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2024-01-04 1543e317f1da31b75942316931e8f491a8920811 
 kernel/drivers/gpu/arm/bifrost/csf/mali_kbase_csf_kcpu.h
....@@ -1,7 +1,7 @@
11 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
22 /*
33  *
4
- * (C) COPYRIGHT 2018-2021 ARM Limited. All rights reserved.
4
+ * (C) COPYRIGHT 2018-2023 ARM Limited. All rights reserved.
55  *
66  * This program is free software and is provided to you under the terms of the
77  * GNU General Public License version 2 as published by the Free Software
....@@ -21,6 +21,9 @@
2121 
2222 #ifndef _KBASE_CSF_KCPU_H_
2323 #define _KBASE_CSF_KCPU_H_
24
+
25
+#include <mali_kbase_fence.h>
26
+#include <mali_kbase_sync.h>
2427 
2528 #if (KERNEL_VERSION(4, 10, 0) > LINUX_VERSION_CODE)
2629 #include <linux/fence.h>
....@@ -44,12 +47,12 @@
4447 };
4548 
4649 /**
47
- * struct kbase_kcpu_command_fence_info - Structure which holds information
48
- *		about the fence object enqueued in the kcpu command queue
50
+ * struct kbase_kcpu_command_fence_info - Structure which holds information about the
51
+ *                                        fence object enqueued in the kcpu command queue
4952  *
50
- * @fence_cb:   Fence callback
51
- * @fence:      Fence
52
- * @kcpu_queue: kcpu command queue
53
+ * @fence_cb:      Fence callback
54
+ * @fence:         Fence
55
+ * @kcpu_queue:    kcpu command queue
5356  */
5457 struct kbase_kcpu_command_fence_info {
5558 #if (KERNEL_VERSION(4, 10, 0) > LINUX_VERSION_CODE)
....@@ -117,6 +120,8 @@
117120  * @signaled:	Bit array used to report the status of the CQS wait objects.
118121  *              1 is signaled, 0 otherwise.
119122  * @nr_objs:	Number of CQS objects in the array.
123
+ * @inherit_err_flags: Bit-pattern for CQSs in the array who's error field is to
124
+ *                     be used as the source to import into the queue's error-state
120125  */
121126 struct kbase_kcpu_command_cqs_wait_operation_info {
122127 	struct base_cqs_wait_operation_info *objs;
....@@ -181,8 +186,9 @@
181186 	struct kbase_mem_phy_alloc *cpu_alloc;
182187 };
183188 
189
+#if IS_ENABLED(CONFIG_MALI_VECTOR_DUMP) || MALI_UNIT_TEST
184190 /**
185
- * struct base_kcpu_command_group_suspend - structure which contains
191
+ * struct kbase_kcpu_command_group_suspend_info - structure which contains
186192  *		suspend buffer data captured for a suspended queue group.
187193  *
188194  * @sus_buf:		Pointer to the structure which contains details of the
....@@ -193,17 +199,11 @@
193199 	struct kbase_suspend_copy_buffer *sus_buf;
194200 	u8 group_handle;
195201 };
202
+#endif
196203 
197
-#if MALI_UNIT_TEST
198
-struct kbase_kcpu_command_sample_time_info {
199
-	u64 page_addr;
200
-	u64 page_offset;
201
-	struct page **page;
202
-};
203
-#endif /* MALI_UNIT_TEST */
204204 
205205 /**
206
- * struct kbase_cpu_command - Command which is to be part of the kernel
206
+ * struct kbase_kcpu_command - Command which is to be part of the kernel
207207  *                            command queue
208208  *
209209  * @type:	Type of the command.
....@@ -211,14 +211,16 @@
211211  *		indicates that it has been enqueued earlier.
212212  * @info:	Structure which holds information about the command
213213  *		dependent on the command type.
214
- * @info.fence:            Fence
215
- * @info.cqs_wait:         CQS wait
216
- * @info.cqs_set:          CQS set
217
- * @info.import:           import
218
- * @info.jit_alloc:        jit allocation
219
- * @info.jit_free:         jit deallocation
220
- * @info.suspend_buf_copy: suspend buffer copy
221
- * @info.sample_time:      sample time
214
+ * @info.fence:              Fence
215
+ * @info.cqs_wait:           CQS wait
216
+ * @info.cqs_set:            CQS set
217
+ * @info.cqs_wait_operation: CQS wait operation
218
+ * @info.cqs_set_operation:  CQS set operation
219
+ * @info.import:             import
220
+ * @info.jit_alloc:          JIT allocation
221
+ * @info.jit_free:           JIT deallocation
222
+ * @info.suspend_buf_copy:   suspend buffer copy
223
+ * @info.sample_time:        sample time
222224  */
223225 struct kbase_kcpu_command {
224226 	enum base_kcpu_command_type type;
....@@ -232,19 +234,20 @@
232234 		struct kbase_kcpu_command_import_info import;
233235 		struct kbase_kcpu_command_jit_alloc_info jit_alloc;
234236 		struct kbase_kcpu_command_jit_free_info jit_free;
237
+#if IS_ENABLED(CONFIG_MALI_VECTOR_DUMP) || MALI_UNIT_TEST
235238 		struct kbase_kcpu_command_group_suspend_info suspend_buf_copy;
236
-#if MALI_UNIT_TEST
237
-		struct kbase_kcpu_command_sample_time_info sample_time;
238
-#endif /* MALI_UNIT_TEST */
239
+#endif
239240 	} info;
240241 };
241242 
242243 /**
243244  * struct kbase_kcpu_command_queue - a command queue executed by the kernel
244245  *
246
+ * @lock:			Lock to protect accesses to this queue.
245247  * @kctx:			The context to which this command queue belongs.
246248  * @commands:			Array of commands which have been successfully
247249  *				enqueued to this command queue.
250
+ * @wq:				Dedicated workqueue for processing commands.
248251  * @work:			struct work_struct which contains a pointer to
249252  *				the function which handles processing of kcpu
250253  *				commands enqueued into a kcpu command queue;
....@@ -277,10 +280,15 @@
277280  *				or without errors since last cleaned.
278281  * @jit_blocked:		Used to keep track of command queues blocked
279282  *				by a pending JIT allocation command.
283
+ * @fence_timeout:		Timer used to detect the fence wait timeout.
284
+ * @metadata:                   Metadata structure containing basic information about
285
+ *                              this queue for any fence objects associated with this queue.
280286  */
281287 struct kbase_kcpu_command_queue {
288
+	struct mutex lock;
282289 	struct kbase_context *kctx;
283290 	struct kbase_kcpu_command commands[KBASEP_KCPU_QUEUE_SIZE];
291
+	struct workqueue_struct *wq;
284292 	struct work_struct work;
285293 	u8 start_offset;
286294 	u8 id;
....@@ -293,6 +301,12 @@
293301 	bool command_started;
294302 	struct list_head jit_blocked;
295303 	bool has_error;
304
+#ifdef CONFIG_MALI_BIFROST_FENCE_DEBUG
305
+	struct timer_list fence_timeout;
306
+#endif /* CONFIG_MALI_BIFROST_FENCE_DEBUG */
307
+#if IS_ENABLED(CONFIG_SYNC_FILE)
308
+	struct kbase_kcpu_dma_fence_meta *metadata;
309
+#endif /* CONFIG_SYNC_FILE */
296310 };
297311 
298312 /**
....@@ -302,6 +316,8 @@
302316  *		queue will be created.
303317  * @newq:	Pointer to the structure which contains information about
304318  *		the new KCPU command queue to be created.
319
+ *
320
+ * Return: 0 if successful or a negative error code on failure.
305321  */
306322 int kbase_csf_kcpu_queue_new(struct kbase_context *kctx,
307323 			 struct kbase_ioctl_kcpu_queue_new *newq);
....@@ -309,12 +325,12 @@
309325 /**
310326  * kbase_csf_kcpu_queue_delete - Delete KCPU command queue.
311327  *
312
- * Return: 0 if successful, -EINVAL if the queue ID is invalid.
313
- *
314328  * @kctx:	Pointer to the kbase context from which the KCPU command
315329  *		queue is to be deleted.
316330  * @del:	Pointer to the structure which specifies the KCPU command
317331  *		queue to be deleted.
332
+ *
333
+ * Return: 0 if successful or a negative error code on failure.
318334  */
319335 int kbase_csf_kcpu_queue_delete(struct kbase_context *kctx,
320336 			    struct kbase_ioctl_kcpu_queue_delete *del);
....@@ -328,6 +344,8 @@
328344  * @enq:	Pointer to the structure which specifies the KCPU command
329345  *		as well as the KCPU command queue into which the command
330346  *		is to be enqueued.
347
+ *
348
+ * Return: 0 if successful or a negative error code on failure.
331349  */
332350 int kbase_csf_kcpu_queue_enqueue(struct kbase_context *kctx,
333351 				 struct kbase_ioctl_kcpu_queue_enqueue *enq);
....@@ -345,12 +363,22 @@
345363 /**
346364  * kbase_csf_kcpu_queue_context_term - Terminate the kernel CPU queues context
347365  *                                     for a GPU address space
366
+ * @kctx: Pointer to the kbase context being terminated.
348367  *
349368  * This function deletes any kernel CPU queues that weren't deleted before
350369  * context termination.
351370  *
352
- * @kctx: Pointer to the kbase context being terminated.
353371  */
354372 void kbase_csf_kcpu_queue_context_term(struct kbase_context *kctx);
355373 
374
+#if IS_ENABLED(CONFIG_SYNC_FILE)
375
+/* Test wrappers for dma fence operations. */
376
+int kbase_kcpu_fence_signal_process(struct kbase_kcpu_command_queue *kcpu_queue,
377
+				    struct kbase_kcpu_command_fence_info *fence_info);
378
+
379
+int kbase_kcpu_fence_signal_init(struct kbase_kcpu_command_queue *kcpu_queue,
380
+				 struct kbase_kcpu_command *current_command,
381
+				 struct base_fence *fence, struct sync_file **sync_file, int *fd);
382
+#endif /* CONFIG_SYNC_FILE */
383
+
356384 #endif /* _KBASE_CSF_KCPU_H_ */