515 lines
12 KiB
C
515 lines
12 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright 2016-2022 HabanaLabs, Ltd.
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* All Rights Reserved.
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*/
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#include "habanalabs.h"
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#include <linux/pci.h>
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static ssize_t clk_max_freq_mhz_show(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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long value;
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if (!hl_device_operational(hdev, NULL))
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return -ENODEV;
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value = hl_fw_get_frequency(hdev, hdev->asic_prop.clk_pll_index, false);
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if (value < 0)
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return value;
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hdev->asic_prop.max_freq_value = value;
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return sprintf(buf, "%lu\n", (value / 1000 / 1000));
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}
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static ssize_t clk_max_freq_mhz_store(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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int rc;
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u64 value;
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if (!hl_device_operational(hdev, NULL)) {
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count = -ENODEV;
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goto fail;
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}
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rc = kstrtoull(buf, 0, &value);
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if (rc) {
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count = -EINVAL;
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goto fail;
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}
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hdev->asic_prop.max_freq_value = value * 1000 * 1000;
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hl_fw_set_frequency(hdev, hdev->asic_prop.clk_pll_index, hdev->asic_prop.max_freq_value);
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fail:
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return count;
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}
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static ssize_t clk_cur_freq_mhz_show(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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long value;
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if (!hl_device_operational(hdev, NULL))
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return -ENODEV;
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value = hl_fw_get_frequency(hdev, hdev->asic_prop.clk_pll_index, true);
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if (value < 0)
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return value;
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return sprintf(buf, "%lu\n", (value / 1000 / 1000));
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}
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static DEVICE_ATTR_RW(clk_max_freq_mhz);
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static DEVICE_ATTR_RO(clk_cur_freq_mhz);
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static struct attribute *hl_dev_clk_attrs[] = {
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&dev_attr_clk_max_freq_mhz.attr,
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&dev_attr_clk_cur_freq_mhz.attr,
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NULL,
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};
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static ssize_t vrm_ver_show(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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struct cpucp_info *cpucp_info;
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cpucp_info = &hdev->asic_prop.cpucp_info;
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if (cpucp_info->infineon_second_stage_version)
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return sprintf(buf, "%#04x %#04x\n", le32_to_cpu(cpucp_info->infineon_version),
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le32_to_cpu(cpucp_info->infineon_second_stage_version));
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else
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return sprintf(buf, "%#04x\n", le32_to_cpu(cpucp_info->infineon_version));
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}
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static DEVICE_ATTR_RO(vrm_ver);
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static struct attribute *hl_dev_vrm_attrs[] = {
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&dev_attr_vrm_ver.attr,
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NULL,
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};
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static ssize_t uboot_ver_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%s\n", hdev->asic_prop.uboot_ver);
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}
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static ssize_t armcp_kernel_ver_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.kernel_version);
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}
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static ssize_t armcp_ver_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.cpucp_version);
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}
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static ssize_t cpld_ver_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "0x%08x\n",
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le32_to_cpu(hdev->asic_prop.cpucp_info.cpld_version));
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}
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static ssize_t cpucp_kernel_ver_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.kernel_version);
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}
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static ssize_t cpucp_ver_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.cpucp_version);
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}
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static ssize_t fuse_ver_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.fuse_version);
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}
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static ssize_t thermal_ver_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.thermal_version);
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}
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static ssize_t fw_os_ver_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%s", hdev->asic_prop.cpucp_info.fw_os_version);
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}
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static ssize_t preboot_btl_ver_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%s\n", hdev->asic_prop.preboot_ver);
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}
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static ssize_t soft_reset_store(struct device *dev,
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struct device_attribute *attr, const char *buf,
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size_t count)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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long value;
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int rc;
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rc = kstrtoul(buf, 0, &value);
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if (rc) {
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count = -EINVAL;
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goto out;
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}
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if (!hdev->asic_prop.allow_inference_soft_reset) {
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dev_err(hdev->dev, "Device does not support inference soft-reset\n");
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goto out;
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}
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dev_warn(hdev->dev, "Inference Soft-Reset requested through sysfs\n");
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hl_device_reset(hdev, 0);
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out:
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return count;
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}
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static ssize_t hard_reset_store(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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long value;
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int rc;
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rc = kstrtoul(buf, 0, &value);
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if (rc) {
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count = -EINVAL;
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goto out;
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}
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dev_warn(hdev->dev, "Hard-Reset requested through sysfs\n");
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hl_device_reset(hdev, HL_DRV_RESET_HARD);
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out:
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return count;
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}
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static ssize_t device_type_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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char *str;
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switch (hdev->asic_type) {
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case ASIC_GOYA:
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str = "GOYA";
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break;
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case ASIC_GAUDI:
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str = "GAUDI";
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break;
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case ASIC_GAUDI_SEC:
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str = "GAUDI SEC";
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break;
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case ASIC_GAUDI2:
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str = "GAUDI2";
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break;
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case ASIC_GAUDI2_SEC:
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str = "GAUDI2 SEC";
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break;
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default:
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dev_err(hdev->dev, "Unrecognized ASIC type %d\n",
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hdev->asic_type);
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return -EINVAL;
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}
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return sprintf(buf, "%s\n", str);
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}
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static ssize_t pci_addr_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%04x:%02x:%02x.%x\n",
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pci_domain_nr(hdev->pdev->bus),
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hdev->pdev->bus->number,
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PCI_SLOT(hdev->pdev->devfn),
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PCI_FUNC(hdev->pdev->devfn));
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}
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static ssize_t status_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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char str[HL_STR_MAX];
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strscpy(str, hdev->status[hl_device_status(hdev)], HL_STR_MAX);
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/* use uppercase for backward compatibility */
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str[0] = 'A' + (str[0] - 'a');
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return sprintf(buf, "%s\n", str);
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}
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static ssize_t soft_reset_cnt_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%d\n", hdev->reset_info.compute_reset_cnt);
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}
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static ssize_t hard_reset_cnt_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%d\n", hdev->reset_info.hard_reset_cnt);
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}
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static ssize_t max_power_show(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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long val;
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if (!hl_device_operational(hdev, NULL))
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return -ENODEV;
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val = hl_fw_get_max_power(hdev);
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if (val < 0)
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return val;
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return sprintf(buf, "%lu\n", val);
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}
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static ssize_t max_power_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t count)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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unsigned long value;
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int rc;
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if (!hl_device_operational(hdev, NULL)) {
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count = -ENODEV;
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goto out;
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}
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rc = kstrtoul(buf, 0, &value);
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if (rc) {
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count = -EINVAL;
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goto out;
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}
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hdev->max_power = value;
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hl_fw_set_max_power(hdev);
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out:
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return count;
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}
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static ssize_t eeprom_read_handler(struct file *filp, struct kobject *kobj,
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struct bin_attribute *attr, char *buf, loff_t offset,
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size_t max_size)
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{
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struct device *dev = kobj_to_dev(kobj);
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struct hl_device *hdev = dev_get_drvdata(dev);
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char *data;
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int rc;
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if (!hl_device_operational(hdev, NULL))
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return -ENODEV;
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if (!max_size)
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return -EINVAL;
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data = kzalloc(max_size, GFP_KERNEL);
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if (!data)
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return -ENOMEM;
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rc = hdev->asic_funcs->get_eeprom_data(hdev, data, max_size);
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if (rc)
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goto out;
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memcpy(buf, data, max_size);
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out:
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kfree(data);
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return max_size;
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}
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static ssize_t security_enabled_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct hl_device *hdev = dev_get_drvdata(dev);
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return sprintf(buf, "%d\n", hdev->asic_prop.fw_security_enabled);
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}
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static DEVICE_ATTR_RO(armcp_kernel_ver);
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static DEVICE_ATTR_RO(armcp_ver);
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static DEVICE_ATTR_RO(cpld_ver);
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static DEVICE_ATTR_RO(cpucp_kernel_ver);
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static DEVICE_ATTR_RO(cpucp_ver);
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static DEVICE_ATTR_RO(device_type);
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static DEVICE_ATTR_RO(fuse_ver);
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static DEVICE_ATTR_WO(hard_reset);
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static DEVICE_ATTR_RO(hard_reset_cnt);
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static DEVICE_ATTR_RW(max_power);
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static DEVICE_ATTR_RO(pci_addr);
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static DEVICE_ATTR_RO(preboot_btl_ver);
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static DEVICE_ATTR_WO(soft_reset);
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static DEVICE_ATTR_RO(soft_reset_cnt);
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static DEVICE_ATTR_RO(status);
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static DEVICE_ATTR_RO(thermal_ver);
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static DEVICE_ATTR_RO(uboot_ver);
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static DEVICE_ATTR_RO(fw_os_ver);
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static DEVICE_ATTR_RO(security_enabled);
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static struct bin_attribute bin_attr_eeprom = {
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.attr = {.name = "eeprom", .mode = (0444)},
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.size = PAGE_SIZE,
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.read = eeprom_read_handler
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};
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static struct attribute *hl_dev_attrs[] = {
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&dev_attr_armcp_kernel_ver.attr,
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&dev_attr_armcp_ver.attr,
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&dev_attr_cpld_ver.attr,
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&dev_attr_cpucp_kernel_ver.attr,
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&dev_attr_cpucp_ver.attr,
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&dev_attr_device_type.attr,
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&dev_attr_fuse_ver.attr,
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&dev_attr_hard_reset.attr,
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&dev_attr_hard_reset_cnt.attr,
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&dev_attr_max_power.attr,
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&dev_attr_pci_addr.attr,
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&dev_attr_preboot_btl_ver.attr,
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&dev_attr_status.attr,
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&dev_attr_thermal_ver.attr,
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&dev_attr_uboot_ver.attr,
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&dev_attr_fw_os_ver.attr,
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&dev_attr_security_enabled.attr,
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NULL,
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};
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static struct bin_attribute *hl_dev_bin_attrs[] = {
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&bin_attr_eeprom,
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NULL
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};
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static struct attribute_group hl_dev_attr_group = {
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.attrs = hl_dev_attrs,
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.bin_attrs = hl_dev_bin_attrs,
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};
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static struct attribute_group hl_dev_clks_attr_group;
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static struct attribute_group hl_dev_vrm_attr_group;
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static const struct attribute_group *hl_dev_attr_groups[] = {
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&hl_dev_attr_group,
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&hl_dev_clks_attr_group,
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&hl_dev_vrm_attr_group,
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NULL,
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};
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static struct attribute *hl_dev_inference_attrs[] = {
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&dev_attr_soft_reset.attr,
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&dev_attr_soft_reset_cnt.attr,
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NULL,
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};
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static struct attribute_group hl_dev_inference_attr_group = {
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.attrs = hl_dev_inference_attrs,
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};
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static const struct attribute_group *hl_dev_inference_attr_groups[] = {
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&hl_dev_inference_attr_group,
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NULL,
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};
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void hl_sysfs_add_dev_clk_attr(struct hl_device *hdev, struct attribute_group *dev_clk_attr_grp)
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{
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dev_clk_attr_grp->attrs = hl_dev_clk_attrs;
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}
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void hl_sysfs_add_dev_vrm_attr(struct hl_device *hdev, struct attribute_group *dev_vrm_attr_grp)
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{
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dev_vrm_attr_grp->attrs = hl_dev_vrm_attrs;
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}
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int hl_sysfs_init(struct hl_device *hdev)
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{
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int rc;
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hdev->max_power = hdev->asic_prop.max_power_default;
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hdev->asic_funcs->add_device_attr(hdev, &hl_dev_clks_attr_group, &hl_dev_vrm_attr_group);
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rc = device_add_groups(hdev->dev, hl_dev_attr_groups);
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if (rc) {
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dev_err(hdev->dev,
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"Failed to add groups to device, error %d\n", rc);
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return rc;
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}
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if (!hdev->asic_prop.allow_inference_soft_reset)
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return 0;
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rc = device_add_groups(hdev->dev, hl_dev_inference_attr_groups);
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if (rc) {
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dev_err(hdev->dev,
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"Failed to add groups to device, error %d\n", rc);
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return rc;
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}
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return 0;
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}
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void hl_sysfs_fini(struct hl_device *hdev)
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{
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device_remove_groups(hdev->dev, hl_dev_attr_groups);
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if (!hdev->asic_prop.allow_inference_soft_reset)
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return;
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device_remove_groups(hdev->dev, hl_dev_inference_attr_groups);
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}
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