399 static int qcom_smem_alloc_private(struct qcom_smem *smem,  in qcom_smem_alloc_private()  argument
435 		dev_err(smem->dev, "Out of memory\n");  in qcom_smem_alloc_private()
455 	dev_err(smem->dev, "Found invalid canary in hosts %hu:%hu partition\n",  in qcom_smem_alloc_private()
461 static int qcom_smem_alloc_global(struct qcom_smem *smem,  in qcom_smem_alloc_global()  argument
468 	header = smem->regions[0].virt_base;  in qcom_smem_alloc_global()
543 static void *qcom_smem_get_global(struct qcom_smem *smem,  in qcom_smem_get_global()  argument
555 	header = smem->regions[0].virt_base;  in qcom_smem_get_global()
562 	for (i = 0; i < smem->num_regions; i++) {  in qcom_smem_get_global()
563 		region = &smem->regions[i];  in qcom_smem_get_global()
582 static void *qcom_smem_get_private(struct qcom_smem *smem,  in qcom_smem_get_private()  argument
666 	dev_err(smem->dev, "Found invalid canary in hosts %hu:%hu partition\n",  in qcom_smem_get_private()
835 static int qcom_smem_get_sbl_version(struct qcom_smem *smem)  in qcom_smem_get_sbl_version()  argument
840 	header = smem->regions[0].virt_base;  in qcom_smem_get_sbl_version()
846 static struct smem_ptable *qcom_smem_get_ptable(struct qcom_smem *smem)  in qcom_smem_get_ptable()  argument
851 	ptable = smem->ptable;  in qcom_smem_get_ptable()
857 		dev_err(smem->dev,  in qcom_smem_get_ptable()
864 static u32 qcom_smem_get_item_count(struct qcom_smem *smem)  in qcom_smem_get_item_count()  argument
869 	ptable = qcom_smem_get_ptable(smem);  in qcom_smem_get_item_count()
886 qcom_smem_partition_header(struct qcom_smem *smem,  in qcom_smem_partition_header()  argument
893 	phys_addr = smem->regions[0].aux_base + le32_to_cpu(entry->offset);  in qcom_smem_partition_header()
894 	header = devm_ioremap_wc(smem->dev, phys_addr, le32_to_cpu(entry->size));  in qcom_smem_partition_header()
900 		dev_err(smem->dev, "bad partition magic %4ph\n", header->magic);  in qcom_smem_partition_header()
905 		dev_err(smem->dev, "bad host0 (%hu != %hu)\n",  in qcom_smem_partition_header()
910 		dev_err(smem->dev, "bad host1 (%hu != %hu)\n",  in qcom_smem_partition_header()
917 		dev_err(smem->dev, "bad partition size (%u != %u)\n",  in qcom_smem_partition_header()
923 		dev_err(smem->dev, "bad partition free uncached (%u > %u)\n",  in qcom_smem_partition_header()
931 static int qcom_smem_set_global_partition(struct qcom_smem *smem)  in qcom_smem_set_global_partition()  argument
939 	if (smem->global_partition.virt_base) {  in qcom_smem_set_global_partition()
940 		dev_err(smem->dev, "Already found the global partition\n");  in qcom_smem_set_global_partition()
944 	ptable = qcom_smem_get_ptable(smem);  in qcom_smem_set_global_partition()
965 		dev_err(smem->dev, "Missing entry for global partition\n");  in qcom_smem_set_global_partition()
969 	header = qcom_smem_partition_header(smem, entry,  in qcom_smem_set_global_partition()
974 	smem->global_partition.virt_base = (void __iomem *)header;  in qcom_smem_set_global_partition()
975 	smem->global_partition.phys_base = smem->regions[0].aux_base +  in qcom_smem_set_global_partition()
977 	smem->global_partition.size = le32_to_cpu(entry->size);  in qcom_smem_set_global_partition()
978 	smem->global_partition.cacheline = le32_to_cpu(entry->cacheline);  in qcom_smem_set_global_partition()
984 qcom_smem_enumerate_partitions(struct qcom_smem *smem, u16 local_host)  in qcom_smem_enumerate_partitions()  argument
993 	ptable = qcom_smem_get_ptable(smem);  in qcom_smem_enumerate_partitions()
1014 			dev_err(smem->dev, "bad host %u\n", remote_host);  in qcom_smem_enumerate_partitions()
1018 		if (smem->partitions[remote_host].virt_base) {  in qcom_smem_enumerate_partitions()
1019 			dev_err(smem->dev, "duplicate host %u\n", remote_host);  in qcom_smem_enumerate_partitions()
1023 		header = qcom_smem_partition_header(smem, entry, host0, host1);  in qcom_smem_enumerate_partitions()
1027 		smem->partitions[remote_host].virt_base = (void __iomem *)header;  in qcom_smem_enumerate_partitions()
1028 		smem->partitions[remote_host].phys_base = smem->regions[0].aux_base +  in qcom_smem_enumerate_partitions()
1030 		smem->partitions[remote_host].size = le32_to_cpu(entry->size);  in qcom_smem_enumerate_partitions()
1031 		smem->partitions[remote_host].cacheline = le32_to_cpu(entry->cacheline);  in qcom_smem_enumerate_partitions()
1037 static int qcom_smem_map_toc(struct qcom_smem *smem, struct smem_region *region)  in qcom_smem_map_toc()  argument
1042 	region->virt_base = devm_ioremap_wc(smem->dev, region->aux_base, SZ_4K);  in qcom_smem_map_toc()
1045 	smem->ptable = devm_ioremap_wc(smem->dev, ptable_start, SZ_4K);  in qcom_smem_map_toc()
1047 	if (!region->virt_base || !smem->ptable)  in qcom_smem_map_toc()
1053 static int qcom_smem_map_global(struct qcom_smem *smem, u32 size)  in qcom_smem_map_global()  argument
1057 	phys_addr = smem->regions[0].aux_base;  in qcom_smem_map_global()
1059 	smem->regions[0].size = size;  in qcom_smem_map_global()
1060 	smem->regions[0].virt_base = devm_ioremap_wc(smem->dev, phys_addr, size);  in qcom_smem_map_global()
1062 	if (!smem->regions[0].virt_base)  in qcom_smem_map_global()
1068 static int qcom_smem_resolve_mem(struct qcom_smem *smem, const char *name,  in qcom_smem_resolve_mem()  argument
1071 	struct device *dev = smem->dev;  in qcom_smem_resolve_mem()
1097 	struct qcom_smem *smem;  in qcom_smem_probe()  local
1110 	smem = devm_kzalloc(&pdev->dev, struct_size(smem, regions, num_regions),  in qcom_smem_probe()
1112 	if (!smem)  in qcom_smem_probe()
1115 	smem->dev = &pdev->dev;  in qcom_smem_probe()
1116 	smem->num_regions = num_regions;  in qcom_smem_probe()
1120 		smem->regions[0].aux_base = rmem->base;  in qcom_smem_probe()
1121 		smem->regions[0].size = rmem->size;  in qcom_smem_probe()
1127 		ret = qcom_smem_resolve_mem(smem, "memory-region", &smem->regions[0]);  in qcom_smem_probe()
1133 		ret = qcom_smem_resolve_mem(smem, "qcom,rpm-msg-ram", &smem->regions[1]);  in qcom_smem_probe()
1139 	ret = qcom_smem_map_toc(smem, &smem->regions[0]);  in qcom_smem_probe()
1144 		smem->regions[i].virt_base = devm_ioremap_wc(&pdev->dev,  in qcom_smem_probe()
1145 							     smem->regions[i].aux_base,  in qcom_smem_probe()
1146 							     smem->regions[i].size);  in qcom_smem_probe()
1147 		if (!smem->regions[i].virt_base) {  in qcom_smem_probe()
1148 			dev_err(&pdev->dev, "failed to remap %pa\n", &smem->regions[i].aux_base);  in qcom_smem_probe()
1153 	header = smem->regions[0].virt_base;  in qcom_smem_probe()
1167 	smem->hwlock = hwspin_lock_request_specific(hwlock_id);  in qcom_smem_probe()
1168 	if (!smem->hwlock)  in qcom_smem_probe()
1171 	ret = hwspin_lock_timeout_irqsave(smem->hwlock, HWSPINLOCK_TIMEOUT, &flags);  in qcom_smem_probe()
1175 	hwspin_unlock_irqrestore(smem->hwlock, &flags);  in qcom_smem_probe()
1177 	version = qcom_smem_get_sbl_version(smem);  in qcom_smem_probe()
1183 	devm_iounmap(smem->dev, smem->regions[0].virt_base);  in qcom_smem_probe()
1186 		ret = qcom_smem_set_global_partition(smem);  in qcom_smem_probe()
1189 		smem->item_count = qcom_smem_get_item_count(smem);  in qcom_smem_probe()
1192 		qcom_smem_map_global(smem, size);  in qcom_smem_probe()
1193 		smem->item_count = SMEM_ITEM_COUNT;  in qcom_smem_probe()
1201 	ret = qcom_smem_enumerate_partitions(smem, SMEM_HOST_APPS);  in qcom_smem_probe()
1205 	__smem = smem;  in qcom_smem_probe()
1207 	smem->socinfo = platform_device_register_data(&pdev->dev, "qcom-socinfo",  in qcom_smem_probe()
1210 	if (IS_ERR(smem->socinfo))  in qcom_smem_probe()