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-rw-r--r--drivers/iommu/amd_iommu.c19
-rw-r--r--drivers/iommu/dmar.c7
-rw-r--r--drivers/iommu/exynos-iommu.c1
-rw-r--r--drivers/iommu/intel-iommu.c13
-rw-r--r--drivers/iommu/mtk_iommu_v1.c9
-rw-r--r--drivers/iommu/of_iommu.c2
-rw-r--r--drivers/iommu/rockchip-iommu.c3
7 files changed, 34 insertions, 20 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 87ba23a75b38..2a7b78bb98b4 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1991,16 +1991,13 @@ static void do_attach(struct iommu_dev_data *dev_data,
static void do_detach(struct iommu_dev_data *dev_data)
{
+ struct protection_domain *domain = dev_data->domain;
struct amd_iommu *iommu;
u16 alias;
iommu = amd_iommu_rlookup_table[dev_data->devid];
alias = dev_data->alias;
- /* decrease reference counters */
- dev_data->domain->dev_iommu[iommu->index] -= 1;
- dev_data->domain->dev_cnt -= 1;
-
/* Update data structures */
dev_data->domain = NULL;
list_del(&dev_data->list);
@@ -2010,6 +2007,16 @@ static void do_detach(struct iommu_dev_data *dev_data)
/* Flush the DTE entry */
device_flush_dte(dev_data);
+
+ /* Flush IOTLB */
+ domain_flush_tlb_pde(domain);
+
+ /* Wait for the flushes to finish */
+ domain_flush_complete(domain);
+
+ /* decrease reference counters - needs to happen after the flushes */
+ domain->dev_iommu[iommu->index] -= 1;
+ domain->dev_cnt -= 1;
}
/*
@@ -2617,13 +2624,13 @@ out_unmap:
bus_addr = address + s->dma_address + (j << PAGE_SHIFT);
iommu_unmap_page(domain, bus_addr, PAGE_SIZE);
- if (--mapped_pages)
+ if (--mapped_pages == 0)
goto out_free_iova;
}
}
out_free_iova:
- free_iova_fast(&dma_dom->iovad, address, npages);
+ free_iova_fast(&dma_dom->iovad, address >> PAGE_SHIFT, npages);
out_err:
return 0;
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index dc9f14811e0f..9c49300e9fb7 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -39,6 +39,7 @@
#include <linux/dmi.h>
#include <linux/slab.h>
#include <linux/iommu.h>
+#include <linux/numa.h>
#include <asm/irq_remapping.h>
#include <asm/iommu_table.h>
@@ -144,7 +145,7 @@ dmar_alloc_pci_notify_info(struct pci_dev *dev, unsigned long event)
for (tmp = dev; tmp; tmp = tmp->bus->self)
level++;
- size = sizeof(*info) + level * sizeof(struct acpi_dmar_pci_path);
+ size = sizeof(*info) + level * sizeof(info->path[0]);
if (size <= sizeof(dmar_pci_notify_info_buf)) {
info = (struct dmar_pci_notify_info *)dmar_pci_notify_info_buf;
} else {
@@ -477,7 +478,7 @@ static int dmar_parse_one_rhsa(struct acpi_dmar_header *header, void *arg)
int node = acpi_map_pxm_to_node(rhsa->proximity_domain);
if (!node_online(node))
- node = -1;
+ node = NUMA_NO_NODE;
drhd->iommu->node = node;
return 0;
}
@@ -1062,7 +1063,7 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)
iommu->msagaw = msagaw;
iommu->segment = drhd->segment;
- iommu->node = -1;
+ iommu->node = NUMA_NO_NODE;
ver = readl(iommu->reg + DMAR_VER_REG);
pr_info("%s: reg_base_addr %llx ver %d:%d cap %llx ecap %llx\n",
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 1bd0cd7168df..05c6bc099d62 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -1260,6 +1260,7 @@ static int exynos_iommu_add_device(struct device *dev)
* direct calls to pm_runtime_get/put in this driver.
*/
data->link = device_link_add(dev, data->sysmmu,
+ DL_FLAG_STATELESS |
DL_FLAG_PM_RUNTIME);
}
iommu_group_put(group);
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 2bd9ac285c0d..39a33dec4d0b 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -47,6 +47,7 @@
#include <linux/dma-contiguous.h>
#include <linux/dma-direct.h>
#include <linux/crash_dump.h>
+#include <linux/numa.h>
#include <asm/irq_remapping.h>
#include <asm/cacheflush.h>
#include <asm/iommu.h>
@@ -363,7 +364,7 @@ static int dmar_map_gfx = 1;
static int dmar_forcedac;
static int intel_iommu_strict;
static int intel_iommu_superpage = 1;
-static int intel_iommu_sm = 1;
+static int intel_iommu_sm;
static int iommu_identity_mapping;
#define IDENTMAP_ALL 1
@@ -456,9 +457,9 @@ static int __init intel_iommu_setup(char *str)
} else if (!strncmp(str, "sp_off", 6)) {
pr_info("Disable supported super page\n");
intel_iommu_superpage = 0;
- } else if (!strncmp(str, "sm_off", 6)) {
- pr_info("Intel-IOMMU: disable scalable mode support\n");
- intel_iommu_sm = 0;
+ } else if (!strncmp(str, "sm_on", 5)) {
+ pr_info("Intel-IOMMU: scalable mode supported\n");
+ intel_iommu_sm = 1;
} else if (!strncmp(str, "tboot_noforce", 13)) {
printk(KERN_INFO
"Intel-IOMMU: not forcing on after tboot. This could expose security risk for tboot\n");
@@ -1716,7 +1717,7 @@ static struct dmar_domain *alloc_domain(int flags)
return NULL;
memset(domain, 0, sizeof(*domain));
- domain->nid = -1;
+ domain->nid = NUMA_NO_NODE;
domain->flags = flags;
domain->has_iotlb_device = false;
INIT_LIST_HEAD(&domain->devices);
@@ -5294,7 +5295,7 @@ static void intel_iommu_put_resv_regions(struct device *dev,
struct iommu_resv_region *entry, *next;
list_for_each_entry_safe(entry, next, head, list) {
- if (entry->type == IOMMU_RESV_RESERVED)
+ if (entry->type == IOMMU_RESV_MSI)
kfree(entry);
}
}
diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c
index 6ede4286b835..7e0df67bd3e9 100644
--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -232,9 +232,8 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_data *data)
spin_lock_init(&dom->pgtlock);
- dom->pgt_va = dma_zalloc_coherent(data->dev,
- M2701_IOMMU_PGT_SIZE,
- &dom->pgt_pa, GFP_KERNEL);
+ dom->pgt_va = dma_alloc_coherent(data->dev, M2701_IOMMU_PGT_SIZE,
+ &dom->pgt_pa, GFP_KERNEL);
if (!dom->pgt_va)
return -ENOMEM;
@@ -442,6 +441,10 @@ static int mtk_iommu_add_device(struct device *dev)
iommu_spec.args_count = count;
mtk_iommu_create_mapping(dev, &iommu_spec);
+
+ /* dev->iommu_fwspec might have changed */
+ fwspec = dev_iommu_fwspec_get(dev);
+
of_node_put(iommu_spec.np);
}
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index d8947b28db2d..f04a6df65eb8 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -224,7 +224,7 @@ const struct iommu_ops *of_iommu_configure(struct device *dev,
* If we have reason to believe the IOMMU driver missed the initial
* probe for dev, replay it to get things in order.
*/
- if (dev->bus && !device_iommu_mapped(dev))
+ if (!err && dev->bus && !device_iommu_mapped(dev))
err = iommu_probe_device(dev);
/* Ignore all other errors apart from EPROBE_DEFER */
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index c9ba9f377f63..77d4bd93fe4b 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1071,7 +1071,8 @@ static int rk_iommu_add_device(struct device *dev)
iommu_group_put(group);
iommu_device_link(&iommu->iommu, dev);
- data->link = device_link_add(dev, iommu->dev, DL_FLAG_PM_RUNTIME);
+ data->link = device_link_add(dev, iommu->dev,
+ DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME);
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-22 04:45:02 +0300