diff options
| author | Atish Patra <atish.patra@wdc.com> | 2020-03-18 04:11:38 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2020-03-31 21:25:45 +0300 |
| commit | 1ef46c231df4b856559ec0234bfcbb41a1180b97 (patch) | |
| tree | bdb2f05e5b0412e732fa27656a1b176f1696a4f9 /arch/riscv/include | |
| parent | efca13989250c3edebaf8fcaa8ca7c966739c65a (diff) | |
| download | linux-1ef46c231df4b856559ec0234bfcbb41a1180b97.tar.xz | |
RISC-V: Implement new SBI v0.2 extensions
Few v0.1 SBI calls are being replaced by new SBI calls that follows v0.2
calling convention.
Implement the replacement extensions and few additional new SBI function calls
that makes way for a better SBI interface in future.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/include')
| -rw-r--r-- | arch/riscv/include/asm/sbi.h | 14 | ||||
| -rw-r--r-- | arch/riscv/include/asm/smp.h | 7 |
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index d712b61f8dbc..29ce2c494386 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -96,6 +96,20 @@ void sbi_remote_sfence_vma_asid(const unsigned long *hart_mask, unsigned long start, unsigned long size, unsigned long asid); +int sbi_remote_hfence_gvma(const unsigned long *hart_mask, + unsigned long start, + unsigned long size); +int sbi_remote_hfence_gvma_vmid(const unsigned long *hart_mask, + unsigned long start, + unsigned long size, + unsigned long vmid); +int sbi_remote_hfence_vvma(const unsigned long *hart_mask, + unsigned long start, + unsigned long size); +int sbi_remote_hfence_vvma_asid(const unsigned long *hart_mask, + unsigned long start, + unsigned long size, + unsigned long asid); int sbi_probe_extension(int ext); /* Check if current SBI specification version is 0.1 or not */ diff --git a/arch/riscv/include/asm/smp.h b/arch/riscv/include/asm/smp.h index a83451d73a4e..023f74fb8b3b 100644 --- a/arch/riscv/include/asm/smp.h +++ b/arch/riscv/include/asm/smp.h @@ -61,5 +61,12 @@ static inline unsigned long cpuid_to_hartid_map(int cpu) return boot_cpu_hartid; } +static inline void riscv_cpuid_to_hartid_mask(const struct cpumask *in, + struct cpumask *out) +{ + cpumask_clear(out); + cpumask_set_cpu(boot_cpu_hartid, out); +} + #endif /* CONFIG_SMP */ #endif /* _ASM_RISCV_SMP_H */ |