root / hw / spapr_vio.h @ 5844997a
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1 | 4040ab72 | David Gibson | #ifndef _HW_SPAPR_VIO_H
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2 | 4040ab72 | David Gibson | #define _HW_SPAPR_VIO_H
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3 | 4040ab72 | David Gibson | /*
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4 | 4040ab72 | David Gibson | * QEMU sPAPR VIO bus definitions
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5 | 4040ab72 | David Gibson | *
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6 | 4040ab72 | David Gibson | * Copyright (c) 2010 David Gibson, IBM Corporation <david@gibson.dropbear.id.au>
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7 | 4040ab72 | David Gibson | * Based on the s390 virtio bus definitions:
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8 | 4040ab72 | David Gibson | * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
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9 | 4040ab72 | David Gibson | *
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10 | 4040ab72 | David Gibson | * This library is free software; you can redistribute it and/or
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11 | 4040ab72 | David Gibson | * modify it under the terms of the GNU Lesser General Public
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12 | 4040ab72 | David Gibson | * License as published by the Free Software Foundation; either
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13 | 4040ab72 | David Gibson | * version 2 of the License, or (at your option) any later version.
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14 | 4040ab72 | David Gibson | *
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15 | 4040ab72 | David Gibson | * This library is distributed in the hope that it will be useful,
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16 | 4040ab72 | David Gibson | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | 4040ab72 | David Gibson | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 | 4040ab72 | David Gibson | * Lesser General Public License for more details.
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19 | 4040ab72 | David Gibson | *
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20 | 4040ab72 | David Gibson | * You should have received a copy of the GNU Lesser General Public
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21 | 4040ab72 | David Gibson | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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22 | 4040ab72 | David Gibson | */
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23 | 4040ab72 | David Gibson | |
24 | ee86dfee | David Gibson | #define SPAPR_VIO_TCE_PAGE_SHIFT 12 |
25 | ee86dfee | David Gibson | #define SPAPR_VIO_TCE_PAGE_SIZE (1ULL << SPAPR_VIO_TCE_PAGE_SHIFT) |
26 | ee86dfee | David Gibson | #define SPAPR_VIO_TCE_PAGE_MASK (SPAPR_VIO_TCE_PAGE_SIZE - 1) |
27 | ee86dfee | David Gibson | |
28 | ee86dfee | David Gibson | enum VIOsPAPR_TCEAccess {
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29 | ee86dfee | David Gibson | SPAPR_TCE_FAULT = 0,
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30 | ee86dfee | David Gibson | SPAPR_TCE_RO = 1,
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31 | ee86dfee | David Gibson | SPAPR_TCE_WO = 2,
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32 | ee86dfee | David Gibson | SPAPR_TCE_RW = 3,
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33 | ee86dfee | David Gibson | }; |
34 | ee86dfee | David Gibson | |
35 | b45d63b6 | Ben Herrenschmidt | struct VIOsPAPRDevice;
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36 | b45d63b6 | Ben Herrenschmidt | |
37 | ee86dfee | David Gibson | typedef struct VIOsPAPR_RTCE { |
38 | ee86dfee | David Gibson | uint64_t tce; |
39 | ee86dfee | David Gibson | } VIOsPAPR_RTCE; |
40 | ee86dfee | David Gibson | |
41 | b45d63b6 | Ben Herrenschmidt | typedef struct VIOsPAPR_CRQ { |
42 | b45d63b6 | Ben Herrenschmidt | uint64_t qladdr; |
43 | b45d63b6 | Ben Herrenschmidt | uint32_t qsize; |
44 | b45d63b6 | Ben Herrenschmidt | uint32_t qnext; |
45 | b45d63b6 | Ben Herrenschmidt | int(*SendFunc)(struct VIOsPAPRDevice *vdev, uint8_t *crq); |
46 | b45d63b6 | Ben Herrenschmidt | } VIOsPAPR_CRQ; |
47 | b45d63b6 | Ben Herrenschmidt | |
48 | 4040ab72 | David Gibson | typedef struct VIOsPAPRDevice { |
49 | 4040ab72 | David Gibson | DeviceState qdev; |
50 | 4040ab72 | David Gibson | uint32_t reg; |
51 | 08942ac1 | Ben Herrenschmidt | uint32_t flags; |
52 | 08942ac1 | Ben Herrenschmidt | #define VIO_PAPR_FLAG_DMA_BYPASS 0x1 |
53 | 00dc738d | David Gibson | qemu_irq qirq; |
54 | 00dc738d | David Gibson | uint32_t vio_irq_num; |
55 | 00dc738d | David Gibson | target_ulong signal_state; |
56 | ee86dfee | David Gibson | uint32_t rtce_window_size; |
57 | ee86dfee | David Gibson | VIOsPAPR_RTCE *rtce_table; |
58 | b45d63b6 | Ben Herrenschmidt | VIOsPAPR_CRQ crq; |
59 | 4040ab72 | David Gibson | } VIOsPAPRDevice; |
60 | 4040ab72 | David Gibson | |
61 | 4040ab72 | David Gibson | typedef struct VIOsPAPRBus { |
62 | 4040ab72 | David Gibson | BusState bus; |
63 | 4040ab72 | David Gibson | } VIOsPAPRBus; |
64 | 4040ab72 | David Gibson | |
65 | 4040ab72 | David Gibson | typedef struct { |
66 | 4040ab72 | David Gibson | DeviceInfo qdev; |
67 | 4040ab72 | David Gibson | const char *dt_name, *dt_type, *dt_compatible; |
68 | 00dc738d | David Gibson | target_ulong signal_mask; |
69 | 4040ab72 | David Gibson | int (*init)(VIOsPAPRDevice *dev);
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70 | 4040ab72 | David Gibson | void (*hcalls)(VIOsPAPRBus *bus);
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71 | 4040ab72 | David Gibson | int (*devnode)(VIOsPAPRDevice *dev, void *fdt, int node_off); |
72 | 4040ab72 | David Gibson | } VIOsPAPRDeviceInfo; |
73 | 4040ab72 | David Gibson | |
74 | 4040ab72 | David Gibson | extern VIOsPAPRBus *spapr_vio_bus_init(void); |
75 | 4040ab72 | David Gibson | extern VIOsPAPRDevice *spapr_vio_find_by_reg(VIOsPAPRBus *bus, uint32_t reg);
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76 | 4040ab72 | David Gibson | extern void spapr_vio_bus_register_withprop(VIOsPAPRDeviceInfo *info); |
77 | 4040ab72 | David Gibson | extern int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt); |
78 | 4040ab72 | David Gibson | |
79 | 00dc738d | David Gibson | extern int spapr_vio_signal(VIOsPAPRDevice *dev, target_ulong mode); |
80 | 00dc738d | David Gibson | |
81 | ee86dfee | David Gibson | int spapr_vio_check_tces(VIOsPAPRDevice *dev, target_ulong ioba,
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82 | ee86dfee | David Gibson | target_ulong len, |
83 | ee86dfee | David Gibson | enum VIOsPAPR_TCEAccess access);
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84 | ee86dfee | David Gibson | |
85 | ee86dfee | David Gibson | int spapr_tce_dma_read(VIOsPAPRDevice *dev, uint64_t taddr,
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86 | ee86dfee | David Gibson | void *buf, uint32_t size);
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87 | ee86dfee | David Gibson | int spapr_tce_dma_write(VIOsPAPRDevice *dev, uint64_t taddr,
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88 | ee86dfee | David Gibson | const void *buf, uint32_t size); |
89 | ee86dfee | David Gibson | int spapr_tce_dma_zero(VIOsPAPRDevice *dev, uint64_t taddr, uint32_t size);
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90 | ee86dfee | David Gibson | void stb_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint8_t val);
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91 | ee86dfee | David Gibson | void sth_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint16_t val);
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92 | ee86dfee | David Gibson | void stw_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint32_t val);
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93 | ee86dfee | David Gibson | void stq_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint64_t val);
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94 | ee86dfee | David Gibson | uint64_t ldq_tce(VIOsPAPRDevice *dev, uint64_t taddr); |
95 | ee86dfee | David Gibson | |
96 | b45d63b6 | Ben Herrenschmidt | int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq);
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97 | b45d63b6 | Ben Herrenschmidt | |
98 | 4040ab72 | David Gibson | void vty_putchars(VIOsPAPRDevice *sdev, uint8_t *buf, int len); |
99 | 4040ab72 | David Gibson | void spapr_vty_create(VIOsPAPRBus *bus,
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100 | 0201e2da | David Gibson | uint32_t reg, CharDriverState *chardev, |
101 | 0201e2da | David Gibson | qemu_irq qirq, uint32_t vio_irq_num); |
102 | 4040ab72 | David Gibson | |
103 | 8d90ad90 | David Gibson | void spapr_vlan_create(VIOsPAPRBus *bus, uint32_t reg, NICInfo *nd,
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104 | 8d90ad90 | David Gibson | qemu_irq qirq, uint32_t vio_irq_num); |
105 | 8d90ad90 | David Gibson | |
106 | 6e270446 | Ben Herrenschmidt | void spapr_vscsi_create(VIOsPAPRBus *bus, uint32_t reg,
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107 | 6e270446 | Ben Herrenschmidt | qemu_irq qirq, uint32_t vio_irq_num); |
108 | 6e270446 | Ben Herrenschmidt | |
109 | 08942ac1 | Ben Herrenschmidt | int spapr_tce_set_bypass(uint32_t unit, uint32_t enable);
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110 | 08942ac1 | Ben Herrenschmidt | void spapr_vio_quiesce(void); |
111 | 08942ac1 | Ben Herrenschmidt | |
112 | 4040ab72 | David Gibson | #endif /* _HW_SPAPR_VIO_H */ |