[PATCH i-g-t v2 19/66] tests/xe_eudebug: Add basic vm-bind coverage

[Christoph Manszewski <christoph.manszewski@intel.com>]

Add basic coverage for vm-bind event delivery mechanism that enables the
user to track client vm-bind ioctl calls.

Signed-off-by: Christoph Manszewski <christoph.manszewski@intel.com>
Cc: Dominik Grzegorzek <dominik.grzegorzek@intel.com>
---
 tests/intel/xe_eudebug.c | 117 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 109 insertions(+), 8 deletions(-)

diff --git a/tests/intel/xe_eudebug.c b/tests/intel/xe_eudebug.c
index 5080fdf5b..ce6c37c6d 100644
--- a/tests/intel/xe_eudebug.c
+++ b/tests/intel/xe_eudebug.c
@@ -22,6 +22,41 @@
 #include "xe/xe_ioctl.h"
 #include "xe/xe_query.h"
 
+#define CREATE_VMS (1 << 0)
+#define CREATE_EXEC_QUEUES (1 << 1)
+#define VM_BIND (1 << 2)
+#define VM_BIND_VM_DESTROY (1 << 3)
+#define VM_BIND_EXTENDED (1 << 4)
+
+static void basic_vm_bind_client(int fd, struct xe_eudebug_client *c)
+{
+	uint32_t vm = xe_eudebug_client_vm_create(c, fd, 0, 0);
+	size_t bo_size = xe_get_default_alignment(fd);
+	uint32_t bo = xe_bo_create(fd, 0, bo_size,
+				   system_memory(fd), 0);
+	uint64_t addr = 0x1a0000;
+
+	xe_eudebug_client_vm_bind(c, fd, vm, bo, 0, addr, bo_size);
+	xe_eudebug_client_vm_unbind(c, fd, vm, 0, addr, bo_size);
+
+	gem_close(fd, bo);
+	xe_eudebug_client_vm_destroy(c, fd, vm);
+}
+
+static void basic_vm_bind_vm_destroy_client(int fd, struct xe_eudebug_client *c)
+{
+	uint32_t vm = xe_eudebug_client_vm_create(c, fd, 0, 0);
+	size_t bo_size = xe_get_default_alignment(fd);
+	uint32_t bo = xe_bo_create(fd, 0, bo_size,
+				   system_memory(fd), 0);
+	uint64_t addr = 0x1a0000;
+
+	xe_eudebug_client_vm_bind(c, fd, vm, bo, 0, addr, bo_size);
+	xe_eudebug_client_vm_destroy(c, fd, vm);
+
+	gem_close(fd, bo);
+}
+
 #define BO_ADDR 0x1a0000
 #define BO_ITEMS 4096
 #define MIN_BO_SIZE (BO_ITEMS * sizeof(uint64_t))
@@ -149,8 +184,41 @@ static void check_bind_list(struct bind_list *bl)
 	}
 }
 
-#define CREATE_VMS	(1 << 0)
-#define CREATE_EXEC_QUEUES	(1 << 1)
+static void vm_bind_client(int fd, struct xe_eudebug_client *c)
+{
+	uint64_t op_ref_seqno, ref_seqno;
+	struct bind_list *bl;
+	size_t bo_size = 3 * xe_get_default_alignment(fd);
+	uint32_t bo[2] = {
+		xe_bo_create(fd, 0, bo_size, system_memory(fd), 0),
+		xe_bo_create(fd, 0, bo_size, system_memory(fd), 0),
+	};
+	uint32_t vm = xe_eudebug_client_vm_create(c, fd, 0, 0);
+	uint64_t addr[] = {0x2a0000, 0x3a0000};
+	uint64_t rebind_bo_offset = 2 * bo_size / 3;
+	uint64_t size = bo_size / 3;
+
+	xe_eudebug_client_vm_bind(c, fd, vm, bo[0], 0, addr[0], bo_size);
+	xe_eudebug_client_vm_unbind(c, fd, vm, 0, addr[0] + size, size);
+
+	xe_eudebug_client_vm_bind(c, fd, vm, bo[1], 0, addr[1], bo_size);
+	xe_eudebug_client_vm_bind(c, fd, vm, bo[1], rebind_bo_offset, addr[1], size);
+
+	bl = create_bind_list(fd, system_memory(fd), vm, 4);
+	do_bind_list(c, bl, NULL);
+
+	xe_vm_unbind_all_async(fd, vm, 0, bo[1], NULL, 0);
+
+	xe_eudebug_client_vm_bind_event(c, DRM_XE_EUDEBUG_EVENT_STATE_CHANGE, fd, vm, 0,
+					1, &ref_seqno);
+	xe_eudebug_client_vm_bind_op_event(c, DRM_XE_EUDEBUG_EVENT_DESTROY, ref_seqno,
+					   &op_ref_seqno, 0, 0, 0);
+
+	gem_close(fd, bo[0]);
+	gem_close(fd, bo[1]);
+	xe_eudebug_client_vm_destroy(c, fd, vm);
+}
+
 static void run_basic_client(struct xe_eudebug_client *c)
 {
 	int fd, i;
@@ -216,6 +284,15 @@ static void run_basic_client(struct xe_eudebug_client *c)
 		xe_eudebug_client_vm_destroy(c, fd,  vm);
 	}
 
+	if (c->flags & VM_BIND)
+		basic_vm_bind_client(fd, c);
+
+	if (c->flags & VM_BIND_EXTENDED)
+		vm_bind_client(fd, c);
+
+	if (c->flags & VM_BIND_VM_DESTROY)
+		basic_vm_bind_vm_destroy_client(fd, c);
+
 	xe_device_put(fd);
 	xe_eudebug_client_close_driver(c, fd);
 }
@@ -437,13 +514,28 @@ static void test_read_event(int fd)
  * Description:
  *	Attach the debugger to process which creates and destroys a few %arg[1].
  *
+ * SUBTEST: basic-vm-bind
+ * Description:
+ *	Attach the debugger to a process that performs synchronous vm bind
+ *	and vm unbind.
+ *
+ * SUBTEST: basic-vm-bind-vm-destroy
+ * Description:
+ *	Attach the debugger to a process that performs vm bind, and destroys
+ *	the vm without unbinding. Make sure that we don't get unbind events.
+ *
+ * SUBTEST: basic-vm-bind-extended
+ * Description:
+ *	Attach the debugger to a process that performs bind, bind array, rebind,
+ *	partial unbind, unbind and unbind all operations.
+ *
  * arg[1]:
  *
  * @vms: vms
  * @exec-queues: exec queues
  */
 
-static void test_basic_sessions(int fd, unsigned int flags, int count)
+static void test_basic_sessions(int fd, unsigned int flags, int count, bool match_opposite)
 {
 	struct xe_eudebug_session **s;
 	int i;
@@ -459,7 +551,7 @@ static void test_basic_sessions(int fd, unsigned int flags, int count)
 		xe_eudebug_session_run(s[i]);
 
 	for (i = 0; i < count; i++)
-		xe_eudebug_session_check(s[i], true, 0);
+		xe_eudebug_session_check(s[i], match_opposite, 0);
 
 	for (i = 0; i < count; i++)
 		xe_eudebug_session_destroy(s[i]);
@@ -904,19 +996,28 @@ igt_main
 		test_read_event(fd);
 
 	igt_subtest("basic-client")
-		test_basic_sessions(fd, 0, 1);
+		test_basic_sessions(fd, 0, 1, true);
 
 	igt_subtest("basic-vm-access")
 		test_vm_access(fd, 0, 1);
 
 	igt_subtest("multiple-sessions")
-		test_basic_sessions(fd, CREATE_VMS | CREATE_EXEC_QUEUES, 4);
+		test_basic_sessions(fd, CREATE_VMS | CREATE_EXEC_QUEUES, 4, true);
 
 	igt_subtest("basic-vms")
-		test_basic_sessions(fd, CREATE_VMS, 1);
+		test_basic_sessions(fd, CREATE_VMS, 1, true);
 
 	igt_subtest("basic-exec-queues")
-		test_basic_sessions(fd, CREATE_EXEC_QUEUES, 1);
+		test_basic_sessions(fd, CREATE_EXEC_QUEUES, 1, true);
+
+	igt_subtest("basic-vm-bind")
+		test_basic_sessions(fd, VM_BIND, 1, true);
+
+	igt_subtest("basic-vm-bind-vm-destroy")
+		test_basic_sessions(fd, VM_BIND_VM_DESTROY, 1, false);
+
+	igt_subtest("basic-vm-bind-extended")
+		test_basic_sessions(fd, VM_BIND_EXTENDED, 1, true);
 
 	igt_subtest("discovery-race")
 		test_race_discovery(fd, 0, 4);
-- 
2.34.1