On 17.10.23 г. 13:14 ч., Kai Huang wrote: <snip>
arch/x86/Kconfig | 1 + arch/x86/include/asm/shared/tdx.h | 1 + arch/x86/virt/vmx/tdx/tdx.c | 215 +++++++++++++++++++++++++++++- arch/x86/virt/vmx/tdx/tdx.h | 1 + 4 files changed, 213 insertions(+), 5 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 864e43b008b1..ee4ac117aa3c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1946,6 +1946,7 @@ config INTEL_TDX_HOST depends on KVM_INTEL depends on X86_X2APIC select ARCH_KEEP_MEMBLOCK + depends on CONTIG_ALLOC help Intel Trust Domain Extensions (TDX) protects guest VMs from malicious host and certain physical attacks. This option enables necessary TDX diff --git a/arch/x86/include/asm/shared/tdx.h b/arch/x86/include/asm/shared/tdx.h index abcca86b5af3..cb59fe329b00 100644 --- a/arch/x86/include/asm/shared/tdx.h +++ b/arch/x86/include/asm/shared/tdx.h @@ -58,6 +58,7 @@ #define TDX_PS_4K 0 #define TDX_PS_2M 1 #define TDX_PS_1G 2 +#define TDX_PS_NR (TDX_PS_1G + 1)
nit: I'd prefer if you those defines are turned into an enum and subsequently this enum type can be used in the definition of tdmr_get_pamt_sz(). However, at this point I consider this a bikeshedding and you can do that iff you are going to respin the series due to other feedback as well.
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