[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [patch V2 36/46] x86/irq: Make most MSI ops XEN private
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Nothing except XEN uses the setup/teardown ops. Hide them there. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- arch/x86/include/asm/x86_init.h | 2 -- arch/x86/pci/xen.c | 21 ++++++++++++++------- 2 files changed, 14 insertions(+), 9 deletions(-) --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -276,8 +276,6 @@ struct x86_platform_ops { struct pci_dev; struct x86_msi_ops { - int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); - void (*teardown_msi_irqs)(struct pci_dev *dev); void (*restore_msi_irqs)(struct pci_dev *dev); }; --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -157,6 +157,13 @@ static int acpi_register_gsi_xen(struct struct xen_pci_frontend_ops *xen_pci_frontend; EXPORT_SYMBOL_GPL(xen_pci_frontend); +struct xen_msi_ops { + int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); + void (*teardown_msi_irqs)(struct pci_dev *dev); +}; + +static struct xen_msi_ops xen_msi_ops __ro_after_init; + static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) { int irq, ret, i; @@ -415,7 +422,7 @@ static int xen_msi_domain_alloc_irqs(str else type = PCI_CAP_ID_MSI; - return x86_msi.setup_msi_irqs(to_pci_dev(dev), nvec, type); + return xen_msi_ops.setup_msi_irqs(to_pci_dev(dev), nvec, type); } static void xen_msi_domain_free_irqs(struct irq_domain *domain, @@ -424,7 +431,7 @@ static void xen_msi_domain_free_irqs(str if (WARN_ON_ONCE(!dev_is_pci(dev))) return; - x86_msi.teardown_msi_irqs(to_pci_dev(dev)); + xen_msi_ops.teardown_msi_irqs(to_pci_dev(dev)); } static struct msi_domain_ops xen_pci_msi_domain_ops = { @@ -463,16 +470,16 @@ static __init void xen_setup_pci_msi(voi { if (xen_pv_domain()) { if (xen_initial_domain()) { - x86_msi.setup_msi_irqs = xen_initdom_setup_msi_irqs; + xen_msi_ops.setup_msi_irqs = xen_initdom_setup_msi_irqs; x86_msi.restore_msi_irqs = xen_initdom_restore_msi_irqs; } else { - x86_msi.setup_msi_irqs = xen_setup_msi_irqs; + xen_msi_ops.setup_msi_irqs = xen_setup_msi_irqs; } - x86_msi.teardown_msi_irqs = xen_pv_teardown_msi_irqs; + xen_msi_ops.teardown_msi_irqs = xen_pv_teardown_msi_irqs; pci_msi_ignore_mask = 1; } else if (xen_hvm_domain()) { - x86_msi.setup_msi_irqs = xen_hvm_setup_msi_irqs; - x86_msi.teardown_msi_irqs = xen_teardown_msi_irqs; + xen_msi_ops.setup_msi_irqs = xen_hvm_setup_msi_irqs; + xen_msi_ops.teardown_msi_irqs = xen_teardown_msi_irqs; } else { WARN_ON_ONCE(1); return;
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