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[2001:4830:134:3::11]) by mx.google.com with ESMTPS id c198si1505504qka.100.2015.04.30.04.54.36 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Thu, 30 Apr 2015 04:54:36 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Received: from localhost ([::1]:43166 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ynn35-0001sI-Nw for patch@linaro.org; Thu, 30 Apr 2015 07:54:35 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59074) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ynn1s-0000RX-BW for qemu-devel@nongnu.org; Thu, 30 Apr 2015 07:53:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ynn1n-0002Je-OU for qemu-devel@nongnu.org; Thu, 30 Apr 2015 07:53:20 -0400 Received: from mail-pa0-f51.google.com ([209.85.220.51]:34878) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ynn1n-0002JZ-JD for qemu-devel@nongnu.org; Thu, 30 Apr 2015 07:53:15 -0400 Received: by pabtp1 with SMTP id tp1so57639848pab.2 for ; Thu, 30 Apr 2015 04:53:14 -0700 (PDT) X-Received: by 10.70.103.230 with SMTP id fz6mr7603577pdb.1.1430394794896; Thu, 30 Apr 2015 04:53:14 -0700 (PDT) Received: from pnqlab006.amcc.com ([182.73.239.130]) by mx.google.com with ESMTPSA id jg3sm2003120pbb.72.2015.04.30.04.53.10 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 30 Apr 2015 04:53:14 -0700 (PDT) From: Pranavkumar Sawargaonkar To: qemu-devel@nongnu.org Date: Thu, 30 Apr 2015 17:22:49 +0530 Message-Id: <1430394771-19617-2-git-send-email-pranavkumar@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1430394771-19617-1-git-send-email-pranavkumar@linaro.org> References: <1430394771-19617-1-git-send-email-pranavkumar@linaro.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.220.51 Cc: peter.maydell@linaro.org, patches@apm.com, agraf@suse.de, christoffer.dall@linaro.org, Tushar Jagad , Pranavkumar Sawargaonkar Subject: [Qemu-devel] [v2 1/2] pci: GPEX: Add a function to determine interrupt number for INTx routing X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: pranavkumar@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.217.173 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 This patch adds a PCI bus specific function pointer "route_intx_to_irq" for GPEX. This is used in detemining PCI INTx number from pin. Signed-off-by: Pranavkumar Sawargaonkar Signed-off-by: Tushar Jagad --- hw/pci-host/gpex.c | 12 ++++++++++++ include/hw/pci-host/gpex.h | 1 + 2 files changed, 13 insertions(+) diff --git a/hw/pci-host/gpex.c b/hw/pci-host/gpex.c index 9d8fb5a..ed96053 100644 --- a/hw/pci-host/gpex.c +++ b/hw/pci-host/gpex.c @@ -42,6 +42,17 @@ static void gpex_set_irq(void *opaque, int irq_num, int level) qemu_set_irq(s->irq[irq_num], level); } +static PCIINTxRoute gpex_route_intx_pin_to_irq(void *opaque, int pin) +{ + PCIINTxRoute route; + GPEXHost *s = opaque; + + route.mode = PCI_INTX_ENABLED; + route.irq = (int) s->irq_num[pin]; + + return route; +} + static void gpex_host_realize(DeviceState *dev, Error **errp) { PCIHostState *pci = PCI_HOST_BRIDGE(dev); @@ -66,6 +77,7 @@ static void gpex_host_realize(DeviceState *dev, Error **errp) &s->io_ioport, 0, 4, TYPE_PCIE_BUS); qdev_set_parent_bus(DEVICE(&s->gpex_root), BUS(pci->bus)); + pci_bus_set_route_irq_fn(pci->bus, gpex_route_intx_pin_to_irq); qdev_init_nofail(DEVICE(&s->gpex_root)); } diff --git a/include/hw/pci-host/gpex.h b/include/hw/pci-host/gpex.h index 68c9348..7df1c16 100644 --- a/include/hw/pci-host/gpex.h +++ b/include/hw/pci-host/gpex.h @@ -51,6 +51,7 @@ typedef struct GPEXHost { MemoryRegion io_ioport; MemoryRegion io_mmio; qemu_irq irq[GPEX_NUM_IRQS]; + uint32_t irq_num[GPEX_NUM_IRQS]; } GPEXHost; #endif /* HW_GPEX_H */