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drm/amdgpu: save vm fault information for amdkfd

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amdgpu save the vm fault related information for KFD usage and keep the
copy until KFD read it.

Signed-off-by: shaoyun liu <shaoyun.liu@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
shaoyunl
2018-07-11 22:32:49 -04:00
committed by Oded Gabbay
parent 101fee63cb
commit b97dfa27ef
8 changed files with 105 additions and 2 deletions
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20
drivers/gpu/drm/amd/include/kgd_kfd_interface.h
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@@ -47,6 +47,17 @@ enum kfd_preempt_type {
KFD_PREEMPT_TYPE_WAVEFRONT_RESET,
};
struct kfd_vm_fault_info {
uint64_t page_addr;
uint32_t vmid;
uint32_t mc_id;
uint32_t status;
bool prot_valid;
bool prot_read;
bool prot_write;
bool prot_exec;
};
struct kfd_cu_info {
uint32_t num_shader_engines;
uint32_t num_shader_arrays_per_engine;
@@ -259,6 +270,12 @@ struct tile_config {
* IB to the corresponding ring (ring type). The IB is executed with the
* specified VMID in a user mode context.
*
* @get_vm_fault_info: Return information about a recent VM fault on
* GFXv7 and v8. If multiple VM faults occurred since the last call of
* this function, it will return information about the first of those
* faults. On GFXv9 VM fault information is fully contained in the IH
* packet and this function is not needed.
*
* This structure contains function pointers to services that the kgd driver
* provides to amdkfd driver.
*
@@ -374,6 +391,9 @@ struct kfd2kgd_calls {
int (*submit_ib)(struct kgd_dev *kgd, enum kgd_engine_type engine,
uint32_t vmid, uint64_t gpu_addr,
uint32_t *ib_cmd, uint32_t ib_len);
int (*get_vm_fault_info)(struct kgd_dev *kgd,
struct kfd_vm_fault_info *info);
};
/**