query_gfxip.py

#!/usr/bin/env python3
# Map PCI device ids to a gfxip number
# The list of PCI ids is taken from https://pci-ids.ucw.cz/read/PC/1002 under the terms of the 3-clause BSD License

# Copyright (c) <2021> <Martin Mares and Albert Pool>. All rights reserved.
# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
# 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
# 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import glob
import sys

VENDOR_AMD = "1002"

device_to_gfxip = {
    "13e9": "10.1",
    "1478": "10.1",
    "15d8": "9",
    "15dd": "9",
    "15e7": "9",
    "1607": "10.3",
    "1636": "9",
    "1638": "9",
    "163f": "10.3",
    "164c": "9",
    "164d": "10.3",
    "1681": "10.3",

    "66a0": "9",
    "66a1": "9",
    "66a2": "9",
    "66a3": "9",
    "66a7": "9",
    "66af": "9",

    "67c0": "8",
    "67c2": "8",
    "67c4": "8",
    "67c7": "8",
    "67ca": "8",
    "67cc": "8",
    "67cf": "8",
    "67d0": "8",
    "67d4": "8",
    "67d7": "8",
    "67df": "8",
    "67e0": "8",
    "67e1": "8",
    "67e3": "8",
    "67e8": "8",
    "67e9": "8",
    "67eb": "8",
    "67ef": "8",
    "67ff": "8",

    "6860": "9",
    "6861": "9",
    "6862": "9",
    "6863": "9",
    "6864": "9",
    "6867": "9",
    "6868": "9",
    "6869": "9",
    "686a": "9",
    "686b": "9",
    "686c": "9",
    "686d": "9",
    "686e": "9",
    "687f": "9",

    "694c": "8",
    "694e": "8",
    "694f": "8",
    "6980": "8",
    "6986": "8",

    "69a0": "9",
    "69a1": "9",
    "69a2": "9",
    "69a3": "9",
    "69af": "9",

    "6fdf": "8",

    "7310": "10.1",
    "7312": "10.1",
    "7314": "10.1",
    "731f": "10.1",
    "7340": "10.1",
    "7341": "10.1",
    "7347": "10.1",
    "734f": "10.1",
    "7360": "10.1",
    "7362": "10.1",

    "73a2": "10.3",
    "73a3": "10.3",
    "73a4": "10.3",
    "73ab": "10.3",
    "73af": "10.3",
    "73bf": "10.3",
    "73c3": "10.3",
    "73c4": "10.3",
    "73df": "10.3",
    "73e0": "10.3",
    "73e1": "10.3",
    "73e3": "10.3",
    "73e4": "10.3",
    "73ff": "10.3",

    "7408": "9",
    "740c": "9",
    "740f": "9",
}

def parse_gfxip(s):
    """Returns [major, minor, patch]"""
    arr = [int(i) for i in s.split(".")]
    while len(arr) < 3:
        arr.append(0)
    return arr

def gfxip_to_str(ip):
    return ".".join([str(i) for i in ip])

def find_gfxips(device_id):
    """Find the gxfips of the given PCI device id"""
    ip = parse_gfxip(device_to_gfxip[device_id])
    [maj, min, pat] = ip

    gfxips = [[maj, min], [maj, min, pat]]
    for maj_i in range(9, maj + 1):
        gfxips.append([maj_i])
    return ["gfx" + gfxip_to_str(ip)] + ["gfx" + gfxip_to_str(i) + "+" for i in gfxips]

def query_gfxips(device = None):
    """Find all gxfips of device or of the first AMD GPU on the system"""
    if device is None:
        amd_cards = []
        for card in glob.glob("/sys/class/drm/card*"):
            try:
                with open(card + "/device/vendor") as f:
                    vendor_id = f.read().strip()
                    if vendor_id == f"0x{VENDOR_AMD}":
                        amd_cards.append(int(card[19:]))
            except:
                # Ignore
                pass
        if len(amd_cards) == 0:
            raise Exception(f"Found no AMD card on the system in /sys/class/drm/card*")
        elif len(amd_cards) > 1:
            raise Exception(f"Found multiple AMD cards {amd_cards} on the system, please specify device explicitly")
        device = amd_cards[0]

    with open(f"/sys/class/drm/card{device}/device/vendor") as f:
        vendor_id = f.read().strip()
        if vendor_id != f"0x{VENDOR_AMD}":
            raise Exception(f"Vendor {vendor_id} is not AMD (0x{VENDOR_AMD})")

    with open("/sys/class/drm/card0/device/device") as f:
        device_id = f.read().strip().replace("0x", "")
    return find_gfxips(device_id)

if __name__ == '__main__':
    print(query_gfxips(None if len(sys.argv) < 2 else sys.argv[1]))