From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Jin Subject: nr_irqs_gsi Date: Wed, 11 Jul 2012 11:31:58 +0800 Message-ID: <4FFCF3AE.1050200@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Konrad Rzeszutek Wilk Cc: Joe Jin , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org Hi, IHAC whose server have 12 NICs, but when bring up found the 12 NIC not be enabled, I found below from xm-dmesg (XEN) physdev.c:122: dom0: map invalid irq 55 The corresponding codes: 115 /* Verify or get irq. */ 116 switch ( map->type ) 117 { 118 case MAP_PIRQ_TYPE_GSI: 119 if ( map->index < 0 || map->index >= nr_irqs_gsi ) 120 { 121 dprintk(XENLOG_G_ERR, "dom%d: map invalid irq %d\n", 122 d->domain_id, map->index); 123 ret = -EINVAL; 124 goto free_domain; 125 } 126 Log all info to xm-dmesg I got: (XEN) ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) (XEN) IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 (XEN) ACPI: IOAPIC (id[0x01] address[0xfec80000] gsi_base[32]) (XEN) IOAPIC[1]: apic_id 1, version 32, address 0xfec80000, GSI 32-55 (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) (XEN) ACPI: IRQ0 used by override. (XEN) ACPI: IRQ2 used by override. (XEN) ACPI: IRQ9 used by override. (XEN) Enabling APIC mode: Phys. Using 2 I/O APICs (XEN) ACPI: HPET id: 0x8086a301 base: 0xfed00000 (XEN) PCI: MCFG configuration 0: base e0000000 segment 0 buses 0 - 255 (XEN) PCI: MCFG area at e0000000 reserved in E820 (XEN) ERST table is invalid (XEN) Using ACPI (MADT) for SMP configuration information (XEN) IRQ limits: 55 GSI, 3033 MSI/MSI-X (XEN) Using scheduler: SMP Credit Scheduler (credit) nr_irqs_gsi = 55, So the condition of #119 should be (map->index > nr_irqs_gsi)? for GSI irq 55 should be available as well? Thanks, Joe