diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/habanalabs_ioctl.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs_ioctl.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c index ba8217fc9425..32e6af1db4e3 100644 --- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c @@ -403,6 +403,25 @@ static int total_energy_consumption_info(struct hl_fpriv *hpriv, min((size_t) max_size, sizeof(total_energy))) ? -EFAULT : 0; } +static int pll_frequency_info(struct hl_fpriv *hpriv, struct hl_info_args *args) +{ + struct hl_device *hdev = hpriv->hdev; + struct hl_pll_frequency_info freq_info = {0}; + u32 max_size = args->return_size; + void __user *out = (void __user *) (uintptr_t) args->return_pointer; + int rc; + + if ((!max_size) || (!out)) + return -EINVAL; + + rc = hl_fw_cpucp_pll_info_get(hdev, args->pll_index, freq_info.output); + if (rc) + return rc; + + return copy_to_user(out, &freq_info, + min((size_t) max_size, sizeof(freq_info))) ? -EFAULT : 0; +} + static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, struct device *dev) { @@ -480,6 +499,9 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, case HL_INFO_TOTAL_ENERGY: return total_energy_consumption_info(hpriv, args); + case HL_INFO_PLL_FREQUENCY: + return pll_frequency_info(hpriv, args); + default: dev_err(dev, "Invalid request %d\n", args->op); rc = -ENOTTY; |