From patchwork Fri Jun 24 13:28:53 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cornelia Huck X-Patchwork-Id: 9197517 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 761B26077D for ; Fri, 24 Jun 2016 13:35:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 64F76284B4 for ; Fri, 24 Jun 2016 13:35:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 59D27284B6; Fri, 24 Jun 2016 13:35:34 +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 C1030284B4 for ; Fri, 24 Jun 2016 13:35:33 +0000 (UTC) Received: from localhost ([::1]:43560 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bGRGe-0000a6-DL for patchwork-qemu-devel@patchwork.kernel.org; Fri, 24 Jun 2016 09:35:32 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49821) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bGRAh-0002t0-3F for qemu-devel@nongnu.org; Fri, 24 Jun 2016 09:29:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bGRAa-0000aK-G9 for qemu-devel@nongnu.org; Fri, 24 Jun 2016 09:29:23 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:13879 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bGRAa-0000aC-As for qemu-devel@nongnu.org; Fri, 24 Jun 2016 09:29:16 -0400 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u5ODT0x1109947 for ; Fri, 24 Jun 2016 09:29:16 -0400 Received: from e06smtp12.uk.ibm.com (e06smtp12.uk.ibm.com [195.75.94.108]) by mx0b-001b2d01.pphosted.com with ESMTP id 23ruexmd85-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 24 Jun 2016 09:29:15 -0400 Received: from localhost by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Fri, 24 Jun 2016 14:29:11 +0100 X-IBM-Helo: d06dlp02.portsmouth.uk.ibm.com X-IBM-MailFrom: cornelia.huck@de.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by d06dlp02.portsmouth.uk.ibm.com (Postfix) with ESMTP id 79AAC219006D for ; Fri, 24 Jun 2016 14:28:41 +0100 (BST) Received: from d06av10.portsmouth.uk.ibm.com (d06av10.portsmouth.uk.ibm.com [9.149.37.251]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u5ODTAJ79699662 for ; Fri, 24 Jun 2016 13:29:11 GMT Received: from d06av10.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av10.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u5OCTC5N018120 for ; Fri, 24 Jun 2016 06:29:13 -0600 Received: from gondolin.boeblingen.de.ibm.com (dyn-9-152-224-202.boeblingen.de.ibm.com [9.152.224.202]) by d06av10.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u5OCTBMk018033 (version=TLSv1/SSLv3 cipher=AES256-SHA256 bits=256 verify=NO); Fri, 24 Jun 2016 06:29:12 -0600 From: Cornelia Huck To: qemu-devel@nongnu.org Date: Fri, 24 Jun 2016 15:28:53 +0200 X-Mailer: git-send-email 2.9.0 In-Reply-To: <20160624132906.14446-1-cornelia.huck@de.ibm.com> References: <20160624132906.14446-1-cornelia.huck@de.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16062413-0008-0000-0000-0000029210C7 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16062413-0009-0000-0000-000018DEC889 Message-Id: <20160624132906.14446-5-cornelia.huck@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-06-24_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1606240147 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH 04/17] s390x/pci: unify FH_ macros 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: Cornelia Huck , zyimin@linux.vnet.ibm.com, mst@redhat.com, agraf@suse.de, borntraeger@de.ibm.com, jfrei@linux.vnet.ibm.com, marcel@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Yi Min Zhao Present code uses some macros to structure PCI Function Handle. But their names don't have a uniform format. Let's use FH_MASK_ as the unified prefix. While we're at it, differentiate the SHM bits: use different bits for vfio and emulated devices. Signed-off-by: Yi Min Zhao Reviewed-by: Pierre Morel Signed-off-by: Cornelia Huck --- hw/s390x/s390-pci-bus.c | 6 +++--- hw/s390x/s390-pci-bus.h | 9 ++++++--- hw/s390x/s390-pci-inst.c | 18 +++++++++--------- 3 files changed, 18 insertions(+), 15 deletions(-) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index ba637c9..7111587 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -170,7 +170,7 @@ static uint32_t s390_pci_get_pfid(PCIDevice *pdev) static uint32_t s390_pci_get_pfh(PCIDevice *pdev) { - return PCI_SLOT(pdev->devfn) | FH_VIRT; + return PCI_SLOT(pdev->devfn) | FH_SHM_VFIO; } S390PCIBusDevice *s390_pci_find_dev_by_idx(uint32_t idx) @@ -345,7 +345,7 @@ static IOMMUTLBEntry s390_translate_iommu(MemoryRegion *iommu, hwaddr addr, }; if (!pbdev->configured || !pbdev->pdev || - !(pbdev->fh & FH_ENABLED) || !pbdev->iommu_enabled) { + !(pbdev->fh & FH_MASK_ENABLE) || !pbdev->iommu_enabled) { return ret; } @@ -456,7 +456,7 @@ static void s390_msi_ctrl_write(void *opaque, hwaddr addr, uint64_t data, return; } - if (!(pbdev->fh & FH_ENABLED)) { + if (!(pbdev->fh & FH_MASK_ENABLE)) { return; } diff --git a/hw/s390x/s390-pci-bus.h b/hw/s390x/s390-pci-bus.h index 2c852d4..5cf7926 100644 --- a/hw/s390x/s390-pci-bus.h +++ b/hw/s390x/s390-pci-bus.h @@ -21,9 +21,12 @@ #include "hw/s390x/css.h" #define TYPE_S390_PCI_HOST_BRIDGE "s390-pcihost" -#define FH_VIRT 0x00ff0000 -#define ENABLE_BIT_OFFSET 31 -#define FH_ENABLED (1 << ENABLE_BIT_OFFSET) +#define FH_MASK_ENABLE 0x80000000 +#define FH_MASK_INSTANCE 0x7f000000 +#define FH_MASK_SHM 0x00ff0000 +#define FH_MASK_INDEX 0x0000001f +#define FH_SHM_VFIO 0x00010000 +#define FH_SHM_EMUL 0x00020000 #define S390_PCIPT_ADAPTER 2 #define S390_PCI_HOST_BRIDGE(obj) \ diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c index 2cd7d14..8b68824 100644 --- a/hw/s390x/s390-pci-inst.c +++ b/hw/s390x/s390-pci-inst.c @@ -92,7 +92,7 @@ static int list_pci(ClpReqRspListPci *rrb, uint8_t *cc) stl_p(&rrb->response.fmt, 0); stq_p(&rrb->response.reserved1, 0); stq_p(&rrb->response.reserved2, 0); - stl_p(&rrb->response.mdd, FH_VIRT); + stl_p(&rrb->response.mdd, FH_MASK_SHM); stw_p(&rrb->response.max_fn, PCI_MAX_FUNCTIONS); rrb->response.entry_size = sizeof(ClpFhListEntry); finish = 0; @@ -212,12 +212,12 @@ int clp_service_call(S390CPU *cpu, uint8_t r2) switch (reqsetpci->oc) { case CLP_SET_ENABLE_PCI_FN: - pbdev->fh = pbdev->fh | FH_ENABLED; + pbdev->fh |= FH_MASK_ENABLE; stl_p(&ressetpci->fh, pbdev->fh); stw_p(&ressetpci->hdr.rsp, CLP_RC_OK); break; case CLP_SET_DISABLE_PCI_FN: - pbdev->fh = pbdev->fh & ~FH_ENABLED; + pbdev->fh &= ~FH_MASK_ENABLE; pbdev->error_state = false; pbdev->lgstg_blocked = false; stl_p(&ressetpci->fh, pbdev->fh); @@ -318,7 +318,7 @@ int pcilg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2) offset = env->regs[r2 + 1]; pbdev = s390_pci_find_dev_by_fh(fh); - if (!pbdev || !(pbdev->fh & FH_ENABLED)) { + if (!pbdev || !(pbdev->fh & FH_MASK_ENABLE)) { DPRINTF("pcilg no pci dev\n"); setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE); return 0; @@ -435,7 +435,7 @@ int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2) offset = env->regs[r2 + 1]; pbdev = s390_pci_find_dev_by_fh(fh); - if (!pbdev || !(pbdev->fh & FH_ENABLED)) { + if (!pbdev || !(pbdev->fh & FH_MASK_ENABLE)) { DPRINTF("pcistg no pci dev\n"); setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE); return 0; @@ -526,7 +526,7 @@ int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2) end = start + env->regs[r2 + 1]; pbdev = s390_pci_find_dev_by_fh(fh); - if (!pbdev || !(pbdev->fh & FH_ENABLED)) { + if (!pbdev || !(pbdev->fh & FH_MASK_ENABLE)) { DPRINTF("rpcit no pci dev\n"); setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE); goto out; @@ -590,7 +590,7 @@ int pcistb_service_call(S390CPU *cpu, uint8_t r1, uint8_t r3, uint64_t gaddr, } pbdev = s390_pci_find_dev_by_fh(fh); - if (!pbdev || !(pbdev->fh & FH_ENABLED)) { + if (!pbdev || !(pbdev->fh & FH_MASK_ENABLE)) { DPRINTF("pcistb no pci dev fh 0x%x\n", fh); setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE); return 0; @@ -743,7 +743,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar) } pbdev = s390_pci_find_dev_by_fh(fh); - if (!pbdev || !(pbdev->fh & FH_ENABLED)) { + if (!pbdev || !(pbdev->fh & FH_MASK_ENABLE)) { DPRINTF("mpcifc no pci dev fh 0x%x\n", fh); setcc(cpu, ZPCI_PCI_LS_INVAL_HANDLE); return 0; @@ -873,7 +873,7 @@ int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar) ((uint32_t)pbdev->sum << 7) | pbdev->routes.adapter.summary_offset; stl_p(&fib.data, data); - if (pbdev->fh & FH_ENABLED) { + if (pbdev->fh & FH_MASK_ENABLE) { fib.fc |= 0x80; }