[igt-dev] [RFC v1 12/20] drm-uapi/xe: Kill VM_MADVISE IOCTL and the atomic tests
Francois Dugast
francois.dugast at intel.com
Wed Oct 11 14:18:33 UTC 2023
From: Rodrigo Vivi <rodrigo.vivi at intel.com>
Align with commit ("drm/xe/uapi: Kill VM_MADVISE IOCTL").
Cc: Francois Dugast <francois.dugast at intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
---
include/drm-uapi/xe_drm.h | 92 ++--------------
lib/xe/xe_ioctl.c | 14 ---
lib/xe/xe_ioctl.h | 2 -
tests/intel/xe_exec_fault_mode.c | 174 ++-----------------------------
4 files changed, 20 insertions(+), 262 deletions(-)
diff --git a/include/drm-uapi/xe_drm.h b/include/drm-uapi/xe_drm.h
index 09e6bef79..85f419d16 100644
--- a/include/drm-uapi/xe_drm.h
+++ b/include/drm-uapi/xe_drm.h
@@ -103,28 +103,26 @@ struct xe_user_extension {
#define DRM_XE_VM_CREATE 0x03
#define DRM_XE_VM_DESTROY 0x04
#define DRM_XE_VM_BIND 0x05
-#define DRM_XE_EXEC_QUEUE_CREATE 0x06
-#define DRM_XE_EXEC_QUEUE_DESTROY 0x07
-#define DRM_XE_EXEC 0x08
+#define DRM_XE_EXEC 0x06
+#define DRM_XE_EXEC_QUEUE_CREATE 0x07
+#define DRM_XE_EXEC_QUEUE_DESTROY 0x08
#define DRM_XE_EXEC_QUEUE_SET_PROPERTY 0x09
-#define DRM_XE_WAIT_USER_FENCE 0x0a
-#define DRM_XE_VM_MADVISE 0x0b
-#define DRM_XE_EXEC_QUEUE_GET_PROPERTY 0x0c
-
+#define DRM_XE_EXEC_QUEUE_GET_PROPERTY 0x0a
+#define DRM_XE_WAIT_USER_FENCE 0x0b
/* Must be kept compact -- no holes */
+
#define DRM_IOCTL_XE_DEVICE_QUERY DRM_IOWR(DRM_COMMAND_BASE + DRM_XE_DEVICE_QUERY, struct drm_xe_device_query)
#define DRM_IOCTL_XE_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_XE_GEM_CREATE, struct drm_xe_gem_create)
#define DRM_IOCTL_XE_GEM_MMAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + DRM_XE_GEM_MMAP_OFFSET, struct drm_xe_gem_mmap_offset)
#define DRM_IOCTL_XE_VM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_XE_VM_CREATE, struct drm_xe_vm_create)
-#define DRM_IOCTL_XE_VM_DESTROY DRM_IOW(DRM_COMMAND_BASE + DRM_XE_VM_DESTROY, struct drm_xe_vm_destroy)
-#define DRM_IOCTL_XE_VM_BIND DRM_IOW(DRM_COMMAND_BASE + DRM_XE_VM_BIND, struct drm_xe_vm_bind)
+#define DRM_IOCTL_XE_VM_DESTROY DRM_IOW(DRM_COMMAND_BASE + DRM_XE_VM_DESTROY, struct drm_xe_vm_destroy)
+#define DRM_IOCTL_XE_VM_BIND DRM_IOW(DRM_COMMAND_BASE + DRM_XE_VM_BIND, struct drm_xe_vm_bind)
+#define DRM_IOCTL_XE_EXEC DRM_IOW(DRM_COMMAND_BASE + DRM_XE_EXEC, struct drm_xe_exec)
#define DRM_IOCTL_XE_EXEC_QUEUE_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_XE_EXEC_QUEUE_CREATE, struct drm_xe_exec_queue_create)
+#define DRM_IOCTL_XE_EXEC_QUEUE_DESTROY DRM_IOW(DRM_COMMAND_BASE + DRM_XE_EXEC_QUEUE_DESTROY, struct drm_xe_exec_queue_destroy)
+#define DRM_IOCTL_XE_EXEC_QUEUE_SET_PROPERTY DRM_IOW(DRM_COMMAND_BASE + DRM_XE_EXEC_QUEUE_SET_PROPERTY, struct drm_xe_exec_queue_set_property)
#define DRM_IOCTL_XE_EXEC_QUEUE_GET_PROPERTY DRM_IOWR(DRM_COMMAND_BASE + DRM_XE_EXEC_QUEUE_GET_PROPERTY, struct drm_xe_exec_queue_get_property)
-#define DRM_IOCTL_XE_EXEC_QUEUE_DESTROY DRM_IOW(DRM_COMMAND_BASE + DRM_XE_EXEC_QUEUE_DESTROY, struct drm_xe_exec_queue_destroy)
-#define DRM_IOCTL_XE_EXEC DRM_IOW(DRM_COMMAND_BASE + DRM_XE_EXEC, struct drm_xe_exec)
-#define DRM_IOCTL_XE_EXEC_QUEUE_SET_PROPERTY DRM_IOW(DRM_COMMAND_BASE + DRM_XE_EXEC_QUEUE_SET_PROPERTY, struct drm_xe_exec_queue_set_property)
#define DRM_IOCTL_XE_WAIT_USER_FENCE DRM_IOWR(DRM_COMMAND_BASE + DRM_XE_WAIT_USER_FENCE, struct drm_xe_wait_user_fence)
-#define DRM_IOCTL_XE_VM_MADVISE DRM_IOW(DRM_COMMAND_BASE + DRM_XE_VM_MADVISE, struct drm_xe_vm_madvise)
/**
* struct drm_xe_engine_class_instance - instance of an engine class
@@ -1069,74 +1067,6 @@ struct drm_xe_wait_user_fence {
__u64 reserved[2];
};
-/**
- * struct drm_xe_vm_madvise - give advice about use of memory
- *
- * The @property can be:
- * - %DRM_XE_VM_MADVISE_PREFERRED_MEM_CLASS - Setting the preferred
- * location will trigger a migrate of the VMA backing store to new
- * location if the backing store is already allocated.
- * For DRM_XE_VM_MADVISE_PREFERRED_MEM_CLASS usage, see enum
- * drm_xe_memory_class.
- * - %DRM_XE_VM_MADVISE_PREFERRED_GT
- * - %DRM_XE_VM_MADVISE_PREFERRED_MEM_CLASS_GT - In this case lower 32 bits
- * are mem class, upper 32 are GT. Combination provides a single IOCTL
- * plus migrate VMA to preferred location.
- * - %DRM_XE_VM_MADVISE_CPU_ATOMIC - The CPU will do atomic memory
- * operations to this VMA. Must be set on some devices for atomics to
- * behave correctly.
- * - %DRM_XE_VM_MADVISE_DEVICE_ATOMIC - The device will do atomic memory
- * operations to this VMA. Must be set on some devices for atomics to
- * behave correctly.
- * - %DRM_XE_VM_MADVISE_PRIORITY - Priority WRT to eviction (moving from
- * preferred memory location due to memory pressure). The lower the
- * priority, the more likely to be evicted.
- *
- * - %DRM_XE_VMA_PRIORITY_LOW
- * - %DRM_XE_VMA_PRIORITY_NORMAL - Default
- * - %DRM_XE_VMA_PRIORITY_HIGH - Must be user with elevated privileges
- * - %DRM_XE_VM_MADVISE_PIN - Pin the VMA in memory, must be user with
- * elevated privileges
- */
-struct drm_xe_vm_madvise {
- /** @extensions: Pointer to the first extension struct, if any */
- __u64 extensions;
-
- /** @vm_id: The ID VM in which the VMA exists */
- __u32 vm_id;
-
- /** @pad: MBZ */
- __u32 pad;
-
- /** @range: Number of bytes in the VMA */
- __u64 range;
-
- /** @addr: Address of the VMA to operation on */
- __u64 addr;
-
-#define DRM_XE_VM_MADVISE_PREFERRED_MEM_CLASS 0
-#define DRM_XE_VM_MADVISE_PREFERRED_GT 1
-#define DRM_XE_VM_MADVISE_PREFERRED_MEM_CLASS_GT 2
-#define DRM_XE_VM_MADVISE_CPU_ATOMIC 3
-#define DRM_XE_VM_MADVISE_DEVICE_ATOMIC 4
-#define DRM_XE_VM_MADVISE_PRIORITY 5
-#define DRM_XE_VMA_PRIORITY_LOW 0
-#define DRM_XE_VMA_PRIORITY_NORMAL 1
-#define DRM_XE_VMA_PRIORITY_HIGH 2
-#define DRM_XE_VM_MADVISE_PIN 6
- /** @property: property to set */
- __u32 property;
-
- /** @pad2: MBZ */
- __u32 pad2;
-
- /** @value: property value */
- __u64 value;
-
- /** @reserved: Reserved */
- __u64 reserved[2];
-};
-
/**
* DOC: XE PMU event config IDs
*
diff --git a/lib/xe/xe_ioctl.c b/lib/xe/xe_ioctl.c
index 06c3cb782..db41d5ba5 100644
--- a/lib/xe/xe_ioctl.c
+++ b/lib/xe/xe_ioctl.c
@@ -475,17 +475,3 @@ void xe_force_gt_reset(int fd, int gt)
minor(st.st_rdev), gt);
system(reset_string);
}
-
-void xe_vm_madvise(int fd, uint32_t vm, uint64_t addr, uint64_t size,
- uint32_t property, uint32_t value)
-{
- struct drm_xe_vm_madvise madvise = {
- .vm_id = vm,
- .range = size,
- .addr = addr,
- .property = property,
- .value = value,
- };
-
- igt_assert_eq(igt_ioctl(fd, DRM_IOCTL_XE_VM_MADVISE, &madvise), 0);
-}
diff --git a/lib/xe/xe_ioctl.h b/lib/xe/xe_ioctl.h
index a8dbcf376..d9c97bf22 100644
--- a/lib/xe/xe_ioctl.h
+++ b/lib/xe/xe_ioctl.h
@@ -90,7 +90,5 @@ int64_t xe_wait_ufence_abstime(int fd, uint64_t *addr, uint64_t value,
struct drm_xe_engine_class_instance *eci,
int64_t timeout);
void xe_force_gt_reset(int fd, int gt);
-void xe_vm_madvise(int fd, uint32_t vm, uint64_t addr, uint64_t size,
- uint32_t property, uint32_t value);
#endif /* XE_IOCTL_H */
diff --git a/tests/intel/xe_exec_fault_mode.c b/tests/intel/xe_exec_fault_mode.c
index b66f31419..92d552f97 100644
--- a/tests/intel/xe_exec_fault_mode.c
+++ b/tests/intel/xe_exec_fault_mode.c
@@ -23,15 +23,15 @@
#include <string.h>
#define MAX_N_EXEC_QUEUES 16
-#define USERPTR (0x1 << 0)
-#define REBIND (0x1 << 1)
-#define INVALIDATE (0x1 << 2)
-#define RACE (0x1 << 3)
-#define BIND_EXEC_QUEUE (0x1 << 4)
-#define WAIT_ATOMIC (0x1 << 5)
-#define IMMEDIATE (0x1 << 6)
-#define PREFETCH (0x1 << 7)
-#define INVALID_FAULT (0x1 << 8)
+
+#define USERPTR (0x1 << 0)
+#define REBIND (0x1 << 1)
+#define INVALIDATE (0x1 << 2)
+#define RACE (0x1 << 3)
+#define BIND_EXEC_QUEUE (0x1 << 4)
+#define IMMEDIATE (0x1 << 5)
+#define PREFETCH (0x1 << 6)
+#define INVALID_FAULT (0x1 << 7)
/**
* SUBTEST: once-%s
@@ -317,146 +317,6 @@ test_exec(int fd, struct drm_xe_engine_class_instance *eci,
close(map_fd);
}
-#define MI_ATOMIC_INLINE_DATA (1 << 18)
-#define MI_ATOMIC_ADD (0x7 << 8)
-
-/**
- * SUBTEST: atomic-once
- * Description: Run atomic fault mode test only once
- * Test category: functionality test
- *
- * SUBTEST: atomic-once-wait
- * Description: Run atomic wait fault mode test once
- * Test category: functionality test
- *
- * SUBTEST: atomic-many
- * Description: Run atomic fault mode test many times
- * Description: atomic many
- * Test category: functionality test
- *
- * SUBTEST: atomic-many-wait
- * Description: Run atomic wait fault mode test many times
- * Test category: functionality test
- *
- */
-static void
-test_atomic(int fd, struct drm_xe_engine_class_instance *eci,
- int n_atomic, unsigned int flags)
-{
- uint32_t vm;
- uint64_t addr = 0x1a0000, addr_wait;
-#define USER_FENCE_VALUE 0xdeadbeefdeadbeefull
- struct drm_xe_sync sync[1] = {
- { .flags = DRM_XE_SYNC_FLAG_USER_FENCE | DRM_XE_SYNC_FLAG_SIGNAL,
- .timeline_value = USER_FENCE_VALUE },
- };
- struct drm_xe_exec exec = {
- .num_batch_buffer = 1,
- .num_syncs = 1,
- .syncs = to_user_pointer(sync),
- };
- uint32_t exec_queue;
- size_t bo_size;
- uint32_t bo, bo_wait;
- struct {
- uint32_t batch[16];
- uint64_t pad;
- uint64_t vm_sync;
- uint64_t exec_sync;
- uint32_t data;
- } *data;
- struct {
- uint32_t batch[16];
- uint64_t pad;
- uint64_t vm_sync;
- uint64_t exec_sync;
- uint32_t data;
- } *wait;
- uint32_t *ptr;
- int i, b, wait_idx = 0;
-
- vm = xe_vm_create(fd, DRM_XE_VM_CREATE_FLAG_ASYNC_DEFAULT |
- DRM_XE_VM_CREATE_FLAG_FAULT_MODE, 0);
- bo_size = sizeof(*data) * n_atomic;
- bo_size = ALIGN(bo_size + xe_cs_prefetch_size(fd),
- xe_get_default_alignment(fd));
- addr_wait = addr + bo_size;
-
- bo = xe_bo_create_flags(fd, vm, bo_size,
- all_memory_regions(fd) |
- visible_vram_if_possible(fd, 0));
- bo_wait = xe_bo_create_flags(fd, vm, bo_size,
- visible_vram_if_possible(fd, eci->gt_id));
- data = xe_bo_map(fd, bo, bo_size);
- wait = xe_bo_map(fd, bo_wait, bo_size);
- ptr = &data[0].data;
- memset(data, 0, bo_size);
- memset(wait, 0, bo_size);
-
- exec_queue = xe_exec_queue_create(fd, vm, eci, 0);
-
- sync[0].addr = to_user_pointer(&wait[wait_idx].vm_sync);
- xe_vm_bind_async(fd, vm, 0, bo, 0, addr, bo_size, sync, 1);
- xe_wait_ufence(fd, &wait[wait_idx++].vm_sync, USER_FENCE_VALUE, NULL,
- ONE_SEC);
-
- sync[0].addr = to_user_pointer(&wait[wait_idx].vm_sync);
- xe_vm_bind_async(fd, vm, 0, bo_wait, 0, addr_wait, bo_size, sync, 1);
- xe_wait_ufence(fd, &wait[wait_idx++].vm_sync, USER_FENCE_VALUE, NULL,
- ONE_SEC);
-
- xe_vm_madvise(fd, vm, addr, bo_size, DRM_XE_VM_MADVISE_CPU_ATOMIC, 1);
- xe_vm_madvise(fd, vm, addr, bo_size, DRM_XE_VM_MADVISE_DEVICE_ATOMIC, 1);
-
- for (i = 0; i < n_atomic; i++) {
- uint64_t batch_offset = (char *)&data[i].batch - (char *)data;
- uint64_t batch_addr = addr + batch_offset;
- uint64_t sdi_offset = (char *)&data[0].data - (char *)data;
- uint64_t sdi_addr = addr + sdi_offset;
-
- b = 0;
- data[i].batch[b++] = MI_ATOMIC | MI_ATOMIC_INLINE_DATA |
- MI_ATOMIC_ADD;
- data[i].batch[b++] = sdi_addr;
- data[i].batch[b++] = sdi_addr >> 32;
- data[i].batch[b++] = 1;
- data[i].batch[b++] = MI_BATCH_BUFFER_END;
-
- sync[0].addr = addr_wait +
- (char *)&wait[i].exec_sync - (char *)wait;
-
- exec.exec_queue_id = exec_queue;
- exec.address = batch_addr;
- xe_exec(fd, &exec);
-
- if (flags & WAIT_ATOMIC)
- xe_wait_ufence(fd, &wait[i].exec_sync, USER_FENCE_VALUE,
- NULL, ONE_SEC);
- __atomic_add_fetch(ptr, 1, __ATOMIC_SEQ_CST);
- }
-
- xe_wait_ufence(fd, &wait[n_atomic - 1].exec_sync, USER_FENCE_VALUE,
- NULL, ONE_SEC);
- igt_assert(*ptr == n_atomic * 2);
-
- sync[0].addr = to_user_pointer(&wait[wait_idx].vm_sync);
- xe_vm_unbind_async(fd, vm, 0, 0, addr, bo_size, sync, 1);
- xe_wait_ufence(fd, &wait[wait_idx++].vm_sync, USER_FENCE_VALUE, NULL,
- ONE_SEC);
-
- sync[0].addr = to_user_pointer(&wait[wait_idx].vm_sync);
- xe_vm_unbind_async(fd, vm, 0, 0, addr_wait, bo_size, sync, 1);
- xe_wait_ufence(fd, &wait[wait_idx++].vm_sync, USER_FENCE_VALUE, NULL,
- ONE_SEC);
-
- xe_exec_queue_destroy(fd, exec_queue);
- munmap(data, bo_size);
- munmap(wait, bo_size);
- gem_close(fd, bo);
- gem_close(fd, bo_wait);
- xe_vm_destroy(fd, vm);
-}
-
igt_main
{
struct drm_xe_engine_class_instance *hwe;
@@ -546,22 +406,6 @@ igt_main
s->flags);
}
- igt_subtest("atomic-once")
- xe_for_each_hw_engine(fd, hwe)
- test_atomic(fd, hwe, 1, 0);
-
- igt_subtest("atomic-once-wait")
- xe_for_each_hw_engine(fd, hwe)
- test_atomic(fd, hwe, 1, WAIT_ATOMIC);
-
- igt_subtest("atomic-many")
- xe_for_each_hw_engine(fd, hwe)
- test_atomic(fd, hwe, 8, 0);
-
- igt_subtest("atomic-many-wait")
- xe_for_each_hw_engine(fd, hwe)
- test_atomic(fd, hwe, 8, WAIT_ATOMIC);
-
igt_fixture
drm_close_driver(fd);
}
--
2.34.1
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