Commit-ID: 7fa48d748b0871b91263b57a0ca119a7e972d29a Gitweb: http://git.kernel.org/tip/7fa48d748b0871b91263b57a0ca119a7e972d29a Author: Jiang Liu <jiang....@linux.intel.com> AuthorDate: Tue, 25 Nov 2014 13:53:33 +0800 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Wed, 26 Nov 2014 18:59:26 +0100
x86, PCI/MSI: Simplify the way to deal with remapped MSI interrupts Simplify the way to deal with remapped MSI interrupts, so we could kill irq_chip.irq_print_chip later. Signed-off-by: Jiang Liu <jiang....@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> Cc: Tony Luck <tony.l...@intel.com> Cc: Joerg Roedel <j...@8bytes.org> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> Cc: Bjorn Helgaas <bhelg...@google.com> Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org> Cc: Rafael J. Wysocki <r...@rjwysocki.net> Cc: Randy Dunlap <rdun...@infradead.org> Cc: Yinghai Lu <ying...@kernel.org> Cc: Borislav Petkov <b...@alien8.de> Link: http://lkml.kernel.org/r/1416894816-23245-25-git-send-email-jiang....@linux.intel.com Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- arch/x86/kernel/apic/msi.c | 28 ++++++++++++++++++++++++---- 1 file changed, 24 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/apic/msi.c b/arch/x86/kernel/apic/msi.c index 2bf1348..8e8f243 100644 --- a/arch/x86/kernel/apic/msi.c +++ b/arch/x86/kernel/apic/msi.c @@ -77,7 +77,6 @@ static struct irq_chip pci_msi_controller = { .irq_ack = irq_chip_ack_parent, .irq_set_affinity = msi_domain_set_affinity, .irq_retrigger = irq_chip_retrigger_hierarchy, - .irq_print_chip = irq_remapping_print_chip, .irq_compose_msi_msg = irq_msi_compose_msg, .irq_write_msi_msg = pci_msi_domain_write_msg, .flags = IRQCHIP_SKIP_SET_WAKE, @@ -143,7 +142,7 @@ static struct msi_domain_ops pci_msi_domain_ops = { static struct msi_domain_info pci_msi_domain_info = { .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | - MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX, + MSI_FLAG_PCI_MSIX, .ops = &pci_msi_domain_ops, .chip = &pci_msi_controller, .handler = handle_edge_irq, @@ -162,9 +161,29 @@ void arch_init_msi_domain(struct irq_domain *parent) } #ifdef CONFIG_IRQ_REMAP +static struct irq_chip pci_msi_ir_controller = { + .name = "IR-PCI-MSI", + .irq_unmask = pci_msi_unmask_irq, + .irq_mask = pci_msi_mask_irq, + .irq_ack = irq_chip_ack_parent, + .irq_set_affinity = msi_domain_set_affinity, + .irq_retrigger = irq_chip_retrigger_hierarchy, + .irq_write_msi_msg = pci_msi_domain_write_msg, + .flags = IRQCHIP_SKIP_SET_WAKE, +}; + +static struct msi_domain_info pci_msi_ir_domain_info = { + .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS | + MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX, + .ops = &pci_msi_domain_ops, + .chip = &pci_msi_ir_controller, + .handler = handle_edge_irq, + .handler_name = "edge", +}; + struct irq_domain *arch_create_msi_irq_domain(struct irq_domain *parent) { - return msi_create_irq_domain(NULL, &pci_msi_domain_info, parent); + return pci_msi_create_irq_domain(NULL, &pci_msi_ir_domain_info, parent); } #endif @@ -325,7 +344,6 @@ static struct irq_chip hpet_msi_controller = { .irq_ack = irq_chip_ack_parent, .irq_set_affinity = hpet_msi_set_affinity, .irq_retrigger = irq_chip_retrigger_hierarchy, - .irq_print_chip = irq_remapping_print_chip, .irq_compose_msi_msg = irq_msi_compose_msg, .flags = IRQCHIP_SKIP_SET_WAKE, }; @@ -402,6 +420,8 @@ struct irq_domain *hpet_create_irq_domain(int hpet_id) parent = irq_remapping_get_ir_irq_domain(&info); if (parent == NULL) parent = x86_vector_domain; + else + hpet_msi_controller.name = "IR-HPET-MSI"; return irq_domain_add_hierarchy(parent, 0, 0, NULL, &hpet_domain_ops, (void *)(long)hpet_id); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
