Commit 29756d4c authored by Michal Berger's avatar Michal Berger Committed by Tomasz Zawadzki
Browse files

scripts/get-pmr: Return failure if neither CMB/PMR buf is found 



Signed-off-by: default avatarMichal Berger <michal.berger@intel.com>
Change-Id: I7d7b12ee7c5b081bda52659706e9aed8cefbd5a4
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14820


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
parent 4978c4fe

scripts/get-pmr

+11 −3
Original line number Diff line number Diff line
@@ -61,7 +61,13 @@ info() { 
	bar4=$(get_bar "$dev" 0x20)

	bar5=$(get_bar "$dev" 0x24)



	# QEMU uses 64-bit BARs

	# QEMU uses 64-bit BARs. If there is no CMB or PMR present, report

	# that to the user and signal failure.

	if ((!(bar2 & 1 << 2) && !(bar4 & 1 << 2))); then

		echo "No CMB|PMR present under $dev" >&2

		return 1

	fi



	if ((bar2 & 1 << 2)); then

		bar_type2=pmr

		if [[ -e $nvme/cmb ]]; then
@@ -70,14 +76,16 @@ info() { 
		base_addr2=$(((bar2 & ~0xf) + (bar3 << 32)))

		print_info "$bar2" "$base_addr2" "$bar_type2"

	fi

	# QEMU uses 64-bit BARs



	if ((bar4 & 1 << 2)); then

		base_addr4=$(((bar4 & ~0xf) + (bar5 << 32)))

		print_info "$bar4" "$base_addr4" pmr

	fi

}



missing_buf=0

for nvme in /sys/class/nvme/nvme*; do

	pci=$(readlink -f "$nvme/device") pci=${pci##*/}

	info "$pci"

	info "$pci" || ((++missing_buf))

done

((missing_buf == 0))