diff options
Diffstat (limited to 'drivers/iommu/dmar.c')
| -rw-r--r-- | drivers/iommu/dmar.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 9a4f05e5b23f..60ab474bfff3 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -38,6 +38,7 @@ #include <linux/tboot.h> #include <linux/dmi.h> #include <linux/slab.h> +#include <linux/iommu.h> #include <asm/irq_remapping.h> #include <asm/iommu_table.h> @@ -84,7 +85,7 @@ void *dmar_alloc_dev_scope(void *start, void *end, int *cnt) *cnt = 0; while (start < end) { scope = start; - if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ACPI || + if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_NAMESPACE || scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ENDPOINT || scope->entry_type == ACPI_DMAR_SCOPE_TYPE_BRIDGE) (*cnt)++; @@ -380,7 +381,7 @@ static int __init dmar_parse_one_andd(struct acpi_dmar_header *header) struct acpi_dmar_andd *andd = (void *)header; /* Check for NUL termination within the designated length */ - if (strnlen(andd->object_name, header->length - 8) == header->length - 8) { + if (strnlen(andd->device_name, header->length - 8) == header->length - 8) { WARN_TAINT(1, TAINT_FIRMWARE_WORKAROUND, "Your BIOS is broken; ANDD object name is not NUL-terminated\n" "BIOS vendor: %s; Ver: %s; Product Version: %s\n", @@ -390,7 +391,7 @@ static int __init dmar_parse_one_andd(struct acpi_dmar_header *header) return -EINVAL; } pr_info("ANDD device: %x name: %s\n", andd->device_number, - andd->object_name); + andd->device_name); return 0; } @@ -448,17 +449,17 @@ dmar_table_print_dmar_entry(struct acpi_dmar_header *header) (unsigned long long)rmrr->base_address, (unsigned long long)rmrr->end_address); break; - case ACPI_DMAR_TYPE_ATSR: + case ACPI_DMAR_TYPE_ROOT_ATS: atsr = container_of(header, struct acpi_dmar_atsr, header); pr_info("ATSR flags: %#x\n", atsr->flags); break; - case ACPI_DMAR_HARDWARE_AFFINITY: + case ACPI_DMAR_TYPE_HARDWARE_AFFINITY: rhsa = container_of(header, struct acpi_dmar_rhsa, header); pr_info("RHSA base: %#016Lx proximity domain: %#x\n", (unsigned long long)rhsa->base_address, rhsa->proximity_domain); break; - case ACPI_DMAR_TYPE_ANDD: + case ACPI_DMAR_TYPE_NAMESPACE: /* We don't print this here because we need to sanity-check it first. So print it in dmar_parse_one_andd() instead. */ break; @@ -539,15 +540,15 @@ parse_dmar_table(void) case ACPI_DMAR_TYPE_RESERVED_MEMORY: ret = dmar_parse_one_rmrr(entry_header); break; - case ACPI_DMAR_TYPE_ATSR: + case ACPI_DMAR_TYPE_ROOT_ATS: ret = dmar_parse_one_atsr(entry_header); break; - case ACPI_DMAR_HARDWARE_AFFINITY: + case ACPI_DMAR_TYPE_HARDWARE_AFFINITY: #ifdef CONFIG_ACPI_NUMA ret = dmar_parse_one_rhsa(entry_header); #endif break; - case ACPI_DMAR_TYPE_ANDD: + case ACPI_DMAR_TYPE_NAMESPACE: ret = dmar_parse_one_andd(entry_header); break; default: @@ -631,7 +632,7 @@ static void __init dmar_acpi_insert_dev_scope(u8 device_number, for (scope = (void *)(drhd + 1); (unsigned long)scope < ((unsigned long)drhd) + drhd->header.length; scope = ((void *)scope) + scope->length) { - if (scope->entry_type != ACPI_DMAR_SCOPE_TYPE_ACPI) + if (scope->entry_type != ACPI_DMAR_SCOPE_TYPE_NAMESPACE) continue; if (scope->enumeration_id != device_number) continue; @@ -666,21 +667,21 @@ static int __init dmar_acpi_dev_scope_init(void) for (andd = (void *)dmar_tbl + sizeof(struct acpi_table_dmar); ((unsigned long)andd) < ((unsigned long)dmar_tbl) + dmar_tbl->length; andd = ((void *)andd) + andd->header.length) { - if (andd->header.type == ACPI_DMAR_TYPE_ANDD) { + if (andd->header.type == ACPI_DMAR_TYPE_NAMESPACE) { acpi_handle h; struct acpi_device *adev; if (!ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, - andd->object_name, + andd->device_name, &h))) { pr_err("Failed to find handle for ACPI object %s\n", - andd->object_name); + andd->device_name); continue; } acpi_bus_get_device(h, &adev); if (!adev) { pr_err("Failed to get device for ACPI object %s\n", - andd->object_name); + andd->device_name); continue; } dmar_acpi_insert_dev_scope(andd->device_number, adev); @@ -980,6 +981,12 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) raw_spin_lock_init(&iommu->register_lock); drhd->iommu = iommu; + + if (intel_iommu_enabled) + iommu->iommu_dev = iommu_device_create(NULL, iommu, + intel_iommu_groups, + iommu->name); + return 0; err_unmap: @@ -991,6 +998,8 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) static void free_iommu(struct intel_iommu *iommu) { + iommu_device_destroy(iommu->iommu_dev); + if (iommu->irq) { free_irq(iommu->irq, iommu); irq_set_handler_data(iommu->irq, NULL); @@ -1339,9 +1348,6 @@ int dmar_enable_qi(struct intel_iommu *iommu) return -ENOMEM; } - qi->free_head = qi->free_tail = 0; - qi->free_cnt = QI_LENGTH; - raw_spin_lock_init(&qi->q_lock); __dmar_enable_qi(iommu); |