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iommu/vt-d: Move private structures and variables into intel-iommu.c
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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@linux.intel.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
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Jiang Liu authored and Joerg Roedel committed Mar 4, 2014
1 parent bb3a6b7 commit b94e411
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Showing 2 changed files with 26 additions and 28 deletions.
31 changes: 25 additions & 6 deletions drivers/iommu/intel-iommu.c
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand All @@ -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;
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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;
Expand Down
23 changes: 1 addition & 22 deletions include/linux/dmar.h
Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down

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