Page MenuHomeFreeBSD
Differential D25743 Diff 74794 sys/x86/iommu/intel_drv.c

Changeset View

Standalone View

View Options

sys/x86/iommu/intel_drv.c

Show First 20 Lines • Show All 170 Lines • ▼ Show 20 Linesdmar_identify(driver_t *driver, device_t parent)
int i, error; int i, error;
if (acpi_disabled("dmar")) if (acpi_disabled("dmar"))
return; return;
TUNABLE_INT_FETCH("hw.dmar.enable", &dmar_enable); TUNABLE_INT_FETCH("hw.dmar.enable", &dmar_enable);
if (!dmar_enable) if (!dmar_enable)
return; return;
#ifdef INVARIANTS #ifdef INVARIANTS
TUNABLE_INT_FETCH("hw.dmar.check_free", &dmar_check_free); TUNABLE_INT_FETCH("hw.iommu.check_free", &iommu_check_free);
#endif #endif
status = AcpiGetTable(ACPI_SIG_DMAR, 1, (ACPI_TABLE_HEADER **)&dmartbl); status = AcpiGetTable(ACPI_SIG_DMAR, 1, (ACPI_TABLE_HEADER **)&dmartbl);
if (ACPI_FAILURE(status)) if (ACPI_FAILURE(status))
return; return;
haw = dmartbl->Width + 1; haw = dmartbl->Width + 1;
if ((1ULL << (haw + 1)) > BUS_SPACE_MAXADDR) if ((1ULL << (haw + 1)) > BUS_SPACE_MAXADDR)
dmar_high = BUS_SPACE_MAXADDR; dmar_high = BUS_SPACE_MAXADDR;
else else
▲ Show 20 Lines • Show All 752 Lines • ▼ Show 20 Linesdmar_rmrr_iter(ACPI_DMAR_HEADER *dmarh, void *arg)
for (;;) { for (;;) {
if (ptr >= ptrend) if (ptr >= ptrend)
break; break;
devscope = (ACPI_DMAR_DEVICE_SCOPE *)ptr; devscope = (ACPI_DMAR_DEVICE_SCOPE *)ptr;
ptr += devscope->Length; ptr += devscope->Length;
match = dmar_match_devscope(devscope, ria->dev_busno, match = dmar_match_devscope(devscope, ria->dev_busno,
ria->dev_path, ria->dev_path_len); ria->dev_path, ria->dev_path_len);
if (match == 1) { if (match == 1) {
entry = dmar_gas_alloc_entry(ria->domain, entry = iommu_gas_alloc_entry(
(struct iommu_domain *)ria->domain,
DMAR_PGF_WAITOK); DMAR_PGF_WAITOK);
entry->start = resmem->BaseAddress; entry->start = resmem->BaseAddress;
/* The RMRR entry end address is inclusive. */ /* The RMRR entry end address is inclusive. */
entry->end = resmem->EndAddress; entry->end = resmem->EndAddress;
TAILQ_INSERT_TAIL(ria->rmrr_entries, entry, TAILQ_INSERT_TAIL(ria->rmrr_entries, entry,
unroll_link); unroll_link);
} }
} }
▲ Show 20 Lines • Show All 190 Lines • ▼ Show 20 Lines db_printf(
pci_get_slot(ctx->context.tag->owner), pci_get_slot(ctx->context.tag->owner),
pci_get_function(ctx->context.tag->owner), ctx->refs, pci_get_function(ctx->context.tag->owner), ctx->refs,
ctx->context.flags, ctx->context.loads, ctx->context.unloads); ctx->context.flags, ctx->context.loads, ctx->context.unloads);
} }
static void static void
dmar_print_domain(struct dmar_domain *domain, bool show_mappings) dmar_print_domain(struct dmar_domain *domain, bool show_mappings)
{ {
struct iommu_domain *iodom;
struct iommu_map_entry *entry; struct iommu_map_entry *entry;
struct dmar_ctx *ctx; struct dmar_ctx *ctx;
iodom = (struct iommu_domain *)domain;
db_printf( db_printf(
" @%p dom %d mgaw %d agaw %d pglvl %d end %jx refs %d\n" " @%p dom %d mgaw %d agaw %d pglvl %d end %jx refs %d\n"
" ctx_cnt %d flags %x pgobj %p map_ents %u\n", " ctx_cnt %d flags %x pgobj %p map_ents %u\n",
domain, domain->domain, domain->mgaw, domain->agaw, domain->pglvl, domain, domain->domain, domain->mgaw, domain->agaw, domain->pglvl,
(uintmax_t)domain->end, domain->refs, domain->ctx_cnt, (uintmax_t)domain->iodom.end, domain->refs, domain->ctx_cnt,
domain->flags, domain->pgtbl_obj, domain->iodom.entries_cnt); domain->iodom.flags, domain->pgtbl_obj, domain->iodom.entries_cnt);
if (!LIST_EMPTY(&domain->contexts)) { if (!LIST_EMPTY(&domain->contexts)) {
db_printf(" Contexts:\n"); db_printf(" Contexts:\n");
LIST_FOREACH(ctx, &domain->contexts, link) LIST_FOREACH(ctx, &domain->contexts, link)
dmar_print_ctx(ctx); dmar_print_ctx(ctx);
} }
if (!show_mappings) if (!show_mappings)
return; return;
db_printf(" mapped:\n"); db_printf(" mapped:\n");
RB_FOREACH(entry, dmar_gas_entries_tree, &domain->rb_root) { RB_FOREACH(entry, iommu_gas_entries_tree, &iodom->rb_root) {
dmar_print_domain_entry(entry); dmar_print_domain_entry(entry);
if (db_pager_quit) if (db_pager_quit)
break; break;
} }
if (db_pager_quit) if (db_pager_quit)
return; return;
db_printf(" unloading:\n"); db_printf(" unloading:\n");
TAILQ_FOREACH(entry, &domain->iodom.unload_entries, dmamap_link) { TAILQ_FOREACH(entry, &domain->iodom.unload_entries, dmamap_link) {
▲ Show 20 Lines • Show All 182 Lines • Show Last 20 Lines