Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Luben Tuikov | 639 | 38.77% | 10 | 27.03% |
Kent Russell | 548 | 33.25% | 8 | 21.62% |
Lijo Lazar | 251 | 15.23% | 5 | 13.51% |
Yang Wang | 61 | 3.70% | 1 | 2.70% |
Alex Deucher | 43 | 2.61% | 4 | 10.81% |
John Clements | 31 | 1.88% | 1 | 2.70% |
Jiansong Chen | 31 | 1.88% | 1 | 2.70% |
Guchun Chen | 12 | 0.73% | 1 | 2.70% |
Mario Limonciello | 10 | 0.61% | 1 | 2.70% |
Shaoyun Liu | 10 | 0.61% | 1 | 2.70% |
Tian Tao | 5 | 0.30% | 1 | 2.70% |
Srinivasan S | 3 | 0.18% | 1 | 2.70% |
Hawking Zhang | 3 | 0.18% | 1 | 2.70% |
Nirmoy Das | 1 | 0.06% | 1 | 2.70% |
Total | 1648 | 37 |
/* * Copyright 2019 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * */ #include <linux/pci.h> #include "amdgpu.h" #include "amdgpu_i2c.h" #include "smu_v11_0_i2c.h" #include "atom.h" #include "amdgpu_fru_eeprom.h" #include "amdgpu_eeprom.h" #define FRU_EEPROM_MADDR_6 0x60000 #define FRU_EEPROM_MADDR_8 0x80000 static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr) { /* Only server cards have the FRU EEPROM * TODO: See if we can figure this out dynamically instead of * having to parse VBIOS versions. */ struct atom_context *atom_ctx = adev->mode_info.atom_context; /* The i2c access is blocked on VF * TODO: Need other way to get the info * Also, FRU not valid for APU devices. */ if (amdgpu_sriov_vf(adev) || (adev->flags & AMD_IS_APU)) return false; /* The default I2C EEPROM address of the FRU. */ if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_8; /* VBIOS is of the format ###-DXXXYYYY-##. For SKU identification, * we can use just the "DXXX" portion. If there were more models, we * could convert the 3 characters to a hex integer and use a switch * for ease/speed/readability. For now, 2 string comparisons are * reasonable and not too expensive */ switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) { case IP_VERSION(11, 0, 2): switch (adev->asic_type) { case CHIP_VEGA20: /* D161 and D163 are the VG20 server SKUs */ if (strnstr(atom_ctx->vbios_pn, "D161", sizeof(atom_ctx->vbios_pn)) || strnstr(atom_ctx->vbios_pn, "D163", sizeof(atom_ctx->vbios_pn))) { if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_6; return true; } else { return false; } case CHIP_ARCTURUS: default: return false; } case IP_VERSION(11, 0, 7): if (strnstr(atom_ctx->vbios_pn, "D603", sizeof(atom_ctx->vbios_pn))) { if (strnstr(atom_ctx->vbios_pn, "D603GLXE", sizeof(atom_ctx->vbios_pn))) { return false; } if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_6; return true; } else { return false; } case IP_VERSION(13, 0, 2): /* All Aldebaran SKUs have an FRU */ if (!strnstr(atom_ctx->vbios_pn, "D673", sizeof(atom_ctx->vbios_pn))) if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_6; return true; case IP_VERSION(13, 0, 6): case IP_VERSION(13, 0, 14): if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_8; return true; default: return false; } } int amdgpu_fru_get_product_info(struct amdgpu_device *adev) { struct amdgpu_fru_info *fru_info; unsigned char buf[8], *pia; u32 addr, fru_addr; int size, len; u8 csum; if (!is_fru_eeprom_supported(adev, &fru_addr)) return 0; if (!adev->fru_info) { adev->fru_info = kzalloc(sizeof(*adev->fru_info), GFP_KERNEL); if (!adev->fru_info) return -ENOMEM; } fru_info = adev->fru_info; /* For Arcturus-and-later, default value of serial_number is unique_id * so convert it to a 16-digit HEX string for convenience and * backwards-compatibility. */ sprintf(fru_info->serial, "%llx", adev->unique_id); /* If algo exists, it means that the i2c_adapter's initialized */ if (!adev->pm.fru_eeprom_i2c_bus || !adev->pm.fru_eeprom_i2c_bus->algo) { DRM_WARN("Cannot access FRU, EEPROM accessor not initialized"); return -ENODEV; } /* Read the IPMI Common header */ len = amdgpu_eeprom_read(adev->pm.fru_eeprom_i2c_bus, fru_addr, buf, sizeof(buf)); if (len != 8) { DRM_ERROR("Couldn't read the IPMI Common Header: %d", len); return len < 0 ? len : -EIO; } if (buf[0] != 1) { DRM_ERROR("Bad IPMI Common Header version: 0x%02x", buf[0]); return -EIO; } for (csum = 0; len > 0; len--) csum += buf[len - 1]; if (csum) { DRM_ERROR("Bad IPMI Common Header checksum: 0x%02x", csum); return -EIO; } /* Get the offset to the Product Info Area (PIA). */ addr = buf[4] * 8; if (!addr) return 0; /* Get the absolute address to the PIA. */ addr += fru_addr; /* Read the header of the PIA. */ len = amdgpu_eeprom_read(adev->pm.fru_eeprom_i2c_bus, addr, buf, 3); if (len != 3) { DRM_ERROR("Couldn't read the Product Info Area header: %d", len); return len < 0 ? len : -EIO; } if (buf[0] != 1) { DRM_ERROR("Bad IPMI Product Info Area version: 0x%02x", buf[0]); return -EIO; } size = buf[1] * 8; pia = kzalloc(size, GFP_KERNEL); if (!pia) return -ENOMEM; /* Read the whole PIA. */ len = amdgpu_eeprom_read(adev->pm.fru_eeprom_i2c_bus, addr, pia, size); if (len != size) { kfree(pia); DRM_ERROR("Couldn't read the Product Info Area: %d", len); return len < 0 ? len : -EIO; } for (csum = 0; size > 0; size--) csum += pia[size - 1]; if (csum) { DRM_ERROR("Bad Product Info Area checksum: 0x%02x", csum); kfree(pia); return -EIO; } /* Now extract useful information from the PIA. * * Read Manufacturer Name field whose length is [3]. */ addr = 3; if (addr + 1 >= len) goto Out; memcpy(fru_info->manufacturer_name, pia + addr + 1, min_t(size_t, sizeof(fru_info->manufacturer_name), pia[addr] & 0x3F)); fru_info->manufacturer_name[sizeof(fru_info->manufacturer_name) - 1] = '\0'; /* Read Product Name field. */ addr += 1 + (pia[addr] & 0x3F); if (addr + 1 >= len) goto Out; memcpy(fru_info->product_name, pia + addr + 1, min_t(size_t, sizeof(fru_info->product_name), pia[addr] & 0x3F)); fru_info->product_name[sizeof(fru_info->product_name) - 1] = '\0'; /* Go to the Product Part/Model Number field. */ addr += 1 + (pia[addr] & 0x3F); if (addr + 1 >= len) goto Out; memcpy(fru_info->product_number, pia + addr + 1, min_t(size_t, sizeof(fru_info->product_number), pia[addr] & 0x3F)); fru_info->product_number[sizeof(fru_info->product_number) - 1] = '\0'; /* Go to the Product Version field. */ addr += 1 + (pia[addr] & 0x3F); /* Go to the Product Serial Number field. */ addr += 1 + (pia[addr] & 0x3F); if (addr + 1 >= len) goto Out; memcpy(fru_info->serial, pia + addr + 1, min_t(size_t, sizeof(fru_info->serial), pia[addr] & 0x3F)); fru_info->serial[sizeof(fru_info->serial) - 1] = '\0'; /* Asset Tag field */ addr += 1 + (pia[addr] & 0x3F); /* FRU File Id field. This could be 'null'. */ addr += 1 + (pia[addr] & 0x3F); if ((addr + 1 >= len) || !(pia[addr] & 0x3F)) goto Out; memcpy(fru_info->fru_id, pia + addr + 1, min_t(size_t, sizeof(fru_info->fru_id), pia[addr] & 0x3F)); fru_info->fru_id[sizeof(fru_info->fru_id) - 1] = '\0'; Out: kfree(pia); return 0; } /** * DOC: product_name * * The amdgpu driver provides a sysfs API for reporting the product name * for the device * The file product_name is used for this and returns the product name * as returned from the FRU. * NOTE: This is only available for certain server cards */ static ssize_t amdgpu_fru_product_name_show(struct device *dev, struct device_attribute *attr, char *buf) { struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); return sysfs_emit(buf, "%s\n", adev->fru_info->product_name); } static DEVICE_ATTR(product_name, 0444, amdgpu_fru_product_name_show, NULL); /** * DOC: product_number * * The amdgpu driver provides a sysfs API for reporting the part number * for the device * The file product_number is used for this and returns the part number * as returned from the FRU. * NOTE: This is only available for certain server cards */ static ssize_t amdgpu_fru_product_number_show(struct device *dev, struct device_attribute *attr, char *buf) { struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); return sysfs_emit(buf, "%s\n", adev->fru_info->product_number); } static DEVICE_ATTR(product_number, 0444, amdgpu_fru_product_number_show, NULL); /** * DOC: serial_number * * The amdgpu driver provides a sysfs API for reporting the serial number * for the device * The file serial_number is used for this and returns the serial number * as returned from the FRU. * NOTE: This is only available for certain server cards */ static ssize_t amdgpu_fru_serial_number_show(struct device *dev, struct device_attribute *attr, char *buf) { struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); return sysfs_emit(buf, "%s\n", adev->fru_info->serial); } static DEVICE_ATTR(serial_number, 0444, amdgpu_fru_serial_number_show, NULL); /** * DOC: fru_id * * The amdgpu driver provides a sysfs API for reporting FRU File Id * for the device. * The file fru_id is used for this and returns the File Id value * as returned from the FRU. * NOTE: This is only available for certain server cards */ static ssize_t amdgpu_fru_id_show(struct device *dev, struct device_attribute *attr, char *buf) { struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); return sysfs_emit(buf, "%s\n", adev->fru_info->fru_id); } static DEVICE_ATTR(fru_id, 0444, amdgpu_fru_id_show, NULL); /** * DOC: manufacturer * * The amdgpu driver provides a sysfs API for reporting manufacturer name from * FRU information. * The file manufacturer returns the value as returned from the FRU. * NOTE: This is only available for certain server cards */ static ssize_t amdgpu_fru_manufacturer_name_show(struct device *dev, struct device_attribute *attr, char *buf) { struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = drm_to_adev(ddev); return sysfs_emit(buf, "%s\n", adev->fru_info->manufacturer_name); } static DEVICE_ATTR(manufacturer, 0444, amdgpu_fru_manufacturer_name_show, NULL); static const struct attribute *amdgpu_fru_attributes[] = { &dev_attr_product_name.attr, &dev_attr_product_number.attr, &dev_attr_serial_number.attr, &dev_attr_fru_id.attr, &dev_attr_manufacturer.attr, NULL }; int amdgpu_fru_sysfs_init(struct amdgpu_device *adev) { if (!is_fru_eeprom_supported(adev, NULL) || !adev->fru_info) return 0; return sysfs_create_files(&adev->dev->kobj, amdgpu_fru_attributes); } void amdgpu_fru_sysfs_fini(struct amdgpu_device *adev) { if (!is_fru_eeprom_supported(adev, NULL) || !adev->fru_info) return; sysfs_remove_files(&adev->dev->kobj, amdgpu_fru_attributes); }
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