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mfi_pci.c revision 1.12.16.4 
      1 /* $NetBSD: mfi_pci.c,v 1.12.16.4 2012/10/24 03:19:20 riz Exp $ */
      2 /* $OpenBSD: mfi_pci.c,v 1.11 2006/08/06 04:40:08 brad Exp $ */
      3 /*
      4  * Copyright (c) 2006 Marco Peereboom <marco (at) peereboom.us>
      5  *
      6  * Permission to use, copy, modify, and distribute this software for any
      7  * purpose with or without fee is hereby granted, provided that the above
      8  * copyright notice and this permission notice appear in all copies.
      9  *
     10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     17  */
     18 
     19 #include <sys/cdefs.h>
     20 __KERNEL_RCSID(0, "$NetBSD: mfi_pci.c,v 1.12.16.4 2012/10/24 03:19:20 riz Exp $");
     21 
     22 #include <sys/param.h>
     23 #include <sys/systm.h>
     24 #include <sys/kernel.h>
     25 #include <sys/malloc.h>
     26 #include <sys/device.h>
     27 
     28 #include <dev/pci/pcidevs.h>
     29 #include <dev/pci/pcivar.h>
     30 
     31 #include <sys/bus.h>
     32 
     33 #include <dev/scsipi/scsipi_all.h>
     34 #include <dev/scsipi/scsipi_disk.h>
     35 #include <dev/scsipi/scsiconf.h>
     36 
     37 #include <dev/ic/mfireg.h>
     38 #include <dev/ic/mfivar.h>
     39 
     40 #define	MFI_BAR		0x10
     41 #define	MFI_BAR_GEN2	0x14
     42 #define	MFI_PCI_MEMSIZE	0x2000 /* 8k */
     43 
     44 struct mfi_pci_softc {
     45 	struct mfi_softc	psc_sc;
     46 	pci_chipset_tag_t	psc_pc;
     47 };
     48 
     49 const struct mfi_pci_device *mfi_pci_find_device(struct pci_attach_args *);
     50 int	mfi_pci_match(device_t, cfdata_t, void *);
     51 void	mfi_pci_attach(device_t, device_t, void *);
     52 int	mfi_pci_detach(device_t, int);
     53 
     54 CFATTACH_DECL3_NEW(mfi_pci, sizeof(struct mfi_pci_softc),
     55     mfi_pci_match, mfi_pci_attach, mfi_pci_detach, NULL, mfi_rescan,
     56     mfi_childdetached, DVF_DETACH_SHUTDOWN);
     57 
     58 struct mfi_pci_subtype {
     59 	pcireg_t 	st_vendor;
     60 	pcireg_t 	st_product;
     61 	const char 	*st_string;
     62 };
     63 
     64 static const struct mfi_pci_subtype mfi_1078_subtypes[] = {
     65 	{ PCI_VENDOR_SYMBIOS, 	0x1006, 	"SAS 8888ELP" },
     66 	{ PCI_VENDOR_SYMBIOS, 	0x100a, 	"SAS 8708ELP" },
     67 	{ PCI_VENDOR_SYMBIOS, 	0x100f, 	"SAS 8708E" },
     68 	{ PCI_VENDOR_SYMBIOS, 	0x1012, 	"SAS 8704ELP" },
     69 	{ PCI_VENDOR_SYMBIOS, 	0x1013, 	"SAS 8708EM2" },
     70 	{ PCI_VENDOR_SYMBIOS, 	0x1016, 	"SAS 8880EM2" },
     71 	{ PCI_VENDOR_DELL, 	0x1f0a, 	"Dell PERC 6/e" },
     72 	{ PCI_VENDOR_DELL, 	0x1f0b, 	"Dell PERC 6/i" },
     73 	{ PCI_VENDOR_DELL, 	0x1f0c, 	"Dell PERC 6/i integrated" },
     74 	{ PCI_VENDOR_DELL, 	0x1f0d, 	"Dell CERC 6/i" },
     75 	{ PCI_VENDOR_DELL, 	0x1f11, 	"Dell CERC 6/i integrated" },
     76 	{ 0, 			0, 		NULL }
     77 };
     78 
     79 static const struct mfi_pci_subtype mfi_perc5_subtypes[] = {
     80 	{ PCI_VENDOR_DELL,	0x1f01, 	"Dell PERC 5/e" },
     81 	{ PCI_VENDOR_DELL, 	0x1f02, 	"Dell PERC 5/i" },
     82 	{ PCI_VENDOR_DELL, 	0x1f03, 	"Dell PERC 5/i integrated" },
     83 	{ 0, 			0, 		NULL }
     84 };
     85 
     86 static const struct mfi_pci_subtype mfi_gen2_subtypes[] = {
     87 	{ PCI_VENDOR_SYMBIOS,	0x9261,		"SAS 9260-8i" },
     88 	{ PCI_VENDOR_SYMBIOS,	0x9263,		"SAS 9261-8i" },
     89 	{ PCI_VENDOR_IBM,	0x03c7,		"IBM ServeRAID M5014 SAS/SATA" },
     90 	{ PCI_VENDOR_DELL,	0x1f15,		"Dell PERC H800 Adapter" },
     91 	{ PCI_VENDOR_DELL,	0x1f16,		"Dell PERC H700 Adapter" },
     92 	{ PCI_VENDOR_DELL,	0x1f17,		"Dell PERC H700 Integrated" },
     93 	{ PCI_VENDOR_DELL,	0x1f18,		"Dell PERC H700 Modular" },
     94 	{ PCI_VENDOR_DELL,	0x1f19,		"Dell PERC H700" },
     95 	{ PCI_VENDOR_DELL,	0x1f1a,		"Dell PERC H800 Proto Adapter" },
     96 	{ PCI_VENDOR_DELL,	0x1f1b,		"Dell PERC H800" },
     97 	{ 0x0,			0,		"" }
     98 };
     99 
    100 static const struct mfi_pci_subtype mfi_skinny_subtypes[] = {
    101 	{ PCI_VENDOR_IBM,	0x03b1,		"IBM ServeRAID M1015 SAS/SATA" },
    102 	{ 0x0,			0,		"" }
    103 };
    104 
    105 static const struct mfi_pci_subtype mfi_tbolt_subtypes[] = {
    106 	{ PCI_VENDOR_SYMBIOS,	0x9265,		"SAS 9265-8i" },
    107 	{ PCI_VENDOR_DELL,	0x1f2d,		"Dell PERC H810 Adapter" },
    108 	{ PCI_VENDOR_DELL,	0x1f30,		"Dell PERC H710 Embedded" },
    109 	{ PCI_VENDOR_DELL,	0x1f31,		"Dell PERC H710P Adapter" },
    110 	{ PCI_VENDOR_DELL,	0x1f33,		"Dell PERC H710P Mini (blades)" },
    111 	{ PCI_VENDOR_DELL,	0x1f34,		"Dell PERC H710P Mini (blades)" },
    112 	{ PCI_VENDOR_DELL,	0x1f35,		"Dell PERC H710 Adapter" },
    113 	{ PCI_VENDOR_DELL,	0x1f37,		"Dell PERC H710 Mini (blades)" },
    114 	{ PCI_VENDOR_DELL,	0x1f38,		"Dell PERC H710 Mini (monolithics)" },
    115 	{ PCI_VENDOR_INTEL,	0x9265,		"Intel (R) RAID Controller RS25DB080" },
    116 	{ PCI_VENDOR_INTEL,	0x9285,		"Intel (R) RAID Controller RS25NB008" },
    117 	{ 0x0,			0,		"" }
    118 };
    119 
    120 static const
    121 struct mfi_pci_device {
    122 	pcireg_t			mpd_vendor;
    123 	pcireg_t			mpd_product;
    124 	enum mfi_iop			mpd_iop;
    125 	const struct mfi_pci_subtype 	*mpd_subtype;
    126 } mfi_pci_devices[] = {
    127 	{ PCI_VENDOR_SYMBIOS, 	PCI_PRODUCT_SYMBIOS_MEGARAID_SAS,
    128 	  MFI_IOP_XSCALE, 	NULL },
    129 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR,
    130 	  MFI_IOP_XSCALE,	NULL },
    131 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1078,
    132 	  MFI_IOP_PPC,		mfi_1078_subtypes },
    133 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1078DE,
    134 	  MFI_IOP_PPC,		mfi_1078_subtypes },
    135 	{ PCI_VENDOR_DELL,	PCI_PRODUCT_DELL_PERC_5,
    136 	  MFI_IOP_XSCALE,	mfi_perc5_subtypes },
    137 	{ PCI_VENDOR_DELL,	PCI_PRODUCT_DELL_PERC_6,
    138 	  MFI_IOP_PPC, 		mfi_1078_subtypes },
    139 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS2108_1,
    140 	  MFI_IOP_GEN2,		mfi_gen2_subtypes },
    141 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS2108_2,
    142 	  MFI_IOP_GEN2,		mfi_gen2_subtypes },
    143 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS2008_1,
    144 	  MFI_IOP_SKINNY,	mfi_skinny_subtypes },
    145 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_2208,
    146 	  MFI_IOP_TBOLT,	mfi_tbolt_subtypes },
    147 };
    148 
    149 const struct mfi_pci_device *
    150 mfi_pci_find_device(struct pci_attach_args *pa)
    151 {
    152 	const struct mfi_pci_device *mpd;
    153 	int i;
    154 
    155 	for (i = 0; i < __arraycount(mfi_pci_devices); i++) {
    156 		mpd = &mfi_pci_devices[i];
    157 
    158 		if (mpd->mpd_vendor == PCI_VENDOR(pa->pa_id) &&
    159 		    mpd->mpd_product == PCI_PRODUCT(pa->pa_id))
    160 			return mpd;
    161 	}
    162 
    163 	return NULL;
    164 }
    165 
    166 int
    167 mfi_pci_match(device_t parent, cfdata_t match, void *aux)
    168 {
    169 	return (mfi_pci_find_device(aux) != NULL) ? 1 : 0;
    170 }
    171 
    172 int
    173 mfi_pci_detach(device_t self, int flags)
    174 {
    175 	struct mfi_pci_softc	*psc = device_private(self);
    176 	struct mfi_softc	*sc = &psc->psc_sc;
    177 	int error;
    178 
    179 	if ((error = mfi_detach(sc, flags)) != 0)
    180 		return error;
    181 
    182 	/* xxx */
    183 	pci_intr_disestablish(psc->psc_pc, sc->sc_ih);
    184 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
    185 	return 0;
    186 }
    187 
    188 void
    189 mfi_pci_attach(device_t parent, device_t self, void *aux)
    190 {
    191 	struct mfi_pci_softc	*psc = device_private(self);
    192 	struct mfi_softc	*sc = &psc->psc_sc;
    193 	struct pci_attach_args	*pa = aux;
    194 	const struct mfi_pci_device *mpd;
    195 	const struct mfi_pci_subtype *st;
    196 	const char		*intrstr;
    197 	pci_intr_handle_t	ih;
    198 	pcireg_t		csr;
    199 	int			regbar;
    200 	const char 		*subtype = NULL;
    201 	uint32_t		subsysid;
    202 
    203 	sc->sc_dev = self;
    204 	psc->psc_pc = pa->pa_pc;
    205 
    206 	mpd = mfi_pci_find_device(pa);
    207 	if (mpd == NULL) {
    208 		printf(": can't find matching pci device\n");
    209 		return;
    210 	}
    211 
    212 	if (mpd->mpd_iop == MFI_IOP_GEN2 || mpd->mpd_iop == MFI_IOP_SKINNY ||
    213 	    mpd->mpd_iop == MFI_IOP_TBOLT)
    214 		regbar = MFI_BAR_GEN2;
    215 	else
    216 		regbar = MFI_BAR;
    217 
    218 	csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, regbar);
    219 	csr |= PCI_MAPREG_MEM_TYPE_32BIT;
    220 	if (pci_mapreg_map(pa, regbar, csr, 0,
    221 	    &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_size)) {
    222 		aprint_error(": can't map controller pci space\n");
    223 		return;
    224 	}
    225 
    226 	sc->sc_dmat = pa->pa_dmat;
    227 	if (mpd->mpd_iop == MFI_IOP_TBOLT && pci_dma64_available(pa)) {
    228 		sc->sc_datadmat = pa->pa_dmat64;
    229 		sc->sc_64bit_dma = 1;
    230 	} else {
    231 		sc->sc_datadmat = pa->pa_dmat;
    232 		sc->sc_64bit_dma = 0;
    233 	}
    234 
    235 	if (pci_intr_map(pa, &ih)) {
    236 		aprint_error(": can't map interrupt\n");
    237 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
    238 		return;
    239 	}
    240 	intrstr = pci_intr_string(pa->pa_pc, ih);
    241 	if (mpd->mpd_iop == MFI_IOP_TBOLT) {
    242 		sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
    243 		    mfi_tbolt_intrh, sc);
    244 	} else {
    245 		sc->sc_ih =
    246 		    pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc);
    247 	}
    248 	if (!sc->sc_ih) {
    249 		aprint_error(": can't establish interrupt");
    250 		if (intrstr)
    251 			aprint_error(" at %s", intrstr);
    252 		aprint_error("\n");
    253 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
    254 		return;
    255 	}
    256 
    257 	subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
    258 	if (mpd->mpd_subtype != NULL) {
    259 		st = mpd->mpd_subtype;
    260 		while (st->st_vendor != 0) {
    261 			if (PCI_VENDOR(subsysid) == st->st_vendor &&
    262 			    PCI_PRODUCT(subsysid) == st->st_product) {
    263 				subtype = st->st_string;
    264 				break;
    265 			}
    266 			st++;
    267 		}
    268 		if (subtype) {
    269 			aprint_normal(": %s\n", subtype);
    270 		} else {
    271 			aprint_normal(": vendor 0x%x product 0x%x\n",
    272 			    PCI_VENDOR(subsysid), PCI_PRODUCT(subsysid));
    273 		}
    274 	}
    275 
    276 	aprint_normal("%s: interrupting at %s\n", DEVNAME(sc), intrstr);
    277 
    278 	if (mfi_attach(sc, mpd->mpd_iop)) {
    279 		aprint_error("%s: can't attach", DEVNAME(sc));
    280 		pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
    281 		sc->sc_ih = NULL;
    282 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
    283 	}
    284 }
    285