5b85eabe68
Add helper function to generate dsdt aml code for the gpex pci host. Largely copied from arm/virt. Configuration is handled by passing a config struct instead of looked up from memory map. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-id: 20200928104256.9241-3-kraxel@redhat.com
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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* QEMU Generic PCI Express Bridge Emulation
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*
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* Copyright (C) 2015 Alexander Graf <agraf@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef HW_GPEX_H
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#define HW_GPEX_H
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#include "exec/hwaddr.h"
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#include "hw/sysbus.h"
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#include "hw/pci/pci.h"
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#include "hw/pci/pcie_host.h"
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#include "qom/object.h"
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#define TYPE_GPEX_HOST "gpex-pcihost"
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OBJECT_DECLARE_SIMPLE_TYPE(GPEXHost, GPEX_HOST)
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#define TYPE_GPEX_ROOT_DEVICE "gpex-root"
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OBJECT_DECLARE_SIMPLE_TYPE(GPEXRootState, GPEX_ROOT_DEVICE)
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#define GPEX_NUM_IRQS 4
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struct GPEXRootState {
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/*< private >*/
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PCIDevice parent_obj;
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/*< public >*/
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};
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struct GPEXHost {
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/*< private >*/
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PCIExpressHost parent_obj;
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/*< public >*/
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GPEXRootState gpex_root;
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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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};
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struct GPEXConfig {
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MemMapEntry ecam;
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MemMapEntry mmio32;
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MemMapEntry mmio64;
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MemMapEntry pio;
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int irq;
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};
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int gpex_set_irq_num(GPEXHost *s, int index, int gsi);
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void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg);
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#endif /* HW_GPEX_H */
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