From patchwork Wed Oct 22 15:12:00 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Blaschka X-Patchwork-Id: 402176 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 6C83E14001A for ; Thu, 23 Oct 2014 02:13:16 +1100 (AEDT) Received: from localhost ([::1]:58091 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xgxb7-00062c-PC for incoming@patchwork.ozlabs.org; Wed, 22 Oct 2014 11:13:13 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34957) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XgxaG-0004hs-BG for qemu-devel@nongnu.org; Wed, 22 Oct 2014 11:12:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Xgxa4-0004Tq-Bp for qemu-devel@nongnu.org; Wed, 22 Oct 2014 11:12:20 -0400 Received: from e06smtp17.uk.ibm.com ([195.75.94.113]:35765) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xgxa4-0004Td-3s for qemu-devel@nongnu.org; Wed, 22 Oct 2014 11:12:08 -0400 Received: from /spool/local by e06smtp17.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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To minimize impact on existing code we introduce an architecture function to fixup the routing entry. Signed-off-by: Frank Blaschka --- include/sysemu/kvm.h | 4 ++++ kvm-all.c | 2 ++ target-arm/kvm.c | 5 +++++ target-i386/kvm.c | 5 +++++ target-mips/kvm.c | 5 +++++ target-ppc/kvm.c | 5 +++++ target-s390x/kvm.c | 25 +++++++++++++++++++++++++ 7 files changed, 51 insertions(+) diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 77ee240..d4c89c3 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -148,6 +148,7 @@ extern bool kvm_readonly_mem_allowed; struct kvm_run; struct kvm_lapic_state; +struct kvm_irq_routing_entry; typedef struct KVMCapabilityInfo { const char *name; @@ -261,6 +262,9 @@ int kvm_arch_on_sigbus(int code, void *addr); void kvm_arch_init_irq_routing(KVMState *s); +void kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, + uint64_t address, uint32_t data); + int kvm_set_irq(KVMState *s, int irq, int level); int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg); diff --git a/kvm-all.c b/kvm-all.c index 682420b..965c888 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1198,6 +1198,7 @@ int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg) kroute.u.msi.address_lo = (uint32_t)msg.address; kroute.u.msi.address_hi = msg.address >> 32; kroute.u.msi.data = le32_to_cpu(msg.data); + kvm_arch_fixup_msi_route(&kroute, msg.address, msg.data); kvm_add_routing_entry(s, &kroute); kvm_irqchip_commit_routes(s); @@ -1223,6 +1224,7 @@ int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg) kroute.u.msi.address_lo = (uint32_t)msg.address; kroute.u.msi.address_hi = msg.address >> 32; kroute.u.msi.data = le32_to_cpu(msg.data); + kvm_arch_fixup_msi_route(&kroute, msg.address, msg.data); return kvm_update_routing_entry(s, &kroute); } diff --git a/target-arm/kvm.c b/target-arm/kvm.c index 319784d..5204c48 100644 --- a/target-arm/kvm.c +++ b/target-arm/kvm.c @@ -441,3 +441,8 @@ int kvm_arch_irqchip_create(KVMState *s) return 0; } + +void kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, + uint64_t address, uint32_t data) +{ +} diff --git a/target-i386/kvm.c b/target-i386/kvm.c index ddedc73..5e80ecd 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -2688,3 +2688,8 @@ int kvm_device_msix_deassign(KVMState *s, uint32_t dev_id) return kvm_deassign_irq_internal(s, dev_id, KVM_DEV_IRQ_GUEST_MSIX | KVM_DEV_IRQ_HOST_MSIX); } + +void kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, + uint64_t address, uint32_t data) +{ +} diff --git a/target-mips/kvm.c b/target-mips/kvm.c index 97fd51a..fe34eb2 100644 --- a/target-mips/kvm.c +++ b/target-mips/kvm.c @@ -688,3 +688,8 @@ int kvm_arch_get_registers(CPUState *cs) return ret; } + +void kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, + uint64_t address, uint32_t data) +{ +} diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index 9c23c6b..55627b9 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -2388,3 +2388,8 @@ out_close: error_out: return; } + +void kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, + uint64_t address, uint32_t data) +{ +} diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 9280132..c3b3b0f 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -43,6 +43,7 @@ #include "trace.h" #include "qapi-event.h" #include "pci_ic.h" +#include "hw/s390x/s390-pci-bus.h" /* #define DEBUG_KVM */ @@ -1639,3 +1640,27 @@ int kvm_s390_get_machine_props(S390MachineProps *prop) { return cpu_model_get(KVM_S390_VM_CPU_MACHINE, (uint64_t) prop); } + +void kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, + uint64_t address, uint32_t data) +{ + S390PCIBusDevice *pbdev; + uint32_t fid = data >> ZPCI_MSI_VEC_BITS; + uint32_t vec = data & ZPCI_MSI_VEC_MASK; + + pbdev = s390_pci_find_dev_by_fid(fid); + if (!pbdev) { + DPRINTF("add_msi_route no dev\n"); + return; + } + + pbdev->routes.adapter.ind_offset = vec; + + route->type = KVM_IRQ_ROUTING_S390_ADAPTER; + route->flags = 0; + route->u.adapter.summary_addr = pbdev->routes.adapter.summary_addr; + route->u.adapter.ind_addr = pbdev->routes.adapter.ind_addr; + route->u.adapter.summary_offset = pbdev->routes.adapter.summary_offset; + route->u.adapter.ind_offset = pbdev->routes.adapter.ind_offset; + route->u.adapter.adapter_id = pbdev->routes.adapter.adapter_id; +}