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iommu/vt-d: Relocate struct/function declarations to its header files

Browse source 
To reuse the static functions and the struct declarations, move them to
corresponding header files and export the needed functions.

Cc: Lu Baolu <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: Jacob Pan <[email protected]>
Cc: Ashok Raj <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Gayatri Kammela <[email protected]>
Signed-off-by: Sohil Mehta <[email protected]>
Signed-off-by: Joerg Roedel <[email protected]>
This commit is contained in:
Sohil Mehta 2018-09-11 17:11:36 -07:00 • committed by Joerg Roedel
commit 26b86092c4
4 changed files with 36 additions and 29 deletions
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31
drivers/iommu/intel-iommu.c
View file

@ -185,16 +185,6 @@ static int rwbf_quirk;
static int force_on = 0;
int intel_iommu_tboot_noforce;
/*
* 0: Present
* 1-11: Reserved
* 12-63: Context Ptr (12 - (haw-1))
* 64-127: Reserved
*/
struct root_entry {
u64 lo;
u64 hi;
};
#define ROOT_ENTRY_NR (VTD_PAGE_SIZE/sizeof(struct root_entry))
/*
@ -220,21 +210,6 @@ static phys_addr_t root_entry_uctp(struct root_entry *re)
return re->hi & VTD_PAGE_MASK;
}
/*
* low 64 bits:
* 0: present
* 1: fault processing disable
* 2-3: translation type
* 12-63: address space root
* high 64 bits:
* 0-2: address width
* 3-6: aval
* 8-23: domain id
*/
struct context_entry {
u64 lo;
u64 hi;
};
static inline void context_clear_pasid_enable(struct context_entry *context)
{
@ -261,7 +236,7 @@ static inline bool __context_present(struct context_entry *context)
return (context->lo & 1);
}
static inline bool context_present(struct context_entry *context)
bool context_present(struct context_entry *context)
{
return context_pasid_enabled(context) ?
__context_present(context) :
@ -788,8 +763,8 @@ static void domain_update_iommu_cap(struct dmar_domain *domain)
domain->iommu_superpage = domain_update_iommu_superpage(NULL);
}
static inline struct context_entry *iommu_context_addr(struct intel_iommu *iommu,
u8 bus, u8 devfn, int alloc)
struct context_entry *iommu_context_addr(struct intel_iommu *iommu, u8 bus,
u8 devfn, int alloc)
{
struct root_entry *root = &iommu->root_entry[bus];
struct context_entry *context;

2
drivers/iommu/intel_irq_remapping.c
View file

@ -76,7 +76,7 @@ static struct hpet_scope ir_hpet[MAX_HPET_TBS];
* in single-threaded environment with interrupt disabled, so no need to tabke
* the dmar_global_lock.
*/
static DEFINE_RAW_SPINLOCK(irq_2_ir_lock);
DEFINE_RAW_SPINLOCK(irq_2_ir_lock);
static const struct irq_domain_ops intel_ir_domain_ops;
static void iommu_disable_irq_remapping(struct intel_iommu *iommu);