ahci_generic.c revision 217245
1/*- 2 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/dev/ahci/ahci.c 217245 2011-01-10 22:27:52Z mav $"); 29 30#include <sys/param.h> 31#include <sys/module.h> 32#include <sys/systm.h> 33#include <sys/kernel.h> 34#include <sys/ata.h> 35#include <sys/bus.h> 36#include <sys/endian.h> 37#include <sys/malloc.h> 38#include <sys/lock.h> 39#include <sys/mutex.h> 40#include <sys/sema.h> 41#include <sys/taskqueue.h> 42#include <vm/uma.h> 43#include <machine/stdarg.h> 44#include <machine/resource.h> 45#include <machine/bus.h> 46#include <sys/rman.h> 47#include <dev/pci/pcivar.h> 48#include <dev/pci/pcireg.h> 49#include "ahci.h" 50 51#include <cam/cam.h> 52#include <cam/cam_ccb.h> 53#include <cam/cam_sim.h> 54#include <cam/cam_xpt_sim.h> 55#include <cam/cam_debug.h> 56 57/* local prototypes */ 58static int ahci_setup_interrupt(device_t dev); 59static void ahci_intr(void *data); 60static void ahci_intr_one(void *data); 61static int ahci_suspend(device_t dev); 62static int ahci_resume(device_t dev); 63static int ahci_ch_init(device_t dev); 64static int ahci_ch_deinit(device_t dev); 65static int ahci_ch_suspend(device_t dev); 66static int ahci_ch_resume(device_t dev); 67static void ahci_ch_pm(void *arg); 68static void ahci_ch_intr_locked(void *data); 69static void ahci_ch_intr(void *data); 70static int ahci_ctlr_reset(device_t dev); 71static int ahci_ctlr_setup(device_t dev); 72static void ahci_begin_transaction(device_t dev, union ccb *ccb); 73static void ahci_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error); 74static void ahci_execute_transaction(struct ahci_slot *slot); 75static void ahci_timeout(struct ahci_slot *slot); 76static void ahci_end_transaction(struct ahci_slot *slot, enum ahci_err_type et); 77static int ahci_setup_fis(device_t dev, struct ahci_cmd_tab *ctp, union ccb *ccb, int tag); 78static void ahci_dmainit(device_t dev); 79static void ahci_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 80static void ahci_dmafini(device_t dev); 81static void ahci_slotsalloc(device_t dev); 82static void ahci_slotsfree(device_t dev); 83static void ahci_reset(device_t dev); 84static void ahci_start(device_t dev, int fbs); 85static void ahci_stop(device_t dev); 86static void ahci_clo(device_t dev); 87static void ahci_start_fr(device_t dev); 88static void ahci_stop_fr(device_t dev); 89 90static int ahci_sata_connect(struct ahci_channel *ch); 91static int ahci_sata_phy_reset(device_t dev); 92static int ahci_wait_ready(device_t dev, int t); 93 94static void ahci_issue_read_log(device_t dev); 95static void ahci_process_read_log(device_t dev, union ccb *ccb); 96 97static void ahciaction(struct cam_sim *sim, union ccb *ccb); 98static void ahcipoll(struct cam_sim *sim); 99 100MALLOC_DEFINE(M_AHCI, "AHCI driver", "AHCI driver data buffers"); 101 102static struct { 103 uint32_t id; 104 uint8_t rev; 105 const char *name; 106 int quirks; 107#define AHCI_Q_NOFORCE 1 108#define AHCI_Q_NOPMP 2 109#define AHCI_Q_NONCQ 4 110#define AHCI_Q_1CH 8 111#define AHCI_Q_2CH 16 112#define AHCI_Q_4CH 32 113#define AHCI_Q_EDGEIS 64 114#define AHCI_Q_SATA2 128 115#define AHCI_Q_NOBSYRES 256 116#define AHCI_Q_NOAA 512 117} ahci_ids[] = { 118 {0x43801002, 0x00, "ATI IXP600", 0}, 119 {0x43901002, 0x00, "ATI IXP700", 0}, 120 {0x43911002, 0x00, "ATI IXP700", 0}, 121 {0x43921002, 0x00, "ATI IXP700", 0}, 122 {0x43931002, 0x00, "ATI IXP700", 0}, 123 {0x43941002, 0x00, "ATI IXP800", 0}, 124 {0x43951002, 0x00, "ATI IXP800", 0}, 125 {0x26528086, 0x00, "Intel ICH6", AHCI_Q_NOFORCE}, 126 {0x26538086, 0x00, "Intel ICH6M", AHCI_Q_NOFORCE}, 127 {0x26818086, 0x00, "Intel ESB2", 0}, 128 {0x26828086, 0x00, "Intel ESB2", 0}, 129 {0x26838086, 0x00, "Intel ESB2", 0}, 130 {0x27c18086, 0x00, "Intel ICH7", 0}, 131 {0x27c38086, 0x00, "Intel ICH7", 0}, 132 {0x27c58086, 0x00, "Intel ICH7M", 0}, 133 {0x27c68086, 0x00, "Intel ICH7M", 0}, 134 {0x28218086, 0x00, "Intel ICH8", 0}, 135 {0x28228086, 0x00, "Intel ICH8", 0}, 136 {0x28248086, 0x00, "Intel ICH8", 0}, 137 {0x28298086, 0x00, "Intel ICH8M", 0}, 138 {0x282a8086, 0x00, "Intel ICH8M", 0}, 139 {0x29228086, 0x00, "Intel ICH9", 0}, 140 {0x29238086, 0x00, "Intel ICH9", 0}, 141 {0x29248086, 0x00, "Intel ICH9", 0}, 142 {0x29258086, 0x00, "Intel ICH9", 0}, 143 {0x29278086, 0x00, "Intel ICH9", 0}, 144 {0x29298086, 0x00, "Intel ICH9M", 0}, 145 {0x292a8086, 0x00, "Intel ICH9M", 0}, 146 {0x292b8086, 0x00, "Intel ICH9M", 0}, 147 {0x292c8086, 0x00, "Intel ICH9M", 0}, 148 {0x292f8086, 0x00, "Intel ICH9M", 0}, 149 {0x294d8086, 0x00, "Intel ICH9", 0}, 150 {0x294e8086, 0x00, "Intel ICH9M", 0}, 151 {0x3a058086, 0x00, "Intel ICH10", 0}, 152 {0x3a228086, 0x00, "Intel ICH10", 0}, 153 {0x3a258086, 0x00, "Intel ICH10", 0}, 154 {0x3b228086, 0x00, "Intel 5 Series/3400 Series", 0}, 155 {0x3b238086, 0x00, "Intel 5 Series/3400 Series", 0}, 156 {0x3b258086, 0x00, "Intel 5 Series/3400 Series", 0}, 157 {0x3b298086, 0x00, "Intel 5 Series/3400 Series", 0}, 158 {0x3b2c8086, 0x00, "Intel 5 Series/3400 Series", 0}, 159 {0x3b2f8086, 0x00, "Intel 5 Series/3400 Series", 0}, 160 {0x1c028086, 0x00, "Intel Cougar Point", 0}, 161 {0x1c038086, 0x00, "Intel Cougar Point", 0}, 162 {0x1c048086, 0x00, "Intel Cougar Point", 0}, 163 {0x1c058086, 0x00, "Intel Cougar Point", 0}, 164 {0x2361197b, 0x00, "JMicron JMB361", AHCI_Q_NOFORCE}, 165 {0x2363197b, 0x00, "JMicron JMB363", AHCI_Q_NOFORCE}, 166 {0x2365197b, 0x00, "JMicron JMB365", AHCI_Q_NOFORCE}, 167 {0x2366197b, 0x00, "JMicron JMB366", AHCI_Q_NOFORCE}, 168 {0x2368197b, 0x00, "JMicron JMB368", AHCI_Q_NOFORCE}, 169 {0x611111ab, 0x00, "Marvell 88SX6111", AHCI_Q_NOFORCE|AHCI_Q_1CH|AHCI_Q_EDGEIS}, 170 {0x612111ab, 0x00, "Marvell 88SX6121", AHCI_Q_NOFORCE|AHCI_Q_2CH|AHCI_Q_EDGEIS}, 171 {0x614111ab, 0x00, "Marvell 88SX6141", AHCI_Q_NOFORCE|AHCI_Q_4CH|AHCI_Q_EDGEIS}, 172 {0x614511ab, 0x00, "Marvell 88SX6145", AHCI_Q_NOFORCE|AHCI_Q_4CH|AHCI_Q_EDGEIS}, 173 {0x91231b4b, 0x11, "Marvell 88SE912x", AHCI_Q_NOBSYRES}, 174 {0x91231b4b, 0x00, "Marvell 88SE912x", AHCI_Q_EDGEIS|AHCI_Q_SATA2|AHCI_Q_NOBSYRES}, 175 {0x06201103, 0x00, "HighPoint RocketRAID 620", AHCI_Q_NOBSYRES}, 176 {0x06201b4b, 0x00, "HighPoint RocketRAID 620", AHCI_Q_NOBSYRES}, 177 {0x06221103, 0x00, "HighPoint RocketRAID 622", AHCI_Q_NOBSYRES}, 178 {0x06221b4b, 0x00, "HighPoint RocketRAID 622", AHCI_Q_NOBSYRES}, 179 {0x06401103, 0x00, "HighPoint RocketRAID 640", AHCI_Q_NOBSYRES}, 180 {0x06441103, 0x00, "HighPoint RocketRAID 644", AHCI_Q_NOBSYRES}, 181 {0x044c10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA}, 182 {0x044d10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA}, 183 {0x044e10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA}, 184 {0x044f10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA}, 185 {0x045c10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA}, 186 {0x045d10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA}, 187 {0x045e10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA}, 188 {0x045f10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA}, 189 {0x055010de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 190 {0x055110de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 191 {0x055210de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 192 {0x055310de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 193 {0x055410de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 194 {0x055510de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 195 {0x055610de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 196 {0x055710de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 197 {0x055810de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 198 {0x055910de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 199 {0x055A10de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 200 {0x055B10de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 201 {0x058410de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA}, 202 {0x07f010de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 203 {0x07f110de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 204 {0x07f210de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 205 {0x07f310de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 206 {0x07f410de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 207 {0x07f510de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 208 {0x07f610de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 209 {0x07f710de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 210 {0x07f810de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 211 {0x07f910de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 212 {0x07fa10de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 213 {0x07fb10de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA}, 214 {0x0ad010de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 215 {0x0ad110de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 216 {0x0ad210de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 217 {0x0ad310de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 218 {0x0ad410de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 219 {0x0ad510de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 220 {0x0ad610de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 221 {0x0ad710de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 222 {0x0ad810de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 223 {0x0ad910de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 224 {0x0ada10de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 225 {0x0adb10de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA}, 226 {0x0ab410de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 227 {0x0ab510de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 228 {0x0ab610de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 229 {0x0ab710de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 230 {0x0ab810de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 231 {0x0ab910de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 232 {0x0aba10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 233 {0x0abb10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 234 {0x0abc10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 235 {0x0abd10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 236 {0x0abe10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 237 {0x0abf10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA}, 238 {0x0d8410de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 239 {0x0d8510de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 240 {0x0d8610de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 241 {0x0d8710de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 242 {0x0d8810de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 243 {0x0d8910de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 244 {0x0d8a10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 245 {0x0d8b10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 246 {0x0d8c10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 247 {0x0d8d10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 248 {0x0d8e10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 249 {0x0d8f10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA}, 250 {0x33491106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ}, 251 {0x62871106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ}, 252 {0x11841039, 0x00, "SiS 966", 0}, 253 {0x11851039, 0x00, "SiS 968", 0}, 254 {0x01861039, 0x00, "SiS 968", 0}, 255 {0x00000000, 0x00, NULL, 0} 256}; 257 258static int 259ahci_probe(device_t dev) 260{ 261 char buf[64]; 262 int i, valid = 0; 263 uint32_t devid = pci_get_devid(dev); 264 uint8_t revid = pci_get_revid(dev); 265 266 /* Is this a possible AHCI candidate? */ 267 if (pci_get_class(dev) == PCIC_STORAGE && 268 pci_get_subclass(dev) == PCIS_STORAGE_SATA && 269 pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0) 270 valid = 1; 271 /* Is this a known AHCI chip? */ 272 for (i = 0; ahci_ids[i].id != 0; i++) { 273 if (ahci_ids[i].id == devid && 274 ahci_ids[i].rev <= revid && 275 (valid || !(ahci_ids[i].quirks & AHCI_Q_NOFORCE))) { 276 /* Do not attach JMicrons with single PCI function. */ 277 if (pci_get_vendor(dev) == 0x197b && 278 (pci_read_config(dev, 0xdf, 1) & 0x40) == 0) 279 return (ENXIO); 280 snprintf(buf, sizeof(buf), "%s AHCI SATA controller", 281 ahci_ids[i].name); 282 device_set_desc_copy(dev, buf); 283 return (BUS_PROBE_VENDOR); 284 } 285 } 286 if (!valid) 287 return (ENXIO); 288 device_set_desc_copy(dev, "AHCI SATA controller"); 289 return (BUS_PROBE_VENDOR); 290} 291 292static int 293ahci_ata_probe(device_t dev) 294{ 295 char buf[64]; 296 int i; 297 uint32_t devid = pci_get_devid(dev); 298 uint8_t revid = pci_get_revid(dev); 299 300 if ((intptr_t)device_get_ivars(dev) >= 0) 301 return (ENXIO); 302 /* Is this a known AHCI chip? */ 303 for (i = 0; ahci_ids[i].id != 0; i++) { 304 if (ahci_ids[i].id == devid && 305 ahci_ids[i].rev <= revid) { 306 snprintf(buf, sizeof(buf), "%s AHCI SATA controller", 307 ahci_ids[i].name); 308 device_set_desc_copy(dev, buf); 309 return (BUS_PROBE_VENDOR); 310 } 311 } 312 device_set_desc_copy(dev, "AHCI SATA controller"); 313 return (BUS_PROBE_VENDOR); 314} 315 316static int 317ahci_attach(device_t dev) 318{ 319 struct ahci_controller *ctlr = device_get_softc(dev); 320 device_t child; 321 int error, unit, speed, i; 322 uint32_t devid = pci_get_devid(dev); 323 uint8_t revid = pci_get_revid(dev); 324 u_int32_t version; 325 326 ctlr->dev = dev; 327 i = 0; 328 while (ahci_ids[i].id != 0 && 329 (ahci_ids[i].id != devid || 330 ahci_ids[i].rev > revid)) 331 i++; 332 ctlr->quirks = ahci_ids[i].quirks; 333 resource_int_value(device_get_name(dev), 334 device_get_unit(dev), "ccc", &ctlr->ccc); 335 /* if we have a memory BAR(5) we are likely on an AHCI part */ 336 ctlr->r_rid = PCIR_BAR(5); 337 if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 338 &ctlr->r_rid, RF_ACTIVE))) 339 return ENXIO; 340 /* Setup our own memory management for channels. */ 341 ctlr->sc_iomem.rm_start = rman_get_start(ctlr->r_mem); 342 ctlr->sc_iomem.rm_end = rman_get_end(ctlr->r_mem); 343 ctlr->sc_iomem.rm_type = RMAN_ARRAY; 344 ctlr->sc_iomem.rm_descr = "I/O memory addresses"; 345 if ((error = rman_init(&ctlr->sc_iomem)) != 0) { 346 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 347 return (error); 348 } 349 if ((error = rman_manage_region(&ctlr->sc_iomem, 350 rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) { 351 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 352 rman_fini(&ctlr->sc_iomem); 353 return (error); 354 } 355 pci_enable_busmaster(dev); 356 /* Reset controller */ 357 if ((error = ahci_ctlr_reset(dev)) != 0) { 358 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 359 rman_fini(&ctlr->sc_iomem); 360 return (error); 361 }; 362 /* Get the HW capabilities */ 363 version = ATA_INL(ctlr->r_mem, AHCI_VS); 364 ctlr->caps = ATA_INL(ctlr->r_mem, AHCI_CAP); 365 if (version >= 0x00010020) 366 ctlr->caps2 = ATA_INL(ctlr->r_mem, AHCI_CAP2); 367 if (ctlr->caps & AHCI_CAP_EMS) 368 ctlr->capsem = ATA_INL(ctlr->r_mem, AHCI_EM_CTL); 369 ctlr->ichannels = ATA_INL(ctlr->r_mem, AHCI_PI); 370 if (ctlr->quirks & AHCI_Q_1CH) { 371 ctlr->caps &= ~AHCI_CAP_NPMASK; 372 ctlr->ichannels &= 0x01; 373 } 374 if (ctlr->quirks & AHCI_Q_2CH) { 375 ctlr->caps &= ~AHCI_CAP_NPMASK; 376 ctlr->caps |= 1; 377 ctlr->ichannels &= 0x03; 378 } 379 if (ctlr->quirks & AHCI_Q_4CH) { 380 ctlr->caps &= ~AHCI_CAP_NPMASK; 381 ctlr->caps |= 3; 382 ctlr->ichannels &= 0x0f; 383 } 384 ctlr->channels = MAX(flsl(ctlr->ichannels), 385 (ctlr->caps & AHCI_CAP_NPMASK) + 1); 386 if (ctlr->quirks & AHCI_Q_NOPMP) 387 ctlr->caps &= ~AHCI_CAP_SPM; 388 if (ctlr->quirks & AHCI_Q_NONCQ) 389 ctlr->caps &= ~AHCI_CAP_SNCQ; 390 if ((ctlr->caps & AHCI_CAP_CCCS) == 0) 391 ctlr->ccc = 0; 392 ahci_ctlr_setup(dev); 393 /* Setup interrupts. */ 394 if (ahci_setup_interrupt(dev)) { 395 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 396 rman_fini(&ctlr->sc_iomem); 397 return ENXIO; 398 } 399 /* Announce HW capabilities. */ 400 speed = (ctlr->caps & AHCI_CAP_ISS) >> AHCI_CAP_ISS_SHIFT; 401 device_printf(dev, 402 "AHCI v%x.%02x with %d %sGbps ports, Port Multiplier %s%s\n", 403 ((version >> 20) & 0xf0) + ((version >> 16) & 0x0f), 404 ((version >> 4) & 0xf0) + (version & 0x0f), 405 (ctlr->caps & AHCI_CAP_NPMASK) + 1, 406 ((speed == 1) ? "1.5":((speed == 2) ? "3": 407 ((speed == 3) ? "6":"?"))), 408 (ctlr->caps & AHCI_CAP_SPM) ? 409 "supported" : "not supported", 410 (ctlr->caps & AHCI_CAP_FBSS) ? 411 " with FBS" : ""); 412 if (bootverbose) { 413 device_printf(dev, "Caps:%s%s%s%s%s%s%s%s %sGbps", 414 (ctlr->caps & AHCI_CAP_64BIT) ? " 64bit":"", 415 (ctlr->caps & AHCI_CAP_SNCQ) ? " NCQ":"", 416 (ctlr->caps & AHCI_CAP_SSNTF) ? " SNTF":"", 417 (ctlr->caps & AHCI_CAP_SMPS) ? " MPS":"", 418 (ctlr->caps & AHCI_CAP_SSS) ? " SS":"", 419 (ctlr->caps & AHCI_CAP_SALP) ? " ALP":"", 420 (ctlr->caps & AHCI_CAP_SAL) ? " AL":"", 421 (ctlr->caps & AHCI_CAP_SCLO) ? " CLO":"", 422 ((speed == 1) ? "1.5":((speed == 2) ? "3": 423 ((speed == 3) ? "6":"?")))); 424 printf("%s%s%s%s%s%s %dcmd%s%s%s %dports\n", 425 (ctlr->caps & AHCI_CAP_SAM) ? " AM":"", 426 (ctlr->caps & AHCI_CAP_SPM) ? " PM":"", 427 (ctlr->caps & AHCI_CAP_FBSS) ? " FBS":"", 428 (ctlr->caps & AHCI_CAP_PMD) ? " PMD":"", 429 (ctlr->caps & AHCI_CAP_SSC) ? " SSC":"", 430 (ctlr->caps & AHCI_CAP_PSC) ? " PSC":"", 431 ((ctlr->caps & AHCI_CAP_NCS) >> AHCI_CAP_NCS_SHIFT) + 1, 432 (ctlr->caps & AHCI_CAP_CCCS) ? " CCC":"", 433 (ctlr->caps & AHCI_CAP_EMS) ? " EM":"", 434 (ctlr->caps & AHCI_CAP_SXS) ? " eSATA":"", 435 (ctlr->caps & AHCI_CAP_NPMASK) + 1); 436 } 437 if (bootverbose && version >= 0x00010020) { 438 device_printf(dev, "Caps2:%s%s%s\n", 439 (ctlr->caps2 & AHCI_CAP2_APST) ? " APST":"", 440 (ctlr->caps2 & AHCI_CAP2_NVMP) ? " NVMP":"", 441 (ctlr->caps2 & AHCI_CAP2_BOH) ? " BOH":""); 442 } 443 if (bootverbose && (ctlr->caps & AHCI_CAP_EMS)) { 444 device_printf(dev, "EM Caps:%s%s%s%s%s%s%s%s\n", 445 (ctlr->capsem & AHCI_EM_PM) ? " PM":"", 446 (ctlr->capsem & AHCI_EM_ALHD) ? " ALHD":"", 447 (ctlr->capsem & AHCI_EM_XMT) ? " XMT":"", 448 (ctlr->capsem & AHCI_EM_SMB) ? " SMB":"", 449 (ctlr->capsem & AHCI_EM_SGPIO) ? " SGPIO":"", 450 (ctlr->capsem & AHCI_EM_SES2) ? " SES-2":"", 451 (ctlr->capsem & AHCI_EM_SAFTE) ? " SAF-TE":"", 452 (ctlr->capsem & AHCI_EM_LED) ? " LED":""); 453 } 454 /* Attach all channels on this controller */ 455 for (unit = 0; unit < ctlr->channels; unit++) { 456 if ((ctlr->ichannels & (1 << unit)) == 0) 457 continue; 458 child = device_add_child(dev, "ahcich", -1); 459 if (child == NULL) 460 device_printf(dev, "failed to add channel device\n"); 461 else 462 device_set_ivars(child, (void *)(intptr_t)unit); 463 } 464 bus_generic_attach(dev); 465 return 0; 466} 467 468static int 469ahci_detach(device_t dev) 470{ 471 struct ahci_controller *ctlr = device_get_softc(dev); 472 device_t *children; 473 int nchildren, i; 474 475 /* Detach & delete all children */ 476 if (!device_get_children(dev, &children, &nchildren)) { 477 for (i = 0; i < nchildren; i++) 478 device_delete_child(dev, children[i]); 479 free(children, M_TEMP); 480 } 481 /* Free interrupts. */ 482 for (i = 0; i < ctlr->numirqs; i++) { 483 if (ctlr->irqs[i].r_irq) { 484 bus_teardown_intr(dev, ctlr->irqs[i].r_irq, 485 ctlr->irqs[i].handle); 486 bus_release_resource(dev, SYS_RES_IRQ, 487 ctlr->irqs[i].r_irq_rid, ctlr->irqs[i].r_irq); 488 } 489 } 490 pci_release_msi(dev); 491 /* Free memory. */ 492 rman_fini(&ctlr->sc_iomem); 493 if (ctlr->r_mem) 494 bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem); 495 return (0); 496} 497 498static int 499ahci_ctlr_reset(device_t dev) 500{ 501 struct ahci_controller *ctlr = device_get_softc(dev); 502 int timeout; 503 504 if (pci_read_config(dev, 0x00, 4) == 0x28298086 && 505 (pci_read_config(dev, 0x92, 1) & 0xfe) == 0x04) 506 pci_write_config(dev, 0x92, 0x01, 1); 507 /* Enable AHCI mode */ 508 ATA_OUTL(ctlr->r_mem, AHCI_GHC, AHCI_GHC_AE); 509 /* Reset AHCI controller */ 510 ATA_OUTL(ctlr->r_mem, AHCI_GHC, AHCI_GHC_AE|AHCI_GHC_HR); 511 for (timeout = 1000; timeout > 0; timeout--) { 512 DELAY(1000); 513 if ((ATA_INL(ctlr->r_mem, AHCI_GHC) & AHCI_GHC_HR) == 0) 514 break; 515 } 516 if (timeout == 0) { 517 device_printf(dev, "AHCI controller reset failure\n"); 518 return ENXIO; 519 } 520 /* Reenable AHCI mode */ 521 ATA_OUTL(ctlr->r_mem, AHCI_GHC, AHCI_GHC_AE); 522 return (0); 523} 524 525static int 526ahci_ctlr_setup(device_t dev) 527{ 528 struct ahci_controller *ctlr = device_get_softc(dev); 529 /* Clear interrupts */ 530 ATA_OUTL(ctlr->r_mem, AHCI_IS, ATA_INL(ctlr->r_mem, AHCI_IS)); 531 /* Configure CCC */ 532 if (ctlr->ccc) { 533 ATA_OUTL(ctlr->r_mem, AHCI_CCCP, ATA_INL(ctlr->r_mem, AHCI_PI)); 534 ATA_OUTL(ctlr->r_mem, AHCI_CCCC, 535 (ctlr->ccc << AHCI_CCCC_TV_SHIFT) | 536 (4 << AHCI_CCCC_CC_SHIFT) | 537 AHCI_CCCC_EN); 538 ctlr->cccv = (ATA_INL(ctlr->r_mem, AHCI_CCCC) & 539 AHCI_CCCC_INT_MASK) >> AHCI_CCCC_INT_SHIFT; 540 if (bootverbose) { 541 device_printf(dev, 542 "CCC with %dms/4cmd enabled on vector %d\n", 543 ctlr->ccc, ctlr->cccv); 544 } 545 } 546 /* Enable AHCI interrupts */ 547 ATA_OUTL(ctlr->r_mem, AHCI_GHC, 548 ATA_INL(ctlr->r_mem, AHCI_GHC) | AHCI_GHC_IE); 549 return (0); 550} 551 552static int 553ahci_suspend(device_t dev) 554{ 555 struct ahci_controller *ctlr = device_get_softc(dev); 556 557 bus_generic_suspend(dev); 558 /* Disable interupts, so the state change(s) doesn't trigger */ 559 ATA_OUTL(ctlr->r_mem, AHCI_GHC, 560 ATA_INL(ctlr->r_mem, AHCI_GHC) & (~AHCI_GHC_IE)); 561 return 0; 562} 563 564static int 565ahci_resume(device_t dev) 566{ 567 int res; 568 569 if ((res = ahci_ctlr_reset(dev)) != 0) 570 return (res); 571 ahci_ctlr_setup(dev); 572 return (bus_generic_resume(dev)); 573} 574 575static int 576ahci_setup_interrupt(device_t dev) 577{ 578 struct ahci_controller *ctlr = device_get_softc(dev); 579 int i, msi = 1; 580 581 /* Process hints. */ 582 resource_int_value(device_get_name(dev), 583 device_get_unit(dev), "msi", &msi); 584 if (msi < 0) 585 msi = 0; 586 else if (msi == 1) 587 msi = min(1, pci_msi_count(dev)); 588 else if (msi > 1) 589 msi = pci_msi_count(dev); 590 /* Allocate MSI if needed/present. */ 591 if (msi && pci_alloc_msi(dev, &msi) == 0) { 592 ctlr->numirqs = msi; 593 } else { 594 msi = 0; 595 ctlr->numirqs = 1; 596 } 597 /* Check for single MSI vector fallback. */ 598 if (ctlr->numirqs > 1 && 599 (ATA_INL(ctlr->r_mem, AHCI_GHC) & AHCI_GHC_MRSM) != 0) { 600 device_printf(dev, "Falling back to one MSI\n"); 601 ctlr->numirqs = 1; 602 } 603 /* Allocate all IRQs. */ 604 for (i = 0; i < ctlr->numirqs; i++) { 605 ctlr->irqs[i].ctlr = ctlr; 606 ctlr->irqs[i].r_irq_rid = i + (msi ? 1 : 0); 607 if (ctlr->numirqs == 1 || i >= ctlr->channels || 608 (ctlr->ccc && i == ctlr->cccv)) 609 ctlr->irqs[i].mode = AHCI_IRQ_MODE_ALL; 610 else if (i == ctlr->numirqs - 1) 611 ctlr->irqs[i].mode = AHCI_IRQ_MODE_AFTER; 612 else 613 ctlr->irqs[i].mode = AHCI_IRQ_MODE_ONE; 614 if (!(ctlr->irqs[i].r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 615 &ctlr->irqs[i].r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) { 616 device_printf(dev, "unable to map interrupt\n"); 617 return ENXIO; 618 } 619 if ((bus_setup_intr(dev, ctlr->irqs[i].r_irq, ATA_INTR_FLAGS, NULL, 620 (ctlr->irqs[i].mode == AHCI_IRQ_MODE_ONE) ? ahci_intr_one : ahci_intr, 621 &ctlr->irqs[i], &ctlr->irqs[i].handle))) { 622 /* SOS XXX release r_irq */ 623 device_printf(dev, "unable to setup interrupt\n"); 624 return ENXIO; 625 } 626 if (ctlr->numirqs > 1) { 627 bus_describe_intr(dev, ctlr->irqs[i].r_irq, 628 ctlr->irqs[i].handle, 629 ctlr->irqs[i].mode == AHCI_IRQ_MODE_ONE ? 630 "ch%d" : "%d", i); 631 } 632 } 633 return (0); 634} 635 636/* 637 * Common case interrupt handler. 638 */ 639static void 640ahci_intr(void *data) 641{ 642 struct ahci_controller_irq *irq = data; 643 struct ahci_controller *ctlr = irq->ctlr; 644 u_int32_t is, ise = 0; 645 void *arg; 646 int unit; 647 648 if (irq->mode == AHCI_IRQ_MODE_ALL) { 649 unit = 0; 650 if (ctlr->ccc) 651 is = ctlr->ichannels; 652 else 653 is = ATA_INL(ctlr->r_mem, AHCI_IS); 654 } else { /* AHCI_IRQ_MODE_AFTER */ 655 unit = irq->r_irq_rid - 1; 656 is = ATA_INL(ctlr->r_mem, AHCI_IS); 657 } 658 /* CCC interrupt is edge triggered. */ 659 if (ctlr->ccc) 660 ise = 1 << ctlr->cccv; 661 /* Some controllers have edge triggered IS. */ 662 if (ctlr->quirks & AHCI_Q_EDGEIS) 663 ise |= is; 664 if (ise != 0) 665 ATA_OUTL(ctlr->r_mem, AHCI_IS, ise); 666 for (; unit < ctlr->channels; unit++) { 667 if ((is & (1 << unit)) != 0 && 668 (arg = ctlr->interrupt[unit].argument)) { 669 ctlr->interrupt[unit].function(arg); 670 } 671 } 672 /* AHCI declares level triggered IS. */ 673 if (!(ctlr->quirks & AHCI_Q_EDGEIS)) 674 ATA_OUTL(ctlr->r_mem, AHCI_IS, is); 675} 676 677/* 678 * Simplified interrupt handler for multivector MSI mode. 679 */ 680static void 681ahci_intr_one(void *data) 682{ 683 struct ahci_controller_irq *irq = data; 684 struct ahci_controller *ctlr = irq->ctlr; 685 void *arg; 686 int unit; 687 688 unit = irq->r_irq_rid - 1; 689 /* Some controllers have edge triggered IS. */ 690 if (ctlr->quirks & AHCI_Q_EDGEIS) 691 ATA_OUTL(ctlr->r_mem, AHCI_IS, 1 << unit); 692 if ((arg = ctlr->interrupt[unit].argument)) 693 ctlr->interrupt[unit].function(arg); 694 /* AHCI declares level triggered IS. */ 695 if (!(ctlr->quirks & AHCI_Q_EDGEIS)) 696 ATA_OUTL(ctlr->r_mem, AHCI_IS, 1 << unit); 697} 698 699static struct resource * 700ahci_alloc_resource(device_t dev, device_t child, int type, int *rid, 701 u_long start, u_long end, u_long count, u_int flags) 702{ 703 struct ahci_controller *ctlr = device_get_softc(dev); 704 int unit = ((struct ahci_channel *)device_get_softc(child))->unit; 705 struct resource *res = NULL; 706 int offset = AHCI_OFFSET + (unit << 7); 707 long st; 708 709 switch (type) { 710 case SYS_RES_MEMORY: 711 st = rman_get_start(ctlr->r_mem); 712 res = rman_reserve_resource(&ctlr->sc_iomem, st + offset, 713 st + offset + 127, 128, RF_ACTIVE, child); 714 if (res) { 715 bus_space_handle_t bsh; 716 bus_space_tag_t bst; 717 bsh = rman_get_bushandle(ctlr->r_mem); 718 bst = rman_get_bustag(ctlr->r_mem); 719 bus_space_subregion(bst, bsh, offset, 128, &bsh); 720 rman_set_bushandle(res, bsh); 721 rman_set_bustag(res, bst); 722 } 723 break; 724 case SYS_RES_IRQ: 725 if (*rid == ATA_IRQ_RID) 726 res = ctlr->irqs[0].r_irq; 727 break; 728 } 729 return (res); 730} 731 732static int 733ahci_release_resource(device_t dev, device_t child, int type, int rid, 734 struct resource *r) 735{ 736 737 switch (type) { 738 case SYS_RES_MEMORY: 739 rman_release_resource(r); 740 return (0); 741 case SYS_RES_IRQ: 742 if (rid != ATA_IRQ_RID) 743 return ENOENT; 744 return (0); 745 } 746 return (EINVAL); 747} 748 749static int 750ahci_setup_intr(device_t dev, device_t child, struct resource *irq, 751 int flags, driver_filter_t *filter, driver_intr_t *function, 752 void *argument, void **cookiep) 753{ 754 struct ahci_controller *ctlr = device_get_softc(dev); 755 int unit = (intptr_t)device_get_ivars(child); 756 757 if (filter != NULL) { 758 printf("ahci.c: we cannot use a filter here\n"); 759 return (EINVAL); 760 } 761 ctlr->interrupt[unit].function = function; 762 ctlr->interrupt[unit].argument = argument; 763 return (0); 764} 765 766static int 767ahci_teardown_intr(device_t dev, device_t child, struct resource *irq, 768 void *cookie) 769{ 770 struct ahci_controller *ctlr = device_get_softc(dev); 771 int unit = (intptr_t)device_get_ivars(child); 772 773 ctlr->interrupt[unit].function = NULL; 774 ctlr->interrupt[unit].argument = NULL; 775 return (0); 776} 777 778static int 779ahci_print_child(device_t dev, device_t child) 780{ 781 int retval; 782 783 retval = bus_print_child_header(dev, child); 784 retval += printf(" at channel %d", 785 (int)(intptr_t)device_get_ivars(child)); 786 retval += bus_print_child_footer(dev, child); 787 788 return (retval); 789} 790 791static int 792ahci_child_location_str(device_t dev, device_t child, char *buf, 793 size_t buflen) 794{ 795 796 snprintf(buf, buflen, "channel=%d", 797 (int)(intptr_t)device_get_ivars(child)); 798 return (0); 799} 800 801devclass_t ahci_devclass; 802static device_method_t ahci_methods[] = { 803 DEVMETHOD(device_probe, ahci_probe), 804 DEVMETHOD(device_attach, ahci_attach), 805 DEVMETHOD(device_detach, ahci_detach), 806 DEVMETHOD(device_suspend, ahci_suspend), 807 DEVMETHOD(device_resume, ahci_resume), 808 DEVMETHOD(bus_print_child, ahci_print_child), 809 DEVMETHOD(bus_alloc_resource, ahci_alloc_resource), 810 DEVMETHOD(bus_release_resource, ahci_release_resource), 811 DEVMETHOD(bus_setup_intr, ahci_setup_intr), 812 DEVMETHOD(bus_teardown_intr,ahci_teardown_intr), 813 DEVMETHOD(bus_child_location_str, ahci_child_location_str), 814 { 0, 0 } 815}; 816static driver_t ahci_driver = { 817 "ahci", 818 ahci_methods, 819 sizeof(struct ahci_controller) 820}; 821DRIVER_MODULE(ahci, pci, ahci_driver, ahci_devclass, 0, 0); 822static device_method_t ahci_ata_methods[] = { 823 DEVMETHOD(device_probe, ahci_ata_probe), 824 DEVMETHOD(device_attach, ahci_attach), 825 DEVMETHOD(device_detach, ahci_detach), 826 DEVMETHOD(device_suspend, ahci_suspend), 827 DEVMETHOD(device_resume, ahci_resume), 828 DEVMETHOD(bus_print_child, ahci_print_child), 829 DEVMETHOD(bus_alloc_resource, ahci_alloc_resource), 830 DEVMETHOD(bus_release_resource, ahci_release_resource), 831 DEVMETHOD(bus_setup_intr, ahci_setup_intr), 832 DEVMETHOD(bus_teardown_intr,ahci_teardown_intr), 833 DEVMETHOD(bus_child_location_str, ahci_child_location_str), 834 { 0, 0 } 835}; 836static driver_t ahci_ata_driver = { 837 "ahci", 838 ahci_ata_methods, 839 sizeof(struct ahci_controller) 840}; 841DRIVER_MODULE(ahci, atapci, ahci_ata_driver, ahci_devclass, 0, 0); 842MODULE_VERSION(ahci, 1); 843MODULE_DEPEND(ahci, cam, 1, 1, 1); 844 845static int 846ahci_ch_probe(device_t dev) 847{ 848 849 device_set_desc_copy(dev, "AHCI channel"); 850 return (0); 851} 852 853static int 854ahci_ch_attach(device_t dev) 855{ 856 struct ahci_controller *ctlr = device_get_softc(device_get_parent(dev)); 857 struct ahci_channel *ch = device_get_softc(dev); 858 struct cam_devq *devq; 859 int rid, error, i, sata_rev = 0; 860 u_int32_t version; 861 862 ch->dev = dev; 863 ch->unit = (intptr_t)device_get_ivars(dev); 864 ch->caps = ctlr->caps; 865 ch->caps2 = ctlr->caps2; 866 ch->quirks = ctlr->quirks; 867 ch->numslots = ((ch->caps & AHCI_CAP_NCS) >> AHCI_CAP_NCS_SHIFT) + 1; 868 mtx_init(&ch->mtx, "AHCI channel lock", NULL, MTX_DEF); 869 resource_int_value(device_get_name(dev), 870 device_get_unit(dev), "pm_level", &ch->pm_level); 871 if (ch->pm_level > 3) 872 callout_init_mtx(&ch->pm_timer, &ch->mtx, 0); 873 /* Limit speed for my onboard JMicron external port. 874 * It is not eSATA really. */ 875 if (pci_get_devid(ctlr->dev) == 0x2363197b && 876 pci_get_subvendor(ctlr->dev) == 0x1043 && 877 pci_get_subdevice(ctlr->dev) == 0x81e4 && 878 ch->unit == 0) 879 sata_rev = 1; 880 if (ch->quirks & AHCI_Q_SATA2) 881 sata_rev = 2; 882 resource_int_value(device_get_name(dev), 883 device_get_unit(dev), "sata_rev", &sata_rev); 884 for (i = 0; i < 16; i++) { 885 ch->user[i].revision = sata_rev; 886 ch->user[i].mode = 0; 887 ch->user[i].bytecount = 8192; 888 ch->user[i].tags = ch->numslots; 889 ch->user[i].caps = 0; 890 ch->curr[i] = ch->user[i]; 891 if (ch->pm_level) { 892 ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ | 893 CTS_SATA_CAPS_H_APST | 894 CTS_SATA_CAPS_D_PMREQ | CTS_SATA_CAPS_D_APST; 895 } 896 ch->user[i].caps |= CTS_SATA_CAPS_H_DMAAA; 897 } 898 rid = ch->unit; 899 if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 900 &rid, RF_ACTIVE))) 901 return (ENXIO); 902 ahci_dmainit(dev); 903 ahci_slotsalloc(dev); 904 ahci_ch_init(dev); 905 mtx_lock(&ch->mtx); 906 rid = ATA_IRQ_RID; 907 if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 908 &rid, RF_SHAREABLE | RF_ACTIVE))) { 909 device_printf(dev, "Unable to map interrupt\n"); 910 error = ENXIO; 911 goto err0; 912 } 913 if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL, 914 ahci_ch_intr_locked, dev, &ch->ih))) { 915 device_printf(dev, "Unable to setup interrupt\n"); 916 error = ENXIO; 917 goto err1; 918 } 919 ch->chcaps = ATA_INL(ch->r_mem, AHCI_P_CMD); 920 version = ATA_INL(ctlr->r_mem, AHCI_VS); 921 if (version < 0x00010020 && (ctlr->caps & AHCI_CAP_FBSS)) 922 ch->chcaps |= AHCI_P_CMD_FBSCP; 923 if (bootverbose) { 924 device_printf(dev, "Caps:%s%s%s%s%s\n", 925 (ch->chcaps & AHCI_P_CMD_HPCP) ? " HPCP":"", 926 (ch->chcaps & AHCI_P_CMD_MPSP) ? " MPSP":"", 927 (ch->chcaps & AHCI_P_CMD_CPD) ? " CPD":"", 928 (ch->chcaps & AHCI_P_CMD_ESP) ? " ESP":"", 929 (ch->chcaps & AHCI_P_CMD_FBSCP) ? " FBSCP":""); 930 } 931 /* Create the device queue for our SIM. */ 932 devq = cam_simq_alloc(ch->numslots); 933 if (devq == NULL) { 934 device_printf(dev, "Unable to allocate simq\n"); 935 error = ENOMEM; 936 goto err1; 937 } 938 /* Construct SIM entry */ 939 ch->sim = cam_sim_alloc(ahciaction, ahcipoll, "ahcich", ch, 940 device_get_unit(dev), &ch->mtx, 941 min(2, ch->numslots), 942 (ch->caps & AHCI_CAP_SNCQ) ? ch->numslots : 0, 943 devq); 944 if (ch->sim == NULL) { 945 cam_simq_free(devq); 946 device_printf(dev, "unable to allocate sim\n"); 947 error = ENOMEM; 948 goto err1; 949 } 950 if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) { 951 device_printf(dev, "unable to register xpt bus\n"); 952 error = ENXIO; 953 goto err2; 954 } 955 if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim), 956 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 957 device_printf(dev, "unable to create path\n"); 958 error = ENXIO; 959 goto err3; 960 } 961 if (ch->pm_level > 3) { 962 callout_reset(&ch->pm_timer, 963 (ch->pm_level == 4) ? hz / 1000 : hz / 8, 964 ahci_ch_pm, dev); 965 } 966 mtx_unlock(&ch->mtx); 967 return (0); 968 969err3: 970 xpt_bus_deregister(cam_sim_path(ch->sim)); 971err2: 972 cam_sim_free(ch->sim, /*free_devq*/TRUE); 973err1: 974 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 975err0: 976 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 977 mtx_unlock(&ch->mtx); 978 mtx_destroy(&ch->mtx); 979 return (error); 980} 981 982static int 983ahci_ch_detach(device_t dev) 984{ 985 struct ahci_channel *ch = device_get_softc(dev); 986 987 mtx_lock(&ch->mtx); 988 xpt_async(AC_LOST_DEVICE, ch->path, NULL); 989 xpt_free_path(ch->path); 990 xpt_bus_deregister(cam_sim_path(ch->sim)); 991 cam_sim_free(ch->sim, /*free_devq*/TRUE); 992 mtx_unlock(&ch->mtx); 993 994 if (ch->pm_level > 3) 995 callout_drain(&ch->pm_timer); 996 bus_teardown_intr(dev, ch->r_irq, ch->ih); 997 bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 998 999 ahci_ch_deinit(dev); 1000 ahci_slotsfree(dev); 1001 ahci_dmafini(dev); 1002 1003 bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem); 1004 mtx_destroy(&ch->mtx); 1005 return (0); 1006} 1007 1008static int 1009ahci_ch_init(device_t dev) 1010{ 1011 struct ahci_channel *ch = device_get_softc(dev); 1012 uint64_t work; 1013 1014 /* Disable port interrupts */ 1015 ATA_OUTL(ch->r_mem, AHCI_P_IE, 0); 1016 /* Setup work areas */ 1017 work = ch->dma.work_bus + AHCI_CL_OFFSET; 1018 ATA_OUTL(ch->r_mem, AHCI_P_CLB, work & 0xffffffff); 1019 ATA_OUTL(ch->r_mem, AHCI_P_CLBU, work >> 32); 1020 work = ch->dma.rfis_bus; 1021 ATA_OUTL(ch->r_mem, AHCI_P_FB, work & 0xffffffff); 1022 ATA_OUTL(ch->r_mem, AHCI_P_FBU, work >> 32); 1023 /* Activate the channel and power/spin up device */ 1024 ATA_OUTL(ch->r_mem, AHCI_P_CMD, 1025 (AHCI_P_CMD_ACTIVE | AHCI_P_CMD_POD | AHCI_P_CMD_SUD | 1026 ((ch->pm_level == 2 || ch->pm_level == 3) ? AHCI_P_CMD_ALPE : 0) | 1027 ((ch->pm_level > 2) ? AHCI_P_CMD_ASP : 0 ))); 1028 ahci_start_fr(dev); 1029 ahci_start(dev, 1); 1030 return (0); 1031} 1032 1033static int 1034ahci_ch_deinit(device_t dev) 1035{ 1036 struct ahci_channel *ch = device_get_softc(dev); 1037 1038 /* Disable port interrupts. */ 1039 ATA_OUTL(ch->r_mem, AHCI_P_IE, 0); 1040 /* Reset command register. */ 1041 ahci_stop(dev); 1042 ahci_stop_fr(dev); 1043 ATA_OUTL(ch->r_mem, AHCI_P_CMD, 0); 1044 /* Allow everything, including partial and slumber modes. */ 1045 ATA_OUTL(ch->r_mem, AHCI_P_SCTL, 0); 1046 /* Request slumber mode transition and give some time to get there. */ 1047 ATA_OUTL(ch->r_mem, AHCI_P_CMD, AHCI_P_CMD_SLUMBER); 1048 DELAY(100); 1049 /* Disable PHY. */ 1050 ATA_OUTL(ch->r_mem, AHCI_P_SCTL, ATA_SC_DET_DISABLE); 1051 return (0); 1052} 1053 1054static int 1055ahci_ch_suspend(device_t dev) 1056{ 1057 struct ahci_channel *ch = device_get_softc(dev); 1058 1059 mtx_lock(&ch->mtx); 1060 xpt_freeze_simq(ch->sim, 1); 1061 while (ch->oslots) 1062 msleep(ch, &ch->mtx, PRIBIO, "ahcisusp", hz/100); 1063 ahci_ch_deinit(dev); 1064 mtx_unlock(&ch->mtx); 1065 return (0); 1066} 1067 1068static int 1069ahci_ch_resume(device_t dev) 1070{ 1071 struct ahci_channel *ch = device_get_softc(dev); 1072 1073 mtx_lock(&ch->mtx); 1074 ahci_ch_init(dev); 1075 ahci_reset(dev); 1076 xpt_release_simq(ch->sim, TRUE); 1077 mtx_unlock(&ch->mtx); 1078 return (0); 1079} 1080 1081devclass_t ahcich_devclass; 1082static device_method_t ahcich_methods[] = { 1083 DEVMETHOD(device_probe, ahci_ch_probe), 1084 DEVMETHOD(device_attach, ahci_ch_attach), 1085 DEVMETHOD(device_detach, ahci_ch_detach), 1086 DEVMETHOD(device_suspend, ahci_ch_suspend), 1087 DEVMETHOD(device_resume, ahci_ch_resume), 1088 { 0, 0 } 1089}; 1090static driver_t ahcich_driver = { 1091 "ahcich", 1092 ahcich_methods, 1093 sizeof(struct ahci_channel) 1094}; 1095DRIVER_MODULE(ahcich, ahci, ahcich_driver, ahcich_devclass, 0, 0); 1096 1097struct ahci_dc_cb_args { 1098 bus_addr_t maddr; 1099 int error; 1100}; 1101 1102static void 1103ahci_dmainit(device_t dev) 1104{ 1105 struct ahci_channel *ch = device_get_softc(dev); 1106 struct ahci_dc_cb_args dcba; 1107 size_t rfsize; 1108 1109 if (ch->caps & AHCI_CAP_64BIT) 1110 ch->dma.max_address = BUS_SPACE_MAXADDR; 1111 else 1112 ch->dma.max_address = BUS_SPACE_MAXADDR_32BIT; 1113 /* Command area. */ 1114 if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0, 1115 ch->dma.max_address, BUS_SPACE_MAXADDR, 1116 NULL, NULL, AHCI_WORK_SIZE, 1, AHCI_WORK_SIZE, 1117 0, NULL, NULL, &ch->dma.work_tag)) 1118 goto error; 1119 if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0, 1120 &ch->dma.work_map)) 1121 goto error; 1122 if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work, 1123 AHCI_WORK_SIZE, ahci_dmasetupc_cb, &dcba, 0) || dcba.error) { 1124 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 1125 goto error; 1126 } 1127 ch->dma.work_bus = dcba.maddr; 1128 /* FIS receive area. */ 1129 if (ch->chcaps & AHCI_P_CMD_FBSCP) 1130 rfsize = 4096; 1131 else 1132 rfsize = 256; 1133 if (bus_dma_tag_create(bus_get_dma_tag(dev), rfsize, 0, 1134 ch->dma.max_address, BUS_SPACE_MAXADDR, 1135 NULL, NULL, rfsize, 1, rfsize, 1136 0, NULL, NULL, &ch->dma.rfis_tag)) 1137 goto error; 1138 if (bus_dmamem_alloc(ch->dma.rfis_tag, (void **)&ch->dma.rfis, 0, 1139 &ch->dma.rfis_map)) 1140 goto error; 1141 if (bus_dmamap_load(ch->dma.rfis_tag, ch->dma.rfis_map, ch->dma.rfis, 1142 rfsize, ahci_dmasetupc_cb, &dcba, 0) || dcba.error) { 1143 bus_dmamem_free(ch->dma.rfis_tag, ch->dma.rfis, ch->dma.rfis_map); 1144 goto error; 1145 } 1146 ch->dma.rfis_bus = dcba.maddr; 1147 /* Data area. */ 1148 if (bus_dma_tag_create(bus_get_dma_tag(dev), 2, 0, 1149 ch->dma.max_address, BUS_SPACE_MAXADDR, 1150 NULL, NULL, 1151 AHCI_SG_ENTRIES * PAGE_SIZE * ch->numslots, 1152 AHCI_SG_ENTRIES, AHCI_PRD_MAX, 1153 0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) { 1154 goto error; 1155 } 1156 return; 1157 1158error: 1159 device_printf(dev, "WARNING - DMA initialization failed\n"); 1160 ahci_dmafini(dev); 1161} 1162 1163static void 1164ahci_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) 1165{ 1166 struct ahci_dc_cb_args *dcba = (struct ahci_dc_cb_args *)xsc; 1167 1168 if (!(dcba->error = error)) 1169 dcba->maddr = segs[0].ds_addr; 1170} 1171 1172static void 1173ahci_dmafini(device_t dev) 1174{ 1175 struct ahci_channel *ch = device_get_softc(dev); 1176 1177 if (ch->dma.data_tag) { 1178 bus_dma_tag_destroy(ch->dma.data_tag); 1179 ch->dma.data_tag = NULL; 1180 } 1181 if (ch->dma.rfis_bus) { 1182 bus_dmamap_unload(ch->dma.rfis_tag, ch->dma.rfis_map); 1183 bus_dmamem_free(ch->dma.rfis_tag, ch->dma.rfis, ch->dma.rfis_map); 1184 ch->dma.rfis_bus = 0; 1185 ch->dma.rfis_map = NULL; 1186 ch->dma.rfis = NULL; 1187 } 1188 if (ch->dma.work_bus) { 1189 bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map); 1190 bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map); 1191 ch->dma.work_bus = 0; 1192 ch->dma.work_map = NULL; 1193 ch->dma.work = NULL; 1194 } 1195 if (ch->dma.work_tag) { 1196 bus_dma_tag_destroy(ch->dma.work_tag); 1197 ch->dma.work_tag = NULL; 1198 } 1199} 1200 1201static void 1202ahci_slotsalloc(device_t dev) 1203{ 1204 struct ahci_channel *ch = device_get_softc(dev); 1205 int i; 1206 1207 /* Alloc and setup command/dma slots */ 1208 bzero(ch->slot, sizeof(ch->slot)); 1209 for (i = 0; i < ch->numslots; i++) { 1210 struct ahci_slot *slot = &ch->slot[i]; 1211 1212 slot->dev = dev; 1213 slot->slot = i; 1214 slot->state = AHCI_SLOT_EMPTY; 1215 slot->ccb = NULL; 1216 callout_init_mtx(&slot->timeout, &ch->mtx, 0); 1217 1218 if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map)) 1219 device_printf(ch->dev, "FAILURE - create data_map\n"); 1220 } 1221} 1222 1223static void 1224ahci_slotsfree(device_t dev) 1225{ 1226 struct ahci_channel *ch = device_get_softc(dev); 1227 int i; 1228 1229 /* Free all dma slots */ 1230 for (i = 0; i < ch->numslots; i++) { 1231 struct ahci_slot *slot = &ch->slot[i]; 1232 1233 callout_drain(&slot->timeout); 1234 if (slot->dma.data_map) { 1235 bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map); 1236 slot->dma.data_map = NULL; 1237 } 1238 } 1239} 1240 1241static void 1242ahci_phy_check_events(device_t dev, u_int32_t serr) 1243{ 1244 struct ahci_channel *ch = device_get_softc(dev); 1245 1246 if ((serr & ATA_SE_PHY_CHANGED) && (ch->pm_level == 0)) { 1247 u_int32_t status = ATA_INL(ch->r_mem, AHCI_P_SSTS); 1248 union ccb *ccb; 1249 1250 if (bootverbose) { 1251 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 1252 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 1253 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) { 1254 device_printf(dev, "CONNECT requested\n"); 1255 } else 1256 device_printf(dev, "DISCONNECT requested\n"); 1257 } 1258 ahci_reset(dev); 1259 if ((ccb = xpt_alloc_ccb_nowait()) == NULL) 1260 return; 1261 if (xpt_create_path(&ccb->ccb_h.path, NULL, 1262 cam_sim_path(ch->sim), 1263 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1264 xpt_free_ccb(ccb); 1265 return; 1266 } 1267 xpt_rescan(ccb); 1268 } 1269} 1270 1271static void 1272ahci_notify_events(device_t dev, u_int32_t status) 1273{ 1274 struct ahci_channel *ch = device_get_softc(dev); 1275 struct cam_path *dpath; 1276 int i; 1277 1278 if (ch->caps & AHCI_CAP_SSNTF) 1279 ATA_OUTL(ch->r_mem, AHCI_P_SNTF, status); 1280 if (bootverbose) 1281 device_printf(dev, "SNTF 0x%04x\n", status); 1282 for (i = 0; i < 16; i++) { 1283 if ((status & (1 << i)) == 0) 1284 continue; 1285 if (xpt_create_path(&dpath, NULL, 1286 xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { 1287 xpt_async(AC_SCSI_AEN, dpath, NULL); 1288 xpt_free_path(dpath); 1289 } 1290 } 1291} 1292 1293static void 1294ahci_ch_intr_locked(void *data) 1295{ 1296 device_t dev = (device_t)data; 1297 struct ahci_channel *ch = device_get_softc(dev); 1298 1299 mtx_lock(&ch->mtx); 1300 ahci_ch_intr(data); 1301 mtx_unlock(&ch->mtx); 1302} 1303 1304static void 1305ahci_ch_pm(void *arg) 1306{ 1307 device_t dev = (device_t)arg; 1308 struct ahci_channel *ch = device_get_softc(dev); 1309 uint32_t work; 1310 1311 if (ch->numrslots != 0) 1312 return; 1313 work = ATA_INL(ch->r_mem, AHCI_P_CMD); 1314 if (ch->pm_level == 4) 1315 work |= AHCI_P_CMD_PARTIAL; 1316 else 1317 work |= AHCI_P_CMD_SLUMBER; 1318 ATA_OUTL(ch->r_mem, AHCI_P_CMD, work); 1319} 1320 1321static void 1322ahci_ch_intr(void *data) 1323{ 1324 device_t dev = (device_t)data; 1325 struct ahci_channel *ch = device_get_softc(dev); 1326 uint32_t istatus, sstatus, cstatus, serr = 0, sntf = 0, ok, err; 1327 enum ahci_err_type et; 1328 int i, ccs, port; 1329 1330 /* Read and clear interrupt statuses. */ 1331 istatus = ATA_INL(ch->r_mem, AHCI_P_IS); 1332 if (istatus == 0) 1333 return; 1334 ATA_OUTL(ch->r_mem, AHCI_P_IS, istatus); 1335 /* Read command statuses. */ 1336 sstatus = ATA_INL(ch->r_mem, AHCI_P_SACT); 1337 cstatus = ATA_INL(ch->r_mem, AHCI_P_CI); 1338 if (istatus & AHCI_P_IX_SDB) { 1339 if (ch->caps & AHCI_CAP_SSNTF) 1340 sntf = ATA_INL(ch->r_mem, AHCI_P_SNTF); 1341 else if (ch->fbs_enabled) { 1342 u_int8_t *fis = ch->dma.rfis + 0x58; 1343 1344 for (i = 0; i < 16; i++) { 1345 if (fis[1] & 0x80) { 1346 fis[1] &= 0x7f; 1347 sntf |= 1 << i; 1348 } 1349 fis += 256; 1350 } 1351 } else { 1352 u_int8_t *fis = ch->dma.rfis + 0x58; 1353 1354 if (fis[1] & 0x80) 1355 sntf = (1 << (fis[1] & 0x0f)); 1356 } 1357 } 1358 /* Process PHY events */ 1359 if (istatus & (AHCI_P_IX_PC | AHCI_P_IX_PRC | AHCI_P_IX_OF | 1360 AHCI_P_IX_IF | AHCI_P_IX_HBD | AHCI_P_IX_HBF | AHCI_P_IX_TFE)) { 1361 serr = ATA_INL(ch->r_mem, AHCI_P_SERR); 1362 if (serr) { 1363 ATA_OUTL(ch->r_mem, AHCI_P_SERR, serr); 1364 ahci_phy_check_events(dev, serr); 1365 } 1366 } 1367 /* Process command errors */ 1368 if (istatus & (AHCI_P_IX_OF | AHCI_P_IX_IF | 1369 AHCI_P_IX_HBD | AHCI_P_IX_HBF | AHCI_P_IX_TFE)) { 1370 ccs = (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CCS_MASK) 1371 >> AHCI_P_CMD_CCS_SHIFT; 1372//device_printf(dev, "%s ERROR is %08x cs %08x ss %08x rs %08x tfd %02x serr %08x fbs %08x ccs %d\n", 1373// __func__, istatus, cstatus, sstatus, ch->rslots, ATA_INL(ch->r_mem, AHCI_P_TFD), 1374// serr, ATA_INL(ch->r_mem, AHCI_P_FBS), ccs); 1375 port = -1; 1376 if (ch->fbs_enabled) { 1377 uint32_t fbs = ATA_INL(ch->r_mem, AHCI_P_FBS); 1378 if (fbs & AHCI_P_FBS_SDE) { 1379 port = (fbs & AHCI_P_FBS_DWE) 1380 >> AHCI_P_FBS_DWE_SHIFT; 1381 } else { 1382 for (i = 0; i < 16; i++) { 1383 if (ch->numrslotspd[i] == 0) 1384 continue; 1385 if (port == -1) 1386 port = i; 1387 else if (port != i) { 1388 port = -2; 1389 break; 1390 } 1391 } 1392 } 1393 } 1394 err = ch->rslots & (cstatus | sstatus); 1395 } else { 1396 ccs = 0; 1397 err = 0; 1398 port = -1; 1399 } 1400 /* Complete all successfull commands. */ 1401 ok = ch->rslots & ~(cstatus | sstatus); 1402 for (i = 0; i < ch->numslots; i++) { 1403 if ((ok >> i) & 1) 1404 ahci_end_transaction(&ch->slot[i], AHCI_ERR_NONE); 1405 } 1406 /* On error, complete the rest of commands with error statuses. */ 1407 if (err) { 1408 if (ch->frozen) { 1409 union ccb *fccb = ch->frozen; 1410 ch->frozen = NULL; 1411 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1412 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1413 xpt_freeze_devq(fccb->ccb_h.path, 1); 1414 fccb->ccb_h.status |= CAM_DEV_QFRZN; 1415 } 1416 xpt_done(fccb); 1417 } 1418 for (i = 0; i < ch->numslots; i++) { 1419 /* XXX: reqests in loading state. */ 1420 if (((err >> i) & 1) == 0) 1421 continue; 1422 if (port >= 0 && 1423 ch->slot[i].ccb->ccb_h.target_id != port) 1424 continue; 1425 if (istatus & AHCI_P_IX_TFE) { 1426 if (port != -2) { 1427 /* Task File Error */ 1428 if (ch->numtslotspd[ 1429 ch->slot[i].ccb->ccb_h.target_id] == 0) { 1430 /* Untagged operation. */ 1431 if (i == ccs) 1432 et = AHCI_ERR_TFE; 1433 else 1434 et = AHCI_ERR_INNOCENT; 1435 } else { 1436 /* Tagged operation. */ 1437 et = AHCI_ERR_NCQ; 1438 } 1439 } else { 1440 et = AHCI_ERR_TFE; 1441 ch->fatalerr = 1; 1442 } 1443 } else if (istatus & AHCI_P_IX_IF) { 1444 if (ch->numtslots == 0 && i != ccs && port != -2) 1445 et = AHCI_ERR_INNOCENT; 1446 else 1447 et = AHCI_ERR_SATA; 1448 } else 1449 et = AHCI_ERR_INVALID; 1450 ahci_end_transaction(&ch->slot[i], et); 1451 } 1452 /* 1453 * We can't reinit port if there are some other 1454 * commands active, use resume to complete them. 1455 */ 1456 if (ch->rslots != 0) 1457 ATA_OUTL(ch->r_mem, AHCI_P_FBS, AHCI_P_FBS_EN | AHCI_P_FBS_DEC); 1458 } 1459 /* Process NOTIFY events */ 1460 if (sntf) 1461 ahci_notify_events(dev, sntf); 1462} 1463 1464/* Must be called with channel locked. */ 1465static int 1466ahci_check_collision(device_t dev, union ccb *ccb) 1467{ 1468 struct ahci_channel *ch = device_get_softc(dev); 1469 int t = ccb->ccb_h.target_id; 1470 1471 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1472 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1473 /* Tagged command while we have no supported tag free. */ 1474 if (((~ch->oslots) & (0xffffffff >> (32 - 1475 ch->curr[t].tags))) == 0) 1476 return (1); 1477 /* If we have FBS */ 1478 if (ch->fbs_enabled) { 1479 /* Tagged command while untagged are active. */ 1480 if (ch->numrslotspd[t] != 0 && ch->numtslotspd[t] == 0) 1481 return (1); 1482 } else { 1483 /* Tagged command while untagged are active. */ 1484 if (ch->numrslots != 0 && ch->numtslots == 0) 1485 return (1); 1486 /* Tagged command while tagged to other target is active. */ 1487 if (ch->numtslots != 0 && 1488 ch->taggedtarget != ccb->ccb_h.target_id) 1489 return (1); 1490 } 1491 } else { 1492 /* If we have FBS */ 1493 if (ch->fbs_enabled) { 1494 /* Untagged command while tagged are active. */ 1495 if (ch->numrslotspd[t] != 0 && ch->numtslotspd[t] != 0) 1496 return (1); 1497 } else { 1498 /* Untagged command while tagged are active. */ 1499 if (ch->numrslots != 0 && ch->numtslots != 0) 1500 return (1); 1501 } 1502 } 1503 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1504 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) { 1505 /* Atomic command while anything active. */ 1506 if (ch->numrslots != 0) 1507 return (1); 1508 } 1509 /* We have some atomic command running. */ 1510 if (ch->aslots != 0) 1511 return (1); 1512 return (0); 1513} 1514 1515/* Must be called with channel locked. */ 1516static void 1517ahci_begin_transaction(device_t dev, union ccb *ccb) 1518{ 1519 struct ahci_channel *ch = device_get_softc(dev); 1520 struct ahci_slot *slot; 1521 int tag, tags; 1522 1523 /* Choose empty slot. */ 1524 tags = ch->numslots; 1525 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1526 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) 1527 tags = ch->curr[ccb->ccb_h.target_id].tags; 1528 tag = ch->lastslot; 1529 while (1) { 1530 if (tag >= tags) 1531 tag = 0; 1532 if (ch->slot[tag].state == AHCI_SLOT_EMPTY) 1533 break; 1534 tag++; 1535 }; 1536 ch->lastslot = tag; 1537 /* Occupy chosen slot. */ 1538 slot = &ch->slot[tag]; 1539 slot->ccb = ccb; 1540 /* Stop PM timer. */ 1541 if (ch->numrslots == 0 && ch->pm_level > 3) 1542 callout_stop(&ch->pm_timer); 1543 /* Update channel stats. */ 1544 ch->oslots |= (1 << slot->slot); 1545 ch->numrslots++; 1546 ch->numrslotspd[ccb->ccb_h.target_id]++; 1547 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1548 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1549 ch->numtslots++; 1550 ch->numtslotspd[ccb->ccb_h.target_id]++; 1551 ch->taggedtarget = ccb->ccb_h.target_id; 1552 } 1553 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1554 (ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) 1555 ch->aslots |= (1 << slot->slot); 1556 slot->dma.nsegs = 0; 1557 /* If request moves data, setup and load SG list */ 1558 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1559 void *buf; 1560 bus_size_t size; 1561 1562 slot->state = AHCI_SLOT_LOADING; 1563 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1564 buf = ccb->ataio.data_ptr; 1565 size = ccb->ataio.dxfer_len; 1566 } else { 1567 buf = ccb->csio.data_ptr; 1568 size = ccb->csio.dxfer_len; 1569 } 1570 bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map, 1571 buf, size, ahci_dmasetprd, slot, 0); 1572 } else 1573 ahci_execute_transaction(slot); 1574} 1575 1576/* Locked by busdma engine. */ 1577static void 1578ahci_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 1579{ 1580 struct ahci_slot *slot = arg; 1581 struct ahci_channel *ch = device_get_softc(slot->dev); 1582 struct ahci_cmd_tab *ctp; 1583 struct ahci_dma_prd *prd; 1584 int i; 1585 1586 if (error) { 1587 device_printf(slot->dev, "DMA load error\n"); 1588 ahci_end_transaction(slot, AHCI_ERR_INVALID); 1589 return; 1590 } 1591 KASSERT(nsegs <= AHCI_SG_ENTRIES, ("too many DMA segment entries\n")); 1592 /* Get a piece of the workspace for this request */ 1593 ctp = (struct ahci_cmd_tab *) 1594 (ch->dma.work + AHCI_CT_OFFSET + (AHCI_CT_SIZE * slot->slot)); 1595 /* Fill S/G table */ 1596 prd = &ctp->prd_tab[0]; 1597 for (i = 0; i < nsegs; i++) { 1598 prd[i].dba = htole64(segs[i].ds_addr); 1599 prd[i].dbc = htole32((segs[i].ds_len - 1) & AHCI_PRD_MASK); 1600 } 1601 slot->dma.nsegs = nsegs; 1602 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1603 ((slot->ccb->ccb_h.flags & CAM_DIR_IN) ? 1604 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 1605 ahci_execute_transaction(slot); 1606} 1607 1608/* Must be called with channel locked. */ 1609static void 1610ahci_execute_transaction(struct ahci_slot *slot) 1611{ 1612 device_t dev = slot->dev; 1613 struct ahci_channel *ch = device_get_softc(dev); 1614 struct ahci_cmd_tab *ctp; 1615 struct ahci_cmd_list *clp; 1616 union ccb *ccb = slot->ccb; 1617 int port = ccb->ccb_h.target_id & 0x0f; 1618 int fis_size, i; 1619 uint8_t *fis = ch->dma.rfis + 0x40; 1620 uint8_t val; 1621 1622 /* Get a piece of the workspace for this request */ 1623 ctp = (struct ahci_cmd_tab *) 1624 (ch->dma.work + AHCI_CT_OFFSET + (AHCI_CT_SIZE * slot->slot)); 1625 /* Setup the FIS for this request */ 1626 if (!(fis_size = ahci_setup_fis(dev, ctp, ccb, slot->slot))) { 1627 device_printf(ch->dev, "Setting up SATA FIS failed\n"); 1628 ahci_end_transaction(slot, AHCI_ERR_INVALID); 1629 return; 1630 } 1631 /* Setup the command list entry */ 1632 clp = (struct ahci_cmd_list *) 1633 (ch->dma.work + AHCI_CL_OFFSET + (AHCI_CL_SIZE * slot->slot)); 1634 clp->cmd_flags = htole16( 1635 (ccb->ccb_h.flags & CAM_DIR_OUT ? AHCI_CMD_WRITE : 0) | 1636 (ccb->ccb_h.func_code == XPT_SCSI_IO ? 1637 (AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH) : 0) | 1638 (fis_size / sizeof(u_int32_t)) | 1639 (port << 12)); 1640 clp->prd_length = htole16(slot->dma.nsegs); 1641 /* Special handling for Soft Reset command. */ 1642 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1643 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL)) { 1644 if (ccb->ataio.cmd.control & ATA_A_RESET) { 1645 /* Kick controller into sane state */ 1646 ahci_stop(dev); 1647 ahci_clo(dev); 1648 ahci_start(dev, 0); 1649 clp->cmd_flags |= AHCI_CMD_RESET | AHCI_CMD_CLR_BUSY; 1650 } else { 1651 /* Prepare FIS receive area for check. */ 1652 for (i = 0; i < 20; i++) 1653 fis[i] = 0xff; 1654 } 1655 } 1656 clp->bytecount = 0; 1657 clp->cmd_table_phys = htole64(ch->dma.work_bus + AHCI_CT_OFFSET + 1658 (AHCI_CT_SIZE * slot->slot)); 1659 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1660 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1661 bus_dmamap_sync(ch->dma.rfis_tag, ch->dma.rfis_map, 1662 BUS_DMASYNC_PREREAD); 1663 /* Set ACTIVE bit for NCQ commands. */ 1664 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1665 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1666 ATA_OUTL(ch->r_mem, AHCI_P_SACT, 1 << slot->slot); 1667 } 1668 /* If FBS is enabled, set PMP port. */ 1669 if (ch->fbs_enabled) { 1670 ATA_OUTL(ch->r_mem, AHCI_P_FBS, AHCI_P_FBS_EN | 1671 (port << AHCI_P_FBS_DEV_SHIFT)); 1672 } 1673 /* Issue command to the controller. */ 1674 slot->state = AHCI_SLOT_RUNNING; 1675 ch->rslots |= (1 << slot->slot); 1676 ATA_OUTL(ch->r_mem, AHCI_P_CI, (1 << slot->slot)); 1677 /* Device reset commands doesn't interrupt. Poll them. */ 1678 if (ccb->ccb_h.func_code == XPT_ATA_IO && 1679 (ccb->ataio.cmd.command == ATA_DEVICE_RESET || 1680 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL))) { 1681 int count, timeout = ccb->ccb_h.timeout; 1682 enum ahci_err_type et = AHCI_ERR_NONE; 1683 1684 for (count = 0; count < timeout; count++) { 1685 DELAY(1000); 1686 if (!(ATA_INL(ch->r_mem, AHCI_P_CI) & (1 << slot->slot))) 1687 break; 1688 if (ATA_INL(ch->r_mem, AHCI_P_TFD) & ATA_S_ERROR) { 1689 device_printf(ch->dev, 1690 "Poll error on slot %d, TFD: %04x\n", 1691 slot->slot, ATA_INL(ch->r_mem, AHCI_P_TFD)); 1692 et = AHCI_ERR_TFE; 1693 break; 1694 } 1695 /* Workaround for ATI SB600/SB700 chipsets. */ 1696 if (ccb->ccb_h.target_id == 15 && 1697 pci_get_vendor(device_get_parent(dev)) == 0x1002 && 1698 (ATA_INL(ch->r_mem, AHCI_P_IS) & AHCI_P_IX_IPM)) { 1699 et = AHCI_ERR_TIMEOUT; 1700 break; 1701 } 1702 } 1703 if (timeout && (count >= timeout)) { 1704 device_printf(ch->dev, 1705 "Poll timeout on slot %d\n", slot->slot); 1706 device_printf(dev, "is %08x cs %08x ss %08x " 1707 "rs %08x tfd %02x serr %08x\n", 1708 ATA_INL(ch->r_mem, AHCI_P_IS), 1709 ATA_INL(ch->r_mem, AHCI_P_CI), 1710 ATA_INL(ch->r_mem, AHCI_P_SACT), ch->rslots, 1711 ATA_INL(ch->r_mem, AHCI_P_TFD), 1712 ATA_INL(ch->r_mem, AHCI_P_SERR)); 1713 et = AHCI_ERR_TIMEOUT; 1714 } 1715 /* Marvell controllers do not wait for readyness. */ 1716 if ((ch->quirks & AHCI_Q_NOBSYRES) && 1717 (ccb->ccb_h.func_code == XPT_ATA_IO) && 1718 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1719 (ccb->ataio.cmd.control & ATA_A_RESET) == 0) { 1720 while ((val = fis[2]) & (ATA_S_BUSY | ATA_S_DRQ)) { 1721 DELAY(1000); 1722 if (count++ >= timeout) { 1723 device_printf(dev, "device is not " 1724 "ready after soft-reset: " 1725 "tfd = %08x\n", val); 1726 et = AHCI_ERR_TIMEOUT; 1727 break; 1728 } 1729 } 1730 } 1731 ahci_end_transaction(slot, et); 1732 /* Kick controller into sane state and enable FBS. */ 1733 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1734 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 1735 (ccb->ataio.cmd.control & ATA_A_RESET) == 0) { 1736 ahci_stop(ch->dev); 1737 ahci_start(ch->dev, 1); 1738 } 1739 return; 1740 } 1741 /* Start command execution timeout */ 1742 callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 2000, 1743 (timeout_t*)ahci_timeout, slot); 1744 return; 1745} 1746 1747/* Must be called with channel locked. */ 1748static void 1749ahci_process_timeout(device_t dev) 1750{ 1751 struct ahci_channel *ch = device_get_softc(dev); 1752 int i; 1753 1754 mtx_assert(&ch->mtx, MA_OWNED); 1755 /* Handle the rest of commands. */ 1756 for (i = 0; i < ch->numslots; i++) { 1757 /* Do we have a running request on slot? */ 1758 if (ch->slot[i].state < AHCI_SLOT_RUNNING) 1759 continue; 1760 ahci_end_transaction(&ch->slot[i], AHCI_ERR_TIMEOUT); 1761 } 1762} 1763 1764/* Must be called with channel locked. */ 1765static void 1766ahci_rearm_timeout(device_t dev) 1767{ 1768 struct ahci_channel *ch = device_get_softc(dev); 1769 int i; 1770 1771 mtx_assert(&ch->mtx, MA_OWNED); 1772 for (i = 0; i < ch->numslots; i++) { 1773 struct ahci_slot *slot = &ch->slot[i]; 1774 1775 /* Do we have a running request on slot? */ 1776 if (slot->state < AHCI_SLOT_RUNNING) 1777 continue; 1778 if ((ch->toslots & (1 << i)) == 0) 1779 continue; 1780 callout_reset(&slot->timeout, 1781 (int)slot->ccb->ccb_h.timeout * hz / 2000, 1782 (timeout_t*)ahci_timeout, slot); 1783 } 1784} 1785 1786/* Locked by callout mechanism. */ 1787static void 1788ahci_timeout(struct ahci_slot *slot) 1789{ 1790 device_t dev = slot->dev; 1791 struct ahci_channel *ch = device_get_softc(dev); 1792 uint32_t sstatus; 1793 int ccs; 1794 int i; 1795 1796 /* Check for stale timeout. */ 1797 if (slot->state < AHCI_SLOT_RUNNING) 1798 return; 1799 1800 /* Check if slot was not being executed last time we checked. */ 1801 if (slot->state < AHCI_SLOT_EXECUTING) { 1802 /* Check if slot started executing. */ 1803 sstatus = ATA_INL(ch->r_mem, AHCI_P_SACT); 1804 ccs = (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CCS_MASK) 1805 >> AHCI_P_CMD_CCS_SHIFT; 1806 if ((sstatus & (1 << slot->slot)) != 0 || ccs == slot->slot || 1807 ch->fbs_enabled) 1808 slot->state = AHCI_SLOT_EXECUTING; 1809 1810 callout_reset(&slot->timeout, 1811 (int)slot->ccb->ccb_h.timeout * hz / 2000, 1812 (timeout_t*)ahci_timeout, slot); 1813 return; 1814 } 1815 1816 device_printf(dev, "Timeout on slot %d\n", slot->slot); 1817 device_printf(dev, "is %08x cs %08x ss %08x rs %08x tfd %02x serr %08x\n", 1818 ATA_INL(ch->r_mem, AHCI_P_IS), ATA_INL(ch->r_mem, AHCI_P_CI), 1819 ATA_INL(ch->r_mem, AHCI_P_SACT), ch->rslots, 1820 ATA_INL(ch->r_mem, AHCI_P_TFD), ATA_INL(ch->r_mem, AHCI_P_SERR)); 1821 1822 /* Handle frozen command. */ 1823 if (ch->frozen) { 1824 union ccb *fccb = ch->frozen; 1825 ch->frozen = NULL; 1826 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 1827 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 1828 xpt_freeze_devq(fccb->ccb_h.path, 1); 1829 fccb->ccb_h.status |= CAM_DEV_QFRZN; 1830 } 1831 xpt_done(fccb); 1832 } 1833 if (!ch->fbs_enabled) { 1834 /* Without FBS we know real timeout source. */ 1835 ch->fatalerr = 1; 1836 /* Handle command with timeout. */ 1837 ahci_end_transaction(&ch->slot[slot->slot], AHCI_ERR_TIMEOUT); 1838 /* Handle the rest of commands. */ 1839 for (i = 0; i < ch->numslots; i++) { 1840 /* Do we have a running request on slot? */ 1841 if (ch->slot[i].state < AHCI_SLOT_RUNNING) 1842 continue; 1843 ahci_end_transaction(&ch->slot[i], AHCI_ERR_INNOCENT); 1844 } 1845 } else { 1846 /* With FBS we wait for other commands timeout and pray. */ 1847 if (ch->toslots == 0) 1848 xpt_freeze_simq(ch->sim, 1); 1849 ch->toslots |= (1 << slot->slot); 1850 if ((ch->rslots & ~ch->toslots) == 0) 1851 ahci_process_timeout(dev); 1852 else 1853 device_printf(dev, " ... waiting for slots %08x\n", 1854 ch->rslots & ~ch->toslots); 1855 } 1856} 1857 1858/* Must be called with channel locked. */ 1859static void 1860ahci_end_transaction(struct ahci_slot *slot, enum ahci_err_type et) 1861{ 1862 device_t dev = slot->dev; 1863 struct ahci_channel *ch = device_get_softc(dev); 1864 union ccb *ccb = slot->ccb; 1865 struct ahci_cmd_list *clp; 1866 int lastto; 1867 1868 bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map, 1869 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 1870 clp = (struct ahci_cmd_list *) 1871 (ch->dma.work + AHCI_CL_OFFSET + (AHCI_CL_SIZE * slot->slot)); 1872 /* Read result registers to the result struct 1873 * May be incorrect if several commands finished same time, 1874 * so read only when sure or have to. 1875 */ 1876 if (ccb->ccb_h.func_code == XPT_ATA_IO) { 1877 struct ata_res *res = &ccb->ataio.res; 1878 1879 if ((et == AHCI_ERR_TFE) || 1880 (ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) { 1881 u_int8_t *fis = ch->dma.rfis + 0x40; 1882 1883 bus_dmamap_sync(ch->dma.rfis_tag, ch->dma.rfis_map, 1884 BUS_DMASYNC_POSTREAD); 1885 if (ch->fbs_enabled) { 1886 fis += ccb->ccb_h.target_id * 256; 1887 res->status = fis[2]; 1888 res->error = fis[3]; 1889 } else { 1890 uint16_t tfd = ATA_INL(ch->r_mem, AHCI_P_TFD); 1891 1892 res->status = tfd; 1893 res->error = tfd >> 8; 1894 } 1895 res->lba_low = fis[4]; 1896 res->lba_mid = fis[5]; 1897 res->lba_high = fis[6]; 1898 res->device = fis[7]; 1899 res->lba_low_exp = fis[8]; 1900 res->lba_mid_exp = fis[9]; 1901 res->lba_high_exp = fis[10]; 1902 res->sector_count = fis[12]; 1903 res->sector_count_exp = fis[13]; 1904 } else 1905 bzero(res, sizeof(*res)); 1906 if ((ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) == 0 && 1907 (ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1908 ccb->ataio.resid = 1909 ccb->ataio.dxfer_len - le32toh(clp->bytecount); 1910 } 1911 } else { 1912 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1913 ccb->csio.resid = 1914 ccb->csio.dxfer_len - le32toh(clp->bytecount); 1915 } 1916 } 1917 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1918 bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map, 1919 (ccb->ccb_h.flags & CAM_DIR_IN) ? 1920 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1921 bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map); 1922 } 1923 if (et != AHCI_ERR_NONE) 1924 ch->eslots |= (1 << slot->slot); 1925 /* In case of error, freeze device for proper recovery. */ 1926 if ((et != AHCI_ERR_NONE) && (!ch->readlog) && 1927 !(ccb->ccb_h.status & CAM_DEV_QFRZN)) { 1928 xpt_freeze_devq(ccb->ccb_h.path, 1); 1929 ccb->ccb_h.status |= CAM_DEV_QFRZN; 1930 } 1931 /* Set proper result status. */ 1932 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1933 switch (et) { 1934 case AHCI_ERR_NONE: 1935 ccb->ccb_h.status |= CAM_REQ_CMP; 1936 if (ccb->ccb_h.func_code == XPT_SCSI_IO) 1937 ccb->csio.scsi_status = SCSI_STATUS_OK; 1938 break; 1939 case AHCI_ERR_INVALID: 1940 ch->fatalerr = 1; 1941 ccb->ccb_h.status |= CAM_REQ_INVALID; 1942 break; 1943 case AHCI_ERR_INNOCENT: 1944 ccb->ccb_h.status |= CAM_REQUEUE_REQ; 1945 break; 1946 case AHCI_ERR_TFE: 1947 case AHCI_ERR_NCQ: 1948 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 1949 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR; 1950 ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND; 1951 } else { 1952 ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR; 1953 } 1954 break; 1955 case AHCI_ERR_SATA: 1956 ch->fatalerr = 1; 1957 if (!ch->readlog) { 1958 xpt_freeze_simq(ch->sim, 1); 1959 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1960 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1961 } 1962 ccb->ccb_h.status |= CAM_UNCOR_PARITY; 1963 break; 1964 case AHCI_ERR_TIMEOUT: 1965 if (!ch->readlog) { 1966 xpt_freeze_simq(ch->sim, 1); 1967 ccb->ccb_h.status &= ~CAM_STATUS_MASK; 1968 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 1969 } 1970 ccb->ccb_h.status |= CAM_CMD_TIMEOUT; 1971 break; 1972 default: 1973 ch->fatalerr = 1; 1974 ccb->ccb_h.status |= CAM_REQ_CMP_ERR; 1975 } 1976 /* Free slot. */ 1977 ch->oslots &= ~(1 << slot->slot); 1978 ch->rslots &= ~(1 << slot->slot); 1979 ch->aslots &= ~(1 << slot->slot); 1980 slot->state = AHCI_SLOT_EMPTY; 1981 slot->ccb = NULL; 1982 /* Update channel stats. */ 1983 ch->numrslots--; 1984 ch->numrslotspd[ccb->ccb_h.target_id]--; 1985 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 1986 (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) { 1987 ch->numtslots--; 1988 ch->numtslotspd[ccb->ccb_h.target_id]--; 1989 } 1990 /* Cancel timeout state if request completed normally. */ 1991 if (et != AHCI_ERR_TIMEOUT) { 1992 lastto = (ch->toslots == (1 << slot->slot)); 1993 ch->toslots &= ~(1 << slot->slot); 1994 if (lastto) 1995 xpt_release_simq(ch->sim, TRUE); 1996 } 1997 /* If it was first request of reset sequence and there is no error, 1998 * proceed to second request. */ 1999 if ((ccb->ccb_h.func_code == XPT_ATA_IO) && 2000 (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) && 2001 (ccb->ataio.cmd.control & ATA_A_RESET) && 2002 et == AHCI_ERR_NONE) { 2003 ccb->ataio.cmd.control &= ~ATA_A_RESET; 2004 ahci_begin_transaction(dev, ccb); 2005 return; 2006 } 2007 /* If it was our READ LOG command - process it. */ 2008 if (ch->readlog) { 2009 ahci_process_read_log(dev, ccb); 2010 /* If it was NCQ command error, put result on hold. */ 2011 } else if (et == AHCI_ERR_NCQ) { 2012 ch->hold[slot->slot] = ccb; 2013 ch->numhslots++; 2014 } else 2015 xpt_done(ccb); 2016 /* Unfreeze frozen command. */ 2017 if (ch->frozen && !ahci_check_collision(dev, ch->frozen)) { 2018 union ccb *fccb = ch->frozen; 2019 ch->frozen = NULL; 2020 ahci_begin_transaction(dev, fccb); 2021 xpt_release_simq(ch->sim, TRUE); 2022 } 2023 /* If we have no other active commands, ... */ 2024 if (ch->rslots == 0) { 2025 /* if there was fatal error - reset port. */ 2026 if (ch->toslots != 0 || ch->fatalerr) { 2027 ahci_reset(dev); 2028 } else { 2029 /* if we have slots in error, we can reinit port. */ 2030 if (ch->eslots != 0) { 2031 ahci_stop(dev); 2032 ahci_start(dev, 1); 2033 } 2034 /* if there commands on hold, we can do READ LOG. */ 2035 if (!ch->readlog && ch->numhslots) 2036 ahci_issue_read_log(dev); 2037 } 2038 /* If all the rest of commands are in timeout - give them chance. */ 2039 } else if ((ch->rslots & ~ch->toslots) == 0 && 2040 et != AHCI_ERR_TIMEOUT) 2041 ahci_rearm_timeout(dev); 2042 /* Start PM timer. */ 2043 if (ch->numrslots == 0 && ch->pm_level > 3 && 2044 (ch->curr[ch->pm_present ? 15 : 0].caps & CTS_SATA_CAPS_D_PMREQ)) { 2045 callout_schedule(&ch->pm_timer, 2046 (ch->pm_level == 4) ? hz / 1000 : hz / 8); 2047 } 2048} 2049 2050static void 2051ahci_issue_read_log(device_t dev) 2052{ 2053 struct ahci_channel *ch = device_get_softc(dev); 2054 union ccb *ccb; 2055 struct ccb_ataio *ataio; 2056 int i; 2057 2058 ch->readlog = 1; 2059 /* Find some holden command. */ 2060 for (i = 0; i < ch->numslots; i++) { 2061 if (ch->hold[i]) 2062 break; 2063 } 2064 ccb = xpt_alloc_ccb_nowait(); 2065 if (ccb == NULL) { 2066 device_printf(dev, "Unable allocate READ LOG command"); 2067 return; /* XXX */ 2068 } 2069 ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */ 2070 ccb->ccb_h.func_code = XPT_ATA_IO; 2071 ccb->ccb_h.flags = CAM_DIR_IN; 2072 ccb->ccb_h.timeout = 1000; /* 1s should be enough. */ 2073 ataio = &ccb->ataio; 2074 ataio->data_ptr = malloc(512, M_AHCI, M_NOWAIT); 2075 if (ataio->data_ptr == NULL) { 2076 xpt_free_ccb(ccb); 2077 device_printf(dev, "Unable allocate memory for READ LOG command"); 2078 return; /* XXX */ 2079 } 2080 ataio->dxfer_len = 512; 2081 bzero(&ataio->cmd, sizeof(ataio->cmd)); 2082 ataio->cmd.flags = CAM_ATAIO_48BIT; 2083 ataio->cmd.command = 0x2F; /* READ LOG EXT */ 2084 ataio->cmd.sector_count = 1; 2085 ataio->cmd.sector_count_exp = 0; 2086 ataio->cmd.lba_low = 0x10; 2087 ataio->cmd.lba_mid = 0; 2088 ataio->cmd.lba_mid_exp = 0; 2089 /* Freeze SIM while doing READ LOG EXT. */ 2090 xpt_freeze_simq(ch->sim, 1); 2091 ahci_begin_transaction(dev, ccb); 2092} 2093 2094static void 2095ahci_process_read_log(device_t dev, union ccb *ccb) 2096{ 2097 struct ahci_channel *ch = device_get_softc(dev); 2098 uint8_t *data; 2099 struct ata_res *res; 2100 int i; 2101 2102 ch->readlog = 0; 2103 2104 data = ccb->ataio.data_ptr; 2105 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 2106 (data[0] & 0x80) == 0) { 2107 for (i = 0; i < ch->numslots; i++) { 2108 if (!ch->hold[i]) 2109 continue; 2110 if ((data[0] & 0x1F) == i) { 2111 res = &ch->hold[i]->ataio.res; 2112 res->status = data[2]; 2113 res->error = data[3]; 2114 res->lba_low = data[4]; 2115 res->lba_mid = data[5]; 2116 res->lba_high = data[6]; 2117 res->device = data[7]; 2118 res->lba_low_exp = data[8]; 2119 res->lba_mid_exp = data[9]; 2120 res->lba_high_exp = data[10]; 2121 res->sector_count = data[12]; 2122 res->sector_count_exp = data[13]; 2123 } else { 2124 ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK; 2125 ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ; 2126 } 2127 xpt_done(ch->hold[i]); 2128 ch->hold[i] = NULL; 2129 ch->numhslots--; 2130 } 2131 } else { 2132 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 2133 device_printf(dev, "Error while READ LOG EXT\n"); 2134 else if ((data[0] & 0x80) == 0) { 2135 device_printf(dev, "Non-queued command error in READ LOG EXT\n"); 2136 } 2137 for (i = 0; i < ch->numslots; i++) { 2138 if (!ch->hold[i]) 2139 continue; 2140 xpt_done(ch->hold[i]); 2141 ch->hold[i] = NULL; 2142 ch->numhslots--; 2143 } 2144 } 2145 free(ccb->ataio.data_ptr, M_AHCI); 2146 xpt_free_ccb(ccb); 2147 xpt_release_simq(ch->sim, TRUE); 2148} 2149 2150static void 2151ahci_start(device_t dev, int fbs) 2152{ 2153 struct ahci_channel *ch = device_get_softc(dev); 2154 u_int32_t cmd; 2155 2156 /* Clear SATA error register */ 2157 ATA_OUTL(ch->r_mem, AHCI_P_SERR, 0xFFFFFFFF); 2158 /* Clear any interrupts pending on this channel */ 2159 ATA_OUTL(ch->r_mem, AHCI_P_IS, 0xFFFFFFFF); 2160 /* Configure FIS-based switching if supported. */ 2161 if (ch->chcaps & AHCI_P_CMD_FBSCP) { 2162 ch->fbs_enabled = (fbs && ch->pm_present) ? 1 : 0; 2163 ATA_OUTL(ch->r_mem, AHCI_P_FBS, 2164 ch->fbs_enabled ? AHCI_P_FBS_EN : 0); 2165 } 2166 /* Start operations on this channel */ 2167 cmd = ATA_INL(ch->r_mem, AHCI_P_CMD); 2168 cmd &= ~AHCI_P_CMD_PMA; 2169 ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd | AHCI_P_CMD_ST | 2170 (ch->pm_present ? AHCI_P_CMD_PMA : 0)); 2171} 2172 2173static void 2174ahci_stop(device_t dev) 2175{ 2176 struct ahci_channel *ch = device_get_softc(dev); 2177 u_int32_t cmd; 2178 int timeout; 2179 2180 /* Kill all activity on this channel */ 2181 cmd = ATA_INL(ch->r_mem, AHCI_P_CMD); 2182 ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd & ~AHCI_P_CMD_ST); 2183 /* Wait for activity stop. */ 2184 timeout = 0; 2185 do { 2186 DELAY(1000); 2187 if (timeout++ > 1000) { 2188 device_printf(dev, "stopping AHCI engine failed\n"); 2189 break; 2190 } 2191 } while (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CR); 2192 ch->eslots = 0; 2193} 2194 2195static void 2196ahci_clo(device_t dev) 2197{ 2198 struct ahci_channel *ch = device_get_softc(dev); 2199 u_int32_t cmd; 2200 int timeout; 2201 2202 /* Issue Command List Override if supported */ 2203 if (ch->caps & AHCI_CAP_SCLO) { 2204 cmd = ATA_INL(ch->r_mem, AHCI_P_CMD); 2205 cmd |= AHCI_P_CMD_CLO; 2206 ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd); 2207 timeout = 0; 2208 do { 2209 DELAY(1000); 2210 if (timeout++ > 1000) { 2211 device_printf(dev, "executing CLO failed\n"); 2212 break; 2213 } 2214 } while (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CLO); 2215 } 2216} 2217 2218static void 2219ahci_stop_fr(device_t dev) 2220{ 2221 struct ahci_channel *ch = device_get_softc(dev); 2222 u_int32_t cmd; 2223 int timeout; 2224 2225 /* Kill all FIS reception on this channel */ 2226 cmd = ATA_INL(ch->r_mem, AHCI_P_CMD); 2227 ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd & ~AHCI_P_CMD_FRE); 2228 /* Wait for FIS reception stop. */ 2229 timeout = 0; 2230 do { 2231 DELAY(1000); 2232 if (timeout++ > 1000) { 2233 device_printf(dev, "stopping AHCI FR engine failed\n"); 2234 break; 2235 } 2236 } while (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_FR); 2237} 2238 2239static void 2240ahci_start_fr(device_t dev) 2241{ 2242 struct ahci_channel *ch = device_get_softc(dev); 2243 u_int32_t cmd; 2244 2245 /* Start FIS reception on this channel */ 2246 cmd = ATA_INL(ch->r_mem, AHCI_P_CMD); 2247 ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd | AHCI_P_CMD_FRE); 2248} 2249 2250static int 2251ahci_wait_ready(device_t dev, int t) 2252{ 2253 struct ahci_channel *ch = device_get_softc(dev); 2254 int timeout = 0; 2255 uint32_t val; 2256 2257 while ((val = ATA_INL(ch->r_mem, AHCI_P_TFD)) & 2258 (ATA_S_BUSY | ATA_S_DRQ)) { 2259 DELAY(1000); 2260 if (timeout++ > t) { 2261 device_printf(dev, "device is not ready (timeout %dms) " 2262 "tfd = %08x\n", t, val); 2263 return (EBUSY); 2264 } 2265 } 2266 if (bootverbose) 2267 device_printf(dev, "ready wait time=%dms\n", timeout); 2268 return (0); 2269} 2270 2271static void 2272ahci_reset(device_t dev) 2273{ 2274 struct ahci_channel *ch = device_get_softc(dev); 2275 struct ahci_controller *ctlr = device_get_softc(device_get_parent(dev)); 2276 int i; 2277 2278 xpt_freeze_simq(ch->sim, 1); 2279 if (bootverbose) 2280 device_printf(dev, "AHCI reset...\n"); 2281 /* Requeue freezed command. */ 2282 if (ch->frozen) { 2283 union ccb *fccb = ch->frozen; 2284 ch->frozen = NULL; 2285 fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ; 2286 if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) { 2287 xpt_freeze_devq(fccb->ccb_h.path, 1); 2288 fccb->ccb_h.status |= CAM_DEV_QFRZN; 2289 } 2290 xpt_done(fccb); 2291 } 2292 /* Kill the engine and requeue all running commands. */ 2293 ahci_stop(dev); 2294 for (i = 0; i < ch->numslots; i++) { 2295 /* Do we have a running request on slot? */ 2296 if (ch->slot[i].state < AHCI_SLOT_RUNNING) 2297 continue; 2298 /* XXX; Commands in loading state. */ 2299 ahci_end_transaction(&ch->slot[i], AHCI_ERR_INNOCENT); 2300 } 2301 for (i = 0; i < ch->numslots; i++) { 2302 if (!ch->hold[i]) 2303 continue; 2304 xpt_done(ch->hold[i]); 2305 ch->hold[i] = NULL; 2306 ch->numhslots--; 2307 } 2308 if (ch->toslots != 0) 2309 xpt_release_simq(ch->sim, TRUE); 2310 ch->eslots = 0; 2311 ch->toslots = 0; 2312 ch->fatalerr = 0; 2313 /* Tell the XPT about the event */ 2314 xpt_async(AC_BUS_RESET, ch->path, NULL); 2315 /* Disable port interrupts */ 2316 ATA_OUTL(ch->r_mem, AHCI_P_IE, 0); 2317 /* Reset and reconnect PHY, */ 2318 if (!ahci_sata_phy_reset(dev)) { 2319 if (bootverbose) 2320 device_printf(dev, 2321 "AHCI reset done: phy reset found no device\n"); 2322 ch->devices = 0; 2323 /* Enable wanted port interrupts */ 2324 ATA_OUTL(ch->r_mem, AHCI_P_IE, 2325 (AHCI_P_IX_CPD | AHCI_P_IX_PRC | AHCI_P_IX_PC)); 2326 xpt_release_simq(ch->sim, TRUE); 2327 return; 2328 } 2329 /* Wait for clearing busy status. */ 2330 if (ahci_wait_ready(dev, 15000)) 2331 ahci_clo(dev); 2332 ahci_start(dev, 1); 2333 ch->devices = 1; 2334 /* Enable wanted port interrupts */ 2335 ATA_OUTL(ch->r_mem, AHCI_P_IE, 2336 (AHCI_P_IX_CPD | AHCI_P_IX_TFE | AHCI_P_IX_HBF | 2337 AHCI_P_IX_HBD | AHCI_P_IX_IF | AHCI_P_IX_OF | 2338 ((ch->pm_level == 0) ? AHCI_P_IX_PRC | AHCI_P_IX_PC : 0) | 2339 AHCI_P_IX_DP | AHCI_P_IX_UF | (ctlr->ccc ? 0 : AHCI_P_IX_SDB) | 2340 AHCI_P_IX_DS | AHCI_P_IX_PS | (ctlr->ccc ? 0 : AHCI_P_IX_DHR))); 2341 if (bootverbose) 2342 device_printf(dev, "AHCI reset done: device found\n"); 2343 xpt_release_simq(ch->sim, TRUE); 2344} 2345 2346static int 2347ahci_setup_fis(device_t dev, struct ahci_cmd_tab *ctp, union ccb *ccb, int tag) 2348{ 2349 struct ahci_channel *ch = device_get_softc(dev); 2350 u_int8_t *fis = &ctp->cfis[0]; 2351 2352 bzero(ctp->cfis, 64); 2353 fis[0] = 0x27; /* host to device */ 2354 fis[1] = (ccb->ccb_h.target_id & 0x0f); 2355 if (ccb->ccb_h.func_code == XPT_SCSI_IO) { 2356 fis[1] |= 0x80; 2357 fis[2] = ATA_PACKET_CMD; 2358 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE && 2359 ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA) 2360 fis[3] = ATA_F_DMA; 2361 else { 2362 fis[5] = ccb->csio.dxfer_len; 2363 fis[6] = ccb->csio.dxfer_len >> 8; 2364 } 2365 fis[7] = ATA_D_LBA; 2366 fis[15] = ATA_A_4BIT; 2367 bzero(ctp->acmd, 32); 2368 bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ? 2369 ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes, 2370 ctp->acmd, ccb->csio.cdb_len); 2371 } else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) { 2372 fis[1] |= 0x80; 2373 fis[2] = ccb->ataio.cmd.command; 2374 fis[3] = ccb->ataio.cmd.features; 2375 fis[4] = ccb->ataio.cmd.lba_low; 2376 fis[5] = ccb->ataio.cmd.lba_mid; 2377 fis[6] = ccb->ataio.cmd.lba_high; 2378 fis[7] = ccb->ataio.cmd.device; 2379 fis[8] = ccb->ataio.cmd.lba_low_exp; 2380 fis[9] = ccb->ataio.cmd.lba_mid_exp; 2381 fis[10] = ccb->ataio.cmd.lba_high_exp; 2382 fis[11] = ccb->ataio.cmd.features_exp; 2383 if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) { 2384 fis[12] = tag << 3; 2385 fis[13] = 0; 2386 } else { 2387 fis[12] = ccb->ataio.cmd.sector_count; 2388 fis[13] = ccb->ataio.cmd.sector_count_exp; 2389 } 2390 fis[15] = ATA_A_4BIT; 2391 } else { 2392 fis[15] = ccb->ataio.cmd.control; 2393 } 2394 return (20); 2395} 2396 2397static int 2398ahci_sata_connect(struct ahci_channel *ch) 2399{ 2400 u_int32_t status; 2401 int timeout; 2402 2403 /* Wait up to 100ms for "connect well" */ 2404 for (timeout = 0; timeout < 100 ; timeout++) { 2405 status = ATA_INL(ch->r_mem, AHCI_P_SSTS); 2406 if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) && 2407 ((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) && 2408 ((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) 2409 break; 2410 if ((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_OFFLINE) { 2411 if (bootverbose) { 2412 device_printf(ch->dev, "SATA offline status=%08x\n", 2413 status); 2414 } 2415 return (0); 2416 } 2417 DELAY(1000); 2418 } 2419 if (timeout >= 100) { 2420 if (bootverbose) { 2421 device_printf(ch->dev, "SATA connect timeout status=%08x\n", 2422 status); 2423 } 2424 return (0); 2425 } 2426 if (bootverbose) { 2427 device_printf(ch->dev, "SATA connect time=%dms status=%08x\n", 2428 timeout, status); 2429 } 2430 /* Clear SATA error register */ 2431 ATA_OUTL(ch->r_mem, AHCI_P_SERR, 0xffffffff); 2432 return (1); 2433} 2434 2435static int 2436ahci_sata_phy_reset(device_t dev) 2437{ 2438 struct ahci_channel *ch = device_get_softc(dev); 2439 int sata_rev; 2440 uint32_t val; 2441 2442 sata_rev = ch->user[ch->pm_present ? 15 : 0].revision; 2443 if (sata_rev == 1) 2444 val = ATA_SC_SPD_SPEED_GEN1; 2445 else if (sata_rev == 2) 2446 val = ATA_SC_SPD_SPEED_GEN2; 2447 else if (sata_rev == 3) 2448 val = ATA_SC_SPD_SPEED_GEN3; 2449 else 2450 val = 0; 2451 ATA_OUTL(ch->r_mem, AHCI_P_SCTL, 2452 ATA_SC_DET_RESET | val | 2453 ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER); 2454 DELAY(5000); 2455 ATA_OUTL(ch->r_mem, AHCI_P_SCTL, 2456 ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 : 2457 (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))); 2458 DELAY(5000); 2459 if (!ahci_sata_connect(ch)) { 2460 if (ch->pm_level > 0) 2461 ATA_OUTL(ch->r_mem, AHCI_P_SCTL, ATA_SC_DET_DISABLE); 2462 return (0); 2463 } 2464 return (1); 2465} 2466 2467static int 2468ahci_check_ids(device_t dev, union ccb *ccb) 2469{ 2470 struct ahci_channel *ch = device_get_softc(dev); 2471 2472 if (ccb->ccb_h.target_id > ((ch->caps & AHCI_CAP_SPM) ? 15 : 0)) { 2473 ccb->ccb_h.status = CAM_TID_INVALID; 2474 xpt_done(ccb); 2475 return (-1); 2476 } 2477 if (ccb->ccb_h.target_lun != 0) { 2478 ccb->ccb_h.status = CAM_LUN_INVALID; 2479 xpt_done(ccb); 2480 return (-1); 2481 } 2482 return (0); 2483} 2484 2485static void 2486ahciaction(struct cam_sim *sim, union ccb *ccb) 2487{ 2488 device_t dev, parent; 2489 struct ahci_channel *ch; 2490 2491 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahciaction func_code=%x\n", 2492 ccb->ccb_h.func_code)); 2493 2494 ch = (struct ahci_channel *)cam_sim_softc(sim); 2495 dev = ch->dev; 2496 switch (ccb->ccb_h.func_code) { 2497 /* Common cases first */ 2498 case XPT_ATA_IO: /* Execute the requested I/O operation */ 2499 case XPT_SCSI_IO: 2500 if (ahci_check_ids(dev, ccb)) 2501 return; 2502 if (ch->devices == 0 || 2503 (ch->pm_present == 0 && 2504 ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) { 2505 ccb->ccb_h.status = CAM_SEL_TIMEOUT; 2506 break; 2507 } 2508 /* Check for command collision. */ 2509 if (ahci_check_collision(dev, ccb)) { 2510 /* Freeze command. */ 2511 ch->frozen = ccb; 2512 /* We have only one frozen slot, so freeze simq also. */ 2513 xpt_freeze_simq(ch->sim, 1); 2514 return; 2515 } 2516 ahci_begin_transaction(dev, ccb); 2517 return; 2518 case XPT_EN_LUN: /* Enable LUN as a target */ 2519 case XPT_TARGET_IO: /* Execute target I/O request */ 2520 case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */ 2521 case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/ 2522 case XPT_ABORT: /* Abort the specified CCB */ 2523 /* XXX Implement */ 2524 ccb->ccb_h.status = CAM_REQ_INVALID; 2525 break; 2526 case XPT_SET_TRAN_SETTINGS: 2527 { 2528 struct ccb_trans_settings *cts = &ccb->cts; 2529 struct ahci_device *d; 2530 2531 if (ahci_check_ids(dev, ccb)) 2532 return; 2533 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 2534 d = &ch->curr[ccb->ccb_h.target_id]; 2535 else 2536 d = &ch->user[ccb->ccb_h.target_id]; 2537 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 2538 d->revision = cts->xport_specific.sata.revision; 2539 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) 2540 d->mode = cts->xport_specific.sata.mode; 2541 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 2542 d->bytecount = min(8192, cts->xport_specific.sata.bytecount); 2543 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS) 2544 d->tags = min(ch->numslots, cts->xport_specific.sata.tags); 2545 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) 2546 ch->pm_present = cts->xport_specific.sata.pm_present; 2547 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_ATAPI) 2548 d->atapi = cts->xport_specific.sata.atapi; 2549 if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 2550 d->caps = cts->xport_specific.sata.caps; 2551 ccb->ccb_h.status = CAM_REQ_CMP; 2552 break; 2553 } 2554 case XPT_GET_TRAN_SETTINGS: 2555 /* Get default/user set transfer settings for the target */ 2556 { 2557 struct ccb_trans_settings *cts = &ccb->cts; 2558 struct ahci_device *d; 2559 uint32_t status; 2560 2561 if (ahci_check_ids(dev, ccb)) 2562 return; 2563 if (cts->type == CTS_TYPE_CURRENT_SETTINGS) 2564 d = &ch->curr[ccb->ccb_h.target_id]; 2565 else 2566 d = &ch->user[ccb->ccb_h.target_id]; 2567 cts->protocol = PROTO_ATA; 2568 cts->protocol_version = PROTO_VERSION_UNSPECIFIED; 2569 cts->transport = XPORT_SATA; 2570 cts->transport_version = XPORT_VERSION_UNSPECIFIED; 2571 cts->proto_specific.valid = 0; 2572 cts->xport_specific.sata.valid = 0; 2573 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 2574 (ccb->ccb_h.target_id == 15 || 2575 (ccb->ccb_h.target_id == 0 && !ch->pm_present))) { 2576 status = ATA_INL(ch->r_mem, AHCI_P_SSTS) & ATA_SS_SPD_MASK; 2577 if (status & 0x0f0) { 2578 cts->xport_specific.sata.revision = 2579 (status & 0x0f0) >> 4; 2580 cts->xport_specific.sata.valid |= 2581 CTS_SATA_VALID_REVISION; 2582 } 2583 cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D; 2584 if (ch->pm_level) { 2585 if (ch->caps & (AHCI_CAP_PSC | AHCI_CAP_SSC)) 2586 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ; 2587 if (ch->caps2 & AHCI_CAP2_APST) 2588 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_APST; 2589 } 2590 if ((ch->caps & AHCI_CAP_SNCQ) && 2591 (ch->quirks & AHCI_Q_NOAA) == 0) 2592 cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_DMAAA; 2593 cts->xport_specific.sata.caps &= 2594 ch->user[ccb->ccb_h.target_id].caps; 2595 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 2596 } else { 2597 cts->xport_specific.sata.revision = d->revision; 2598 cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; 2599 cts->xport_specific.sata.caps = d->caps; 2600 cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 2601 } 2602 cts->xport_specific.sata.mode = d->mode; 2603 cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE; 2604 cts->xport_specific.sata.bytecount = d->bytecount; 2605 cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT; 2606 cts->xport_specific.sata.pm_present = ch->pm_present; 2607 cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM; 2608 cts->xport_specific.sata.tags = d->tags; 2609 cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS; 2610 cts->xport_specific.sata.atapi = d->atapi; 2611 cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI; 2612 ccb->ccb_h.status = CAM_REQ_CMP; 2613 break; 2614 } 2615 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2616 case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */ 2617 ahci_reset(dev); 2618 ccb->ccb_h.status = CAM_REQ_CMP; 2619 break; 2620 case XPT_TERM_IO: /* Terminate the I/O process */ 2621 /* XXX Implement */ 2622 ccb->ccb_h.status = CAM_REQ_INVALID; 2623 break; 2624 case XPT_PATH_INQ: /* Path routing inquiry */ 2625 { 2626 struct ccb_pathinq *cpi = &ccb->cpi; 2627 2628 parent = device_get_parent(dev); 2629 cpi->version_num = 1; /* XXX??? */ 2630 cpi->hba_inquiry = PI_SDTR_ABLE; 2631 if (ch->caps & AHCI_CAP_SNCQ) 2632 cpi->hba_inquiry |= PI_TAG_ABLE; 2633 if (ch->caps & AHCI_CAP_SPM) 2634 cpi->hba_inquiry |= PI_SATAPM; 2635 cpi->target_sprt = 0; 2636 cpi->hba_misc = PIM_SEQSCAN; 2637 cpi->hba_eng_cnt = 0; 2638 if (ch->caps & AHCI_CAP_SPM) 2639 cpi->max_target = 15; 2640 else 2641 cpi->max_target = 0; 2642 cpi->max_lun = 0; 2643 cpi->initiator_id = 0; 2644 cpi->bus_id = cam_sim_bus(sim); 2645 cpi->base_transfer_speed = 150000; 2646 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2647 strncpy(cpi->hba_vid, "AHCI", HBA_IDLEN); 2648 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 2649 cpi->unit_number = cam_sim_unit(sim); 2650 cpi->transport = XPORT_SATA; 2651 cpi->transport_version = XPORT_VERSION_UNSPECIFIED; 2652 cpi->protocol = PROTO_ATA; 2653 cpi->protocol_version = PROTO_VERSION_UNSPECIFIED; 2654 cpi->maxio = MAXPHYS; 2655 /* ATI SB600 can't handle 256 sectors with FPDMA (NCQ). */ 2656 if (pci_get_devid(parent) == 0x43801002) 2657 cpi->maxio = min(cpi->maxio, 128 * 512); 2658 cpi->hba_vendor = pci_get_vendor(parent); 2659 cpi->hba_device = pci_get_device(parent); 2660 cpi->hba_subvendor = pci_get_subvendor(parent); 2661 cpi->hba_subdevice = pci_get_subdevice(parent); 2662 cpi->ccb_h.status = CAM_REQ_CMP; 2663 break; 2664 } 2665 default: 2666 ccb->ccb_h.status = CAM_REQ_INVALID; 2667 break; 2668 } 2669 xpt_done(ccb); 2670} 2671 2672static void 2673ahcipoll(struct cam_sim *sim) 2674{ 2675 struct ahci_channel *ch = (struct ahci_channel *)cam_sim_softc(sim); 2676 2677 ahci_ch_intr(ch->dev); 2678} 2679