23 	struct cxl_context  *ctx;  in cxl_dev_context_init()  local
29 	ctx = cxl_context_alloc();  in cxl_dev_context_init()
30 	if (IS_ERR(ctx)) {  in cxl_dev_context_init()
31 		rc = PTR_ERR(ctx);  in cxl_dev_context_init()
35 	ctx->kernelapi = true;  in cxl_dev_context_init()
51 	rc = cxl_context_init(ctx, afu, false, mapping);  in cxl_dev_context_init()
55 	cxl_assign_psn_space(ctx);  in cxl_dev_context_init()
57 	return ctx;  in cxl_dev_context_init()
62 	kfree(ctx);  in cxl_dev_context_init()
85 int cxl_release_context(struct cxl_context *ctx)  in cxl_release_context()  argument
87 	if (ctx->status >= STARTED)  in cxl_release_context()
90 	put_device(&ctx->afu->dev);  in cxl_release_context()
92 	cxl_context_free(ctx);  in cxl_release_context()
98 int cxl_allocate_afu_irqs(struct cxl_context *ctx, int num)  in cxl_allocate_afu_irqs()  argument
101 		num = ctx->afu->pp_irqs;  in cxl_allocate_afu_irqs()
102 	return afu_allocate_irqs(ctx, num);  in cxl_allocate_afu_irqs()
106 void cxl_free_afu_irqs(struct cxl_context *ctx)  in cxl_free_afu_irqs()  argument
108 	afu_irq_name_free(ctx);  in cxl_free_afu_irqs()
109 	cxl_release_irq_ranges(&ctx->irqs, ctx->afu->adapter);  in cxl_free_afu_irqs()
113 static irq_hw_number_t cxl_find_afu_irq(struct cxl_context *ctx, int num)  in cxl_find_afu_irq()  argument
121 		range = ctx->irqs.range[r];  in cxl_find_afu_irq()
123 			return ctx->irqs.offset[r] + num;  in cxl_find_afu_irq()
130 int cxl_map_afu_irq(struct cxl_context *ctx, int num,  in cxl_map_afu_irq()  argument
138 	hwirq = cxl_find_afu_irq(ctx, num);  in cxl_map_afu_irq()
142 	return cxl_map_irq(ctx->afu->adapter, hwirq, handler, cookie, name);  in cxl_map_afu_irq()
146 void cxl_unmap_afu_irq(struct cxl_context *ctx, int num, void *cookie)  in cxl_unmap_afu_irq()  argument
151 	hwirq = cxl_find_afu_irq(ctx, num);  in cxl_unmap_afu_irq()
165 int cxl_start_context(struct cxl_context *ctx, u64 wed,  in cxl_start_context()  argument
171 	pr_devel("%s: pe: %i\n", __func__, ctx->pe);  in cxl_start_context()
173 	mutex_lock(&ctx->status_mutex);  in cxl_start_context()
174 	if (ctx->status == STARTED)  in cxl_start_context()
178 		ctx->pid = get_task_pid(task, PIDTYPE_PID);  in cxl_start_context()
179 		get_pid(ctx->pid);  in cxl_start_context()
185 	if ((rc = cxl_attach_process(ctx, kernel, wed , 0))) {  in cxl_start_context()
186 		put_pid(ctx->pid);  in cxl_start_context()
191 	ctx->status = STARTED;  in cxl_start_context()
193 	mutex_unlock(&ctx->status_mutex);  in cxl_start_context()
198 int cxl_process_element(struct cxl_context *ctx)  in cxl_process_element()  argument
200 	return ctx->pe;  in cxl_process_element()
205 int cxl_stop_context(struct cxl_context *ctx)  in cxl_stop_context()  argument
207 	return __detach_context(ctx);  in cxl_stop_context()
211 void cxl_set_master(struct cxl_context *ctx)  in cxl_set_master()  argument
213 	ctx->master = true;  in cxl_set_master()
214 	cxl_assign_psn_space(ctx);  in cxl_set_master()
254 struct file *cxl_get_fd(struct cxl_context *ctx, struct file_operations *fops,  in cxl_get_fd()  argument
282 	file = anon_inode_getfile("cxl", fops, ctx, flags);  in cxl_get_fd()
286 	file->f_mapping = ctx->mapping;  in cxl_get_fd()
303 int cxl_start_work(struct cxl_context *ctx,  in cxl_start_work()  argument
310 		work->num_interrupts = ctx->afu->pp_irqs;  in cxl_start_work()
311 	else if ((work->num_interrupts < ctx->afu->pp_irqs) ||  in cxl_start_work()
312 		 (work->num_interrupts > ctx->afu->irqs_max)) {  in cxl_start_work()
316 	rc = afu_register_irqs(ctx, work->num_interrupts);  in cxl_start_work()
320 	rc = cxl_start_context(ctx, work->work_element_descriptor, current);  in cxl_start_work()
322 		afu_release_irqs(ctx, ctx);  in cxl_start_work()
330 void __iomem *cxl_psa_map(struct cxl_context *ctx)  in cxl_psa_map()  argument
332 	struct cxl_afu *afu = ctx->afu;  in cxl_psa_map()
341 	return ioremap(ctx->psn_phys, ctx->psn_size);  in cxl_psa_map()
351 int cxl_afu_reset(struct cxl_context *ctx)  in cxl_afu_reset()  argument
353 	struct cxl_afu *afu = ctx->afu;  in cxl_afu_reset()