Move private structures and variables into intel-iommu.c, which will
help to simplify locking policy for hotplug. Also delete redundant
declarations.
Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
drivers/iommu/intel-iommu.c | 31 +++++++++++++++++++++++++------
include/linux/dmar.h | 23 +----------------------
2 files changed, 26 insertions(+), 28 deletions(-)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 5a411e8..fffe3d1 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -380,6 +380,29 @@ struct device_domain_info {
struct dmar_domain *domain; /* pointer to domain */
};
+struct dmar_rmrr_unit {
+ struct list_head list; /* list of rmrr units */
+ struct acpi_dmar_header *hdr; /* ACPI header */
+ u64 base_address; /* reserved base address*/
+ u64 end_address; /* reserved end address */
+ struct pci_dev **devices; /* target devices */
+ int devices_cnt; /* target device count */
+};
+
+struct dmar_atsr_unit {
+ struct list_head list; /* list of ATSR units */
+ struct acpi_dmar_header *hdr; /* ACPI header */
+ struct pci_dev **devices; /* target devices */
+ int devices_cnt; /* target device count */
+ u8 include_all:1; /* include all ports */
+};
+
+static LIST_HEAD(dmar_atsr_units);
+static LIST_HEAD(dmar_rmrr_units);
+
+#define for_each_rmrr_units(rmrr) \
+ list_for_each_entry(rmrr, &dmar_rmrr_units, list)
+
static void flush_unmaps_timeout(unsigned long data);
static DEFINE_TIMER(unmap_timer, flush_unmaps_timeout, 0, 0);
@@ -403,6 +426,8 @@ static int timer_on;
static long list_size;
static void domain_remove_dev_info(struct dmar_domain *domain);
+static void domain_remove_one_dev_info(struct dmar_domain *domain,
+ struct pci_dev *pdev);
#ifdef CONFIG_INTEL_IOMMU_DEFAULT_ON
int dmar_disabled = 0;
@@ -2243,8 +2268,6 @@ static int __init si_domain_init(int hw)
return 0;
}
-static void domain_remove_one_dev_info(struct dmar_domain *domain,
- struct pci_dev *pdev);
static int identity_mapping(struct pci_dev *pdev)
{
struct device_domain_info *info;
@@ -3432,8 +3455,6 @@ static void __init init_iommu_pm_ops(void)
static inline void init_iommu_pm_ops(void) {}
#endif /* CONFIG_PM */
-LIST_HEAD(dmar_rmrr_units);
-
static void __init dmar_register_rmrr_unit(struct dmar_rmrr_unit *rmrr)
{
list_add(&rmrr->list, &dmar_rmrr_units);
@@ -3470,8 +3491,6 @@ rmrr_parse_dev(struct dmar_rmrr_unit *rmrru)
rmrr->segment);
}
-static LIST_HEAD(dmar_atsr_units);
-
int __init dmar_parse_one_atsr(struct acpi_dmar_header *hdr)
{
struct acpi_dmar_atsr *atsr;
diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 1b08ce8..ea599d4 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -139,28 +139,7 @@ extern int arch_setup_dmar_msi(unsigned int irq);
#ifdef CONFIG_INTEL_IOMMU
extern int iommu_detected, no_iommu;
-extern struct list_head dmar_rmrr_units;
-struct dmar_rmrr_unit {
- struct list_head list; /* list of rmrr units */
- struct acpi_dmar_header *hdr; /* ACPI header */
- u64 base_address; /* reserved base address*/
- u64 end_address; /* reserved end address */
- struct pci_dev **devices; /* target devices */
- int devices_cnt; /* target device count */
-};
-
-#define for_each_rmrr_units(rmrr) \
- list_for_each_entry(rmrr, &dmar_rmrr_units, list)
-
-struct dmar_atsr_unit {
- struct list_head list; /* list of ATSR units */
- struct acpi_dmar_header *hdr; /* ACPI header */
- struct pci_dev **devices; /* target devices */
- int devices_cnt; /* target device count */
- u8 include_all:1; /* include all ports */
-};
-
-int dmar_parse_rmrr_atsr_dev(void);
+extern int dmar_parse_rmrr_atsr_dev(void);
extern int dmar_parse_one_rmrr(struct acpi_dmar_header *header);
extern int dmar_parse_one_atsr(struct acpi_dmar_header *header);
extern int intel_iommu_init(void);
--
1.7.10.4
--
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