Message ID | 1430816036-26408-3-git-send-email-nikunj@linux.vnet.ibm.com |
---|---|
State | New |
Headers | show |
On Tue, 5 May 2015 14:23:52 +0530 Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> wrote: > The properties reg/assigned-resources need to encode 64-bit memory > address space as part of phys.hi dword. > > 00 if configuration space > 01 if IO region, > 10 if 32-bit MEM region > 11 if 64-bit MEM region > > Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> > --- > hw/ppc/spapr_pci.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c > index 4df3a33..ea1a092 100644 > --- a/hw/ppc/spapr_pci.c > +++ b/hw/ppc/spapr_pci.c > @@ -786,7 +786,13 @@ typedef struct ResourceProps { > * phys.hi = 0xYYXXXXZZ, where: > * 0xYY = npt000ss > * ||| | > - * ||| +-- space code: 1 if IO region, 2 if MEM region > + * ||| +-- space code > + * ||| | > + * ||| + 00 if configuration space > + * ||| + 01 if IO region, > + * ||| + 10 if 32-bit MEM region > + * ||| + 11 if 64-bit MEM region > + * ||| > * ||+------ for non-relocatable IO: 1 if aliased > * || for relocatable IO: 1 if below 64KB > * || for MEM: 1 if below 1MB > @@ -846,6 +852,8 @@ static void populate_resource_props(PCIDevice *d, ResourceProps *rp) > reg->phys_hi = cpu_to_be32(dev_id | b_rrrrrrrr(pci_bar(d, i))); > if (d->io_regions[i].type & PCI_BASE_ADDRESS_SPACE_IO) { > reg->phys_hi |= cpu_to_be32(b_ss(1)); > + } else if (d->io_regions[i].type & PCI_BASE_ADDRESS_MEM_TYPE_64) { > + reg->phys_hi |= cpu_to_be32(b_ss(3)); > } else { > reg->phys_hi |= cpu_to_be32(b_ss(2)); > } Reviewed-by: Thomas Huth <thuth@redhat.com> BTW, does this also require the new version of SLOF already?
Thomas Huth <thuth@redhat.com> writes: > On Tue, 5 May 2015 14:23:52 +0530 > Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> wrote: > >> The properties reg/assigned-resources need to encode 64-bit memory >> address space as part of phys.hi dword. >> >> 00 if configuration space >> 01 if IO region, >> 10 if 32-bit MEM region >> 11 if 64-bit MEM region >> >> Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> >> --- >> hw/ppc/spapr_pci.c | 10 +++++++++- >> 1 file changed, 9 insertions(+), 1 deletion(-) >> >> diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c >> index 4df3a33..ea1a092 100644 >> --- a/hw/ppc/spapr_pci.c >> +++ b/hw/ppc/spapr_pci.c >> @@ -786,7 +786,13 @@ typedef struct ResourceProps { >> * phys.hi = 0xYYXXXXZZ, where: >> * 0xYY = npt000ss >> * ||| | >> - * ||| +-- space code: 1 if IO region, 2 if MEM region >> + * ||| +-- space code >> + * ||| | >> + * ||| + 00 if configuration space >> + * ||| + 01 if IO region, >> + * ||| + 10 if 32-bit MEM region >> + * ||| + 11 if 64-bit MEM region >> + * ||| >> * ||+------ for non-relocatable IO: 1 if aliased >> * || for relocatable IO: 1 if below 64KB >> * || for MEM: 1 if below 1MB >> @@ -846,6 +852,8 @@ static void populate_resource_props(PCIDevice *d, ResourceProps *rp) >> reg->phys_hi = cpu_to_be32(dev_id | b_rrrrrrrr(pci_bar(d, i))); >> if (d->io_regions[i].type & PCI_BASE_ADDRESS_SPACE_IO) { >> reg->phys_hi |= cpu_to_be32(b_ss(1)); >> + } else if (d->io_regions[i].type & PCI_BASE_ADDRESS_MEM_TYPE_64) { >> + reg->phys_hi |= cpu_to_be32(b_ss(3)); >> } else { >> reg->phys_hi |= cpu_to_be32(b_ss(2)); >> } > > Reviewed-by: Thomas Huth <thuth@redhat.com> > > BTW, does this also require the new version of SLOF already? Not yet, only after patch 4/6 newer SLOF would be needed. This fixes the hotplug case for device requesting 64-bit bars, like nec-usb-xhci. Regards, Nikunj
On Wed, 06 May 2015 11:14:32 +0530 Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> wrote: > Thomas Huth <thuth@redhat.com> writes: [...] > > BTW, does this also require the new version of SLOF already? > > Not yet, only after patch 4/6 newer SLOF would be needed. Ok, ... but it will also still work with old SLOF version? If not, I think you should eventually also include a patch in this series to update the slof.bin of QEMU. Thomas
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 4df3a33..ea1a092 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -786,7 +786,13 @@ typedef struct ResourceProps { * phys.hi = 0xYYXXXXZZ, where: * 0xYY = npt000ss * ||| | - * ||| +-- space code: 1 if IO region, 2 if MEM region + * ||| +-- space code + * ||| | + * ||| + 00 if configuration space + * ||| + 01 if IO region, + * ||| + 10 if 32-bit MEM region + * ||| + 11 if 64-bit MEM region + * ||| * ||+------ for non-relocatable IO: 1 if aliased * || for relocatable IO: 1 if below 64KB * || for MEM: 1 if below 1MB @@ -846,6 +852,8 @@ static void populate_resource_props(PCIDevice *d, ResourceProps *rp) reg->phys_hi = cpu_to_be32(dev_id | b_rrrrrrrr(pci_bar(d, i))); if (d->io_regions[i].type & PCI_BASE_ADDRESS_SPACE_IO) { reg->phys_hi |= cpu_to_be32(b_ss(1)); + } else if (d->io_regions[i].type & PCI_BASE_ADDRESS_MEM_TYPE_64) { + reg->phys_hi |= cpu_to_be32(b_ss(3)); } else { reg->phys_hi |= cpu_to_be32(b_ss(2)); }
The properties reg/assigned-resources need to encode 64-bit memory address space as part of phys.hi dword. 00 if configuration space 01 if IO region, 10 if 32-bit MEM region 11 if 64-bit MEM region Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> --- hw/ppc/spapr_pci.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)