[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v3 15/17] xen/arm: Transitional change to build HAS_VPCI on ARM.
Hi Rahul, > On 28 Sep 2021, at 19:18, Rahul Singh <rahul.singh@xxxxxxx> wrote: > > This patch will be reverted once we add support for VPCI MSI/MSIX > support on ARM. > > Signed-off-by: Rahul Singh <rahul.singh@xxxxxxx> Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx> Cheers Bertrand > --- > Change in v3: none > Change in v2: Patch introduced in v2 > --- > xen/drivers/vpci/Makefile | 3 ++- > xen/drivers/vpci/header.c | 2 ++ > xen/include/asm-arm/pci.h | 8 ++++++++ > 3 files changed, 12 insertions(+), 1 deletion(-) > > diff --git a/xen/drivers/vpci/Makefile b/xen/drivers/vpci/Makefile > index 55d1bdfda0..1a1413b93e 100644 > --- a/xen/drivers/vpci/Makefile > +++ b/xen/drivers/vpci/Makefile > @@ -1 +1,2 @@ > -obj-y += vpci.o header.o msi.o msix.o > +obj-y += vpci.o header.o > +obj-$(CONFIG_HAS_PCI_MSI) += msi.o msix.o > diff --git a/xen/drivers/vpci/header.c b/xen/drivers/vpci/header.c > index ba9a036202..f8cd55e7c0 100644 > --- a/xen/drivers/vpci/header.c > +++ b/xen/drivers/vpci/header.c > @@ -96,8 +96,10 @@ static void modify_decoding(const struct pci_dev *pdev, > uint16_t cmd, > * FIXME: punching holes after the p2m has been set up might be racy for > * DomU usage, needs to be revisited. > */ > +#ifdef CONFIG_HAS_PCI_MSI > if ( map && !rom_only && vpci_make_msix_hole(pdev) ) > return; > +#endif > > for ( i = 0; i < ARRAY_SIZE(header->bars); i++ ) > { > diff --git a/xen/include/asm-arm/pci.h b/xen/include/asm-arm/pci.h > index 49c9622902..5532ce3977 100644 > --- a/xen/include/asm-arm/pci.h > +++ b/xen/include/asm-arm/pci.h > @@ -26,6 +26,14 @@ struct arch_pci_dev { > struct device dev; > }; > > +/* Arch-specific MSI data for vPCI. */ > +struct vpci_arch_msi { > +}; > + > +/* Arch-specific MSI-X entry data for vPCI. */ > +struct vpci_arch_msix_entry { > +}; > + > /* > * struct to hold the mappings of a config space window. This > * is expected to be used as sysdata for PCI controllers that > -- > 2.17.1 >
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