github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-31 10:33:41 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

x86/microcode/intel: Define staging state struct

Browse Source 
Define a staging_state struct to simplify function prototypes by consolidating
relevant data, instead of passing multiple local variables.

Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Tested-by: Anselm Busse <abusse@amazon.de>
Link: https://lore.kernel.org/20250320234104.8288-1-chang.seok.bae@intel.com
This commit is contained in:
Chang S. Bae 2025-09-21 15:48:38 -07:00 committed by Borislav Petkov (AMD)
parent 740144bc6b
commit 079b90d4ba
1 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/x86/kernel/cpu/microcode/intel.c
View File

@ -54,6 +54,23 @@ struct extended_sigtable {
struct extended_signature sigs[];
};
/**
* struct staging_state - Track the current staging process state
*
* @mmio_base: MMIO base address for staging
* @ucode_len: Total size of the microcode image
* @chunk_size: Size of each data piece
* @bytes_sent: Total bytes transmitted so far
* @offset: Current offset in the microcode image
*/
struct staging_state {
void __iomem *mmio_base;
unsigned int ucode_len;
unsigned int chunk_size;
unsigned int bytes_sent;
unsigned int offset;
};
#define DEFAULT_UCODE_TOTALSIZE (DEFAULT_UCODE_DATASIZE + MC_HEADER_SIZE)
#define EXT_HEADER_SIZE (sizeof(struct extended_sigtable))
#define EXT_SIGNATURE_SIZE (sizeof(struct extended_signature))