| Message ID | 20211123103956.2170-4-frankja@linux.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | s390x: sie: Add PV snippet support | expand |
On Tue, 23 Nov 2021 10:39:51 +0000 Janosch Frank <frankja@linux.ibm.com> wrote: > We need to save the handles for the VM and the VCPU so we can retrieve > them easily after their creation. Since the SIE lib is single guest multiple guest CPUs will be needed for testing some functions, but I guess that's something for me to do :) > cpu only we only save one vcpu handle. > > Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com> > --- > lib/s390x/sie.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/lib/s390x/sie.h b/lib/s390x/sie.h > index c6eb6441..1a12faa7 100644 > --- a/lib/s390x/sie.h > +++ b/lib/s390x/sie.h > @@ -200,6 +200,11 @@ union { > uint64_t gvrd; /* 0x01f8 */ > } __attribute__((packed)); > > +struct vm_uv { > + uint64_t vm_handle; > + uint64_t vcpu_handle; > +}; > + > struct vm_save_regs { > uint64_t grs[16]; > uint64_t fprs[16]; > @@ -220,6 +225,7 @@ struct vm { > struct vm_save_area save_area; > void *sca; /* System Control Area */ > uint8_t *crycb; /* Crypto Control Block */ > + struct vm_uv uv; /* PV UV information */ > /* Ptr to first guest page */ > uint8_t *guest_mem; > };
On 11/23/21 11:54, Claudio Imbrenda wrote: > On Tue, 23 Nov 2021 10:39:51 +0000 > Janosch Frank <frankja@linux.ibm.com> wrote: > >> We need to save the handles for the VM and the VCPU so we can retrieve >> them easily after their creation. Since the SIE lib is single guest > > multiple guest CPUs will be needed for testing some functions, but I > guess that's something for me to do :) I would be happy if someone picks this up. Just let me know if you do so I can plan accordingly. > >> cpu only we only save one vcpu handle. >> >> Signed-off-by: Janosch Frank <frankja@linux.ibm.com> > > Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com> Thanks! > >> --- >> lib/s390x/sie.h | 6 ++++++ >> 1 file changed, 6 insertions(+) >> >> diff --git a/lib/s390x/sie.h b/lib/s390x/sie.h >> index c6eb6441..1a12faa7 100644 >> --- a/lib/s390x/sie.h >> +++ b/lib/s390x/sie.h >> @@ -200,6 +200,11 @@ union { >> uint64_t gvrd; /* 0x01f8 */ >> } __attribute__((packed)); >> >> +struct vm_uv { >> + uint64_t vm_handle; >> + uint64_t vcpu_handle; >> +}; >> + >> struct vm_save_regs { >> uint64_t grs[16]; >> uint64_t fprs[16]; >> @@ -220,6 +225,7 @@ struct vm { >> struct vm_save_area save_area; >> void *sca; /* System Control Area */ >> uint8_t *crycb; /* Crypto Control Block */ >> + struct vm_uv uv; /* PV UV information */ >> /* Ptr to first guest page */ >> uint8_t *guest_mem; >> }; >
diff --git a/lib/s390x/sie.h b/lib/s390x/sie.h index c6eb6441..1a12faa7 100644 --- a/lib/s390x/sie.h +++ b/lib/s390x/sie.h @@ -200,6 +200,11 @@ union { uint64_t gvrd; /* 0x01f8 */ } __attribute__((packed)); +struct vm_uv { + uint64_t vm_handle; + uint64_t vcpu_handle; +}; + struct vm_save_regs { uint64_t grs[16]; uint64_t fprs[16]; @@ -220,6 +225,7 @@ struct vm { struct vm_save_area save_area; void *sca; /* System Control Area */ uint8_t *crycb; /* Crypto Control Block */ + struct vm_uv uv; /* PV UV information */ /* Ptr to first guest page */ uint8_t *guest_mem; };
We need to save the handles for the VM and the VCPU so we can retrieve them easily after their creation. Since the SIE lib is single guest cpu only we only save one vcpu handle. Signed-off-by: Janosch Frank <frankja@linux.ibm.com> --- lib/s390x/sie.h | 6 ++++++ 1 file changed, 6 insertions(+)