30 	struct afu_irq *irq = (struct afu_irq *) data;  in afu_irq_handler()  local
33 	if (irq->ev_ctx)  in afu_irq_handler()
34 		eventfd_signal(irq->ev_ctx, 1);  in afu_irq_handler()
38 static int setup_afu_irq(struct ocxl_context *ctx, struct afu_irq *irq)  in setup_afu_irq()  argument
42 	irq->virq = irq_create_mapping(NULL, irq->hw_irq);  in setup_afu_irq()
43 	if (!irq->virq) {  in setup_afu_irq()
47 	pr_debug("hw_irq %d mapped to virq %u\n", irq->hw_irq, irq->virq);  in setup_afu_irq()
49 	irq->name = kasprintf(GFP_KERNEL, "ocxl-afu-%u", irq->virq);  in setup_afu_irq()
50 	if (!irq->name) {  in setup_afu_irq()
51 		irq_dispose_mapping(irq->virq);  in setup_afu_irq()
55 	rc = request_irq(irq->virq, afu_irq_handler, 0, irq->name, irq);  in setup_afu_irq()
57 		kfree(irq->name);  in setup_afu_irq()
58 		irq->name = NULL;  in setup_afu_irq()
59 		irq_dispose_mapping(irq->virq);  in setup_afu_irq()
66 static void release_afu_irq(struct afu_irq *irq)  in release_afu_irq()  argument
68 	free_irq(irq->virq, irq);  in release_afu_irq()
69 	irq_dispose_mapping(irq->virq);  in release_afu_irq()
70 	kfree(irq->name);  in release_afu_irq()
75 	struct afu_irq *irq;  in ocxl_afu_irq_alloc()  local
78 	irq = kzalloc(sizeof(struct afu_irq), GFP_KERNEL);  in ocxl_afu_irq_alloc()
79 	if (!irq)  in ocxl_afu_irq_alloc()
89 	irq->id = idr_alloc(&ctx->irq_idr, irq, 0, MAX_IRQ_PER_CONTEXT,  in ocxl_afu_irq_alloc()
91 	if (irq->id < 0) {  in ocxl_afu_irq_alloc()
96 	rc = ocxl_link_irq_alloc(ctx->afu->fn->link, &irq->hw_irq,  in ocxl_afu_irq_alloc()
97 				&irq->trigger_page);  in ocxl_afu_irq_alloc()
101 	rc = setup_afu_irq(ctx, irq);  in ocxl_afu_irq_alloc()
105 	*irq_offset = irq_id_to_offset(ctx, irq->id);  in ocxl_afu_irq_alloc()
107 	trace_ocxl_afu_irq_alloc(ctx->pasid, irq->id, irq->virq, irq->hw_irq,  in ocxl_afu_irq_alloc()
113 	ocxl_link_free_irq(ctx->afu->fn->link, irq->hw_irq);  in ocxl_afu_irq_alloc()
115 	idr_remove(&ctx->irq_idr, irq->id);  in ocxl_afu_irq_alloc()
118 	kfree(irq);  in ocxl_afu_irq_alloc()
122 static void afu_irq_free(struct afu_irq *irq, struct ocxl_context *ctx)  in afu_irq_free()  argument
124 	trace_ocxl_afu_irq_free(ctx->pasid, irq->id);  in afu_irq_free()
127 				irq_id_to_offset(ctx, irq->id),  in afu_irq_free()
129 	release_afu_irq(irq);  in afu_irq_free()
130 	if (irq->ev_ctx)  in afu_irq_free()
131 		eventfd_ctx_put(irq->ev_ctx);  in afu_irq_free()
132 	ocxl_link_free_irq(ctx->afu->fn->link, irq->hw_irq);  in afu_irq_free()
133 	kfree(irq);  in afu_irq_free()
138 	struct afu_irq *irq;  in ocxl_afu_irq_free()  local
143 	irq = idr_find(&ctx->irq_idr, id);  in ocxl_afu_irq_free()
144 	if (!irq) {  in ocxl_afu_irq_free()
148 	idr_remove(&ctx->irq_idr, irq->id);  in ocxl_afu_irq_free()
149 	afu_irq_free(irq, ctx);  in ocxl_afu_irq_free()
156 	struct afu_irq *irq;  in ocxl_afu_irq_free_all()  local
160 	idr_for_each_entry(&ctx->irq_idr, irq, id)  in ocxl_afu_irq_free_all()
161 		afu_irq_free(irq, ctx);  in ocxl_afu_irq_free_all()
167 	struct afu_irq *irq;  in ocxl_afu_irq_set_fd()  local
172 	irq = idr_find(&ctx->irq_idr, id);  in ocxl_afu_irq_set_fd()
173 	if (!irq) {  in ocxl_afu_irq_set_fd()
184 	irq->ev_ctx = ev_ctx;  in ocxl_afu_irq_set_fd()
192 	struct afu_irq *irq;  in ocxl_afu_irq_get_addr()  local
197 	irq = idr_find(&ctx->irq_idr, id);  in ocxl_afu_irq_get_addr()
198 	if (irq)  in ocxl_afu_irq_get_addr()
199 		addr = irq->trigger_page;  in ocxl_afu_irq_get_addr()