diff options
| -rw-r--r-- | guix/build/linux-initrd.scm | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/guix/build/linux-initrd.scm b/guix/build/linux-initrd.scm index 9a13e7213c..376242ce2b 100644 --- a/guix/build/linux-initrd.scm +++ b/guix/build/linux-initrd.scm @@ -211,6 +211,16 @@ corresponding device name." spec (or (find-partition-by-label spec) spec))) +(define* (make-disk-device-nodes base major #:optional (minor 0)) + "Make the block device nodes around BASE (something like \"/root/dev/sda\") +with the given MAJOR number, starting with MINOR." + (mknod base 'block-special #o644 (device-number major minor)) + (let loop ((i 1)) + (when (< i 6) + (mknod (string-append base (number->string i)) + 'block-special #o644 (device-number major (+ minor i))) + (loop (+ i 1))))) + (define* (make-essential-device-nodes #:key (root "/")) "Make essential device nodes under ROOT/dev." ;; The hand-made udev! @@ -226,14 +236,17 @@ corresponding device name." (mkdir (scope "dev"))) ;; Make the device nodes for SCSI disks. - (mknod (scope "dev/sda") 'block-special #o644 (device-number 8 0)) - (mknod (scope "dev/sda1") 'block-special #o644 (device-number 8 1)) - (mknod (scope "dev/sda2") 'block-special #o644 (device-number 8 2)) + (make-disk-device-nodes (scope "dev/sda") 8) + (make-disk-device-nodes (scope "dev/sdb") 8 16) + (make-disk-device-nodes (scope "dev/sdc") 8 32) + (make-disk-device-nodes (scope "dev/sdd") 8 48) + + ;; SCSI CD-ROM devices (aka. "/dev/sr0" etc.). + (mknod (scope "dev/scd0") 'block-special #o644 (device-number 11 0)) + (mknod (scope "dev/scd1") 'block-special #o644 (device-number 11 1)) ;; The virtio (para-virtualized) block devices, as supported by QEMU/KVM. - (mknod (scope "dev/vda") 'block-special #o644 (device-number 252 0)) - (mknod (scope "dev/vda1") 'block-special #o644 (device-number 252 1)) - (mknod (scope "dev/vda2") 'block-special #o644 (device-number 252 2)) + (make-disk-device-nodes (scope "dev/vda") 252) ;; Memory (used by Xorg's VESA driver.) (mknod (scope "dev/mem") 'char-special #o640 (device-number 1 1)) |