On Tue, Apr 06, 2021, Dave Hansen wrote:
> On 4/6/21 9:31 AM, Kirill A. Shutemov wrote:
> > On Thu, Apr 01, 2021 at 02:01:15PM -0700, Dave Hansen wrote:
> >>> @@ -1999,7 +2006,8 @@ static int __set_memory_enc_dec(unsigned long addr,
> >>> int numpages, bool enc)
> >>> /*
> >>>* Before changi
On 4/6/21 9:31 AM, Kirill A. Shutemov wrote:
> On Thu, Apr 01, 2021 at 02:01:15PM -0700, Dave Hansen wrote:
>>> @@ -1977,8 +1978,8 @@ static int __set_memory_enc_dec(unsigned long addr,
>>> int numpages, bool enc)
>>> struct cpa_data cpa;
>>> int ret;
>>>
>>> - /* Nothing to do if memo
On Thu, Apr 01, 2021 at 02:01:15PM -0700, Dave Hansen wrote:
> > +int tdx_map_gpa(phys_addr_t gpa, int numpages, bool private)
> > +{
> > + int ret, i;
> > +
> > + ret = __tdx_map_gpa(gpa, numpages, private);
> > + if (ret || !private)
> > + return ret;
> > +
> > + for (i = 0; i <
> +int tdx_map_gpa(phys_addr_t gpa, int numpages, bool private)
> +{
> + int ret, i;
> +
> + ret = __tdx_map_gpa(gpa, numpages, private);
> + if (ret || !private)
> + return ret;
> +
> + for (i = 0; i < numpages; i++)
> + tdx_accept_page(gpa + i*PAGE_SIZE);
>
From: "Kirill A. Shutemov"
Make force_dma_unencrypted() return true for TDX to get DMA pages mapped
as shared.
__set_memory_enc_dec() is now aware about TDX and sets Shared bit
accordingly following with relevant TDVMCALL.
Also, Do TDACCEPTPAGE on every 4k page after mapping the GPA range when
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