diff options
| author | Chang S. Bae <chang.seok.bae@intel.com> | 2025-09-21 15:48:38 -0700 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2025-10-15 16:47:31 +0200 |
| commit | 079b90d4ba8dfa9603ecf400556894224021452d (patch) | |
| tree | e17e729bbeed82d5609ea6d7755f81b2e10cc67f | |
| parent | 740144bc6bde9d44e3a6c224cee6fe971a08fbca (diff) | |
x86/microcode/intel: Define staging state struct
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
| -rw-r--r-- | arch/x86/kernel/cpu/microcode/intel.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 216595a45564..d49a4e6ea477 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -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)) |