diff options
| author | GUI <[email protected]> | 2024-05-28 14:08:33 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2024-05-28 14:08:33 +0800 |
| commit | 6f6b0c3ba0f308bccb5a83fa70ae1200592f13ce (patch) | |
| tree | 5cada9d72246e42c3fd9a1ee3e3c1e5d8f46c60e /components/drivers/include | |
| parent | 952f2c43f8a10f815f34307c7d184af8f08011ba (diff) | |
[DM/feature] Simple NUMA (Non-Uniform Memory Access) (#9000)
For some CPU memory access devices, that the drivers
will find memory and CPU affinity to config device.
Signed-off-by: GuEe-GUI <[email protected]>
Diffstat (limited to 'components/drivers/include')
| -rw-r--r-- | components/drivers/include/drivers/core/numa.h | 25 | ||||
| -rw-r--r-- | components/drivers/include/rtdevice.h | 1 |
2 files changed, 26 insertions, 0 deletions
diff --git a/components/drivers/include/drivers/core/numa.h b/components/drivers/include/drivers/core/numa.h new file mode 100644 index 0000000000..e4d35981fb --- /dev/null +++ b/components/drivers/include/drivers/core/numa.h @@ -0,0 +1,25 @@ +/* + * Copyright (c) 2006-2023, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2023-09-24 GuEe-GUI the first version + */ + +#ifndef __RT_DM_NUMA_H__ +#define __RT_DM_NUMA_H__ + +#include <rthw.h> +#include <rtthread.h> + +#include <bitmap.h> + +/* NUMA: Non-Uniform Memory Access */ + +int rt_numa_cpu_id(int cpuid); +int rt_numa_device_id(struct rt_device *dev); +rt_err_t rt_numa_memory_affinity(rt_uint64_t phy_addr, rt_bitmap_t *out_affinity); + +#endif /* __RT_DM_NUMA_H__ */ diff --git a/components/drivers/include/rtdevice.h b/components/drivers/include/rtdevice.h index afb5bb2533..863e9d8503 100644 --- a/components/drivers/include/rtdevice.h +++ b/components/drivers/include/rtdevice.h @@ -41,6 +41,7 @@ extern "C" { #ifdef RT_USING_DM #include "drivers/core/dm.h" +#include "drivers/core/numa.h" #include "drivers/platform.h" #ifdef RT_USING_OFW |