diff options
| author | Shyam Sundar S K <Shyam-sundar.S-k@amd.com> | 2026-01-15 09:34:48 -0800 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2026-01-21 10:52:04 +0200 |
| commit | 118222e20d16caf38264b850d7a386e5f063008c (patch) | |
| tree | 2adddbc1a4ad68ea5844763abba01407a4ec1c52 /include/linux | |
| parent | 7b85137caf110a09a4a18f00f730de4709f9afc8 (diff) | |
platform/x86/amd/pmf: Introduce new interface to export NPU metrics
The PMF driver retrieves NPU metrics data from the PMFW. Introduce a new
interface to make NPU metrics accessible to other drivers like AMDXDNA
driver, which can access and utilize this information as needed.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Co-developed-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Patil Rajesh Reddy <Patil.Reddy@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
[lizhi: save return value of is_npu_metrics_supported() and return it]
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260115173448.403826-1-lizhi.hou@amd.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/amd-pmf-io.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/amd-pmf-io.h b/include/linux/amd-pmf-io.h index 6fa510f419c0..55198d2875cc 100644 --- a/include/linux/amd-pmf-io.h +++ b/include/linux/amd-pmf-io.h @@ -61,5 +61,26 @@ enum laptop_placement { LP_UNDEFINED, }; +/** + * struct amd_pmf_npu_metrics: Get NPU metrics data from PMF driver + * @npuclk_freq: NPU clock frequency [MHz] + * @npu_busy: NPU busy % [0-100] + * @npu_power: NPU power [mW] + * @mpnpuclk_freq: MPNPU [MHz] + * @npu_reads: NPU read bandwidth [MB/sec] + * @npu_writes: NPU write bandwidth [MB/sec] + */ +struct amd_pmf_npu_metrics { + u16 npuclk_freq; + u16 npu_busy[8]; + u16 npu_power; + u16 mpnpuclk_freq; + u16 npu_reads; + u16 npu_writes; +}; + int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op); + +/* AMD PMF and NPU interface */ +int amd_pmf_get_npu_data(struct amd_pmf_npu_metrics *info); #endif |