diff options
Diffstat (limited to 'drivers/iommu/amd/amd_iommu_types.h')
| -rw-r--r-- | drivers/iommu/amd/amd_iommu_types.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h index d1fed5fc219b..2b76b5dedc1d 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -8,7 +8,9 @@ #ifndef _ASM_X86_AMD_IOMMU_TYPES_H #define _ASM_X86_AMD_IOMMU_TYPES_H +#include <linux/iommu.h> #include <linux/types.h> +#include <linux/mmu_notifier.h> #include <linux/mutex.h> #include <linux/msi.h> #include <linux/list.h> @@ -251,6 +253,14 @@ #define PPR_ENTRY_SIZE 16 #define PPR_LOG_SIZE (PPR_ENTRY_SIZE * PPR_LOG_ENTRIES) +/* PAGE_SERVICE_REQUEST PPR Log Buffer Entry flags */ +#define PPR_FLAG_EXEC 0x002 /* Execute permission requested */ +#define PPR_FLAG_READ 0x004 /* Read permission requested */ +#define PPR_FLAG_WRITE 0x020 /* Write permission requested */ +#define PPR_FLAG_US 0x040 /* 1: User, 0: Supervisor */ +#define PPR_FLAG_RVSD 0x080 /* Reserved bit not zero */ +#define PPR_FLAG_GN 0x100 /* GVA and PASID is valid */ + #define PPR_REQ_TYPE(x) (((x) >> 60) & 0xfULL) #define PPR_FLAGS(x) (((x) >> 48) & 0xfffULL) #define PPR_DEVID(x) ((x) & 0xffffULL) @@ -503,6 +513,11 @@ extern struct kmem_cache *amd_iommu_irq_cache; list_for_each_entry((iommu), &amd_iommu_list, list) #define for_each_iommu_safe(iommu, next) \ list_for_each_entry_safe((iommu), (next), &amd_iommu_list, list) +/* Making iterating over protection_domain->dev_data_list easier */ +#define for_each_pdom_dev_data(pdom_dev_data, pdom) \ + list_for_each_entry(pdom_dev_data, &pdom->dev_data_list, list) +#define for_each_pdom_dev_data_safe(pdom_dev_data, next, pdom) \ + list_for_each_entry_safe((pdom_dev_data), (next), &pdom->dev_data_list, list) struct amd_iommu; struct iommu_domain; @@ -544,6 +559,16 @@ enum protection_domain_mode { PD_MODE_V2, }; +/* Track dev_data/PASID list for the protection domain */ +struct pdom_dev_data { + /* Points to attached device data */ + struct iommu_dev_data *dev_data; + /* PASID attached to the protection domain */ + ioasid_t pasid; + /* For protection_domain->dev_data_list */ + struct list_head list; +}; + /* * This structure contains generic data for IOMMU protection domains * independent of their use. @@ -560,6 +585,9 @@ struct protection_domain { bool dirty_tracking; /* dirty tracking is enabled in the domain */ unsigned dev_cnt; /* devices assigned to this domain */ unsigned dev_iommu[MAX_IOMMUS]; /* per-IOMMU reference count */ + + struct mmu_notifier mn; /* mmu notifier for the SVA domain */ + struct list_head dev_data_list; /* List of pdom_dev_data */ }; /* @@ -762,6 +790,10 @@ struct amd_iommu { /* DebugFS Info */ struct dentry *debugfs; #endif + + /* IOPF support */ + struct iopf_queue *iopf_queue; + unsigned char iopfq_name[32]; }; static inline struct amd_iommu *dev_to_amd_iommu(struct device *dev) @@ -813,6 +845,7 @@ struct iommu_dev_data { struct device *dev; u16 devid; /* PCI Device ID */ + u32 max_pasids; /* Max supported PASIDs */ u32 flags; /* Holds AMD_IOMMU_DEVICE_FLAG_<*> */ int ats_qdep; u8 ats_enabled :1; /* ATS state */ |