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freebsd-skq/sys/dev/ahci/ahci_pci.c
Alexander Motin 3036de3c48 Reduce priority of ATA/SATA drivers. 
Legacy ata(4) -> BUS_PROBE_LOW_PRIORITY;  more functional ahci(4), siis(4),
mvs(4) -> BUS_PROBE_DEFAULT;  BUS_PROBE_VENDOR leave for vendor drivers.

MFC after:	2 weeks
2015-03-23 19:47:52 +00:00

524 lines
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/*-
* Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/endian.h>
#include <sys/malloc.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <machine/stdarg.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include "ahci.h"
static int force_ahci = 1;
TUNABLE_INT("hw.ahci.force", &force_ahci);
static const struct {
uint32_t id;
uint8_t rev;
const char *name;
int quirks;
} ahci_ids[] = {
{0x43801002, 0x00, "AMD SB600",
AHCI_Q_NOMSI | AHCI_Q_ATI_PMP_BUG | AHCI_Q_MAXIO_64K},
{0x43901002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
{0x43911002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
{0x43921002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
{0x43931002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
{0x43941002, 0x00, "AMD SB7x0/SB8x0/SB9x0",
AHCI_Q_ATI_PMP_BUG | AHCI_Q_1MSI},
/* Not sure SB8x0/SB9x0 needs this quirk. Be conservative though */
{0x43951002, 0x00, "AMD SB8x0/SB9x0", AHCI_Q_ATI_PMP_BUG},
{0x78001022, 0x00, "AMD Hudson-2", 0},
{0x78011022, 0x00, "AMD Hudson-2", 0},
{0x78021022, 0x00, "AMD Hudson-2", 0},
{0x78031022, 0x00, "AMD Hudson-2", 0},
{0x78041022, 0x00, "AMD Hudson-2", 0},
{0x06111b21, 0x00, "ASMedia ASM2106", 0},
{0x06121b21, 0x00, "ASMedia ASM1061", 0},
{0x26528086, 0x00, "Intel ICH6", AHCI_Q_NOFORCE},
{0x26538086, 0x00, "Intel ICH6M", AHCI_Q_NOFORCE},
{0x26818086, 0x00, "Intel ESB2", 0},
{0x26828086, 0x00, "Intel ESB2", 0},
{0x26838086, 0x00, "Intel ESB2", 0},
{0x27c18086, 0x00, "Intel ICH7", 0},
{0x27c38086, 0x00, "Intel ICH7", 0},
{0x27c58086, 0x00, "Intel ICH7M", 0},
{0x27c68086, 0x00, "Intel ICH7M", 0},
{0x28218086, 0x00, "Intel ICH8", 0},
{0x28228086, 0x00, "Intel ICH8", 0},
{0x28248086, 0x00, "Intel ICH8", 0},
{0x28298086, 0x00, "Intel ICH8M", 0},
{0x282a8086, 0x00, "Intel ICH8M", 0},
{0x29228086, 0x00, "Intel ICH9", 0},
{0x29238086, 0x00, "Intel ICH9", 0},
{0x29248086, 0x00, "Intel ICH9", 0},
{0x29258086, 0x00, "Intel ICH9", 0},
{0x29278086, 0x00, "Intel ICH9", 0},
{0x29298086, 0x00, "Intel ICH9M", 0},
{0x292a8086, 0x00, "Intel ICH9M", 0},
{0x292b8086, 0x00, "Intel ICH9M", 0},
{0x292c8086, 0x00, "Intel ICH9M", 0},
{0x292f8086, 0x00, "Intel ICH9M", 0},
{0x294d8086, 0x00, "Intel ICH9", 0},
{0x294e8086, 0x00, "Intel ICH9M", 0},
{0x3a058086, 0x00, "Intel ICH10", 0},
{0x3a228086, 0x00, "Intel ICH10", 0},
{0x3a258086, 0x00, "Intel ICH10", 0},
{0x3b228086, 0x00, "Intel 5 Series/3400 Series", 0},
{0x3b238086, 0x00, "Intel 5 Series/3400 Series", 0},
{0x3b258086, 0x00, "Intel 5 Series/3400 Series", 0},
{0x3b298086, 0x00, "Intel 5 Series/3400 Series", 0},
{0x3b2c8086, 0x00, "Intel 5 Series/3400 Series", 0},
{0x3b2f8086, 0x00, "Intel 5 Series/3400 Series", 0},
{0x1c028086, 0x00, "Intel Cougar Point", 0},
{0x1c038086, 0x00, "Intel Cougar Point", 0},
{0x1c048086, 0x00, "Intel Cougar Point", 0},
{0x1c058086, 0x00, "Intel Cougar Point", 0},
{0x1d028086, 0x00, "Intel Patsburg", 0},
{0x1d048086, 0x00, "Intel Patsburg", 0},
{0x1d068086, 0x00, "Intel Patsburg", 0},
{0x28268086, 0x00, "Intel Patsburg (RAID)", 0},
{0x1e028086, 0x00, "Intel Panther Point", 0},
{0x1e038086, 0x00, "Intel Panther Point", 0},
{0x1e048086, 0x00, "Intel Panther Point (RAID)", 0},
{0x1e058086, 0x00, "Intel Panther Point (RAID)", 0},
{0x1e068086, 0x00, "Intel Panther Point (RAID)", 0},
{0x1e078086, 0x00, "Intel Panther Point (RAID)", 0},
{0x1e0e8086, 0x00, "Intel Panther Point (RAID)", 0},
{0x1e0f8086, 0x00, "Intel Panther Point (RAID)", 0},
{0x1f228086, 0x00, "Intel Avoton", 0},
{0x1f238086, 0x00, "Intel Avoton", 0},
{0x1f248086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f258086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f268086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f278086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f2e8086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f2f8086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f328086, 0x00, "Intel Avoton", 0},
{0x1f338086, 0x00, "Intel Avoton", 0},
{0x1f348086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f358086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f368086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f378086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f3e8086, 0x00, "Intel Avoton (RAID)", 0},
{0x1f3f8086, 0x00, "Intel Avoton (RAID)", 0},
{0x23a38086, 0x00, "Intel Coleto Creek", 0},
{0x28238086, 0x00, "Intel Wellsburg (RAID)", 0},
{0x28278086, 0x00, "Intel Wellsburg (RAID)", 0},
{0x8c028086, 0x00, "Intel Lynx Point", 0},
{0x8c038086, 0x00, "Intel Lynx Point", 0},
{0x8c048086, 0x00, "Intel Lynx Point (RAID)", 0},
{0x8c058086, 0x00, "Intel Lynx Point (RAID)", 0},
{0x8c068086, 0x00, "Intel Lynx Point (RAID)", 0},
{0x8c078086, 0x00, "Intel Lynx Point (RAID)", 0},
{0x8c0e8086, 0x00, "Intel Lynx Point (RAID)", 0},
{0x8c0f8086, 0x00, "Intel Lynx Point (RAID)", 0},
{0x8c828086, 0x00, "Intel Wildcat Point", 0},
{0x8c838086, 0x00, "Intel Wildcat Point", 0},
{0x8c848086, 0x00, "Intel Wildcat Point (RAID)", 0},
{0x8c858086, 0x00, "Intel Wildcat Point (RAID)", 0},
{0x8c868086, 0x00, "Intel Wildcat Point (RAID)", 0},
{0x8c878086, 0x00, "Intel Wildcat Point (RAID)", 0},
{0x8c8e8086, 0x00, "Intel Wildcat Point (RAID)", 0},
{0x8c8f8086, 0x00, "Intel Wildcat Point (RAID)", 0},
{0x8d028086, 0x00, "Intel Wellsburg", 0},
{0x8d048086, 0x00, "Intel Wellsburg (RAID)", 0},
{0x8d068086, 0x00, "Intel Wellsburg (RAID)", 0},
{0x8d628086, 0x00, "Intel Wellsburg", 0},
{0x8d648086, 0x00, "Intel Wellsburg (RAID)", 0},
{0x8d668086, 0x00, "Intel Wellsburg (RAID)", 0},
{0x8d6e8086, 0x00, "Intel Wellsburg (RAID)", 0},
{0x9c028086, 0x00, "Intel Lynx Point-LP", 0},
{0x9c038086, 0x00, "Intel Lynx Point-LP", 0},
{0x9c048086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
{0x9c058086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
{0x9c068086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
{0x9c078086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
{0x9c0e8086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
{0x9c0f8086, 0x00, "Intel Lynx Point-LP (RAID)", 0},
{0x23238086, 0x00, "Intel DH89xxCC", 0},
{0x2360197b, 0x00, "JMicron JMB360", 0},
{0x2361197b, 0x00, "JMicron JMB361", AHCI_Q_NOFORCE},
{0x2362197b, 0x00, "JMicron JMB362", 0},
{0x2363197b, 0x00, "JMicron JMB363", AHCI_Q_NOFORCE},
{0x2365197b, 0x00, "JMicron JMB365", AHCI_Q_NOFORCE},
{0x2366197b, 0x00, "JMicron JMB366", AHCI_Q_NOFORCE},
{0x2368197b, 0x00, "JMicron JMB368", AHCI_Q_NOFORCE},
{0x611111ab, 0x00, "Marvell 88SE6111", AHCI_Q_NOFORCE | AHCI_Q_1CH |
AHCI_Q_EDGEIS},
{0x612111ab, 0x00, "Marvell 88SE6121", AHCI_Q_NOFORCE | AHCI_Q_2CH |
AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
{0x614111ab, 0x00, "Marvell 88SE6141", AHCI_Q_NOFORCE | AHCI_Q_4CH |
AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
{0x614511ab, 0x00, "Marvell 88SE6145", AHCI_Q_NOFORCE | AHCI_Q_4CH |
AHCI_Q_EDGEIS | AHCI_Q_NONCQ | AHCI_Q_NOCOUNT},
{0x91201b4b, 0x00, "Marvell 88SE912x", AHCI_Q_EDGEIS},
{0x91231b4b, 0x11, "Marvell 88SE912x", AHCI_Q_ALTSIG},
{0x91231b4b, 0x00, "Marvell 88SE912x", AHCI_Q_EDGEIS|AHCI_Q_SATA2},
{0x91251b4b, 0x00, "Marvell 88SE9125", 0},
{0x91281b4b, 0x00, "Marvell 88SE9128", AHCI_Q_ALTSIG},
{0x91301b4b, 0x00, "Marvell 88SE9130", AHCI_Q_ALTSIG},
{0x91721b4b, 0x00, "Marvell 88SE9172", 0},
{0x91821b4b, 0x00, "Marvell 88SE9182", 0},
{0x91831b4b, 0x00, "Marvell 88SS9183", 0},
{0x91a01b4b, 0x00, "Marvell 88SE91Ax", 0},
{0x92151b4b, 0x00, "Marvell 88SE9215", 0},
{0x92201b4b, 0x00, "Marvell 88SE9220", AHCI_Q_ALTSIG},
{0x92301b4b, 0x00, "Marvell 88SE9230", AHCI_Q_ALTSIG},
{0x92351b4b, 0x00, "Marvell 88SE9235", 0},
{0x06201103, 0x00, "HighPoint RocketRAID 620", 0},
{0x06201b4b, 0x00, "HighPoint RocketRAID 620", 0},
{0x06221103, 0x00, "HighPoint RocketRAID 622", 0},
{0x06221b4b, 0x00, "HighPoint RocketRAID 622", 0},
{0x06401103, 0x00, "HighPoint RocketRAID 640", 0},
{0x06401b4b, 0x00, "HighPoint RocketRAID 640", 0},
{0x06441103, 0x00, "HighPoint RocketRAID 644", 0},
{0x06441b4b, 0x00, "HighPoint RocketRAID 644", 0},
{0x06411103, 0x00, "HighPoint RocketRAID 640L", 0},
{0x06421103, 0x00, "HighPoint RocketRAID 642L", 0},
{0x06451103, 0x00, "HighPoint RocketRAID 644L", 0},
{0x044c10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
{0x044d10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
{0x044e10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
{0x044f10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
{0x045c10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
{0x045d10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
{0x045e10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
{0x045f10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
{0x055010de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055110de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055210de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055310de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055410de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055510de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055610de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055710de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055810de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055910de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055A10de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x055B10de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x058410de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
{0x07f010de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07f110de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07f210de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07f310de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07f410de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07f510de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07f610de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07f710de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07f810de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07f910de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07fa10de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x07fb10de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
{0x0ad010de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ad110de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ad210de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ad310de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ad410de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ad510de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ad610de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ad710de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ad810de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ad910de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ada10de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0adb10de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
{0x0ab410de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0ab510de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0ab610de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0ab710de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0ab810de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0ab910de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0aba10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0abb10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0abc10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0abd10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0abe10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0abf10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
{0x0d8410de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x0d8510de, 0x00, "NVIDIA MCP89", AHCI_Q_NOFORCE|AHCI_Q_NOAA},
{0x0d8610de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x0d8710de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x0d8810de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x0d8910de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x0d8a10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x0d8b10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x0d8c10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x0d8d10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x0d8e10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x0d8f10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
{0x3781105a, 0x00, "Promise TX8660", 0},
{0x33491106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ},
{0x62871106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ},
{0x11841039, 0x00, "SiS 966", 0},
{0x11851039, 0x00, "SiS 968", 0},
{0x01861039, 0x00, "SiS 968", 0},
{0xa01c177d, 0x00, "ThunderX", AHCI_Q_ABAR0|AHCI_Q_1MSI},
{0x00311c36, 0x00, "Annapurna", AHCI_Q_FORCE_PI|AHCI_Q_RESTORE_CAP},
{0x00000000, 0x00, NULL, 0}
};
static int
ahci_pci_ctlr_reset(device_t dev)
{
if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == 0x28298086 &&
(pci_read_config(dev, 0x92, 1) & 0xfe) == 0x04)
pci_write_config(dev, 0x92, 0x01, 1);
return ahci_ctlr_reset(dev);
}
static int
ahci_probe(device_t dev)
{
char buf[64];
int i, valid = 0;
uint32_t devid = pci_get_devid(dev);
uint8_t revid = pci_get_revid(dev);
/*
* Ensure it is not a PCI bridge (some vendors use
* the same PID and VID in PCI bridge and AHCI cards).
*/
if (pci_get_class(dev) == PCIC_BRIDGE)
return (ENXIO);
/* Is this a possible AHCI candidate? */
if (pci_get_class(dev) == PCIC_STORAGE &&
pci_get_subclass(dev) == PCIS_STORAGE_SATA &&
pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0)
valid = 1;
/* Is this a known AHCI chip? */
for (i = 0; ahci_ids[i].id != 0; i++) {
if (ahci_ids[i].id == devid &&
ahci_ids[i].rev <= revid &&
(valid || (force_ahci == 1 &&
!(ahci_ids[i].quirks & AHCI_Q_NOFORCE)))) {
/* Do not attach JMicrons with single PCI function. */
if (pci_get_vendor(dev) == 0x197b &&
(pci_read_config(dev, 0xdf, 1) & 0x40) == 0)
return (ENXIO);
snprintf(buf, sizeof(buf), "%s AHCI SATA controller",
ahci_ids[i].name);
device_set_desc_copy(dev, buf);
return (BUS_PROBE_DEFAULT);
}
}
if (!valid)
return (ENXIO);
device_set_desc_copy(dev, "AHCI SATA controller");
return (BUS_PROBE_DEFAULT);
}
static int
ahci_ata_probe(device_t dev)
{
char buf[64];
int i;
uint32_t devid = pci_get_devid(dev);
uint8_t revid = pci_get_revid(dev);
if ((intptr_t)device_get_ivars(dev) >= 0)
return (ENXIO);
/* Is this a known AHCI chip? */
for (i = 0; ahci_ids[i].id != 0; i++) {
if (ahci_ids[i].id == devid &&
ahci_ids[i].rev <= revid) {
snprintf(buf, sizeof(buf), "%s AHCI SATA controller",
ahci_ids[i].name);
device_set_desc_copy(dev, buf);
return (BUS_PROBE_DEFAULT);
}
}
device_set_desc_copy(dev, "AHCI SATA controller");
return (BUS_PROBE_DEFAULT);
}
static int
ahci_pci_attach(device_t dev)
{
struct ahci_controller *ctlr = device_get_softc(dev);
int error, i;
uint32_t devid = pci_get_devid(dev);
uint8_t revid = pci_get_revid(dev);
i = 0;
while (ahci_ids[i].id != 0 &&
(ahci_ids[i].id != devid ||
ahci_ids[i].rev > revid))
i++;
ctlr->quirks = ahci_ids[i].quirks;
/* Limit speed for my onboard JMicron external port.
* It is not eSATA really, limit to SATA 1 */
if (pci_get_devid(dev) == 0x2363197b &&
pci_get_subvendor(dev) == 0x1043 &&
pci_get_subdevice(dev) == 0x81e4)
ctlr->quirks |= AHCI_Q_SATA1_UNIT0;
ctlr->vendorid = pci_get_vendor(dev);
ctlr->deviceid = pci_get_device(dev);
ctlr->subvendorid = pci_get_subvendor(dev);
ctlr->subdeviceid = pci_get_subdevice(dev);
/* Default AHCI Base Address is BAR(5), Cavium uses BAR(0) */
if (ctlr->quirks & AHCI_Q_ABAR0)
ctlr->r_rid = PCIR_BAR(0);
else
ctlr->r_rid = PCIR_BAR(5);
if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&ctlr->r_rid, RF_ACTIVE)))
return ENXIO;
pci_enable_busmaster(dev);
/* Reset controller */
if ((error = ahci_pci_ctlr_reset(dev)) != 0) {
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
return (error);
};
/* Setup interrupts. */
/* Setup MSI register parameters */
/* Process hints. */
if (ctlr->quirks & AHCI_Q_NOMSI)
ctlr->msi = 0;
else if (ctlr->quirks & AHCI_Q_1MSI)
ctlr->msi = 1;
else
ctlr->msi = 2;
resource_int_value(device_get_name(dev),
device_get_unit(dev), "msi", &ctlr->msi);
ctlr->numirqs = 1;
if (ctlr->msi < 0)
ctlr->msi = 0;
else if (ctlr->msi == 1)
ctlr->msi = min(1, pci_msi_count(dev));
else if (ctlr->msi > 1) {
ctlr->msi = 2;
ctlr->numirqs = pci_msi_count(dev);
}
/* Allocate MSI if needed/present. */
if (ctlr->msi && pci_alloc_msi(dev, &ctlr->numirqs) != 0) {
ctlr->msi = 0;
ctlr->numirqs = 1;
}
error = ahci_attach(dev);
if (error != 0)
if (ctlr->msi)
pci_release_msi(dev);
return error;
}
static int
ahci_pci_detach(device_t dev)
{
ahci_detach(dev);
pci_release_msi(dev);
return (0);
}
static int
ahci_pci_suspend(device_t dev)
{
struct ahci_controller *ctlr = device_get_softc(dev);
bus_generic_suspend(dev);
/* Disable interupts, so the state change(s) doesn't trigger */
ATA_OUTL(ctlr->r_mem, AHCI_GHC,
ATA_INL(ctlr->r_mem, AHCI_GHC) & (~AHCI_GHC_IE));
return 0;
}
static int
ahci_pci_resume(device_t dev)
{
int res;
if ((res = ahci_pci_ctlr_reset(dev)) != 0)
return (res);
ahci_ctlr_setup(dev);
return (bus_generic_resume(dev));
}
devclass_t ahci_devclass;
static device_method_t ahci_methods[] = {
DEVMETHOD(device_probe, ahci_probe),
DEVMETHOD(device_attach, ahci_pci_attach),
DEVMETHOD(device_detach, ahci_pci_detach),
DEVMETHOD(device_suspend, ahci_pci_suspend),
DEVMETHOD(device_resume, ahci_pci_resume),
DEVMETHOD(bus_print_child, ahci_print_child),
DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
DEVMETHOD(bus_release_resource, ahci_release_resource),
DEVMETHOD(bus_setup_intr, ahci_setup_intr),
DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
DEVMETHOD(bus_child_location_str, ahci_child_location_str),
DEVMETHOD(bus_get_dma_tag, ahci_get_dma_tag),
DEVMETHOD_END
};
static driver_t ahci_driver = {
"ahci",
ahci_methods,
sizeof(struct ahci_controller)
};
DRIVER_MODULE(ahci, pci, ahci_driver, ahci_devclass, NULL, NULL);
static device_method_t ahci_ata_methods[] = {
DEVMETHOD(device_probe, ahci_ata_probe),
DEVMETHOD(device_attach, ahci_pci_attach),
DEVMETHOD(device_detach, ahci_pci_detach),
DEVMETHOD(device_suspend, ahci_pci_suspend),
DEVMETHOD(device_resume, ahci_pci_resume),
DEVMETHOD(bus_print_child, ahci_print_child),
DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
DEVMETHOD(bus_release_resource, ahci_release_resource),
DEVMETHOD(bus_setup_intr, ahci_setup_intr),
DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
DEVMETHOD(bus_child_location_str, ahci_child_location_str),
DEVMETHOD_END
};
static driver_t ahci_ata_driver = {
"ahci",
ahci_ata_methods,
sizeof(struct ahci_controller)
};
DRIVER_MODULE(ahci, atapci, ahci_ata_driver, ahci_devclass, NULL, NULL);
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