Commit 874a2013 authored by Thomas Gleixner's avatar Thomas Gleixner

x86/irq: Make most MSI ops XEN private

Nothing except XEN uses the setup/teardown ops. Hide them there.
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20200826112334.198633344@linutronix.de
parent 7ca435cf
...@@ -276,8 +276,6 @@ struct x86_platform_ops { ...@@ -276,8 +276,6 @@ struct x86_platform_ops {
struct pci_dev; struct pci_dev;
struct x86_msi_ops { 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); void (*restore_msi_irqs)(struct pci_dev *dev);
}; };
......
...@@ -157,6 +157,13 @@ static int acpi_register_gsi_xen(struct device *dev, u32 gsi, ...@@ -157,6 +157,13 @@ static int acpi_register_gsi_xen(struct device *dev, u32 gsi,
struct xen_pci_frontend_ops *xen_pci_frontend; struct xen_pci_frontend_ops *xen_pci_frontend;
EXPORT_SYMBOL_GPL(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) static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
{ {
int irq, ret, i; int irq, ret, i;
...@@ -415,7 +422,7 @@ static int xen_msi_domain_alloc_irqs(struct irq_domain *domain, ...@@ -415,7 +422,7 @@ static int xen_msi_domain_alloc_irqs(struct irq_domain *domain,
else else
type = PCI_CAP_ID_MSI; 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, static void xen_msi_domain_free_irqs(struct irq_domain *domain,
...@@ -424,7 +431,7 @@ static void xen_msi_domain_free_irqs(struct irq_domain *domain, ...@@ -424,7 +431,7 @@ static void xen_msi_domain_free_irqs(struct irq_domain *domain,
if (WARN_ON_ONCE(!dev_is_pci(dev))) if (WARN_ON_ONCE(!dev_is_pci(dev)))
return; 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 = { static struct msi_domain_ops xen_pci_msi_domain_ops = {
...@@ -463,16 +470,16 @@ static __init void xen_setup_pci_msi(void) ...@@ -463,16 +470,16 @@ static __init void xen_setup_pci_msi(void)
{ {
if (xen_pv_domain()) { if (xen_pv_domain()) {
if (xen_initial_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; x86_msi.restore_msi_irqs = xen_initdom_restore_msi_irqs;
} else { } 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; pci_msi_ignore_mask = 1;
} else if (xen_hvm_domain()) { } else if (xen_hvm_domain()) {
x86_msi.setup_msi_irqs = xen_hvm_setup_msi_irqs; xen_msi_ops.setup_msi_irqs = xen_hvm_setup_msi_irqs;
x86_msi.teardown_msi_irqs = xen_teardown_msi_irqs; xen_msi_ops.teardown_msi_irqs = xen_teardown_msi_irqs;
} else { } else {
WARN_ON_ONCE(1); WARN_ON_ONCE(1);
return; return;
......
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