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Create platform specific I/O module, prepare for io_uring

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This commit is contained in:
Ivan Baravy 2023-01-16 04:54:34 +00:00
parent f1b6893e4d
commit 783545bdf8
10 changed files with 118 additions and 10 deletions
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27
linux/io.c Normal file
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@ -0,0 +1,27 @@
/*
SPDX-License-Identifier: GPL-2.0-or-later
UMKa - User-Mode KolibriOS developer tools
io - input/output platform specific code
Copyright (C) 2023 Ivan Baravy <dunkaist@gmail.com>
*/
#include <unistd.h>
#include "io.h"
ssize_t
io_read(int fd, void *buf, size_t count, int change_task) {
(void)change_task;
ssize_t res;
res = read(fd, buf, count);
return res;
}
ssize_t
io_write(int fd, const void *buf, size_t count, int change_task) {
(void)change_task;
ssize_t res;
res = write(fd, buf, count);
return res;
}

21
linux/io.h Normal file
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@ -0,0 +1,21 @@
/*
SPDX-License-Identifier: GPL-2.0-or-later
UMKa - User-Mode KolibriOS developer tools
io - input/output platform specific code
Copyright (C) 2023 Ivan Baravy <dunkaist@gmail.com>
*/
#ifndef IO_H_INCLUDED
#define IO_H_INCLUDED
#include <unistd.h>
ssize_t
io_read(int fd, void *buf, size_t count, int change_task);
ssize_t
io_write(int fd, const void *buf, size_t count, int change_task);
#endif // IO_H_INCLUDED

11
makefile
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@ -57,16 +57,18 @@ test: umka_shell
umka_shell: umka_shell.o umka.o shell.o trace.o trace_lbr.o vdisk.o \
vdisk/raw.o vdisk/qcow2.o vdisk/miniz/miniz.a vnet.o lodepng.o \
$(HOST)/pci.o $(HOST)/thread.o util.o optparse.o bestline.o
$(HOST)/pci.o $(HOST)/thread.o $(HOST)/io.o util.o optparse.o \
bestline.o
$(CC) $(LDFLAGS_32) $^ -o $@ -T umka.ld
umka_fuse: umka_fuse.o umka.o trace.o trace_lbr.o vdisk.o vdisk/raw.o \
vdisk/qcow2.o vdisk/miniz/miniz.a $(HOST)/pci.o $(HOST)/thread.o
vdisk/qcow2.o vdisk/miniz/miniz.a $(HOST)/pci.o $(HOST)/thread.o \
$(HOST)/io.o
$(CC) $(LDFLAGS_32) $^ -o $@ `pkg-config fuse3 --libs` -T umka.ld
umka_os: umka_os.o umka.o shell.o lodepng.o vdisk.o vdisk/raw.o vdisk/qcow2.o \
vdisk/miniz/miniz.a vnet.o trace.o trace_lbr.o $(HOST)/pci.o \
$(HOST)/thread.o util.o bestline.o optparse.o
$(HOST)/thread.o $(HOST)/io.o util.o bestline.o optparse.o
$(CC) $(LDFLAGS_32) $^ -o $@ -T umka.ld
umka_gen_devices_dat: umka_gen_devices_dat.o umka.o $(HOST)/pci.o \
@ -79,6 +81,9 @@ umka.o umka.fas: umka.asm
shell.o: shell.c lodepng.h
$(CC) $(CFLAGS_32) -c $<
$(HOST)/io.o: $(HOST)/io.c $(HOST)/io.h
$(CC) $(CFLAGS_32) -c $< -o $@
$(HOST)/thread.o: $(HOST)/thread.c
$(CC) $(CFLAGS_32) -c $< -o $@

2
shell.c
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@ -618,7 +618,7 @@ cmd_disk_add(struct shell_ctx *ctx, int argc, char **argv) {
}
struct vdisk *umka_disk = vdisk_init(file_name, adjust_cache_size,
cache_size);
cache_size, umka_tool == UMKA_OS);
if (umka_disk) {
COVERAGE_ON();
disk_t *disk = disk_add(&umka_disk->diskfunc, disk_name, umka_disk, 0);

2
umka_fuse.c
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@ -151,7 +151,7 @@ main(int argc, char *argv[]) {
kos_boot.pitch = UMKA_DEFAULT_DISPLAY_WIDTH*4; // 32bpp
umka_init();
struct vdisk *umka_disk = vdisk_init(argv[2], 1, 0u);
struct vdisk *umka_disk = vdisk_init(argv[2], 1, 0u, 0);
disk_t *disk = disk_add(&umka_disk->diskfunc, "hd0", umka_disk, 0);
disk_media_changed(disk, 1);
return fuse_main(argc-1, argv, &umka_oper, NULL);

4
vdisk.c
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@ -41,7 +41,8 @@ vdisk_adjust_cache_size(void *userdata, size_t suggested_size) {
}
struct vdisk*
vdisk_init(const char *fname, int adjust_cache_size, size_t cache_size) {
vdisk_init(const char *fname, int adjust_cache_size, size_t cache_size,
int change_task) {
size_t fname_len = strlen(fname);
size_t dot_raw_len = strlen(RAW_SUFFIX);
size_t dot_qcow2_len = strlen(QCOW2_SUFFIX);
@ -62,5 +63,6 @@ vdisk_init(const char *fname, int adjust_cache_size, size_t cache_size) {
disk->diskfunc.adjust_cache_size = vdisk_adjust_cache_size;
disk->adjust_cache_size = adjust_cache_size;
disk->cache_size = cache_size;
disk->change_task = change_task;
return disk;
}

4
vdisk.h
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@ -19,9 +19,11 @@ struct vdisk {
uint64_t sect_cnt;
unsigned cache_size;
int adjust_cache_size;
int change_task;
};
struct vdisk*
vdisk_init(const char *fname, int adjust_cache_size, size_t cache_size);
vdisk_init(const char *fname, int adjust_cache_size, size_t cache_size,
int change_task);
#endif // VDISK_H_INCLUDED

7
vdisk/raw.c
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@ -12,6 +12,7 @@
#include <stdlib.h>
#include <unistd.h>
#include "../trace.h"
#include "io.h"
#include "raw.h"
struct vdisk_raw {
@ -34,7 +35,8 @@ vdisk_raw_read(void *userdata, void *buffer, off_t startsector,
COVERAGE_OFF();
struct vdisk_raw *disk = userdata;
lseek(disk->fd, startsector * disk->vdisk.sect_size, SEEK_SET);
read(disk->fd, buffer, *numsectors * disk->vdisk.sect_size);
io_read(disk->fd, buffer, *numsectors * disk->vdisk.sect_size,
disk->vdisk.change_task);
COVERAGE_ON();
return ERROR_SUCCESS;
}
@ -45,7 +47,8 @@ vdisk_raw_write(void *userdata, void *buffer, off_t startsector,
COVERAGE_OFF();
struct vdisk_raw *disk = userdata;
lseek(disk->fd, startsector * disk->vdisk.sect_size, SEEK_SET);
write(disk->fd, buffer, *numsectors * disk->vdisk.sect_size);
io_write(disk->fd, buffer, *numsectors * disk->vdisk.sect_size,
disk->vdisk.change_task);
COVERAGE_ON();
return ERROR_SUCCESS;
}

27
windows/io.c Normal file
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@ -0,0 +1,27 @@
/*
SPDX-License-Identifier: GPL-2.0-or-later
UMKa - User-Mode KolibriOS developer tools
io - input/output platform specific code
Copyright (C) 2023 Ivan Baravy <dunkaist@gmail.com>
*/
#include <unistd.h>
#include "io.h"
ssize_t
io_read(int fd, void *buf, size_t count, int change_task) {
(void)change_task;
ssize_t res;
res = read(fd, buf, count);
return res;
}
ssize_t
io_write(int fd, const void *buf, size_t count, int change_task) {
(void)change_task;
ssize_t res;
res = write(fd, buf, count);
return res;
}

21
windows/io.h Normal file
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@ -0,0 +1,21 @@
/*
SPDX-License-Identifier: GPL-2.0-or-later
UMKa - User-Mode KolibriOS developer tools
io - input/output platform specific code
Copyright (C) 2023 Ivan Baravy <dunkaist@gmail.com>
*/
#ifndef IO_H_INCLUDED
#define IO_H_INCLUDED
#include <unistd.h>
ssize_t
io_read(int fd, void *buf, size_t count, int change_task);
ssize_t
io_write(int fd, const void *buf, size_t count, int change_task);
#endif // IO_H_INCLUDED