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msm: kgsl: Migrate SCM calls in kgsl iommu

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Adding APIs to check if KGSL SMMU is available, and programming the
SMMU Aperture size. Migrating SCM calls in the KGSL IOMMU driver.

Change-Id: I77178f3e300112fa47a8ca6861acb08d547c9875
Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
This commit is contained in:
Siddharth Gupta
2019-10-10 13:26:24 -07:00
committed by Elliot Berman
parent 11b286fb73
commit df1491d155
4 changed files with 98 additions and 0 deletions
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13
include/linux/qcom_scm.h
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@@ -56,6 +56,9 @@ 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_mem_protect_region_id(phys_addr_t paddr, size_t size);
extern int qcom_scm_mem_protect_lock_id2_flat(phys_addr_t list_addr,
size_t list_size, size_t chunk_size,
size_t memory_usage, int lock);
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);
@@ -65,6 +68,9 @@ extern int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
unsigned int *src,
const struct qcom_scm_vmperm *newvm,
unsigned int dest_cnt);
extern bool qcom_scm_kgsl_set_smmu_aperture_available(void);
extern int qcom_scm_kgsl_set_smmu_aperture(
unsigned int num_context_bank);
extern bool qcom_scm_hdcp_available(void);
extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
u32 *resp);
@@ -110,6 +116,9 @@ static inline int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare)
{ return -ENODEV; }
static inline int qcom_scm_mem_protect_region_id(phys_addr_t paddr, size_t size)
{ return -ENODEV; }
static inline int qcom_scm_mem_protect_lock_id2_flat(phys_addr_t list_addr,
size_t list_size, size_t chunk_size, size_t memory_usage,
int lock) { 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; }
@@ -119,6 +128,10 @@ 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,
unsigned int dest_cnt) { return -ENODEV; }
static inline bool qcom_scm_kgsl_set_smmu_aperture_available(void)
{ return false; }
static inline int qcom_scm_kgsl_set_smmu_aperture(
unsigned int num_context_bank) { return -ENODEV; }
static inline bool qcom_scm_hdcp_available(void) { return false; }
static inline int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
u32 *resp) { return -ENODEV; }