diff options
Diffstat (limited to 'include/linux/intel-svm.h')
| -rw-r--r-- | include/linux/intel-svm.h | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/include/linux/intel-svm.h b/include/linux/intel-svm.h index 39d368a810b8..10fa80eef13a 100644 --- a/include/linux/intel-svm.h +++ b/include/linux/intel-svm.h @@ -8,13 +8,6 @@ #ifndef __INTEL_SVM_H__ #define __INTEL_SVM_H__ -struct device; - -struct svm_dev_ops { - void (*fault_cb)(struct device *dev, u32 pasid, u64 address, - void *private, int rwxp, int response); -}; - /* Values for rxwp in fault_cb callback */ #define SVM_REQ_READ (1<<3) #define SVM_REQ_WRITE (1<<2) @@ -22,16 +15,6 @@ struct svm_dev_ops { #define SVM_REQ_PRIV (1<<0) /* - * The SVM_FLAG_PRIVATE_PASID flag requests a PASID which is *not* the "main" - * PASID for the current process. Even if a PASID already exists, a new one - * will be allocated. And the PASID allocated with SVM_FLAG_PRIVATE_PASID - * will not be given to subsequent callers. This facility allows a driver to - * disambiguate between multiple device contexts which access the same MM, - * if there is no other way to do so. It should be used sparingly, if at all. - */ -#define SVM_FLAG_PRIVATE_PASID (1<<0) - -/* * The SVM_FLAG_SUPERVISOR_MODE flag requests a PASID which can be used only * for access to kernel addresses. No IOTLB flushes are automatically done * for kernel mappings; it is valid only for access to the kernel's static @@ -42,18 +25,18 @@ struct svm_dev_ops { * It is unlikely that we will ever hook into flush_tlb_kernel_range() to * do such IOTLB flushes automatically. */ -#define SVM_FLAG_SUPERVISOR_MODE (1<<1) +#define SVM_FLAG_SUPERVISOR_MODE BIT(0) /* * The SVM_FLAG_GUEST_MODE flag is used when a PASID bind is for guest * processes. Compared to the host bind, the primary differences are: * 1. mm life cycle management * 2. fault reporting */ -#define SVM_FLAG_GUEST_MODE (1<<2) +#define SVM_FLAG_GUEST_MODE BIT(1) /* * The SVM_FLAG_GUEST_PASID flag is used when a guest has its own PASID space, * which requires guest and host PASID translation at both directions. */ -#define SVM_FLAG_GUEST_PASID (1<<3) +#define SVM_FLAG_GUEST_PASID BIT(2) #endif /* __INTEL_SVM_H__ */ |