Merge "defconfig: pineapple: Enable fastmap"

android/abi_gki_aarch64_qcom

@@ -2099,6 +2099,7 @@
   __tracepoint_android_rvh_find_lowest_rq
   __tracepoint_android_rvh_flush_task
   __tracepoint_android_rvh_get_nohz_timer_target
+  __tracepoint_android_rvh_iommu_setup_dma_ops
   __tracepoint_android_rvh_is_cpu_allowed
   __tracepoint_android_rvh_migrate_queued_task
   __tracepoint_android_rvh_new_task_stats

arch/arm64/configs/vendor/pineapple_GKI.config

@@ -45,6 +45,7 @@ CONFIG_INPUT_QCOM_HV_HAPTICS=m
 CONFIG_INTERCONNECT_QCOM_DEBUG=m
 CONFIG_INTERCONNECT_QCOM_PINEAPPLE=m
 CONFIG_INTERCONNECT_TEST=m
+CONFIG_IOMMU_IO_PGTABLE_FAST=y
 CONFIG_IPA3=m
 CONFIG_IPC_LOGGING=m
 CONFIG_IPC_LOG_MINIDUMP_BUFFERS=0

drivers/iommu/dma-mapping-fast.c

@@ -980,7 +980,7 @@ static void fast_smmu_reserve_iommu_regions(struct device *dev,
 		bitmap_set(fast->clean_bitmap, lo, hi - lo + 1);
 	}
 	spin_unlock_irqrestore(&mapping->lock, flags);
-	qcom_iommu_put_resv_regions(dev, &resv_regions);
+	iommu_put_resv_regions(dev, &resv_regions);
 
 	fast_smmu_reserve_msi_iova(dev, fast);
 }
@@ -992,8 +992,6 @@ void fast_smmu_put_dma_cookie(struct iommu_domain *domain)
 	if (!fast)
 		return;
 
-	iommu_put_dma_cookie(domain);
-
 	if (fast->iovad) {
 		put_iova_domain(fast->iovad);
 		kfree(fast->iovad);

drivers/iommu/qcom-iommu-debug-user.c

@@ -1203,6 +1203,22 @@ static int iommu_debug_functional_fast_dma_api_show(struct seq_file *s,
 						    void *ignored)
 {
 	int ret = 0;
+	struct iommu_debug_device *ddev = s->private;
+
+	if (!ddev->test_dev) {
+		pr_err("%s:Have you selected a uscase?\n", __func__);
+		return -EINVAL;
+	}
+
+	if (!ddev->fastmap_usecase) {
+		ps_printf(dev_name(ddev->test_dev), s,
+			"Not a fastmap usecase\n");
+		return 0;
+	} else if (!IS_ENABLED(CONFIG_IOMMU_IO_PGTABLE_FAST)) {
+		ps_printf(dev_name(ddev->test_dev), s,
+			"CONFIG_IOMMU_IO_PGTABLE_FAST not enabled\n");
+		return 0;
+	}
 
 	ret |= __apply_to_new_mapping(s, __functional_dma_api_alloc_test, NULL);
 	ret |= __apply_to_new_mapping(s, __functional_dma_api_basic_test, NULL);

drivers/iommu/qcom-iommu-debug.c

@@ -133,6 +133,7 @@ iommu_debug_switch_usecase(struct iommu_debug_device *ddev, u32 usecase_nr)
 {
 	struct platform_device *test_pdev;
 	struct device_node *child;
+	const char *str;
 	int child_nr = 0;
 	int ret;
 
@@ -169,6 +170,10 @@ iommu_debug_switch_usecase(struct iommu_debug_device *ddev, u32 usecase_nr)
 		goto out;
 	}
 
+	if (of_property_read_string(child, "qcom,iommu-dma", &str))
+		str = "default";
+
+	ddev->fastmap_usecase = !strcmp(str, "fastmap");
 	ddev->usecase_nr = usecase_nr;
 	ddev->test_dev = &test_pdev->dev;
 	ddev->domain = iommu_get_domain_for_dev(ddev->test_dev);

drivers/iommu/qcom-iommu-debug.h

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
- *
+ * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef __DRIVERS_IOMMU_QCOM_IOMMU_DEBUG_H__
@@ -26,6 +26,7 @@ struct iommu_debug_device {
 	struct device *test_dev;
 	struct iommu_domain *domain;
 	u32 usecase_nr;
+	bool fastmap_usecase;
 	/* Protects test_dev */
 	struct mutex state_lock;
 	/* For waiting for child probe to complete */

include/linux/qcom-iommu-util.h

@@ -112,9 +112,8 @@ int qcom_iommu_get_fast_iova_range(struct device *dev,
 				   dma_addr_t *ret_iova_base,
 				   dma_addr_t *ret_iova_end);
 
-/* Remove once these functions are exported by upstream kernel */
+/* Remove once this function is exported by upstream kernel */
 void qcom_iommu_get_resv_regions(struct device *dev, struct list_head *list);
-void qcom_iommu_put_resv_regions(struct device *dev, struct list_head *list);
 
 phys_addr_t qcom_iommu_iova_to_phys_hard(struct iommu_domain *domain,
 				    struct qcom_iommu_atos_txn *txn);