Commit 38a43580 authored by Ofir Bitton's avatar Ofir Bitton Committed by Oded Gabbay
Browse files

habanalabs: expose device security status using info ioctl 



In order for the user to know if he is running on a secured device
or not, we add it also to the hw_ip info ioctl.

Signed-off-by: default avatarOfir Bitton <obitton@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 6457271f

drivers/misc/habanalabs/common/habanalabs_ioctl.c

+1 −0
Original line number Diff line number Diff line
@@ -104,6 +104,7 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args) 


	hw_ip.edma_enabled_mask = prop->edma_enabled_mask;

	hw_ip.server_type = prop->server_type;

	hw_ip.security_enabled = prop->fw_security_enabled;



	return copy_to_user(out, &hw_ip,

		min((size_t) size, sizeof(hw_ip))) ? -EFAULT : 0;

include/uapi/misc/habanalabs.h

+2 −1
Original line number Diff line number Diff line
@@ -840,6 +840,7 @@ enum hl_server_type { 
 * @tpc_enabled_mask: Bit-mask that represents which TPCs are enabled. Relevant

 *                    for Goya/Gaudi only.

 * @dram_enabled: Whether the DRAM is enabled.

 * @security_enabled: Whether security is enabled on device.

 * @mme_master_slave_mode: Indicate whether the MME is working in master/slave

 *                         configuration. Relevant for Greco and later.

 * @cpucp_version: The CPUCP f/w version.
@@ -871,7 +872,7 @@ struct hl_info_hw_ip_info { 
	__u32 psoc_pci_pll_div_factor;

	__u8 tpc_enabled_mask;

	__u8 dram_enabled;

	__u8 reserved;

	__u8 security_enabled;

	__u8 mme_master_slave_mode;

	__u8 cpucp_version[HL_INFO_VERSION_MAX_LEN];

	__u8 card_name[HL_INFO_CARD_NAME_MAX_LEN];