| Message ID | 20211207205743.150299-11-mjrosato@linux.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | KVM: s390: enable zPCI for interpretive execution | expand |
On Tue, 2021-12-07 at 15:57 -0500, Matthew Rosato wrote: > Store information about what IOAT designation types are supported by > underlying hardware as well as the largest store block size allowed. > These values will be needed by passthrough. > > Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> > --- > arch/s390/include/asm/pci.h | 2 ++ > arch/s390/include/asm/pci_clp.h | 6 ++++-- > arch/s390/pci/pci_clp.c | 2 ++ > 3 files changed, 8 insertions(+), 2 deletions(-) > > diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h > index 2474b8d30f2a..1a8f9f42da3a 100644 > --- a/arch/s390/include/asm/pci.h > +++ b/arch/s390/include/asm/pci.h > @@ -126,9 +126,11 @@ struct zpci_dev { > u32 gd; /* GISA designation for passthrough */ > u16 vfn; /* virtual function number */ > u16 pchid; /* physical channel ID */ > + u16 maxstbl; /* Maximum store block size */ > u8 pfgid; /* function group ID */ > u8 pft; /* pci function type */ > u8 port; > + u8 dtsm; /* Supported DT mask */ > u8 rid_available : 1; > u8 has_hp_slot : 1; > u8 has_resources : 1; > diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h > index 3af8d196da74..124fadfb74b9 100644 > --- a/arch/s390/include/asm/pci_clp.h > +++ b/arch/s390/include/asm/pci_clp.h > @@ -153,9 +153,11 @@ struct clp_rsp_query_pci_grp { > u8 : 6; > u8 frame : 1; > u8 refresh : 1; /* TLB refresh mode */ > - u16 reserved2; > + u16 : 3; > + u16 maxstbl : 13; /* Maximum store block size */ > u16 mui; > - u16 : 16; > + u8 dtsm; /* Supported DT mask */ > + u8 reserved3; > u16 maxfaal; > u16 : 4; > u16 dnoi : 12; > diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c > index e9ed0e4a5cf0..bc7446566cbc 100644 > --- a/arch/s390/pci/pci_clp.c > +++ b/arch/s390/pci/pci_clp.c > @@ -103,6 +103,8 @@ static void clp_store_query_pci_fngrp(struct zpci_dev *zdev, > zdev->max_msi = response->noi; > zdev->fmb_update = response->mui; > zdev->version = response->version; > + zdev->maxstbl = response->maxstbl; > + zdev->dtsm = response->dtsm; > > switch (response->version) { > case 1: Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>
On 12/7/21 21:57, Matthew Rosato wrote: > Store information about what IOAT designation types are supported by > underlying hardware as well as the largest store block size allowed. > These values will be needed by passthrough. > > Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> > --- > arch/s390/include/asm/pci.h | 2 ++ > arch/s390/include/asm/pci_clp.h | 6 ++++-- > arch/s390/pci/pci_clp.c | 2 ++ > 3 files changed, 8 insertions(+), 2 deletions(-) > > diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h > index 2474b8d30f2a..1a8f9f42da3a 100644 > --- a/arch/s390/include/asm/pci.h > +++ b/arch/s390/include/asm/pci.h > @@ -126,9 +126,11 @@ struct zpci_dev { > u32 gd; /* GISA designation for passthrough */ > u16 vfn; /* virtual function number */ > u16 pchid; /* physical channel ID */ > + u16 maxstbl; /* Maximum store block size */ > u8 pfgid; /* function group ID */ > u8 pft; /* pci function type */ > u8 port; > + u8 dtsm; /* Supported DT mask */ > u8 rid_available : 1; > u8 has_hp_slot : 1; > u8 has_resources : 1; > diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h > index 3af8d196da74..124fadfb74b9 100644 > --- a/arch/s390/include/asm/pci_clp.h > +++ b/arch/s390/include/asm/pci_clp.h > @@ -153,9 +153,11 @@ struct clp_rsp_query_pci_grp { > u8 : 6; > u8 frame : 1; > u8 refresh : 1; /* TLB refresh mode */ > - u16 reserved2; > + u16 : 3; > + u16 maxstbl : 13; /* Maximum store block size */ > u16 mui; > - u16 : 16; > + u8 dtsm; /* Supported DT mask */ > + u8 reserved3; > u16 maxfaal; > u16 : 4; > u16 dnoi : 12; > diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c > index e9ed0e4a5cf0..bc7446566cbc 100644 > --- a/arch/s390/pci/pci_clp.c > +++ b/arch/s390/pci/pci_clp.c > @@ -103,6 +103,8 @@ static void clp_store_query_pci_fngrp(struct zpci_dev *zdev, > zdev->max_msi = response->noi; > zdev->fmb_update = response->mui; > zdev->version = response->version; > + zdev->maxstbl = response->maxstbl; > + zdev->dtsm = response->dtsm; > > switch (response->version) { > case 1: > Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Am 07.12.21 um 21:57 schrieb Matthew Rosato: > Store information about what IOAT designation types are supported by > underlying hardware as well as the largest store block size allowed. > These values will be needed by passthrough. > > Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> > --- > arch/s390/include/asm/pci.h | 2 ++ > arch/s390/include/asm/pci_clp.h | 6 ++++-- > arch/s390/pci/pci_clp.c | 2 ++ > 3 files changed, 8 insertions(+), 2 deletions(-) > > diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h > index 2474b8d30f2a..1a8f9f42da3a 100644 > --- a/arch/s390/include/asm/pci.h > +++ b/arch/s390/include/asm/pci.h > @@ -126,9 +126,11 @@ struct zpci_dev { > u32 gd; /* GISA designation for passthrough */ > u16 vfn; /* virtual function number */ > u16 pchid; /* physical channel ID */ > + u16 maxstbl; /* Maximum store block size */ > u8 pfgid; /* function group ID */ > u8 pft; /* pci function type */ > u8 port; > + u8 dtsm; /* Supported DT mask */ > u8 rid_available : 1; > u8 has_hp_slot : 1; > u8 has_resources : 1; > diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h > index 3af8d196da74..124fadfb74b9 100644 > --- a/arch/s390/include/asm/pci_clp.h > +++ b/arch/s390/include/asm/pci_clp.h > @@ -153,9 +153,11 @@ struct clp_rsp_query_pci_grp { > u8 : 6; > u8 frame : 1; > u8 refresh : 1; /* TLB refresh mode */ > - u16 reserved2; > + u16 : 3; > + u16 maxstbl : 13; /* Maximum store block size */ > u16 mui; > - u16 : 16; > + u8 dtsm; /* Supported DT mask */ > + u8 reserved3; > u16 maxfaal; > u16 : 4; > u16 dnoi : 12; > diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c > index e9ed0e4a5cf0..bc7446566cbc 100644 > --- a/arch/s390/pci/pci_clp.c > +++ b/arch/s390/pci/pci_clp.c > @@ -103,6 +103,8 @@ static void clp_store_query_pci_fngrp(struct zpci_dev *zdev, > zdev->max_msi = response->noi; > zdev->fmb_update = response->mui; > zdev->version = response->version; > + zdev->maxstbl = response->maxstbl; > + zdev->dtsm = response->dtsm; > > switch (response->version) { > case 1: >
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index 2474b8d30f2a..1a8f9f42da3a 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -126,9 +126,11 @@ struct zpci_dev { u32 gd; /* GISA designation for passthrough */ u16 vfn; /* virtual function number */ u16 pchid; /* physical channel ID */ + u16 maxstbl; /* Maximum store block size */ u8 pfgid; /* function group ID */ u8 pft; /* pci function type */ u8 port; + u8 dtsm; /* Supported DT mask */ u8 rid_available : 1; u8 has_hp_slot : 1; u8 has_resources : 1; diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h index 3af8d196da74..124fadfb74b9 100644 --- a/arch/s390/include/asm/pci_clp.h +++ b/arch/s390/include/asm/pci_clp.h @@ -153,9 +153,11 @@ struct clp_rsp_query_pci_grp { u8 : 6; u8 frame : 1; u8 refresh : 1; /* TLB refresh mode */ - u16 reserved2; + u16 : 3; + u16 maxstbl : 13; /* Maximum store block size */ u16 mui; - u16 : 16; + u8 dtsm; /* Supported DT mask */ + u8 reserved3; u16 maxfaal; u16 : 4; u16 dnoi : 12; diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c index e9ed0e4a5cf0..bc7446566cbc 100644 --- a/arch/s390/pci/pci_clp.c +++ b/arch/s390/pci/pci_clp.c @@ -103,6 +103,8 @@ static void clp_store_query_pci_fngrp(struct zpci_dev *zdev, zdev->max_msi = response->noi; zdev->fmb_update = response->mui; zdev->version = response->version; + zdev->maxstbl = response->maxstbl; + zdev->dtsm = response->dtsm; switch (response->version) { case 1:
Store information about what IOAT designation types are supported by underlying hardware as well as the largest store block size allowed. These values will be needed by passthrough. Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> --- arch/s390/include/asm/pci.h | 2 ++ arch/s390/include/asm/pci_clp.h | 6 ++++-- arch/s390/pci/pci_clp.c | 2 ++ 3 files changed, 8 insertions(+), 2 deletions(-)