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Differential D1892 Diff 4110 sys/x86/iommu/intel_quirks.c

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sys/x86/iommu/intel_quirks.c

/*- /*-
* Copyright (c) 2013 The FreeBSD Foundation * Copyright (c) 2013, 2015 The FreeBSD Foundation
* All rights reserved. * All rights reserved.
* *
* This software was developed by Konstantin Belousov <kib@FreeBSD.org> * This software was developed by Konstantin Belousov <kib@FreeBSD.org>
* under sponsorship from the FreeBSD Foundation. * under sponsorship from the FreeBSD Foundation.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
* are met: * are met:
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#include <sys/malloc.h> #include <sys/malloc.h>
#include <sys/memdesc.h> #include <sys/memdesc.h>
#include <sys/module.h> #include <sys/module.h>
#include <sys/rman.h> #include <sys/rman.h>
#include <sys/rwlock.h> #include <sys/rwlock.h>
#include <sys/smp.h> #include <sys/smp.h>
#include <sys/taskqueue.h> #include <sys/taskqueue.h>
#include <sys/tree.h> #include <sys/tree.h>
#include <sys/vmem.h>
#include <machine/bus.h> #include <machine/bus.h>
#include <contrib/dev/acpica/include/acpi.h> #include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h> #include <contrib/dev/acpica/include/accommon.h>
#include <dev/acpica/acpivar.h> #include <dev/acpica/acpivar.h>
#include <vm/vm.h> #include <vm/vm.h>
#include <vm/vm_extern.h> #include <vm/vm_extern.h>
#include <vm/vm_kern.h> #include <vm/vm_kern.h>
#include <vm/vm_object.h> #include <vm/vm_object.h>
#include <vm/vm_page.h> #include <vm/vm_page.h>
#include <vm/vm_pager.h> #include <vm/vm_pager.h>
#include <vm/vm_map.h> #include <vm/vm_map.h>
#include <x86/include/busdma_impl.h> #include <x86/include/busdma_impl.h>
#include <x86/iommu/intel_reg.h> #include <x86/iommu/intel_reg.h>
#include <x86/iommu/busdma_dmar.h> #include <x86/iommu/busdma_dmar.h>
#include <x86/iommu/intel_dmar.h> #include <x86/iommu/intel_dmar.h>
#include <dev/pci/pcivar.h> #include <dev/pci/pcivar.h>
typedef void (*dmar_quirk_fun)(struct dmar_unit *); typedef void (*dmar_quirk_cpu_fun)(struct dmar_unit *);
struct intel_dmar_quirk_cpu { struct intel_dmar_quirk_cpu {
u_int ext_family; u_int ext_family;
u_int ext_model; u_int ext_model;
u_int family_code; u_int family_code;
u_int model; u_int model;
u_int stepping; u_int stepping;
dmar_quirk_fun quirk; dmar_quirk_cpu_fun quirk;
const char *descr; const char *descr;
}; };
typedef void (*dmar_quirk_nb_fun)(struct dmar_unit *, device_t nb);
struct intel_dmar_quirk_nb { struct intel_dmar_quirk_nb {
u_int dev_id; u_int dev_id;
u_int rev_no; u_int rev_no;
dmar_quirk_fun quirk; dmar_quirk_nb_fun quirk;
const char *descr; const char *descr;
}; };
#define QUIRK_NB_ALL_REV 0xffffffff
static void static void
dmar_match_quirks(struct dmar_unit *dmar, dmar_match_quirks(struct dmar_unit *dmar,
const struct intel_dmar_quirk_nb *nb_quirks, int nb_quirks_len, const struct intel_dmar_quirk_nb *nb_quirks, int nb_quirks_len,
const struct intel_dmar_quirk_cpu *cpu_quirks, int cpu_quirks_len) const struct intel_dmar_quirk_cpu *cpu_quirks, int cpu_quirks_len)
{ {
device_t nb; device_t nb;
const struct intel_dmar_quirk_nb *nb_quirk; const struct intel_dmar_quirk_nb *nb_quirk;
const struct intel_dmar_quirk_cpu *cpu_quirk; const struct intel_dmar_quirk_cpu *cpu_quirk;
u_int p[4]; u_int p[4];
u_int dev_id, rev_no; u_int dev_id, rev_no;
u_int ext_family, ext_model, family_code, model, stepping; u_int ext_family, ext_model, family_code, model, stepping;
int i; int i;
if (nb_quirks != NULL) { if (nb_quirks != NULL) {
nb = pci_find_bsf(0, 0, 0); nb = pci_find_bsf(0, 0, 0);
if (nb != NULL) { if (nb != NULL) {
dev_id = pci_get_device(nb); dev_id = pci_get_device(nb);
rev_no = pci_get_revid(nb); rev_no = pci_get_revid(nb);
for (i = 0; i < nb_quirks_len; i++) { for (i = 0; i < nb_quirks_len; i++) {
nb_quirk = &nb_quirks[i]; nb_quirk = &nb_quirks[i];
if (nb_quirk->dev_id == dev_id && if (nb_quirk->dev_id == dev_id &&
nb_quirk->rev_no == rev_no) { (nb_quirk->rev_no == rev_no ||
nb_quirk->rev_no == QUIRK_NB_ALL_REV)) {
if (bootverbose) { if (bootverbose) {
device_printf(dmar->dev, device_printf(dmar->dev,
"NB IOMMU quirk %s\n", "NB IOMMU quirk %s\n",
nb_quirk->descr); nb_quirk->descr);
} }
nb_quirk->quirk(dmar); nb_quirk->quirk(dmar, nb);
} }
} }
} else { } else {
device_printf(dmar->dev, "cannot find northbridge\n"); device_printf(dmar->dev, "cannot find northbridge\n");
} }
} }
if (cpu_quirks != NULL) { if (cpu_quirks != NULL) {
do_cpuid(1, p); do_cpuid(1, p);
Show All 17 Lines for (i = 0; i < cpu_quirks_len; i++) {
} }
cpu_quirk->quirk(dmar); cpu_quirk->quirk(dmar);
} }
} }
} }
} }
static void static void
nb_5400_no_low_high_prot_mem(struct dmar_unit *unit) nb_5400_no_low_high_prot_mem(struct dmar_unit *unit, device_t nb __unused)
{ {
unit->hw_cap &= ~(DMAR_CAP_PHMR | DMAR_CAP_PLMR); unit->hw_cap &= ~(DMAR_CAP_PHMR | DMAR_CAP_PLMR);
} }
static void
nb_no_ir(struct dmar_unit *unit, device_t nb __unused)
{
unit->hw_ecap &= ~(DMAR_ECAP_IR | DMAR_ECAP_EIM);
}
static void
nb_5500_no_ir_rev13(struct dmar_unit *unit, device_t nb)
{
u_int rev_no;
rev_no = pci_get_revid(nb);
if (rev_no <= 0x13)
nb_no_ir(unit, nb);
}
static const struct intel_dmar_quirk_nb pre_use_nb[] = { static const struct intel_dmar_quirk_nb pre_use_nb[] = {
{ {
.dev_id = 0x4001, .rev_no = 0x20, .dev_id = 0x4001, .rev_no = 0x20,
.quirk = nb_5400_no_low_high_prot_mem, .quirk = nb_5400_no_low_high_prot_mem,
.descr = "5400 E23" /* no low/high protected memory */ .descr = "5400 E23" /* no low/high protected memory */
}, },
{ {
.dev_id = 0x4003, .rev_no = 0x20, .dev_id = 0x4003, .rev_no = 0x20,
.quirk = nb_5400_no_low_high_prot_mem, .quirk = nb_5400_no_low_high_prot_mem,
.descr = "5400 E23" /* no low/high protected memory */ .descr = "5400 E23" /* no low/high protected memory */
},
{
.dev_id = 0x3403, .rev_no = QUIRK_NB_ALL_REV,
.quirk = nb_5500_no_ir_rev13,
.descr = "5500 E47, E53" /* interrupt remapping does not work */
},
{
.dev_id = 0x3405, .rev_no = QUIRK_NB_ALL_REV,
.quirk = nb_5500_no_ir_rev13,
.descr = "5500 E47, E53" /* interrupt remapping does not work */
},
{
.dev_id = 0x3405, .rev_no = 0x22,
.quirk = nb_no_ir,
.descr = "5500 E47, E53" /* interrupt remapping does not work */
},
{
.dev_id = 0x3406, .rev_no = QUIRK_NB_ALL_REV,
.quirk = nb_5500_no_ir_rev13,
.descr = "5500 E47, E53" /* interrupt remapping does not work */
}, },
}; };
static void static void
cpu_e5_am9(struct dmar_unit *unit) cpu_e5_am9(struct dmar_unit *unit)
{ {
unit->hw_cap &= ~(0x3fULL << 48); unit->hw_cap &= ~(0x3fULL << 48);
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