Re: [PATCH v12 29/46] x86/boot: Add Confidential Computing type to setup_data

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On 4/6/22 16:19, Thomas Gleixner wrote:
On Mon, Mar 07 2022 at 15:33, Brijesh Singh wrote:
+/*
+ * AMD SEV Confidential computing blob structure. The structure is
+ * defined in OVMF UEFI firmware header:
+ * https://github.com/tianocore/edk2/blob/master/OvmfPkg/Include/Guid/ConfidentialComputingSevSnpBlob.h
+ */
+#define CC_BLOB_SEV_HDR_MAGIC	0x45444d41
+struct cc_blob_sev_info {
+	u32 magic;
+	u16 version;
+	u16 reserved;
+	u64 secrets_phys;
+	u32 secrets_len;
+	u32 rsvd1;
+	u64 cpuid_phys;
+	u32 cpuid_len;
+	u32 rsvd2;
+};

Shouldn't this be packed?


Yep, to avoid any additional compiler alignment we should pack it.

thanks




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