* gnu/installer/hardware.scm: New file. * gnu/local.mk (INSTALLER_MODULES): Add it. * po/guix/POTFILES.in: Add it. * gnu/installer.scm (installer-steps): Pass #:pci-database to the 'welcome' step procedure. * gnu/installer/newt.scm (welcome-page): Add #:pci-database and pass it to 'run-welcome-page'. * gnu/installer/newt/welcome.scm (check-hardware-support): Add #:pci-database. Enumerate unsupported PCI devices and run an error page when unsupported devices are found. (run-welcome-page): Add #:pci-database and pass it to 'check-hardware-support' and to the recursive call. * gnu/installer/record.scm (<installer>)[welcome-page]: Adjust comment. * doc/guix.texi (Hardware Considerations): Mention it.
		
			
				
	
	
		
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu installer hardware)
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  #:use-module (gnu build linux-modules)
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  #:use-module (guix i18n)
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  #:use-module (srfi srfi-1)
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  #:use-module (srfi srfi-71)
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  #:export (unsupported-pci-device?
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            pci-device-description))
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(define %unsupported-linux-modules
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  ;; List of Linux modules that are useless without non-free firmware.
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  ;;
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  ;; Currently only drivers for PCI devices are listed.  USB devices such as
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  ;; "btintel" would require support to list USB devices and read the USB
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  ;; device ID database.  Punt for now as this is usually less critical.
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  ;;
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  ;; This list is currently manually maintained based on information on
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  ;; non-free firmware available from
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  ;; <https://packages.debian.org/search?keywords=firmware&searchon=names&suite=stable§ion=all>.
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  '(;; WiFi.
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    "brcmfmac"
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    "ipw2100"
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    "ipw2200"
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    "iwlwifi"
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    "mwl8k"
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    "rtl8188ee"
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    "rtl818x_pci"
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    "rtl8192ce"
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    "rtl8192de"
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    "rtl8192ee"
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    ;; Ethernet.
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    "bnx2"
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    "bnx2x"
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    "liquidio"
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    ;; Graphics.
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    "amdgpu"
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    "radeon"
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    ;; Multimedia.
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    "ivtv"))
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(define unsupported-pci-device?
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  ;; Arrange to load the module alias database only once.
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  (let ((aliases (delay (known-module-aliases))))
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    (lambda (device)
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      "Return true if DEVICE is known to not be supported by free software."
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      (any (lambda (module)
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             (member module %unsupported-linux-modules))
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           (matching-modules (pci-device-module-alias device)
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                             (force aliases))))))
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(define (pci-device-description pci-database)
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  "Return a procedure that, given a PCI device, returns a string describing
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it."
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  (define (with-fallback lookup)
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    (lambda (vendor-id id)
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      (let ((vendor name (lookup vendor-id id)))
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        (values (or vendor (number->string vendor-id 16))
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                (or name (number->string id 16))))))
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  (define pci-lookup
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    (with-fallback (load-pci-device-database pci-database)))
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  (lambda (device)
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    (let ((vendor name (pci-lookup (pci-device-vendor device)
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                                   (pci-device-id device))))
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      (if (network-pci-device? device)
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          ;; TRANSLATORS: The two placeholders are the manufacturer
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          ;; and name of a PCI device.
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          (format #f (G_ "~a ~a (networking device)")
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                  vendor name)
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          (string-append vendor " " name)))))
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