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From 1cd93911c6a461bbe8585b9d4e2d76ba42abead3 Mon Sep 17 00:00:00 2001
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From: Auger Eric <eric.auger@redhat.com>
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Date: Mon, 6 Nov 2017 17:08:42 +0100
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Subject: [PATCH 6/9] hw/pci-host/gpex: Set INTx index/gsi mapping
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RH-Author: Auger Eric <eric.auger@redhat.com>
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Message-id: <1509988125-30275-2-git-send-email-eric.auger@redhat.com>
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Patchwork-id: 77509
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O-Subject: [RHV7.5 qemu-kvm-ma PATCH 1/4] hw/pci-host/gpex: Set INTx index/gsi mapping
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Bugzilla: 1460957
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RH-Acked-by: Alex Williamson <alex.williamson@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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From: Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
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To implement INTx to gsi routing we need to pass the gpex host
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bridge the gsi associated to each INTx index. Let's introduce
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irq_num array and gpex_set_irq_num setter function.
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Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
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Signed-off-by: Tushar Jagad <tushar.jagad@linaro.org>
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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Tested-by: Feng Kan <fkan@apm.com>
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Reviewed-by: Andrew Jones <drjones@redhat.com>
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Message-id: 1505296004-6798-2-git-send-email-eric.auger@redhat.com
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Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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(cherry picked from commit 70bfdce6a1263fd06144ecc1c3727c44e562d89b)
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/pci-host/gpex.c | 10 ++++++++++
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include/hw/pci-host/gpex.h | 3 +++
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2 files changed, 13 insertions(+)
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diff --git a/hw/pci-host/gpex.c b/hw/pci-host/gpex.c
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index 59f3132..d6cf621 100644
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--- a/hw/pci-host/gpex.c
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+++ b/hw/pci-host/gpex.c
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@@ -43,6 +43,16 @@ static void gpex_set_irq(void *opaque, int irq_num, int level)
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qemu_set_irq(s->irq[irq_num], level);
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}
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+int gpex_set_irq_num(GPEXHost *s, int index, int gsi)
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+{
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+ if (index >= GPEX_NUM_IRQS) {
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+ return -EINVAL;
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+ }
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+
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+ s->irq_num[index] = gsi;
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+ return 0;
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+}
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+
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static void gpex_host_realize(DeviceState *dev, Error **errp)
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{
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PCIHostState *pci = PCI_HOST_BRIDGE(dev);
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diff --git a/include/hw/pci-host/gpex.h b/include/hw/pci-host/gpex.h
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index 68c9348..aef38b8 100644
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--- a/include/hw/pci-host/gpex.h
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+++ b/include/hw/pci-host/gpex.h
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@@ -51,6 +51,9 @@ typedef struct GPEXHost {
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MemoryRegion io_ioport;
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MemoryRegion io_mmio;
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qemu_irq irq[GPEX_NUM_IRQS];
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+ int irq_num[GPEX_NUM_IRQS];
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} GPEXHost;
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+int gpex_set_irq_num(GPEXHost *s, int index, int gsi);
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+
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#endif /* HW_GPEX_H */
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--
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1.8.3.1
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