[igt-dev] [PATCH i-g-t v3 06/10] lib/intel_batchbuffer: Add Xe support in intel-bb

Zbigniew Kempczyński zbigniew.kempczynski at intel.com
Thu Apr 20 06:39:04 UTC 2023


Intention of creating intel-bb was to replace libdrm for i915.
Due to many code relies on it (kms for example) most rational way
is to extend and add Xe path to it.

Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
---
 lib/gpu_cmds.c           |   2 +-
 lib/intel_aux_pgtable.c  |   2 +-
 lib/intel_batchbuffer.c  | 430 ++++++++++++++++++++++++++++++---------
 lib/intel_batchbuffer.h  |  28 ++-
 tests/i915/gem_caching.c |   4 +-
 tests/i915/gem_pxp.c     |   2 +-
 6 files changed, 355 insertions(+), 113 deletions(-)

diff --git a/lib/gpu_cmds.c b/lib/gpu_cmds.c
index cee81555d8..afb26d2990 100644
--- a/lib/gpu_cmds.c
+++ b/lib/gpu_cmds.c
@@ -251,7 +251,7 @@ gen7_fill_binding_table(struct intel_bb *ibb,
 {
 	uint32_t binding_table_offset;
 	uint32_t *binding_table;
-	uint32_t devid = intel_get_drm_devid(ibb->i915);
+	uint32_t devid = intel_get_drm_devid(ibb->fd);
 
 	intel_bb_ptr_align(ibb, 64);
 	binding_table_offset = intel_bb_offset(ibb);
diff --git a/lib/intel_aux_pgtable.c b/lib/intel_aux_pgtable.c
index 5205687080..946ca60b97 100644
--- a/lib/intel_aux_pgtable.c
+++ b/lib/intel_aux_pgtable.c
@@ -481,7 +481,7 @@ intel_aux_pgtable_create(struct intel_bb *ibb,
 	intel_bb_add_intel_buf_with_alignment(ibb, pgt->buf,
 					      pgt->max_align, false);
 
-	pgt_map(ibb->i915, pgt);
+	pgt_map(ibb->fd, pgt);
 	pgt_populate_entries(pgt, bufs, buf_count);
 	pgt_unmap(pgt);
 
diff --git a/lib/intel_batchbuffer.c b/lib/intel_batchbuffer.c
index a4eb4c2bbc..47ab579daa 100644
--- a/lib/intel_batchbuffer.c
+++ b/lib/intel_batchbuffer.c
@@ -29,6 +29,8 @@
 #include <glib.h>
 
 #include "i915/gem_create.h"
+#include "xe/xe_ioctl.h"
+#include "xe/xe_query.h"
 #include "intel_batchbuffer.h"
 #include "intel_bufops.h"
 #include "intel_chipset.h"
@@ -38,6 +40,9 @@
 #include "veboxcopy.h"
 #include "sw_sync.h"
 #include "gpgpu_fill.h"
+#include "igt_aux.h"
+#include "igt_syncobj.h"
+#include "i830_reg.h"
 #include "huc_copy.h"
 #include "i915/i915_blt.h"
 
@@ -828,21 +833,22 @@ static inline uint64_t __intel_bb_get_offset(struct intel_bb *ibb,
 
 /**
  * __intel_bb_create:
- * @i915: drm fd
+ * @fd: drm fd - i915 or xe
  * @ctx: context id
- * @cfg: intel_ctx configuration, NULL for default context or legacy mode
+ * @cfg: for i915 intel_ctx configuration, NULL for default context or legacy mode,
+ *       unused for xe
  * @size: size of the batchbuffer
  * @do_relocs: use relocations or allocator
  * @allocator_type: allocator type, must be INTEL_ALLOCATOR_NONE for relocations
  *
  * intel-bb assumes it will work in one of two modes - with relocations or
- * with using allocator (currently RANDOM and SIMPLE are implemented).
+ * with using allocator (currently RELOC and SIMPLE are implemented).
  * Some description is required to describe how they maintain the addresses.
  *
  * Before entering into each scenarios generic rule is intel-bb keeps objects
  * and their offsets in the internal cache and reuses in subsequent execs.
  *
- * 1. intel-bb with relocations
+ * 1. intel-bb with relocations (i915 only)
  *
  * Creating new intel-bb adds handle to cache implicitly and sets its address
  * to 0. Objects added to intel-bb later also have address 0 set for first run.
@@ -850,14 +856,15 @@ static inline uint64_t __intel_bb_get_offset(struct intel_bb *ibb,
  * works in reloc mode addresses are only suggestion to the driver and we
  * cannot be sure they won't change at next exec.
  *
- * 2. with allocator
+ * 2. with allocator (i915 or xe)
  *
  * This mode is valid only for ppgtt. Addresses are acquired from allocator
- * and softpinned. intel-bb cache must be then coherent with allocator
- * (simple is coherent, random is not due to fact we don't keep its state).
+ * and softpinned (i915) or vm-binded (xe). intel-bb cache must be then
+ * coherent with allocator (simple is coherent, reloc partially [doesn't
+ * support address reservation]).
  * When we do intel-bb reset with purging cache it has to reacquire addresses
  * from allocator (allocator should return same address - what is true for
- * simple allocator and false for random as mentioned before).
+ * simple and reloc allocators).
  *
  * If we do reset without purging caches we use addresses from intel-bb cache
  * during execbuf objects construction.
@@ -873,7 +880,7 @@ static inline uint64_t __intel_bb_get_offset(struct intel_bb *ibb,
  * Pointer the intel_bb, asserts on failure.
  */
 static struct intel_bb *
-__intel_bb_create(int i915, uint32_t ctx, const intel_ctx_cfg_t *cfg,
+__intel_bb_create(int fd, uint32_t ctx, const intel_ctx_cfg_t *cfg,
 		  uint32_t size, bool do_relocs,
 		  uint64_t start, uint64_t end,
 		  uint8_t allocator_type, enum allocator_strategy strategy)
@@ -883,48 +890,86 @@ __intel_bb_create(int i915, uint32_t ctx, const intel_ctx_cfg_t *cfg,
 
 	igt_assert(ibb);
 
-	ibb->uses_full_ppgtt = gem_uses_full_ppgtt(i915);
-	ibb->devid = intel_get_drm_devid(i915);
+	ibb->devid = intel_get_drm_devid(fd);
 	ibb->gen = intel_gen(ibb->devid);
+	ibb->ctx = ctx;
+
+	ibb->fd = fd;
+	ibb->driver = is_i915_device(fd) ? INTEL_DRIVER_I915 :
+					   is_xe_device(fd) ? INTEL_DRIVER_XE : 0;
+	igt_assert(ibb->driver);
 
 	/*
 	 * If we don't have full ppgtt driver can change our addresses
 	 * so allocator is useless in this case. Just enforce relocations
 	 * for such gens and don't use allocator at all.
 	 */
-	if (!ibb->uses_full_ppgtt)
-		do_relocs = true;
+	if (ibb->driver == INTEL_DRIVER_I915) {
+		ibb->uses_full_ppgtt = gem_uses_full_ppgtt(fd);
 
-	/*
-	 * For softpin mode allocator has full control over offsets allocation
-	 * so we want kernel to not interfere with this.
-	 */
-	if (do_relocs)
-		ibb->allows_obj_alignment = gem_allows_obj_alignment(i915);
+		if (!ibb->uses_full_ppgtt)
+			do_relocs = true;
 
-	/* Use safe start offset instead assuming 0x0 is safe */
-	start = max_t(uint64_t, start, gem_detect_safe_start_offset(i915));
+		/*
+		 * For softpin mode allocator has full control over offsets allocation
+		 * so we want kernel to not interfere with this.
+		 */
+		if (do_relocs) {
+			ibb->allows_obj_alignment = gem_allows_obj_alignment(fd);
+			allocator_type = INTEL_ALLOCATOR_NONE;
+		} else {
+			/* if relocs are set we won't use an allocator */
+			ibb->allocator_handle =
+				intel_allocator_open_full(fd, ctx,
+							  start, end,
+							  allocator_type,
+							  strategy, 0);
+		}
+
+		/* Use safe start offset instead assuming 0x0 is safe */
+		start = max_t(uint64_t, start, gem_detect_safe_start_offset(fd));
+
+		ibb->vm_id = 0;
+	} else {
+		igt_assert(!do_relocs);
+
+		if (!ctx)
+			ctx = xe_vm_create(fd, DRM_XE_VM_CREATE_ASYNC_BIND_OPS, 0);
+
+		ibb->uses_full_ppgtt = 1;
+		ibb->allocator_handle =
+			intel_allocator_open_full(fd, ctx, start, end,
+						  allocator_type,
+						  strategy,
+						  xe_get_default_alignment(fd));
+		ibb->vm_id = ctx;
+		ibb->last_engine = ~0U;
+	}
 
-	/* if relocs are set we won't use an allocator */
-	if (do_relocs)
-		allocator_type = INTEL_ALLOCATOR_NONE;
-	else
-		ibb->allocator_handle = intel_allocator_open_full(i915, ctx,
-								  start, end,
-								  allocator_type,
-								  strategy, 0);
 	ibb->allocator_type = allocator_type;
 	ibb->allocator_strategy = strategy;
 	ibb->allocator_start = start;
 	ibb->allocator_end = end;
 
-	ibb->i915 = i915;
 	ibb->enforce_relocs = do_relocs;
-	ibb->handle = gem_create(i915, size);
+	igt_assert(ibb->driver == INTEL_DRIVER_I915 ||
+		   (ibb->driver == INTEL_DRIVER_XE && !do_relocs));
+
+	if (ibb->driver == INTEL_DRIVER_I915) {
+		ibb->handle = gem_create(fd, size);
+		ibb->alignment = gem_detect_safe_alignment(fd);
+		ibb->gtt_size = gem_aperture_size(fd);
+	} else {
+		ibb->alignment = xe_get_default_alignment(fd);
+		size = ALIGN(size, ibb->alignment);
+		ibb->handle = xe_bo_create_flags(fd, 0, size,
+						 xe_has_vram(fd) ?
+						 vram_memory(fd, 0) :
+						 system_memory(fd));
+		ibb->gtt_size = 1ull << xe_va_bits(fd);
+	}
+
 	ibb->size = size;
-	ibb->alignment = gem_detect_safe_alignment(i915);
-	ibb->ctx = ctx;
-	ibb->vm_id = 0;
 	ibb->batch = calloc(1, size);
 	igt_assert(ibb->batch);
 	ibb->ptr = ibb->batch;
@@ -937,7 +982,6 @@ __intel_bb_create(int i915, uint32_t ctx, const intel_ctx_cfg_t *cfg,
 		memcpy(ibb->cfg, cfg, sizeof(*cfg));
 	}
 
-	ibb->gtt_size = gem_aperture_size(i915);
 	if ((ibb->gtt_size - 1) >> 32)
 		ibb->supports_48b_address = true;
 
@@ -961,13 +1005,13 @@ __intel_bb_create(int i915, uint32_t ctx, const intel_ctx_cfg_t *cfg,
 
 /**
  * intel_bb_create_full:
- * @i915: drm fd
+ * @fd: drm fd - i915 or xe
  * @ctx: context
  * @cfg: intel_ctx configuration, NULL for default context or legacy mode
  * @size: size of the batchbuffer
  * @start: allocator vm start address
  * @end: allocator vm start address
- * @allocator_type: allocator type, SIMPLE, RANDOM, ...
+ * @allocator_type: allocator type, SIMPLE, RELOC, ...
  * @strategy: allocation strategy
  *
  * Creates bb with context passed in @ctx, size in @size and allocator type
@@ -980,19 +1024,19 @@ __intel_bb_create(int i915, uint32_t ctx, const intel_ctx_cfg_t *cfg,
  *
  * Pointer the intel_bb, asserts on failure.
  */
-struct intel_bb *intel_bb_create_full(int i915, uint32_t ctx,
+struct intel_bb *intel_bb_create_full(int fd, uint32_t ctx,
 				      const intel_ctx_cfg_t *cfg, uint32_t size,
 				      uint64_t start, uint64_t end,
 				      uint8_t allocator_type,
 				      enum allocator_strategy strategy)
 {
-	return __intel_bb_create(i915, ctx, cfg, size, false, start, end,
+	return __intel_bb_create(fd, ctx, cfg, size, false, start, end,
 				 allocator_type, strategy);
 }
 
 /**
  * intel_bb_create_with_allocator:
- * @i915: drm fd
+ * @fd: drm fd - i915 or xe
  * @ctx: context
  * @cfg: intel_ctx configuration, NULL for default context or legacy mode
  * @size: size of the batchbuffer
@@ -1006,18 +1050,18 @@ struct intel_bb *intel_bb_create_full(int i915, uint32_t ctx,
  *
  * Pointer the intel_bb, asserts on failure.
  */
-struct intel_bb *intel_bb_create_with_allocator(int i915, uint32_t ctx,
+struct intel_bb *intel_bb_create_with_allocator(int fd, uint32_t ctx,
 						const intel_ctx_cfg_t *cfg,
 						uint32_t size,
 						uint8_t allocator_type)
 {
-	return __intel_bb_create(i915, ctx, cfg, size, false, 0, 0,
+	return __intel_bb_create(fd, ctx, cfg, size, false, 0, 0,
 				 allocator_type, ALLOC_STRATEGY_HIGH_TO_LOW);
 }
 
-static bool aux_needs_softpin(int i915)
+static bool aux_needs_softpin(int fd)
 {
-	return intel_gen(intel_get_drm_devid(i915)) >= 12;
+	return intel_gen(intel_get_drm_devid(fd)) >= 12;
 }
 
 static bool has_ctx_cfg(struct intel_bb *ibb)
@@ -1027,7 +1071,7 @@ static bool has_ctx_cfg(struct intel_bb *ibb)
 
 /**
  * intel_bb_create:
- * @i915: drm fd
+ * @fd: drm fd - i915 or xe
  * @size: size of the batchbuffer
  *
  * Creates bb with default context.
@@ -1045,19 +1089,19 @@ static bool has_ctx_cfg(struct intel_bb *ibb)
  * connection to it inside intel_bb is not valid anymore.
  * Trying to use it leads to catastrofic errors.
  */
-struct intel_bb *intel_bb_create(int i915, uint32_t size)
+struct intel_bb *intel_bb_create(int fd, uint32_t size)
 {
-	bool relocs = gem_has_relocations(i915);
+	bool relocs = is_i915_device(fd) && gem_has_relocations(fd);
 
-	return __intel_bb_create(i915, 0, NULL, size,
-				 relocs && !aux_needs_softpin(i915), 0, 0,
+	return __intel_bb_create(fd, 0, NULL, size,
+				 relocs && !aux_needs_softpin(fd), 0, 0,
 				 INTEL_ALLOCATOR_SIMPLE,
 				 ALLOC_STRATEGY_HIGH_TO_LOW);
 }
 
 /**
  * intel_bb_create_with_context:
- * @i915: drm fd
+ * @fd: drm fd - i915 or xe
  * @ctx: context id
  * @cfg: intel_ctx configuration, NULL for default context or legacy mode
  * @size: size of the batchbuffer
@@ -1070,20 +1114,20 @@ struct intel_bb *intel_bb_create(int i915, uint32_t size)
  * Pointer the intel_bb, asserts on failure.
  */
 struct intel_bb *
-intel_bb_create_with_context(int i915, uint32_t ctx,
+intel_bb_create_with_context(int fd, uint32_t ctx,
 			     const intel_ctx_cfg_t *cfg, uint32_t size)
 {
-	bool relocs = gem_has_relocations(i915);
+	bool relocs = is_i915_device(fd) && gem_has_relocations(fd);
 
-	return __intel_bb_create(i915, ctx, cfg, size,
-				 relocs && !aux_needs_softpin(i915), 0, 0,
+	return __intel_bb_create(fd, ctx, cfg, size,
+				 relocs && !aux_needs_softpin(fd), 0, 0,
 				 INTEL_ALLOCATOR_SIMPLE,
 				 ALLOC_STRATEGY_HIGH_TO_LOW);
 }
 
 /**
  * intel_bb_create_with_relocs:
- * @i915: drm fd
+ * @fd: drm fd - i915
  * @size: size of the batchbuffer
  *
  * Creates bb which will disable passing addresses.
@@ -1093,17 +1137,17 @@ intel_bb_create_with_context(int i915, uint32_t ctx,
  *
  * Pointer the intel_bb, asserts on failure.
  */
-struct intel_bb *intel_bb_create_with_relocs(int i915, uint32_t size)
+struct intel_bb *intel_bb_create_with_relocs(int fd, uint32_t size)
 {
-	igt_require(gem_has_relocations(i915));
+	igt_require(is_i915_device(fd) && gem_has_relocations(fd));
 
-	return __intel_bb_create(i915, 0, NULL, size, true, 0, 0,
+	return __intel_bb_create(fd, 0, NULL, size, true, 0, 0,
 				 INTEL_ALLOCATOR_NONE, ALLOC_STRATEGY_NONE);
 }
 
 /**
  * intel_bb_create_with_relocs_and_context:
- * @i915: drm fd
+ * @fd: drm fd - i915
  * @ctx: context
  * @cfg: intel_ctx configuration, NULL for default context or legacy mode
  * @size: size of the batchbuffer
@@ -1116,19 +1160,19 @@ struct intel_bb *intel_bb_create_with_relocs(int i915, uint32_t size)
  * Pointer the intel_bb, asserts on failure.
  */
 struct intel_bb *
-intel_bb_create_with_relocs_and_context(int i915, uint32_t ctx,
+intel_bb_create_with_relocs_and_context(int fd, uint32_t ctx,
 					const intel_ctx_cfg_t *cfg,
 					uint32_t size)
 {
-	igt_require(gem_has_relocations(i915));
+	igt_require(is_i915_device(fd) && gem_has_relocations(fd));
 
-	return __intel_bb_create(i915, ctx, cfg, size, true, 0, 0,
+	return __intel_bb_create(fd, ctx, cfg, size, true, 0, 0,
 				 INTEL_ALLOCATOR_NONE, ALLOC_STRATEGY_NONE);
 }
 
 /**
  * intel_bb_create_no_relocs:
- * @i915: drm fd
+ * @fd: drm fd - i915 or xe
  * @size: size of the batchbuffer
  *
  * Creates bb with disabled relocations.
@@ -1138,11 +1182,12 @@ intel_bb_create_with_relocs_and_context(int i915, uint32_t ctx,
  *
  * Pointer the intel_bb, asserts on failure.
  */
-struct intel_bb *intel_bb_create_no_relocs(int i915, uint32_t size)
+struct intel_bb *intel_bb_create_no_relocs(int fd, uint32_t size)
 {
-	igt_require(gem_uses_full_ppgtt(i915));
+	igt_require(is_xe_device(fd) ||
+		    (is_i915_device(fd) && gem_uses_full_ppgtt(fd)));
 
-	return __intel_bb_create(i915, 0, NULL, size, false, 0, 0,
+	return __intel_bb_create(fd, 0, NULL, size, false, 0, 0,
 				 INTEL_ALLOCATOR_SIMPLE,
 				 ALLOC_STRATEGY_HIGH_TO_LOW);
 }
@@ -1217,16 +1262,80 @@ void intel_bb_destroy(struct intel_bb *ibb)
 		intel_allocator_free(ibb->allocator_handle, ibb->handle);
 		intel_allocator_close(ibb->allocator_handle);
 	}
-	gem_close(ibb->i915, ibb->handle);
+	gem_close(ibb->fd, ibb->handle);
 
 	if (ibb->fence >= 0)
 		close(ibb->fence);
+	if (ibb->engine_syncobj)
+		syncobj_destroy(ibb->fd, ibb->engine_syncobj);
+	if (ibb->vm_id && !ibb->ctx)
+		xe_vm_destroy(ibb->fd, ibb->vm_id);
 
 	free(ibb->batch);
 	free(ibb->cfg);
 	free(ibb);
 }
 
+static struct drm_xe_vm_bind_op *xe_alloc_bind_ops(struct intel_bb *ibb,
+						   uint32_t op, uint32_t region)
+{
+	struct drm_i915_gem_exec_object2 **objects = ibb->objects;
+	struct drm_xe_vm_bind_op *bind_ops, *ops;
+	bool set_obj = (op & 0xffff) == XE_VM_BIND_OP_MAP;
+
+	bind_ops = calloc(ibb->num_objects, sizeof(*bind_ops));
+	igt_assert(bind_ops);
+
+	igt_debug("bind_ops: %s\n", set_obj ? "MAP" : "UNMAP");
+	for (int i = 0; i < ibb->num_objects; i++) {
+		ops = &bind_ops[i];
+
+		if (set_obj)
+			ops->obj = objects[i]->handle;
+
+		ops->op = op;
+		ops->obj_offset = 0;
+		ops->addr = objects[i]->offset;
+		ops->range = objects[i]->rsvd1;
+		ops->region = region;
+
+		igt_debug("  [%d]: handle: %u, offset: %llx, size: %llx\n",
+			  i, ops->obj, (long long)ops->addr, (long long)ops->range);
+	}
+
+	return bind_ops;
+}
+
+static void __unbind_xe_objects(struct intel_bb *ibb)
+{
+	struct drm_xe_sync syncs[2] = {
+		{ .flags = DRM_XE_SYNC_SYNCOBJ },
+		{ .flags = DRM_XE_SYNC_SYNCOBJ | DRM_XE_SYNC_SIGNAL, },
+	};
+	int ret;
+
+	syncs[0].handle = ibb->engine_syncobj;
+	syncs[1].handle = syncobj_create(ibb->fd, 0);
+
+	if (ibb->num_objects > 1) {
+		struct drm_xe_vm_bind_op *bind_ops;
+		uint32_t op = XE_VM_BIND_OP_UNMAP | XE_VM_BIND_FLAG_ASYNC;
+
+		bind_ops = xe_alloc_bind_ops(ibb, op, 0);
+		xe_vm_bind_array(ibb->fd, ibb->vm_id, 0, bind_ops,
+				 ibb->num_objects, syncs, 2);
+		free(bind_ops);
+	} else {
+		xe_vm_unbind_async(ibb->fd, ibb->vm_id, 0, 0,
+				   ibb->batch_offset, ibb->size, syncs, 2);
+	}
+	ret = syncobj_wait_err(ibb->fd, &syncs[1].handle, 1, INT64_MAX, 0);
+	igt_assert_eq(ret, 0);
+	syncobj_destroy(ibb->fd, syncs[1].handle);
+
+	ibb->xe_bound = false;
+}
+
 /*
  * intel_bb_reset:
  * @ibb: pointer to intel_bb
@@ -1238,7 +1347,6 @@ void intel_bb_destroy(struct intel_bb *ibb)
  * from intel-bb tracking list. Removing intel_bufs releases their addresses
  * in the allocator.
 */
-
 void intel_bb_reset(struct intel_bb *ibb, bool purge_objects_cache)
 {
 	uint32_t i;
@@ -1258,6 +1366,9 @@ void intel_bb_reset(struct intel_bb *ibb, bool purge_objects_cache)
 	for (i = 0; i < ibb->num_objects; i++)
 		ibb->objects[i]->flags &= EXEC_OBJECT_SUPPORTS_48B_ADDRESS;
 
+	if (is_xe_device(ibb->fd) && ibb->xe_bound)
+		__unbind_xe_objects(ibb);
+
 	__intel_bb_destroy_relocations(ibb);
 	__intel_bb_destroy_objects(ibb);
 	__reallocate_objects(ibb);
@@ -1277,11 +1388,16 @@ void intel_bb_reset(struct intel_bb *ibb, bool purge_objects_cache)
 		intel_bb_remove_object(ibb, ibb->handle, ibb->batch_offset,
 				       ibb->size);
 
-	gem_close(ibb->i915, ibb->handle);
-	ibb->handle = gem_create(ibb->i915, ibb->size);
+	gem_close(ibb->fd, ibb->handle);
+	if (is_i915_device(ibb->fd))
+		ibb->handle = gem_create(ibb->fd, ibb->size);
+	else
+		ibb->handle = xe_bo_create_flags(ibb->fd, 0, ibb->size,
+						 vram_if_possible(ibb->fd, 0));
 
-	/* Keep address for bb in reloc mode and RANDOM allocator */
-	if (ibb->allocator_type == INTEL_ALLOCATOR_SIMPLE)
+	/* Reacquire offset for RELOC and SIMPLE */
+	if (ibb->allocator_type == INTEL_ALLOCATOR_SIMPLE ||
+	    ibb->allocator_type == INTEL_ALLOCATOR_RELOC)
 		ibb->batch_offset = __intel_bb_get_offset(ibb,
 							  ibb->handle,
 							  ibb->size,
@@ -1304,13 +1420,19 @@ int intel_bb_sync(struct intel_bb *ibb)
 {
 	int ret;
 
-	if (ibb->fence < 0)
+	if (ibb->fence < 0 && !ibb->engine_syncobj)
 		return 0;
 
-	ret = sync_fence_wait(ibb->fence, -1);
-	if (ret == 0) {
-		close(ibb->fence);
-		ibb->fence = -1;
+	if (ibb->fence >= 0) {
+		ret = sync_fence_wait(ibb->fence, -1);
+		if (ret == 0) {
+			close(ibb->fence);
+			ibb->fence = -1;
+		}
+	} else {
+		igt_assert_neq(ibb->engine_syncobj, 0);
+		ret = syncobj_wait_err(ibb->fd, &ibb->engine_syncobj,
+				       1, INT64_MAX, 0);
 	}
 
 	return ret;
@@ -1325,7 +1447,7 @@ int intel_bb_sync(struct intel_bb *ibb)
 void intel_bb_print(struct intel_bb *ibb)
 {
 	igt_info("drm fd: %d, gen: %d, devid: %u, debug: %d\n",
-		 ibb->i915, ibb->gen, ibb->devid, ibb->debug);
+		 ibb->fd, ibb->gen, ibb->devid, ibb->debug);
 	igt_info("handle: %u, size: %u, batch: %p, ptr: %p\n",
 		 ibb->handle, ibb->size, ibb->batch, ibb->ptr);
 	igt_info("gtt_size: %" PRIu64 ", supports 48bit: %d\n",
@@ -1350,7 +1472,7 @@ void intel_bb_dump(struct intel_bb *ibb, const char *filename)
 	FILE *out;
 	void *ptr;
 
-	ptr = gem_mmap__device_coherent(ibb->i915, ibb->handle, 0, ibb->size,
+	ptr = gem_mmap__device_coherent(ibb->fd, ibb->handle, 0, ibb->size,
 					PROT_READ);
 	out = fopen(filename, "wb");
 	igt_assert(out);
@@ -1501,7 +1623,7 @@ static void __remove_from_objects(struct intel_bb *ibb,
 }
 
 /**
- * intel_bb_add_object:
+ * __intel_bb_add_object:
  * @ibb: pointer to intel_bb
  * @handle: which handle to add to objects array
  * @size: object size
@@ -1513,9 +1635,9 @@ static void __remove_from_objects(struct intel_bb *ibb,
  * in the object tree. When object is a render target it has to
  * be marked with EXEC_OBJECT_WRITE flag.
  */
-struct drm_i915_gem_exec_object2 *
-intel_bb_add_object(struct intel_bb *ibb, uint32_t handle, uint64_t size,
-		    uint64_t offset, uint64_t alignment, bool write)
+static struct drm_i915_gem_exec_object2 *
+__intel_bb_add_object(struct intel_bb *ibb, uint32_t handle, uint64_t size,
+		      uint64_t offset, uint64_t alignment, bool write)
 {
 	struct drm_i915_gem_exec_object2 *object;
 
@@ -1523,8 +1645,12 @@ intel_bb_add_object(struct intel_bb *ibb, uint32_t handle, uint64_t size,
 		   || ALIGN(offset, alignment) == offset);
 	igt_assert(is_power_of_two(alignment));
 
+	if (ibb->driver == INTEL_DRIVER_I915)
+		alignment = max_t(uint64_t, alignment, gem_detect_safe_alignment(ibb->fd));
+	else if (ibb->driver == INTEL_DRIVER_XE)
+		alignment = max_t(uint64_t, ibb->alignment, alignment);
+
 	object = __add_to_cache(ibb, handle);
-	alignment = max_t(uint64_t, alignment, gem_detect_safe_alignment(ibb->i915));
 	__add_to_objects(ibb, object);
 
 	/*
@@ -1584,9 +1710,27 @@ intel_bb_add_object(struct intel_bb *ibb, uint32_t handle, uint64_t size,
 	if (ibb->allows_obj_alignment)
 		object->alignment = alignment;
 
+	if (ibb->driver == INTEL_DRIVER_XE) {
+		object->alignment = alignment;
+		object->rsvd1 = size;
+	}
+
 	return object;
 }
 
+struct drm_i915_gem_exec_object2 *
+intel_bb_add_object(struct intel_bb *ibb, uint32_t handle, uint64_t size,
+		    uint64_t offset, uint64_t alignment, bool write)
+{
+	struct drm_i915_gem_exec_object2 *obj = NULL;
+
+	obj = __intel_bb_add_object(ibb, handle, size, offset,
+				    alignment, write);
+	igt_assert(obj);
+
+	return obj;
+}
+
 bool intel_bb_remove_object(struct intel_bb *ibb, uint32_t handle,
 			    uint64_t offset, uint64_t size)
 {
@@ -1999,7 +2143,7 @@ static void intel_bb_dump_execbuf(struct intel_bb *ibb,
 	uint64_t address;
 
 	igt_debug("execbuf [pid: %ld, fd: %d, ctx: %u]\n",
-		  (long) getpid(), ibb->i915, ibb->ctx);
+		  (long) getpid(), ibb->fd, ibb->ctx);
 	igt_debug("execbuf batch len: %u, start offset: 0x%x, "
 		  "DR1: 0x%x, DR4: 0x%x, "
 		  "num clip: %u, clipptr: 0x%llx, "
@@ -2135,6 +2279,83 @@ static void update_offsets(struct intel_bb *ibb,
 }
 
 #define LINELEN 76
+
+static int
+__xe_bb_exec(struct intel_bb *ibb, uint32_t end_offset,
+	     uint64_t flags, bool sync)
+{
+	uint32_t engine = flags & (I915_EXEC_BSD_MASK | I915_EXEC_RING_MASK);
+	uint32_t engine_id;
+	struct drm_xe_sync syncs[2] = {
+		{ .flags = DRM_XE_SYNC_SYNCOBJ | DRM_XE_SYNC_SIGNAL, },
+		{ .flags = DRM_XE_SYNC_SYNCOBJ | DRM_XE_SYNC_SIGNAL, },
+	};
+	struct drm_xe_vm_bind_op *bind_ops;
+	void *map;
+
+	igt_assert_eq(ibb->num_relocs, 0);
+	igt_assert_eq(ibb->xe_bound, false);
+
+	if (ibb->last_engine != engine) {
+		struct drm_xe_engine_class_instance inst = { };
+
+		inst.engine_instance =
+			(flags & I915_EXEC_BSD_MASK) >> I915_EXEC_BSD_SHIFT;
+
+		switch (flags & I915_EXEC_RING_MASK) {
+		case I915_EXEC_DEFAULT:
+		case I915_EXEC_BLT:
+			inst.engine_class = DRM_XE_ENGINE_CLASS_COPY;
+			break;
+		case I915_EXEC_BSD:
+			inst.engine_class = DRM_XE_ENGINE_CLASS_VIDEO_DECODE;
+			break;
+		case I915_EXEC_RENDER:
+			inst.engine_class = DRM_XE_ENGINE_CLASS_RENDER;
+			break;
+		case I915_EXEC_VEBOX:
+			inst.engine_class = DRM_XE_ENGINE_CLASS_VIDEO_ENHANCE;
+			break;
+		default:
+			igt_assert(false);
+		}
+		igt_debug("Run on %s\n", xe_engine_class_string(inst.engine_class));
+
+		ibb->engine_id = engine_id =
+			xe_engine_create(ibb->fd, ibb->vm_id, &inst, 0);
+	} else {
+		engine_id = ibb->engine_id;
+	}
+	ibb->last_engine = engine;
+
+	map = xe_bo_map(ibb->fd, ibb->handle, ibb->size);
+	memcpy(map, ibb->batch, ibb->size);
+	gem_munmap(map, ibb->size);
+
+	syncs[0].handle = syncobj_create(ibb->fd, 0);
+	if (ibb->num_objects > 1) {
+		bind_ops = xe_alloc_bind_ops(ibb, XE_VM_BIND_OP_MAP | XE_VM_BIND_FLAG_ASYNC, 0);
+		xe_vm_bind_array(ibb->fd, ibb->vm_id, 0, bind_ops,
+				 ibb->num_objects, syncs, 1);
+		ibb->xe_bound = true;
+		free(bind_ops);
+	} else {
+		xe_vm_bind_async(ibb->fd, ibb->vm_id, 0, ibb->handle, 0,
+				 ibb->batch_offset, ibb->size, syncs, 1);
+	}
+
+	syncs[0].flags &= ~DRM_XE_SYNC_SIGNAL;
+	ibb->engine_syncobj = syncobj_create(ibb->fd, 0);
+	syncs[1].handle = ibb->engine_syncobj;
+
+	xe_exec_sync(ibb->fd, engine_id, ibb->batch_offset, syncs, 2);
+
+	if (sync)
+		intel_bb_sync(ibb);
+
+	return 0;
+}
+
 /*
  * __intel_bb_exec:
  * @ibb: pointer to intel_bb
@@ -2160,7 +2381,7 @@ int __intel_bb_exec(struct intel_bb *ibb, uint32_t end_offset,
 	ibb->objects[0]->handle = ibb->handle;
 	ibb->objects[0]->offset = ibb->batch_offset;
 
-	gem_write(ibb->i915, ibb->handle, 0, ibb->batch, ibb->size);
+	gem_write(ibb->fd, ibb->handle, 0, ibb->batch, ibb->size);
 
 	memset(&execbuf, 0, sizeof(execbuf));
 	objects = create_objects_array(ibb);
@@ -2173,13 +2394,10 @@ int __intel_bb_exec(struct intel_bb *ibb, uint32_t end_offset,
 		execbuf.flags &= ~I915_EXEC_NO_RELOC;
 	execbuf.rsvd2 = 0;
 
-	if (ibb->dump_base64)
-		intel_bb_dump_base64(ibb, LINELEN);
-
 	/* For debugging on CI, remove in final series */
 	intel_bb_dump_execbuf(ibb, &execbuf);
 
-	ret = __gem_execbuf_wr(ibb->i915, &execbuf);
+	ret = __gem_execbuf_wr(ibb->fd, &execbuf);
 	if (ret) {
 		intel_bb_dump_execbuf(ibb, &execbuf);
 		free(objects);
@@ -2230,7 +2448,13 @@ int __intel_bb_exec(struct intel_bb *ibb, uint32_t end_offset,
 void intel_bb_exec(struct intel_bb *ibb, uint32_t end_offset,
 		   uint64_t flags, bool sync)
 {
-	igt_assert_eq(__intel_bb_exec(ibb, end_offset, flags, sync), 0);
+	if (ibb->dump_base64)
+		intel_bb_dump_base64(ibb, LINELEN);
+
+	if (ibb->driver == INTEL_DRIVER_I915)
+		igt_assert_eq(__intel_bb_exec(ibb, end_offset, flags, sync), 0);
+	else
+		igt_assert_eq(__xe_bb_exec(ibb, end_offset, flags, sync), 0);
 }
 
 /**
@@ -2409,13 +2633,13 @@ uint32_t intel_bb_copy_data(struct intel_bb *ibb,
  */
 void intel_bb_blit_start(struct intel_bb *ibb, uint32_t flags)
 {
-	if (blt_has_xy_src_copy(ibb->i915))
+	if (blt_has_xy_src_copy(ibb->fd))
 		intel_bb_out(ibb, XY_SRC_COPY_BLT_CMD |
 			     XY_SRC_COPY_BLT_WRITE_ALPHA |
 			     XY_SRC_COPY_BLT_WRITE_RGB |
 			     flags |
 			     (6 + 2 * (ibb->gen >= 8)));
-	else if (blt_has_fast_copy(ibb->i915))
+	else if (blt_has_fast_copy(ibb->fd))
 		intel_bb_out(ibb, XY_FAST_COPY_BLT | flags);
 	else
 		igt_assert_f(0, "No supported blit command found\n");
@@ -2456,9 +2680,9 @@ void intel_bb_emit_blt_copy(struct intel_bb *ibb,
 
 	if (gen >= 4 && src->tiling != I915_TILING_NONE) {
 		src_pitch /= 4;
-		if (blt_has_xy_src_copy(ibb->i915))
+		if (blt_has_xy_src_copy(ibb->fd))
 			cmd_bits |= XY_SRC_COPY_BLT_SRC_TILED;
-		else if (blt_has_fast_copy(ibb->i915))
+		else if (blt_has_fast_copy(ibb->fd))
 			cmd_bits |= fast_copy_dword0(src->tiling, dst->tiling);
 		else
 			igt_assert_f(0, "No supported blit command found\n");
@@ -2466,7 +2690,7 @@ void intel_bb_emit_blt_copy(struct intel_bb *ibb,
 
 	if (gen >= 4 && dst->tiling != I915_TILING_NONE) {
 		dst_pitch /= 4;
-		if (blt_has_xy_src_copy(ibb->i915))
+		if (blt_has_xy_src_copy(ibb->fd))
 			cmd_bits |= XY_SRC_COPY_BLT_DST_TILED;
 		else
 			cmd_bits |= fast_copy_dword0(src->tiling, dst->tiling);
@@ -2480,7 +2704,7 @@ void intel_bb_emit_blt_copy(struct intel_bb *ibb,
 	CHECK_RANGE(src_pitch); CHECK_RANGE(dst_pitch);
 
 	br13_bits = 0;
-	if (blt_has_xy_src_copy(ibb->i915)) {
+	if (blt_has_xy_src_copy(ibb->fd)) {
 		switch (bpp) {
 		case 8:
 			break;
@@ -2496,7 +2720,7 @@ void intel_bb_emit_blt_copy(struct intel_bb *ibb,
 			igt_fail(IGT_EXIT_FAILURE);
 		}
 	} else {
-		br13_bits = fast_copy_dword1(ibb->i915, src->tiling, dst->tiling, bpp);
+		br13_bits = fast_copy_dword1(ibb->fd, src->tiling, dst->tiling, bpp);
 	}
 
 	if ((src->tiling | dst->tiling) >= I915_TILING_Y) {
@@ -2628,14 +2852,20 @@ void intel_bb_track(bool do_tracking)
 
 static void __intel_bb_reinit_alloc(struct intel_bb *ibb)
 {
+	uint64_t alignment = 0;
+
 	if (ibb->allocator_type == INTEL_ALLOCATOR_NONE)
 		return;
 
-	ibb->allocator_handle = intel_allocator_open_full(ibb->i915, ibb->ctx,
+	if (ibb->driver == INTEL_DRIVER_XE)
+		alignment = xe_get_default_alignment(ibb->fd);
+
+	ibb->allocator_handle = intel_allocator_open_full(ibb->fd, ibb->ctx,
 							  ibb->allocator_start, ibb->allocator_end,
 							  ibb->allocator_type,
 							  ibb->allocator_strategy,
-							  0);
+							  alignment);
+
 	intel_bb_reset(ibb, true);
 }
 
diff --git a/lib/intel_batchbuffer.h b/lib/intel_batchbuffer.h
index 10e4126606..e2566d8223 100644
--- a/lib/intel_batchbuffer.h
+++ b/lib/intel_batchbuffer.h
@@ -235,6 +235,11 @@ struct igt_pxp {
 	uint32_t appid;
 };
 
+enum intel_driver {
+	INTEL_DRIVER_I915 = 1,
+	INTEL_DRIVER_XE,
+};
+
 /*
  * Batchbuffer without libdrm dependency
  */
@@ -246,7 +251,9 @@ struct intel_bb {
 	uint8_t allocator_type;
 	enum allocator_strategy allocator_strategy;
 
-	int i915;
+	enum intel_driver driver;
+	int fd;
+
 	unsigned int gen;
 	bool debug;
 	bool dump_base64;
@@ -268,6 +275,11 @@ struct intel_bb {
 	uint32_t ctx;
 	uint32_t vm_id;
 
+	bool xe_bound;
+	uint32_t engine_syncobj;
+	uint32_t engine_id;
+	uint32_t last_engine;
+
 	/* Context configuration */
 	intel_ctx_cfg_t *cfg;
 
@@ -299,21 +311,21 @@ struct intel_bb {
 };
 
 struct intel_bb *
-intel_bb_create_full(int i915, uint32_t ctx, const intel_ctx_cfg_t *cfg,
+intel_bb_create_full(int fd, uint32_t ctx, const intel_ctx_cfg_t *cfg,
 		     uint32_t size, uint64_t start, uint64_t end,
 		     uint8_t allocator_type, enum allocator_strategy strategy);
 struct intel_bb *
-intel_bb_create_with_allocator(int i915, uint32_t ctx, const intel_ctx_cfg_t *cfg,
+intel_bb_create_with_allocator(int fd, uint32_t ctx, const intel_ctx_cfg_t *cfg,
 			       uint32_t size, uint8_t allocator_type);
-struct intel_bb *intel_bb_create(int i915, uint32_t size);
+struct intel_bb *intel_bb_create(int fd, uint32_t size);
 struct intel_bb *
-intel_bb_create_with_context(int i915, uint32_t ctx, const intel_ctx_cfg_t *cfg,
+intel_bb_create_with_context(int fd, uint32_t ctx, const intel_ctx_cfg_t *cfg,
 			     uint32_t size);
-struct intel_bb *intel_bb_create_with_relocs(int i915, uint32_t size);
+struct intel_bb *intel_bb_create_with_relocs(int fd, uint32_t size);
 struct intel_bb *
-intel_bb_create_with_relocs_and_context(int i915, uint32_t ctx,
+intel_bb_create_with_relocs_and_context(int fd, uint32_t ctx,
 					const intel_ctx_cfg_t *cfg, uint32_t size);
-struct intel_bb *intel_bb_create_no_relocs(int i915, uint32_t size);
+struct intel_bb *intel_bb_create_no_relocs(int fd, uint32_t size);
 void intel_bb_destroy(struct intel_bb *ibb);
 
 /* make it safe to use intel_allocator after failed test */
diff --git a/tests/i915/gem_caching.c b/tests/i915/gem_caching.c
index b6ecd8346c..6e944f0acb 100644
--- a/tests/i915/gem_caching.c
+++ b/tests/i915/gem_caching.c
@@ -83,7 +83,7 @@ copy_bo(struct intel_bb *ibb, struct intel_buf *src, struct intel_buf *dst)
 	intel_bb_add_intel_buf(ibb, src, false);
 	intel_bb_add_intel_buf(ibb, dst, true);
 
-	if (blt_has_xy_src_copy(ibb->i915)) {
+	if (blt_has_xy_src_copy(ibb->fd)) {
 		intel_bb_out(ibb,
 			     XY_SRC_COPY_BLT_CMD |
 			     XY_SRC_COPY_BLT_WRITE_ALPHA |
@@ -93,7 +93,7 @@ copy_bo(struct intel_bb *ibb, struct intel_buf *src, struct intel_buf *dst)
 		intel_bb_out(ibb, (3 << 24) | /* 32 bits */
 			     (0xcc << 16) | /* copy ROP */
 			     4096);
-	} else if (blt_has_fast_copy(ibb->i915)) {
+	} else if (blt_has_fast_copy(ibb->fd)) {
 		intel_bb_out(ibb, XY_FAST_COPY_BLT);
 		intel_bb_out(ibb, XY_FAST_COPY_COLOR_DEPTH_32 | 4096);
 	} else {
diff --git a/tests/i915/gem_pxp.c b/tests/i915/gem_pxp.c
index af657d0e1b..2f27abd582 100644
--- a/tests/i915/gem_pxp.c
+++ b/tests/i915/gem_pxp.c
@@ -809,7 +809,7 @@ static int gem_execbuf_flush_store_dw(int i915, struct intel_bb *ibb, uint32_t c
 	ret = __intel_bb_exec(ibb, intel_bb_offset(ibb),
 				  I915_EXEC_RENDER | I915_EXEC_NO_RELOC, false);
 	if (ret == 0) {
-		gem_sync(ibb->i915, fence->handle);
+		gem_sync(ibb->fd, fence->handle);
 		assert_pipectl_storedw_done(i915, fence->handle);
 	}
 	return ret;
-- 
2.34.1



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