Lines Matching refs:rproc
50 typedef int (*rproc_handle_resource_t)(struct rproc *rproc,
53 static int rproc_alloc_carveout(struct rproc *rproc,
55 static int rproc_release_carveout(struct rproc *rproc,
87 struct rproc *rproc = token; in rproc_iommu_fault() local
91 rproc_report_crash(rproc, RPROC_MMUFAULT); in rproc_iommu_fault()
100 static int rproc_enable_iommu(struct rproc *rproc) in rproc_enable_iommu() argument
103 struct device *dev = rproc->dev.parent; in rproc_enable_iommu()
106 if (!rproc->has_iommu) { in rproc_enable_iommu()
117 iommu_set_fault_handler(domain, rproc_iommu_fault, rproc); in rproc_enable_iommu()
125 rproc->domain = domain; in rproc_enable_iommu()
134 static void rproc_disable_iommu(struct rproc *rproc) in rproc_disable_iommu() argument
136 struct iommu_domain *domain = rproc->domain; in rproc_disable_iommu()
137 struct device *dev = rproc->dev.parent; in rproc_disable_iommu()
193 void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iomem) in rproc_da_to_va() argument
198 if (rproc->ops->da_to_va) { in rproc_da_to_va()
199 ptr = rproc->ops->da_to_va(rproc, da, len, is_iomem); in rproc_da_to_va()
204 list_for_each_entry(carveout, &rproc->carveouts, node) { in rproc_da_to_va()
252 rproc_find_carveout_by_name(struct rproc *rproc, const char *name, ...) in rproc_find_carveout_by_name() argument
265 list_for_each_entry(carveout, &rproc->carveouts, node) { in rproc_find_carveout_by_name()
290 static int rproc_check_carveout_da(struct rproc *rproc, in rproc_check_carveout_da() argument
293 struct device *dev = &rproc->dev; in rproc_check_carveout_da()
327 struct rproc *rproc = rvdev->rproc; in rproc_alloc_vring() local
328 struct device *dev = &rproc->dev; in rproc_alloc_vring()
338 rsc = (void *)rproc->table_ptr + rvdev->rsc_offset; in rproc_alloc_vring()
341 mem = rproc_find_carveout_by_name(rproc, "vdev%dvring%d", rvdev->index, in rproc_alloc_vring()
344 if (rproc_check_carveout_da(rproc, mem, rsc->vring[i].da, size)) in rproc_alloc_vring()
359 rproc_add_carveout(rproc, mem); in rproc_alloc_vring()
367 ret = idr_alloc(&rproc->notifyids, rvring, 0, 0, GFP_KERNEL); in rproc_alloc_vring()
375 if (notifyid > rproc->max_notifyid) in rproc_alloc_vring()
376 rproc->max_notifyid = notifyid; in rproc_alloc_vring()
388 struct rproc *rproc = rvdev->rproc; in rproc_parse_vring() local
389 struct device *dev = &rproc->dev; in rproc_parse_vring()
412 struct rproc *rproc = rvring->rvdev->rproc; in rproc_free_vring() local
416 idr_remove(&rproc->notifyids, rvring->notifyid); in rproc_free_vring()
429 if (rproc->table_ptr) { in rproc_free_vring()
430 rsc = (void *)rproc->table_ptr + rvring->rvdev->rsc_offset; in rproc_free_vring()
436 void rproc_add_rvdev(struct rproc *rproc, struct rproc_vdev *rvdev) in rproc_add_rvdev() argument
438 if (rvdev && rproc) in rproc_add_rvdev()
439 list_add_tail(&rvdev->node, &rproc->rvdevs); in rproc_add_rvdev()
475 static int rproc_handle_vdev(struct rproc *rproc, void *ptr, in rproc_handle_vdev() argument
479 struct device *dev = &rproc->dev; in rproc_handle_vdev()
508 rvdev_data.index = rproc->nb_vdev++; in rproc_handle_vdev()
545 static int rproc_handle_trace(struct rproc *rproc, void *ptr, in rproc_handle_trace() argument
550 struct device *dev = &rproc->dev; in rproc_handle_trace()
573 trace->rproc = rproc; in rproc_handle_trace()
576 snprintf(name, sizeof(name), "trace%d", rproc->num_traces); in rproc_handle_trace()
579 trace->tfile = rproc_create_trace_file(name, rproc, trace); in rproc_handle_trace()
581 list_add_tail(&trace->node, &rproc->traces); in rproc_handle_trace()
583 rproc->num_traces++; in rproc_handle_trace()
619 static int rproc_handle_devmem(struct rproc *rproc, void *ptr, in rproc_handle_devmem() argument
624 struct device *dev = &rproc->dev; in rproc_handle_devmem()
628 if (!rproc->domain) in rproc_handle_devmem()
646 ret = iommu_map(rproc->domain, rsc->da, rsc->pa, rsc->len, rsc->flags, in rproc_handle_devmem()
662 list_add_tail(&mapping->node, &rproc->mappings); in rproc_handle_devmem()
684 static int rproc_alloc_carveout(struct rproc *rproc, in rproc_alloc_carveout() argument
688 struct device *dev = &rproc->dev; in rproc_alloc_carveout()
704 if (mem->da != FW_RSC_ADDR_ANY && !rproc->domain) { in rproc_alloc_carveout()
733 if (mem->da != FW_RSC_ADDR_ANY && rproc->domain) { in rproc_alloc_carveout()
740 ret = iommu_map(rproc->domain, mem->da, dma, mem->len, in rproc_alloc_carveout()
756 list_add_tail(&mapping->node, &rproc->mappings); in rproc_alloc_carveout()
792 static int rproc_release_carveout(struct rproc *rproc, in rproc_release_carveout() argument
795 struct device *dev = &rproc->dev; in rproc_release_carveout()
823 static int rproc_handle_carveout(struct rproc *rproc, in rproc_handle_carveout() argument
828 struct device *dev = &rproc->dev; in rproc_handle_carveout()
848 carveout = rproc_find_carveout_by_name(rproc, rsc->name); in rproc_handle_carveout()
857 if (rproc_check_carveout_da(rproc, carveout, rsc->da, rsc->len)) in rproc_handle_carveout()
878 rproc_add_carveout(rproc, carveout); in rproc_handle_carveout()
891 void rproc_add_carveout(struct rproc *rproc, struct rproc_mem_entry *mem) in rproc_add_carveout() argument
893 list_add_tail(&mem->node, &rproc->carveouts); in rproc_add_carveout()
917 int (*alloc)(struct rproc *, struct rproc_mem_entry *), in rproc_mem_entry_init() argument
918 int (*release)(struct rproc *, struct rproc_mem_entry *), in rproc_mem_entry_init() argument
1019 static int rproc_handle_resources(struct rproc *rproc, in rproc_handle_resources() argument
1022 struct device *dev = &rproc->dev; in rproc_handle_resources()
1026 if (!rproc->table_ptr) in rproc_handle_resources()
1029 for (i = 0; i < rproc->table_ptr->num; i++) { in rproc_handle_resources()
1030 int offset = rproc->table_ptr->offset[i]; in rproc_handle_resources()
1031 struct fw_rsc_hdr *hdr = (void *)rproc->table_ptr + offset; in rproc_handle_resources()
1032 int avail = rproc->table_sz - offset - sizeof(*hdr); in rproc_handle_resources()
1045 ret = rproc_handle_rsc(rproc, hdr->type, rsc, in rproc_handle_resources()
1066 ret = handler(rproc, rsc, offset + sizeof(*hdr), avail); in rproc_handle_resources()
1074 static int rproc_prepare_subdevices(struct rproc *rproc) in rproc_prepare_subdevices() argument
1079 list_for_each_entry(subdev, &rproc->subdevs, node) { in rproc_prepare_subdevices()
1090 list_for_each_entry_continue_reverse(subdev, &rproc->subdevs, node) { in rproc_prepare_subdevices()
1098 static int rproc_start_subdevices(struct rproc *rproc) in rproc_start_subdevices() argument
1103 list_for_each_entry(subdev, &rproc->subdevs, node) { in rproc_start_subdevices()
1114 list_for_each_entry_continue_reverse(subdev, &rproc->subdevs, node) { in rproc_start_subdevices()
1122 static void rproc_stop_subdevices(struct rproc *rproc, bool crashed) in rproc_stop_subdevices() argument
1126 list_for_each_entry_reverse(subdev, &rproc->subdevs, node) { in rproc_stop_subdevices()
1132 static void rproc_unprepare_subdevices(struct rproc *rproc) in rproc_unprepare_subdevices() argument
1136 list_for_each_entry_reverse(subdev, &rproc->subdevs, node) { in rproc_unprepare_subdevices()
1153 static int rproc_alloc_registered_carveouts(struct rproc *rproc) in rproc_alloc_registered_carveouts() argument
1157 struct device *dev = &rproc->dev; in rproc_alloc_registered_carveouts()
1161 list_for_each_entry_safe(entry, tmp, &rproc->carveouts, node) { in rproc_alloc_registered_carveouts()
1163 ret = entry->alloc(rproc, entry); in rproc_alloc_registered_carveouts()
1173 rsc = (void *)rproc->table_ptr + entry->rsc_offset; in rproc_alloc_registered_carveouts()
1220 void rproc_resource_cleanup(struct rproc *rproc) in rproc_resource_cleanup() argument
1225 struct device *dev = &rproc->dev; in rproc_resource_cleanup()
1228 list_for_each_entry_safe(trace, ttmp, &rproc->traces, node) { in rproc_resource_cleanup()
1230 rproc->num_traces--; in rproc_resource_cleanup()
1236 list_for_each_entry_safe(entry, tmp, &rproc->mappings, node) { in rproc_resource_cleanup()
1239 unmapped = iommu_unmap(rproc->domain, entry->da, entry->len); in rproc_resource_cleanup()
1251 list_for_each_entry_safe(entry, tmp, &rproc->carveouts, node) { in rproc_resource_cleanup()
1253 entry->release(rproc, entry); in rproc_resource_cleanup()
1259 list_for_each_entry_safe(rvdev, rvtmp, &rproc->rvdevs, node) in rproc_resource_cleanup()
1262 rproc_coredump_cleanup(rproc); in rproc_resource_cleanup()
1266 static int rproc_start(struct rproc *rproc, const struct firmware *fw) in rproc_start() argument
1269 struct device *dev = &rproc->dev; in rproc_start()
1273 ret = rproc_load_segments(rproc, fw); in rproc_start()
1287 loaded_table = rproc_find_loaded_rsc_table(rproc, fw); in rproc_start()
1289 memcpy(loaded_table, rproc->cached_table, rproc->table_sz); in rproc_start()
1290 rproc->table_ptr = loaded_table; in rproc_start()
1293 ret = rproc_prepare_subdevices(rproc); in rproc_start()
1296 rproc->name, ret); in rproc_start()
1301 ret = rproc->ops->start(rproc); in rproc_start()
1303 dev_err(dev, "can't start rproc %s: %d\n", rproc->name, ret); in rproc_start()
1308 ret = rproc_start_subdevices(rproc); in rproc_start()
1311 rproc->name, ret); in rproc_start()
1315 rproc->state = RPROC_RUNNING; in rproc_start()
1317 dev_info(dev, "remote processor %s is now up\n", rproc->name); in rproc_start()
1322 rproc->ops->stop(rproc); in rproc_start()
1324 rproc_unprepare_subdevices(rproc); in rproc_start()
1326 rproc->table_ptr = rproc->cached_table; in rproc_start()
1331 static int __rproc_attach(struct rproc *rproc) in __rproc_attach() argument
1333 struct device *dev = &rproc->dev; in __rproc_attach()
1336 ret = rproc_prepare_subdevices(rproc); in __rproc_attach()
1339 rproc->name, ret); in __rproc_attach()
1344 ret = rproc_attach_device(rproc); in __rproc_attach()
1347 rproc->name, ret); in __rproc_attach()
1352 ret = rproc_start_subdevices(rproc); in __rproc_attach()
1355 rproc->name, ret); in __rproc_attach()
1359 rproc->state = RPROC_ATTACHED; in __rproc_attach()
1361 dev_info(dev, "remote processor %s is now attached\n", rproc->name); in __rproc_attach()
1366 rproc->ops->stop(rproc); in __rproc_attach()
1368 rproc_unprepare_subdevices(rproc); in __rproc_attach()
1376 static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw) in rproc_fw_boot() argument
1378 struct device *dev = &rproc->dev; in rproc_fw_boot()
1379 const char *name = rproc->firmware; in rproc_fw_boot()
1382 ret = rproc_fw_sanity_check(rproc, fw); in rproc_fw_boot()
1392 ret = rproc_enable_iommu(rproc); in rproc_fw_boot()
1399 ret = rproc_prepare_device(rproc); in rproc_fw_boot()
1401 dev_err(dev, "can't prepare rproc %s: %d\n", rproc->name, ret); in rproc_fw_boot()
1405 rproc->bootaddr = rproc_get_boot_addr(rproc, fw); in rproc_fw_boot()
1408 ret = rproc_parse_fw(rproc, fw); in rproc_fw_boot()
1413 rproc->max_notifyid = -1; in rproc_fw_boot()
1416 rproc->nb_vdev = 0; in rproc_fw_boot()
1419 ret = rproc_handle_resources(rproc, rproc_loading_handlers); in rproc_fw_boot()
1426 ret = rproc_alloc_registered_carveouts(rproc); in rproc_fw_boot()
1433 ret = rproc_start(rproc, fw); in rproc_fw_boot()
1440 rproc_resource_cleanup(rproc); in rproc_fw_boot()
1441 kfree(rproc->cached_table); in rproc_fw_boot()
1442 rproc->cached_table = NULL; in rproc_fw_boot()
1443 rproc->table_ptr = NULL; in rproc_fw_boot()
1446 rproc_unprepare_device(rproc); in rproc_fw_boot()
1448 rproc_disable_iommu(rproc); in rproc_fw_boot()
1452 static int rproc_set_rsc_table(struct rproc *rproc) in rproc_set_rsc_table() argument
1455 struct device *dev = &rproc->dev; in rproc_set_rsc_table()
1459 table_ptr = rproc_get_loaded_rsc_table(rproc, &table_sz); in rproc_set_rsc_table()
1481 if (rproc->ops->detach) { in rproc_set_rsc_table()
1482 rproc->clean_table = kmemdup(table_ptr, table_sz, GFP_KERNEL); in rproc_set_rsc_table()
1483 if (!rproc->clean_table) in rproc_set_rsc_table()
1486 rproc->clean_table = NULL; in rproc_set_rsc_table()
1489 rproc->cached_table = NULL; in rproc_set_rsc_table()
1490 rproc->table_ptr = table_ptr; in rproc_set_rsc_table()
1491 rproc->table_sz = table_sz; in rproc_set_rsc_table()
1496 static int rproc_reset_rsc_table_on_detach(struct rproc *rproc) in rproc_reset_rsc_table_on_detach() argument
1501 if (!rproc->table_ptr) in rproc_reset_rsc_table_on_detach()
1509 if (WARN_ON(!rproc->clean_table)) in rproc_reset_rsc_table_on_detach()
1513 table_ptr = rproc->table_ptr; in rproc_reset_rsc_table_on_detach()
1522 rproc->cached_table = kmemdup(rproc->table_ptr, in rproc_reset_rsc_table_on_detach()
1523 rproc->table_sz, GFP_KERNEL); in rproc_reset_rsc_table_on_detach()
1524 if (!rproc->cached_table) in rproc_reset_rsc_table_on_detach()
1531 rproc->table_ptr = rproc->cached_table; in rproc_reset_rsc_table_on_detach()
1538 memcpy(table_ptr, rproc->clean_table, rproc->table_sz); in rproc_reset_rsc_table_on_detach()
1544 kfree(rproc->clean_table); in rproc_reset_rsc_table_on_detach()
1549 static int rproc_reset_rsc_table_on_stop(struct rproc *rproc) in rproc_reset_rsc_table_on_stop() argument
1552 if (!rproc->table_ptr) in rproc_reset_rsc_table_on_stop()
1560 if (rproc->cached_table) in rproc_reset_rsc_table_on_stop()
1570 rproc->cached_table = kmemdup(rproc->table_ptr, in rproc_reset_rsc_table_on_stop()
1571 rproc->table_sz, GFP_KERNEL); in rproc_reset_rsc_table_on_stop()
1572 if (!rproc->cached_table) in rproc_reset_rsc_table_on_stop()
1579 kfree(rproc->clean_table); in rproc_reset_rsc_table_on_stop()
1586 rproc->table_ptr = rproc->cached_table; in rproc_reset_rsc_table_on_stop()
1594 static int rproc_attach(struct rproc *rproc) in rproc_attach() argument
1596 struct device *dev = &rproc->dev; in rproc_attach()
1603 ret = rproc_enable_iommu(rproc); in rproc_attach()
1610 ret = rproc_prepare_device(rproc); in rproc_attach()
1612 dev_err(dev, "can't prepare rproc %s: %d\n", rproc->name, ret); in rproc_attach()
1616 ret = rproc_set_rsc_table(rproc); in rproc_attach()
1623 rproc->max_notifyid = -1; in rproc_attach()
1626 rproc->nb_vdev = 0; in rproc_attach()
1633 ret = rproc_handle_resources(rproc, rproc_loading_handlers); in rproc_attach()
1640 ret = rproc_alloc_registered_carveouts(rproc); in rproc_attach()
1647 ret = __rproc_attach(rproc); in rproc_attach()
1654 rproc_resource_cleanup(rproc); in rproc_attach()
1657 rproc_unprepare_device(rproc); in rproc_attach()
1659 rproc_disable_iommu(rproc); in rproc_attach()
1673 struct rproc *rproc = context; in rproc_auto_boot_callback() local
1675 rproc_boot(rproc); in rproc_auto_boot_callback()
1680 static int rproc_trigger_auto_boot(struct rproc *rproc) in rproc_trigger_auto_boot() argument
1690 if (rproc->state == RPROC_DETACHED) in rproc_trigger_auto_boot()
1691 return rproc_boot(rproc); in rproc_trigger_auto_boot()
1698 rproc->firmware, &rproc->dev, GFP_KERNEL, in rproc_trigger_auto_boot()
1699 rproc, rproc_auto_boot_callback); in rproc_trigger_auto_boot()
1701 dev_err(&rproc->dev, "request_firmware_nowait err: %d\n", ret); in rproc_trigger_auto_boot()
1706 static int rproc_stop(struct rproc *rproc, bool crashed) in rproc_stop() argument
1708 struct device *dev = &rproc->dev; in rproc_stop()
1712 if (!rproc->ops->stop) in rproc_stop()
1716 rproc_stop_subdevices(rproc, crashed); in rproc_stop()
1719 ret = rproc_reset_rsc_table_on_stop(rproc); in rproc_stop()
1727 ret = rproc->ops->stop(rproc); in rproc_stop()
1733 rproc_unprepare_subdevices(rproc); in rproc_stop()
1735 rproc->state = RPROC_OFFLINE; in rproc_stop()
1737 dev_info(dev, "stopped remote processor %s\n", rproc->name); in rproc_stop()
1745 static int __rproc_detach(struct rproc *rproc) in __rproc_detach() argument
1747 struct device *dev = &rproc->dev; in __rproc_detach()
1751 if (!rproc->ops->detach) in __rproc_detach()
1755 rproc_stop_subdevices(rproc, false); in __rproc_detach()
1758 ret = rproc_reset_rsc_table_on_detach(rproc); in __rproc_detach()
1765 ret = rproc->ops->detach(rproc); in __rproc_detach()
1771 rproc_unprepare_subdevices(rproc); in __rproc_detach()
1773 rproc->state = RPROC_DETACHED; in __rproc_detach()
1775 dev_info(dev, "detached remote processor %s\n", rproc->name); in __rproc_detach()
1780 static int rproc_attach_recovery(struct rproc *rproc) in rproc_attach_recovery() argument
1784 ret = __rproc_detach(rproc); in rproc_attach_recovery()
1788 return __rproc_attach(rproc); in rproc_attach_recovery()
1791 static int rproc_boot_recovery(struct rproc *rproc) in rproc_boot_recovery() argument
1794 struct device *dev = &rproc->dev; in rproc_boot_recovery()
1797 ret = rproc_stop(rproc, true); in rproc_boot_recovery()
1802 rproc->ops->coredump(rproc); in rproc_boot_recovery()
1805 ret = request_firmware(&firmware_p, rproc->firmware, dev); in rproc_boot_recovery()
1812 ret = rproc_start(rproc, firmware_p); in rproc_boot_recovery()
1831 int rproc_trigger_recovery(struct rproc *rproc) in rproc_trigger_recovery() argument
1833 struct device *dev = &rproc->dev; in rproc_trigger_recovery()
1836 ret = mutex_lock_interruptible(&rproc->lock); in rproc_trigger_recovery()
1841 if (rproc->state != RPROC_CRASHED) in rproc_trigger_recovery()
1844 dev_err(dev, "recovering %s\n", rproc->name); in rproc_trigger_recovery()
1846 if (rproc_has_feature(rproc, RPROC_FEAT_ATTACH_ON_RECOVERY)) in rproc_trigger_recovery()
1847 ret = rproc_attach_recovery(rproc); in rproc_trigger_recovery()
1849 ret = rproc_boot_recovery(rproc); in rproc_trigger_recovery()
1852 mutex_unlock(&rproc->lock); in rproc_trigger_recovery()
1865 struct rproc *rproc = container_of(work, struct rproc, crash_handler); in rproc_crash_handler_work() local
1866 struct device *dev = &rproc->dev; in rproc_crash_handler_work()
1870 mutex_lock(&rproc->lock); in rproc_crash_handler_work()
1872 if (rproc->state == RPROC_CRASHED) { in rproc_crash_handler_work()
1874 mutex_unlock(&rproc->lock); in rproc_crash_handler_work()
1878 if (rproc->state == RPROC_OFFLINE) { in rproc_crash_handler_work()
1880 mutex_unlock(&rproc->lock); in rproc_crash_handler_work()
1884 rproc->state = RPROC_CRASHED; in rproc_crash_handler_work()
1885 dev_err(dev, "handling crash #%u in %s\n", ++rproc->crash_cnt, in rproc_crash_handler_work()
1886 rproc->name); in rproc_crash_handler_work()
1888 mutex_unlock(&rproc->lock); in rproc_crash_handler_work()
1890 if (!rproc->recovery_disabled) in rproc_crash_handler_work()
1891 rproc_trigger_recovery(rproc); in rproc_crash_handler_work()
1894 pm_relax(rproc->dev.parent); in rproc_crash_handler_work()
1908 int rproc_boot(struct rproc *rproc) in rproc_boot() argument
1914 if (!rproc) { in rproc_boot()
1919 dev = &rproc->dev; in rproc_boot()
1921 ret = mutex_lock_interruptible(&rproc->lock); in rproc_boot()
1923 dev_err(dev, "can't lock rproc %s: %d\n", rproc->name, ret); in rproc_boot()
1927 if (rproc->state == RPROC_DELETED) { in rproc_boot()
1929 dev_err(dev, "can't boot deleted rproc %s\n", rproc->name); in rproc_boot()
1934 if (atomic_inc_return(&rproc->power) > 1) { in rproc_boot()
1939 if (rproc->state == RPROC_DETACHED) { in rproc_boot()
1940 dev_info(dev, "attaching to %s\n", rproc->name); in rproc_boot()
1942 ret = rproc_attach(rproc); in rproc_boot()
1944 dev_info(dev, "powering up %s\n", rproc->name); in rproc_boot()
1947 ret = request_firmware(&firmware_p, rproc->firmware, dev); in rproc_boot()
1953 ret = rproc_fw_boot(rproc, firmware_p); in rproc_boot()
1960 atomic_dec(&rproc->power); in rproc_boot()
1962 mutex_unlock(&rproc->lock); in rproc_boot()
1988 int rproc_shutdown(struct rproc *rproc) in rproc_shutdown() argument
1990 struct device *dev = &rproc->dev; in rproc_shutdown()
1993 ret = mutex_lock_interruptible(&rproc->lock); in rproc_shutdown()
1995 dev_err(dev, "can't lock rproc %s: %d\n", rproc->name, ret); in rproc_shutdown()
1999 if (rproc->state != RPROC_RUNNING && in rproc_shutdown()
2000 rproc->state != RPROC_ATTACHED) { in rproc_shutdown()
2006 if (!atomic_dec_and_test(&rproc->power)) in rproc_shutdown()
2009 ret = rproc_stop(rproc, false); in rproc_shutdown()
2011 atomic_inc(&rproc->power); in rproc_shutdown()
2016 rproc_resource_cleanup(rproc); in rproc_shutdown()
2019 rproc_unprepare_device(rproc); in rproc_shutdown()
2021 rproc_disable_iommu(rproc); in rproc_shutdown()
2024 kfree(rproc->cached_table); in rproc_shutdown()
2025 rproc->cached_table = NULL; in rproc_shutdown()
2026 rproc->table_ptr = NULL; in rproc_shutdown()
2028 mutex_unlock(&rproc->lock); in rproc_shutdown()
2053 int rproc_detach(struct rproc *rproc) in rproc_detach() argument
2055 struct device *dev = &rproc->dev; in rproc_detach()
2058 ret = mutex_lock_interruptible(&rproc->lock); in rproc_detach()
2060 dev_err(dev, "can't lock rproc %s: %d\n", rproc->name, ret); in rproc_detach()
2064 if (rproc->state != RPROC_ATTACHED) { in rproc_detach()
2070 if (!atomic_dec_and_test(&rproc->power)) { in rproc_detach()
2075 ret = __rproc_detach(rproc); in rproc_detach()
2077 atomic_inc(&rproc->power); in rproc_detach()
2082 rproc_resource_cleanup(rproc); in rproc_detach()
2085 rproc_unprepare_device(rproc); in rproc_detach()
2087 rproc_disable_iommu(rproc); in rproc_detach()
2090 kfree(rproc->cached_table); in rproc_detach()
2091 rproc->cached_table = NULL; in rproc_detach()
2092 rproc->table_ptr = NULL; in rproc_detach()
2094 mutex_unlock(&rproc->lock); in rproc_detach()
2112 struct rproc *rproc_get_by_phandle(phandle phandle) in rproc_get_by_phandle()
2114 struct rproc *rproc = NULL, *r; in rproc_get_by_phandle() local
2130 rproc = r; in rproc_get_by_phandle()
2131 get_device(&rproc->dev); in rproc_get_by_phandle()
2139 return rproc; in rproc_get_by_phandle()
2142 struct rproc *rproc_get_by_phandle(phandle phandle) in rproc_get_by_phandle()
2167 int rproc_set_firmware(struct rproc *rproc, const char *fw_name) in rproc_set_firmware() argument
2173 if (!rproc || !fw_name) in rproc_set_firmware()
2176 dev = rproc->dev.parent; in rproc_set_firmware()
2178 ret = mutex_lock_interruptible(&rproc->lock); in rproc_set_firmware()
2180 dev_err(dev, "can't lock rproc %s: %d\n", rproc->name, ret); in rproc_set_firmware()
2184 if (rproc->state != RPROC_OFFLINE) { in rproc_set_firmware()
2203 kfree_const(rproc->firmware); in rproc_set_firmware()
2204 rproc->firmware = p; in rproc_set_firmware()
2207 mutex_unlock(&rproc->lock); in rproc_set_firmware()
2212 static int rproc_validate(struct rproc *rproc) in rproc_validate() argument
2214 switch (rproc->state) { in rproc_validate()
2220 if (!rproc->ops->start) in rproc_validate()
2228 if (!rproc->ops->attach) in rproc_validate()
2235 if (rproc->cached_table) in rproc_validate()
2269 int rproc_add(struct rproc *rproc) in rproc_add() argument
2271 struct device *dev = &rproc->dev; in rproc_add()
2274 ret = rproc_validate(rproc); in rproc_add()
2279 ret = rproc_char_device_add(rproc); in rproc_add()
2289 dev_info(dev, "%s is available\n", rproc->name); in rproc_add()
2292 rproc_create_debug_dir(rproc); in rproc_add()
2295 if (rproc->auto_boot) { in rproc_add()
2296 ret = rproc_trigger_auto_boot(rproc); in rproc_add()
2303 list_add_rcu(&rproc->node, &rproc_list); in rproc_add()
2309 rproc_delete_debug_dir(rproc); in rproc_add()
2312 rproc_char_device_remove(rproc); in rproc_add()
2317 static void devm_rproc_remove(void *rproc) in devm_rproc_remove() argument
2319 rproc_del(rproc); in devm_rproc_remove()
2332 int devm_rproc_add(struct device *dev, struct rproc *rproc) in devm_rproc_add() argument
2336 err = rproc_add(rproc); in devm_rproc_add()
2340 return devm_add_action_or_reset(dev, devm_rproc_remove, rproc); in devm_rproc_add()
2355 struct rproc *rproc = container_of(dev, struct rproc, dev); in rproc_type_release() local
2357 dev_info(&rproc->dev, "releasing %s\n", rproc->name); in rproc_type_release()
2359 idr_destroy(&rproc->notifyids); in rproc_type_release()
2361 if (rproc->index >= 0) in rproc_type_release()
2362 ida_free(&rproc_dev_index, rproc->index); in rproc_type_release()
2364 kfree_const(rproc->firmware); in rproc_type_release()
2365 kfree_const(rproc->name); in rproc_type_release()
2366 kfree(rproc->ops); in rproc_type_release()
2367 kfree(rproc); in rproc_type_release()
2375 static int rproc_alloc_firmware(struct rproc *rproc, in rproc_alloc_firmware() argument
2392 rproc->firmware = p; in rproc_alloc_firmware()
2397 static int rproc_alloc_ops(struct rproc *rproc, const struct rproc_ops *ops) in rproc_alloc_ops() argument
2399 rproc->ops = kmemdup(ops, sizeof(*ops), GFP_KERNEL); in rproc_alloc_ops()
2400 if (!rproc->ops) in rproc_alloc_ops()
2404 if (!rproc->ops->coredump) in rproc_alloc_ops()
2405 rproc->ops->coredump = rproc_coredump; in rproc_alloc_ops()
2407 if (rproc->ops->load) in rproc_alloc_ops()
2411 rproc->ops->load = rproc_elf_load_segments; in rproc_alloc_ops()
2412 rproc->ops->parse_fw = rproc_elf_load_rsc_table; in rproc_alloc_ops()
2413 rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table; in rproc_alloc_ops()
2414 rproc->ops->sanity_check = rproc_elf_sanity_check; in rproc_alloc_ops()
2415 rproc->ops->get_boot_addr = rproc_elf_get_boot_addr; in rproc_alloc_ops()
2443 struct rproc *rproc_alloc(struct device *dev, const char *name, in rproc_alloc()
2447 struct rproc *rproc; in rproc_alloc() local
2452 rproc = kzalloc(sizeof(struct rproc) + len, GFP_KERNEL); in rproc_alloc()
2453 if (!rproc) in rproc_alloc()
2456 rproc->priv = &rproc[1]; in rproc_alloc()
2457 rproc->auto_boot = true; in rproc_alloc()
2458 rproc->elf_class = ELFCLASSNONE; in rproc_alloc()
2459 rproc->elf_machine = EM_NONE; in rproc_alloc()
2461 device_initialize(&rproc->dev); in rproc_alloc()
2462 rproc->dev.parent = dev; in rproc_alloc()
2463 rproc->dev.type = &rproc_type; in rproc_alloc()
2464 rproc->dev.class = &rproc_class; in rproc_alloc()
2465 rproc->dev.driver_data = rproc; in rproc_alloc()
2466 idr_init(&rproc->notifyids); in rproc_alloc()
2468 rproc->name = kstrdup_const(name, GFP_KERNEL); in rproc_alloc()
2469 if (!rproc->name) in rproc_alloc()
2472 if (rproc_alloc_firmware(rproc, name, firmware)) in rproc_alloc()
2475 if (rproc_alloc_ops(rproc, ops)) in rproc_alloc()
2479 rproc->index = ida_alloc(&rproc_dev_index, GFP_KERNEL); in rproc_alloc()
2480 if (rproc->index < 0) { in rproc_alloc()
2481 dev_err(dev, "ida_alloc failed: %d\n", rproc->index); in rproc_alloc()
2485 dev_set_name(&rproc->dev, "remoteproc%d", rproc->index); in rproc_alloc()
2487 atomic_set(&rproc->power, 0); in rproc_alloc()
2489 mutex_init(&rproc->lock); in rproc_alloc()
2491 INIT_LIST_HEAD(&rproc->carveouts); in rproc_alloc()
2492 INIT_LIST_HEAD(&rproc->mappings); in rproc_alloc()
2493 INIT_LIST_HEAD(&rproc->traces); in rproc_alloc()
2494 INIT_LIST_HEAD(&rproc->rvdevs); in rproc_alloc()
2495 INIT_LIST_HEAD(&rproc->subdevs); in rproc_alloc()
2496 INIT_LIST_HEAD(&rproc->dump_segments); in rproc_alloc()
2498 INIT_WORK(&rproc->crash_handler, rproc_crash_handler_work); in rproc_alloc()
2500 rproc->state = RPROC_OFFLINE; in rproc_alloc()
2502 return rproc; in rproc_alloc()
2505 put_device(&rproc->dev); in rproc_alloc()
2519 void rproc_free(struct rproc *rproc) in rproc_free() argument
2521 put_device(&rproc->dev); in rproc_free()
2534 void rproc_put(struct rproc *rproc) in rproc_put() argument
2536 module_put(rproc->dev.parent->driver->owner); in rproc_put()
2537 put_device(&rproc->dev); in rproc_put()
2556 int rproc_del(struct rproc *rproc) in rproc_del() argument
2558 if (!rproc) in rproc_del()
2562 rproc_shutdown(rproc); in rproc_del()
2564 mutex_lock(&rproc->lock); in rproc_del()
2565 rproc->state = RPROC_DELETED; in rproc_del()
2566 mutex_unlock(&rproc->lock); in rproc_del()
2568 rproc_delete_debug_dir(rproc); in rproc_del()
2572 list_del_rcu(&rproc->node); in rproc_del()
2578 device_del(&rproc->dev); in rproc_del()
2579 rproc_char_device_remove(rproc); in rproc_del()
2587 rproc_free(*(struct rproc **)res); in devm_rproc_free()
2603 struct rproc *devm_rproc_alloc(struct device *dev, const char *name, in devm_rproc_alloc()
2607 struct rproc **ptr, *rproc; in devm_rproc_alloc() local
2613 rproc = rproc_alloc(dev, name, ops, firmware, len); in devm_rproc_alloc()
2614 if (rproc) { in devm_rproc_alloc()
2615 *ptr = rproc; in devm_rproc_alloc()
2621 return rproc; in devm_rproc_alloc()
2632 void rproc_add_subdev(struct rproc *rproc, struct rproc_subdev *subdev) in rproc_add_subdev() argument
2634 list_add_tail(&subdev->node, &rproc->subdevs); in rproc_add_subdev()
2643 void rproc_remove_subdev(struct rproc *rproc, struct rproc_subdev *subdev) in rproc_remove_subdev() argument
2655 struct rproc *rproc_get_by_child(struct device *dev) in rproc_get_by_child()
2677 void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type) in rproc_report_crash() argument
2679 if (!rproc) { in rproc_report_crash()
2685 pm_stay_awake(rproc->dev.parent); in rproc_report_crash()
2687 dev_err(&rproc->dev, "crash detected in %s: type %s\n", in rproc_report_crash()
2688 rproc->name, rproc_crash_to_string(type)); in rproc_report_crash()
2690 queue_work(rproc_recovery_wq, &rproc->crash_handler); in rproc_report_crash()
2698 struct rproc *rproc; in rproc_panic_handler() local
2702 list_for_each_entry_rcu(rproc, &rproc_list, node) { in rproc_panic_handler()
2703 if (!rproc->ops->panic) in rproc_panic_handler()
2706 if (rproc->state != RPROC_RUNNING && in rproc_panic_handler()
2707 rproc->state != RPROC_ATTACHED) in rproc_panic_handler()
2710 d = rproc->ops->panic(rproc); in rproc_panic_handler()