From patchwork Wed Nov 23 12:02:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcel Apfelbaum X-Patchwork-Id: 9443057 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 73D0D60235 for ; Wed, 23 Nov 2016 12:03:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 56F8F25D97 for ; Wed, 23 Nov 2016 12:03:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4BBB325D9E; Wed, 23 Nov 2016 12:03:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id BFB7925D97 for ; Wed, 23 Nov 2016 12:03:36 +0000 (UTC) Received: from localhost ([::1]:33129 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c9WH1-00044A-Sc for patchwork-qemu-devel@patchwork.kernel.org; Wed, 23 Nov 2016 07:03:35 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49082) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c9WGX-00043G-De for qemu-devel@nongnu.org; Wed, 23 Nov 2016 07:03:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c9WGW-0000iB-BO for qemu-devel@nongnu.org; Wed, 23 Nov 2016 07:03:05 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45762) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1c9WGW-0000h6-35 for qemu-devel@nongnu.org; Wed, 23 Nov 2016 07:03:04 -0500 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 394DF80514 for ; Wed, 23 Nov 2016 12:03:03 +0000 (UTC) Received: from work.redhat.com (vpn-201-223.tlv.redhat.com [10.35.201.223]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id uANC2paB015281; Wed, 23 Nov 2016 07:03:00 -0500 From: Marcel Apfelbaum To: qemu-devel@nongnu.org Date: Wed, 23 Nov 2016 14:02:48 +0200 Message-Id: <1479902569-5548-3-git-send-email-marcel@redhat.com> In-Reply-To: <1479902569-5548-1-git-send-email-marcel@redhat.com> References: <1479902569-5548-1-git-send-email-marcel@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Wed, 23 Nov 2016 12:03:03 +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] [PATCH 2/3] hw/ioh3420: derive from PCI Express Root Port base class 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: marcel@redhat.com, drjones@redhat.com, abologna@redhat.com, laine@redhat.com, mst@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Preserve only Intel specific details. Signed-off-by: Marcel Apfelbaum --- hw/pci-bridge/ioh3420.c | 150 +++--------------------------------------------- 1 file changed, 7 insertions(+), 143 deletions(-) diff --git a/hw/pci-bridge/ioh3420.c b/hw/pci-bridge/ioh3420.c index c8b5ac4..431266c 100644 --- a/hw/pci-bridge/ioh3420.c +++ b/hw/pci-bridge/ioh3420.c @@ -38,140 +38,6 @@ #define IOH_EP_EXP_OFFSET 0x90 #define IOH_EP_AER_OFFSET 0x100 -/* - * If two MSI vector are allocated, Advanced Error Interrupt Message Number - * is 1. otherwise 0. - * 17.12.5.10 RPERRSTS, 32:27 bit Advanced Error Interrupt Message Number. - */ -static uint8_t ioh3420_aer_vector(const PCIDevice *d) -{ - switch (msi_nr_vectors_allocated(d)) { - case 1: - return 0; - case 2: - return 1; - case 4: - case 8: - case 16: - case 32: - default: - break; - } - abort(); - return 0; -} - -static void ioh3420_aer_vector_update(PCIDevice *d) -{ - pcie_aer_root_set_vector(d, ioh3420_aer_vector(d)); -} - -static void ioh3420_write_config(PCIDevice *d, - uint32_t address, uint32_t val, int len) -{ - uint32_t root_cmd = - pci_get_long(d->config + d->exp.aer_cap + PCI_ERR_ROOT_COMMAND); - - pci_bridge_write_config(d, address, val, len); - ioh3420_aer_vector_update(d); - pcie_cap_slot_write_config(d, address, val, len); - pcie_aer_write_config(d, address, val, len); - pcie_aer_root_write_config(d, address, val, len, root_cmd); -} - -static void ioh3420_reset(DeviceState *qdev) -{ - PCIDevice *d = PCI_DEVICE(qdev); - - ioh3420_aer_vector_update(d); - pcie_cap_root_reset(d); - pcie_cap_deverr_reset(d); - pcie_cap_slot_reset(d); - pcie_cap_arifwd_reset(d); - pcie_aer_root_reset(d); - pci_bridge_reset(qdev); - pci_bridge_disable_base_limit(d); -} - -static int ioh3420_initfn(PCIDevice *d) -{ - PCIEPort *p = PCIE_PORT(d); - PCIESlot *s = PCIE_SLOT(d); - int rc; - Error *err = NULL; - - pci_config_set_interrupt_pin(d->config, 1); - pci_bridge_initfn(d, TYPE_PCIE_BUS); - pcie_port_init_reg(d); - - rc = pci_bridge_ssvid_init(d, IOH_EP_SSVID_OFFSET, - IOH_EP_SSVID_SVID, IOH_EP_SSVID_SSID); - if (rc < 0) { - goto err_bridge; - } - - rc = msi_init(d, IOH_EP_MSI_OFFSET, IOH_EP_MSI_NR_VECTOR, - IOH_EP_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_64BIT, - IOH_EP_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_MASKBIT, &err); - if (rc < 0) { - assert(rc == -ENOTSUP); - error_report_err(err); - goto err_bridge; - } - - rc = pcie_cap_init(d, IOH_EP_EXP_OFFSET, PCI_EXP_TYPE_ROOT_PORT, p->port); - if (rc < 0) { - goto err_msi; - } - - pcie_cap_arifwd_init(d); - pcie_cap_deverr_init(d); - pcie_cap_slot_init(d, s->slot); - pcie_cap_root_init(d); - - pcie_chassis_create(s->chassis); - rc = pcie_chassis_add_slot(s); - if (rc < 0) { - goto err_pcie_cap; - } - - rc = pcie_aer_init(d, IOH_EP_AER_OFFSET, PCI_ERR_SIZEOF); - if (rc < 0) { - goto err; - } - pcie_aer_root_init(d); - ioh3420_aer_vector_update(d); - - return 0; - -err: - pcie_chassis_del_slot(s); -err_pcie_cap: - pcie_cap_exit(d); -err_msi: - msi_uninit(d); -err_bridge: - pci_bridge_exitfn(d); - return rc; -} - -static void ioh3420_exitfn(PCIDevice *d) -{ - PCIESlot *s = PCIE_SLOT(d); - - pcie_aer_exit(d); - pcie_chassis_del_slot(s); - pcie_cap_exit(d); - msi_uninit(d); - pci_bridge_exitfn(d); -} - -static Property ioh3420_props[] = { - DEFINE_PROP_BIT(COMPAT_PROP_PCP, PCIDevice, cap_present, - QEMU_PCIE_SLTCAP_PCP_BITNR, true), - DEFINE_PROP_END_OF_LIST() -}; - static const VMStateDescription vmstate_ioh3420 = { .name = "ioh-3240-express-root-port", .version_id = 1, @@ -189,25 +55,23 @@ static void ioh3420_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + PCIERootPortClass *rpc = PCIE_ROOT_PORT_CLASS(klass); - k->is_express = 1; - k->is_bridge = 1; - k->config_write = ioh3420_write_config; - k->init = ioh3420_initfn; - k->exit = ioh3420_exitfn; k->vendor_id = PCI_VENDOR_ID_INTEL; k->device_id = PCI_DEVICE_ID_IOH_EPORT; k->revision = PCI_DEVICE_ID_IOH_REV; - set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); dc->desc = "Intel IOH device id 3420 PCIE Root Port"; - dc->reset = ioh3420_reset; dc->vmsd = &vmstate_ioh3420; - dc->props = ioh3420_props; + rpc->msi_offset = IOH_EP_MSI_OFFSET; + rpc->exp_offset = IOH_EP_EXP_OFFSET; + rpc->aer_offset = IOH_EP_AER_OFFSET; + rpc->ssvid_offset = IOH_EP_SSVID_OFFSET; + rpc->ssid = IOH_EP_SSVID_SSID; } static const TypeInfo ioh3420_info = { .name = "ioh3420", - .parent = TYPE_PCIE_SLOT, + .parent = TYPE_PCIE_ROOT_PORT, .class_init = ioh3420_class_init, };