361 static int qcom_smem_alloc_private(struct qcom_smem *smem,  in qcom_smem_alloc_private()  argument
397 		dev_err(smem->dev, "Out of memory\n");  in qcom_smem_alloc_private()
417 	dev_err(smem->dev, "Found invalid canary in hosts %hu:%hu partition\n",  in qcom_smem_alloc_private()
423 static int qcom_smem_alloc_global(struct qcom_smem *smem,  in qcom_smem_alloc_global()  argument
430 	header = smem->regions[0].virt_base;  in qcom_smem_alloc_global()
505 static void *qcom_smem_get_global(struct qcom_smem *smem,  in qcom_smem_get_global()  argument
517 	header = smem->regions[0].virt_base;  in qcom_smem_get_global()
524 	for (i = 0; i < smem->num_regions; i++) {  in qcom_smem_get_global()
525 		region = &smem->regions[i];  in qcom_smem_get_global()
544 static void *qcom_smem_get_private(struct qcom_smem *smem,  in qcom_smem_get_private()  argument
628 	dev_err(smem->dev, "Found invalid canary in hosts %hu:%hu partition\n",  in qcom_smem_get_private()
775 static int qcom_smem_get_sbl_version(struct qcom_smem *smem)  in qcom_smem_get_sbl_version()  argument
780 	header = smem->regions[0].virt_base;  in qcom_smem_get_sbl_version()
786 static struct smem_ptable *qcom_smem_get_ptable(struct qcom_smem *smem)  in qcom_smem_get_ptable()  argument
791 	ptable = smem->ptable;  in qcom_smem_get_ptable()
797 		dev_err(smem->dev,  in qcom_smem_get_ptable()
804 static u32 qcom_smem_get_item_count(struct qcom_smem *smem)  in qcom_smem_get_item_count()  argument
809 	ptable = qcom_smem_get_ptable(smem);  in qcom_smem_get_item_count()
826 qcom_smem_partition_header(struct qcom_smem *smem,  in qcom_smem_partition_header()  argument
833 	phys_addr = smem->regions[0].aux_base + le32_to_cpu(entry->offset);  in qcom_smem_partition_header()
834 	header = devm_ioremap_wc(smem->dev, phys_addr, le32_to_cpu(entry->size));  in qcom_smem_partition_header()
840 		dev_err(smem->dev, "bad partition magic %4ph\n", header->magic);  in qcom_smem_partition_header()
845 		dev_err(smem->dev, "bad host0 (%hu != %hu)\n",  in qcom_smem_partition_header()
850 		dev_err(smem->dev, "bad host1 (%hu != %hu)\n",  in qcom_smem_partition_header()
857 		dev_err(smem->dev, "bad partition size (%u != %u)\n",  in qcom_smem_partition_header()
863 		dev_err(smem->dev, "bad partition free uncached (%u > %u)\n",  in qcom_smem_partition_header()
871 static int qcom_smem_set_global_partition(struct qcom_smem *smem)  in qcom_smem_set_global_partition()  argument
879 	if (smem->global_partition.virt_base) {  in qcom_smem_set_global_partition()
880 		dev_err(smem->dev, "Already found the global partition\n");  in qcom_smem_set_global_partition()
884 	ptable = qcom_smem_get_ptable(smem);  in qcom_smem_set_global_partition()
905 		dev_err(smem->dev, "Missing entry for global partition\n");  in qcom_smem_set_global_partition()
909 	header = qcom_smem_partition_header(smem, entry,  in qcom_smem_set_global_partition()
914 	smem->global_partition.virt_base = (void __iomem *)header;  in qcom_smem_set_global_partition()
915 	smem->global_partition.phys_base = smem->regions[0].aux_base +  in qcom_smem_set_global_partition()
917 	smem->global_partition.size = le32_to_cpu(entry->size);  in qcom_smem_set_global_partition()
918 	smem->global_partition.cacheline = le32_to_cpu(entry->cacheline);  in qcom_smem_set_global_partition()
924 qcom_smem_enumerate_partitions(struct qcom_smem *smem, u16 local_host)  in qcom_smem_enumerate_partitions()  argument
933 	ptable = qcom_smem_get_ptable(smem);  in qcom_smem_enumerate_partitions()
954 			dev_err(smem->dev, "bad host %u\n", remote_host);  in qcom_smem_enumerate_partitions()
958 		if (smem->partitions[remote_host].virt_base) {  in qcom_smem_enumerate_partitions()
959 			dev_err(smem->dev, "duplicate host %u\n", remote_host);  in qcom_smem_enumerate_partitions()
963 		header = qcom_smem_partition_header(smem, entry, host0, host1);  in qcom_smem_enumerate_partitions()
967 		smem->partitions[remote_host].virt_base = (void __iomem *)header;  in qcom_smem_enumerate_partitions()
968 		smem->partitions[remote_host].phys_base = smem->regions[0].aux_base +  in qcom_smem_enumerate_partitions()
970 		smem->partitions[remote_host].size = le32_to_cpu(entry->size);  in qcom_smem_enumerate_partitions()
971 		smem->partitions[remote_host].cacheline = le32_to_cpu(entry->cacheline);  in qcom_smem_enumerate_partitions()
977 static int qcom_smem_map_toc(struct qcom_smem *smem, struct smem_region *region)  in qcom_smem_map_toc()  argument
982 	region->virt_base = devm_ioremap_wc(smem->dev, region->aux_base, SZ_4K);  in qcom_smem_map_toc()
985 	smem->ptable = devm_ioremap_wc(smem->dev, ptable_start, SZ_4K);  in qcom_smem_map_toc()
987 	if (!region->virt_base || !smem->ptable)  in qcom_smem_map_toc()
993 static int qcom_smem_map_global(struct qcom_smem *smem, u32 size)  in qcom_smem_map_global()  argument
997 	phys_addr = smem->regions[0].aux_base;  in qcom_smem_map_global()
999 	smem->regions[0].size = size;  in qcom_smem_map_global()
1000 	smem->regions[0].virt_base = devm_ioremap_wc(smem->dev, phys_addr, size);  in qcom_smem_map_global()
1002 	if (!smem->regions[0].virt_base)  in qcom_smem_map_global()
1008 static int qcom_smem_resolve_mem(struct qcom_smem *smem, const char *name,  in qcom_smem_resolve_mem()  argument
1011 	struct device *dev = smem->dev;  in qcom_smem_resolve_mem()
1037 	struct qcom_smem *smem;  in qcom_smem_probe()  local
1052 	smem = devm_kzalloc(&pdev->dev, sizeof(*smem) + array_size, GFP_KERNEL);  in qcom_smem_probe()
1053 	if (!smem)  in qcom_smem_probe()
1056 	smem->dev = &pdev->dev;  in qcom_smem_probe()
1057 	smem->num_regions = num_regions;  in qcom_smem_probe()
1061 		smem->regions[0].aux_base = rmem->base;  in qcom_smem_probe()
1062 		smem->regions[0].size = rmem->size;  in qcom_smem_probe()
1068 		ret = qcom_smem_resolve_mem(smem, "memory-region", &smem->regions[0]);  in qcom_smem_probe()
1074 		ret = qcom_smem_resolve_mem(smem, "qcom,rpm-msg-ram", &smem->regions[1]);  in qcom_smem_probe()
1080 	ret = qcom_smem_map_toc(smem, &smem->regions[0]);  in qcom_smem_probe()
1085 		smem->regions[i].virt_base = devm_ioremap_wc(&pdev->dev,  in qcom_smem_probe()
1086 							     smem->regions[i].aux_base,  in qcom_smem_probe()
1087 							     smem->regions[i].size);  in qcom_smem_probe()
1088 		if (!smem->regions[i].virt_base) {  in qcom_smem_probe()
1089 			dev_err(&pdev->dev, "failed to remap %pa\n", &smem->regions[i].aux_base);  in qcom_smem_probe()
1094 	header = smem->regions[0].virt_base;  in qcom_smem_probe()
1108 	smem->hwlock = hwspin_lock_request_specific(hwlock_id);  in qcom_smem_probe()
1109 	if (!smem->hwlock)  in qcom_smem_probe()
1112 	ret = hwspin_lock_timeout_irqsave(smem->hwlock, HWSPINLOCK_TIMEOUT, &flags);  in qcom_smem_probe()
1116 	hwspin_unlock_irqrestore(smem->hwlock, &flags);  in qcom_smem_probe()
1118 	version = qcom_smem_get_sbl_version(smem);  in qcom_smem_probe()
1124 	devm_iounmap(smem->dev, smem->regions[0].virt_base);  in qcom_smem_probe()
1127 		ret = qcom_smem_set_global_partition(smem);  in qcom_smem_probe()
1130 		smem->item_count = qcom_smem_get_item_count(smem);  in qcom_smem_probe()
1133 		qcom_smem_map_global(smem, size);  in qcom_smem_probe()
1134 		smem->item_count = SMEM_ITEM_COUNT;  in qcom_smem_probe()
1142 	ret = qcom_smem_enumerate_partitions(smem, SMEM_HOST_APPS);  in qcom_smem_probe()
1146 	__smem = smem;  in qcom_smem_probe()
1148 	smem->socinfo = platform_device_register_data(&pdev->dev, "qcom-socinfo",  in qcom_smem_probe()
1151 	if (IS_ERR(smem->socinfo))  in qcom_smem_probe()