ahci_pci.c revision 322572
1195534Sscottl/*- 2238805Smav * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org> 3195534Sscottl * All rights reserved. 4195534Sscottl * 5195534Sscottl * Redistribution and use in source and binary forms, with or without 6195534Sscottl * modification, are permitted provided that the following conditions 7195534Sscottl * are met: 8195534Sscottl * 1. Redistributions of source code must retain the above copyright 9195534Sscottl * notice, this list of conditions and the following disclaimer, 10195534Sscottl * without modification, immediately at the beginning of the file. 11195534Sscottl * 2. Redistributions in binary form must reproduce the above copyright 12195534Sscottl * notice, this list of conditions and the following disclaimer in the 13195534Sscottl * documentation and/or other materials provided with the distribution. 14195534Sscottl * 15195534Sscottl * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16195534Sscottl * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17195534Sscottl * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18195534Sscottl * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19195534Sscottl * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20195534Sscottl * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21195534Sscottl * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22195534Sscottl * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23195534Sscottl * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24195534Sscottl * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25195534Sscottl */ 26195534Sscottl 27195534Sscottl#include <sys/cdefs.h> 28195534Sscottl__FBSDID("$FreeBSD: stable/11/sys/dev/ahci/ahci_pci.c 322572 2017-08-16 10:28:34Z mav $"); 29195534Sscottl 30195534Sscottl#include <sys/param.h> 31195534Sscottl#include <sys/module.h> 32195534Sscottl#include <sys/systm.h> 33195534Sscottl#include <sys/kernel.h> 34195534Sscottl#include <sys/bus.h> 35220576Smav#include <sys/conf.h> 36195534Sscottl#include <sys/endian.h> 37195534Sscottl#include <sys/malloc.h> 38195534Sscottl#include <sys/lock.h> 39195534Sscottl#include <sys/mutex.h> 40195534Sscottl#include <machine/stdarg.h> 41195534Sscottl#include <machine/resource.h> 42195534Sscottl#include <machine/bus.h> 43195534Sscottl#include <sys/rman.h> 44195534Sscottl#include <dev/pci/pcivar.h> 45195534Sscottl#include <dev/pci/pcireg.h> 46195534Sscottl#include "ahci.h" 47195534Sscottl 48271146Simpstatic int force_ahci = 1; 49271146SimpTUNABLE_INT("hw.ahci.force", &force_ahci); 50195534Sscottl 51276344Smariusstatic const struct { 52199176Smav uint32_t id; 53203030Smav uint8_t rev; 54199176Smav const char *name; 55199322Smav int quirks; 56199176Smav} ahci_ids[] = { 57271146Simp {0x43801002, 0x00, "AMD SB600", 58278034Ssmh AHCI_Q_NOMSI | AHCI_Q_ATI_PMP_BUG | AHCI_Q_MAXIO_64K}, 59278034Ssmh {0x43901002, 0x00, "AMD SB7x0/SB8x0/SB9x0", 60278034Ssmh AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI}, 61278034Ssmh {0x43911002, 0x00, "AMD SB7x0/SB8x0/SB9x0", 62278034Ssmh AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI}, 63278034Ssmh {0x43921002, 0x00, "AMD SB7x0/SB8x0/SB9x0", 64278034Ssmh AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI}, 65278034Ssmh {0x43931002, 0x00, "AMD SB7x0/SB8x0/SB9x0", 66278034Ssmh AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI}, 67278034Ssmh {0x43941002, 0x00, "AMD SB7x0/SB8x0/SB9x0", 68278034Ssmh AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI}, 69271146Simp /* Not sure SB8x0/SB9x0 needs this quirk. Be conservative though */ 70271146Simp {0x43951002, 0x00, "AMD SB8x0/SB9x0", AHCI_Q_ATI_PMP_BUG}, 71244146Smav {0x78001022, 0x00, "AMD Hudson-2", 0}, 72244146Smav {0x78011022, 0x00, "AMD Hudson-2", 0}, 73244146Smav {0x78021022, 0x00, "AMD Hudson-2", 0}, 74244146Smav {0x78031022, 0x00, "AMD Hudson-2", 0}, 75244146Smav {0x78041022, 0x00, "AMD Hudson-2", 0}, 76317673Smav {0x06011b21, 0x00, "ASMedia ASM1060", AHCI_Q_NOCCS|AHCI_Q_NOAUX}, 77317673Smav {0x06021b21, 0x00, "ASMedia ASM1060", AHCI_Q_NOCCS|AHCI_Q_NOAUX}, 78317673Smav {0x06111b21, 0x00, "ASMedia ASM1061", AHCI_Q_NOCCS|AHCI_Q_NOAUX}, 79317673Smav {0x06121b21, 0x00, "ASMedia ASM1062", AHCI_Q_NOCCS|AHCI_Q_NOAUX}, 80317673Smav {0x06201b21, 0x00, "ASMedia ASM106x", AHCI_Q_NOCCS|AHCI_Q_NOAUX}, 81317673Smav {0x06211b21, 0x00, "ASMedia ASM106x", AHCI_Q_NOCCS|AHCI_Q_NOAUX}, 82317673Smav {0x06221b21, 0x00, "ASMedia ASM106x", AHCI_Q_NOCCS|AHCI_Q_NOAUX}, 83317673Smav {0x06241b21, 0x00, "ASMedia ASM106x", AHCI_Q_NOCCS|AHCI_Q_NOAUX}, 84317673Smav {0x06251b21, 0x00, "ASMedia ASM106x", AHCI_Q_NOCCS|AHCI_Q_NOAUX}, 85203030Smav {0x26528086, 0x00, "Intel ICH6", AHCI_Q_NOFORCE}, 86203030Smav {0x26538086, 0x00, "Intel ICH6M", AHCI_Q_NOFORCE}, 87203030Smav {0x26818086, 0x00, "Intel ESB2", 0}, 88203030Smav {0x26828086, 0x00, "Intel ESB2", 0}, 89203030Smav {0x26838086, 0x00, "Intel ESB2", 0}, 90203030Smav {0x27c18086, 0x00, "Intel ICH7", 0}, 91203030Smav {0x27c38086, 0x00, "Intel ICH7", 0}, 92203030Smav {0x27c58086, 0x00, "Intel ICH7M", 0}, 93203030Smav {0x27c68086, 0x00, "Intel ICH7M", 0}, 94203030Smav {0x28218086, 0x00, "Intel ICH8", 0}, 95322572Smav {0x28228086, 0x00, "Intel ICH8+ (RAID)", 0}, 96203030Smav {0x28248086, 0x00, "Intel ICH8", 0}, 97203030Smav {0x28298086, 0x00, "Intel ICH8M", 0}, 98322572Smav {0x282a8086, 0x00, "Intel ICH8M+ (RAID)", 0}, 99203030Smav {0x29228086, 0x00, "Intel ICH9", 0}, 100203030Smav {0x29238086, 0x00, "Intel ICH9", 0}, 101203030Smav {0x29248086, 0x00, "Intel ICH9", 0}, 102203030Smav {0x29258086, 0x00, "Intel ICH9", 0}, 103203030Smav {0x29278086, 0x00, "Intel ICH9", 0}, 104203030Smav {0x29298086, 0x00, "Intel ICH9M", 0}, 105203030Smav {0x292a8086, 0x00, "Intel ICH9M", 0}, 106203030Smav {0x292b8086, 0x00, "Intel ICH9M", 0}, 107203030Smav {0x292c8086, 0x00, "Intel ICH9M", 0}, 108203030Smav {0x292f8086, 0x00, "Intel ICH9M", 0}, 109203030Smav {0x294d8086, 0x00, "Intel ICH9", 0}, 110203030Smav {0x294e8086, 0x00, "Intel ICH9M", 0}, 111322572Smav {0x3a058086, 0x00, "Intel ICH10 (RAID)", 0}, 112203030Smav {0x3a228086, 0x00, "Intel ICH10", 0}, 113322572Smav {0x3a258086, 0x00, "Intel ICH10 (RAID)", 0}, 114211922Smav {0x3b228086, 0x00, "Intel 5 Series/3400 Series", 0}, 115211922Smav {0x3b238086, 0x00, "Intel 5 Series/3400 Series", 0}, 116322572Smav {0x3b258086, 0x00, "Intel 5 Series/3400 Series (RAID)", 0}, 117211922Smav {0x3b298086, 0x00, "Intel 5 Series/3400 Series", 0}, 118322572Smav {0x3b2c8086, 0x00, "Intel 5 Series/3400 Series (RAID)", 0}, 119211922Smav {0x3b2f8086, 0x00, "Intel 5 Series/3400 Series", 0}, 120211922Smav {0x1c028086, 0x00, "Intel Cougar Point", 0}, 121211922Smav {0x1c038086, 0x00, "Intel Cougar Point", 0}, 122322572Smav {0x1c048086, 0x00, "Intel Cougar Point (RAID)", 0}, 123322572Smav {0x1c058086, 0x00, "Intel Cougar Point (RAID)", 0}, 124322572Smav {0x1c068086, 0x00, "Intel Cougar Point (RAID)", 0}, 125218605Smav {0x1d028086, 0x00, "Intel Patsburg", 0}, 126218605Smav {0x1d048086, 0x00, "Intel Patsburg", 0}, 127218605Smav {0x1d068086, 0x00, "Intel Patsburg", 0}, 128322572Smav {0x28268086, 0x00, "Intel Patsburg+ (RAID)", 0}, 129221789Sjfv {0x1e028086, 0x00, "Intel Panther Point", 0}, 130221789Sjfv {0x1e038086, 0x00, "Intel Panther Point", 0}, 131258162Smav {0x1e048086, 0x00, "Intel Panther Point (RAID)", 0}, 132258162Smav {0x1e058086, 0x00, "Intel Panther Point (RAID)", 0}, 133258162Smav {0x1e068086, 0x00, "Intel Panther Point (RAID)", 0}, 134258162Smav {0x1e078086, 0x00, "Intel Panther Point (RAID)", 0}, 135258162Smav {0x1e0e8086, 0x00, "Intel Panther Point (RAID)", 0}, 136258162Smav {0x1e0f8086, 0x00, "Intel Panther Point (RAID)", 0}, 137258162Smav {0x1f228086, 0x00, "Intel Avoton", 0}, 138258162Smav {0x1f238086, 0x00, "Intel Avoton", 0}, 139258162Smav {0x1f248086, 0x00, "Intel Avoton (RAID)", 0}, 140258162Smav {0x1f258086, 0x00, "Intel Avoton (RAID)", 0}, 141258162Smav {0x1f268086, 0x00, "Intel Avoton (RAID)", 0}, 142258162Smav {0x1f278086, 0x00, "Intel Avoton (RAID)", 0}, 143258162Smav {0x1f2e8086, 0x00, "Intel Avoton (RAID)", 0}, 144258162Smav {0x1f2f8086, 0x00, "Intel Avoton (RAID)", 0}, 145258162Smav {0x1f328086, 0x00, "Intel Avoton", 0}, 146258162Smav {0x1f338086, 0x00, "Intel Avoton", 0}, 147258162Smav {0x1f348086, 0x00, "Intel Avoton (RAID)", 0}, 148258162Smav {0x1f358086, 0x00, "Intel Avoton (RAID)", 0}, 149258162Smav {0x1f368086, 0x00, "Intel Avoton (RAID)", 0}, 150258162Smav {0x1f378086, 0x00, "Intel Avoton (RAID)", 0}, 151258162Smav {0x1f3e8086, 0x00, "Intel Avoton (RAID)", 0}, 152258162Smav {0x1f3f8086, 0x00, "Intel Avoton (RAID)", 0}, 153278034Ssmh {0x23a38086, 0x00, "Intel Coleto Creek", 0}, 154244983Sjfv {0x8c028086, 0x00, "Intel Lynx Point", 0}, 155244983Sjfv {0x8c038086, 0x00, "Intel Lynx Point", 0}, 156258162Smav {0x8c048086, 0x00, "Intel Lynx Point (RAID)", 0}, 157258162Smav {0x8c058086, 0x00, "Intel Lynx Point (RAID)", 0}, 158258162Smav {0x8c068086, 0x00, "Intel Lynx Point (RAID)", 0}, 159258162Smav {0x8c078086, 0x00, "Intel Lynx Point (RAID)", 0}, 160258162Smav {0x8c0e8086, 0x00, "Intel Lynx Point (RAID)", 0}, 161258162Smav {0x8c0f8086, 0x00, "Intel Lynx Point (RAID)", 0}, 162275101Smav {0x8c828086, 0x00, "Intel Wildcat Point", 0}, 163275101Smav {0x8c838086, 0x00, "Intel Wildcat Point", 0}, 164275101Smav {0x8c848086, 0x00, "Intel Wildcat Point (RAID)", 0}, 165275101Smav {0x8c858086, 0x00, "Intel Wildcat Point (RAID)", 0}, 166275101Smav {0x8c868086, 0x00, "Intel Wildcat Point (RAID)", 0}, 167275101Smav {0x8c878086, 0x00, "Intel Wildcat Point (RAID)", 0}, 168275101Smav {0x8c8e8086, 0x00, "Intel Wildcat Point (RAID)", 0}, 169275101Smav {0x8c8f8086, 0x00, "Intel Wildcat Point (RAID)", 0}, 170258162Smav {0x8d028086, 0x00, "Intel Wellsburg", 0}, 171258162Smav {0x8d048086, 0x00, "Intel Wellsburg (RAID)", 0}, 172258162Smav {0x8d068086, 0x00, "Intel Wellsburg (RAID)", 0}, 173258162Smav {0x8d628086, 0x00, "Intel Wellsburg", 0}, 174258162Smav {0x8d648086, 0x00, "Intel Wellsburg (RAID)", 0}, 175258162Smav {0x8d668086, 0x00, "Intel Wellsburg (RAID)", 0}, 176258162Smav {0x8d6e8086, 0x00, "Intel Wellsburg (RAID)", 0}, 177322572Smav {0x28238086, 0x00, "Intel Wellsburg+ (RAID)", 0}, 178322572Smav {0x28278086, 0x00, "Intel Wellsburg+ (RAID)", 0}, 179258162Smav {0x9c028086, 0x00, "Intel Lynx Point-LP", 0}, 180258162Smav {0x9c038086, 0x00, "Intel Lynx Point-LP", 0}, 181258162Smav {0x9c048086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 182258162Smav {0x9c058086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 183258162Smav {0x9c068086, 0x00, "Intel Lynx Point-LP 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{0xa1d68086, 0x00, "Intel Lewisburg (RAID)", 0}, 200322572Smav {0xa2028086, 0x00, "Intel Lewisburg", 0}, 201322572Smav {0xa2068086, 0x00, "Intel Lewisburg (RAID)", 0}, 202322572Smav {0xa2528086, 0x00, "Intel Lewisburg", 0}, 203322572Smav {0xa2568086, 0x00, "Intel Lewisburg (RAID)", 0}, 204322572Smav {0xa2828086, 0x00, "Intel Union Point", 0}, 205322572Smav {0xa2868086, 0x00, "Intel Union Point (RAID)", 0}, 206322572Smav {0xa28e8086, 0x00, "Intel Union Point (RAID)", 0}, 207221789Sjfv {0x23238086, 0x00, "Intel DH89xxCC", 0}, 208239907Smav {0x2360197b, 0x00, "JMicron JMB360", 0}, 209304658Savg {0x2361197b, 0x00, "JMicron JMB361", AHCI_Q_NOFORCE | AHCI_Q_1CH}, 210239907Smav {0x2362197b, 0x00, "JMicron JMB362", 0}, 211203030Smav {0x2363197b, 0x00, "JMicron JMB363", AHCI_Q_NOFORCE}, 212203030Smav {0x2365197b, 0x00, "JMicron JMB365", AHCI_Q_NOFORCE}, 213203030Smav {0x2366197b, 0x00, "JMicron JMB366", AHCI_Q_NOFORCE}, 214203030Smav {0x2368197b, 0x00, "JMicron JMB368", AHCI_Q_NOFORCE}, 215285020Smav {0x611111ab, 0x00, "Marvell 88SE6111", AHCI_Q_NOFORCE | AHCI_Q_NOPMP | 216285020Smav AHCI_Q_1CH | AHCI_Q_EDGEIS}, 217285020Smav {0x612111ab, 0x00, "Marvell 88SE6121", AHCI_Q_NOFORCE | AHCI_Q_NOPMP | 218285020Smav AHCI_Q_2CH | AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT}, 219285020Smav {0x614111ab, 0x00, "Marvell 88SE6141", AHCI_Q_NOFORCE | AHCI_Q_NOPMP | 220285020Smav AHCI_Q_4CH | AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT}, 221285020Smav {0x614511ab, 0x00, "Marvell 88SE6145", AHCI_Q_NOFORCE | AHCI_Q_NOPMP | 222285020Smav AHCI_Q_4CH | AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT}, 223271163Smav {0x91201b4b, 0x00, "Marvell 88SE912x", AHCI_Q_EDGEIS}, 224271163Smav {0x91231b4b, 0x11, "Marvell 88SE912x", AHCI_Q_ALTSIG}, 225271163Smav {0x91231b4b, 0x00, "Marvell 88SE912x", AHCI_Q_EDGEIS|AHCI_Q_SATA2}, 226271163Smav {0x91251b4b, 0x00, "Marvell 88SE9125", 0}, 227271163Smav {0x91281b4b, 0x00, "Marvell 88SE9128", AHCI_Q_ALTSIG}, 228271163Smav {0x91301b4b, 0x00, "Marvell 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0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 308207499Smav {0x0d8710de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 309207499Smav {0x0d8810de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 310207499Smav {0x0d8910de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 311207499Smav {0x0d8a10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 312207499Smav {0x0d8b10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 313207499Smav {0x0d8c10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 314207499Smav {0x0d8d10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 315207499Smav {0x0d8e10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 316207499Smav {0x0d8f10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 317271403Smav {0x3781105a, 0x00, "Promise TX8660", 0}, 318208907Smav {0x33491106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ}, 319208907Smav {0x62871106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ}, 320203030Smav {0x11841039, 0x00, "SiS 966", 0}, 321203030Smav {0x11851039, 0x00, "SiS 968", 0}, 322203030Smav {0x01861039, 0x00, "SiS 968", 0}, 323279573Semaste {0xa01c177d, 0x00, "ThunderX", AHCI_Q_ABAR0|AHCI_Q_1MSI}, 324297447Szbb {0x00311c36, 0x00, "Annapurna", AHCI_Q_FORCE_PI|AHCI_Q_RESTORE_CAP|AHCI_Q_NOMSIX}, 325203030Smav {0x00000000, 0x00, NULL, 0} 326199176Smav}; 327199176Smav 328271146Simpstatic int 329271146Simpahci_pci_ctlr_reset(device_t dev) 330271146Simp{ 331220565Smav 332271146Simp if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == 0x28298086 && 333271146Simp (pci_read_config(dev, 0x92, 1) & 0xfe) == 0x04) 334271146Simp pci_write_config(dev, 0x92, 0x01, 1); 335271146Simp return ahci_ctlr_reset(dev); 336271146Simp} 337228200Smav 338195534Sscottlstatic int 339195534Sscottlahci_probe(device_t dev) 340195534Sscottl{ 341199176Smav char buf[64]; 342199322Smav int i, valid = 0; 343199322Smav uint32_t devid = pci_get_devid(dev); 344203030Smav uint8_t revid = pci_get_revid(dev); 345199322Smav 346260163Szbb /* 347260163Szbb * Ensure it is not a PCI bridge (some vendors use 348260163Szbb * the same PID and VID in PCI bridge and AHCI cards). 349260163Szbb */ 350260163Szbb if (pci_get_class(dev) == PCIC_BRIDGE) 351260163Szbb return (ENXIO); 352260163Szbb 353199322Smav /* Is this a possible AHCI candidate? */ 354199322Smav if (pci_get_class(dev) == PCIC_STORAGE && 355199322Smav pci_get_subclass(dev) == PCIS_STORAGE_SATA && 356199322Smav pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0) 357199322Smav valid = 1; 358288111Smav else if (pci_get_class(dev) == PCIC_STORAGE && 359288111Smav pci_get_subclass(dev) == PCIS_STORAGE_RAID) 360288111Smav valid = 2; 361199322Smav /* Is this a known AHCI chip? */ 362199322Smav for (i = 0; ahci_ids[i].id != 0; i++) { 363199322Smav if (ahci_ids[i].id == devid && 364203030Smav ahci_ids[i].rev <= revid && 365228200Smav (valid || (force_ahci == 1 && 366228200Smav !(ahci_ids[i].quirks & AHCI_Q_NOFORCE)))) { 367199717Smav /* Do not attach JMicrons with single PCI function. */ 368199717Smav if (pci_get_vendor(dev) == 0x197b && 369199717Smav (pci_read_config(dev, 0xdf, 1) & 0x40) == 0) 370199717Smav return (ENXIO); 371199322Smav snprintf(buf, sizeof(buf), "%s AHCI SATA controller", 372199322Smav ahci_ids[i].name); 373199322Smav device_set_desc_copy(dev, buf); 374280393Smav return (BUS_PROBE_DEFAULT); 375199322Smav } 376199322Smav } 377288111Smav if (valid != 1) 378199322Smav return (ENXIO); 379199322Smav device_set_desc_copy(dev, "AHCI SATA controller"); 380280393Smav return (BUS_PROBE_DEFAULT); 381199322Smav} 382199322Smav 383199322Smavstatic int 384199322Smavahci_ata_probe(device_t dev) 385199322Smav{ 386199322Smav char buf[64]; 387199176Smav int i; 388199176Smav uint32_t devid = pci_get_devid(dev); 389203030Smav uint8_t revid = pci_get_revid(dev); 390195534Sscottl 391199322Smav if ((intptr_t)device_get_ivars(dev) >= 0) 392199322Smav return (ENXIO); 393199176Smav /* Is this a known AHCI chip? */ 394199176Smav for (i = 0; ahci_ids[i].id != 0; i++) { 395203030Smav if (ahci_ids[i].id == devid && 396203030Smav ahci_ids[i].rev <= revid) { 397199176Smav snprintf(buf, sizeof(buf), "%s AHCI SATA controller", 398199176Smav ahci_ids[i].name); 399199176Smav device_set_desc_copy(dev, buf); 400280393Smav return (BUS_PROBE_DEFAULT); 401199176Smav } 402199176Smav } 403199176Smav device_set_desc_copy(dev, "AHCI SATA controller"); 404280393Smav return (BUS_PROBE_DEFAULT); 405195534Sscottl} 406195534Sscottl 407195534Sscottlstatic int 408285789Szbbahci_pci_read_msix_bars(device_t dev, uint8_t *table_bar, uint8_t *pba_bar) 409285789Szbb{ 410285789Szbb int cap_offset = 0, ret; 411285789Szbb uint32_t val; 412285789Szbb 413285789Szbb if ((table_bar == NULL) || (pba_bar == NULL)) 414285789Szbb return (EINVAL); 415285789Szbb 416285789Szbb ret = pci_find_cap(dev, PCIY_MSIX, &cap_offset); 417285789Szbb if (ret != 0) 418285789Szbb return (EINVAL); 419285789Szbb 420285789Szbb val = pci_read_config(dev, cap_offset + PCIR_MSIX_TABLE, 4); 421285789Szbb *table_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK); 422285789Szbb 423285789Szbb val = pci_read_config(dev, cap_offset + PCIR_MSIX_PBA, 4); 424285789Szbb *pba_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK); 425285789Szbb 426285789Szbb return (0); 427285789Szbb} 428285789Szbb 429285789Szbbstatic int 430271146Simpahci_pci_attach(device_t dev) 431195534Sscottl{ 432195534Sscottl struct ahci_controller *ctlr = device_get_softc(dev); 433271146Simp int error, i; 434199322Smav uint32_t devid = pci_get_devid(dev); 435203030Smav uint8_t revid = pci_get_revid(dev); 436285789Szbb int msi_count, msix_count; 437285789Szbb uint8_t table_bar = 0, pba_bar = 0; 438195534Sscottl 439285789Szbb msi_count = pci_msi_count(dev); 440285789Szbb msix_count = pci_msix_count(dev); 441285789Szbb 442199322Smav i = 0; 443203030Smav while (ahci_ids[i].id != 0 && 444203030Smav (ahci_ids[i].id != devid || 445203030Smav ahci_ids[i].rev > revid)) 446199322Smav i++; 447199322Smav ctlr->quirks = ahci_ids[i].quirks; 448271146Simp /* Limit speed for my onboard JMicron external port. 449271146Simp * It is not eSATA really, limit to SATA 1 */ 450271146Simp if (pci_get_devid(dev) == 0x2363197b && 451271146Simp pci_get_subvendor(dev) == 0x1043 && 452271146Simp pci_get_subdevice(dev) == 0x81e4) 453271146Simp ctlr->quirks |= AHCI_Q_SATA1_UNIT0; 454297921Smav resource_int_value(device_get_name(dev), device_get_unit(dev), 455297921Smav "quirks", &ctlr->quirks); 456271146Simp ctlr->vendorid = pci_get_vendor(dev); 457271146Simp ctlr->deviceid = pci_get_device(dev); 458271146Simp ctlr->subvendorid = pci_get_subvendor(dev); 459271146Simp ctlr->subdeviceid = pci_get_subdevice(dev); 460277100Skib 461277100Skib /* Default AHCI Base Address is BAR(5), Cavium uses BAR(0) */ 462277100Skib if (ctlr->quirks & AHCI_Q_ABAR0) 463277100Skib ctlr->r_rid = PCIR_BAR(0); 464277100Skib else 465277100Skib ctlr->r_rid = PCIR_BAR(5); 466195534Sscottl if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 467195534Sscottl &ctlr->r_rid, RF_ACTIVE))) 468195534Sscottl return ENXIO; 469285789Szbb 470297447Szbb if (ctlr->quirks & AHCI_Q_NOMSIX) 471297447Szbb msix_count = 0; 472297447Szbb 473285789Szbb /* Read MSI-x BAR IDs if supported */ 474285789Szbb if (msix_count > 0) { 475285789Szbb error = ahci_pci_read_msix_bars(dev, &table_bar, &pba_bar); 476285789Szbb if (error == 0) { 477285789Szbb ctlr->r_msix_tab_rid = table_bar; 478285789Szbb ctlr->r_msix_pba_rid = pba_bar; 479285789Szbb } else { 480285789Szbb /* Failed to read BARs, disable MSI-x */ 481285789Szbb msix_count = 0; 482285789Szbb } 483285789Szbb } 484285789Szbb 485285789Szbb /* Allocate resources for MSI-x table and PBA */ 486285789Szbb if (msix_count > 0) { 487285789Szbb /* 488285789Szbb * Allocate new MSI-x table only if not 489285789Szbb * allocated before. 490285789Szbb */ 491285789Szbb ctlr->r_msix_table = NULL; 492285789Szbb if (ctlr->r_msix_tab_rid != ctlr->r_rid) { 493285789Szbb /* Separate BAR for MSI-x */ 494285789Szbb ctlr->r_msix_table = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 495285789Szbb &ctlr->r_msix_tab_rid, RF_ACTIVE); 496285789Szbb if (ctlr->r_msix_table == NULL) { 497285789Szbb ahci_free_mem(dev); 498285789Szbb return (ENXIO); 499285789Szbb } 500285789Szbb } 501285789Szbb 502285789Szbb /* 503285789Szbb * Allocate new PBA table only if not 504285789Szbb * allocated before. 505285789Szbb */ 506285789Szbb ctlr->r_msix_pba = NULL; 507285789Szbb if ((ctlr->r_msix_pba_rid != ctlr->r_msix_tab_rid) && 508285789Szbb (ctlr->r_msix_pba_rid != ctlr->r_rid)) { 509285789Szbb /* Separate BAR for PBA */ 510285789Szbb ctlr->r_msix_pba = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 511285789Szbb &ctlr->r_msix_pba_rid, RF_ACTIVE); 512285789Szbb if (ctlr->r_msix_pba == NULL) { 513285789Szbb ahci_free_mem(dev); 514285789Szbb return (ENXIO); 515285789Szbb } 516285789Szbb } 517285789Szbb } 518285789Szbb 519207511Smav pci_enable_busmaster(dev); 520195534Sscottl /* Reset controller */ 521271146Simp if ((error = ahci_pci_ctlr_reset(dev)) != 0) { 522285789Szbb ahci_free_mem(dev); 523195534Sscottl return (error); 524297793Spfg } 525222304Smav 526195534Sscottl /* Setup interrupts. */ 527195534Sscottl 528271146Simp /* Setup MSI register parameters */ 529195534Sscottl /* Process hints. */ 530245875Smav if (ctlr->quirks & AHCI_Q_NOMSI) 531256843Smav ctlr->msi = 0; 532278034Ssmh else if (ctlr->quirks & AHCI_Q_1MSI) 533278034Ssmh ctlr->msi = 1; 534278034Ssmh else 535278034Ssmh ctlr->msi = 2; 536195534Sscottl resource_int_value(device_get_name(dev), 537256843Smav device_get_unit(dev), "msi", &ctlr->msi); 538256843Smav ctlr->numirqs = 1; 539285789Szbb if (msi_count == 0 && msix_count == 0) 540285789Szbb ctlr->msi = 0; 541256843Smav if (ctlr->msi < 0) 542256843Smav ctlr->msi = 0; 543285789Szbb else if (ctlr->msi == 1) { 544285789Szbb msi_count = min(1, msi_count); 545285789Szbb msix_count = min(1, msix_count); 546285789Szbb } else if (ctlr->msi > 1) 547256843Smav ctlr->msi = 2; 548285789Szbb 549285789Szbb /* Allocate MSI/MSI-x if needed/present. */ 550285789Szbb if (ctlr->msi > 0) { 551285789Szbb error = ENXIO; 552285789Szbb 553285789Szbb /* Try to allocate MSI-x first */ 554285789Szbb if (msix_count > 0) { 555285789Szbb error = pci_alloc_msix(dev, &msix_count); 556285789Szbb if (error == 0) 557285789Szbb ctlr->numirqs = msix_count; 558285789Szbb } 559285789Szbb 560285789Szbb /* 561285789Szbb * Try to allocate MSI if msi_count is greater than 0 562285789Szbb * and if MSI-x allocation failed. 563285789Szbb */ 564285789Szbb if ((error != 0) && (msi_count > 0)) { 565285789Szbb error = pci_alloc_msi(dev, &msi_count); 566285789Szbb if (error == 0) 567285789Szbb ctlr->numirqs = msi_count; 568285789Szbb } 569285789Szbb 570285789Szbb /* Both MSI and MSI-x allocations failed */ 571285789Szbb if (error != 0) { 572285789Szbb ctlr->msi = 0; 573285789Szbb device_printf(dev, "Failed to allocate MSI/MSI-x, " 574285789Szbb "falling back to INTx\n"); 575285789Szbb } 576256843Smav } 577195534Sscottl 578271146Simp error = ahci_attach(dev); 579285789Szbb if (error != 0) { 580285789Szbb if (ctlr->msi > 0) 581271146Simp pci_release_msi(dev); 582285789Szbb ahci_free_mem(dev); 583285789Szbb } 584271146Simp return error; 585195534Sscottl} 586195534Sscottl 587195534Sscottlstatic int 588271146Simpahci_pci_detach(device_t dev) 589195534Sscottl{ 590195534Sscottl 591271146Simp ahci_detach(dev); 592271146Simp pci_release_msi(dev); 593195534Sscottl return (0); 594195534Sscottl} 595195534Sscottl 596195534Sscottlstatic int 597271146Simpahci_pci_suspend(device_t dev) 598195534Sscottl{ 599195534Sscottl struct ahci_controller *ctlr = device_get_softc(dev); 600195534Sscottl 601271146Simp bus_generic_suspend(dev); 602271146Simp /* Disable interupts, so the state change(s) doesn't trigger */ 603271146Simp ATA_OUTL(ctlr->r_mem, AHCI_GHC, 604271146Simp ATA_INL(ctlr->r_mem, AHCI_GHC) & (~AHCI_GHC_IE)); 605271146Simp return 0; 606195534Sscottl} 607195534Sscottl 608195534Sscottlstatic int 609271146Simpahci_pci_resume(device_t dev) 610195534Sscottl{ 611271146Simp int res; 612195534Sscottl 613271146Simp if ((res = ahci_pci_ctlr_reset(dev)) != 0) 614271146Simp return (res); 615271146Simp ahci_ctlr_setup(dev); 616271146Simp return (bus_generic_resume(dev)); 617195534Sscottl} 618195534Sscottl 619195534Sscottldevclass_t ahci_devclass; 620195534Sscottlstatic device_method_t ahci_methods[] = { 621195534Sscottl DEVMETHOD(device_probe, ahci_probe), 622271146Simp DEVMETHOD(device_attach, ahci_pci_attach), 623271146Simp DEVMETHOD(device_detach, ahci_pci_detach), 624271146Simp DEVMETHOD(device_suspend, ahci_pci_suspend), 625271146Simp DEVMETHOD(device_resume, ahci_pci_resume), 626195534Sscottl DEVMETHOD(bus_print_child, ahci_print_child), 627195534Sscottl DEVMETHOD(bus_alloc_resource, ahci_alloc_resource), 628195534Sscottl DEVMETHOD(bus_release_resource, ahci_release_resource), 629195534Sscottl DEVMETHOD(bus_setup_intr, ahci_setup_intr), 630195534Sscottl DEVMETHOD(bus_teardown_intr,ahci_teardown_intr), 631208410Smav DEVMETHOD(bus_child_location_str, ahci_child_location_str), 632249346Smav DEVMETHOD(bus_get_dma_tag, ahci_get_dma_tag), 633276344Smarius DEVMETHOD_END 634195534Sscottl}; 635195534Sscottlstatic driver_t ahci_driver = { 636195534Sscottl "ahci", 637195534Sscottl ahci_methods, 638195534Sscottl sizeof(struct ahci_controller) 639195534Sscottl}; 640276344SmariusDRIVER_MODULE(ahci, pci, ahci_driver, ahci_devclass, NULL, NULL); 641199322Smavstatic device_method_t ahci_ata_methods[] = { 642199322Smav DEVMETHOD(device_probe, ahci_ata_probe), 643271146Simp DEVMETHOD(device_attach, ahci_pci_attach), 644271146Simp DEVMETHOD(device_detach, ahci_pci_detach), 645271146Simp DEVMETHOD(device_suspend, ahci_pci_suspend), 646271146Simp DEVMETHOD(device_resume, ahci_pci_resume), 647199322Smav DEVMETHOD(bus_print_child, ahci_print_child), 648199322Smav DEVMETHOD(bus_alloc_resource, ahci_alloc_resource), 649199322Smav DEVMETHOD(bus_release_resource, ahci_release_resource), 650199322Smav DEVMETHOD(bus_setup_intr, ahci_setup_intr), 651199322Smav DEVMETHOD(bus_teardown_intr,ahci_teardown_intr), 652208410Smav DEVMETHOD(bus_child_location_str, ahci_child_location_str), 653276344Smarius DEVMETHOD_END 654199322Smav}; 655199322Smavstatic driver_t ahci_ata_driver = { 656199322Smav "ahci", 657199322Smav ahci_ata_methods, 658199322Smav sizeof(struct ahci_controller) 659199322Smav}; 660276344SmariusDRIVER_MODULE(ahci, atapci, ahci_ata_driver, ahci_devclass, NULL, NULL); 661