Function report |
Source Code:block\partitions\efi.c |
Create Date:2022-07-28 17:31:23 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:ad_lba(): Read bytes from disk, starting at given LBA*@state: disk parsed partitions*@lba: the Logical Block Address of the partition table*@buffer: destination buffer*@count: bytes to read* Description: Reads @count bytes from @state->bdev into @buffer.
Proto:static size_t read_lba(struct parsed_partitions *state, u64 lba, u8 *buffer, size_t count)
Type:size_t
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct parsed_partitions * | state | |
| u64 | lba | |
| u8 * | buffer | |
| size_t | count |
| 240 | totalreadcount = 0 |
| 242 | n = lba * bdev_logical_block_size(bdev) / 512 |
| 248 | copied = 512 |
| 250 | data = read_part_sector(state, n++, & sect) |
| 251 | If Not data Then Break |
| 256 | put_dev_sector(sect) |
| 258 | totalreadcount += copied |
| 261 | Return totalreadcount |
| Name | Describe |
|---|---|
| alloc_read_gpt_entries | alloc_read_gpt_entries(): reads partition entries from disk*@state: disk parsed partitions*@gpt: GPT header* Description: Returns ptes on success, NULL on error |
| alloc_read_gpt_header | alloc_read_gpt_header(): Allocates GPT header, reads into it from disk*@state: disk parsed partitions*@lba: the Logical Block Address of the partition table* Description: returns GPT header on success, NULL on error. Allocates |
| find_valid_gpt | d_valid_gpt() - Search disk for valid GPT headers and PTEs*@state: disk parsed partitions*@gpt: GPT header ptr, filled on return.*@ptes: PTEs ptr, filled on return.* Description: Returns 1 if valid, 0 on error. |
| alloc_pvd | alloc_pvd(): reads physical volume descriptor*@state*@lba* Description: Returns pvd on success, NULL on error.* Allocates space for pvd and fill it with disk blocks at @lba* Notes: remember to free pvd when you're done! |
| alloc_lvn | alloc_lvn(): reads logical volume names*@state*@lba* Description: Returns lvn on success, NULL on error.* Allocates space for lvn and fill it with disk blocks at @lba* Notes: remember to free lvn when you're done! |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |