Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Luben Tuikov | 463 | 52.14% | 8 | 34.78% |
Kent Russell | 313 | 35.25% | 6 | 26.09% |
Jiansong Chen | 43 | 4.84% | 1 | 4.35% |
Alex Deucher | 29 | 3.27% | 4 | 17.39% |
John Clements | 19 | 2.14% | 1 | 4.35% |
Shaoyun Liu | 11 | 1.24% | 1 | 4.35% |
Guchun Chen | 9 | 1.01% | 1 | 4.35% |
Nirmoy Das | 1 | 0.11% | 1 | 4.35% |
Total | 888 | 23 |
/* * 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 */ if (amdgpu_sriov_vf(adev)) 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 (adev->asic_type) { case CHIP_VEGA20: /* D161 and D163 are the VG20 server SKUs */ if (strnstr(atom_ctx->vbios_version, "D161", sizeof(atom_ctx->vbios_version)) || strnstr(atom_ctx->vbios_version, "D163", sizeof(atom_ctx->vbios_version))) { if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_6; return true; } else { return false; } case CHIP_ALDEBARAN: /* All Aldebaran SKUs have an FRU */ if (!strnstr(atom_ctx->vbios_version, "D673", sizeof(atom_ctx->vbios_version))) if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_6; return true; case CHIP_SIENNA_CICHLID: if (strnstr(atom_ctx->vbios_version, "D603", sizeof(atom_ctx->vbios_version))) { if (strnstr(atom_ctx->vbios_version, "D603GLXE", sizeof(atom_ctx->vbios_version))) { return false; } else { if (fru_addr) *fru_addr = FRU_EEPROM_MADDR_6; return true; } } else { return false; } default: return false; } } int amdgpu_fru_get_product_info(struct amdgpu_device *adev) { 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 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); return -EIO; } /* Now extract useful information from the PIA. * * Skip the Manufacturer Name at [3] and go directly to * the Product Name field. */ addr = 3 + 1 + (pia[3] & 0x3F); if (addr + 1 >= len) goto Out; memcpy(adev->product_name, pia + addr + 1, min_t(size_t, sizeof(adev->product_name), pia[addr] & 0x3F)); adev->product_name[sizeof(adev->product_name) - 1] = '\0'; /* Go to the Product Part/Model Number field. */ addr += 1 + (pia[addr] & 0x3F); if (addr + 1 >= len) goto Out; memcpy(adev->product_number, pia + addr + 1, min_t(size_t, sizeof(adev->product_number), pia[addr] & 0x3F)); adev->product_number[sizeof(adev->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(adev->serial, pia + addr + 1, min_t(size_t, sizeof(adev->serial), pia[addr] & 0x3F)); adev->serial[sizeof(adev->serial) - 1] = '\0'; Out: kfree(pia); return 0; }
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