RickRongen/my-kern
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

feat: reformatted driver code and linkage. Some optimizations

Browse Source
This commit is contained in:
Rick Rongen
2021-03-06 19:57:47 +01:00
parent 645e18018d
commit 01efc5e98a
13 changed files with 110 additions and 130 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
kernel/fs/blockdev.h
View File

@@ -6,6 +6,7 @@
#define NEW_KERNEL_BLOCKDEV_H
#include <types.h>
#include <driver.h>
#define BLOCK_DEV_ACCESS_OK 0
#define BLOCK_DEV_ACCESS_ERR 1
@@ -31,15 +32,16 @@ typedef uint8_t (*block_device_driver_free)(const block_device *device);
typedef uint8_t (*block_device_access)(const block_device *device, uint8_t direction, uint32_t lba, uint8_t sectors, void *target);
typedef struct {
struct block_dev_driver {
char name[16];
struct {
uint8_t root_only: 1;
} flags;
block_device_driver_check_device check_device;
block_device_driver_free free_device;
} block_dev_driver;
} __attribute__((__aligned__(STRUCT_ALIGNMENT)));
#define BLOCK_DEV_DRIVER(data...) GENERIC_DRIVER(block_dev_driver, data)
typedef struct block_device {
struct {
@@ -53,13 +55,11 @@ typedef struct block_device {
uint32_t num_lba;
uint16_t block_size;
block_device_access access;
block_dev_driver *driver;
struct block_dev_driver *driver;
void *device_info; // pointer to driver defined structure
// todo device info
} block_device;
uint8_t block_dev_register_driver(block_dev_driver *driver);
uint8_t block_dev_register(block_device *device);
void block_dev_free(block_device *device);