diff options
| author | Anup Patel <anup.patel@wdc.com> | 2021-04-22 10:27:15 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2021-04-28 17:03:31 +0530 |
| commit | dc39c7b630a607b96c25f8ea50f0bb1af619928a (patch) | |
| tree | f0c1d9ae8c5a68cc38e4ffba772f50f43111e715 /include | |
| parent | 559a8f1d3be3210d4903c0db54c2d36e2f8d6ad4 (diff) | |
lib: sbi: Simplify ipi platform operations
Instead of having ipi_send() and ipi_clear() callbacks in
platform operations, it will be much simpler for ipi driver
to directly register these operations as a device to sbi_ipi
implementation.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi/sbi_ipi.h | 18 | ||||
| -rw-r--r-- | include/sbi/sbi_platform.h | 30 | ||||
| -rw-r--r-- | include/sbi_utils/ipi/fdt_ipi.h | 6 | ||||
| -rw-r--r-- | include/sbi_utils/sys/clint.h | 4 |
4 files changed, 18 insertions, 40 deletions
diff --git a/include/sbi/sbi_ipi.h b/include/sbi/sbi_ipi.h index 617872c..fb7d658 100644 --- a/include/sbi/sbi_ipi.h +++ b/include/sbi/sbi_ipi.h @@ -18,6 +18,18 @@ /* clang-format on */ +/** IPI hardware device */ +struct sbi_ipi_device { + /** Name of the IPI device */ + char name[32]; + + /** Send IPI to a target HART */ + void (*ipi_send)(u32 target_hart); + + /** Clear IPI for a target HART */ + void (*ipi_clear)(u32 target_hart); +}; + struct sbi_scratch; /** IPI event operations or callbacks */ @@ -63,6 +75,12 @@ int sbi_ipi_send_halt(ulong hmask, ulong hbase); void sbi_ipi_process(void); +void sbi_ipi_raw_send(u32 target_hart); + +const struct sbi_ipi_device *sbi_ipi_get_device(void); + +void sbi_ipi_set_device(const struct sbi_ipi_device *dev); + int sbi_ipi_init(struct sbi_scratch *scratch, bool cold_boot); void sbi_ipi_exit(struct sbi_scratch *scratch); diff --git a/include/sbi/sbi_platform.h b/include/sbi/sbi_platform.h index a2084c1..2756d73 100644 --- a/include/sbi/sbi_platform.h +++ b/include/sbi/sbi_platform.h @@ -101,10 +101,6 @@ struct sbi_platform_operations { /** Exit the platform interrupt controller for current HART */ void (*irqchip_exit)(void); - /** Send IPI to a target HART */ - void (*ipi_send)(u32 target_hart); - /** Clear IPI for a target HART */ - void (*ipi_clear)(u32 target_hart); /** Initialize IPI for current HART */ int (*ipi_init)(bool cold_boot); /** Exit IPI for current HART */ @@ -523,32 +519,6 @@ static inline void sbi_platform_irqchip_exit(const struct sbi_platform *plat) } /** - * Send IPI to a target HART - * - * @param plat pointer to struct sbi_platform - * @param target_hart HART ID of IPI target - */ -static inline void sbi_platform_ipi_send(const struct sbi_platform *plat, - u32 target_hart) -{ - if (plat && sbi_platform_ops(plat)->ipi_send) - sbi_platform_ops(plat)->ipi_send(target_hart); -} - -/** - * Clear IPI for a target HART - * - * @param plat pointer to struct sbi_platform - * @param target_hart HART ID of IPI target - */ -static inline void sbi_platform_ipi_clear(const struct sbi_platform *plat, - u32 target_hart) -{ - if (plat && sbi_platform_ops(plat)->ipi_clear) - sbi_platform_ops(plat)->ipi_clear(target_hart); -} - -/** * Initialize the platform IPI support for current HART * * @param plat pointer to struct sbi_platform diff --git a/include/sbi_utils/ipi/fdt_ipi.h b/include/sbi_utils/ipi/fdt_ipi.h index e817141..9337353 100644 --- a/include/sbi_utils/ipi/fdt_ipi.h +++ b/include/sbi_utils/ipi/fdt_ipi.h @@ -17,14 +17,8 @@ struct fdt_ipi { int (*cold_init)(void *fdt, int nodeoff, const struct fdt_match *match); int (*warm_init)(void); void (*exit)(void); - void (*send)(u32 target_hart); - void (*clear)(u32 target_hart); }; -void fdt_ipi_send(u32 target_hart); - -void fdt_ipi_clear(u32 target_hart); - void fdt_ipi_exit(void); int fdt_ipi_init(bool cold_boot); diff --git a/include/sbi_utils/sys/clint.h b/include/sbi_utils/sys/clint.h index e102196..1e2b40b 100644 --- a/include/sbi_utils/sys/clint.h +++ b/include/sbi_utils/sys/clint.h @@ -29,10 +29,6 @@ struct clint_data { void (*time_wr)(u64 value, volatile u64 *addr); }; -void clint_ipi_send(u32 target_hart); - -void clint_ipi_clear(u32 target_hart); - int clint_warm_ipi_init(void); int clint_cold_ipi_init(struct clint_data *clint); |