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freebsd-dev/sys/dev/aac/aac_pci.c
Scott Long 7cb209f5d0 Mega Update to the aac driver to support a whole new family of cards and 
the modified interface that they use.  Changes include:

- Register a different interrupt handler for the new interface.  This one is
  INTR_MPSAFE, not INTR_FAST, and directly processes completions and AIFs.
- Add an event registration and callback mechanism for the ioctl and CAM
  modules can know when a resource shortage clears.  This condition was
  previously fatal in CAM due to programming oversights.
- Fix locking to play better with newbus.
- Provide access methods for talking to cards with the NEWCOMM interface.
- Fix up the CAM module to be better suited for dealing with newer firmware
  on the PERC Si/Di series that requires talking to plain SCSI via aac.
- Add a whole slew of new PCI Id's.

Thanks to Adaptec for providing an initial version of this work and for
answering countless questions about it.  There are still some rough edges in
this, but it works well enough to commit and test for now.

Obtained from: Adaptec, Inc.
2005-10-08 15:55:09 +00:00

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/*-
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2001 Scott Long
* Copyright (c) 2000 BSDi
* Copyright (c) 2001 Adaptec, Inc.
* 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.
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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("$FreeBSD$");
/*
* PCI bus interface and resource allocation.
*/
#include "opt_aac.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bio.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/disk.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/aac/aacreg.h>
#include <sys/aac_ioctl.h>
#include <dev/aac/aacvar.h>
static int aac_pci_probe(device_t dev);
static int aac_pci_attach(device_t dev);
static device_method_t aac_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, aac_pci_probe),
DEVMETHOD(device_attach, aac_pci_attach),
DEVMETHOD(device_detach, aac_detach),
DEVMETHOD(device_suspend, aac_suspend),
DEVMETHOD(device_resume, aac_resume),
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
{ 0, 0 }
};
static driver_t aac_pci_driver = {
"aac",
aac_methods,
sizeof(struct aac_softc)
};
static devclass_t aac_devclass;
DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0);
struct aac_ident
{
u_int16_t vendor;
u_int16_t device;
u_int16_t subvendor;
u_int16_t subdevice;
int hwif;
int quirks;
char *desc;
} aac_identifiers[] = {
{0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0,
"Dell PERC 2/Si"},
{0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0,
"Dell PERC 3/Di"},
{0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0,
"Dell PERC 3/Si"},
{0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0,
"Dell PERC 3/Si"},
{0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0,
"Dell PERC 3/Di"},
{0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0,
"Dell PERC 3/Di"},
{0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0,
"Dell PERC 3/Di"},
{0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0,
"Dell PERC 3/Di"},
{0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0,
"Dell PERC 3/Di"},
{0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0,
"Adaptec AAC-364"},
{0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM,
AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"},
{0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC,
"Dell PERC 2/QC"},
{0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0,
"HP NetRaid-4M"},
{0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"},
{0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
AAC_FLAGS_256FIBS, "Dell PERC 320/DC"},
{0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"},
{0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
"Adaptec SCSI RAID 2410SA"},
{0x9005, 0x0285, 0x1028, 0x0291, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
"Dell CERC SATA RAID 2"},
{0x9005, 0x0285, 0x9005, 0x0292, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
"Adaptec SCSI RAID 2810SA"},
{0x9005, 0x0285, 0x9005, 0x0293, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
"Adaptec SCSI RAID 21610SA"},
{0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
"HP ML110 G2 (Adaptec 2610SA)"},
{0x9005, 0x0286, 0x9005, 0x028c, AAC_HWIF_RKT, 0,
"Adaptec SCSI RAID 2230S"},
{0x9005, 0x0286, 0x9005, 0x028d, AAC_HWIF_RKT, 0,
"Adaptec SCSI RAID 2130S"},
{0x9005, 0x0285, 0x9005, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"},
{0x9005, 0x0285, 0x17aa, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
AAC_FLAGS_256FIBS, "Legend S220"},
{0x9005, 0x0285, 0x17aa, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
AAC_FLAGS_256FIBS, "Legend S230"},
{0x9005, 0x0285, 0x9005, 0x0288, AAC_HWIF_I960RX, 0,
"Adaptec SCSI RAID 3230S"},
{0x9005, 0x0285, 0x9005, 0x0289, AAC_HWIF_I960RX, 0,
"Adaptec SCSI RAID 3240S"},
{0x9005, 0x0285, 0x9005, 0x028a, AAC_HWIF_I960RX, 0,
"Adaptec SCSI RAID 2020ZCR"},
{0x9005, 0x0285, 0x9005, 0x028b, AAC_HWIF_I960RX, 0,
"Adaptec SCSI RAID 2025ZCR"},
{0x9005, 0x0286, 0x9005, 0x029b, AAC_HWIF_RKT, 0,
"Adaptec SATA RAID 2820SA"},
{0x9005, 0x0286, 0x9005, 0x029c, AAC_HWIF_RKT, 0,
"Adaptec SATA RAID 2620SA"},
{0x9005, 0x0286, 0x9005, 0x029d, AAC_HWIF_RKT, 0,
"Adaptec SATA RAID 2420SA"},
{0x9005, 0x0286, 0x9005, 0x029e, AAC_HWIF_RKT, 0,
"ICP9024RO SATA RAID"},
{0x9005, 0x0286, 0x9005, 0x029f, AAC_HWIF_RKT, 0,
"ICP9014RO SATA RAID"},
{0x9005, 0x0285, 0x9005, 0x0294, AAC_HWIF_I960RX, 0,
"Adaptec SATA RAID 2026ZCR"},
{0x9005, 0x0285, 0x103c, 0x3227, AAC_HWIF_I960RX, 0,
"Adaptec SATA RAID 2610SA"},
{0x9005, 0x0285, 0x9005, 0x0296, AAC_HWIF_I960RX, 0,
"Adaptec SCSI RAID 2240S"},
{0x9005, 0x0285, 0x9005, 0x0297, AAC_HWIF_I960RX, 0,
"Adaptec SAS RAID 4005SAS"},
{0x9005, 0x0285, 0x1014, 0x02f2, AAC_HWIF_I960RX, 0,
"IBM ServeRAID 8i"},
{0x9005, 0x0285, 0x9005, 0x0298, AAC_HWIF_I960RX, 0,
"Adaptec SAS RAID 4000SAS"},
{0x9005, 0x0285, 0x9005, 0x0299, AAC_HWIF_I960RX, 0,
"Adaptec SAS RAID 4800SAS"},
{0x9005, 0x0285, 0x9005, 0x029a, AAC_HWIF_I960RX, 0,
"Adaptec SAS RAID 4805SAS"},
{0x9005, 0x0285, 0x9005, 0x028e, AAC_HWIF_I960RX, 0,
"Adaptec SATA RAID 2020SA ZCR"},
{0x9005, 0x0285, 0x9005, 0x028f, AAC_HWIF_I960RX, 0,
"Adaptec SATA RAID 2025SA ZCR"},
{0x9005, 0x0285, 0x9005, 0x02a4, AAC_HWIF_I960RX, 0,
"ICP 9085LI SAS RAID"},
{0x9005, 0x0285, 0x9005, 0x02a5, AAC_HWIF_I960RX, 0,
"ICP 5085BR SAS RAID"},
{0x9005, 0x0286, 0x9005, 0x02a0, AAC_HWIF_RKT, 0,
"ICP9047MA SATA RAID"},
{0x9005, 0x0286, 0x9005, 0x02a1, AAC_HWIF_RKT, 0,
"ICP9087MA SATA RAID"},
{0, 0, 0, 0, 0, 0, 0}
};
/*
* Determine whether this is one of our supported adapters.
*/
static int
aac_pci_probe(device_t dev)
{
struct aac_ident *m;
debug_called(1);
for (m = aac_identifiers; m->vendor != 0; m++) {
if ((m->vendor == pci_get_vendor(dev)) &&
(m->device == pci_get_device(dev)) &&
((m->subvendor == 0) || (m->subvendor ==
pci_get_subvendor(dev))) &&
((m->subdevice == 0) || ((m->subdevice ==
pci_get_subdevice(dev))))) {
device_set_desc(dev, m->desc);
return(BUS_PROBE_DEFAULT);
}
}
return(ENXIO);
}
/*
* Allocate resources for our device, set up the bus interface.
*/
static int
aac_pci_attach(device_t dev)
{
struct aac_softc *sc;
int i, error;
u_int32_t command;
debug_called(1);
/*
* Initialise softc.
*/
sc = device_get_softc(dev);
bzero(sc, sizeof(*sc));
sc->aac_dev = dev;
/* assume failure is 'not configured' */
error = ENXIO;
/*
* Verify that the adapter is correctly set up in PCI space.
*/
command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
command |= PCIM_CMD_BUSMASTEREN;
pci_write_config(dev, PCIR_COMMAND, command, 2);
command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
if (!(command & PCIM_CMD_BUSMASTEREN)) {
device_printf(sc->aac_dev, "can't enable bus-master feature\n");
goto out;
}
if ((command & PCIM_CMD_MEMEN) == 0) {
device_printf(sc->aac_dev, "memory window not available\n");
goto out;
}
/*
* Allocate the PCI register window.
*/
sc->aac_regs_rid = PCIR_BAR(0);
if ((sc->aac_regs_resource = bus_alloc_resource_any(sc->aac_dev,
SYS_RES_MEMORY,
&sc->aac_regs_rid,
RF_ACTIVE)) ==
NULL) {
device_printf(sc->aac_dev,
"couldn't allocate register window\n");
goto out;
}
sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
/* assume failure is 'out of memory' */
error = ENOMEM;
/*
* Allocate the parent bus DMA tag appropriate for our PCI interface.
*
* Note that some of these controllers are 64-bit capable.
*/
if (bus_dma_tag_create(NULL, /* parent */
PAGE_SIZE, 0, /* algnmnt, boundary */
BUS_SPACE_MAXADDR, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
BUS_SPACE_MAXSIZE_32BIT, /* maxsize */
BUS_SPACE_UNRESTRICTED, /* nsegments */
BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */
0, /* flags */
NULL, NULL, /* No locking needed */
&sc->aac_parent_dmat)) {
device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
goto out;
}
/*
* Detect the hardware interface version, set up the bus interface
* indirection.
*/
for (i = 0; aac_identifiers[i].vendor != 0; i++) {
if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) &&
(aac_identifiers[i].device == pci_get_device(dev)) &&
(aac_identifiers[i].subvendor == pci_get_subvendor(dev)) &&
(aac_identifiers[i].subdevice == pci_get_subdevice(dev))) {
sc->aac_hwif = aac_identifiers[i].hwif;
switch(sc->aac_hwif) {
case AAC_HWIF_I960RX:
debug(2, "set hardware up for i960Rx");
sc->aac_if = aac_rx_interface;
break;
case AAC_HWIF_STRONGARM:
debug(2, "set hardware up for StrongARM");
sc->aac_if = aac_sa_interface;
break;
case AAC_HWIF_FALCON:
debug(2, "set hardware up for Falcon/PPC");
sc->aac_if = aac_fa_interface;
break;
case AAC_HWIF_RKT:
debug(2, "set hardware up for Rocket/MIPS");
sc->aac_if = aac_rkt_interface;
break;
default:
sc->aac_hwif = AAC_HWIF_UNKNOWN;
break;
}
/* Set up quirks */
sc->flags = aac_identifiers[i].quirks;
break;
}
}
if (sc->aac_hwif == AAC_HWIF_UNKNOWN) {
device_printf(sc->aac_dev, "unknown hardware type\n");
error = ENXIO;
goto out;
}
/*
* Do bus-independent initialisation.
*/
error = aac_attach(sc);
out:
if (error)
aac_free(sc);
return(error);
}
/*
* Do nothing driver that will attach to the SCSI channels of a Dell PERC
* controller. This is needed to keep the power management subsystem from
* trying to power down these devices.
*/
static int aacch_probe(device_t dev);
static int aacch_attach(device_t dev);
static int aacch_detach(device_t dev);
static device_method_t aacch_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, aacch_probe),
DEVMETHOD(device_attach, aacch_attach),
DEVMETHOD(device_detach, aacch_detach),
{ 0, 0 }
};
struct aacch_softc {
device_t dev;
};
static driver_t aacch_driver = {
"aacch",
aacch_methods,
sizeof(struct aacch_softc)
};
static devclass_t aacch_devclass;
DRIVER_MODULE(aacch, pci, aacch_driver, aacch_devclass, 0, 0);
static int
aacch_probe(device_t dev)
{
if ((pci_get_vendor(dev) != 0x9005) ||
(pci_get_device(dev) != 0x00c5))
return (ENXIO);
device_set_desc(dev, "AAC RAID Channel");
return (-10);
}
static int
aacch_attach(device_t dev)
{
struct aacch_softc *sc;
sc = device_get_softc(dev);
sc->dev = dev;
return (0);
}
static int
aacch_detach(device_t dev)
{
return (0);
}
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