diff options
| author | Samuel Holland <samuel@sholland.org> | 2022-06-13 04:03:51 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2022-06-13 09:24:06 +0300 |
| commit | 415ecf28f7ade7ba5a48a0cc9be8d45a7539dd89 (patch) | |
| tree | aea0fe307ee8c36625d08b7cba90b971f3461346 /include | |
| parent | 8c362e7d065eaf4d55da23a190a464ba870f89aa (diff) | |
| download | opensbi-415ecf28f7ade7ba5a48a0cc9be8d45a7539dd89.tar.xz | |
lib: irqchip/plic: Add context save/restore helpers
These can be used by platform code to save the PLIC context state, if
it would otherwise be lost during non-retentive suspend. The platform
is responsible for allocating all necessary storage.
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi_utils/irqchip/plic.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/sbi_utils/irqchip/plic.h b/include/sbi_utils/irqchip/plic.h index 8f21af6..21b2266 100644 --- a/include/sbi_utils/irqchip/plic.h +++ b/include/sbi_utils/irqchip/plic.h @@ -17,6 +17,12 @@ struct plic_data { unsigned long num_src; }; +void plic_context_save(const struct plic_data *plic, int context_id, + u32 *enable, u32 *threshold); + +void plic_context_restore(const struct plic_data *plic, int context_id, + const u32 *enable, u32 threshold); + int plic_context_init(const struct plic_data *plic, int context_id, bool enable, u32 threshold); |