summaryrefslogtreecommitdiffstats
path: root/sys/dev/aacraid/aacraid_pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/dev/aacraid/aacraid_pci.c')
-rw-r--r--sys/dev/aacraid/aacraid_pci.c265
1 files changed, 265 insertions, 0 deletions
diff --git a/sys/dev/aacraid/aacraid_pci.c b/sys/dev/aacraid/aacraid_pci.c
new file mode 100644
index 0000000..6204fdf
--- /dev/null
+++ b/sys/dev/aacraid/aacraid_pci.c
@@ -0,0 +1,265 @@
+/*-
+ * Copyright (c) 2000 Michael Smith
+ * Copyright (c) 2001 Scott Long
+ * Copyright (c) 2000 BSDi
+ * Copyright (c) 2001-2010 Adaptec, Inc.
+ * Copyright (c) 2010-2012 PMC-Sierra, 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_aacraid.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/aacraid/aacraid_reg.h>
+#include <sys/aac_ioctl.h>
+#include <dev/aacraid/aacraid_debug.h>
+#include <dev/aacraid/aacraid_var.h>
+
+static int aacraid_pci_probe(device_t dev);
+static int aacraid_pci_attach(device_t dev);
+
+static device_method_t aacraid_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, aacraid_pci_probe),
+ DEVMETHOD(device_attach, aacraid_pci_attach),
+ DEVMETHOD(device_detach, aacraid_detach),
+ DEVMETHOD(device_suspend, aacraid_suspend),
+ DEVMETHOD(device_resume, aacraid_resume),
+
+ DEVMETHOD(bus_print_child, bus_generic_print_child),
+ DEVMETHOD(bus_driver_added, bus_generic_driver_added),
+ { 0, 0 }
+};
+
+static driver_t aacraid_pci_driver = {
+ "aacraid",
+ aacraid_methods,
+ sizeof(struct aac_softc)
+};
+
+static devclass_t aacraid_devclass;
+
+DRIVER_MODULE(aacraid, pci, aacraid_pci_driver, aacraid_devclass, 0, 0);
+MODULE_DEPEND(aacraid, pci, 1, 1, 1);
+
+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;
+} aacraid_family_identifiers[] = {
+ {0x9005, 0x028b, 0, 0, AAC_HWIF_SRC, 0,
+ "Adaptec RAID Controller"},
+ {0x9005, 0x028c, 0, 0, AAC_HWIF_SRCV, 0,
+ "Adaptec RAID Controller"},
+ {0x9005, 0x028d, 0, 0, AAC_HWIF_SRCV, 0,
+ "Adaptec RAID Controller"},
+ {0x9005, 0x028f, 0, 0, AAC_HWIF_SRCV, 0,
+ "Adaptec RAID Controller"},
+ {0, 0, 0, 0, 0, 0, 0}
+};
+
+static struct aac_ident *
+aac_find_ident(device_t dev)
+{
+ struct aac_ident *m;
+ u_int16_t vendid, devid, sub_vendid, sub_devid;
+
+ vendid = pci_get_vendor(dev);
+ devid = pci_get_device(dev);
+ sub_vendid = pci_get_subvendor(dev);
+ sub_devid = pci_get_subdevice(dev);
+
+ for (m = aacraid_family_identifiers; m->vendor != 0; m++) {
+ if ((m->vendor == vendid) && (m->device == devid))
+ return (m);
+ }
+
+ return (NULL);
+}
+
+/*
+ * Determine whether this is one of our supported adapters.
+ */
+static int
+aacraid_pci_probe(device_t dev)
+{
+ struct aac_ident *id;
+
+ fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
+
+ if ((id = aac_find_ident(dev)) != NULL) {
+ device_set_desc(dev, id->desc);
+ return(BUS_PROBE_DEFAULT);
+ }
+ return(ENXIO);
+}
+
+/*
+ * Allocate resources for our device, set up the bus interface.
+ */
+static int
+aacraid_pci_attach(device_t dev)
+{
+ struct aac_softc *sc;
+ struct aac_ident *id;
+ int error;
+ u_int32_t command;
+
+ fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, "");
+
+ /*
+ * 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;
+ }
+
+ /*
+ * Detect the hardware interface version, set up the bus interface
+ * indirection.
+ */
+ id = aac_find_ident(dev);
+ sc->aac_hwif = id->hwif;
+ switch(sc->aac_hwif) {
+ case AAC_HWIF_SRC:
+ fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRC");
+ sc->aac_if = aacraid_src_interface;
+ break;
+ case AAC_HWIF_SRCV:
+ fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRCv");
+ sc->aac_if = aacraid_srcv_interface;
+ break;
+ default:
+ sc->aac_hwif = AAC_HWIF_UNKNOWN;
+ device_printf(sc->aac_dev, "unknown hardware type\n");
+ error = ENXIO;
+ goto out;
+ }
+
+ /* assume failure is 'out of memory' */
+ error = ENOMEM;
+
+ /*
+ * Allocate the PCI register window.
+ */
+ sc->aac_regs_rid0 = PCIR_BAR(0);
+ if ((sc->aac_regs_res0 = bus_alloc_resource_any(sc->aac_dev,
+ SYS_RES_MEMORY, &sc->aac_regs_rid0, RF_ACTIVE)) == NULL) {
+ device_printf(sc->aac_dev,
+ "couldn't allocate register window 0\n");
+ goto out;
+ }
+ sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0);
+ sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0);
+
+ sc->aac_regs_rid1 = PCIR_BAR(2);
+ if ((sc->aac_regs_res1 = bus_alloc_resource_any(sc->aac_dev,
+ SYS_RES_MEMORY, &sc->aac_regs_rid1, RF_ACTIVE)) == NULL) {
+ device_printf(sc->aac_dev,
+ "couldn't allocate register window 1\n");
+ goto out;
+ }
+ sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1);
+ sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1);
+
+ /*
+ * 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(bus_get_dma_tag(dev), /* 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;
+ }
+
+ /* Set up quirks */
+ sc->flags = id->quirks;
+
+ /*
+ * Do bus-independent initialisation.
+ */
+ error = aacraid_attach(sc);
+
+out:
+ if (error)
+ aacraid_free(sc);
+ return(error);
+}
OpenPOWER on IntegriCloud