search for: e3662723ed76

Displaying 5 results from an estimated 5 matches for "e3662723ed76".

2020 May 20
1
[PATCH v3 51/75] x86/sev-es: Handle MMIO events
...com> > [ jroedel at suse.de: Adapt to VC handling framework ] > Co-developed-by: Joerg Roedel <jroedel at suse.de> > Signed-off-by: Joerg Roedel <jroedel at suse.de> > --- ... > diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c > index f4ce3b475464..e3662723ed76 100644 > --- a/arch/x86/kernel/sev-es.c > +++ b/arch/x86/kernel/sev-es.c > @@ -294,6 +294,25 @@ static enum es_result vc_read_mem(struct es_em_ctxt *ctxt, > return ES_EXCEPTION; > } > > +static phys_addr_t vc_slow_virt_to_phys(struct ghcb *ghcb, unsigned long vaddr) > +...
2020 Apr 28
0
[PATCH v3 52/75] x86/sev-es: Handle MMIO String Instructions
..., as done by the memcpy_toio() and memcpy_fromio() functions. Signed-off-by: Joerg Roedel <jroedel at suse.de> --- arch/x86/kernel/sev-es.c | 78 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c index e3662723ed76..84958a82f8e0 100644 --- a/arch/x86/kernel/sev-es.c +++ b/arch/x86/kernel/sev-es.c @@ -552,6 +552,74 @@ static enum es_result vc_handle_mmio_twobyte_ops(struct ghcb *ghcb, return ret; } +/* + * The MOVS instruction has two memory operands, which raises the + * problem that it is not known whet...
2020 Apr 28
0
[PATCH v3 51/75] x86/sev-es: Handle MMIO events
...ents */ +#define SVM_VMGEXIT_MMIO_READ 0x80000001 +#define SVM_VMGEXIT_MMIO_WRITE 0x80000002 +#define SVM_VMGEXIT_UNSUPPORTED_EVENT 0x8000ffff + #define SVM_EXIT_ERR -1 #define SVM_EXIT_REASONS \ diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c index f4ce3b475464..e3662723ed76 100644 --- a/arch/x86/kernel/sev-es.c +++ b/arch/x86/kernel/sev-es.c @@ -294,6 +294,25 @@ static enum es_result vc_read_mem(struct es_em_ctxt *ctxt, return ES_EXCEPTION; } +static phys_addr_t vc_slow_virt_to_phys(struct ghcb *ghcb, unsigned long vaddr) +{ + unsigned long va = (unsigned long)va...
2020 Apr 28
116
[PATCH v3 00/75] x86: SEV-ES Guest Support
Hi, here is the next version of changes to enable Linux to run as an SEV-ES guest. The code was rebased to v5.7-rc3 and got a fair number of changes since the last version. What is SEV-ES ============== SEV-ES is an acronym for 'Secure Encrypted Virtualization - Encrypted State' and means a hardware feature of AMD processors which hides the register state of VCPUs to the hypervisor by
2020 Apr 28
116
[PATCH v3 00/75] x86: SEV-ES Guest Support
Hi, here is the next version of changes to enable Linux to run as an SEV-ES guest. The code was rebased to v5.7-rc3 and got a fair number of changes since the last version. What is SEV-ES ============== SEV-ES is an acronym for 'Secure Encrypted Virtualization - Encrypted State' and means a hardware feature of AMD processors which hides the register state of VCPUs to the hypervisor by