ahci_pci.c revision 297447
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: head/sys/dev/ahci/ahci_pci.c 297447 2016-03-31 11:18:52Z zbb $"); 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}, 76260830Smav {0x06111b21, 0x00, "ASMedia ASM2106", 0}, 77225140Smav {0x06121b21, 0x00, "ASMedia ASM1061", 0}, 78203030Smav {0x26528086, 0x00, "Intel ICH6", AHCI_Q_NOFORCE}, 79203030Smav {0x26538086, 0x00, "Intel ICH6M", AHCI_Q_NOFORCE}, 80203030Smav {0x26818086, 0x00, "Intel ESB2", 0}, 81203030Smav {0x26828086, 0x00, "Intel ESB2", 0}, 82203030Smav {0x26838086, 0x00, "Intel ESB2", 0}, 83203030Smav {0x27c18086, 0x00, "Intel ICH7", 0}, 84203030Smav {0x27c38086, 0x00, "Intel ICH7", 0}, 85203030Smav {0x27c58086, 0x00, "Intel ICH7M", 0}, 86203030Smav {0x27c68086, 0x00, "Intel ICH7M", 0}, 87203030Smav {0x28218086, 0x00, "Intel ICH8", 0}, 88203030Smav {0x28228086, 0x00, "Intel ICH8", 0}, 89203030Smav {0x28248086, 0x00, "Intel ICH8", 0}, 90203030Smav {0x28298086, 0x00, "Intel ICH8M", 0}, 91203030Smav {0x282a8086, 0x00, "Intel ICH8M", 0}, 92203030Smav {0x29228086, 0x00, "Intel ICH9", 0}, 93203030Smav {0x29238086, 0x00, "Intel ICH9", 0}, 94203030Smav {0x29248086, 0x00, "Intel ICH9", 0}, 95203030Smav {0x29258086, 0x00, "Intel ICH9", 0}, 96203030Smav {0x29278086, 0x00, "Intel ICH9", 0}, 97203030Smav {0x29298086, 0x00, "Intel ICH9M", 0}, 98203030Smav {0x292a8086, 0x00, "Intel ICH9M", 0}, 99203030Smav {0x292b8086, 0x00, "Intel ICH9M", 0}, 100203030Smav {0x292c8086, 0x00, "Intel ICH9M", 0}, 101203030Smav {0x292f8086, 0x00, "Intel ICH9M", 0}, 102203030Smav {0x294d8086, 0x00, "Intel ICH9", 0}, 103203030Smav {0x294e8086, 0x00, "Intel ICH9M", 0}, 104203030Smav {0x3a058086, 0x00, "Intel ICH10", 0}, 105203030Smav {0x3a228086, 0x00, "Intel ICH10", 0}, 106203030Smav {0x3a258086, 0x00, "Intel ICH10", 0}, 107211922Smav {0x3b228086, 0x00, "Intel 5 Series/3400 Series", 0}, 108211922Smav {0x3b238086, 0x00, "Intel 5 Series/3400 Series", 0}, 109211922Smav {0x3b258086, 0x00, "Intel 5 Series/3400 Series", 0}, 110211922Smav {0x3b298086, 0x00, "Intel 5 Series/3400 Series", 0}, 111211922Smav {0x3b2c8086, 0x00, "Intel 5 Series/3400 Series", 0}, 112211922Smav {0x3b2f8086, 0x00, "Intel 5 Series/3400 Series", 0}, 113211922Smav {0x1c028086, 0x00, "Intel Cougar Point", 0}, 114211922Smav {0x1c038086, 0x00, "Intel Cougar Point", 0}, 115211922Smav {0x1c048086, 0x00, "Intel Cougar Point", 0}, 116211922Smav {0x1c058086, 0x00, "Intel Cougar Point", 0}, 117218605Smav {0x1d028086, 0x00, "Intel Patsburg", 0}, 118218605Smav {0x1d048086, 0x00, "Intel Patsburg", 0}, 119218605Smav {0x1d068086, 0x00, "Intel Patsburg", 0}, 120229671Sjimharris {0x28268086, 0x00, "Intel Patsburg (RAID)", 0}, 121221789Sjfv {0x1e028086, 0x00, "Intel Panther Point", 0}, 122221789Sjfv {0x1e038086, 0x00, "Intel Panther Point", 0}, 123258162Smav {0x1e048086, 0x00, "Intel Panther Point (RAID)", 0}, 124258162Smav {0x1e058086, 0x00, "Intel Panther Point (RAID)", 0}, 125258162Smav {0x1e068086, 0x00, "Intel Panther Point (RAID)", 0}, 126258162Smav {0x1e078086, 0x00, "Intel Panther Point (RAID)", 0}, 127258162Smav {0x1e0e8086, 0x00, "Intel Panther Point (RAID)", 0}, 128258162Smav {0x1e0f8086, 0x00, "Intel Panther Point (RAID)", 0}, 129258162Smav {0x1f228086, 0x00, "Intel Avoton", 0}, 130258162Smav {0x1f238086, 0x00, "Intel Avoton", 0}, 131258162Smav {0x1f248086, 0x00, "Intel Avoton (RAID)", 0}, 132258162Smav {0x1f258086, 0x00, "Intel Avoton (RAID)", 0}, 133258162Smav {0x1f268086, 0x00, "Intel Avoton (RAID)", 0}, 134258162Smav {0x1f278086, 0x00, "Intel Avoton (RAID)", 0}, 135258162Smav {0x1f2e8086, 0x00, "Intel Avoton (RAID)", 0}, 136258162Smav {0x1f2f8086, 0x00, "Intel Avoton (RAID)", 0}, 137258162Smav {0x1f328086, 0x00, "Intel Avoton", 0}, 138258162Smav {0x1f338086, 0x00, "Intel Avoton", 0}, 139258162Smav {0x1f348086, 0x00, "Intel Avoton (RAID)", 0}, 140258162Smav {0x1f358086, 0x00, "Intel Avoton (RAID)", 0}, 141258162Smav {0x1f368086, 0x00, "Intel Avoton (RAID)", 0}, 142258162Smav {0x1f378086, 0x00, "Intel Avoton (RAID)", 0}, 143258162Smav {0x1f3e8086, 0x00, "Intel Avoton (RAID)", 0}, 144258162Smav {0x1f3f8086, 0x00, "Intel Avoton (RAID)", 0}, 145278034Ssmh {0x23a38086, 0x00, "Intel Coleto Creek", 0}, 146258162Smav {0x28238086, 0x00, "Intel Wellsburg (RAID)", 0}, 147258162Smav {0x28278086, 0x00, "Intel Wellsburg (RAID)", 0}, 148244983Sjfv {0x8c028086, 0x00, "Intel Lynx Point", 0}, 149244983Sjfv {0x8c038086, 0x00, "Intel Lynx Point", 0}, 150258162Smav {0x8c048086, 0x00, "Intel Lynx Point (RAID)", 0}, 151258162Smav {0x8c058086, 0x00, "Intel Lynx Point (RAID)", 0}, 152258162Smav {0x8c068086, 0x00, "Intel Lynx Point (RAID)", 0}, 153258162Smav {0x8c078086, 0x00, "Intel Lynx Point (RAID)", 0}, 154258162Smav {0x8c0e8086, 0x00, "Intel Lynx Point (RAID)", 0}, 155258162Smav {0x8c0f8086, 0x00, "Intel Lynx Point (RAID)", 0}, 156275101Smav {0x8c828086, 0x00, "Intel Wildcat Point", 0}, 157275101Smav {0x8c838086, 0x00, "Intel Wildcat Point", 0}, 158275101Smav {0x8c848086, 0x00, "Intel Wildcat Point (RAID)", 0}, 159275101Smav {0x8c858086, 0x00, "Intel Wildcat Point (RAID)", 0}, 160275101Smav {0x8c868086, 0x00, "Intel Wildcat Point (RAID)", 0}, 161275101Smav {0x8c878086, 0x00, "Intel Wildcat Point (RAID)", 0}, 162275101Smav {0x8c8e8086, 0x00, "Intel Wildcat Point (RAID)", 0}, 163275101Smav {0x8c8f8086, 0x00, "Intel Wildcat Point (RAID)", 0}, 164258162Smav {0x8d028086, 0x00, "Intel Wellsburg", 0}, 165258162Smav {0x8d048086, 0x00, "Intel Wellsburg (RAID)", 0}, 166258162Smav {0x8d068086, 0x00, "Intel Wellsburg (RAID)", 0}, 167258162Smav {0x8d628086, 0x00, "Intel Wellsburg", 0}, 168258162Smav {0x8d648086, 0x00, "Intel Wellsburg (RAID)", 0}, 169258162Smav {0x8d668086, 0x00, "Intel Wellsburg (RAID)", 0}, 170258162Smav {0x8d6e8086, 0x00, "Intel Wellsburg (RAID)", 0}, 171258162Smav {0x9c028086, 0x00, "Intel Lynx Point-LP", 0}, 172258162Smav {0x9c038086, 0x00, "Intel Lynx Point-LP", 0}, 173258162Smav {0x9c048086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 174258162Smav {0x9c058086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 175258162Smav {0x9c068086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 176258162Smav {0x9c078086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 177258162Smav {0x9c0e8086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 178258162Smav {0x9c0f8086, 0x00, "Intel Lynx Point-LP (RAID)", 0}, 179221789Sjfv {0x23238086, 0x00, "Intel DH89xxCC", 0}, 180239907Smav {0x2360197b, 0x00, "JMicron JMB360", 0}, 181203030Smav {0x2361197b, 0x00, "JMicron JMB361", AHCI_Q_NOFORCE}, 182239907Smav {0x2362197b, 0x00, "JMicron JMB362", 0}, 183203030Smav {0x2363197b, 0x00, "JMicron JMB363", AHCI_Q_NOFORCE}, 184203030Smav {0x2365197b, 0x00, "JMicron JMB365", AHCI_Q_NOFORCE}, 185203030Smav {0x2366197b, 0x00, "JMicron JMB366", AHCI_Q_NOFORCE}, 186203030Smav {0x2368197b, 0x00, "JMicron JMB368", AHCI_Q_NOFORCE}, 187285020Smav {0x611111ab, 0x00, 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{0x0adb10de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 265207499Smav {0x0ab410de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 266207499Smav {0x0ab510de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 267207499Smav {0x0ab610de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 268207499Smav {0x0ab710de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 269207499Smav {0x0ab810de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 270207499Smav {0x0ab910de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 271207499Smav {0x0aba10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 272207499Smav {0x0abb10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 273207499Smav {0x0abc10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 274207499Smav {0x0abd10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 275207499Smav {0x0abe10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 276207499Smav {0x0abf10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 277207499Smav {0x0d8410de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 278224603Smav {0x0d8510de, 0x00, "NVIDIA MCP89", AHCI_Q_NOFORCE|AHCI_Q_NOAA}, 279207499Smav {0x0d8610de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 280207499Smav {0x0d8710de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 281207499Smav {0x0d8810de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 282207499Smav {0x0d8910de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 283207499Smav {0x0d8a10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 284207499Smav {0x0d8b10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 285207499Smav {0x0d8c10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 286207499Smav {0x0d8d10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 287207499Smav {0x0d8e10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 288207499Smav {0x0d8f10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 289271403Smav {0x3781105a, 0x00, "Promise TX8660", 0}, 290208907Smav {0x33491106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ}, 291208907Smav {0x62871106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ}, 292203030Smav {0x11841039, 0x00, "SiS 966", 0}, 293203030Smav {0x11851039, 0x00, "SiS 968", 0}, 294203030Smav {0x01861039, 0x00, "SiS 968", 0}, 295279573Semaste {0xa01c177d, 0x00, "ThunderX", AHCI_Q_ABAR0|AHCI_Q_1MSI}, 296297447Szbb {0x00311c36, 0x00, "Annapurna", AHCI_Q_FORCE_PI|AHCI_Q_RESTORE_CAP|AHCI_Q_NOMSIX}, 297203030Smav {0x00000000, 0x00, NULL, 0} 298199176Smav}; 299199176Smav 300271146Simpstatic int 301271146Simpahci_pci_ctlr_reset(device_t dev) 302271146Simp{ 303220565Smav 304271146Simp if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == 0x28298086 && 305271146Simp (pci_read_config(dev, 0x92, 1) & 0xfe) == 0x04) 306271146Simp pci_write_config(dev, 0x92, 0x01, 1); 307271146Simp return ahci_ctlr_reset(dev); 308271146Simp} 309228200Smav 310195534Sscottlstatic int 311195534Sscottlahci_probe(device_t dev) 312195534Sscottl{ 313199176Smav char buf[64]; 314199322Smav int i, valid = 0; 315199322Smav uint32_t devid = pci_get_devid(dev); 316203030Smav uint8_t revid = pci_get_revid(dev); 317199322Smav 318260163Szbb /* 319260163Szbb * Ensure it is not a PCI bridge (some vendors use 320260163Szbb * the same PID and VID in PCI bridge and AHCI cards). 321260163Szbb */ 322260163Szbb if (pci_get_class(dev) == PCIC_BRIDGE) 323260163Szbb return (ENXIO); 324260163Szbb 325199322Smav /* Is this a possible AHCI candidate? */ 326199322Smav if (pci_get_class(dev) == PCIC_STORAGE && 327199322Smav pci_get_subclass(dev) == PCIS_STORAGE_SATA && 328199322Smav pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0) 329199322Smav valid = 1; 330288111Smav else if (pci_get_class(dev) == PCIC_STORAGE && 331288111Smav pci_get_subclass(dev) == PCIS_STORAGE_RAID) 332288111Smav valid = 2; 333199322Smav /* Is this a known AHCI chip? */ 334199322Smav for (i = 0; ahci_ids[i].id != 0; i++) { 335199322Smav if (ahci_ids[i].id == devid && 336203030Smav ahci_ids[i].rev <= revid && 337228200Smav (valid || (force_ahci == 1 && 338228200Smav !(ahci_ids[i].quirks & AHCI_Q_NOFORCE)))) { 339199717Smav /* Do not attach JMicrons with single PCI function. */ 340199717Smav if (pci_get_vendor(dev) == 0x197b && 341199717Smav (pci_read_config(dev, 0xdf, 1) & 0x40) == 0) 342199717Smav return (ENXIO); 343199322Smav snprintf(buf, sizeof(buf), "%s AHCI SATA controller", 344199322Smav ahci_ids[i].name); 345199322Smav device_set_desc_copy(dev, buf); 346280393Smav return (BUS_PROBE_DEFAULT); 347199322Smav } 348199322Smav } 349288111Smav if (valid != 1) 350199322Smav return (ENXIO); 351199322Smav device_set_desc_copy(dev, "AHCI SATA controller"); 352280393Smav return (BUS_PROBE_DEFAULT); 353199322Smav} 354199322Smav 355199322Smavstatic int 356199322Smavahci_ata_probe(device_t dev) 357199322Smav{ 358199322Smav char buf[64]; 359199176Smav int i; 360199176Smav uint32_t devid = pci_get_devid(dev); 361203030Smav uint8_t revid = pci_get_revid(dev); 362195534Sscottl 363199322Smav if ((intptr_t)device_get_ivars(dev) >= 0) 364199322Smav return (ENXIO); 365199176Smav /* Is this a known AHCI chip? */ 366199176Smav for (i = 0; ahci_ids[i].id != 0; i++) { 367203030Smav if (ahci_ids[i].id == devid && 368203030Smav ahci_ids[i].rev <= revid) { 369199176Smav snprintf(buf, sizeof(buf), "%s AHCI SATA controller", 370199176Smav ahci_ids[i].name); 371199176Smav device_set_desc_copy(dev, buf); 372280393Smav return (BUS_PROBE_DEFAULT); 373199176Smav } 374199176Smav } 375199176Smav device_set_desc_copy(dev, "AHCI SATA controller"); 376280393Smav return (BUS_PROBE_DEFAULT); 377195534Sscottl} 378195534Sscottl 379195534Sscottlstatic int 380285789Szbbahci_pci_read_msix_bars(device_t dev, uint8_t *table_bar, uint8_t *pba_bar) 381285789Szbb{ 382285789Szbb int cap_offset = 0, ret; 383285789Szbb uint32_t val; 384285789Szbb 385285789Szbb if ((table_bar == NULL) || (pba_bar == NULL)) 386285789Szbb return (EINVAL); 387285789Szbb 388285789Szbb ret = pci_find_cap(dev, PCIY_MSIX, &cap_offset); 389285789Szbb if (ret != 0) 390285789Szbb return (EINVAL); 391285789Szbb 392285789Szbb val = pci_read_config(dev, cap_offset + PCIR_MSIX_TABLE, 4); 393285789Szbb *table_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK); 394285789Szbb 395285789Szbb val = pci_read_config(dev, cap_offset + PCIR_MSIX_PBA, 4); 396285789Szbb *pba_bar = PCIR_BAR(val & PCIM_MSIX_BIR_MASK); 397285789Szbb 398285789Szbb return (0); 399285789Szbb} 400285789Szbb 401285789Szbbstatic int 402271146Simpahci_pci_attach(device_t dev) 403195534Sscottl{ 404195534Sscottl struct ahci_controller *ctlr = device_get_softc(dev); 405271146Simp int error, i; 406199322Smav uint32_t devid = pci_get_devid(dev); 407203030Smav uint8_t revid = pci_get_revid(dev); 408285789Szbb int msi_count, msix_count; 409285789Szbb uint8_t table_bar = 0, pba_bar = 0; 410195534Sscottl 411285789Szbb msi_count = pci_msi_count(dev); 412285789Szbb msix_count = pci_msix_count(dev); 413285789Szbb 414199322Smav i = 0; 415203030Smav while (ahci_ids[i].id != 0 && 416203030Smav (ahci_ids[i].id != devid || 417203030Smav ahci_ids[i].rev > revid)) 418199322Smav i++; 419199322Smav ctlr->quirks = ahci_ids[i].quirks; 420271146Simp /* Limit speed for my onboard JMicron external port. 421271146Simp * It is not eSATA really, limit to SATA 1 */ 422271146Simp if (pci_get_devid(dev) == 0x2363197b && 423271146Simp pci_get_subvendor(dev) == 0x1043 && 424271146Simp pci_get_subdevice(dev) == 0x81e4) 425271146Simp ctlr->quirks |= AHCI_Q_SATA1_UNIT0; 426271146Simp ctlr->vendorid = pci_get_vendor(dev); 427271146Simp ctlr->deviceid = pci_get_device(dev); 428271146Simp ctlr->subvendorid = pci_get_subvendor(dev); 429271146Simp ctlr->subdeviceid = pci_get_subdevice(dev); 430277100Skib 431277100Skib /* Default AHCI Base Address is BAR(5), Cavium uses BAR(0) */ 432277100Skib if (ctlr->quirks & AHCI_Q_ABAR0) 433277100Skib ctlr->r_rid = PCIR_BAR(0); 434277100Skib else 435277100Skib ctlr->r_rid = PCIR_BAR(5); 436195534Sscottl if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 437195534Sscottl &ctlr->r_rid, RF_ACTIVE))) 438195534Sscottl return ENXIO; 439285789Szbb 440297447Szbb if (ctlr->quirks & AHCI_Q_NOMSIX) 441297447Szbb msix_count = 0; 442297447Szbb 443285789Szbb /* Read MSI-x BAR IDs if supported */ 444285789Szbb if (msix_count > 0) { 445285789Szbb error = ahci_pci_read_msix_bars(dev, &table_bar, &pba_bar); 446285789Szbb if (error == 0) { 447285789Szbb ctlr->r_msix_tab_rid = table_bar; 448285789Szbb ctlr->r_msix_pba_rid = pba_bar; 449285789Szbb } else { 450285789Szbb /* Failed to read BARs, disable MSI-x */ 451285789Szbb msix_count = 0; 452285789Szbb } 453285789Szbb } 454285789Szbb 455285789Szbb /* Allocate resources for MSI-x table and PBA */ 456285789Szbb if (msix_count > 0) { 457285789Szbb /* 458285789Szbb * Allocate new MSI-x table only if not 459285789Szbb * allocated before. 460285789Szbb */ 461285789Szbb ctlr->r_msix_table = NULL; 462285789Szbb if (ctlr->r_msix_tab_rid != ctlr->r_rid) { 463285789Szbb /* Separate BAR for MSI-x */ 464285789Szbb ctlr->r_msix_table = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 465285789Szbb &ctlr->r_msix_tab_rid, RF_ACTIVE); 466285789Szbb if (ctlr->r_msix_table == NULL) { 467285789Szbb ahci_free_mem(dev); 468285789Szbb return (ENXIO); 469285789Szbb } 470285789Szbb } 471285789Szbb 472285789Szbb /* 473285789Szbb * Allocate new PBA table only if not 474285789Szbb * allocated before. 475285789Szbb */ 476285789Szbb ctlr->r_msix_pba = NULL; 477285789Szbb if ((ctlr->r_msix_pba_rid != ctlr->r_msix_tab_rid) && 478285789Szbb (ctlr->r_msix_pba_rid != ctlr->r_rid)) { 479285789Szbb /* Separate BAR for PBA */ 480285789Szbb ctlr->r_msix_pba = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 481285789Szbb &ctlr->r_msix_pba_rid, RF_ACTIVE); 482285789Szbb if (ctlr->r_msix_pba == NULL) { 483285789Szbb ahci_free_mem(dev); 484285789Szbb return (ENXIO); 485285789Szbb } 486285789Szbb } 487285789Szbb } 488285789Szbb 489207511Smav pci_enable_busmaster(dev); 490195534Sscottl /* Reset controller */ 491271146Simp if ((error = ahci_pci_ctlr_reset(dev)) != 0) { 492285789Szbb ahci_free_mem(dev); 493195534Sscottl return (error); 494195534Sscottl }; 495222304Smav 496195534Sscottl /* Setup interrupts. */ 497195534Sscottl 498271146Simp /* Setup MSI register parameters */ 499195534Sscottl /* Process hints. */ 500245875Smav if (ctlr->quirks & AHCI_Q_NOMSI) 501256843Smav ctlr->msi = 0; 502278034Ssmh else if (ctlr->quirks & AHCI_Q_1MSI) 503278034Ssmh ctlr->msi = 1; 504278034Ssmh else 505278034Ssmh ctlr->msi = 2; 506195534Sscottl resource_int_value(device_get_name(dev), 507256843Smav device_get_unit(dev), "msi", &ctlr->msi); 508256843Smav ctlr->numirqs = 1; 509285789Szbb if (msi_count == 0 && msix_count == 0) 510285789Szbb ctlr->msi = 0; 511256843Smav if (ctlr->msi < 0) 512256843Smav ctlr->msi = 0; 513285789Szbb else if (ctlr->msi == 1) { 514285789Szbb msi_count = min(1, msi_count); 515285789Szbb msix_count = min(1, msix_count); 516285789Szbb } else if (ctlr->msi > 1) 517256843Smav ctlr->msi = 2; 518285789Szbb 519285789Szbb /* Allocate MSI/MSI-x if needed/present. */ 520285789Szbb if (ctlr->msi > 0) { 521285789Szbb error = ENXIO; 522285789Szbb 523285789Szbb /* Try to allocate MSI-x first */ 524285789Szbb if (msix_count > 0) { 525285789Szbb error = pci_alloc_msix(dev, &msix_count); 526285789Szbb if (error == 0) 527285789Szbb ctlr->numirqs = msix_count; 528285789Szbb } 529285789Szbb 530285789Szbb /* 531285789Szbb * Try to allocate MSI if msi_count is greater than 0 532285789Szbb * and if MSI-x allocation failed. 533285789Szbb */ 534285789Szbb if ((error != 0) && (msi_count > 0)) { 535285789Szbb error = pci_alloc_msi(dev, &msi_count); 536285789Szbb if (error == 0) 537285789Szbb ctlr->numirqs = msi_count; 538285789Szbb } 539285789Szbb 540285789Szbb /* Both MSI and MSI-x allocations failed */ 541285789Szbb if (error != 0) { 542285789Szbb ctlr->msi = 0; 543285789Szbb device_printf(dev, "Failed to allocate MSI/MSI-x, " 544285789Szbb "falling back to INTx\n"); 545285789Szbb } 546256843Smav } 547195534Sscottl 548271146Simp error = ahci_attach(dev); 549285789Szbb if (error != 0) { 550285789Szbb if (ctlr->msi > 0) 551271146Simp pci_release_msi(dev); 552285789Szbb ahci_free_mem(dev); 553285789Szbb } 554271146Simp return error; 555195534Sscottl} 556195534Sscottl 557195534Sscottlstatic int 558271146Simpahci_pci_detach(device_t dev) 559195534Sscottl{ 560195534Sscottl 561271146Simp ahci_detach(dev); 562271146Simp pci_release_msi(dev); 563195534Sscottl return (0); 564195534Sscottl} 565195534Sscottl 566195534Sscottlstatic int 567271146Simpahci_pci_suspend(device_t dev) 568195534Sscottl{ 569195534Sscottl struct ahci_controller *ctlr = device_get_softc(dev); 570195534Sscottl 571271146Simp bus_generic_suspend(dev); 572271146Simp /* Disable interupts, so the state change(s) doesn't trigger */ 573271146Simp ATA_OUTL(ctlr->r_mem, AHCI_GHC, 574271146Simp ATA_INL(ctlr->r_mem, AHCI_GHC) & (~AHCI_GHC_IE)); 575271146Simp return 0; 576195534Sscottl} 577195534Sscottl 578195534Sscottlstatic int 579271146Simpahci_pci_resume(device_t dev) 580195534Sscottl{ 581271146Simp int res; 582195534Sscottl 583271146Simp if ((res = ahci_pci_ctlr_reset(dev)) != 0) 584271146Simp return (res); 585271146Simp ahci_ctlr_setup(dev); 586271146Simp return (bus_generic_resume(dev)); 587195534Sscottl} 588195534Sscottl 589195534Sscottldevclass_t ahci_devclass; 590195534Sscottlstatic device_method_t ahci_methods[] = { 591195534Sscottl DEVMETHOD(device_probe, ahci_probe), 592271146Simp DEVMETHOD(device_attach, ahci_pci_attach), 593271146Simp DEVMETHOD(device_detach, ahci_pci_detach), 594271146Simp DEVMETHOD(device_suspend, ahci_pci_suspend), 595271146Simp DEVMETHOD(device_resume, ahci_pci_resume), 596195534Sscottl DEVMETHOD(bus_print_child, ahci_print_child), 597195534Sscottl DEVMETHOD(bus_alloc_resource, ahci_alloc_resource), 598195534Sscottl DEVMETHOD(bus_release_resource, ahci_release_resource), 599195534Sscottl DEVMETHOD(bus_setup_intr, ahci_setup_intr), 600195534Sscottl DEVMETHOD(bus_teardown_intr,ahci_teardown_intr), 601208410Smav DEVMETHOD(bus_child_location_str, ahci_child_location_str), 602249346Smav DEVMETHOD(bus_get_dma_tag, ahci_get_dma_tag), 603276344Smarius DEVMETHOD_END 604195534Sscottl}; 605195534Sscottlstatic driver_t ahci_driver = { 606195534Sscottl "ahci", 607195534Sscottl ahci_methods, 608195534Sscottl sizeof(struct ahci_controller) 609195534Sscottl}; 610276344SmariusDRIVER_MODULE(ahci, pci, ahci_driver, ahci_devclass, NULL, NULL); 611199322Smavstatic device_method_t ahci_ata_methods[] = { 612199322Smav DEVMETHOD(device_probe, ahci_ata_probe), 613271146Simp DEVMETHOD(device_attach, ahci_pci_attach), 614271146Simp DEVMETHOD(device_detach, ahci_pci_detach), 615271146Simp DEVMETHOD(device_suspend, ahci_pci_suspend), 616271146Simp DEVMETHOD(device_resume, ahci_pci_resume), 617199322Smav DEVMETHOD(bus_print_child, ahci_print_child), 618199322Smav DEVMETHOD(bus_alloc_resource, ahci_alloc_resource), 619199322Smav DEVMETHOD(bus_release_resource, ahci_release_resource), 620199322Smav DEVMETHOD(bus_setup_intr, ahci_setup_intr), 621199322Smav DEVMETHOD(bus_teardown_intr,ahci_teardown_intr), 622208410Smav DEVMETHOD(bus_child_location_str, ahci_child_location_str), 623276344Smarius DEVMETHOD_END 624199322Smav}; 625199322Smavstatic driver_t ahci_ata_driver = { 626199322Smav "ahci", 627199322Smav ahci_ata_methods, 628199322Smav sizeof(struct ahci_controller) 629199322Smav}; 630276344SmariusDRIVER_MODULE(ahci, atapci, ahci_ata_driver, ahci_devclass, NULL, NULL); 631