From nobody Tue Nov 4 10:49:33 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 150583985375537.51762769056131; Tue, 19 Sep 2017 09:50:53 -0700 (PDT) Received: from localhost ([::1]:44112 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1duLjY-0002x0-SH for importer@patchew.org; Tue, 19 Sep 2017 12:50:52 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38378) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1duLcv-0005b9-P5 for qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:44:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1duLcu-0002P0-J4 for qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:44:01 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40682) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1duLcu-0002OS-BG for qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:44:00 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 41915C047B9A; Tue, 19 Sep 2017 16:43:59 +0000 (UTC) Received: from localhost (unknown [10.36.117.0]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4B7796061E; Tue, 19 Sep 2017 16:43:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 41915C047B9A Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=cohuck@redhat.com From: Cornelia Huck To: peter.maydell@linaro.org Date: Tue, 19 Sep 2017 18:43:02 +0200 Message-Id: <20170919164337.18555-4-cohuck@redhat.com> In-Reply-To: <20170919164337.18555-1-cohuck@redhat.com> References: <20170919164337.18555-1-cohuck@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 19 Sep 2017 16:43:59 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL v2 03/38] s390x/pci: remove idx from msix msg data X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: thuth@redhat.com, Yi Min Zhao , david@redhat.com, Cornelia Huck , agraf@suse.de, qemu-devel@nongnu.org, borntraeger@de.ibm.com, rth@twiddle.net Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Yi Min Zhao PCIDevice pointer has been a parameter of kvm_arch_fixup_msi_route(). So we don't need to store zpci idx in msix message data to find out the specific zpci device. Instead, we could use pci device id to find its corresponding zpci device. Signed-off-by: Yi Min Zhao Message-Id: <1504606380-49341-2-git-send-email-zyimin@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck --- hw/s390x/s390-pci-bus.c | 16 +++++----------- hw/s390x/s390-pci-bus.h | 2 ++ hw/s390x/s390-pci-inst.c | 24 ------------------------ hw/s390x/s390-pci-stub.c | 3 ++- target/s390x/kvm.c | 10 +++++++--- 5 files changed, 16 insertions(+), 39 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 0a31a4ae88..bd8a3e1e1c 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -199,8 +199,8 @@ static S390PCIBusDevice *s390_pci_find_dev_by_uid(S390p= ciState *s, uint16_t uid) return NULL; } =20 -static S390PCIBusDevice *s390_pci_find_dev_by_target(S390pciState *s, - const char *target) +S390PCIBusDevice *s390_pci_find_dev_by_target(S390pciState *s, + const char *target) { S390PCIBusDevice *pbdev; =20 @@ -465,19 +465,13 @@ static void s390_msi_ctrl_write(void *opaque, hwaddr = addr, uint64_t data, unsigned int size) { S390PCIBusDevice *pbdev =3D opaque; - uint32_t idx =3D data >> ZPCI_MSI_VEC_BITS; uint32_t vec =3D data & ZPCI_MSI_VEC_MASK; uint64_t ind_bit; uint32_t sum_bit; - uint32_t e =3D 0; =20 - DPRINTF("write_msix data 0x%" PRIx64 " idx %d vec 0x%x\n", data, idx, = vec); - - if (!pbdev) { - e |=3D (vec << ERR_EVENT_MVN_OFFSET); - s390_pci_generate_error_event(ERR_EVENT_NOMSI, idx, 0, addr, e); - return; - } + assert(pbdev); + DPRINTF("write_msix data 0x%" PRIx64 " idx %d vec 0x%x\n", data, + pbdev->idx, vec); =20 if (pbdev->state !=3D ZPCI_FS_ENABLED) { return; diff --git a/hw/s390x/s390-pci-bus.h b/hw/s390x/s390-pci-bus.h index bd636abc28..560bd82a0f 100644 --- a/hw/s390x/s390-pci-bus.h +++ b/hw/s390x/s390-pci-bus.h @@ -322,6 +322,8 @@ void s390_pci_generate_error_event(uint16_t pec, uint32= _t fh, uint32_t fid, S390PCIBusDevice *s390_pci_find_dev_by_idx(S390pciState *s, uint32_t idx); S390PCIBusDevice *s390_pci_find_dev_by_fh(S390pciState *s, uint32_t fh); S390PCIBusDevice *s390_pci_find_dev_by_fid(S390pciState *s, uint32_t fid); +S390PCIBusDevice *s390_pci_find_dev_by_target(S390pciState *s, + const char *target); S390PCIBusDevice *s390_pci_find_next_avail_dev(S390pciState *s, S390PCIBusDevice *pbdev); =20 diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index eba9ffb5f2..8e088f3dc9 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -413,29 +413,6 @@ int pcilg_service_call(S390CPU *cpu, uint8_t r1, uint8= _t r2) return 0; } =20 -static void update_msix_table_msg_data(S390PCIBusDevice *pbdev, uint64_t o= ffset, - uint64_t *data, uint8_t len) -{ - uint32_t val; - uint8_t *msg_data; - - if (offset % PCI_MSIX_ENTRY_SIZE !=3D 8) { - return; - } - - if (len !=3D 4) { - DPRINTF("access msix table msg data but len is %d\n", len); - return; - } - - msg_data =3D (uint8_t *)data - offset % PCI_MSIX_ENTRY_SIZE + - PCI_MSIX_ENTRY_VECTOR_CTRL; - val =3D pci_get_long(msg_data) | - ((pbdev->fh & FH_MASK_INDEX) << ZPCI_MSI_VEC_BITS); - pci_set_long(msg_data, val); - DPRINTF("update msix msg_data to 0x%" PRIx64 "\n", *data); -} - static int trap_msix(S390PCIBusDevice *pbdev, uint64_t offset, uint8_t pci= as) { if (pbdev->msix.available && pbdev->msix.table_bar =3D=3D pcias && @@ -508,7 +485,6 @@ int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8= _t r2) if (trap_msix(pbdev, offset, pcias)) { offset =3D offset - pbdev->msix.table_offset; mr =3D &pbdev->pdev->msix_table_mmio; - update_msix_table_msg_data(pbdev, offset, &data, len); } else { mr =3D pbdev->pdev->io_regions[pcias].memory; } diff --git a/hw/s390x/s390-pci-stub.c b/hw/s390x/s390-pci-stub.c index 7a642d376c..ad4c5a7719 100644 --- a/hw/s390x/s390-pci-stub.c +++ b/hw/s390x/s390-pci-stub.c @@ -70,7 +70,8 @@ S390pciState *s390_get_phb(void) return NULL; } =20 -S390PCIBusDevice *s390_pci_find_dev_by_idx(S390pciState *s, uint32_t idx) +S390PCIBusDevice *s390_pci_find_dev_by_target(S390pciState *s, + const char *target) { return NULL; } diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c index ad7ce9fc70..1130a391d4 100644 --- a/target/s390x/kvm.c +++ b/target/s390x/kvm.c @@ -2423,12 +2423,16 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing= _entry *route, uint64_t address, uint32_t data, PCIDevice *d= ev) { S390PCIBusDevice *pbdev; - uint32_t idx =3D data >> ZPCI_MSI_VEC_BITS; uint32_t vec =3D data & ZPCI_MSI_VEC_MASK; =20 - pbdev =3D s390_pci_find_dev_by_idx(s390_get_phb(), idx); + if (!dev) { + DPRINTF("add_msi_route no pci device\n"); + return -ENODEV; + } + + pbdev =3D s390_pci_find_dev_by_target(s390_get_phb(), DEVICE(dev)->id); if (!pbdev) { - DPRINTF("add_msi_route no dev\n"); + DPRINTF("add_msi_route no zpci device\n"); return -ENODEV; } =20 --=20 2.13.5