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acpi: add acpi_dsdt_add_gpex

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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
This commit is contained in:
Gerd Hoffmann 2020-09-28 12:42:46 +02:00
parent 52f5903a27
commit 5b85eabe68
3 changed files with 191 additions and 0 deletions
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11
include/hw/pci-host/gpex.h
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@ -20,6 +20,7 @@
#ifndef HW_GPEX_H
#define HW_GPEX_H
#include "exec/hwaddr.h"
#include "hw/sysbus.h"
#include "hw/pci/pci.h"
#include "hw/pci/pcie_host.h"
@ -52,6 +53,16 @@ struct GPEXHost {
int irq_num[GPEX_NUM_IRQS];
};
struct GPEXConfig {
MemMapEntry ecam;
MemMapEntry mmio32;
MemMapEntry mmio64;
MemMapEntry pio;
int irq;
};
int gpex_set_irq_num(GPEXHost *s, int index, int gsi);
void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg);
#endif /* HW_GPEX_H */