SZ * AHCI_MAX_CMDS, AHCI_PORT_PRIV_DMA_SZ = AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_AR_SZ + AHCI_RX_FIS_SZ, AHCI_PORT_PRIV_FBS_DMA_SZ = AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_AR_SZ + (AHCI_RX_FIS_SZ * 16), AHCI_IRQ_ON_SG = (1 << 31), AHCI_CMD_ATAPI = (1 << 5), AHCI_CMD_WRITE = (1 << 6), AHCI_CMD_PREFETCH = (1 << 7), AHCI_CMD_RESET = (1 << 8), AHCI_CMD_CLR_BUSY = (1 << 10), RX_FIS_PIO_SETUP = 0x20, /* offset of PIO Setup FIS data */ RX_FIS_D2H_REG = 0x40, /* offset of D2H Register FIS data */ RX_FIS_SDB = 0x58, /* offset of SDB FIS data */ RX_FIS_UNK = 0x60, /* offset of Unknown FIS data */ /* global controller registers */ HOST_CAP = 0x00, /* host capabilities */ HOST_CTL = 0x04, /* global host control */ HOST_IRQ_STAT = 0x08, /* interrupt status */ HOST_PORTS_IMPL = 0x0c, /* bitmap of implemented ports */ HOST_VERSION = 0x10, /* AHCI spec. version compliancy */ HOST_EM_LOC = 0x1c, /* Enclosure Management location */ HOST_EM_CTL = 0x20, /* Enclosure Management Control */ HOST_CAP2 = 0x24, /* host capabilities, extended */ /* HOST_CTL bits */ HOST_RESET = (1 << 0), /* reset controller; self-clear */ HOST_IRQ_EN = (1 << 1), /* global IRQ enable */ HOST_AHCI_EN = (1 << 31), /* AHCI enabled */ /* HOST_CAP bits */ HOST_CAP_SXS = (1 << 5), /* Supports External SATA */ HOST_CAP_EMS = (1 << 6), /* Enclosure Management support */ HOST_CAP_CCC = (1 << 7), /* Command Completion Coalescing */ HOST_CAP_PART = (1 << 13), /* Partial state capable */ HOST_CAP_SSC = (1 << 14), /* Slumber state capable */ HOST_CAP_PIO_MULTI = (1 << 15), /* PIO multiple DRQ support */ HOST_CAP_FBS = (1 << 16), /* FIS-based switching support */ HOST_CAP_PMP = (1 << 17), /* Port Multiplier support */ HOST_CAP_ONLY = (1 << 18), /* Supports AHCI mode only */ HOST_CAP_CLO = (1 << 24), /* Command List Override support */ HOST_CAP_LED = (1 << 25), /* Supports activity LED */ HOST_CAP_ALPM = (1 << 26), /* Aggressive Link PM support */ HOST_CAP_SSS = (1 << 27), /* Staggered Spin-up */ HOST_CAP_MPS = (1 << 28), /* Mechanical presence switch */ HOST_CAP_SNTF = (1 << 29), /* SNotification register */ HOST_CAP_NCQ = (1 << 30), /* Native Command Queueing */ HOST_CAP_64 = (1 << 31), /* PCI DAC (64-bit DMA) support */ /* HOST_CAP2 bits */ HOST_CAP2_BOH = (1 << 0), /* BIOS/OS handoff supported */ HOST_CAP2_NVMHCI = (1 << 1), /* NVMHCI supported */ HOST_CAP2_APST = (1 << 2), /* Automatic partial to slumber */ HOST_CAP2_SDS = (1 << 3), /* Support device sleep */ HOST_CAP2_SADM = (1 << 4), /* Support aggressive DevSlp */ HOST_CAP2_DESO = (1 << 5), /* DevSlp from slumber only */ /* registers for each SATA port */ PORT_LST_ADDR = 0x00, /* command list DMA addr */ PORT_LST_ADDR_HI = 0x04, /* command list DMA addr hi */ PORT_FIS_ADDR = 0x08, /* FIS rx buf addr */ PORT_FIS_ADDR_HI = 0x0c, /* FIS rx buf addr hi */ PORT_IRQ_STAT = 0x10, /* interrupt status */ PORT_IRQ_MASK = 0x14, /* interrupt enable/disable mask */ PORT_CMD = 0x18, /* port command */ PORT_TFDATA = 0x20, /* taskfile data */ PORT_SIG = 0x24, /* device TF signature */ PORT_CMD_ISSUE = 0x38, /* command issue */ PORT_SCR_STAT = 0x28, /* SATA phy register: SStatus */ PORT_SCR_CTL = 0x2c, /* SATA phy register: SControl */ PORT_SCR_ERR = 0x30, /* SATA phy register: SError */ PORT_SCR_ACT = 0x34, /* SATA phy register: SActive */ PORT_SCR_NTF = 0x3c, /* SATA phy register: SNotification */ PORT_FBS = 0x40, /* FIS-based Switching */ PORT_DEVSLP = 0x44, /* device sleep */ /* PORT_IRQ_{STAT,MASK} bits */ PORT_IRQ_COLD_PRES = (1 << 31), /* cold presence detect */ PORT_IRQ_TF_ERR = (1 << 30), /* task file error */ PORT_IRQ_HBUS_ERR = (1 << 29), /* host bus fatal error */ PORT_IRQ_HBUS_DATA_ERR = (1 << 28), /* host bus data error */ PORT_IRQ_IF_ERR = (1 << 27), /* interface fatal error */ PORT_IRQ_IF_NONFATAL = (1 << 26), /* interface non-fatal error */ PORT_IRQ_OVERFLOW = (1 << 24), /* xfer exhausted available S/G */ PORT_IRQ_BAD_PMP = (1 << 23), /* incorrect port multiplier */ PORT_IRQ_PHYRDY = (1 << 22), /* PhyRdy changed */ PORT_IRQ_DEV_ILCK = (1 << 7), /* device interlock */ PORT_IRQ_CONNECT = (1 << 6), /* port connect change status */ PORT_IRQ_SG_DONE = (1 << 5), /* descriptor processed */ PORT_IRQ_UNK_FIS = (1 << 4), /* unknown FIS rx'd */ PORT_IRQ_SDB_FIS = (1 << 3), /* Set Device Bits FIS rx'd */ PORT_IRQ_DMAS_FIS = (1 << 2), /* DMA Setup FIS rx'd */ PORT_IRQ_PIOS_FIS = (1 << 1), /* PIO Setup FIS rx'd */ PORT_IRQ_D2H_REG_FIS = (1 << 0), /* D2H Register FIS rx'd */ PORT_IRQ_FREEZE = PORT_IRQ_HBUS_ERR | PORT_IRQ_IF_ERR | PORT_IRQ_CONNECT | PORT_IRQ_PHYRDY | PORT_IRQ_UNK_FIS | PORT_IRQ_BAD_PMP, PORT_IRQ_ERROR = PORT_IRQ_FREEZE | PORT_IRQ_TF_ERR | PORT_IRQ_HBUS_DATA_ERR, DEF_PORT_IRQ = PORT_IRQ_ERROR | PORT_IRQ_SG_DONE | PORT_IRQ_SDB_FIS | PORT_IRQ_DMAS_FIS | PORT_IRQ_PIOS_FIS | PORT_IRQ_D2H_REG_FIS, /* PORT_CMD bits */ PORT_CMD_ASP = (1 << 27), /* Aggressive Slumber/Partial */ PORT_CMD_ALPE = (1 << 26), /* Aggressive Link PM enable */ PORT_CMD_ATAPI = (1 << 24), /* Device is ATAPI */ PORT_CMD_FBSCP = (1 << 22), /* FBS Capable Port */ PORT_CMD_PMP = (1 << 17), /* PMP attached */ PORT_CMD_LIST_ON = (1 << 15), /* cmd list DMA engine running */ PORT_CMD_FIS_ON = (1 << 14), /* FIS DMA engine running */ PORT_CMD_FIS_RX = (1 << 4), /* Enable FIS receive DMA engine */ PORT_CMD_CLO = (1 << 3), /* Command list override */ PORT_CMD_POWER_ON = (1 << 2), /* Power up device */ PORT_CMD_SPIN_UP = (1 << 1), /* Spin up device */ PORT_CMD_START = (1 << 0), /* Enable port DMA engine */ PORT_CMD_ICC_MASK = (0xf << 28), /* i/f ICC state mask */ PORT_CMD_ICC_ACTIVE = (0x1 << 28), /* Put i/f in active state */ PORT_CMD_ICC_PARTIAL = (0x2 << 28), /* Put i/f in partial state */ PORT_CMD_ICC_SLUMBER = (0x6 << 28), /* Put i/f in slumber state */ /* PORT_FBS bits */ PORT_FBS_DWE_OFFSET = 16, /* FBS device with error offset */ PORT_FBS_ADO_OFFSET = 12, /* FBS active dev optimization offset */ PORT_FBS_DEV_OFFSET = 8, /* FBS device to issue offset */ PORT_FBS_DEV_MASK = (0xf << PORT_FBS_DEV_OFFSET), /* FBS.DEV */ PORT_FBS_SDE = (1 << 2), /* FBS single device error */ PORT_FBS_DEC = (1 << 1), /* FBS device error clear */ PORT_FBS_EN = (1 << 0), /* Enable FBS */ /* PORT_DEVSLP bits */ PORT_DEVSLP_DM_OFFSET = 25, /* DITO multiplier offset */ PORT_DEVSLP_DM_MASK = (0xf << 25), /* DITO multiplier mask */ PORT_DEVSLP_DITO_OFFSET = 15, /* DITO offset */ PORT_DEVSLP_MDAT_OFFSET = 10, /* Minimum assertion time */ PORT_DEVSLP_DETO_OFFSET = 2, /* DevSlp exit timeout */ PORT_DEVSLP_DSP = (1 << 1), /* DevSlp present */ PORT_DEVSLP_ADSE = (1 << 0), /* Aggressive DevSlp enable */ /* hpriv->flags bits */ #define AHCI_HFLAGS(flags) .private_data = (void *)(flags) AHCI_HFLAG_NO_NCQ = (1 << 0), AHCI_HFLAG_IGN_IRQ_IF_ERR = (1 << 1), /* ignore IRQ_IF_ERR */ AHCI_HFLAG_IGN_SERR_INTERNAL = (1 << 2), /* ignore SERR_INTERNAL */ AHCI_HFLAG_32BIT_ONLY = (1 << 3), /* force 32bit */ AHCI_HFLAG_MV_PATA = (1 << 4), /* PATA port */ AHCI_HFLAG_NO_MSI = (1 << 5), /* no PCI MSI */ AHCI_HFLAG_NO_PMP = (1 << 6), /* no PMP */ AHCI_HFLAG_SECT255 = (1 << 8), /* max 255 sectors */ AHCI_HFLAG_YES_NCQ = (1 << 9), /* force NCQ cap on */ AHCI_HFLAG_NO_SUSPEND = (1 << 10), /* don't suspend */ AHCI_HFLAG_SRST_TOUT_IS_OFFLINE = (1 << 11), /* treat SRST timeout as link offline */ AHCI_HFLAG_NO_SNTF = (1 << 12), /* no sntf */ AHCI_HFLAG_NO_FPDMA_AA = (1 << 13), /* no FPDMA AA */ AHCI_HFLAG_YES_FBS = (1 << 14), /* force FBS cap on */ AHCI_HFLAG_DELAY_ENGINE = (1 << 15), /* do not start engine on port start (wait until error-handling stage) */ AHCI_HFLAG_MULTI_MSI = (1 << 16), /* multiple PCI MSIs */ /* ap->flags bits */ /* AHCI_FLAG_COMMON = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA | ATA_FLAG_ACPI_SATA | ATA_FLAG_AN, */ ICH_MAP = 0x90, /* ICH MAP register */ /* em constants */ EM_MAX_SLOTS = 8, EM_MAX_RETRY = 5, /* em_ctl bits */ EM_CTL_RST = (1 << 9), /* Reset */ EM_CTL_TM = (1 << 8), /* Transmit Message */ EM_CTL_MR = (1 << 0), /* Message Received */ EM_CTL_ALHD = (1 << 26), /* Activity LED */ EM_CTL_XMT = (1 << 25), /* Transmit Only */ EM_CTL_SMB = (1 << 24), /* Single Message Buffer */ EM_CTL_SGPIO = (1 << 19), /* SGPIO messages supported */ EM_CTL_SES = (1 << 18), /* SES-2 messages supported */ EM_CTL_SAFTE = (1 << 17), /* SAF-TE messages supported */ EM_CTL_LED = (1 << 16), /* LED messages supported */ /* em message type */ EM_MSG_TYPE_LED = (1 << 0), /* LED */ EM_MSG_TYPE_SAFTE = (1 << 1), /* SAF-TE */ EM_MSG_TYPE_SES2 = (1 << 2), /* SES-2 */ EM_MSG_TYPE_SGPIO = (1 << 3), /* SGPIO */ FIS_TYPE_REG_H2D = 0x27, FIS_TYPE_REG_D2H = 0x34, FIS_TYPE_DMA_ACT = 0x39, FIS_TYPE_DMA_SETUP = 0x41, FIS_TYPE_DATA = 0x46, FIS_TYPE_BIST = 0x58, FIS_TYPE_PIO_SETUP = 0x5F, FIS_TYPE_DEV_BITS = 0xA1, }; /* End from linux 3.9 */ #endif /* _GNUMACH_AHCI_H */