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iommu/arm-smmu: Migrate SCM IO calls in arm-smmu

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Migrate SCM IO read calls in the smmu driver to use new SCM driver.
Add support for io-pgtable-msm-secure map and unmap in SCM driver.

Change-Id: If1ce054b9cfcfdcdab3aecc6752fcd4765197a05
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
This commit is contained in:
Siddharth Gupta
2019-09-11 18:04:07 -07:00
committed by Elliot Berman
parent e061e5f060
commit 050d2dca67
5 changed files with 97 additions and 6 deletions
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10
include/linux/qcom_scm.h
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@@ -53,6 +53,11 @@ extern void qcom_scm_mmu_sync(bool sync);
extern int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare);
extern int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size);
extern int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare);
extern int qcom_scm_iommu_secure_map(phys_addr_t sg_list_addr, size_t num_sg,
size_t sg_block_size, u64 sec_id, int cbndx,
unsigned long iova, size_t total_len);
extern int qcom_scm_iommu_secure_unmap(u64 sec_id, int cbndx,
unsigned long iova, size_t total_len);
extern int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
unsigned int *src,
const struct qcom_scm_vmperm *newvm,
@@ -95,6 +100,11 @@ static inline int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size)
{ return -ENODEV; }
static inline int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare)
{ return -ENODEV; }
static inline int qcom_scm_iommu_secure_map(phys_addr_t sg_list_addr,
size_t num_sg, size_t sg_block_size, u64 sec_id, int cbndx,
unsigned long iova, size_t total_len) { return -ENODEV; }
static inline int qcom_scm_iommu_secure_unmap(u64 sec_id, int cbndx,
unsigned long iova, size_t total_len) { return -ENODEV; }
static inline int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
unsigned int *src,
const struct qcom_scm_vmperm *newvm,