[PATCH libdrm 4/4] amdgpu: add amdgpu_cs_fence_to_handle

["Marek Olšák" <maraeo-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

From: Marek Olšák <marek.olsak@amd.com>

v2: update amdgpu-symbol-check
---
 amdgpu/amdgpu-symbol-check |  1 +
 amdgpu/amdgpu.h            | 14 ++++++++++++++
 amdgpu/amdgpu_cs.c         | 22 ++++++++++++++++++++++
 include/drm/amdgpu_drm.h   | 21 +++++++++++++++++++++
 4 files changed, 58 insertions(+)

diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check
index 7ecfc98..d9f89ef 100755
--- a/amdgpu/amdgpu-symbol-check
+++ b/amdgpu/amdgpu-symbol-check
@@ -27,20 +27,21 @@ amdgpu_bo_wait_for_idle
 amdgpu_create_bo_from_user_mem
 amdgpu_cs_chunk_fence_info_to_data
 amdgpu_cs_chunk_fence_to_dep
 amdgpu_cs_create_semaphore
 amdgpu_cs_create_syncobj
 amdgpu_cs_ctx_create
 amdgpu_cs_ctx_free
 amdgpu_cs_destroy_semaphore
 amdgpu_cs_destroy_syncobj
 amdgpu_cs_export_syncobj
+amdgpu_cs_fence_to_handle
 amdgpu_cs_import_syncobj
 amdgpu_cs_query_fence_status
 amdgpu_cs_query_reset_state
 amdgpu_cs_signal_semaphore
 amdgpu_cs_submit
 amdgpu_cs_submit_raw
 amdgpu_cs_syncobj_export_sync_file
 amdgpu_cs_syncobj_import_sync_file
 amdgpu_cs_syncobj_wait
 amdgpu_cs_wait_fences
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 979acfc..23cde10 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1426,20 +1426,34 @@ int amdgpu_cs_syncobj_export_sync_file(amdgpu_device_handle dev,
  *
  * \return   0 on success\n
  *          <0 - Negative POSIX Error code
  *
  */
 int amdgpu_cs_syncobj_import_sync_file(amdgpu_device_handle dev,
 				       uint32_t syncobj,
 				       int sync_file_fd);
 
 /**
+ * Export an amdgpu fence as a handle (syncobj or fd).
+ *
+ * \param what		AMDGPU_FENCE_TO_HANDLE_GET_{SYNCOBJ, FD}
+ * \param out_handle	returned handle
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ */
+int amdgpu_cs_fence_to_handle(amdgpu_device_handle dev,
+			      struct amdgpu_cs_fence *fence,
+			      uint32_t what,
+			      uint32_t *out_handle);
+
+/**
  *  Submit raw command submission to kernel
  *
  * \param   dev	       - \c [in] device handle
  * \param   context    - \c [in] context handle for context id
  * \param   bo_list_handle - \c [in] request bo list handle (0 for none)
  * \param   num_chunks - \c [in] number of CS chunks to submit
  * \param   chunks     - \c [in] array of CS chunks
  * \param   seq_no     - \c [out] output sequence number for submission.
  *
  * \return   0 on success\n
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index 2cde7bf..9577d5c 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -706,10 +706,32 @@ void amdgpu_cs_chunk_fence_info_to_data(struct amdgpu_cs_fence_info *fence_info,
 
 void amdgpu_cs_chunk_fence_to_dep(struct amdgpu_cs_fence *fence,
 				  struct drm_amdgpu_cs_chunk_dep *dep)
 {
 	dep->ip_type = fence->ip_type;
 	dep->ip_instance = fence->ip_instance;
 	dep->ring = fence->ring;
 	dep->ctx_id = fence->context->id;
 	dep->handle = fence->fence;
 }
+
+int amdgpu_cs_fence_to_handle(amdgpu_device_handle dev,
+			      struct amdgpu_cs_fence *fence,
+			      uint32_t what,
+			      uint32_t *out_handle)
+{
+	union drm_amdgpu_fence_to_handle fth = {0};
+	int r;
+
+	fth.in.fence.ctx_id = fence->context->id;
+	fth.in.fence.ip_type = fence->ip_type;
+	fth.in.fence.ip_instance = fence->ip_instance;
+	fth.in.fence.ring = fence->ring;
+	fth.in.fence.seq_no = fence->fence;
+	fth.in.what = what;
+
+	r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_FENCE_TO_HANDLE,
+				&fth, sizeof(fth));
+	if (r == 0)
+		*out_handle = fth.out.handle;
+	return r;
+}
diff --git a/include/drm/amdgpu_drm.h b/include/drm/amdgpu_drm.h
index d9aa4a3..00f1b81 100644
--- a/include/drm/amdgpu_drm.h
+++ b/include/drm/amdgpu_drm.h
@@ -45,55 +45,59 @@ extern "C" {
 #define DRM_AMDGPU_CS			0x04
 #define DRM_AMDGPU_INFO			0x05
 #define DRM_AMDGPU_GEM_METADATA		0x06
 #define DRM_AMDGPU_GEM_WAIT_IDLE	0x07
 #define DRM_AMDGPU_GEM_VA		0x08
 #define DRM_AMDGPU_WAIT_CS		0x09
 #define DRM_AMDGPU_GEM_OP		0x10
 #define DRM_AMDGPU_GEM_USERPTR		0x11
 #define DRM_AMDGPU_WAIT_FENCES		0x12
 #define DRM_AMDGPU_VM			0x13
+#define DRM_AMDGPU_FENCE_TO_HANDLE	0x15
 
 #define DRM_IOCTL_AMDGPU_GEM_CREATE	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_CREATE, union drm_amdgpu_gem_create)
 #define DRM_IOCTL_AMDGPU_GEM_MMAP	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_MMAP, union drm_amdgpu_gem_mmap)
 #define DRM_IOCTL_AMDGPU_CTX		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CTX, union drm_amdgpu_ctx)
 #define DRM_IOCTL_AMDGPU_BO_LIST	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_BO_LIST, union drm_amdgpu_bo_list)
 #define DRM_IOCTL_AMDGPU_CS		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_CS, union drm_amdgpu_cs)
 #define DRM_IOCTL_AMDGPU_INFO		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_INFO, struct drm_amdgpu_info)
 #define DRM_IOCTL_AMDGPU_GEM_METADATA	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_METADATA, struct drm_amdgpu_gem_metadata)
 #define DRM_IOCTL_AMDGPU_GEM_WAIT_IDLE	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_WAIT_IDLE, union drm_amdgpu_gem_wait_idle)
 #define DRM_IOCTL_AMDGPU_GEM_VA		DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_VA, struct drm_amdgpu_gem_va)
 #define DRM_IOCTL_AMDGPU_WAIT_CS	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_CS, union drm_amdgpu_wait_cs)
 #define DRM_IOCTL_AMDGPU_GEM_OP		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_OP, struct drm_amdgpu_gem_op)
 #define DRM_IOCTL_AMDGPU_GEM_USERPTR	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_USERPTR, struct drm_amdgpu_gem_userptr)
 #define DRM_IOCTL_AMDGPU_WAIT_FENCES	DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_WAIT_FENCES, union drm_amdgpu_wait_fences)
 #define DRM_IOCTL_AMDGPU_VM		DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_VM, union drm_amdgpu_vm)
+#define DRM_IOCTL_AMDGPU_FENCE_TO_HANDLE DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_FENCE_TO_HANDLE, union drm_amdgpu_fence_to_handle)
 
 #define AMDGPU_GEM_DOMAIN_CPU		0x1
 #define AMDGPU_GEM_DOMAIN_GTT		0x2
 #define AMDGPU_GEM_DOMAIN_VRAM		0x4
 #define AMDGPU_GEM_DOMAIN_GDS		0x8
 #define AMDGPU_GEM_DOMAIN_GWS		0x10
 #define AMDGPU_GEM_DOMAIN_OA		0x20
 
 /* Flag that CPU access will be required for the case of VRAM domain */
 #define AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED	(1 << 0)
 /* Flag that CPU access will not work, this VRAM domain is invisible */
 #define AMDGPU_GEM_CREATE_NO_CPU_ACCESS		(1 << 1)
 /* Flag that USWC attributes should be used for GTT */
 #define AMDGPU_GEM_CREATE_CPU_GTT_USWC		(1 << 2)
 /* Flag that the memory should be in VRAM and cleared */
 #define AMDGPU_GEM_CREATE_VRAM_CLEARED		(1 << 3)
 /* Flag that create shadow bo(GTT) while allocating vram bo */
 #define AMDGPU_GEM_CREATE_SHADOW		(1 << 4)
 /* Flag that allocating the BO should use linear VRAM */
 #define AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS	(1 << 5)
+/* Flag that BO is always valid in this VM */
+#define AMDGPU_GEM_CREATE_VM_ALWAYS_VALID	(1 << 6)
 
 struct drm_amdgpu_gem_create_in  {
 	/** the requested memory size */
 	__u64 bo_size;
 	/** physical start_addr alignment in bytes for some HW requirements */
 	__u64 alignment;
 	/** the requested memory domains */
 	__u64 domains;
 	/** allocation flags */
 	__u64 domain_flags;
@@ -506,20 +510,34 @@ struct drm_amdgpu_cs_chunk_dep {
 
 struct drm_amdgpu_cs_chunk_fence {
 	__u32 handle;
 	__u32 offset;
 };
 
 struct drm_amdgpu_cs_chunk_sem {
 	__u32 handle;
 };
 
+#define AMDGPU_FENCE_TO_HANDLE_GET_SYNCOBJ	0
+#define AMDGPU_FENCE_TO_HANDLE_GET_SYNCOBJ_FD	1
+#define AMDGPU_FENCE_TO_HANDLE_GET_SYNC_FILE_FD	2
+
+union drm_amdgpu_fence_to_handle {
+	struct {
+		struct drm_amdgpu_fence fence;
+		__u32 what;
+	} in;
+	struct {
+		__u32 handle;
+	} out;
+};
+
 struct drm_amdgpu_cs_chunk_data {
 	union {
 		struct drm_amdgpu_cs_chunk_ib		ib_data;
 		struct drm_amdgpu_cs_chunk_fence	fence_data;
 	};
 };
 
 /**
  *  Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
  *
@@ -757,20 +775,21 @@ struct drm_amdgpu_info_device {
 	__u32 pci_rev;
 	__u32 family;
 	__u32 num_shader_engines;
 	__u32 num_shader_arrays_per_engine;
 	/* in KHz */
 	__u32 gpu_counter_freq;
 	__u64 max_engine_clock;
 	__u64 max_memory_clock;
 	/* cu information */
 	__u32 cu_active_number;
+	/* NOTE: cu_ao_mask is INVALID, DON'T use it */
 	__u32 cu_ao_mask;
 	__u32 cu_bitmap[4][4];
 	/** Render backend pipe mask. One render backend is CB+DB. */
 	__u32 enabled_rb_pipes_mask;
 	__u32 num_rb_pipes;
 	__u32 num_hw_gfx_contexts;
 	__u32 _pad;
 	__u64 ids_flags;
 	/** Starting virtual address for UMDs. */
 	__u64 virtual_address_offset;
@@ -811,20 +830,22 @@ struct drm_amdgpu_info_device {
 	__u32 num_cu_per_sh;
 	/* number of tcc blocks*/
 	__u32 num_tcc_blocks;
 	/* gs vgt table depth*/
 	__u32 gs_vgt_table_depth;
 	/* gs primitive buffer depth*/
 	__u32 gs_prim_buffer_depth;
 	/* max gs wavefront per vgt*/
 	__u32 max_gs_waves_per_vgt;
 	__u32 _pad1;
+	/* always on cu bitmap */
+	__u32 cu_ao_bitmap[4][4];
 };
 
 struct drm_amdgpu_info_hw_ip {
 	/** Version of h/w IP */
 	__u32  hw_ip_version_major;
 	__u32  hw_ip_version_minor;
 	/** Capabilities */
 	__u64  capabilities_flags;
 	/** command buffer address start alignment*/
 	__u32  ib_start_alignment;
-- 
2.7.4

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