root / hw / ide / piix.c @ 8ca209ad
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1 | 4c3df0ec | Juan Quintela | /*
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2 | 4c3df0ec | Juan Quintela | * QEMU IDE Emulation: PCI PIIX3/4 support.
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3 | 4c3df0ec | Juan Quintela | *
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4 | 4c3df0ec | Juan Quintela | * Copyright (c) 2003 Fabrice Bellard
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5 | 4c3df0ec | Juan Quintela | * Copyright (c) 2006 Openedhand Ltd.
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6 | 4c3df0ec | Juan Quintela | *
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7 | 4c3df0ec | Juan Quintela | * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 | 4c3df0ec | Juan Quintela | * of this software and associated documentation files (the "Software"), to deal
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9 | 4c3df0ec | Juan Quintela | * in the Software without restriction, including without limitation the rights
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10 | 4c3df0ec | Juan Quintela | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 | 4c3df0ec | Juan Quintela | * copies of the Software, and to permit persons to whom the Software is
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12 | 4c3df0ec | Juan Quintela | * furnished to do so, subject to the following conditions:
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13 | 4c3df0ec | Juan Quintela | *
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14 | 4c3df0ec | Juan Quintela | * The above copyright notice and this permission notice shall be included in
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15 | 4c3df0ec | Juan Quintela | * all copies or substantial portions of the Software.
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16 | 4c3df0ec | Juan Quintela | *
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17 | 4c3df0ec | Juan Quintela | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 | 4c3df0ec | Juan Quintela | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 | 4c3df0ec | Juan Quintela | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 | 4c3df0ec | Juan Quintela | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 | 4c3df0ec | Juan Quintela | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 | 4c3df0ec | Juan Quintela | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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23 | 4c3df0ec | Juan Quintela | * THE SOFTWARE.
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24 | 4c3df0ec | Juan Quintela | */
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25 | 4c3df0ec | Juan Quintela | #include <hw/hw.h> |
26 | 4c3df0ec | Juan Quintela | #include <hw/pc.h> |
27 | 4c3df0ec | Juan Quintela | #include <hw/pci.h> |
28 | 4c3df0ec | Juan Quintela | #include <hw/isa.h> |
29 | 4c3df0ec | Juan Quintela | #include "block.h" |
30 | 4c3df0ec | Juan Quintela | #include "block_int.h" |
31 | 4c3df0ec | Juan Quintela | #include "sysemu.h" |
32 | 4c3df0ec | Juan Quintela | #include "dma.h" |
33 | 4c3df0ec | Juan Quintela | |
34 | 4c3df0ec | Juan Quintela | #include <hw/ide/pci.h> |
35 | 4c3df0ec | Juan Quintela | |
36 | 4c3df0ec | Juan Quintela | static uint32_t bmdma_readb(void *opaque, uint32_t addr) |
37 | 4c3df0ec | Juan Quintela | { |
38 | 4c3df0ec | Juan Quintela | BMDMAState *bm = opaque; |
39 | 4c3df0ec | Juan Quintela | uint32_t val; |
40 | 4c3df0ec | Juan Quintela | |
41 | 4c3df0ec | Juan Quintela | switch(addr & 3) { |
42 | 4c3df0ec | Juan Quintela | case 0: |
43 | 4c3df0ec | Juan Quintela | val = bm->cmd; |
44 | 4c3df0ec | Juan Quintela | break;
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45 | 4c3df0ec | Juan Quintela | case 2: |
46 | 4c3df0ec | Juan Quintela | val = bm->status; |
47 | 4c3df0ec | Juan Quintela | break;
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48 | 4c3df0ec | Juan Quintela | default:
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49 | 4c3df0ec | Juan Quintela | val = 0xff;
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50 | 4c3df0ec | Juan Quintela | break;
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51 | 4c3df0ec | Juan Quintela | } |
52 | 4c3df0ec | Juan Quintela | #ifdef DEBUG_IDE
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53 | 4c3df0ec | Juan Quintela | printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val);
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54 | 4c3df0ec | Juan Quintela | #endif
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55 | 4c3df0ec | Juan Quintela | return val;
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56 | 4c3df0ec | Juan Quintela | } |
57 | 4c3df0ec | Juan Quintela | |
58 | 4c3df0ec | Juan Quintela | static void bmdma_writeb(void *opaque, uint32_t addr, uint32_t val) |
59 | 4c3df0ec | Juan Quintela | { |
60 | 4c3df0ec | Juan Quintela | BMDMAState *bm = opaque; |
61 | 4c3df0ec | Juan Quintela | #ifdef DEBUG_IDE
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62 | 4c3df0ec | Juan Quintela | printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
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63 | 4c3df0ec | Juan Quintela | #endif
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64 | 4c3df0ec | Juan Quintela | switch(addr & 3) { |
65 | 4c3df0ec | Juan Quintela | case 2: |
66 | 4c3df0ec | Juan Quintela | bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06); |
67 | 4c3df0ec | Juan Quintela | break;
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68 | 4c3df0ec | Juan Quintela | } |
69 | 4c3df0ec | Juan Quintela | } |
70 | 4c3df0ec | Juan Quintela | |
71 | 4c3df0ec | Juan Quintela | static void bmdma_map(PCIDevice *pci_dev, int region_num, |
72 | 6e355d90 | Isaku Yamahata | pcibus_t addr, pcibus_t size, int type)
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73 | 4c3df0ec | Juan Quintela | { |
74 | 4c3df0ec | Juan Quintela | PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, pci_dev); |
75 | 4c3df0ec | Juan Quintela | int i;
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76 | 4c3df0ec | Juan Quintela | |
77 | 4c3df0ec | Juan Quintela | for(i = 0;i < 2; i++) { |
78 | 4c3df0ec | Juan Quintela | BMDMAState *bm = &d->bmdma[i]; |
79 | 4c3df0ec | Juan Quintela | d->bus[i].bmdma = bm; |
80 | 4c3df0ec | Juan Quintela | bm->bus = d->bus+i; |
81 | 4c3df0ec | Juan Quintela | qemu_add_vm_change_state_handler(ide_dma_restart_cb, bm); |
82 | 4c3df0ec | Juan Quintela | |
83 | 4c3df0ec | Juan Quintela | register_ioport_write(addr, 1, 1, bmdma_cmd_writeb, bm); |
84 | 4c3df0ec | Juan Quintela | |
85 | 4c3df0ec | Juan Quintela | register_ioport_write(addr + 1, 3, 1, bmdma_writeb, bm); |
86 | 4c3df0ec | Juan Quintela | register_ioport_read(addr, 4, 1, bmdma_readb, bm); |
87 | 4c3df0ec | Juan Quintela | |
88 | 4c3df0ec | Juan Quintela | register_ioport_write(addr + 4, 4, 1, bmdma_addr_writeb, bm); |
89 | 4c3df0ec | Juan Quintela | register_ioport_read(addr + 4, 4, 1, bmdma_addr_readb, bm); |
90 | 4c3df0ec | Juan Quintela | register_ioport_write(addr + 4, 4, 2, bmdma_addr_writew, bm); |
91 | 4c3df0ec | Juan Quintela | register_ioport_read(addr + 4, 4, 2, bmdma_addr_readw, bm); |
92 | 4c3df0ec | Juan Quintela | register_ioport_write(addr + 4, 4, 4, bmdma_addr_writel, bm); |
93 | 4c3df0ec | Juan Quintela | register_ioport_read(addr + 4, 4, 4, bmdma_addr_readl, bm); |
94 | 4c3df0ec | Juan Quintela | addr += 8;
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95 | 4c3df0ec | Juan Quintela | } |
96 | 4c3df0ec | Juan Quintela | } |
97 | 4c3df0ec | Juan Quintela | |
98 | 4c3df0ec | Juan Quintela | static void piix3_reset(void *opaque) |
99 | 4c3df0ec | Juan Quintela | { |
100 | 4c3df0ec | Juan Quintela | PCIIDEState *d = opaque; |
101 | 4c3df0ec | Juan Quintela | uint8_t *pci_conf = d->dev.config; |
102 | 4c3df0ec | Juan Quintela | int i;
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103 | 4c3df0ec | Juan Quintela | |
104 | 4a643563 | Blue Swirl | for (i = 0; i < 2; i++) { |
105 | 4a643563 | Blue Swirl | ide_bus_reset(&d->bus[i]); |
106 | 4a643563 | Blue Swirl | ide_dma_reset(&d->bmdma[i]); |
107 | 4a643563 | Blue Swirl | } |
108 | 4c3df0ec | Juan Quintela | |
109 | 1e68f8c4 | Michael S. Tsirkin | /* TODO: this is the default. do not override. */
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110 | 1e68f8c4 | Michael S. Tsirkin | pci_conf[PCI_COMMAND] = 0x00;
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111 | 1e68f8c4 | Michael S. Tsirkin | /* TODO: this is the default. do not override. */
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112 | 1e68f8c4 | Michael S. Tsirkin | pci_conf[PCI_COMMAND + 1] = 0x00; |
113 | 1e68f8c4 | Michael S. Tsirkin | /* TODO: use pci_set_word */
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114 | 1e68f8c4 | Michael S. Tsirkin | pci_conf[PCI_STATUS] = PCI_STATUS_FAST_BACK; |
115 | 1e68f8c4 | Michael S. Tsirkin | pci_conf[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8; |
116 | 4c3df0ec | Juan Quintela | pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */ |
117 | 4c3df0ec | Juan Quintela | } |
118 | 4c3df0ec | Juan Quintela | |
119 | 4c3df0ec | Juan Quintela | static int pci_piix_ide_initfn(PCIIDEState *d) |
120 | 4c3df0ec | Juan Quintela | { |
121 | 4c3df0ec | Juan Quintela | uint8_t *pci_conf = d->dev.config; |
122 | 4c3df0ec | Juan Quintela | |
123 | 1e68f8c4 | Michael S. Tsirkin | pci_conf[PCI_CLASS_PROG] = 0x80; // legacy ATA mode |
124 | 4c3df0ec | Juan Quintela | pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE); |
125 | 4c3df0ec | Juan Quintela | |
126 | 4c3df0ec | Juan Quintela | qemu_register_reset(piix3_reset, d); |
127 | 4c3df0ec | Juan Quintela | |
128 | 0392a017 | Isaku Yamahata | pci_register_bar(&d->dev, 4, 0x10, PCI_BASE_ADDRESS_SPACE_IO, bmdma_map); |
129 | 4c3df0ec | Juan Quintela | |
130 | 0be71e32 | Alex Williamson | vmstate_register(&d->dev.qdev, 0, &vmstate_ide_pci, d);
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131 | 4c3df0ec | Juan Quintela | |
132 | 4c3df0ec | Juan Quintela | ide_bus_new(&d->bus[0], &d->dev.qdev);
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133 | 4c3df0ec | Juan Quintela | ide_bus_new(&d->bus[1], &d->dev.qdev);
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134 | 4c3df0ec | Juan Quintela | ide_init_ioport(&d->bus[0], 0x1f0, 0x3f6); |
135 | 4c3df0ec | Juan Quintela | ide_init_ioport(&d->bus[1], 0x170, 0x376); |
136 | 4c3df0ec | Juan Quintela | |
137 | 57234ee4 | Markus Armbruster | ide_init2(&d->bus[0], isa_reserve_irq(14)); |
138 | 57234ee4 | Markus Armbruster | ide_init2(&d->bus[1], isa_reserve_irq(15)); |
139 | 4c3df0ec | Juan Quintela | return 0; |
140 | 4c3df0ec | Juan Quintela | } |
141 | 4c3df0ec | Juan Quintela | |
142 | 4c3df0ec | Juan Quintela | static int pci_piix3_ide_initfn(PCIDevice *dev) |
143 | 4c3df0ec | Juan Quintela | { |
144 | 4c3df0ec | Juan Quintela | PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev); |
145 | 4c3df0ec | Juan Quintela | |
146 | 4c3df0ec | Juan Quintela | pci_config_set_vendor_id(d->dev.config, PCI_VENDOR_ID_INTEL); |
147 | 4c3df0ec | Juan Quintela | pci_config_set_device_id(d->dev.config, PCI_DEVICE_ID_INTEL_82371SB_1); |
148 | 4c3df0ec | Juan Quintela | return pci_piix_ide_initfn(d);
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149 | 4c3df0ec | Juan Quintela | } |
150 | 4c3df0ec | Juan Quintela | |
151 | 4c3df0ec | Juan Quintela | static int pci_piix4_ide_initfn(PCIDevice *dev) |
152 | 4c3df0ec | Juan Quintela | { |
153 | 4c3df0ec | Juan Quintela | PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev); |
154 | 4c3df0ec | Juan Quintela | |
155 | 4c3df0ec | Juan Quintela | pci_config_set_vendor_id(d->dev.config, PCI_VENDOR_ID_INTEL); |
156 | 4c3df0ec | Juan Quintela | pci_config_set_device_id(d->dev.config, PCI_DEVICE_ID_INTEL_82371AB); |
157 | 4c3df0ec | Juan Quintela | return pci_piix_ide_initfn(d);
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158 | 4c3df0ec | Juan Quintela | } |
159 | 4c3df0ec | Juan Quintela | |
160 | 4c3df0ec | Juan Quintela | /* hd_table must contain 4 block drivers */
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161 | 4c3df0ec | Juan Quintela | /* NOTE: for the PIIX3, the IRQs and IOports are hardcoded */
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162 | 57c88866 | Markus Armbruster | PCIDevice *pci_piix3_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn)
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163 | 4c3df0ec | Juan Quintela | { |
164 | 4c3df0ec | Juan Quintela | PCIDevice *dev; |
165 | 4c3df0ec | Juan Quintela | |
166 | 556cd098 | Markus Armbruster | dev = pci_create_simple(bus, devfn, "piix3-ide");
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167 | 4c3df0ec | Juan Quintela | pci_ide_create_devs(dev, hd_table); |
168 | 57c88866 | Markus Armbruster | return dev;
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169 | 4c3df0ec | Juan Quintela | } |
170 | 4c3df0ec | Juan Quintela | |
171 | 4c3df0ec | Juan Quintela | /* hd_table must contain 4 block drivers */
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172 | 4c3df0ec | Juan Quintela | /* NOTE: for the PIIX4, the IRQs and IOports are hardcoded */
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173 | 57c88866 | Markus Armbruster | PCIDevice *pci_piix4_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn)
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174 | 4c3df0ec | Juan Quintela | { |
175 | 4c3df0ec | Juan Quintela | PCIDevice *dev; |
176 | 4c3df0ec | Juan Quintela | |
177 | 556cd098 | Markus Armbruster | dev = pci_create_simple(bus, devfn, "piix4-ide");
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178 | 4c3df0ec | Juan Quintela | pci_ide_create_devs(dev, hd_table); |
179 | 57c88866 | Markus Armbruster | return dev;
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180 | 4c3df0ec | Juan Quintela | } |
181 | 4c3df0ec | Juan Quintela | |
182 | 4c3df0ec | Juan Quintela | static PCIDeviceInfo piix_ide_info[] = {
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183 | 4c3df0ec | Juan Quintela | { |
184 | 556cd098 | Markus Armbruster | .qdev.name = "piix3-ide",
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185 | 4c3df0ec | Juan Quintela | .qdev.size = sizeof(PCIIDEState),
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186 | 39a51dfd | Markus Armbruster | .qdev.no_user = 1,
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187 | 4c3df0ec | Juan Quintela | .init = pci_piix3_ide_initfn, |
188 | 4c3df0ec | Juan Quintela | },{ |
189 | 556cd098 | Markus Armbruster | .qdev.name = "piix4-ide",
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190 | 4c3df0ec | Juan Quintela | .qdev.size = sizeof(PCIIDEState),
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191 | 39a51dfd | Markus Armbruster | .qdev.no_user = 1,
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192 | 4c3df0ec | Juan Quintela | .init = pci_piix4_ide_initfn, |
193 | 4c3df0ec | Juan Quintela | },{ |
194 | 4c3df0ec | Juan Quintela | /* end of list */
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195 | 4c3df0ec | Juan Quintela | } |
196 | 4c3df0ec | Juan Quintela | }; |
197 | 4c3df0ec | Juan Quintela | |
198 | 4c3df0ec | Juan Quintela | static void piix_ide_register(void) |
199 | 4c3df0ec | Juan Quintela | { |
200 | 4c3df0ec | Juan Quintela | pci_qdev_register_many(piix_ide_info); |
201 | 4c3df0ec | Juan Quintela | } |
202 | 4c3df0ec | Juan Quintela | device_init(piix_ide_register); |