4 * Copyright (c) 2010 qiaochong@loongson.cn
5 * Copyright (c) 2010 Roland Elek <elek.roland@gmail.com>
6 * Copyright (c) 2010 Sebastian Herbszt <herbszt@gmx.de>
7 * Copyright (c) 2010 Alexander Graf <agraf@suse.de>
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
27 #define AHCI_MEM_BAR_SIZE 0x1000
28 #define AHCI_MAX_PORTS 32
29 #define AHCI_MAX_SG 168 /* hardware max is 64K */
30 #define AHCI_DMA_BOUNDARY 0xffffffff
31 #define AHCI_USE_CLUSTERING 0
32 #define AHCI_MAX_CMDS 32
33 #define AHCI_CMD_SZ 32
34 #define AHCI_CMD_SLOT_SZ (AHCI_MAX_CMDS * AHCI_CMD_SZ)
35 #define AHCI_RX_FIS_SZ 256
36 #define AHCI_CMD_TBL_CDB 0x40
37 #define AHCI_CMD_TBL_HDR_SZ 0x80
38 #define AHCI_CMD_TBL_SZ (AHCI_CMD_TBL_HDR_SZ + (AHCI_MAX_SG * 16))
39 #define AHCI_CMD_TBL_AR_SZ (AHCI_CMD_TBL_SZ * AHCI_MAX_CMDS)
40 #define AHCI_PORT_PRIV_DMA_SZ (AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_AR_SZ + \
43 #define AHCI_IRQ_ON_SG (1 << 31)
44 #define AHCI_CMD_ATAPI (1 << 5)
45 #define AHCI_CMD_WRITE (1 << 6)
46 #define AHCI_CMD_PREFETCH (1 << 7)
47 #define AHCI_CMD_RESET (1 << 8)
48 #define AHCI_CMD_CLR_BUSY (1 << 10)
50 #define RX_FIS_D2H_REG 0x40 /* offset of D2H Register FIS data */
51 #define RX_FIS_SDB 0x58 /* offset of SDB FIS data */
52 #define RX_FIS_UNK 0x60 /* offset of Unknown FIS data */
54 /* global controller registers */
55 #define HOST_CAP 0x00 /* host capabilities */
56 #define HOST_CTL 0x04 /* global host control */
57 #define HOST_IRQ_STAT 0x08 /* interrupt status */
58 #define HOST_PORTS_IMPL 0x0c /* bitmap of implemented ports */
59 #define HOST_VERSION 0x10 /* AHCI spec. version compliancy */
62 #define HOST_CTL_RESET (1 << 0) /* reset controller; self-clear */
63 #define HOST_CTL_IRQ_EN (1 << 1) /* global IRQ enable */
64 #define HOST_CTL_AHCI_EN (1 << 31) /* AHCI enabled */
67 #define HOST_CAP_SSC (1 << 14) /* Slumber capable */
68 #define HOST_CAP_AHCI (1 << 18) /* AHCI only */
69 #define HOST_CAP_CLO (1 << 24) /* Command List Override support */
70 #define HOST_CAP_SSS (1 << 27) /* Staggered Spin-up */
71 #define HOST_CAP_NCQ (1 << 30) /* Native Command Queueing */
72 #define HOST_CAP_64 (1 << 31) /* PCI DAC (64-bit DMA) support */
74 /* registers for each SATA port */
75 #define PORT_LST_ADDR 0x00 /* command list DMA addr */
76 #define PORT_LST_ADDR_HI 0x04 /* command list DMA addr hi */
77 #define PORT_FIS_ADDR 0x08 /* FIS rx buf addr */
78 #define PORT_FIS_ADDR_HI 0x0c /* FIS rx buf addr hi */
79 #define PORT_IRQ_STAT 0x10 /* interrupt status */
80 #define PORT_IRQ_MASK 0x14 /* interrupt enable/disable mask */
81 #define PORT_CMD 0x18 /* port command */
82 #define PORT_TFDATA 0x20 /* taskfile data */
83 #define PORT_SIG 0x24 /* device TF signature */
84 #define PORT_SCR_STAT 0x28 /* SATA phy register: SStatus */
85 #define PORT_SCR_CTL 0x2c /* SATA phy register: SControl */
86 #define PORT_SCR_ERR 0x30 /* SATA phy register: SError */
87 #define PORT_SCR_ACT 0x34 /* SATA phy register: SActive */
88 #define PORT_CMD_ISSUE 0x38 /* command issue */
89 #define PORT_RESERVED 0x3c /* reserved */
91 /* PORT_IRQ_{STAT,MASK} bits */
92 #define PORT_IRQ_COLD_PRES (1 << 31) /* cold presence detect */
93 #define PORT_IRQ_TF_ERR (1 << 30) /* task file error */
94 #define PORT_IRQ_HBUS_ERR (1 << 29) /* host bus fatal error */
95 #define PORT_IRQ_HBUS_DATA_ERR (1 << 28) /* host bus data error */
96 #define PORT_IRQ_IF_ERR (1 << 27) /* interface fatal error */
97 #define PORT_IRQ_IF_NONFATAL (1 << 26) /* interface non-fatal error */
98 #define PORT_IRQ_OVERFLOW (1 << 24) /* xfer exhausted available S/G */
99 #define PORT_IRQ_BAD_PMP (1 << 23) /* incorrect port multiplier */
101 #define PORT_IRQ_PHYRDY (1 << 22) /* PhyRdy changed */
102 #define PORT_IRQ_DEV_ILCK (1 << 7) /* device interlock */
103 #define PORT_IRQ_CONNECT (1 << 6) /* port connect change status */
104 #define PORT_IRQ_SG_DONE (1 << 5) /* descriptor processed */
105 #define PORT_IRQ_UNK_FIS (1 << 4) /* unknown FIS rx'd */
106 #define PORT_IRQ_SDB_FIS (1 << 3) /* Set Device Bits FIS rx'd */
107 #define PORT_IRQ_DMAS_FIS (1 << 2) /* DMA Setup FIS rx'd */
108 #define PORT_IRQ_PIOS_FIS (1 << 1) /* PIO Setup FIS rx'd */
109 #define PORT_IRQ_D2H_REG_FIS (1 << 0) /* D2H Register FIS rx'd */
111 #define PORT_IRQ_FREEZE (PORT_IRQ_HBUS_ERR | PORT_IRQ_IF_ERR | \
112 PORT_IRQ_CONNECT | PORT_IRQ_PHYRDY | \
114 #define PORT_IRQ_ERROR (PORT_IRQ_FREEZE | PORT_IRQ_TF_ERR | \
115 PORT_IRQ_HBUS_DATA_ERR)
116 #define DEF_PORT_IRQ (PORT_IRQ_ERROR | PORT_IRQ_SG_DONE | \
117 PORT_IRQ_SDB_FIS | PORT_IRQ_DMAS_FIS | \
118 PORT_IRQ_PIOS_FIS | PORT_IRQ_D2H_REG_FIS)
121 #define PORT_CMD_ATAPI (1 << 24) /* Device is ATAPI */
122 #define PORT_CMD_LIST_ON (1 << 15) /* cmd list DMA engine running */
123 #define PORT_CMD_FIS_ON (1 << 14) /* FIS DMA engine running */
124 #define PORT_CMD_FIS_RX (1 << 4) /* Enable FIS receive DMA engine */
125 #define PORT_CMD_CLO (1 << 3) /* Command list override */
126 #define PORT_CMD_POWER_ON (1 << 2) /* Power up device */
127 #define PORT_CMD_SPIN_UP (1 << 1) /* Spin up device */
128 #define PORT_CMD_START (1 << 0) /* Enable port DMA engine */
130 #define PORT_CMD_ICC_MASK (0xf << 28) /* i/f ICC state mask */
131 #define PORT_CMD_ICC_ACTIVE (0x1 << 28) /* Put i/f in active state */
132 #define PORT_CMD_ICC_PARTIAL (0x2 << 28) /* Put i/f in partial state */
133 #define PORT_CMD_ICC_SLUMBER (0x6 << 28) /* Put i/f in slumber state */
135 #define PORT_IRQ_STAT_DHRS (1 << 0) /* Device to Host Register FIS */
136 #define PORT_IRQ_STAT_PSS (1 << 1) /* PIO Setup FIS */
137 #define PORT_IRQ_STAT_DSS (1 << 2) /* DMA Setup FIS */
138 #define PORT_IRQ_STAT_SDBS (1 << 3) /* Set Device Bits */
139 #define PORT_IRQ_STAT_UFS (1 << 4) /* Unknown FIS */
140 #define PORT_IRQ_STAT_DPS (1 << 5) /* Descriptor Processed */
141 #define PORT_IRQ_STAT_PCS (1 << 6) /* Port Connect Change Status */
142 #define PORT_IRQ_STAT_DMPS (1 << 7) /* Device Mechanical Presence
144 #define PORT_IRQ_STAT_PRCS (1 << 22) /* File Ready Status */
145 #define PORT_IRQ_STAT_IPMS (1 << 23) /* Incorrect Port Multiplier
147 #define PORT_IRQ_STAT_OFS (1 << 24) /* Overflow Status */
148 #define PORT_IRQ_STAT_INFS (1 << 26) /* Interface Non-Fatal Error
150 #define PORT_IRQ_STAT_IFS (1 << 27) /* Interface Fatal Error */
151 #define PORT_IRQ_STAT_HBDS (1 << 28) /* Host Bus Data Error Status */
152 #define PORT_IRQ_STAT_HBFS (1 << 29) /* Host Bus Fatal Error Status */
153 #define PORT_IRQ_STAT_TFES (1 << 30) /* Task File Error Status */
154 #define PORT_IRQ_STAT_CPDS (1 << 31) /* Code Port Detect Status */
157 #define AHCI_FLAG_NO_NCQ (1 << 24)
158 #define AHCI_FLAG_IGN_IRQ_IF_ERR (1 << 25) /* ignore IRQ_IF_ERR */
159 #define AHCI_FLAG_HONOR_PI (1 << 26) /* honor PORTS_IMPL */
160 #define AHCI_FLAG_IGN_SERR_INTERNAL (1 << 27) /* ignore SERR_INTERNAL */
161 #define AHCI_FLAG_32BIT_ONLY (1 << 28) /* force 32bit */
163 #define ATA_SRST (1 << 2) /* software reset */
166 #define STATE_RESET 1
168 #define SATA_SCR_SSTATUS_DET_NODEV 0x0
169 #define SATA_SCR_SSTATUS_DET_DEV_PRESENT_PHY_UP 0x3
171 #define SATA_SCR_SSTATUS_SPD_NODEV 0x00
172 #define SATA_SCR_SSTATUS_SPD_GEN1 0x10
174 #define SATA_SCR_SSTATUS_IPM_NODEV 0x000
175 #define SATA_SCR_SSTATUS_IPM_ACTIVE 0X100
177 #define AHCI_SCR_SCTL_DET 0xf
179 #define SATA_FIS_TYPE_REGISTER_H2D 0x27
180 #define SATA_FIS_REG_H2D_UPDATE_COMMAND_REGISTER 0x80
182 #define AHCI_CMD_HDR_CMD_FIS_LEN 0x1f
183 #define AHCI_CMD_HDR_PRDT_LEN 16
185 #define SATA_SIGNATURE_CDROM 0xeb140000
186 #define SATA_SIGNATURE_DISK 0x00000101
188 #define AHCI_GENERIC_HOST_CONTROL_REGS_MAX_ADDR 0x20
189 /* Shouldn't this be 0x2c? */
191 #define AHCI_PORT_REGS_START_ADDR 0x100
192 #define AHCI_PORT_ADDR_OFFSET_MASK 0x7f
193 #define AHCI_PORT_ADDR_OFFSET_LEN 0x80
195 #define AHCI_NUM_COMMAND_SLOTS 31
196 #define AHCI_SUPPORTED_SPEED 20
197 #define AHCI_SUPPORTED_SPEED_GEN1 1
198 #define AHCI_VERSION_1_0 0x10000
200 #define AHCI_PROGMODE_MAJOR_REV_1 1
202 #define AHCI_COMMAND_TABLE_ACMD 0x40
204 #define IDE_FEATURE_DMA 1
206 #define READ_FPDMA_QUEUED 0x60
207 #define WRITE_FPDMA_QUEUED 0x61
209 #define RES_FIS_DSFIS 0x00
210 #define RES_FIS_PSFIS 0x20
211 #define RES_FIS_RFIS 0x40
212 #define RES_FIS_SDBFIS 0x58
213 #define RES_FIS_UFIS 0x60
215 #define SATA_CAP_SIZE 0x8
216 #define SATA_CAP_REV 0x2
217 #define SATA_CAP_BAR 0x4
219 typedef struct AHCIControlRegs
{
227 typedef struct AHCIPortRegs
{
229 uint32_t lst_addr_hi
;
231 uint32_t fis_addr_hi
;
246 typedef struct AHCICmdHdr
{
250 uint32_t reserved
[4];
251 } QEMU_PACKED AHCICmdHdr
;
253 typedef struct AHCI_SG
{
257 } QEMU_PACKED AHCI_SG
;
259 typedef struct AHCIDevice AHCIDevice
;
261 typedef struct NCQTransferState
{
263 BlockDriverAIOCB
*aiocb
;
265 BlockAcctCookie acct
;
266 uint16_t sector_count
;
279 AHCIPortRegs port_regs
;
280 struct AHCIState
*hba
;
284 bool done_atapi_packet
;
288 NCQTransferState ncq_tfs
[AHCI_MAX_CMDS
];
291 typedef struct AHCIState
{
293 AHCIControlRegs control_regs
;
295 MemoryRegion idp
; /* Index-Data Pair I/O port space */
296 unsigned idp_offset
; /* Offset of index in I/O port space */
297 uint32_t idp_index
; /* Current IDP index */
303 typedef struct AHCIPCIState
{
308 extern const VMStateDescription vmstate_ahci
;
310 #define VMSTATE_AHCI(_field, _state) { \
311 .name = (stringify(_field)), \
312 .size = sizeof(AHCIState), \
313 .vmsd = &vmstate_ahci, \
314 .flags = VMS_STRUCT, \
315 .offset = vmstate_offset_value(_state, _field, AHCIState), \
318 typedef struct NCQFrame
{
322 uint8_t sector_count_low
;
330 uint8_t sector_count_high
;
339 } QEMU_PACKED NCQFrame
;
341 void ahci_init(AHCIState
*s
, DeviceState
*qdev
, AddressSpace
*as
, int ports
);
342 void ahci_uninit(AHCIState
*s
);
344 void ahci_reset(AHCIState
*s
);
346 #endif /* HW_IDE_AHCI_H */