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| author | Oded Gabbay <oded.gabbay@gmail.com> | 2019-08-28 21:51:52 +0300 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2019-09-05 14:55:27 +0300 |
| commit | e9730763a21a5441d46511f124d703d76a5ef6e6 (patch) | |
| tree | deef505ba53d06f1e410ea003be55aaa274de603 /drivers/misc/habanalabs/habanalabs_ioctl.c | |
| parent | 75b3cb2bb080372d043e8f0c0aeae8f52461136b (diff) | |
| download | blackbird-op-linux-e9730763a21a5441d46511f124d703d76a5ef6e6.tar.gz blackbird-op-linux-e9730763a21a5441d46511f124d703d76a5ef6e6.zip | |
habanalabs: add uapi to retrieve aggregate H/W events
Add a new opcode to INFO IOCTL to retrieve aggregate H/W events. i.e. the
events counters are NOT cleared upon device reset, but count from the
loading of the driver.
Add the code to support it in the device event handling function.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: Omer Shpigelman <oshpigelman@habana.ai>
Diffstat (limited to 'drivers/misc/habanalabs/habanalabs_ioctl.c')
| -rw-r--r-- | drivers/misc/habanalabs/habanalabs_ioctl.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/misc/habanalabs/habanalabs_ioctl.c b/drivers/misc/habanalabs/habanalabs_ioctl.c index f958568f7996..66d9c710073c 100644 --- a/drivers/misc/habanalabs/habanalabs_ioctl.c +++ b/drivers/misc/habanalabs/habanalabs_ioctl.c @@ -75,7 +75,8 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args) min((size_t)size, sizeof(hw_ip))) ? -EFAULT : 0; } -static int hw_events_info(struct hl_device *hdev, struct hl_info_args *args) +static int hw_events_info(struct hl_device *hdev, bool aggregate, + struct hl_info_args *args) { u32 size, max_size = args->return_size; void __user *out = (void __user *) (uintptr_t) args->return_pointer; @@ -84,7 +85,7 @@ static int hw_events_info(struct hl_device *hdev, struct hl_info_args *args) if ((!max_size) || (!out)) return -EINVAL; - arr = hdev->asic_funcs->get_events_stat(hdev, &size); + arr = hdev->asic_funcs->get_events_stat(hdev, aggregate, &size); return copy_to_user(out, arr, min(max_size, size)) ? -EFAULT : 0; } @@ -251,7 +252,7 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, switch (args->op) { case HL_INFO_HW_EVENTS: - rc = hw_events_info(hdev, args); + rc = hw_events_info(hdev, false, args); break; case HL_INFO_DRAM_USAGE: @@ -266,6 +267,10 @@ static int _hl_info_ioctl(struct hl_fpriv *hpriv, void *data, rc = device_utilization(hdev, args); break; + case HL_INFO_HW_EVENTS_AGGREGATE: + rc = hw_events_info(hdev, true, args); + break; + default: dev_err(dev, "Invalid request %d\n", args->op); rc = -ENOTTY; |
