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block: extend block session test framework

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This commit is contained in:
Stefan Kalkowski 2013-12-13 11:54:50 +01:00 committed by Norman Feske
parent e73a71be12
commit 35bb156972
10 changed files with 621 additions and 238 deletions
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8
dde_linux/run/usb_storage.run
View File

@ -12,7 +12,7 @@ set build_components {
core init
drivers/timer
drivers/usb
test/block
test/blk/cli
}
lappend_if [have_spec acpi] build_components drivers/acpi
@ -93,7 +93,7 @@ append config {
</start>
<start name="test-usb">
<resource name="RAM" quantum="2M" />
<binary name="test-block" />
<binary name="test-blk-cli" />
</start>
</config>
}
@ -105,7 +105,7 @@ install_config $config
# generic modules
set boot_modules {
core init timer usb_drv test-block
core init timer usb_drv test-blk-cli
}
lappend_if [have_spec acpi] boot_modules acpi_drv
@ -142,7 +142,7 @@ append qemu_args { \
-device usb-storage,bus=ehci.0,drive=disk \
-boot order=d }
run_genode_until {.*child exited with exit value 0.*} 40
run_genode_until {.*child exited with exit value 0.*} 100
puts "\ntest succeeded\n"

47
os/run/ahci.run
View File

@ -7,7 +7,7 @@ if {![have_spec x86_32] && ![have_spec exynos5]} {
# Build
#
set build_components { core init drivers/timer drivers/ahci test/block }
set build_components { core init drivers/timer drivers/ahci test/blk/cli }
lappend_if [have_spec x86_32] build_components drivers/pci
lappend_if [have_spec acpi] build_components drivers/acpi
@ -93,7 +93,7 @@ append config {
<any-service> <parent /> <any-child /></any-service>
</route>
</start>
<start name="test-block">
<start name="test-blk-cli">
<resource name="RAM" quantum="2M" />
<route>
<service name="Block"><child name="ahci"/></service>
@ -108,7 +108,7 @@ install_config $config
# Boot modules
#
set boot_modules { core init timer ahci test-block }
set boot_modules { core init timer ahci test-blk-cli }
append_if [have_spec x86_32] boot_modules { pci_drv acpi_drv }
append_if [have_spec nova] boot_modules pci_device_pd
@ -137,43 +137,4 @@ if { [file exists $disk_image] == 0 } then {
# Test
#
run_genode_until "child exited with exit value 0.*\n" 10
# pay only attention to the output of test-block
grep_output {^\[init -> test-block.*Comparing}
compare_output_to {
[init -> test-block] Comparing block 0000000000: success
[init -> test-block] Comparing block 0000000640: success
[init -> test-block] Comparing block 0000001280: success
[init -> test-block] Comparing block 0000001920: success
[init -> test-block] Comparing block 0000002560: success
[init -> test-block] Comparing block 0000003200: success
[init -> test-block] Comparing block 0000003840: success
[init -> test-block] Comparing block 0000004480: success
[init -> test-block] Comparing block 0000005120: success
[init -> test-block] Comparing block 0000005760: success
[init -> test-block] Comparing block 0000006400: success
[init -> test-block] Comparing block 0000007040: success
[init -> test-block] Comparing block 0000007680: success
[init -> test-block] Comparing block 0000008320: success
[init -> test-block] Comparing block 0000008960: success
[init -> test-block] Comparing block 0000009600: success
[init -> test-block] Comparing block 0000010240: success
[init -> test-block] Comparing block 0000010880: success
[init -> test-block] Comparing block 0000011520: success
[init -> test-block] Comparing block 0000012160: success
[init -> test-block] Comparing block 0000012800: success
[init -> test-block] Comparing block 0000013440: success
[init -> test-block] Comparing block 0000014080: success
[init -> test-block] Comparing block 0000014720: success
[init -> test-block] Comparing block 0000015360: success
[init -> test-block] Comparing block 0000016000: success
[init -> test-block] Comparing block 0000016640: success
[init -> test-block] Comparing block 0000017280: success
[init -> test-block] Comparing block 0000017920: success
[init -> test-block] Comparing block 0000018560: success
[init -> test-block] Comparing block 0000019200: success
[init -> test-block] Comparing block 0000019840: success
}
run_genode_until "Tests finished successfully.*\n" 50

54
os/run/blk.run Normal file
View File

@ -0,0 +1,54 @@
#
# \brief Test of Block session interface
# \author Stefan Kalkowski
# \date 2013-12-10
#
#
# Build
#
build { core init drivers/timer test/blk lib/trace/policy/rpc_name }
create_boot_directory
#
# Generate config
#
install_config {
<config>
<parent-provides>
<service name="ROM"/>
<service name="RAM"/>
<service name="IRQ"/>
<service name="IO_MEM"/>
<service name="IO_PORT"/>
<service name="CAP"/>
<service name="PD"/>
<service name="RM"/>
<service name="CPU"/>
<service name="LOG"/>
<service name="SIGNAL"/>
<service name="TRACE"/>
</parent-provides>
<default-route>
<any-service> <parent/> <any-child/> </any-service>
</default-route>
<start name="timer">
<resource name="RAM" quantum="1M"/>
<provides><service name="Timer"/></provides>
</start>
<start name="test-blk-srv">
<resource name="RAM" quantum="10M" />
<provides><service name="Block" /></provides>
</start>
<start name="test-blk-cli">
<resource name="RAM" quantum="50M" />
</start>
</config> }
#
# Boot modules
#
build_boot_image { core init timer test-blk-srv test-blk-cli rpc_name }
append qemu_args " -nographic -m 64 "
run_genode_until "Tests finished successfully.*\n" 100

6
os/run/sd_card.run
View File

@ -7,7 +7,7 @@ set build_components {
core init
drivers/timer
drivers/sd_card
test/block
test/blk/cli
}
lappend_if [have_spec platform_arndale] build_components drivers/platform
@ -52,7 +52,7 @@ append config {
<resource name="RAM" quantum="1M"/>
<provides><service name="Block"/></provides>
</start>
<start name="test-block">
<start name="test-blk-cli">
<resource name="RAM" quantum="1M" />
</start>
</config> }
@ -69,7 +69,7 @@ set boot_modules {
core init
timer
sd_card_drv
test-block
test-blk-cli
}
lappend_if [have_spec platform_arndale] boot_modules platform_drv

399
os/src/test/blk/cli/main.cc Normal file
View File

@ -0,0 +1,399 @@
/**
* \brief Block session tests - client side.
* \author Stefan Kalkowski
* \date 2013-12-10
*/
#include <base/allocator_avl.h>
#include <block_session/connection.h>
#include <timer_session/connection.h>
#include <os/ring_buffer.h>
static Genode::size_t blk_sz; /* block size of the device */
static Block::sector_t blk_cnt; /* number of blocks of device */
static Block::Session::Operations blk_ops; /* supported operations */
/**
* Virtual base class of all test scenarios, provides basic signal handling
*/
class Test
{
public:
struct Exception : Genode::Exception
{
virtual void print_error() = 0;
};
class Block_exception : public Exception
{
protected:
Block::sector_t _nr;
Genode::size_t _cnt;
bool _write;
public:
Block_exception(Block::sector_t nr, Genode::size_t cnt,
bool write)
: _nr(nr), _cnt(cnt), _write(write) {}
virtual void print_error() {
PINF("couldn't %s block %lld - %lld",
_write ? "write" : "read", _nr, _nr+_cnt); }
};
struct Submit_queue_full : Exception {
void print_error() { PINF("The submit queue is full!"); } };
struct Timeout : Exception {
void print_error() { PINF("Test timed out!"); } };
virtual void perform() = 0;
virtual void ack_avail() = 0;
protected:
Genode::Allocator_avl _alloc;
Block::Connection _session;
Genode::Signal_receiver _receiver;
Genode::Signal_dispatcher<Test> _disp_ack;
Genode::Signal_dispatcher<Test> _disp_submit;
Genode::Signal_dispatcher<Test> _disp_timeout;
Timer::Connection _timer;
bool _handle;
Genode::size_t _shared_buffer_size(Genode::size_t bulk)
{
return bulk +
sizeof(Block::Session::Tx_policy::Ack_queue) +
sizeof(Block::Session::Tx_policy::Submit_queue);
}
void _ack_avail(unsigned) { ack_avail(); }
void _ready_to_submit(unsigned) { _handle = false; }
void _timeout(unsigned) { throw Timeout(); }
Test(Genode::size_t bulk_buffer_size,
unsigned timeout_ms)
: _alloc(Genode::env()->heap()),
_session(&_alloc, _shared_buffer_size(bulk_buffer_size)),
_disp_ack(_receiver, *this, &Test::_ack_avail),
_disp_submit(_receiver, *this, &Test::_ready_to_submit),
_disp_timeout(_receiver, *this, &Test::_timeout)
{
_session.tx_channel()->sigh_ack_avail(_disp_ack);
_session.tx_channel()->sigh_ready_to_submit(_disp_submit);
if (timeout_ms) {
_timer.sigh(_disp_timeout);
_timer.trigger_once(1000*timeout_ms);
}
}
void _handle_signal()
{
_handle = true;
while (_handle) {
Genode::Signal s = _receiver.wait_for_signal();
static_cast<Genode::Signal_dispatcher_base *>
(s.context())->dispatch(s.num());
}
}
};
template <unsigned BULK_BLK_NR, unsigned NR_PER_REQ>
struct Read_test : Test
{
bool done;
Read_test(unsigned timeo_ms)
: Test(BULK_BLK_NR*blk_sz, timeo_ms), done(false) { }
void perform()
{
PINF("reading block 0 - %llu, %u per request",
blk_cnt - 1, NR_PER_REQ);
for (Block::sector_t nr = 0, cnt = NR_PER_REQ; nr < blk_cnt;
nr += cnt) {
while (!_session.tx()->ready_to_submit())
_handle_signal();
cnt = Genode::min<Block::sector_t>(NR_PER_REQ, blk_cnt-nr);
try {
Block::Packet_descriptor p(
_session.dma_alloc_packet(cnt*blk_sz),
Block::Packet_descriptor::READ, nr, cnt);
_session.tx()->submit_packet(p);
} catch(Block::Session::Tx::Source::Packet_alloc_failed) {
cnt = 0; /* retry the current block number */
_handle_signal();
}
}
while (!done)
_handle_signal();
}
void ack_avail()
{
_handle = false;
while (_session.tx()->ack_avail()) {
Block::Packet_descriptor p = _session.tx()->get_acked_packet();
if (!p.succeeded())
throw Block_exception(p.block_number(), p.block_count(),
false);
if ((p.block_number() + p.block_count()) == blk_cnt)
done = true;
_session.tx()->release_packet(p);
}
}
};
template <unsigned BULK_BLK_NR, unsigned NR_PER_REQ, unsigned BATCH>
struct Write_test : Test
{
struct Invalid_dimensions : Exception {
void print_error() { PINF("Invalid bulk buffer, or batch size!"); } };
struct Integrity_exception : Block_exception
{
Integrity_exception(Block::sector_t nr, Genode::size_t cnt)
: Block_exception(nr, cnt, false) {}
void print_error() {
PINF("Integrity check failed: block %lld - %lld", _nr, _nr+_cnt); }
};
typedef Ring_buffer<Block::Packet_descriptor, BATCH+1,
Ring_buffer_unsynchronized> Req_buffer;
Req_buffer read_packets;
Req_buffer write_packets;
Write_test(unsigned timeo_ms)
: Test(BULK_BLK_NR*blk_sz, timeo_ms)
{
if (BULK_BLK_NR < BATCH*NR_PER_REQ ||
BATCH > Block::Session::TX_QUEUE_SIZE ||
BULK_BLK_NR % BATCH != 0)
throw Invalid_dimensions();
}
bool compare(Block::Packet_descriptor &r, Block::Packet_descriptor &w)
{
signed char *dst = (signed char*)_session.tx()->packet_content(w),
*src = (signed char*)_session.tx()->packet_content(r);
for (Genode::size_t i = 0; i < blk_sz; i++)
if (dst[i] != src[i])
return false;
return true;
}
void compare()
{
while (!read_packets.empty()) {
Block::Packet_descriptor r = read_packets.get();
while (true) {
Block::Packet_descriptor w = write_packets.get();
if (r.block_number() == w.block_number()) {
if (!compare(r,w))
throw Integrity_exception(r.block_number(),
r.block_count());
break;
}
write_packets.add(w);
}
}
}
void write(signed char val)
{
while (!read_packets.empty()) {
Block::Packet_descriptor r = read_packets.get();
Block::Packet_descriptor w(_session.dma_alloc_packet(r.block_count()
*blk_sz),
Block::Packet_descriptor::WRITE,
r.block_number(), r.block_count());
signed char *dst = (signed char*)_session.tx()->packet_content(w),
*src = (signed char*)_session.tx()->packet_content(r);
for (Genode::size_t i = 0; i < blk_sz; i++)
dst[i] = src[i] + val;
_session.tx()->submit_packet(w);
}
while (write_packets.avail_capacity())
_handle_signal();
}
void read(Block::sector_t start, Block::sector_t end)
{
using namespace Block;
for (sector_t nr = start, cnt = NR_PER_REQ; nr < end;
cnt = Genode::min<sector_t>(NR_PER_REQ, end-nr),
nr += cnt) {
Block::Packet_descriptor p(_session.dma_alloc_packet(cnt*blk_sz),
Block::Packet_descriptor::READ, nr, cnt);
_session.tx()->submit_packet(p);
}
while (read_packets.avail_capacity())
_handle_signal();
}
void batch(Block::sector_t start, Block::sector_t end, signed char val)
{
read(start, end);
write(val);
read(start, end);
compare();
}
void perform()
{
if (!blk_ops.supported(Block::Packet_descriptor::WRITE))
return;
PINF("read/write/compare block 0 - %llu, %u per request",
blk_cnt - 1, NR_PER_REQ);
for (Block::sector_t nr = 0, cnt = BATCH*NR_PER_REQ; nr < blk_cnt;
cnt = Genode::min<Block::sector_t>(BATCH*NR_PER_REQ, blk_cnt-nr),
nr += cnt) {
batch(nr, nr + cnt, 1);
batch(nr, nr + cnt, -1);
}
}
void ack_avail()
{
_handle = false;
while (_session.tx()->ack_avail()) {
Block::Packet_descriptor p = _session.tx()->get_acked_packet();
bool write = p.operation() == Block::Packet_descriptor::WRITE;
if (!p.succeeded())
throw Block_exception(p.block_number(), p.block_count(), write);
if (write)
write_packets.add(p);
else
read_packets.add(p);
_session.tx()->release_packet(p);
}
}
};
struct Violation_test : Test
{
struct Write_on_read_only : Exception {
void print_error() { PINF("write on read-only device succeeded!"); } };
struct Range_check_failed : Block_exception
{
Range_check_failed(Block::sector_t nr, Genode::size_t cnt)
: Block_exception(nr, cnt, false) {}
void print_error() {
PINF("Range check failed: access to block %lld - %lld succeeded",
_nr, _nr+_cnt); }
};
int p_in_fly;
Violation_test(unsigned timeo) : Test(20*blk_sz, timeo), p_in_fly(0) {}
void req(Block::sector_t nr, Genode::size_t cnt, bool write)
{
Block::Packet_descriptor p(_session.dma_alloc_packet(blk_sz),
write ? Block::Packet_descriptor::WRITE
: Block::Packet_descriptor::READ,
nr, cnt);
_session.tx()->submit_packet(p);
p_in_fly++;
}
void perform()
{
if (!blk_ops.supported(Block::Packet_descriptor::WRITE))
req(0, 1, true);
req(blk_cnt, 1, false);
req(blk_cnt-1, 2, false);
while (p_in_fly > 0)
_handle_signal();
}
void ack_avail()
{
_handle = false;
while (_session.tx()->ack_avail()) {
Block::Packet_descriptor p = _session.tx()->get_acked_packet();
if (p.succeeded()) {
if (p.operation() == Block::Packet_descriptor::WRITE)
throw Write_on_read_only();
throw Range_check_failed(p.block_number(), p.block_count());
}
_session.tx()->release_packet(p);
p_in_fly--;
}
}
};
template <typename TEST>
void perform(unsigned timeo_ms = 0)
{
TEST t(timeo_ms);
t.perform();
}
int main()
{
try {
/**
* First we ask for the block size of the driver to dimension
* the queue size for our tests. Moreover, we implicitely test,
* whether closing and opening again works for the driver
*/
{
Genode::Allocator_avl alloc(Genode::env()->heap());
Block::Connection blk(&alloc);
blk.info(&blk_cnt, &blk_sz, &blk_ops);
}
PINF("block device with block size %zd sector count %lld",
blk_sz, blk_cnt);
perform<Read_test<Block::Session::TX_QUEUE_SIZE-10,
Block::Session::TX_QUEUE_SIZE-10> >();
perform<Read_test<Block::Session::TX_QUEUE_SIZE*5, 1> >();
perform<Read_test<Block::Session::TX_QUEUE_SIZE, 1> >();
perform<Write_test<Block::Session::TX_QUEUE_SIZE, 8, 16> >();
perform<Violation_test>(1000);
PINF("Tests finished successfully!");
} catch(Genode::Parent::Service_denied) {
PERR("Opening block session was denied!");
return -1;
} catch(Test::Exception &e) {
PERR("Test failed!");
e.print_error();
return -2;
}
return 0;
}

2
os/src/test/block/target.mk → os/src/test/blk/cli/target.mk
View File

@ -1,3 +1,3 @@
TARGET = test-block
TARGET = test-blk-cli
SRC_CC = main.cc
LIBS = base

149
os/src/test/blk/srv/main.cc Normal file
View File

@ -0,0 +1,149 @@
/*
* \brief Test block session interface - server side
* \author Stefan Kalkowski
* \date 2013-12-09
*/
/*
* Copyright (C) 2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#include <base/printf.h>
#include <cap_session/connection.h>
#include <timer_session/connection.h>
#include <block/component.h>
#include <block/driver.h>
#include <os/config.h>
#include <os/ring_buffer.h>
class Driver : public Block::Driver
{
private:
enum { MAX_REQUESTS = 5 };
typedef Ring_buffer<Block::Packet_descriptor, MAX_REQUESTS,
Ring_buffer_unsynchronized> Req_buffer;
Genode::size_t _number;
Genode::size_t _size;
Req_buffer _packets;
Genode::Signal_dispatcher<Driver> _ack;
Genode::Ram_dataspace_capability _blk_ds;
unsigned char *_blk_buf;
void _handle_ack(unsigned)
{
while (!_packets.empty()) {
Block::Packet_descriptor p = _packets.get();
session->ack_packet(p);
}
}
public:
Driver(Genode::size_t number, Genode::size_t size,
Genode::Signal_receiver &receiver)
: _number(number), _size(size),
_ack(receiver, *this, &Driver::_handle_ack),
_blk_ds(Genode::env()->ram_session()->alloc(number*size)),
_blk_buf(Genode::env()->rm_session()->attach(_blk_ds)) {}
Genode::Signal_context_capability handler() { return _ack; }
/*******************************
** Block::Driver interface **
*******************************/
Genode::size_t block_size() { return _size; }
Block::sector_t block_count() { return _number; }
Block::Session::Operations ops()
{
Block::Session::Operations ops;
ops.set_operation(Block::Packet_descriptor::READ);
ops.set_operation(Block::Packet_descriptor::WRITE);
return ops;
}
void read(Block::sector_t block_number,
Genode::size_t block_count,
char *buffer,
Block::Packet_descriptor &packet)
{
if (!_packets.avail_capacity())
throw Block::Driver::Request_congestion();
Genode::memcpy((void*)buffer, &_blk_buf[block_number*_size],
block_count * _size);
_packets.add(packet);
}
void write(Block::sector_t block_number,
Genode::size_t block_count,
const char *buffer,
Block::Packet_descriptor &packet)
{
if (!_packets.avail_capacity())
throw Block::Driver::Request_congestion();
Genode::memcpy(&_blk_buf[block_number*_size],
(void*)buffer, block_count * _size);
_packets.add(packet);
}
};
struct Factory : Block::Driver_factory
{
Genode::Signal_receiver &receiver;
::Driver *driver;
Factory(Genode::Signal_receiver &r) : receiver(r)
{
Genode::size_t blk_nr = 1024;
Genode::size_t blk_sz = 512;
try {
Genode::config()->xml_node().attribute("sectors").value(&blk_nr);
Genode::config()->xml_node().attribute("block_size").value(&blk_sz);
}
catch (...) { }
driver = new (Genode::env()->heap()) Driver(blk_nr, blk_sz, receiver);
}
Block::Driver *create() { return driver; }
void destroy(Block::Driver *driver) { }
};
int main()
{
using namespace Genode;
enum { STACK_SIZE = 2048 * sizeof(Genode::addr_t) };
static Cap_connection cap;
static Rpc_entrypoint ep(&cap, STACK_SIZE, "test_blk_ep");
static Signal_receiver receiver;
static Factory driver_factory(receiver);
static Block::Root block_root(&ep, env()->heap(), driver_factory, receiver);
env()->parent()->announce(ep.manage(&block_root));
static Timer::Connection timer;
timer.sigh(driver_factory.driver->handler());
timer.trigger_periodic(10000);
while (true) {
Signal s = receiver.wait_for_signal();
static_cast<Signal_dispatcher_base *>(s.context())->dispatch(s.num());
}
return 0;
}

3
os/src/test/blk/srv/target.mk Normal file
View File

@ -0,0 +1,3 @@
TARGET = test-blk-srv
SRC_CC = main.cc
LIBS = base config

183
os/src/test/block/main.cc
View File

@ -1,183 +0,0 @@
/*
* \brief Block driver interface test
* \author Sebastian Sumpf
* \date 2011-08-11
*
* Test block device, read blocks add one to the data, write block back, read
* block again and compare outputs
*/
/*
* Copyright (C) 2011-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#include <base/allocator_avl.h>
#include <base/printf.h>
#include <base/sleep.h>
#include <base/thread.h>
#include <block_session/connection.h>
#include <util/string.h>
static const bool read_only = false;
class Worker : public Genode::Thread<8192>
{
private:
Block::Connection _blk_con;
Genode::size_t _blk_size;
public:
/**
* Constructor
*/
Worker(Genode::Allocator_avl *block_alloc)
: Thread("worker"), _blk_con(block_alloc) { }
void dump(Block::Packet_descriptor &p1, Block::Packet_descriptor &p2)
{
Block::Session::Tx::Source *source = _blk_con.tx();
unsigned *d1 = (unsigned *)source->packet_content(p1);
unsigned *d2 = (unsigned *)source->packet_content(p2);
for (int i = 0; i < 128; i += 8) {
Genode::printf("1 0x%02x: %08x %08x %08x %08x %08x %08x %08x %08x\n", i,
d1[i], d1[i+1], d1[i+2], d1[i+3], d1[i+4], d1[i+5], d1[i+6], d1[i+7]);
Genode::printf("2 0x%02x: %08x %08x %08x %08x %08x %08x %08x %08x\n\n", i,
d2[i], d2[i+1], d2[i+2], d2[i+3], d2[i+4], d2[i+5], d2[i+6], d2[i+7]);
}
}
void compare(Genode::size_t block, Block::Packet_descriptor &p1, Block::Packet_descriptor &p2)
{
using namespace Genode;
Block::Session::Tx::Source *source = _blk_con.tx();
char *d1 = source->packet_content(p1);
char *d2 = source->packet_content(p2);
bool equal = true;
for (size_t i = 0; i < _blk_size / sizeof(unsigned); i++)
if (d1[i] != d2[i]) {
equal = false;
if (!read_only)
PERR("%zu: %x != %x", i, d1[i], d2[i]);
}
printf("Comparing block %010zu: ", block);
if (equal)
printf("success\n");
else {
printf("failed\n");
dump(p1, p2);
}
}
void modify(Block::Packet_descriptor &src, Block::Packet_descriptor &dst, int val)
{
Block::Session::Tx::Source *source = _blk_con.tx();
for (unsigned j = 0; j < _blk_size; j++)
source->packet_content(dst)[j] = source->packet_content(src)[j] + val;
}
void submit(Block::Packet_descriptor &src,
Block::Packet_descriptor &dst,
int val, Genode::size_t block, bool cmp)
{
Block::Session::Tx::Source *source = _blk_con.tx();
source->submit_packet(src);
src = source->get_acked_packet();
/* check for success of operation */
if (!src.succeeded()) {
PWRN("Could not read block %zu", block);
return;
}
if (cmp)
compare(block, src, dst);
modify(src, dst, val);
if (read_only)
return;
source->submit_packet(dst);
dst = source->get_acked_packet();
/* check for success of operation */
if (!dst.succeeded())
PWRN("Could not write block %zu", block);
}
/**
* Thread's entry function.
*/
void entry()
{
using namespace Genode;
Block::Session::Tx::Source *source = _blk_con.tx();
size_t blk_cnt = 0;
Block::Session::Operations ops;
_blk_con.info(&blk_cnt, &_blk_size, &ops);
/* check for read- and write-capability */
if (!ops.supported(Block::Packet_descriptor::READ)) {
PERR("Block device not readable!");
return;
}
if (!ops.supported(Block::Packet_descriptor::WRITE)) {
PERR("Block device not writeable!");
return;
}
printf("We have %zu blocks with a size of %zu bytes (%zu MB)\n",
blk_cnt, _blk_size, blk_cnt / (2 * 1024));
/* now, repeatedly invert each single block of the device */
size_t step = blk_cnt / 32;
for (size_t i = 0; i < blk_cnt; i += step) {
try {
/* allocate packet-descriptor for reading */
Block::Packet_descriptor p(source->alloc_packet(_blk_size),
Block::Packet_descriptor::READ, i);
/* allocate a packet-descriptor for writing */
Block::Packet_descriptor q(source->alloc_packet(_blk_size),
Block::Packet_descriptor::WRITE, i);
submit(p, q, 1, i, false);
submit(p, q, -1, i, true);
/* release packets */
source->release_packet(q);
source->release_packet(p);
} catch (Block::Session::Tx::Source::Packet_alloc_failed) {
PWRN("Mmh, strange we run out of packets");
source->release_packet(source->get_acked_packet());
}
}
env()->parent()->close(_blk_con.cap());
env()->parent()->exit(0);
}
};
int main(int argc, char **argv)
{
Genode::printf("--- AHCI block driver test ---\n");
Genode::Allocator_avl block_alloc(Genode::env()->heap());
Worker th(&block_alloc);
th.start();
Genode::sleep_forever();
return 0;
}

8
ports-foc/run/l4linux_dynamic.run
View File

@ -32,7 +32,7 @@ set build_components {
server/terminal_log
server/terminal_mux
test/affinity
test/block
test/blk/cli
test/gdb_monitor
test/input
test/lwip/http_srv
@ -231,11 +231,11 @@ set config {
<resource name="RAM" quantum="1M"/>
</subsystem>
<subsystem name="block_emmc" help="block device test on first eMMC partition">
<binary name="test-block"/>
<binary name="test-blk-cli"/>
<resource name="RAM" quantum="1M" />
</subsystem>
<subsystem name="block_usb" help="block device test on second USB disk partition">
<binary name="test-block"/>
<binary name="test-blk-cli"/>
<resource name="RAM" quantum="1M" />
</subsystem>
<subsystem name="vim_sata" help="VIM editor accessing the first SATA partition">
@ -600,7 +600,7 @@ set boot_modules {
terminal_log
terminal_mux
test-affinity
test-block
test-blk-cli
timer
usb_drv
vim.tar