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lib: sbi: Simplify ipi platform operations

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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>
This commit is contained in:
Anup Patel
2021-04-22 10:27:15 +05:30
committed by Anup Patel
parent 559a8f1d3b
commit dc39c7b630
18 changed files with 72 additions and 109 deletions
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18
include/sbi/sbi_ipi.h
View File

@@ -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);

30
include/sbi/sbi_platform.h
View File

@@ -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 */
@@ -522,32 +518,6 @@ static inline void sbi_platform_irqchip_exit(const struct sbi_platform *plat)
sbi_platform_ops(plat)->irqchip_exit();
}
/**
* 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
*