diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/sysfs.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/sysfs.c | 514 |
1 files changed, 0 insertions, 514 deletions
diff --git a/drivers/misc/habanalabs/common/sysfs.c b/drivers/misc/habanalabs/common/sysfs.c deleted file mode 100644 index 735d8bed0066..000000000000 --- a/drivers/misc/habanalabs/common/sysfs.c +++ /dev/null @@ -1,514 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -/* - * Copyright 2016-2022 HabanaLabs, Ltd. - * All Rights Reserved. - */ - -#include "habanalabs.h" - -#include <linux/pci.h> - -static ssize_t clk_max_freq_mhz_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - long value; - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - value = hl_fw_get_frequency(hdev, hdev->asic_prop.clk_pll_index, false); - if (value < 0) - return value; - - hdev->asic_prop.max_freq_value = value; - - return sprintf(buf, "%lu\n", (value / 1000 / 1000)); -} - -static ssize_t clk_max_freq_mhz_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - int rc; - u64 value; - - if (!hl_device_operational(hdev, NULL)) { - count = -ENODEV; - goto fail; - } - - rc = kstrtoull(buf, 0, &value); - if (rc) { - count = -EINVAL; - goto fail; - } - - hdev->asic_prop.max_freq_value = value * 1000 * 1000; - - hl_fw_set_frequency(hdev, hdev->asic_prop.clk_pll_index, hdev->asic_prop.max_freq_value); - -fail: - return count; -} - -static ssize_t clk_cur_freq_mhz_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - long value; - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - value = hl_fw_get_frequency(hdev, hdev->asic_prop.clk_pll_index, true); - if (value < 0) - return value; - - return sprintf(buf, "%lu\n", (value / 1000 / 1000)); -} - -static DEVICE_ATTR_RW(clk_max_freq_mhz); -static DEVICE_ATTR_RO(clk_cur_freq_mhz); - -static struct attribute *hl_dev_clk_attrs[] = { - &dev_attr_clk_max_freq_mhz.attr, - &dev_attr_clk_cur_freq_mhz.attr, - NULL, -}; - -static ssize_t vrm_ver_show(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - struct cpucp_info *cpucp_info; - - cpucp_info = &hdev->asic_prop.cpucp_info; - - if (cpucp_info->infineon_second_stage_version) - return sprintf(buf, "%#04x %#04x\n", le32_to_cpu(cpucp_info->infineon_version), - le32_to_cpu(cpucp_info->infineon_second_stage_version)); - else - return sprintf(buf, "%#04x\n", le32_to_cpu(cpucp_info->infineon_version)); -} - -static DEVICE_ATTR_RO(vrm_ver); - -static struct attribute *hl_dev_vrm_attrs[] = { - &dev_attr_vrm_ver.attr, - NULL, -}; - -static ssize_t uboot_ver_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - return sprintf(buf, "%s\n", hdev->asic_prop.uboot_ver); -} - -static ssize_t armcp_kernel_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.kernel_version); -} - -static ssize_t armcp_ver_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.cpucp_version); -} - -static ssize_t cpld_ver_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - return sprintf(buf, "0x%08x\n", - le32_to_cpu(hdev->asic_prop.cpucp_info.cpld_version)); -} - -static ssize_t cpucp_kernel_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.kernel_version); -} - -static ssize_t cpucp_ver_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.cpucp_version); -} - -static ssize_t fuse_ver_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - return sprintf(buf, "%s\n", hdev->asic_prop.cpucp_info.fuse_version); -} - -static ssize_t thermal_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.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) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - return sprintf(buf, "%s\n", hdev->asic_prop.preboot_ver); -} - -static ssize_t soft_reset_store(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - long value; - int rc; - - rc = kstrtoul(buf, 0, &value); - - if (rc) { - count = -EINVAL; - goto out; - } - - if (!hdev->asic_prop.allow_inference_soft_reset) { - dev_err(hdev->dev, "Device does not support inference soft-reset\n"); - goto out; - } - - dev_warn(hdev->dev, "Inference Soft-Reset requested through sysfs\n"); - - hl_device_reset(hdev, 0); - -out: - return count; -} - -static ssize_t hard_reset_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - long value; - int rc; - - rc = kstrtoul(buf, 0, &value); - - if (rc) { - count = -EINVAL; - goto out; - } - - dev_warn(hdev->dev, "Hard-Reset requested through sysfs\n"); - - hl_device_reset(hdev, HL_DRV_RESET_HARD); - -out: - return count; -} - -static ssize_t device_type_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - char *str; - - switch (hdev->asic_type) { - case ASIC_GOYA: - str = "GOYA"; - break; - case ASIC_GAUDI: - str = "GAUDI"; - break; - case ASIC_GAUDI_SEC: - str = "GAUDI SEC"; - break; - case ASIC_GAUDI2: - str = "GAUDI2"; - break; - case ASIC_GAUDI2B: - str = "GAUDI2B"; - break; - default: - dev_err(hdev->dev, "Unrecognized ASIC type %d\n", - hdev->asic_type); - return -EINVAL; - } - - return sprintf(buf, "%s\n", str); -} - -static ssize_t pci_addr_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - return sprintf(buf, "%04x:%02x:%02x.%x\n", - pci_domain_nr(hdev->pdev->bus), - hdev->pdev->bus->number, - PCI_SLOT(hdev->pdev->devfn), - PCI_FUNC(hdev->pdev->devfn)); -} - -static ssize_t status_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - char str[HL_STR_MAX]; - - strscpy(str, hdev->status[hl_device_status(hdev)], HL_STR_MAX); - - /* use uppercase for backward compatibility */ - str[0] = 'A' + (str[0] - 'a'); - - return sprintf(buf, "%s\n", str); -} - -static ssize_t soft_reset_cnt_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - return sprintf(buf, "%d\n", hdev->reset_info.compute_reset_cnt); -} - -static ssize_t hard_reset_cnt_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - return sprintf(buf, "%d\n", hdev->reset_info.hard_reset_cnt); -} - -static ssize_t max_power_show(struct device *dev, struct device_attribute *attr, - char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - long val; - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - val = hl_fw_get_max_power(hdev); - if (val < 0) - return val; - - return sprintf(buf, "%lu\n", val); -} - -static ssize_t max_power_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - unsigned long value; - int rc; - - if (!hl_device_operational(hdev, NULL)) { - count = -ENODEV; - goto out; - } - - rc = kstrtoul(buf, 0, &value); - - if (rc) { - count = -EINVAL; - goto out; - } - - hdev->max_power = value; - hl_fw_set_max_power(hdev); - -out: - return count; -} - -static ssize_t eeprom_read_handler(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, loff_t offset, - size_t max_size) -{ - struct device *dev = kobj_to_dev(kobj); - struct hl_device *hdev = dev_get_drvdata(dev); - char *data; - int rc; - - if (!hl_device_operational(hdev, NULL)) - return -ENODEV; - - if (!max_size) - return -EINVAL; - - data = kzalloc(max_size, GFP_KERNEL); - if (!data) - return -ENOMEM; - - rc = hdev->asic_funcs->get_eeprom_data(hdev, data, max_size); - if (rc) - goto out; - - memcpy(buf, data, max_size); - -out: - kfree(data); - - return max_size; -} - -static ssize_t security_enabled_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct hl_device *hdev = dev_get_drvdata(dev); - - return sprintf(buf, "%d\n", hdev->asic_prop.fw_security_enabled); -} - -static DEVICE_ATTR_RO(armcp_kernel_ver); -static DEVICE_ATTR_RO(armcp_ver); -static DEVICE_ATTR_RO(cpld_ver); -static DEVICE_ATTR_RO(cpucp_kernel_ver); -static DEVICE_ATTR_RO(cpucp_ver); -static DEVICE_ATTR_RO(device_type); -static DEVICE_ATTR_RO(fuse_ver); -static DEVICE_ATTR_WO(hard_reset); -static DEVICE_ATTR_RO(hard_reset_cnt); -static DEVICE_ATTR_RW(max_power); -static DEVICE_ATTR_RO(pci_addr); -static DEVICE_ATTR_RO(preboot_btl_ver); -static DEVICE_ATTR_WO(soft_reset); -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 DEVICE_ATTR_RO(security_enabled); - -static struct bin_attribute bin_attr_eeprom = { - .attr = {.name = "eeprom", .mode = (0444)}, - .size = PAGE_SIZE, - .read = eeprom_read_handler -}; - -static struct attribute *hl_dev_attrs[] = { - &dev_attr_armcp_kernel_ver.attr, - &dev_attr_armcp_ver.attr, - &dev_attr_cpld_ver.attr, - &dev_attr_cpucp_kernel_ver.attr, - &dev_attr_cpucp_ver.attr, - &dev_attr_device_type.attr, - &dev_attr_fuse_ver.attr, - &dev_attr_hard_reset.attr, - &dev_attr_hard_reset_cnt.attr, - &dev_attr_max_power.attr, - &dev_attr_pci_addr.attr, - &dev_attr_preboot_btl_ver.attr, - &dev_attr_status.attr, - &dev_attr_thermal_ver.attr, - &dev_attr_uboot_ver.attr, - &dev_attr_fw_os_ver.attr, - &dev_attr_security_enabled.attr, - NULL, -}; - -static struct bin_attribute *hl_dev_bin_attrs[] = { - &bin_attr_eeprom, - NULL -}; - -static struct attribute_group hl_dev_attr_group = { - .attrs = hl_dev_attrs, - .bin_attrs = hl_dev_bin_attrs, -}; - -static struct attribute_group hl_dev_clks_attr_group; -static struct attribute_group hl_dev_vrm_attr_group; - -static const struct attribute_group *hl_dev_attr_groups[] = { - &hl_dev_attr_group, - &hl_dev_clks_attr_group, - &hl_dev_vrm_attr_group, - NULL, -}; - -static struct attribute *hl_dev_inference_attrs[] = { - &dev_attr_soft_reset.attr, - &dev_attr_soft_reset_cnt.attr, - NULL, -}; - -static struct attribute_group hl_dev_inference_attr_group = { - .attrs = hl_dev_inference_attrs, -}; - -static const struct attribute_group *hl_dev_inference_attr_groups[] = { - &hl_dev_inference_attr_group, - NULL, -}; - -void hl_sysfs_add_dev_clk_attr(struct hl_device *hdev, struct attribute_group *dev_clk_attr_grp) -{ - dev_clk_attr_grp->attrs = hl_dev_clk_attrs; -} - -void hl_sysfs_add_dev_vrm_attr(struct hl_device *hdev, struct attribute_group *dev_vrm_attr_grp) -{ - dev_vrm_attr_grp->attrs = hl_dev_vrm_attrs; -} - -int hl_sysfs_init(struct hl_device *hdev) -{ - int rc; - - hdev->max_power = hdev->asic_prop.max_power_default; - - hdev->asic_funcs->add_device_attr(hdev, &hl_dev_clks_attr_group, &hl_dev_vrm_attr_group); - - rc = device_add_groups(hdev->dev, hl_dev_attr_groups); - if (rc) { - dev_err(hdev->dev, - "Failed to add groups to device, error %d\n", rc); - return rc; - } - - if (!hdev->asic_prop.allow_inference_soft_reset) - return 0; - - rc = device_add_groups(hdev->dev, hl_dev_inference_attr_groups); - if (rc) { - dev_err(hdev->dev, - "Failed to add groups to device, error %d\n", rc); - return rc; - } - - return 0; -} - -void hl_sysfs_fini(struct hl_device *hdev) -{ - device_remove_groups(hdev->dev, hl_dev_attr_groups); - - if (!hdev->asic_prop.allow_inference_soft_reset) - return; - - device_remove_groups(hdev->dev, hl_dev_inference_attr_groups); -} |