mirror of https://github.com/schoebel/mars
189 lines
4.5 KiB
C
189 lines
4.5 KiB
C
// (c) 2010 Thomas Schoebel-Theuer / 1&1 Internet AG
|
|
|
|
//#define BRICK_DEBUGGING
|
|
//#define MARS_DEBUGGING
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/string.h>
|
|
|
|
#include <linux/major.h>
|
|
#include <linux/genhd.h>
|
|
#include <linux/blkdev.h>
|
|
|
|
#define _STRATEGY
|
|
#include "mars.h"
|
|
|
|
#include "mars_if_device.h"
|
|
#include "mars_check.h"
|
|
#include "mars_device_sio.h"
|
|
#include "mars_buf.h"
|
|
#include "mars_usebuf.h"
|
|
|
|
GENERIC_ASPECT_FUNCTIONS(generic,mars_ref);
|
|
|
|
static struct generic_brick *if_brick = NULL;
|
|
static struct generic_brick *usebuf_brick = NULL;
|
|
static struct generic_brick *buf_brick = NULL;
|
|
static struct buf_brick *_buf_brick = NULL;
|
|
static struct generic_brick *device_brick = NULL;
|
|
|
|
static void test_endio(struct mars_ref_object *mref)
|
|
{
|
|
MARS_DBG("test_endio() called! error=%d\n", mref->cb_error);
|
|
}
|
|
|
|
void make_test_instance(void)
|
|
{
|
|
static char *names[] = { "brick" };
|
|
struct generic_input *last = NULL;
|
|
|
|
void *brick(const void *_brick_type)
|
|
{
|
|
const struct generic_brick_type *brick_type = _brick_type;
|
|
const struct generic_input_type **input_types;
|
|
const struct generic_output_type **output_types;
|
|
void *mem;
|
|
int size;
|
|
int i;
|
|
int status;
|
|
|
|
size = brick_type->brick_size +
|
|
(brick_type->max_inputs + brick_type->max_outputs) * sizeof(void*);
|
|
input_types = brick_type->default_input_types;
|
|
for (i = 0; i < brick_type->max_inputs; i++) {
|
|
const struct generic_input_type *type = *input_types++;
|
|
size += type->input_size;
|
|
}
|
|
output_types = brick_type->default_output_types;
|
|
for (i = 0; i < brick_type->max_outputs; i++) {
|
|
const struct generic_output_type *type = *output_types++;
|
|
size += type->output_size;
|
|
}
|
|
|
|
mem = kzalloc(size, GFP_MARS);
|
|
if (!mem) {
|
|
MARS_ERR("cannot grab test memory for %s\n", brick_type->type_name);
|
|
msleep(60000);
|
|
return NULL;
|
|
}
|
|
status = generic_brick_init_full(mem, size, brick_type, NULL, NULL, names);
|
|
MARS_DBG("done (status=%d)\n", status);
|
|
if (status) {
|
|
MARS_ERR("cannot init brick %s\n", brick_type->type_name);
|
|
msleep(60000);
|
|
return NULL;
|
|
}
|
|
return mem;
|
|
}
|
|
|
|
void connect(struct generic_input *a, struct generic_output *b)
|
|
{
|
|
int status;
|
|
#if 1
|
|
struct generic_brick *tmp = brick(&check_brick_type);
|
|
|
|
status = generic_connect(a, tmp->outputs[0]);
|
|
MARS_DBG("connect (status=%d)\n", status);
|
|
if (status < 0)
|
|
msleep(60000);
|
|
|
|
status = generic_connect(tmp->inputs[0], b);
|
|
#else
|
|
status = generic_connect(a, b);
|
|
#endif
|
|
MARS_DBG("connect (status=%d)\n", status);
|
|
if (status < 0)
|
|
msleep(60000);
|
|
}
|
|
|
|
|
|
MARS_DBG("starting....\n");
|
|
|
|
device_brick = brick(&device_sio_brick_type);
|
|
|
|
if_brick = brick(&if_device_brick_type);
|
|
|
|
#if 1 // usebuf zwischenschalten
|
|
usebuf_brick = brick(&usebuf_brick_type);
|
|
|
|
connect(if_brick->inputs[0], usebuf_brick->outputs[0]);
|
|
|
|
last = usebuf_brick->inputs[0];
|
|
#else
|
|
(void)usebuf_brick;
|
|
last = if_brick->inputs[0];
|
|
#endif
|
|
|
|
#if 1 // buf zwischenschalten
|
|
#define MEM (1024 / 4 * 256)
|
|
|
|
buf_brick = brick(&buf_brick_type);
|
|
_buf_brick = (void*)buf_brick;
|
|
_buf_brick->backing_order = 0;
|
|
//_buf_brick->backing_order = 4;
|
|
//_buf_brick->backing_order = 7;
|
|
_buf_brick->backing_size = PAGE_SIZE << _buf_brick->backing_order;
|
|
_buf_brick->max_count = MEM >> _buf_brick->backing_order;
|
|
|
|
connect(last, buf_brick->outputs[0]);
|
|
|
|
connect(buf_brick->inputs[0], device_brick->outputs[0]);
|
|
|
|
if (false) { // ref-counting no longer valid
|
|
struct buf_output *output = _buf_brick->outputs[0];
|
|
struct mars_ref_object *mref = NULL;
|
|
struct generic_object_layout ol = {};
|
|
|
|
mref = generic_alloc_mars_ref((struct generic_output*)output, &ol);
|
|
|
|
if (mref) {
|
|
int status;
|
|
mref->ref_pos = 0;
|
|
mref->ref_len = PAGE_SIZE;
|
|
mref->ref_may_write = READ;
|
|
|
|
status = GENERIC_OUTPUT_CALL(output, mars_ref_get, mref);
|
|
MARS_DBG("buf_get (status=%d)\n", status);
|
|
if (true) {
|
|
mref->cb_ref_endio = test_endio;
|
|
|
|
GENERIC_OUTPUT_CALL(output, mars_ref_io, mref, READ);
|
|
status = mref->cb_error;
|
|
MARS_DBG("buf_io (status=%d)\n", status);
|
|
}
|
|
GENERIC_OUTPUT_CALL(output, mars_ref_put, mref);
|
|
}
|
|
}
|
|
#else
|
|
(void)test_endio;
|
|
connect(last, device_brick->outputs[0]);
|
|
#endif
|
|
msleep(2000);
|
|
MARS_INF("------------- DONE --------------\n");
|
|
}
|
|
|
|
void destroy_test_instance(void)
|
|
{
|
|
}
|
|
|
|
static void __exit exit_test(void)
|
|
{
|
|
MARS_DBG("destroy_test_instance()\n");
|
|
destroy_test_instance();
|
|
}
|
|
|
|
static int __init init_test(void)
|
|
{
|
|
MARS_DBG("make_test_instance()\n");
|
|
make_test_instance();
|
|
return 0;
|
|
}
|
|
|
|
MODULE_DESCRIPTION("MARS TEST");
|
|
MODULE_AUTHOR("Thomas Schoebel-Theuer <tst@1und1.de>");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
module_init(init_test);
|
|
module_exit(exit_test);
|