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-rw-r--r--drivers/accel/habanalabs/common/firmware_if.c78
-rw-r--r--drivers/accel/habanalabs/common/habanalabs.h6
2 files changed, 78 insertions, 6 deletions
diff --git a/drivers/accel/habanalabs/common/firmware_if.c b/drivers/accel/habanalabs/common/firmware_if.c
index 6150ab6ba810..62052cfe694f 100644
--- a/drivers/accel/habanalabs/common/firmware_if.c
+++ b/drivers/accel/habanalabs/common/firmware_if.c
@@ -94,6 +94,71 @@ static char *extract_u32_until_given_char(char *str, u32 *ver_num, char given_ch
}
/**
+ * hl_get_sw_major_minor_subminor() - extract the FW's SW version major, minor, sub-minor
+ * from the version string
+ * @hdev: pointer to the hl_device
+ * @fw_str: the FW's version string
+ *
+ * The extracted version is set in the hdev fields: fw_sw_{major/minor/sub_minor}_ver.
+ *
+ * fw_str is expected to have one of two possible formats, examples:
+ * 1) 'Preboot version hl-gaudi2-1.9.0-fw-42.0.1-sec-3'
+ * 2) 'Preboot version hl-gaudi2-1.9.0-rc-fw-42.0.1-sec-3'
+ * In those examples, the SW major,minor,subminor are correspondingly: 1,9,0.
+ *
+ * Return: 0 for success or a negative error code for failure.
+ */
+static int hl_get_sw_major_minor_subminor(struct hl_device *hdev, const char *fw_str)
+{
+ char *end, *start;
+
+ end = strnstr(fw_str, "-rc-", VERSION_MAX_LEN);
+ if (end == fw_str)
+ return -EINVAL;
+
+ if (!end)
+ end = strnstr(fw_str, "-fw-", VERSION_MAX_LEN);
+
+ if (end == fw_str)
+ return -EINVAL;
+
+ if (!end)
+ return -EINVAL;
+
+ for (start = end - 1; start != fw_str; start--) {
+ if (*start == '-')
+ break;
+ }
+
+ if (start == fw_str)
+ return -EINVAL;
+
+ /* start/end point each to the starting and ending hyphen of the sw version e.g. -1.9.0- */
+ start++;
+ start = extract_u32_until_given_char(start, &hdev->fw_sw_major_ver, '.');
+ if (!start)
+ goto err_zero_ver;
+
+ start++;
+ start = extract_u32_until_given_char(start, &hdev->fw_sw_minor_ver, '.');
+ if (!start)
+ goto err_zero_ver;
+
+ start++;
+ start = extract_u32_until_given_char(start, &hdev->fw_sw_sub_minor_ver, '-');
+ if (!start)
+ goto err_zero_ver;
+
+ return 0;
+
+err_zero_ver:
+ hdev->fw_sw_major_ver = 0;
+ hdev->fw_sw_minor_ver = 0;
+ hdev->fw_sw_sub_minor_ver = 0;
+ return -EINVAL;
+}
+
+/**
* hl_get_preboot_major_minor() - extract the FW's version major, minor from the version string.
* @hdev: pointer to the hl_device
* @preboot_ver: the FW's version string
@@ -2172,6 +2237,7 @@ static int hl_fw_dynamic_read_device_fw_version(struct hl_device *hdev,
struct asic_fixed_properties *prop = &hdev->asic_prop;
char *preboot_ver, *boot_ver;
char btl_ver[32];
+ int rc;
switch (fwc) {
case FW_COMP_BOOT_FIT:
@@ -2185,20 +2251,20 @@ static int hl_fw_dynamic_read_device_fw_version(struct hl_device *hdev,
break;
case FW_COMP_PREBOOT:
strscpy(prop->preboot_ver, fw_version, VERSION_MAX_LEN);
- preboot_ver = strnstr(prop->preboot_ver, "Preboot",
- VERSION_MAX_LEN);
+ preboot_ver = strnstr(prop->preboot_ver, "Preboot", VERSION_MAX_LEN);
+ dev_info(hdev->dev, "preboot full version: '%s'\n", preboot_ver);
+
if (preboot_ver && preboot_ver != prop->preboot_ver) {
strscpy(btl_ver, prop->preboot_ver,
min((int) (preboot_ver - prop->preboot_ver), 31));
dev_info(hdev->dev, "%s\n", btl_ver);
}
+ rc = hl_get_sw_major_minor_subminor(hdev, preboot_ver);
+ if (rc)
+ return rc;
preboot_ver = extract_fw_ver_from_str(prop->preboot_ver);
if (preboot_ver) {
- int rc;
-
- dev_info(hdev->dev, "preboot version %s\n", preboot_ver);
-
rc = hl_get_preboot_major_minor(hdev, preboot_ver);
kfree(preboot_ver);
if (rc)
diff --git a/drivers/accel/habanalabs/common/habanalabs.h b/drivers/accel/habanalabs/common/habanalabs.h
index 57661cb51621..d6f454b1cde4 100644
--- a/drivers/accel/habanalabs/common/habanalabs.h
+++ b/drivers/accel/habanalabs/common/habanalabs.h
@@ -3227,6 +3227,9 @@ struct hl_reset_info {
* @stream_master_qid_arr: pointer to array with QIDs of master streams.
* @fw_inner_major_ver: the major of current loaded preboot inner version.
* @fw_inner_minor_ver: the minor of current loaded preboot inner version.
+ * @fw_sw_major_ver: the major of current loaded preboot SW version.
+ * @fw_sw_minor_ver: the minor of current loaded preboot SW version.
+ * @fw_sw_sub_minor_ver: the sub-minor of current loaded preboot SW version.
* @dram_used_mem: current DRAM memory consumption.
* @memory_scrub_val: the value to which the dram will be scrubbed to using cb scrub_device_dram
* @timeout_jiffies: device CS timeout value.
@@ -3414,6 +3417,9 @@ struct hl_device {
u32 *stream_master_qid_arr;
u32 fw_inner_major_ver;
u32 fw_inner_minor_ver;
+ u32 fw_sw_major_ver;
+ u32 fw_sw_minor_ver;
+ u32 fw_sw_sub_minor_ver;
atomic64_t dram_used_mem;
u64 memory_scrub_val;
u64 timeout_jiffies;