diff options
| author | Sunil V L <sunilvl@ventanamicro.com> | 2023-10-18 15:40:06 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-10-26 19:40:33 +0300 |
| commit | 9ca87564190cf0e5bb72695fb0db9947fcc47843 (patch) | |
| tree | 4c0c69eb81ae503a551ce49f7d2ad44836147284 /arch/riscv/include | |
| parent | a06835227280436c1aae021a3f43d3abfcba3835 (diff) | |
| download | linux-9ca87564190cf0e5bb72695fb0db9947fcc47843.tar.xz | |
RISC-V: ACPI: RHCT: Add function to get CBO block sizes
Cache Block Operation (CBO) related block size in ACPI is provided by RHCT.
Add support to read the CMO node in RHCT to get this information.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20231018124007.1306159-4-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/include')
| -rw-r--r-- | arch/riscv/include/asm/acpi.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/acpi.h b/arch/riscv/include/asm/acpi.h index d5604d2073bc..7dad0cf9d701 100644 --- a/arch/riscv/include/asm/acpi.h +++ b/arch/riscv/include/asm/acpi.h @@ -66,6 +66,8 @@ int acpi_get_riscv_isa(struct acpi_table_header *table, unsigned int cpu, const char **isa); static inline int acpi_numa_get_nid(unsigned int cpu) { return NUMA_NO_NODE; } +void acpi_get_cbo_block_size(struct acpi_table_header *table, u32 *cbom_size, + u32 *cboz_size, u32 *cbop_size); #else static inline void acpi_init_rintc_map(void) { } static inline struct acpi_madt_rintc *acpi_cpu_get_madt_rintc(int cpu) @@ -79,6 +81,10 @@ static inline int acpi_get_riscv_isa(struct acpi_table_header *table, return -EINVAL; } +static inline void acpi_get_cbo_block_size(struct acpi_table_header *table, + u32 *cbom_size, u32 *cboz_size, + u32 *cbop_size) { } + #endif /* CONFIG_ACPI */ #endif /*_ASM_ACPI_H*/ |