1 /* 2 * QEMU ICH Emulation 3 * 4 * Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de> 5 * Copyright (c) 2010 Alexander Graf <agraf@suse.de> 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 19 * 20 * 21 * lspci dump of a ICH-9 real device 22 * 23 * 00:1f.2 SATA controller [0106]: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA AHCI Controller [8086:2922] (rev 02) (prog-if 01 [AHCI 1.0]) 24 * Subsystem: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA AHCI Controller [8086:2922] 25 * Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ 26 * Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- 27 * Latency: 0 28 * Interrupt: pin B routed to IRQ 222 29 * Region 0: I/O ports at d000 [size=8] 30 * Region 1: I/O ports at cc00 [size=4] 31 * Region 2: I/O ports at c880 [size=8] 32 * Region 3: I/O ports at c800 [size=4] 33 * Region 4: I/O ports at c480 [size=32] 34 * Region 5: Memory at febf9000 (32-bit, non-prefetchable) [size=2K] 35 * Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Count=1/16 Enable+ 36 * Address: fee0f00c Data: 41d9 37 * Capabilities: [70] Power Management version 3 38 * Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold-) 39 * Status: D0 PME-Enable- DSel=0 DScale=0 PME- 40 * Capabilities: [a8] SATA HBA <?> 41 * Capabilities: [b0] Vendor Specific Information <?> 42 * Kernel driver in use: ahci 43 * Kernel modules: ahci 44 * 00: 86 80 22 29 07 04 b0 02 02 01 06 01 00 00 00 00 45 * 10: 01 d0 00 00 01 cc 00 00 81 c8 00 00 01 c8 00 00 46 * 20: 81 c4 00 00 00 90 bf fe 00 00 00 00 86 80 22 29 47 * 30: 00 00 00 00 80 00 00 00 00 00 00 00 0f 02 00 00 48 * 40: 00 80 00 80 00 00 00 00 00 00 00 00 00 00 00 00 49 * 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 50 * 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 * 70: 01 a8 03 40 08 00 00 00 00 00 00 00 00 00 00 00 52 * 80: 05 70 09 00 0c f0 e0 fe d9 41 00 00 00 00 00 00 53 * 90: 40 00 0f 82 93 01 00 00 00 00 00 00 00 00 00 00 54 * a0: ac 00 00 00 0a 00 12 00 12 b0 10 00 48 00 00 00 55 * b0: 09 00 06 20 00 00 00 00 00 00 00 00 00 00 00 00 56 * c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 57 * d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 58 * e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 59 * f0: 00 00 00 00 00 00 00 00 86 0f 02 00 00 00 00 00 60 * 61 */ 62 63 #include <hw/hw.h> 64 #include <hw/msi.h> 65 #include <hw/pc.h> 66 #include <hw/pci.h> 67 #include <hw/isa.h> 68 #include "block.h" 69 #include "dma.h" 70 71 #include <hw/ide/pci.h> 72 #include <hw/ide/ahci.h> 73 74 #define ICH9_SATA_CAP_OFFSET 0xA8 75 76 #define ICH9_IDP_BAR 4 77 #define ICH9_MEM_BAR 5 78 79 #define ICH9_IDP_INDEX 0x10 80 #define ICH9_IDP_INDEX_LOG2 0x04 81 82 static const VMStateDescription vmstate_ahci = { 83 .name = "ahci", 84 .unmigratable = 1, 85 }; 86 87 static int pci_ich9_ahci_init(PCIDevice *dev) 88 { 89 struct AHCIPCIState *d; 90 int sata_cap_offset; 91 uint8_t *sata_cap; 92 d = DO_UPCAST(struct AHCIPCIState, card, dev); 93 94 ahci_init(&d->ahci, &dev->qdev, 6); 95 96 pci_config_set_prog_interface(d->card.config, AHCI_PROGMODE_MAJOR_REV_1); 97 98 d->card.config[PCI_CACHE_LINE_SIZE] = 0x08; /* Cache line size */ 99 d->card.config[PCI_LATENCY_TIMER] = 0x00; /* Latency timer */ 100 pci_config_set_interrupt_pin(d->card.config, 1); 101 102 /* XXX Software should program this register */ 103 d->card.config[0x90] = 1 << 6; /* Address Map Register - AHCI mode */ 104 105 qemu_register_reset(ahci_reset, d); 106 107 msi_init(dev, 0x50, 1, true, false); 108 d->ahci.irq = d->card.irq[0]; 109 110 pci_register_bar(&d->card, ICH9_IDP_BAR, PCI_BASE_ADDRESS_SPACE_IO, 111 &d->ahci.idp); 112 pci_register_bar(&d->card, ICH9_MEM_BAR, PCI_BASE_ADDRESS_SPACE_MEMORY, 113 &d->ahci.mem); 114 115 sata_cap_offset = pci_add_capability(&d->card, PCI_CAP_ID_SATA, 116 ICH9_SATA_CAP_OFFSET, SATA_CAP_SIZE); 117 if (sata_cap_offset < 0) { 118 return sata_cap_offset; 119 } 120 121 sata_cap = d->card.config + sata_cap_offset; 122 pci_set_word(sata_cap + SATA_CAP_REV, 0x10); 123 pci_set_long(sata_cap + SATA_CAP_BAR, 124 (ICH9_IDP_BAR + 0x4) | (ICH9_IDP_INDEX_LOG2 << 4)); 125 d->ahci.idp_offset = ICH9_IDP_INDEX; 126 127 return 0; 128 } 129 130 static int pci_ich9_uninit(PCIDevice *dev) 131 { 132 struct AHCIPCIState *d; 133 d = DO_UPCAST(struct AHCIPCIState, card, dev); 134 135 msi_uninit(dev); 136 qemu_unregister_reset(ahci_reset, d); 137 ahci_uninit(&d->ahci); 138 139 return 0; 140 } 141 142 static void pci_ich9_write_config(PCIDevice *pci, uint32_t addr, 143 uint32_t val, int len) 144 { 145 pci_default_write_config(pci, addr, val, len); 146 msi_write_config(pci, addr, val, len); 147 } 148 149 static PCIDeviceInfo ich_ahci_info[] = { 150 { 151 .qdev.name = "ich9-ahci", 152 .qdev.alias = "ahci", 153 .qdev.size = sizeof(AHCIPCIState), 154 .qdev.vmsd = &vmstate_ahci, 155 .init = pci_ich9_ahci_init, 156 .exit = pci_ich9_uninit, 157 .config_write = pci_ich9_write_config, 158 .vendor_id = PCI_VENDOR_ID_INTEL, 159 .device_id = PCI_DEVICE_ID_INTEL_82801IR, 160 .revision = 0x02, 161 .class_id = PCI_CLASS_STORAGE_SATA, 162 },{ 163 /* end of list */ 164 } 165 }; 166 167 static void ich_ahci_register(void) 168 { 169 pci_qdev_register_many(ich_ahci_info); 170 } 171 device_init(ich_ahci_register); 172