diff options
| author | Ofir Bitton <[email protected]> | 2023-03-13 17:10:28 +0200 |
|---|---|---|
| committer | Oded Gabbay <[email protected]> | 2023-03-20 17:35:33 +0200 |
| commit | 76e1ff37b6872c9f2d11660258fc8c88b2f97b06 (patch) | |
| tree | 0950f5653d2273c500e7022c20905db9db62867b | |
| parent | 0e418ab71829238135756dde3d63952e80821b43 (diff) | |
accel/habanalabs: expose dram reserved size by kmd
We expose this in order for user applications to know how much dram
is reserved for internal use.
Signed-off-by: Ofir Bitton <[email protected]>
Reviewed-by: Oded Gabbay <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
| -rw-r--r-- | drivers/accel/habanalabs/common/habanalabs_ioctl.c | 1 | ||||
| -rw-r--r-- | include/uapi/drm/habanalabs_accel.h | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/accel/habanalabs/common/habanalabs_ioctl.c b/drivers/accel/habanalabs/common/habanalabs_ioctl.c index 0997ede359d7..81e026066f96 100644 --- a/drivers/accel/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/accel/habanalabs/common/habanalabs_ioctl.c @@ -109,6 +109,7 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args) hw_ip.security_enabled = prop->fw_security_enabled; hw_ip.revision_id = hdev->pdev->revision; hw_ip.engine_core_interrupt_reg_addr = prop->engine_core_interrupt_reg_addr; + hw_ip.reserved_dram_size = dram_kmd_size; return copy_to_user(out, &hw_ip, min((size_t) size, sizeof(hw_ip))) ? -EFAULT : 0; diff --git a/include/uapi/drm/habanalabs_accel.h b/include/uapi/drm/habanalabs_accel.h index 7d457eb4da74..e43688d30e96 100644 --- a/include/uapi/drm/habanalabs_accel.h +++ b/include/uapi/drm/habanalabs_accel.h @@ -888,6 +888,7 @@ enum hl_server_type { * @tpc_interrupt_id: interrupt id for TPC to use in order to raise events towards the host. * @engine_core_interrupt_reg_addr: interrupt register address for engine core to use * in order to raise events toward FW. + * @reserved_dram_size: DRAM size reserved for driver and firmware. */ struct hl_info_hw_ip_info { __u64 sram_base_address; @@ -928,6 +929,7 @@ struct hl_info_hw_ip_info { __u32 reserved8; __u32 reserved9; __u64 engine_core_interrupt_reg_addr; + __u64 reserved_dram_size; }; struct hl_info_dram_usage { |