#!/bin/sh
_test_name="setpci"
. "$(dirname "$0")/harness.sh"

setup_tmpdir
SETPCI="$VX setpci"

echo "Running setpci tests..."

dev_path="/sys/bus/pci/devices/$(ls /sys/bus/pci/devices | head -n 1)"
slot="$(basename "$dev_path")"
short_slot="$(printf '%s' "$slot" | sed 's/^0000://')"
vendor="$(sed 's/^0x//' "$dev_path/vendor")"
device="$(sed 's/^0x//' "$dev_path/device")"
command_reg="$(od -An -tx2 -N2 -j4 "$dev_path/config" | tr -d ' \n')"

$SETPCI --dumpregs > dumpregs.out
check_grep "VENDOR_ID" dumpregs.out "dumpregs: lists standard names"

out="$($SETPCI -s "$short_slot" VENDOR_ID)"
check_eq "$out" "$vendor" "read: VENDOR_ID matches sysfs"

out="$($SETPCI -s "$short_slot" DEVICE_ID)"
check_eq "$out" "$device" "read: DEVICE_ID matches sysfs"

out="$($SETPCI -s "$short_slot" 04.w)"
check_eq "$out" "$command_reg" "read: numeric register syntax works"

check_exit "dry-run: masked write succeeds" 0 $SETPCI -D -s "$short_slot" COMMAND="$command_reg:ffff"
after="$($SETPCI -s "$short_slot" COMMAND)"
check_eq "$after" "$command_reg" "dry-run: command register unchanged"

summary