gsp-phys: read-only FWSEC dry-run mode; match the 6-byte BIT token decode

1 files changed, 12 insertions, 1 deletions

diff --git a/kernel/gsp_phys_vbios.h b/kernel/gsp_phys_vbios.h
index 5fc6e85..2d8e87f 100644
--- a/kernel/gsp_phys_vbios.h
+++ b/kernel/gsp_phys_vbios.h
@@ -29,11 +29,22 @@
 #define GSP_PHYS_FWSEC_APPID_DEBUG		0x45
 #define GSP_PHYS_FWSEC_APPID_PROD		0x85
 
+/*
+ * BIT token types: 6-byte tokens are "2b2w" (16-bit DataPtr at offset 4),
+ * 8-byte tokens are "2b1w1d" (32-bit DataPtr).
+ */
+#define GSP_PHYS_BIT_TOKEN_SIZE_6		6
+#define GSP_PHYS_BIT_TOKEN_SIZE_8		8
+
 struct gsp_phys_vbios {
 	u8 *data;			/* copied VBIOS image (host memory) */
 	size_t size;			/* usable image size in bytes */
 	u32 pci_offset;			/* image start offset of the base ROM */
 	u32 expansion_rom_offset;	/* expansion ROM base, from image start */
+	u32 ifr_version;		/* image-format-record version, 0 if none */
+	u32 bit_addr;			/* BIT header offset, set by the parser */
+	u32 bit_token_size;		/* BIT token type/stride (6 or 8 bytes) */
+	u32 bit_token_entries;		/* BIT tokens walked by the parser */
 	u64 version;			/* (binary version << 8) | OEM, 0 if absent */
 };
 
@@ -64,7 +75,7 @@ int gsp_phys_vbios_read(struct gsp_phys_vbios *img, struct pci_dev *pdev,
 			void __iomem *bar0);
 void gsp_phys_vbios_free(struct gsp_phys_vbios *img);
 
-int gsp_phys_vbios_parse_fwsec(const struct gsp_phys_vbios *img,
+int gsp_phys_vbios_parse_fwsec(struct gsp_phys_vbios *img,
 			       bool use_debug_app,
 			       struct gsp_phys_fwsec_desc *desc);