include/linux/firmware/qcom/qcom_tzmem.h

Source file repositories/reference/linux-study-clean/include/linux/firmware/qcom/qcom_tzmem.h

File Facts

System
Linux kernel
Corpus path
include/linux/firmware/qcom/qcom_tzmem.h
Extension
.h
Size
2059 bytes
Lines
81
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct qcom_tzmem_pool_config {
	size_t initial_size;
	enum qcom_tzmem_policy policy;
	size_t increment;
	size_t max_size;
};

struct qcom_tzmem_pool *
qcom_tzmem_pool_new(const struct qcom_tzmem_pool_config *config);
void qcom_tzmem_pool_free(struct qcom_tzmem_pool *pool);
struct qcom_tzmem_pool *
devm_qcom_tzmem_pool_new(struct device *dev,
			 const struct qcom_tzmem_pool_config *config);

void *qcom_tzmem_alloc(struct qcom_tzmem_pool *pool, size_t size, gfp_t gfp);
void qcom_tzmem_free(void *ptr);

DEFINE_FREE(qcom_tzmem, void *, if (_T) qcom_tzmem_free(_T))

phys_addr_t qcom_tzmem_to_phys(void *ptr);

#if IS_ENABLED(CONFIG_QCOM_TZMEM_MODE_SHMBRIDGE)
int qcom_tzmem_shm_bridge_create(phys_addr_t paddr, size_t size, u64 *handle);
void qcom_tzmem_shm_bridge_delete(u64 handle);
#else
static inline int qcom_tzmem_shm_bridge_create(phys_addr_t paddr,
					       size_t size, u64 *handle)
{
	return 0;
}

static inline void qcom_tzmem_shm_bridge_delete(u64 handle)
{
}
#endif

#endif /* __QCOM_TZMEM */

Annotation

Implementation Notes