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lib: sbi: Add sbi_domain_memregion_init() API

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This patch adds sbi_domain_memregion_init() helper API which can
be used by platform support to initialize a domain memory region
before adding it to the root domain.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Anup Patel
2021-04-09 16:02:40 +05:30
committed by Anup Patel
parent b1df1acd20
commit 7495bce6f9
2 changed files with 50 additions and 9 deletions
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14
include/sbi/sbi_domain.h
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@@ -127,6 +127,20 @@ ulong sbi_domain_get_assigned_hartmask(const struct sbi_domain *dom,
/** Initialize a domain memory region as firmware region */
void sbi_domain_memregion_initfw(struct sbi_domain_memregion *reg);
/**
* Initialize a domain memory region based on it's physical
* address and size.
*
* @param addr start physical address of memory region
* @param size physical size of memory region
* @param flags memory region flags
* @param reg pointer to memory region being initialized
*/
void sbi_domain_memregion_init(unsigned long addr,
unsigned long size,
unsigned long flags,
struct sbi_domain_memregion *reg);
/**
* Check whether we can access specified address for given mode and
* memory region flags under a domain