150d143755
As a result of the API change the memory handling could be simplified. Since the Block session dataspace is now directly used for DMA, we actually only have to provide the memory for setting up PRP lists for large requests (for the moment more than 8 KiB of data). As we limit the maximum data transfer length to 2 MiB, we get by with just a page per request. Those memory is allocated beforehand for the maximum number of I/O requests, which got bumbed to 512 entries. Since not all NVMe controllers support such large a maximum data transfer length and this many entries, especially older ones, the values are capped according to the properties of the controller during initialization. (The memory demands of the component are around 3 MiB due to setting up for the common case, even if a particular controller is only able to make use of less.) (Although there are controllers whose maximum memory page size is more than 4K, the driver is hardcoded to solely use 4K pages.) In addition to those changes, the driver now supports the 'SYNC' and 'TRIM' operations of the Block session by using the NVMe 'FLUSH' and 'WRITE_ZEROS' commands. Fixes #3702.
204 lines
5.5 KiB
Plaintext
204 lines
5.5 KiB
Plaintext
assert_spec x86
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# perform write tests when requested
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if {[info exists env(GENODE_TEST_WRITE)]} {
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set test_write 1
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} else {
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set test_write 0
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}
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set is_qemu [have_include power_on/qemu]
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set is_old [expr [have_spec fiasco] || [have_spec okl4] || [have_spec pistachio]]
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set is_32bit_x86_hw [expr !$is_qemu && [have_spec 32bit]]
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#
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# Only run tests on supported platforms
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#
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if {[expr [have_spec linux] || $is_32bit_x86_hw || [expr $is_qemu && $is_old]]} {
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puts "This run script is not supported on this platform."
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exit 0
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}
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#
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# Qemu and on certain platforms only use the small set of tests
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#
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set small_test [expr $is_qemu || [have_spec foc] || [have_spec sel4]]
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#
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# Check used commands
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#
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set dd [installed_command dd]
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#
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# Query writeable for policy
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#
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proc writeable { } {
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global test_write
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if {$test_write} {
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return yes
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} else {
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return no
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}
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}
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#
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# Build
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#
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set build_components {
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core init timer
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drivers/nvme
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app/block_tester
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}
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source ${genode_dir}/repos/base/run/platform_drv.inc
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append_platform_drv_build_components
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build $build_components
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#
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# Create raw image
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#
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catch { exec $dd if=/dev/zero of=bin/nvme.raw bs=1M count=0 seek=32768 }
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create_boot_directory
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#
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# Generate config
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#
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append config {
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<config verbose="no">
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<parent-provides>
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<service name="ROM"/>
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<service name="RAM"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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<service name="CAP"/>
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<service name="PD"/>
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<service name="RM"/>
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<service name="CPU"/>
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<service name="LOG"/>
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<service name="SIGNAL" />
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</parent-provides>
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<default-route>
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<any-service> <parent/> <any-child/> </any-service>
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</default-route>
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<default caps="100"/>
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<start name="timer">
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<resource name="RAM" quantum="1M"/>
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<provides><service name="Timer"/></provides>
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</start>}
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append_platform_drv_config
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append config {
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<start name="nvme_drv">
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<resource name="RAM" quantum="4M"/>
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<provides> <service name="Block"/> </provides>
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<config>
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<policy label_prefix="block_tester" writeable="} [writeable] {"/>
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</config>
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</start>
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<start name="block_tester" caps="200">
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<resource name="RAM" quantum="64M"/>
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<config verbose="no" report="no" log="yes" stop_on_error="no">
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<tests>}
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append_if $small_test config {
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<sequential length="256M" size="64K"/>
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<random length="256M" size="64K" seed="0xdeadbeef"/>}
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append_if [expr !$small_test] config {
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<sequential length="1G" size="4K" batch="128"/>
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<sequential length="1G" size="8K" batch="128"/>
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<sequential length="1G" size="64K"/>
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<sequential length="3G" size="1M" batch="128"/>
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<random length="1G" size="16K" seed="0xdeadbeef"/>
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<random length="3G" size="512K" seed="0xc0ffee"/>
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<ping_pong length="1G" size="16K"/>}
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append_if $test_write config {
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<sequential length="256M" size="64K" batch="128" write="yes"/>
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<replay batch="128">
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<request type="read" lba="0" count="1"/>
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<request type="read" lba="0" count="1"/>
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<request type="read" lba="0" count="1"/>
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<request type="read" lba="2048" count="1016"/>
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<request type="read" lba="0" count="1"/>
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<request type="read" lba="0" count="1"/>
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<request type="read" lba="0" count="1"/>
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<request type="read" lba="2048" count="1016"/>
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<request type="read" lba="0" count="1"/>
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<request type="read" lba="0" count="1"/>
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<request type="read" lba="0" count="1"/>
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<request type="read" lba="2048" count="1016"/>
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<request type="read" lba="4096" count="1"/>
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<request type="read" lba="51881" count="1"/>
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<request type="read" lba="51890" count="1"/>
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<request type="read" lba="114184" count="14"/>
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<request type="read" lba="114198" count="1"/>
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<request type="read" lba="114033" count="127"/>
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<request type="read" lba="114160" count="24"/>
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<request type="write" lba="0" count="1"/>
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<request type="read" lba="12288" count="2048"/>
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<request type="write" lba="4096" count="2048"/>
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<request type="write" lba="0" count="1"/>
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<request type="write" lba="2048" count="1"/>
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<request type="write" lba="5696" count="1"/>
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<request type="write" lba="5696" count="1"/>
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<request type="sync" lba="0" count="1"/>
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<request type="write" lba="5696" count="1"/>
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<request type="read" lba="4096" count="1"/>
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<request type="read" lba="61440" count="16"/>
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<request type="read" lba="158777" count="127"/>
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<request type="write" lba="40960" count="2048"/>
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<request type="write" lba="0" count="1"/>
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<request type="write" lba="2073" count="1"/>
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<request type="read" lba="190483" count="64"/>
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<request type="read" lba="190411" count="53"/>
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<request type="read" lba="190464" count="11"/>
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<request type="read" lba="106074" count="64"/>
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<request type="read" lba="105954" count="56"/>
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<request type="read" lba="122802" count="24"/>
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<request type="read" lba="123594" count="64"/>
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<request type="read" lba="123722" count="64"/>
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</replay>}
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append config {
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</tests>
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</config>
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<route>
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<service name="Block"><child name="nvme_drv"/></service>
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<any-service> <parent/> <any-child /> </any-service>
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</route>
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</start>
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</config>}
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install_config $config
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#
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# Boot modules
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#
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set boot_modules {
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core init timer nvme_drv
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ld.lib.so block_tester
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}
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append_platform_drv_boot_modules
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build_boot_image $boot_modules
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append qemu_args " -nographic -m 512 "
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append qemu_args " -drive id=nvme0,file=bin/nvme.raw,format=raw,if=none "
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append qemu_args " -device nvme,drive=nvme0,serial=fnord,id=nvme0n1 "
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run_genode_until {.*child "block_tester" exited with exit value 0.*\n} 300
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exec rm -f bin/nvme.raw
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