2 * QEMU SPAPR PCI BUS definitions
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
20 #ifndef PCI_HOST_SPAPR_H
21 #define PCI_HOST_SPAPR_H
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"
28 #define TYPE_SPAPR_PCI_HOST_BRIDGE "spapr-pci-host-bridge"
30 #define SPAPR_PCI_HOST_BRIDGE(obj) \
31 OBJECT_CHECK(sPAPRPHBState, (obj), TYPE_SPAPR_PCI_HOST_BRIDGE)
33 #define SPAPR_PCI_DMA_MAX_WINDOWS 2
35 typedef struct sPAPRPHBState sPAPRPHBState;
37 typedef struct spapr_pci_msi {
42 typedef struct spapr_pci_msi_mig {
47 struct sPAPRPHBState {
48 PCIHostState parent_obj;
55 MemoryRegion memspace, iospace;
56 hwaddr mem_win_addr, mem_win_size, mem64_win_addr, mem64_win_size;
57 uint64_t mem64_win_pciaddr;
58 hwaddr io_win_addr, io_win_size;
59 MemoryRegion mem32window, mem64window, iowindow, msiwindow;
61 uint32_t dma_liobn[SPAPR_PCI_DMA_MAX_WINDOWS];
62 hwaddr dma_win_addr, dma_win_size;
63 AddressSpace iommu_as;
64 MemoryRegion iommu_root;
66 struct spapr_pci_lsi {
68 } lsi_table[PCI_NUM_PINS];
71 /* Temporary cache for migration purposes */
73 spapr_pci_msi_mig *msi_devs;
75 QLIST_ENTRY(sPAPRPHBState) list;
78 uint64_t page_size_mask;
79 uint64_t dma64_win_addr;
84 #define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL
85 #define SPAPR_PCI_MEM32_WIN_SIZE \
86 ((1ULL << 32) - SPAPR_PCI_MEM_WIN_BUS_OFFSET)
87 #define SPAPR_PCI_MEM64_WIN_SIZE 0x10000000000ULL /* 1 TiB */
89 /* Without manual configuration, all PCI outbound windows will be
90 * within this range */
91 #define SPAPR_PCI_BASE (1ULL << 45) /* 32 TiB */
92 #define SPAPR_PCI_LIMIT (1ULL << 46) /* 64 TiB */
94 #define SPAPR_PCI_2_7_MMIO_WIN_SIZE 0xf80000000
95 #define SPAPR_PCI_IO_WIN_SIZE 0x10000
97 #define SPAPR_PCI_MSI_WINDOW 0x40000000000ULL
99 static inline qemu_irq spapr_phb_lsi_qirq(struct sPAPRPHBState *phb, int pin)
101 sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
103 return xics_get_qirq(spapr->xics, phb->lsi_table[pin].irq);
106 PCIHostState *spapr_create_phb(sPAPRMachineState *spapr, int index);
108 int spapr_populate_pci_dt(sPAPRPHBState *phb,
109 uint32_t xics_phandle,
112 void spapr_pci_rtas_init(void);
114 sPAPRPHBState *spapr_pci_find_phb(sPAPRMachineState *spapr, uint64_t buid);
115 PCIDevice *spapr_pci_find_dev(sPAPRMachineState *spapr, uint64_t buid,
116 uint32_t config_addr);
120 bool spapr_phb_eeh_available(sPAPRPHBState *sphb);
121 int spapr_phb_vfio_eeh_set_option(sPAPRPHBState *sphb,
122 unsigned int addr, int option);
123 int spapr_phb_vfio_eeh_get_state(sPAPRPHBState *sphb, int *state);
124 int spapr_phb_vfio_eeh_reset(sPAPRPHBState *sphb, int option);
125 int spapr_phb_vfio_eeh_configure(sPAPRPHBState *sphb);
126 void spapr_phb_vfio_reset(DeviceState *qdev);
128 static inline bool spapr_phb_eeh_available(sPAPRPHBState *sphb)
132 static inline int spapr_phb_vfio_eeh_set_option(sPAPRPHBState *sphb,
133 unsigned int addr, int option)
135 return RTAS_OUT_HW_ERROR;
137 static inline int spapr_phb_vfio_eeh_get_state(sPAPRPHBState *sphb,
140 return RTAS_OUT_HW_ERROR;
142 static inline int spapr_phb_vfio_eeh_reset(sPAPRPHBState *sphb, int option)
144 return RTAS_OUT_HW_ERROR;
146 static inline int spapr_phb_vfio_eeh_configure(sPAPRPHBState *sphb)
148 return RTAS_OUT_HW_ERROR;
150 static inline void spapr_phb_vfio_reset(DeviceState *qdev)
155 void spapr_phb_dma_reset(sPAPRPHBState *sphb);
157 #endif /* PCI_HOST_SPAPR_H */