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: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

diff --git a/drivers/misc/habanalabs/common/habanalabs_ioctl.c b/drivers/misc/habanalabs/common/habanalabs_ioctl.c
index ec55c66..c7bd000 100644 (file)
--- a/drivers/misc/habanalabs/common/habanalabs_ioctl.c
+++ b/drivers/misc/habanalabs/common/habanalabs_ioctl.c
@@ -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;

diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h
index f51c6ae..3005cc0 100644 (file)
--- a/include/uapi/misc/habanalabs.h
+++ b/include/uapi/misc/habanalabs.h
@@ -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];