#!/usr/bin/env bash
#  SPDX-License-Identifier: BSD-3-Clause
#  Copyright (C) 2022 Intel Corporation
#  All rights reserved.
#
testdir=$(readlink -f "$(dirname "$0")")
rootdir=$(readlink -f "$testdir/../..")

source "$rootdir/test/common/autotest_common.sh"
source "$rootdir/test/vhost/common.sh"
source "$testdir/common.sh"

function cleanup() {
	killprocess $vhostpid
	killprocess $smapid
	vm_kill_all
}

function create_device() {
	"$rootdir/scripts/sma-client.py" <<- CREATE
		{
		  "method": "CreateDevice",
		  "params": {
		    "virtio_blk": {
		      "physical_id": "$1",
		      "virtual_id": "0"
		    },
		    "volume": {
		      "volume_id": "$(uuid2base64 $2)"
		    }
		  }
		}
	CREATE
}

function delete_device() {
	"$rootdir/scripts/sma-client.py" <<- DELETE
		{
		  "method": "DeleteDevice",
		  "params": {
		    "handle": "$1"
		  }
		}
	DELETE
}

trap "cleanup; exit 1" SIGINT SIGTERM EXIT

vm_no=0
timing_enter setup_vm
vm_setup \
	--force=$vm_no \
	--disk-type=virtio \
	--qemu-args="-qmp tcp:localhost:9090,server,nowait -device pci-bridge,chassis_nr=1,id=pci.spdk.0 -device pci-bridge,chassis_nr=2,id=pci.spdk.1" \
	--os="$VM_IMAGE"

vm_run $vm_no
vm_wait_for_boot 300 $vm_no
timing_exit setup_vm

$rootdir/build/bin/vhost -S /var/tmp -m 0x3 --wait-for-rpc &
vhostpid=$!

waitforlisten $vhostpid

# Configure accel crypto module & operations
rpc_cmd dpdk_cryptodev_scan_accel_module
rpc_cmd dpdk_cryptodev_set_driver -d crypto_aesni_mb
rpc_cmd accel_assign_opc -o encrypt -m dpdk_cryptodev
rpc_cmd accel_assign_opc -o decrypt -m dpdk_cryptodev
rpc_cmd framework_start_init

$rootdir/scripts/sma.py -c <(
	cat <<- EOF
		address: 127.0.0.1
		port: 8080
		devices:
		  - name: 'vhost_blk'
		    params:
		      buses:
		      - name: 'pci.spdk.0'
		        count: 32
		      - name: 'pci.spdk.1'
		        count: 32
		      qmp_addr: 127.0.0.1
		      qmp_port: 9090
		crypto:
		  name: 'bdev_crypto'
	EOF
) &
smapid=$!

# Wait until the SMA starts listening
sma_waitforlisten

# Check that there is no vhost device on guest os
[[ $(vm_exec $vm_no "lsblk | grep -E \"^vd.\" | wc -l") -eq 0 ]]

# Prepare the target
rpc_cmd bdev_null_create null0 100 4096
rpc_cmd bdev_null_create null1 100 4096
uuid=$(rpc_cmd bdev_get_bdevs -b null0 | jq -r '.[].uuid')
uuid2=$(rpc_cmd bdev_get_bdevs -b null1 | jq -r '.[].uuid')

# Create a couple of devices and verify them via RPC
devid0=$(create_device 0 $uuid | jq -r '.handle')
rpc_cmd vhost_get_controllers -n sma-0

devid1=$(create_device 1 $uuid2 | jq -r '.handle')
rpc_cmd vhost_get_controllers -n sma-0
rpc_cmd vhost_get_controllers -n sma-1
[[ "$devid0" != "$devid1" ]]

# Check that there are two controllers (2 created above )
[[ $(rpc_cmd vhost_get_controllers | jq -r '. | length') -eq 2 ]]

# Verify the method is idempotent and sending the same gRPCs won't create new
# devices and will return the same handles
tmp0=$(create_device 0 $uuid | jq -r '.handle')
tmp1=$(create_device 1 $uuid2 | jq -r '.handle')

# Try to duplicate device, this time with different uuid
NOT create_device 1 $uuid | jq -r '.handle'

# Check that there are execly two vhost device on guest os
[[ $(vm_exec $vm_no "lsblk | grep -E \"^vd.\" | wc -l") -eq 2 ]]

[[ $(rpc_cmd vhost_get_controllers | jq -r '. | length') -eq 2 ]]
[[ "$tmp0" == "$devid0" ]]
[[ "$tmp1" == "$devid1" ]]

# Now delete both of them verifying via RPC
delete_device "$devid0"
NOT rpc_cmd vhost_get_controllers -n sma-0
[[ $(rpc_cmd vhost_get_controllers | jq -r '. | length') -eq 1 ]]

delete_device "$devid1"
NOT rpc_cmd vhost_get_controllers -n sma-1
[[ $(rpc_cmd vhost_get_controllers | jq -r '. | length') -eq 0 ]]

# Finally check that removing a non-existing device is also successful
delete_device "$devid0"
delete_device "$devid1"

# At the end check if vhost devices are gone
[[ $(vm_exec $vm_no "lsblk | grep -E \"^vd.\" | wc -l") -eq 0 ]]

# Create 31 bdevs, two already exist
for ((i = 2; i < 33; i++)); do
	rpc_cmd bdev_null_create null$i 100 4096
done

devids=()

# Now try to add 33 devices, max for one bus + one device on the next bus
for ((i = 0; i < 33; i++)); do
	uuid=$(rpc_cmd bdev_get_bdevs -b null$i | jq -r '.[].uuid')
	devids[i]=$(create_device $i $uuid | jq -r '.handle')
done

[[ $(vm_exec $vm_no "lsblk | grep -E \"^vd.\" | wc -l") -eq 33 ]]

# Cleanup at the end
for ((i = 0; i < 33; i++)); do
	delete_device ${devids[$i]}
done

# And back to none
[[ $(vm_exec $vm_no "lsblk | grep -E \"^vd.\" | wc -l") -eq 0 ]]

key0=1234567890abcdef1234567890abcdef
rpc_cmd bdev_malloc_create -b malloc0 32 4096
uuidc=$(rpc_cmd bdev_get_bdevs -b malloc0 | jq -r '.[].uuid')

#Try to create controller with bdev crypto
devid0=$(
	"$rootdir/scripts/sma-client.py" <<- CREATE | jq -r '.handle'
		{
		  "method": "CreateDevice",
		  "params": {
		    "virtio_blk": {
		      "physical_id": "0",
		      "virtual_id": "0"
		    },
		    "volume": {
		      "volume_id": "$(uuid2base64 $uuidc)",
		      "crypto": {
		        "cipher": "$(get_cipher AES_CBC)",
		        "key": "$(format_key $key0)"
		      }
		    }
		  }
		}
	CREATE
)

[[ $(rpc_cmd vhost_get_controllers | jq -r '. | length') -eq 1 ]]
bdev=$(rpc_cmd vhost_get_controllers | jq -r '.[].backend_specific.block.bdev')

crypto_bdev=$(rpc_cmd bdev_get_bdevs | jq -r '.[] | select(.product_name == "crypto")')
[[ $(jq -r '.driver_specific.crypto.name' <<< "$crypto_bdev") == "$bdev" ]]
key_name=$(jq -r '.driver_specific.crypto.key_name' <<< "$crypto_bdev")
key_obj=$(rpc_cmd accel_crypto_keys_get -k $key_name)
[[ $(jq -r '.[0].key' <<< "$key_obj") == "$key0" ]]
[[ $(jq -r '.[0].cipher' <<< "$key_obj") == "AES_CBC" ]]

# Delete crypto device and check if it's gone
delete_device $devid0
[[ $(rpc_cmd bdev_get_bdevs | jq -r '.[] | select(.product_name == "crypto")' | jq -r length) -eq 0 ]]

# Test qos
device_vhost=2
device=$(create_device 0 $uuid | jq -r '.handle')

# First check the capabilities
diff <(get_qos_caps $device_vhost | jq --sort-keys) <(
	jq --sort-keys <<- CAPS
		{
		  "max_device_caps": {
		    "rw_iops": true,
		    "rd_bandwidth": true,
		    "wr_bandwidth": true,
		    "rw_bandwidth": true
		  },
		  "max_volume_caps": {
		    "rw_iops": true,
		    "rd_bandwidth": true,
		    "wr_bandwidth": true,
		    "rw_bandwidth": true
		  }
		}
	CAPS
)

"$rootdir/scripts/sma-client.py" <<- EOF
	{
	  "method": "SetQos",
	  "params": {
	    "device_handle": "$device",
	    "volume_id": "$(uuid2base64 $uuid)",
	    "maximum": {
	      "rd_iops": 0,
	      "wr_iops": 0,
	      "rw_iops": 3,
	      "rd_bandwidth": 4,
	      "wr_bandwidth": 5,
	      "rw_bandwidth": 6
	    }
	  }
	}
EOF

# Make sure that limits were changed
diff <(rpc_cmd bdev_get_bdevs -b null32 | jq --sort-keys '.[].assigned_rate_limits') <(
	jq --sort-keys <<- EOF
		{
		  "rw_ios_per_sec": 3000,
		  "rw_mbytes_per_sec": 6,
		  "r_mbytes_per_sec": 4,
		  "w_mbytes_per_sec": 5
		}
	EOF
)

# Try to set capabilities with empty volume id
"$rootdir/scripts/sma-client.py" <<- EOF
	{
	  "method": "SetQos",
	  "params": {
	    "device_handle": "$device",
	    "volume_id": "",
	    "maximum": {
	      "rd_iops": 0,
	      "wr_iops": 0,
	      "rw_iops": 4,
	      "rd_bandwidth": 5,
	      "wr_bandwidth": 6,
	      "rw_bandwidth": 7
	    }
	  }
	}
EOF

# Make sure that limits were changed even if volume id is not set
diff <(rpc_cmd bdev_get_bdevs -b null32 | jq --sort-keys '.[].assigned_rate_limits') <(
	jq --sort-keys <<- EOF
		{
		  "rw_ios_per_sec": 4000,
		  "rw_mbytes_per_sec": 7,
		  "r_mbytes_per_sec": 5,
		  "w_mbytes_per_sec": 6
		}
	EOF
)

# Try none-existing volume uuid
NOT "$rootdir/scripts/sma-client.py" <<- EOF
	{
	  "method": "SetQos",
	  "params": {
	    "device_handle": "$device",
	    "volume_id": "$(uuid2base64 $(uuidgen))",
	    "maximum": {
	      "rd_iops": 0,
	      "wr_iops": 0,
	      "rw_iops": 5,
	      "rd_bandwidth": 6,
	      "wr_bandwidth": 7,
	      "rw_bandwidth": 8
	    }
	  }
	}
EOF

# Try invalid (too short) volume uuid
NOT "$rootdir/scripts/sma-client.py" <<- EOF
	{
	  "method": "SetQos",
	  "params": {
	    "device_handle": "$device",
	    "volume_id": "$(base64 <<<'invalid'))",
	    "maximum": {
	      "rd_iops": 0,
	      "wr_iops": 0,
	      "rw_iops": 5,
	      "rd_bandwidth": 6,
	      "wr_bandwidth": 7,
	      "rw_bandwidth": 8
	    }
	  }
	}
EOF

# Values remain unchanged
diff <(rpc_cmd bdev_get_bdevs -b null32 | jq --sort-keys '.[].assigned_rate_limits') <(
	jq --sort-keys <<- EOF
		{
		  "rw_ios_per_sec": 4000,
		  "rw_mbytes_per_sec": 7,
		  "r_mbytes_per_sec": 5,
		  "w_mbytes_per_sec": 6
		}
	EOF
)

delete_device "$device"

cleanup
trap - SIGINT SIGTERM EXIT