Lines Matching refs:sys
99 [[ -e /sys/kernel/iommu_groups/$iommu_group/type ]] || return 0
105 for pci in "/sys/kernel/iommu_groups/$iommu_group/devices/"*; do
117 [[ -e /sys/bus/pci/devices/$pci/iommu_group ]] || return 0
119 iommu_group=$(readlink -f "/sys/bus/pci/devices/$pci/iommu_group")
126 [[ -e /sys/kernel/iommu_groups/0 ]] && return 0
127 [[ -e /sys/module/vfio/parameters/enable_unsafe_noiommu_mode ]] || return 1
128 [[ $(< /sys/module/vfio/parameters/enable_unsafe_noiommu_mode) == Y ]]
132 [[ -e /sys/bus/pci/devices ]] || return 1
139 for pci in /sys/bus/pci/devices/*; do
199 local pci=/sys/bus/pci/devices/$1 driver
322 if [[ -e /sys/bus/pci/drivers/nvme/$bdf ]] \
485 IFS="/" read -ra dev_path < <(readlink -f "/sys/bus/pci/devices/$nvme_bdf")
507 [[ -w /dev/kmsg && $(< /proc/sys/kernel/printk_devkmsg) == on ]] || return 0
515 for block in /sys/block/!(nvme*); do
529 for ctrl in /sys/class/nvme/nvme*; do
536 for block in /sys/block/nvme*; do