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iommu/vt-d: Make domain attach helpers to be extern

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This makes the helpers visible to nested.c.

Link: https://lore.kernel.org/r/20231026044216.64964-6-yi.l.liu@intel.com
Suggested-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Yi Liu 2023-10-25 21:42:13 -07:00 committed by Jason Gunthorpe
parent 111bf85c68
commit d86724d4dc
2 changed files with 13 additions and 9 deletions
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15
drivers/iommu/intel/iommu.c
View file

@ -282,7 +282,6 @@ static LIST_HEAD(dmar_satc_units);
#define for_each_rmrr_units(rmrr) \
list_for_each_entry(rmrr, &dmar_rmrr_units, list)
static void device_block_translation(struct device *dev);
static void intel_iommu_domain_free(struct iommu_domain *domain);
int dmar_disabled = !IS_ENABLED(CONFIG_INTEL_IOMMU_DEFAULT_ON);
@ -561,7 +560,7 @@ static unsigned long domain_super_pgsize_bitmap(struct dmar_domain *domain)
}
/* Some capabilities may be different across iommus */
static void domain_update_iommu_cap(struct dmar_domain *domain)
void domain_update_iommu_cap(struct dmar_domain *domain)
{
domain_update_iommu_coherency(domain);
domain->iommu_superpage = domain_update_iommu_superpage(domain, NULL);
@ -1779,8 +1778,7 @@ static struct dmar_domain *alloc_domain(unsigned int type)
return domain;
}
static int domain_attach_iommu(struct dmar_domain *domain,
struct intel_iommu *iommu)
int domain_attach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu)
{
struct iommu_domain_info *info, *curr;
unsigned long ndomains;
@ -1829,8 +1827,7 @@ static int domain_attach_iommu(struct dmar_domain *domain,
return ret;
}
static void domain_detach_iommu(struct dmar_domain *domain,
struct intel_iommu *iommu)
void domain_detach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu)
{
struct iommu_domain_info *info;
@ -3975,7 +3972,7 @@ static void dmar_remove_one_dev_info(struct device *dev)
* all DMA requests without PASID from the device are blocked. If the page
* table has been set, clean up the data structures.
*/
static void device_block_translation(struct device *dev)
void device_block_translation(struct device *dev)
{
struct device_domain_info *info = dev_iommu_priv_get(dev);
struct intel_iommu *iommu = info->iommu;
@ -4128,8 +4125,8 @@ static void intel_iommu_domain_free(struct iommu_domain *domain)
domain_exit(to_dmar_domain(domain));
}
static int prepare_domain_attach_device(struct iommu_domain *domain,
struct device *dev)
int prepare_domain_attach_device(struct iommu_domain *domain,
struct device *dev)
{
struct dmar_domain *dmar_domain = to_dmar_domain(domain);
struct intel_iommu *iommu;

7
drivers/iommu/intel/iommu.h
View file

@ -878,6 +878,13 @@ int qi_submit_sync(struct intel_iommu *iommu, struct qi_desc *desc,
*/
#define QI_OPT_WAIT_DRAIN BIT(0)
int domain_attach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu);
void domain_detach_iommu(struct dmar_domain *domain, struct intel_iommu *iommu);
void device_block_translation(struct device *dev);
int prepare_domain_attach_device(struct iommu_domain *domain,
struct device *dev);
void domain_update_iommu_cap(struct dmar_domain *domain);
int dmar_ir_support(void);
void *alloc_pgtable_page(int node, gfp_t gfp);