Commit 4c01e524 authored by Rajaravi Krishna Katta's avatar Rajaravi Krishna Katta Committed by Oded Gabbay
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habanalabs: sysfs support for fw os version 



Adds new sysfs entry to display firmware os version
/sys/class/habanalabs/hl<n>/fw_os_ver

Signed-off-by: default avatarRajaravi Krishna Katta <rkatta@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 6ba2c0ce

Documentation/ABI/testing/sysfs-driver-habanalabs

+6 −0
Original line number Diff line number Diff line
@@ -69,6 +69,12 @@ KernelVersion: 5.1 
Contact:        ogabbay@kernel.org

Description:    Displays the device's version from the eFuse



What:           /sys/class/habanalabs/hl<n>/fw_os_ver

Date:           Dec 2021

KernelVersion:  5.18

Contact:        ogabbay@kernel.org

Description:    Version of the firmware OS running on the device's CPU



What:           /sys/class/habanalabs/hl<n>/hard_reset

Date:           Jan 2019

KernelVersion:  5.1

drivers/misc/habanalabs/common/sysfs.c

+10 −0
Original line number Diff line number Diff line
@@ -156,6 +156,14 @@ static ssize_t thermal_ver_show(struct device *dev, 
	return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.thermal_version);

}



static ssize_t fw_os_ver_show(struct device *dev,

				struct device_attribute *attr, char *buf)

{

	struct hl_device *hdev = dev_get_drvdata(dev);



	return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.fw_os_version);

}



static ssize_t preboot_btl_ver_show(struct device *dev,

				struct device_attribute *attr, char *buf)

{
@@ -370,6 +378,7 @@ static DEVICE_ATTR_RO(soft_reset_cnt); 
static DEVICE_ATTR_RO(status);

static DEVICE_ATTR_RO(thermal_ver);

static DEVICE_ATTR_RO(uboot_ver);

static DEVICE_ATTR_RO(fw_os_ver);



static struct bin_attribute bin_attr_eeprom = {

	.attr = {.name = "eeprom", .mode = (0444)},
@@ -393,6 +402,7 @@ static struct attribute *hl_dev_attrs[] = { 
	&dev_attr_status.attr,

	&dev_attr_thermal_ver.attr,

	&dev_attr_uboot_ver.attr,

	&dev_attr_fw_os_ver.attr,

	NULL,

};

drivers/misc/habanalabs/include/common/cpucp_if.h

+2 −0
Original line number Diff line number Diff line
@@ -780,6 +780,7 @@ struct cpucp_security_info { 
 *                     (0 = functional 1 = binned)

 * @xbar_binning_mask: Xbar binning mask, 1 bit per Xbar instance

 *                     (0 = functional 1 = binned)

 * @fw_os_version: Firmware OS Version

 */

struct cpucp_info {

	struct cpucp_sensor sensors[CPUCP_MAX_SENSORS];
@@ -807,6 +808,7 @@ struct cpucp_info { 
	__le32 reserved6;

	__u8 pll_map[PLL_MAP_LEN];

	__le64 mme_binning_mask;

	__u8 fw_os_version[VERSION_MAX_LEN];

};



struct cpucp_mac_addr {