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| author | farah kassabri <fkassabri@habana.ai> | 2020-08-09 16:25:53 +0300 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2020-09-22 18:49:51 +0300 |
| commit | 9f3064913e1b9b4153accbd33aaf1983be92c569 (patch) | |
| tree | 2bc2b9812e526d41652b752c0df133a095c1d517 /drivers/misc/habanalabs/common/habanalabs_ioctl.c | |
| parent | 56004701f52e60475f0ebdb1da6fc6bf7cc4b80c (diff) | |
| download | linux-9f3064913e1b9b4153accbd33aaf1983be92c569.tar.bz2 | |
habanalabs: add support for getting device total energy
Add driver implementation for reading the total energy consumption
from the device ARM FW.
Signed-off-by: farah kassabri <fkassabri@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/misc/habanalabs/common/habanalabs_ioctl.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/habanalabs_ioctl.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c index a94800014243..18ee14b4b0e1 100644 --- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c @@ -357,6 +357,27 @@ static int sync_manager_info(struct hl_fpriv *hpriv, struct hl_info_args *args) sizeof(sm_info))) ? -EFAULT : 0; } +static int total_energy_consumption_info(struct hl_fpriv *hpriv, + struct hl_info_args *args) +{ + struct hl_device *hdev = hpriv->hdev; + struct hl_info_energy total_energy = {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_armcp_total_energy_get(hdev, + &total_energy.total_energy_consumption); + if (rc) + return rc; + + return copy_to_user(out, &total_energy, + min((size_t) max_size, sizeof(total_energy))) ? -EFAULT : 0; +} + static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, struct device *dev) { @@ -429,6 +450,9 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, case HL_INFO_SYNC_MANAGER: return sync_manager_info(hpriv, args); + case HL_INFO_TOTAL_ENERGY: + return total_energy_consumption_info(hpriv, args); + default: dev_err(dev, "Invalid request %d\n", args->op); rc = -ENOTTY; |