diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.9/810-iommu-support-layerscape.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.9/810-iommu-support-layerscape.patch | 114 |
1 files changed, 45 insertions, 69 deletions
diff --git a/target/linux/layerscape/patches-4.9/810-iommu-support-layerscape.patch b/target/linux/layerscape/patches-4.9/810-iommu-support-layerscape.patch index dd53609..4c298d7 100644 --- a/target/linux/layerscape/patches-4.9/810-iommu-support-layerscape.patch +++ b/target/linux/layerscape/patches-4.9/810-iommu-support-layerscape.patch @@ -23,11 +23,9 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> include/linux/iommu.h | 55 +++++++--- 10 files changed, 645 insertions(+), 115 deletions(-) -diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c -index c380b7e8..93199931 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c -@@ -373,6 +373,8 @@ static struct iommu_group *acpihid_device_group(struct device *dev) +@@ -373,6 +373,8 @@ static struct iommu_group *acpihid_devic if (!entry->group) entry->group = generic_device_group(dev); @@ -36,7 +34,7 @@ index c380b7e8..93199931 100644 return entry->group; } -@@ -3159,9 +3161,10 @@ static bool amd_iommu_capable(enum iommu_cap cap) +@@ -3159,9 +3161,10 @@ static bool amd_iommu_capable(enum iommu return false; } @@ -49,7 +47,7 @@ index c380b7e8..93199931 100644 struct unity_map_entry *entry; int devid; -@@ -3170,41 +3173,56 @@ static void amd_iommu_get_dm_regions(struct device *dev, +@@ -3170,41 +3173,56 @@ static void amd_iommu_get_dm_regions(str return; list_for_each_entry(entry, &amd_iommu_unity_map, list) { @@ -120,7 +118,7 @@ index c380b7e8..93199931 100644 { struct dma_ops_domain *dma_dom = to_dma_ops_domain(to_pdomain(domain)); unsigned long start, end; -@@ -3228,9 +3246,9 @@ static const struct iommu_ops amd_iommu_ops = { +@@ -3228,9 +3246,9 @@ static const struct iommu_ops amd_iommu_ .add_device = amd_iommu_add_device, .remove_device = amd_iommu_remove_device, .device_group = amd_iommu_device_group, @@ -133,8 +131,6 @@ index c380b7e8..93199931 100644 .pgsize_bitmap = AMD_IOMMU_PGSIZES, }; -diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c -index e6f9b2d7..e3ed8dc5 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -410,6 +410,9 @@ @@ -147,7 +143,7 @@ index e6f9b2d7..e3ed8dc5 100644 static bool disable_bypass; module_param_named(disable_bypass, disable_bypass, bool, S_IRUGO); MODULE_PARM_DESC(disable_bypass, -@@ -1370,8 +1373,6 @@ static bool arm_smmu_capable(enum iommu_cap cap) +@@ -1370,8 +1373,6 @@ static bool arm_smmu_capable(enum iommu_ switch (cap) { case IOMMU_CAP_CACHE_COHERENCY: return true; @@ -156,7 +152,7 @@ index e6f9b2d7..e3ed8dc5 100644 case IOMMU_CAP_NOEXEC: return true; default: -@@ -1709,6 +1710,9 @@ arm_smmu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova) +@@ -1709,6 +1710,9 @@ arm_smmu_iova_to_phys(struct iommu_domai struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); struct io_pgtable_ops *ops = smmu_domain->pgtbl_ops; @@ -166,7 +162,7 @@ index e6f9b2d7..e3ed8dc5 100644 if (!ops) return 0; -@@ -1880,6 +1884,31 @@ static int arm_smmu_of_xlate(struct device *dev, struct of_phandle_args *args) +@@ -1880,6 +1884,31 @@ static int arm_smmu_of_xlate(struct devi return iommu_fwspec_add_ids(dev, args->args, 1); } @@ -207,8 +203,6 @@ index e6f9b2d7..e3ed8dc5 100644 .pgsize_bitmap = -1UL, /* Restricted during device attach */ }; -diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c -index 8f728144..df18dac3 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -49,6 +49,7 @@ @@ -237,7 +231,7 @@ index 8f728144..df18dac3 100644 static int force_stage; module_param(force_stage, int, S_IRUGO); MODULE_PARM_DESC(force_stage, -@@ -1343,6 +1348,9 @@ static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain, +@@ -1343,6 +1348,9 @@ static phys_addr_t arm_smmu_iova_to_phys struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; @@ -247,7 +241,7 @@ index 8f728144..df18dac3 100644 if (!ops) return 0; -@@ -1368,8 +1376,6 @@ static bool arm_smmu_capable(enum iommu_cap cap) +@@ -1368,8 +1376,6 @@ static bool arm_smmu_capable(enum iommu_ * requests. */ return true; @@ -256,7 +250,7 @@ index 8f728144..df18dac3 100644 case IOMMU_CAP_NOEXEC: return true; default: -@@ -1478,10 +1484,12 @@ static struct iommu_group *arm_smmu_device_group(struct device *dev) +@@ -1478,10 +1484,12 @@ static struct iommu_group *arm_smmu_devi } if (group) @@ -270,7 +264,7 @@ index 8f728144..df18dac3 100644 else group = generic_device_group(dev); -@@ -1534,17 +1542,44 @@ static int arm_smmu_domain_set_attr(struct iommu_domain *domain, +@@ -1534,17 +1542,44 @@ out_unlock: static int arm_smmu_of_xlate(struct device *dev, struct of_phandle_args *args) { @@ -325,7 +319,7 @@ index 8f728144..df18dac3 100644 .pgsize_bitmap = -1UL, /* Restricted during device attach */ }; -@@ -1581,16 +1618,22 @@ static void arm_smmu_device_reset(struct arm_smmu_device *smmu) +@@ -1581,16 +1618,22 @@ static void arm_smmu_device_reset(struct for (i = 0; i < smmu->num_mapping_groups; ++i) arm_smmu_write_sme(smmu, i); @@ -357,7 +351,7 @@ index 8f728144..df18dac3 100644 writel_relaxed(reg, gr0_base + ARM_SMMU_GR0_sACR); } -@@ -2024,6 +2067,11 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) +@@ -2024,6 +2067,11 @@ static int arm_smmu_device_dt_probe(stru bus_set_iommu(&pci_bus_type, &arm_smmu_ops); } #endif @@ -369,8 +363,6 @@ index 8f728144..df18dac3 100644 return 0; } -diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c -index 1520e7f0..3ade4153 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -37,15 +37,50 @@ struct iommu_dma_msi_page { @@ -428,11 +420,10 @@ index 1520e7f0..3ade4153 100644 } int iommu_dma_init(void) -@@ -61,26 +96,54 @@ int iommu_dma_init(void) - * callback when domain->type == IOMMU_DOMAIN_DMA. +@@ -62,25 +97,53 @@ int iommu_dma_init(void) */ int iommu_get_dma_cookie(struct iommu_domain *domain) -+{ + { + if (domain->iova_cookie) + return -EEXIST; + @@ -457,7 +448,7 @@ index 1520e7f0..3ade4153 100644 + * used by the devices attached to @domain. + */ +int iommu_get_msi_cookie(struct iommu_domain *domain, dma_addr_t base) - { ++{ struct iommu_dma_cookie *cookie; + if (domain->type != IOMMU_DOMAIN_UNMANAGED) @@ -488,7 +479,7 @@ index 1520e7f0..3ade4153 100644 * * IOMMU drivers should normally call this from their domain_free callback. */ -@@ -92,7 +155,7 @@ void iommu_put_dma_cookie(struct iommu_domain *domain) +@@ -92,7 +155,7 @@ void iommu_put_dma_cookie(struct iommu_d if (!cookie) return; @@ -497,7 +488,7 @@ index 1520e7f0..3ade4153 100644 put_iova_domain(&cookie->iovad); list_for_each_entry_safe(msi, tmp, &cookie->msi_page_list, list) { -@@ -104,21 +167,99 @@ void iommu_put_dma_cookie(struct iommu_domain *domain) +@@ -104,21 +167,99 @@ void iommu_put_dma_cookie(struct iommu_d } EXPORT_SYMBOL(iommu_put_dma_cookie); @@ -603,7 +594,7 @@ index 1520e7f0..3ade4153 100644 } /** -@@ -136,11 +277,12 @@ static void iova_reserve_pci_windows(struct pci_dev *dev, +@@ -136,11 +277,12 @@ static void iova_reserve_pci_windows(str int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base, u64 size, struct device *dev) { @@ -619,7 +610,7 @@ index 1520e7f0..3ade4153 100644 /* Use the smallest supported page size for IOVA granularity */ order = __ffs(domain->pgsize_bitmap); -@@ -160,22 +302,37 @@ int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base, +@@ -160,22 +302,37 @@ int iommu_dma_init_domain(struct iommu_d end_pfn = min_t(unsigned long, end_pfn, domain->geometry.aperture_end >> order); } @@ -666,7 +657,7 @@ index 1520e7f0..3ade4153 100644 } EXPORT_SYMBOL(iommu_dma_init_domain); -@@ -643,11 +800,12 @@ static struct iommu_dma_msi_page *iommu_dma_get_msi_page(struct device *dev, +@@ -643,11 +800,12 @@ static struct iommu_dma_msi_page *iommu_ { struct iommu_dma_cookie *cookie = domain->iova_cookie; struct iommu_dma_msi_page *msi_page; @@ -681,7 +672,7 @@ index 1520e7f0..3ade4153 100644 list_for_each_entry(msi_page, &cookie->msi_page_list, list) if (msi_page->phys == msi_addr) return msi_page; -@@ -656,13 +814,18 @@ static struct iommu_dma_msi_page *iommu_dma_get_msi_page(struct device *dev, +@@ -656,13 +814,18 @@ static struct iommu_dma_msi_page *iommu_ if (!msi_page) return NULL; @@ -706,7 +697,7 @@ index 1520e7f0..3ade4153 100644 goto out_free_iova; INIT_LIST_HEAD(&msi_page->list); -@@ -670,7 +833,10 @@ static struct iommu_dma_msi_page *iommu_dma_get_msi_page(struct device *dev, +@@ -670,7 +833,10 @@ static struct iommu_dma_msi_page *iommu_ return msi_page; out_free_iova: @@ -718,7 +709,7 @@ index 1520e7f0..3ade4153 100644 out_free_page: kfree(msi_page); return NULL; -@@ -711,7 +877,7 @@ void iommu_dma_map_msi_msg(int irq, struct msi_msg *msg) +@@ -711,7 +877,7 @@ void iommu_dma_map_msi_msg(int irq, stru msg->data = ~0U; } else { msg->address_hi = upper_32_bits(msi_page->iova); @@ -727,8 +718,6 @@ index 1520e7f0..3ade4153 100644 msg->address_lo += lower_32_bits(msi_page->iova); } } -diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c -index 002f8a42..befbfd30 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -440,6 +440,7 @@ struct dmar_rmrr_unit { @@ -739,7 +728,7 @@ index 002f8a42..befbfd30 100644 }; struct dmar_atsr_unit { -@@ -4250,27 +4251,40 @@ static inline void init_iommu_pm_ops(void) {} +@@ -4250,27 +4251,40 @@ static inline void init_iommu_pm_ops(voi int __init dmar_parse_one_rmrr(struct acpi_dmar_header *header, void *arg) { struct acpi_dmar_reserved_memory *rmrr; @@ -793,7 +782,7 @@ index 002f8a42..befbfd30 100644 kfree(rmrru); } -@@ -5219,6 +5234,45 @@ static void intel_iommu_remove_device(struct device *dev) +@@ -5219,6 +5234,45 @@ static void intel_iommu_remove_device(st iommu_device_unlink(iommu->iommu_dev, dev); } @@ -839,7 +828,7 @@ index 002f8a42..befbfd30 100644 #ifdef CONFIG_INTEL_IOMMU_SVM #define MAX_NR_PASID_BITS (20) static inline unsigned long intel_iommu_get_pts(struct intel_iommu *iommu) -@@ -5349,19 +5403,21 @@ struct intel_iommu *intel_svm_device_to_iommu(struct device *dev) +@@ -5349,19 +5403,21 @@ struct intel_iommu *intel_svm_device_to_ #endif /* CONFIG_INTEL_IOMMU_SVM */ static const struct iommu_ops intel_iommu_ops = { @@ -874,8 +863,6 @@ index 002f8a42..befbfd30 100644 }; static void quirk_iommu_g4x_gfx(struct pci_dev *dev) -diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c -index 87d3060f..372fc463 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -68,6 +68,13 @@ struct iommu_group_attribute { @@ -892,7 +879,7 @@ index 87d3060f..372fc463 100644 #define IOMMU_GROUP_ATTR(_name, _mode, _show, _store) \ struct iommu_group_attribute iommu_group_attr_##_name = \ __ATTR(_name, _mode, _show, _store) -@@ -133,8 +140,131 @@ static ssize_t iommu_group_show_name(struct iommu_group *group, char *buf) +@@ -133,8 +140,131 @@ static ssize_t iommu_group_show_name(str return sprintf(buf, "%s\n", group->name); } @@ -1024,7 +1011,7 @@ index 87d3060f..372fc463 100644 static void iommu_group_release(struct kobject *kobj) { struct iommu_group *group = to_iommu_group(kobj); -@@ -212,6 +342,11 @@ struct iommu_group *iommu_group_alloc(void) +@@ -212,6 +342,11 @@ struct iommu_group *iommu_group_alloc(vo */ kobject_put(&group->kobj); @@ -1036,7 +1023,7 @@ index 87d3060f..372fc463 100644 pr_debug("Allocated group %d\n", group->id); return group; -@@ -318,7 +453,7 @@ static int iommu_group_create_direct_mappings(struct iommu_group *group, +@@ -318,7 +453,7 @@ static int iommu_group_create_direct_map struct device *dev) { struct iommu_domain *domain = group->default_domain; @@ -1045,7 +1032,7 @@ index 87d3060f..372fc463 100644 struct list_head mappings; unsigned long pg_size; int ret = 0; -@@ -331,18 +466,21 @@ static int iommu_group_create_direct_mappings(struct iommu_group *group, +@@ -331,18 +466,21 @@ static int iommu_group_create_direct_map pg_size = 1UL << __ffs(domain->pgsize_bitmap); INIT_LIST_HEAD(&mappings); @@ -1070,7 +1057,7 @@ index 87d3060f..372fc463 100644 for (addr = start; addr < end; addr += pg_size) { phys_addr_t phys_addr; -@@ -358,7 +496,7 @@ static int iommu_group_create_direct_mappings(struct iommu_group *group, +@@ -358,7 +496,7 @@ static int iommu_group_create_direct_map } out: @@ -1079,11 +1066,10 @@ index 87d3060f..372fc463 100644 return ret; } -@@ -562,6 +700,19 @@ struct iommu_group *iommu_group_get(struct device *dev) - } +@@ -563,6 +701,19 @@ struct iommu_group *iommu_group_get(stru EXPORT_SYMBOL_GPL(iommu_group_get); -+/** + /** + * iommu_group_ref_get - Increment reference on a group + * @group: the group to use, must not be NULL + * @@ -1096,10 +1082,11 @@ index 87d3060f..372fc463 100644 + return group; +} + - /** ++/** * iommu_group_put - Decrement group reference * @group: the group to use -@@ -1557,20 +1708,38 @@ int iommu_domain_set_attr(struct iommu_domain *domain, + * +@@ -1557,20 +1708,38 @@ int iommu_domain_set_attr(struct iommu_d } EXPORT_SYMBOL_GPL(iommu_domain_set_attr); @@ -1144,11 +1131,9 @@ index 87d3060f..372fc463 100644 } /* Request that a device is direct mapped by the IOMMU */ -diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c -index b12c12d7..9799daea 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c -@@ -410,6 +410,8 @@ static struct iommu_group *mtk_iommu_device_group(struct device *dev) +@@ -410,6 +410,8 @@ static struct iommu_group *mtk_iommu_dev data->m4u_group = iommu_group_alloc(); if (IS_ERR(data->m4u_group)) dev_err(dev, "Failed to allocate M4U IOMMU group\n"); @@ -1157,11 +1142,9 @@ index b12c12d7..9799daea 100644 } return data->m4u_group; } -diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c -index b8aeb076..c7063e9d 100644 --- a/drivers/iommu/mtk_iommu_v1.c +++ b/drivers/iommu/mtk_iommu_v1.c -@@ -502,6 +502,8 @@ static struct iommu_group *mtk_iommu_device_group(struct device *dev) +@@ -502,6 +502,8 @@ static struct iommu_group *mtk_iommu_dev data->m4u_group = iommu_group_alloc(); if (IS_ERR(data->m4u_group)) dev_err(dev, "Failed to allocate M4U IOMMU group\n"); @@ -1170,8 +1153,6 @@ index b8aeb076..c7063e9d 100644 } return data->m4u_group; } -diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h -index 32c58906..36d3206d 100644 --- a/include/linux/dma-iommu.h +++ b/include/linux/dma-iommu.h @@ -27,6 +27,7 @@ int iommu_dma_init(void); @@ -1182,7 +1163,7 @@ index 32c58906..36d3206d 100644 void iommu_put_dma_cookie(struct iommu_domain *domain); /* Setup call for arch DMA mapping code */ -@@ -66,6 +67,7 @@ int iommu_dma_mapping_error(struct device *dev, dma_addr_t dma_addr); +@@ -66,6 +67,7 @@ int iommu_dma_mapping_error(struct devic /* The DMA API isn't _quite_ the whole story, though... */ void iommu_dma_map_msi_msg(int irq, struct msi_msg *msg); @@ -1190,7 +1171,7 @@ index 32c58906..36d3206d 100644 #else -@@ -82,6 +84,11 @@ static inline int iommu_get_dma_cookie(struct iommu_domain *domain) +@@ -82,6 +84,11 @@ static inline int iommu_get_dma_cookie(s return -ENODEV; } @@ -1202,7 +1183,7 @@ index 32c58906..36d3206d 100644 static inline void iommu_put_dma_cookie(struct iommu_domain *domain) { } -@@ -90,6 +97,10 @@ static inline void iommu_dma_map_msi_msg(int irq, struct msi_msg *msg) +@@ -90,6 +97,10 @@ static inline void iommu_dma_map_msi_msg { } @@ -1213,8 +1194,6 @@ index 32c58906..36d3206d 100644 #endif /* CONFIG_IOMMU_DMA */ #endif /* __KERNEL__ */ #endif /* __DMA_IOMMU_H */ -diff --git a/include/linux/iommu.h b/include/linux/iommu.h -index 436dc213..188599f5 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -117,18 +117,32 @@ enum iommu_attr { @@ -1283,7 +1262,7 @@ index 436dc213..188599f5 100644 /* Window handling functions */ int (*domain_window_enable)(struct iommu_domain *domain, u32 wnd_nr, -@@ -233,9 +248,14 @@ extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t io +@@ -233,9 +248,14 @@ extern phys_addr_t iommu_iova_to_phys(st extern void iommu_set_fault_handler(struct iommu_domain *domain, iommu_fault_handler_t handler, void *token); @@ -1300,7 +1279,7 @@ index 436dc213..188599f5 100644 extern int iommu_attach_group(struct iommu_domain *domain, struct iommu_group *group); -@@ -253,6 +273,7 @@ extern void iommu_group_remove_device(struct device *dev); +@@ -253,6 +273,7 @@ extern void iommu_group_remove_device(st extern int iommu_group_for_each_dev(struct iommu_group *group, void *data, int (*fn)(struct device *, void *)); extern struct iommu_group *iommu_group_get(struct device *dev); @@ -1308,7 +1287,7 @@ index 436dc213..188599f5 100644 extern void iommu_group_put(struct iommu_group *group); extern int iommu_group_register_notifier(struct iommu_group *group, struct notifier_block *nb); -@@ -439,16 +460,22 @@ static inline void iommu_set_fault_handler(struct iommu_domain *domain, +@@ -439,16 +460,22 @@ static inline void iommu_set_fault_handl { } @@ -1333,6 +1312,3 @@ index 436dc213..188599f5 100644 static inline int iommu_request_dm_for_dev(struct device *dev) { return -ENODEV; --- -2.14.1 - |