dev/smartpqi/smartpqi_intr.c

35 int os_get_processor_config(pqisrc_softstate_t *softs)
38 	softs->num_cpus_online = mp_ncpus;
47 int os_get_intr_config(pqisrc_softstate_t *softs)
53 	dev = softs->os_specific.pqi_dev;
59 	if (msi_count > softs->num_cpus_online)
60 		msi_count = softs->num_cpus_online;
68 		softs->intr_count = msi_count;
69 		softs->intr_type = INTR_TYPE_MSIX;
70 		softs->os_specific.msi_enabled = TRUE;
74 	if (!softs->intr_type) {
81 			softs->os_specific.msi_enabled = TRUE;
82 			softs->intr_count = msi_count;
83 			softs->intr_type = INTR_TYPE_MSI;
88 	if (!softs->intr_type) {
90 		softs->intr_type = INTR_TYPE_FIXED;
91 		softs->intr_count = 1;
94 	if(!softs->intr_type) {
119 	pqisrc_softstate_t *softs = device_get_softc(intr_ctx->pqi_dev);
124 	pqisrc_process_response_queue(softs, oq_id);
125 	pqisrc_process_event_intr_src(softs, oq_id - 1);
136 	pqisrc_softstate_t *softs = device_get_softc(intr_ctx->pqi_dev);
141 	pqisrc_process_response_queue(softs, oq_id);
149 	pqisrc_softstate_t *softs = device_get_softc(intr_ctx->pqi_dev);
154 	pqisrc_process_event_intr_src(softs, oq_id);
162 int register_legacy_intr(pqisrc_softstate_t *softs)
169 	dev = softs->os_specific.pqi_dev;
171 	softs->os_specific.pqi_irq_rid[0] = 0;
172 	softs->os_specific.pqi_irq[0] = bus_alloc_resource_any(dev, \
173 		SYS_RES_IRQ, &softs->os_specific.pqi_irq_rid[0],
175 	if (NULL == softs->os_specific.pqi_irq[0]) {
179 	if ((softs->os_specific.msi_ctx = os_mem_alloc(softs,sizeof(pqi_intr_ctx_t))) == NULL) {
183 	softs->os_specific.msi_ctx[0].pqi_dev = dev;
184 	softs->os_specific.msi_ctx[0].oq_id = 0;
186 	error = bus_setup_intr(dev, softs->os_specific.pqi_irq[0],
189 				&softs->os_specific.msi_ctx[0],
190 				&softs->os_specific.intrcookie[0]);
195 	softs->os_specific.intr_registered[0] = TRUE;
205 int register_msix_intr(pqisrc_softstate_t *softs)
210 	dev = softs->os_specific.pqi_dev;
211 	int msix_count = softs->intr_count;
215 	softs->os_specific.msi_ctx = os_mem_alloc(softs, sizeof(pqi_intr_ctx_t) * msix_count);
217 	if (softs->share_opq_and_eventq) {
218 		softs->os_specific.pqi_irq_rid[i] = i+1;
219 		softs->os_specific.pqi_irq[i] = bus_alloc_resource_any(dev, \
221 						&softs->os_specific.pqi_irq_rid[i],
223 		if (NULL == softs->os_specific.pqi_irq[i]) {
229 		softs->os_specific.msi_ctx[i].pqi_dev = dev;
230 		softs->os_specific.msi_ctx[i].oq_id = i;
232 		error = bus_setup_intr(dev,softs->os_specific.pqi_irq[i],
236 					&softs->os_specific.msi_ctx[i],
237 					&softs->os_specific.intrcookie[i]);
244 		softs->os_specific.intr_registered[i] = TRUE;
248 		softs->os_specific.pqi_irq_rid[i] = i+1;
249 		softs->os_specific.pqi_irq[i] = bus_alloc_resource_any(dev, \
251 						&softs->os_specific.pqi_irq_rid[i],
253 		if (NULL == softs->os_specific.pqi_irq[i]) {
260 		softs->os_specific.msi_ctx[i].pqi_dev = dev;
261 		softs->os_specific.msi_ctx[i].oq_id = i;
264 		error = bus_setup_intr(dev,softs->os_specific.pqi_irq[i],
268 					&softs->os_specific.msi_ctx[i],
269 					&softs->os_specific.intrcookie[i]);
275 		softs->os_specific.intr_registered[i] = TRUE;
278 			softs->os_specific.pqi_irq_rid[i] = i+1;
279 			softs->os_specific.pqi_irq[i] = \
282 					&softs->os_specific.pqi_irq_rid[i],
284 			if (NULL == softs->os_specific.pqi_irq[i]) {
289 			softs->os_specific.msi_ctx[i].pqi_dev = dev;
290 			softs->os_specific.msi_ctx[i].oq_id = i;
292 					softs->os_specific.pqi_irq[i],
296 					&softs->os_specific.msi_ctx[i],
297 					&softs->os_specific.intrcookie[i]);
303 			softs->os_specific.intr_registered[i] = TRUE;
315 int os_setup_intr(pqisrc_softstate_t *softs)
321 	if (softs->intr_type == INTR_TYPE_FIXED) {
322 		error = register_legacy_intr(softs);
325 		error = register_msix_intr(softs);
340 void deregister_pqi_intx(pqisrc_softstate_t *softs)
346 	dev = softs->os_specific.pqi_dev;
347 	if (softs->os_specific.pqi_irq[0] != NULL) {
348 		if (softs->os_specific.intr_registered[0]) {
349 			bus_teardown_intr(dev, softs->os_specific.pqi_irq[0],
350 					softs->os_specific.intrcookie[0]);
351 			softs->os_specific.intr_registered[0] = FALSE;
354 			softs->os_specific.pqi_irq_rid[0],
355 			softs->os_specific.pqi_irq[0]);
356 		softs->os_specific.pqi_irq[0] = NULL;
357 		os_mem_free(softs, (char*)softs->os_specific.msi_ctx, sizeof(pqi_intr_ctx_t));
366 void deregister_pqi_msix(pqisrc_softstate_t *softs)
369 	dev = softs->os_specific.pqi_dev;
370 	int msix_count = softs->intr_count;
375 	os_mem_free(softs, (char*)softs->os_specific.msi_ctx, sizeof(pqi_intr_ctx_t) * msix_count);
376 	softs->os_specific.msi_ctx = NULL;
379 		if (softs->os_specific.pqi_irq[i] != NULL) {
380 			if (softs->os_specific.intr_registered[i]) {
382 					softs->os_specific.pqi_irq[i],
383 					softs->os_specific.intrcookie[i]);
384 				softs->os_specific.intr_registered[i] = FALSE;
387 				softs->os_specific.pqi_irq_rid[i],
388 			softs->os_specific.pqi_irq[i]);
389 			softs->os_specific.pqi_irq[i] = NULL;
399 int os_destroy_intr(pqisrc_softstate_t *softs)
402 	dev = softs->os_specific.pqi_dev;
406 	if (softs->intr_type == INTR_TYPE_FIXED) {
407 		deregister_pqi_intx(softs);
408 	} else if (softs->intr_type == INTR_TYPE_MSIX) {
409 		deregister_pqi_msix(softs);
411 	if (softs->os_specific.msi_enabled) {
413 		softs->os_specific.msi_enabled = FALSE;
424 void os_free_intr_config(pqisrc_softstate_t *softs)
427 	dev = softs->os_specific.pqi_dev;
431         if (softs->os_specific.msi_enabled) {
433                 softs->os_specific.msi_enabled = FALSE;