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board/control: add irq affinity control

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add support for set an IRQ affinity to CPUs by software

Signed-off-by: chao an <anchao@lixiang.com>
This commit is contained in:
chao an 2024-03-28 18:27:31 +08:00 committed by Xiang Xiao
parent 4b3b22cbeb
commit f732428331
3 changed files with 29 additions and 1 deletions
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7
boards/Kconfig
View File

@ -4703,6 +4703,13 @@ config BOARDCTL_TESTSET
Enables support for the BOARDIOC_SPINLOCK boardctl() command.
Architecture specific logic must provide up_testset() interface.
config BOARDCTL_IRQ_AFFINITY
bool "Set an IRQ affinity to CPUs by software"
default n
depends on SMP
---help---
Enables support for Set an IRQ affinity to CPUs by software.
config BOARDCTL_IOCTL
bool "Board-specific boardctl() commands"
default n

20
boards/boardctl.c
View File

@ -30,6 +30,7 @@
#include <errno.h>
#include <assert.h>
#include <nuttx/arch.h>
#include <nuttx/board.h>
#include <nuttx/lib/modlib.h>
#include <nuttx/binfmt/symtab.h>
@ -835,6 +836,25 @@ int boardctl(unsigned int cmd, uintptr_t arg)
break;
#endif
#ifdef CONFIG_BOARDCTL_IRQ_AFFINITY
/* CMD: BOARDIOC_IRQ_AFFINITY
* DESCRIPTION: Set an IRQ affinity by software.
* ARG: Integer array:
member 0 is the interrupt number
member 1 is the CPU index
* CONFIGURATION: CONFIG_BOARDCTL_IRQ_AFFINITY
* DEPENDENCIES: Bound Multi-Processing (CONFIG_BMP)
*/
case BOARDIOC_IRQ_AFFINITY:
{
FAR unsigned int *affinity = (FAR unsigned int *)arg;
up_affinity_irq(affinity[0], affinity[1]);
ret = OK;
}
break;
#endif
default:
{
#ifdef CONFIG_BOARDCTL_IOCTL

3
include/sys/boardctl.h
View File

@ -209,6 +209,7 @@
#define BOARDIOC_SWITCH_BOOT _BOARDIOC(0x0013)
#define BOARDIOC_BOOT_IMAGE _BOARDIOC(0x0014)
#define BOARDIOC_RESET_CAUSE _BOARDIOC(0x0015)
#define BOARDIOC_IRQ_AFFINITY _BOARDIOC(0x0016)
/* If CONFIG_BOARDCTL_IOCTL=y, then board-specific commands will be support.
* In this case, all commands not recognized by boardctl() will be forwarded
@ -217,7 +218,7 @@
* User defined board commands may begin with this value:
*/
#define BOARDIOC_USER _BOARDIOC(0x0016)
#define BOARDIOC_USER _BOARDIOC(0x0017)
/****************************************************************************
* Public Type Definitions