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