Commit dc43aae5 authored by Krzysztof Karas's avatar Krzysztof Karas Committed by Tomasz Zawadzki
Browse files

hw_hotplug: use all available GPIO lines 



Prepare Beetles to use all available GPIO lines to
manage NVMe drives.

The two reasons are:
 + we want to test multiple NVMes instead just one
 + setting all GPIO will make it easier to physically
   connect NVMe connectors to Beetles

Change-Id: I0351dd2e7cfef0a75eff0692be3c746ad1b5664f
Signed-off-by: default avatarKrzysztof Karas <krzysztof.karas@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13748


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>
Reviewed-by: default avatarKarol Latecki <karol.latecki@intel.com>
parent f1108911

test/nvme/hw_hotplug.sh

+22 −12
Original line number Diff line number Diff line 
#!/usr/bin/env bash

shopt -s nullglob



testdir=$(readlink -f $(dirname $0))

rootdir=$(readlink -f $testdir/../..)
@@ -15,22 +16,25 @@ function beetle_ssh() { 
}



function insert_device() {

	beetle_ssh 'Beetle --SetGpio "$gpio" HIGH'

	beetle_ssh 'for gpio in {0..10}; do Beetle --SetGpio "$gpio" HIGH; done'

	for name in "${names[@]}"; do

		waitforblk $name

	done

	DRIVER_OVERRIDE=$driver $rootdir/scripts/setup.sh

}



function remove_device() {

	beetle_ssh 'Beetle --SetGpio "$gpio" LOW'

	beetle_ssh 'for gpio in {0..10}; do Beetle --SetGpio "$gpio" LOW; done'

}



function restore_device() {

	beetle_ssh 'Beetle --SetGpio "$gpio" HIGH'

	beetle_ssh 'for gpio in {0..10}; do Beetle --SetGpio "$gpio" HIGH; done'

	# Bind all devices to kernel

	"$rootdir/scripts/setup.sh" reset

}



ip=$1

gpio=$2

driver=$3

driver=$2



declare -i io_time=5

declare -i kernel_hotplug_time=7
@@ -38,18 +42,22 @@ declare -i kernel_hotplug_time=7 
timing_enter hotplug_hw_cfg



# Configure microcontroller

beetle_ssh 'Beetle --SetGpioDirection "$gpio" OUT'

beetle_ssh 'for gpio in {0..10}; do Beetle --SetGpioDirection "$gpio" OUT; done'



# Get blk dev name connected to interposer

beetle_ssh 'Beetle --SetGpio "$gpio" HIGH'

# Get blk dev names connected to interposer

restore_device

sleep $kernel_hotplug_time

$rootdir/scripts/setup.sh reset

blk_list1=$(lsblk -d --output NAME | grep "^nvme")

remove_device

sleep $kernel_hotplug_time

blk_list2=$(lsblk -d --output NAME | grep "^nvme") || true

name=${blk_list1#"$blk_list2"}



names=(${blk_list1#"$blk_list2"})



nvme_count="${#names[@]}"

echo nvme_count



# Move devices back to userspace

insert_device



timing_exit hotplug_hw_cfg
@@ -64,7 +72,7 @@ fi 
exec {log}> >(tee -a "$testdir/log.txt")

exec >&$log 2>&1



$SPDK_EXAMPLE_DIR/hotplug -i 0 -t 100 -n 2 -r 2 $mode &

"$SPDK_EXAMPLE_DIR/hotplug" -i 0 -t 100 -n $((2 * nvme_count)) -r $((2 * nvme_count)) $mode &

hotplug_pid=$!



trap 'killprocess $hotplug_pid; restore_device; rm $testdir/log.txt; exit 1' SIGINT SIGTERM EXIT
@@ -105,4 +113,6 @@ rm $testdir/log.txt 


trap - SIGINT SIGTERM EXIT



restore_device



timing_exit hotplug_hw_test