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lib: sbi: Add sbi_domain_check_addr_range() function

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We add sbi_domain_check_addr_range() helper function to check
whether a given address range is accessible under a particular
domain.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
This commit is contained in:
Anup Patel
2022-11-23 11:46:16 +05:30
committed by Anup Patel
parent 4e0572f57b
commit eab48c33a1
2 changed files with 84 additions and 0 deletions
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15
include/sbi/sbi_domain.h
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@@ -196,6 +196,21 @@ bool sbi_domain_check_addr(const struct sbi_domain *dom,
unsigned long addr, unsigned long mode,
unsigned long access_flags);
/**
* Check whether we can access specified address range for given mode and
* memory region flags under a domain
* @param dom pointer to domain
* @param addr the start of the address range to be checked
* @param size the size of the address range to be checked
* @param mode the privilege mode of access
* @param access_flags bitmask of domain access types (enum sbi_domain_access)
* @return TRUE if access allowed otherwise FALSE
*/
bool sbi_domain_check_addr_range(const struct sbi_domain *dom,
unsigned long addr, unsigned long size,
unsigned long mode,
unsigned long access_flags);
/** Dump domain details on the console */
void sbi_domain_dump(const struct sbi_domain *dom, const char *suffix);