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-rw-r--r--include/hw/pci/pci.h26
-rw-r--r--include/hw/pci/pci_bus.h1
-rw-r--r--include/hw/pci/pcie.h18
-rw-r--r--include/hw/pci/pcie_host.h27
4 files changed, 51 insertions, 21 deletions
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 4b90e5d00b..37ffa53119 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -247,9 +247,6 @@ struct PCIDevice {
PCIConfigReadFunc *config_read;
PCIConfigWriteFunc *config_write;
- /* IRQ objects for the INTA-INTD pins. */
- qemu_irq *irq;
-
/* Legacy PCI VGA regions */
MemoryRegion *vga_regions[QEMU_PCI_VGA_NUM_REGIONS];
bool has_vga;
@@ -632,6 +629,29 @@ PCIDevice *pci_create_simple_multifunction(PCIBus *bus, int devfn,
PCIDevice *pci_create(PCIBus *bus, int devfn, const char *name);
PCIDevice *pci_create_simple(PCIBus *bus, int devfn, const char *name);
+qemu_irq pci_allocate_irq(PCIDevice *pci_dev);
+void pci_set_irq(PCIDevice *pci_dev, int level);
+
+static inline void pci_irq_assert(PCIDevice *pci_dev)
+{
+ pci_set_irq(pci_dev, 1);
+}
+
+static inline void pci_irq_deassert(PCIDevice *pci_dev)
+{
+ pci_set_irq(pci_dev, 0);
+}
+
+/*
+ * FIXME: PCI does not work this way.
+ * All the callers to this method should be fixed.
+ */
+static inline void pci_irq_pulse(PCIDevice *pci_dev)
+{
+ pci_irq_assert(pci_dev);
+ pci_irq_deassert(pci_dev);
+}
+
static inline int pci_is_express(const PCIDevice *d)
{
return d->cap_present & QEMU_PCI_CAP_EXPRESS;
diff --git a/include/hw/pci/pci_bus.h b/include/hw/pci/pci_bus.h
index 9df17885ec..2ad5edbde9 100644
--- a/include/hw/pci/pci_bus.h
+++ b/include/hw/pci/pci_bus.h
@@ -23,6 +23,7 @@ struct PCIBus {
PCIDevice *parent_dev;
MemoryRegion *address_space_mem;
MemoryRegion *address_space_io;
+ MemoryRegion master_abort_mem;
QLIST_HEAD(, PCIBus) child; /* this will be replaced by qdev later */
QLIST_ENTRY(PCIBus) sibling;/* this will be replaced by qdev later */
diff --git a/include/hw/pci/pcie.h b/include/hw/pci/pcie.h
index c010007c5e..1966169553 100644
--- a/include/hw/pci/pcie.h
+++ b/include/hw/pci/pcie.h
@@ -64,15 +64,6 @@ struct PCIExpressDevice {
uint8_t exp_cap;
/* SLOT */
- unsigned int hpev_intx; /* INTx for hot plug event (0-3:INT[A-D]#)
- * default is 0 = INTA#
- * If the chip wants to use other interrupt
- * line, initialize this member with the
- * desired number.
- * If the chip dynamically changes this member,
- * also initialize it when loaded as
- * appropreately.
- */
bool hpev_notified; /* Logical AND of conditions for hot plug event.
Following 6.7.3.4:
Software Notification of Hot-Plug Events, an interrupt
@@ -82,15 +73,6 @@ struct PCIExpressDevice {
/* AER */
uint16_t aer_cap;
PCIEAERLog aer_log;
- unsigned int aer_intx; /* INTx for error reporting
- * default is 0 = INTA#
- * If the chip wants to use other interrupt
- * line, initialize this member with the
- * desired number.
- * If the chip dynamically changes this member,
- * also initialize it when loaded as
- * appropreately.
- */
};
/* PCI express capability helper functions */
diff --git a/include/hw/pci/pcie_host.h b/include/hw/pci/pcie_host.h
index 1228e36cb2..acca45ed58 100644
--- a/include/hw/pci/pcie_host.h
+++ b/include/hw/pci/pcie_host.h
@@ -28,6 +28,12 @@
#define PCIE_HOST_BRIDGE(obj) \
OBJECT_CHECK(PCIExpressHost, (obj), TYPE_PCIE_HOST_BRIDGE)
+#define PCIE_HOST_MCFG_BASE "MCFG"
+#define PCIE_HOST_MCFG_SIZE "mcfg_size"
+
+/* pcie_host::base_addr == PCIE_BASE_ADDR_UNMAPPED when it isn't mapped. */
+#define PCIE_BASE_ADDR_UNMAPPED ((hwaddr)-1ULL)
+
struct PCIExpressHost {
PCIHostState pci;
@@ -51,4 +57,25 @@ void pcie_host_mmcfg_update(PCIExpressHost *e,
hwaddr addr,
uint32_t size);
+/*
+ * PCI express ECAM (Enhanced Configuration Address Mapping) format.
+ * AKA mmcfg address
+ * bit 20 - 28: bus number
+ * bit 15 - 19: device number
+ * bit 12 - 14: function number
+ * bit 0 - 11: offset in configuration space of a given device
+ */
+#define PCIE_MMCFG_SIZE_MAX (1ULL << 28)
+#define PCIE_MMCFG_SIZE_MIN (1ULL << 20)
+#define PCIE_MMCFG_BUS_BIT 20
+#define PCIE_MMCFG_BUS_MASK 0x1ff
+#define PCIE_MMCFG_DEVFN_BIT 12
+#define PCIE_MMCFG_DEVFN_MASK 0xff
+#define PCIE_MMCFG_CONFOFFSET_MASK 0xfff
+#define PCIE_MMCFG_BUS(addr) (((addr) >> PCIE_MMCFG_BUS_BIT) & \
+ PCIE_MMCFG_BUS_MASK)
+#define PCIE_MMCFG_DEVFN(addr) (((addr) >> PCIE_MMCFG_DEVFN_BIT) & \
+ PCIE_MMCFG_DEVFN_MASK)
+#define PCIE_MMCFG_CONFOFFSET(addr) ((addr) & PCIE_MMCFG_CONFOFFSET_MASK)
+
#endif /* PCIE_HOST_H */