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20#ifndef PCI_HOST_SPAPR_H
21#define PCI_HOST_SPAPR_H
22
23#include "hw/ppc/spapr.h"
24#include "hw/pci/pci.h"
25#include "hw/pci/pci_host.h"
26#include "hw/ppc/xics.h"
27
28#define TYPE_SPAPR_PCI_HOST_BRIDGE "spapr-pci-host-bridge"
29
30#define SPAPR_PCI_HOST_BRIDGE(obj) \
31 OBJECT_CHECK(sPAPRPHBState, (obj), TYPE_SPAPR_PCI_HOST_BRIDGE)
32
33#define SPAPR_PCI_DMA_MAX_WINDOWS 2
34
35typedef struct sPAPRPHBState sPAPRPHBState;
36
37typedef struct spapr_pci_msi {
38 uint32_t first_irq;
39 uint32_t num;
40} spapr_pci_msi;
41
42typedef struct spapr_pci_msi_mig {
43 uint32_t key;
44 spapr_pci_msi value;
45} spapr_pci_msi_mig;
46
47struct sPAPRPHBState {
48 PCIHostState parent_obj;
49
50 uint32_t index;
51 uint64_t buid;
52 char *dtbusname;
53 bool dr_enabled;
54
55 MemoryRegion memspace, iospace;
56 hwaddr mem_win_addr, mem_win_size, io_win_addr, io_win_size;
57 MemoryRegion memwindow, iowindow, msiwindow;
58
59 uint32_t dma_liobn[SPAPR_PCI_DMA_MAX_WINDOWS];
60 hwaddr dma_win_addr, dma_win_size;
61 AddressSpace iommu_as;
62 MemoryRegion iommu_root;
63
64 struct spapr_pci_lsi {
65 uint32_t irq;
66 } lsi_table[PCI_NUM_PINS];
67
68 GHashTable *msi;
69
70 int32_t msi_devs_num;
71 spapr_pci_msi_mig *msi_devs;
72
73 QLIST_ENTRY(sPAPRPHBState) list;
74
75 bool ddw_enabled;
76 uint64_t page_size_mask;
77 uint64_t dma64_win_addr;
78};
79
80#define SPAPR_PCI_MAX_INDEX 255
81
82#define SPAPR_PCI_BASE_BUID 0x800000020000000ULL
83
84#define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL
85
86#define SPAPR_PCI_WINDOW_BASE 0x10000000000ULL
87#define SPAPR_PCI_WINDOW_SPACING 0x1000000000ULL
88#define SPAPR_PCI_MMIO_WIN_OFF 0xA0000000
89#define SPAPR_PCI_MMIO_WIN_SIZE (SPAPR_PCI_WINDOW_SPACING - \
90 SPAPR_PCI_MEM_WIN_BUS_OFFSET)
91#define SPAPR_PCI_IO_WIN_OFF 0x80000000
92#define SPAPR_PCI_IO_WIN_SIZE 0x10000
93
94#define SPAPR_PCI_MSI_WINDOW 0x40000000000ULL
95
96static inline qemu_irq spapr_phb_lsi_qirq(struct sPAPRPHBState *phb, int pin)
97{
98 sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
99
100 return xics_get_qirq(spapr->xics, phb->lsi_table[pin].irq);
101}
102
103PCIHostState *spapr_create_phb(sPAPRMachineState *spapr, int index);
104
105int spapr_populate_pci_dt(sPAPRPHBState *phb,
106 uint32_t xics_phandle,
107 void *fdt);
108
109void spapr_pci_msi_init(sPAPRMachineState *spapr, hwaddr addr);
110
111void spapr_pci_rtas_init(void);
112
113sPAPRPHBState *spapr_pci_find_phb(sPAPRMachineState *spapr, uint64_t buid);
114PCIDevice *spapr_pci_find_dev(sPAPRMachineState *spapr, uint64_t buid,
115 uint32_t config_addr);
116
117
118#ifdef CONFIG_LINUX
119bool spapr_phb_eeh_available(sPAPRPHBState *sphb);
120int spapr_phb_vfio_eeh_set_option(sPAPRPHBState *sphb,
121 unsigned int addr, int option);
122int spapr_phb_vfio_eeh_get_state(sPAPRPHBState *sphb, int *state);
123int spapr_phb_vfio_eeh_reset(sPAPRPHBState *sphb, int option);
124int spapr_phb_vfio_eeh_configure(sPAPRPHBState *sphb);
125void spapr_phb_vfio_reset(DeviceState *qdev);
126#else
127static inline bool spapr_phb_eeh_available(sPAPRPHBState *sphb)
128{
129 return false;
130}
131static inline int spapr_phb_vfio_eeh_set_option(sPAPRPHBState *sphb,
132 unsigned int addr, int option)
133{
134 return RTAS_OUT_HW_ERROR;
135}
136static inline int spapr_phb_vfio_eeh_get_state(sPAPRPHBState *sphb,
137 int *state)
138{
139 return RTAS_OUT_HW_ERROR;
140}
141static inline int spapr_phb_vfio_eeh_reset(sPAPRPHBState *sphb, int option)
142{
143 return RTAS_OUT_HW_ERROR;
144}
145static inline int spapr_phb_vfio_eeh_configure(sPAPRPHBState *sphb)
146{
147 return RTAS_OUT_HW_ERROR;
148}
149static inline void spapr_phb_vfio_reset(DeviceState *qdev)
150{
151}
152#endif
153
154void spapr_phb_dma_reset(sPAPRPHBState *sphb);
155
156#endif
157