From patchwork Thu Jun 6 09:01:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Roger_Pau_Monn=C3=A9?= X-Patchwork-Id: 10978867 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3DA1914C0 for ; Thu, 6 Jun 2019 09:04:21 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2E6B828823 for ; Thu, 6 Jun 2019 09:04:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 22D1E28842; Thu, 6 Jun 2019 09:04:21 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DE14E2237D for ; Thu, 6 Jun 2019 09:04:19 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hYoII-0006nA-DY; Thu, 06 Jun 2019 09:02:46 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hYoIH-0006md-MG for xen-devel@lists.xenproject.org; Thu, 06 Jun 2019 09:02:45 +0000 X-Inumbo-ID: d85ed8f9-8839-11e9-8980-bc764e045a96 Received: from esa3.hc3370-68.iphmx.com (unknown [216.71.145.155]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id d85ed8f9-8839-11e9-8980-bc764e045a96; Thu, 06 Jun 2019 09:02:43 +0000 (UTC) Authentication-Results: esa3.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=roger.pau@citrix.com; spf=SoftFail smtp.mailfrom=roger.pau@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa3.hc3370-68.iphmx.com: no sender authenticity information available from domain of roger.pau@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa3.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="roger.pau@citrix.com"; x-conformance=sidf_compatible Received-SPF: SoftFail (esa3.hc3370-68.iphmx.com: domain of roger.pau@citrix.com is inclined to not designate 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa3.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="roger.pau@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 include:spf.citrix.com include:spf2.citrix.com include:ironport.citrix.com exists:%{i}._spf.mta.salesforce.com ~all" Received-SPF: None (esa3.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa3.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: DggiMw4kjHov9XOWA/qyw7N95spqP/P4/fjKJDBHEqQrcZTWwduV37CFKGO1DqpU/8xKtuqnrW Q0CxR5JzVUpl9nqmWSCg6xkEqQKI15caBeuc0ky0/v8GAiwJqZgWHLibtkPmOPn6d4+YiLdiEW qsKZ9vqNvWQ4fyyJoKCB2RIUTl8puOvnqloCeX/Af7BLdNNTUO0axsmmhJpTyMpywF+GHnpDRS C/dMiQPCQLnx9N4OhNWmY6ZdXezJNkYr7xFXnSStrtqesDrgWaP53lS2xZkk2XPKyYVu44ZVLL MQw= X-SBRS: -0.9 X-MesageID: 1392603 X-Ironport-Server: esa3.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.63,558,1557201600"; d="scan'208";a="1392603" From: Roger Pau Monne To: Date: Thu, 6 Jun 2019 11:01:43 +0200 Message-ID: <20190606090146.77381-10-roger.pau@citrix.com> X-Mailer: git-send-email 2.20.1 (Apple Git-117) In-Reply-To: <20190606090146.77381-1-roger.pau@citrix.com> References: <20190606090146.77381-1-roger.pau@citrix.com> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v2 09/12] pci: switch pci_conf_write8 to use pci_sbdf_t X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Julien Grall , Jan Beulich , Roger Pau Monne Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP This reduces the number of parameters of the function to two, and simplifies some of the calling sites. Signed-off-by: Roger Pau Monné --- Cc: Jan Beulich Cc: Andrew Cooper Cc: Wei Liu Cc: "Roger Pau Monné" Cc: George Dunlap Cc: Ian Jackson Cc: Julien Grall Cc: Konrad Rzeszutek Wilk Cc: Stefano Stabellini Cc: Tim Deegan --- xen/arch/x86/cpu/amd.c | 2 +- xen/arch/x86/x86_64/pci.c | 21 ++++++++------------- xen/drivers/acpi/reboot.c | 6 +++--- xen/drivers/char/ehci-dbgp.c | 8 +++++--- xen/drivers/vpci/vpci.c | 8 +++----- xen/include/xen/pci.h | 4 +--- 6 files changed, 21 insertions(+), 28 deletions(-) diff --git a/xen/arch/x86/cpu/amd.c b/xen/arch/x86/cpu/amd.c index c461a3f3c9..e0530e7265 100644 --- a/xen/arch/x86/cpu/amd.c +++ b/xen/arch/x86/cpu/amd.c @@ -426,7 +426,7 @@ static void disable_c1_ramping(void) if (pmm7 == 0xFF) break; pmm7 &= 0xFC; /* clear pmm7[1:0] */ - pci_conf_write8(0, 0, 0x18 + node, 0x3, 0x87, pmm7); + pci_conf_write8(PCI_SBDF(0, 0, 0x18 + node, 3), 0x87, pmm7); printk ("AMD: Disabling C1 Clock Ramping Node #%x\n", node); } } diff --git a/xen/arch/x86/x86_64/pci.c b/xen/arch/x86/x86_64/pci.c index b8b82a6fe7..eaa67b04f2 100644 --- a/xen/arch/x86/x86_64/pci.c +++ b/xen/arch/x86/x86_64/pci.c @@ -50,23 +50,18 @@ uint32_t pci_conf_read32(pci_sbdf_t sbdf, unsigned int reg) return pci_conf_read(PCI_CONF_ADDRESS(sbdf, reg), 0, 4); } -#undef PCI_CONF_ADDRESS -#define PCI_CONF_ADDRESS(bus, dev, func, reg) \ - (0x80000000 | (bus << 16) | (dev << 11) | (func << 8) | (reg & ~3)) - -void pci_conf_write8( - unsigned int seg, unsigned int bus, unsigned int dev, unsigned int func, - unsigned int reg, uint8_t data) +void pci_conf_write8(pci_sbdf_t sbdf, unsigned int reg, uint8_t data) { - if ( seg || reg > 255 ) - pci_mmcfg_write(seg, bus, PCI_DEVFN(dev, func), reg, 1, data); + if ( sbdf.seg || reg > 255 ) + pci_mmcfg_write(sbdf.seg, sbdf.bus, sbdf.devfn, reg, 1, data); else - { - BUG_ON((bus > 255) || (dev > 31) || (func > 7)); - pci_conf_write(PCI_CONF_ADDRESS(bus, dev, func, reg), reg & 3, 1, data); - } + pci_conf_write(PCI_CONF_ADDRESS(sbdf, reg), reg & 3, 1, data); } +#undef PCI_CONF_ADDRESS +#define PCI_CONF_ADDRESS(bus, dev, func, reg) \ + (0x80000000 | (bus << 16) | (dev << 11) | (func << 8) | (reg & ~3)) + void pci_conf_write16( unsigned int seg, unsigned int bus, unsigned int dev, unsigned int func, unsigned int reg, uint16_t data) diff --git a/xen/drivers/acpi/reboot.c b/xen/drivers/acpi/reboot.c index 72d06fd8e5..04dac4fe7d 100644 --- a/xen/drivers/acpi/reboot.c +++ b/xen/drivers/acpi/reboot.c @@ -23,9 +23,9 @@ void acpi_reboot(void) case ACPI_ADR_SPACE_PCI_CONFIG: printk("Resetting with ACPI PCI RESET_REG.\n"); /* Write the value that resets us. */ - pci_conf_write8(0, 0, - (rr->address >> 32) & 31, - (rr->address >> 16) & 7, + pci_conf_write8(PCI_SBDF(0, 0, + (rr->address >> 32) & 31, + (rr->address >> 16) & 7), (rr->address & 255), reset_value); break; diff --git a/xen/drivers/char/ehci-dbgp.c b/xen/drivers/char/ehci-dbgp.c index 9b9025fb33..010fc3c5bc 100644 --- a/xen/drivers/char/ehci-dbgp.c +++ b/xen/drivers/char/ehci-dbgp.c @@ -1048,7 +1048,8 @@ static void ehci_dbgp_bios_handoff(struct ehci_dbgp *dbgp, u32 hcc_params) if ( (cap & 0xff) == 1 && (cap & EHCI_USBLEGSUP_BIOS) ) { dbgp_printk("dbgp: BIOS handoff\n"); - pci_conf_write8(0, dbgp->bus, dbgp->slot, dbgp->func, offset + 3, 1); + pci_conf_write8(PCI_SBDF(0, dbgp->bus, dbgp->slot, dbgp->func), + offset + 3, 1); } /* if boot firmware now owns EHCI, spin till it hands it over. */ @@ -1066,11 +1067,12 @@ static void ehci_dbgp_bios_handoff(struct ehci_dbgp *dbgp, u32 hcc_params) /* well, possibly buggy BIOS... try to shut it down, * and hope nothing goes too wrong */ dbgp_printk("dbgp: BIOS handoff failed: %08x\n", cap); - pci_conf_write8(0, dbgp->bus, dbgp->slot, dbgp->func, offset + 2, 0); + pci_conf_write8(PCI_SBDF(0, dbgp->bus, dbgp->slot, dbgp->func), + offset + 2, 0); } /* just in case, always disable EHCI SMIs */ - pci_conf_write8(0, dbgp->bus, dbgp->slot, dbgp->func, + pci_conf_write8(PCI_SBDF(0, dbgp->bus, dbgp->slot, dbgp->func), offset + EHCI_USBLEGCTLSTS, 0); } diff --git a/xen/drivers/vpci/vpci.c b/xen/drivers/vpci/vpci.c index 9969b85b4f..b9aaa11142 100644 --- a/xen/drivers/vpci/vpci.c +++ b/xen/drivers/vpci/vpci.c @@ -263,8 +263,7 @@ static void vpci_write_hw(pci_sbdf_t sbdf, unsigned int reg, unsigned int size, */ if ( reg & 1 ) { - pci_conf_write8(sbdf.seg, sbdf.bus, sbdf.dev, sbdf.func, reg, - data); + pci_conf_write8(sbdf, reg, data); pci_conf_write16(sbdf.seg, sbdf.bus, sbdf.dev, sbdf.func, reg + 1, data >> 8); } @@ -272,8 +271,7 @@ static void vpci_write_hw(pci_sbdf_t sbdf, unsigned int reg, unsigned int size, { pci_conf_write16(sbdf.seg, sbdf.bus, sbdf.dev, sbdf.func, reg, data); - pci_conf_write8(sbdf.seg, sbdf.bus, sbdf.dev, sbdf.func, reg + 2, - data >> 16); + pci_conf_write8(sbdf, reg + 2, data >> 16); } break; @@ -282,7 +280,7 @@ static void vpci_write_hw(pci_sbdf_t sbdf, unsigned int reg, unsigned int size, break; case 1: - pci_conf_write8(sbdf.seg, sbdf.bus, sbdf.dev, sbdf.func, reg, data); + pci_conf_write8(sbdf, reg, data); break; default: diff --git a/xen/include/xen/pci.h b/xen/include/xen/pci.h index 78a3985f0f..fdea7b307d 100644 --- a/xen/include/xen/pci.h +++ b/xen/include/xen/pci.h @@ -175,9 +175,7 @@ void pci_check_disable_device(u16 seg, u8 bus, u8 devfn); uint8_t pci_conf_read8(pci_sbdf_t sbdf, unsigned int reg); uint16_t pci_conf_read16(pci_sbdf_t sbdf, unsigned int reg); uint32_t pci_conf_read32(pci_sbdf_t sbdf, unsigned int reg); -void pci_conf_write8( - unsigned int seg, unsigned int bus, unsigned int dev, unsigned int func, - unsigned int reg, uint8_t data); +void pci_conf_write8(pci_sbdf_t sbdf, unsigned int reg, uint8_t data); void pci_conf_write16( unsigned int seg, unsigned int bus, unsigned int dev, unsigned int func, unsigned int reg, uint16_t data);