2 * Copyright (c) 1998 - 2006 Søren Schmidt <sos@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 * $FreeBSD: src/sys/dev/ata/ata-all.h,v 1.118 2006/06/28 09:59:09 sos Exp $
27 * $DragonFly: src/sys/dev/disk/nata/ata-all.h,v 1.5 2007/06/01 00:31:14 dillon Exp $
30 #include <sys/param.h>
33 #include <sys/callout.h>
34 #include <sys/kernel.h>
35 #include <sys/malloc.h>
37 #include <sys/objcache.h>
38 #include <sys/queue.h>
40 #include <sys/spinlock.h>
41 #include <sys/systm.h>
42 #include <sys/taskqueue.h>
44 #include <machine/bus_dma.h>
46 /* ATA register defines */
47 #define ATA_DATA 0 /* (RW) data */
49 #define ATA_FEATURE 1 /* (W) feature */
50 #define ATA_F_DMA 0x01 /* enable DMA */
51 #define ATA_F_OVL 0x02 /* enable overlap */
53 #define ATA_COUNT 2 /* (W) sector count */
55 #define ATA_SECTOR 3 /* (RW) sector # */
56 #define ATA_CYL_LSB 4 /* (RW) cylinder# LSB */
57 #define ATA_CYL_MSB 5 /* (RW) cylinder# MSB */
58 #define ATA_DRIVE 6 /* (W) Sector/Drive/Head */
59 #define ATA_D_LBA 0x40 /* use LBA addressing */
60 #define ATA_D_IBM 0xa0 /* 512 byte sectors, ECC */
62 #define ATA_COMMAND 7 /* (W) command */
64 #define ATA_ERROR 8 /* (R) error */
65 #define ATA_E_ILI 0x01 /* illegal length */
66 #define ATA_E_NM 0x02 /* no media */
67 #define ATA_E_ABORT 0x04 /* command aborted */
68 #define ATA_E_MCR 0x08 /* media change request */
69 #define ATA_E_IDNF 0x10 /* ID not found */
70 #define ATA_E_MC 0x20 /* media changed */
71 #define ATA_E_UNC 0x40 /* uncorrectable data */
72 #define ATA_E_ICRC 0x80 /* UDMA crc error */
73 #define ATA_E_ATAPI_SENSE_MASK 0xf0 /* ATAPI sense key mask */
75 #define ATA_IREASON 9 /* (R) interrupt reason */
76 #define ATA_I_CMD 0x01 /* cmd (1) | data (0) */
77 #define ATA_I_IN 0x02 /* read (1) | write (0) */
78 #define ATA_I_RELEASE 0x04 /* released bus (1) */
79 #define ATA_I_TAGMASK 0xf8 /* tag mask */
81 #define ATA_STATUS 10 /* (R) status */
82 #define ATA_ALTSTAT 11 /* (R) alternate status */
83 #define ATA_S_ERROR 0x01 /* error */
84 #define ATA_S_INDEX 0x02 /* index */
85 #define ATA_S_CORR 0x04 /* data corrected */
86 #define ATA_S_DRQ 0x08 /* data request */
87 #define ATA_S_DSC 0x10 /* drive seek completed */
88 #define ATA_S_SERVICE 0x10 /* drive needs service */
89 #define ATA_S_DWF 0x20 /* drive write fault */
90 #define ATA_S_DMA 0x20 /* DMA ready */
91 #define ATA_S_READY 0x40 /* drive ready */
92 #define ATA_S_BUSY 0x80 /* busy */
94 #define ATA_CONTROL 12 /* (W) control */
96 #define ATA_CTLOFFSET 0x206 /* control register offset */
97 #define ATA_PCCARD_CTLOFFSET 0x0e /* do for PCCARD devices */
98 #define ATA_PC98_CTLOFFSET 0x10c /* do for PC98 devices */
99 #define ATA_A_IDS 0x02 /* disable interrupts */
100 #define ATA_A_RESET 0x04 /* RESET controller */
101 #define ATA_A_4BIT 0x08 /* 4 head bits */
102 #define ATA_A_HOB 0x80 /* High Order Byte enable */
104 /* SATA register defines */
105 #define ATA_SSTATUS 13
106 #define ATA_SS_DET_MASK 0x0000000f
107 #define ATA_SS_DET_NO_DEVICE 0x00000000
108 #define ATA_SS_DET_DEV_PRESENT 0x00000001
109 #define ATA_SS_DET_PHY_ONLINE 0x00000003
110 #define ATA_SS_DET_PHY_OFFLINE 0x00000004
112 #define ATA_SS_SPD_MASK 0x000000f0
113 #define ATA_SS_SPD_NO_SPEED 0x00000000
114 #define ATA_SS_SPD_GEN1 0x00000010
115 #define ATA_SS_SPD_GEN2 0x00000020
117 #define ATA_SS_IPM_MASK 0x00000f00
118 #define ATA_SS_IPM_NO_DEVICE 0x00000000
119 #define ATA_SS_IPM_ACTIVE 0x00000100
120 #define ATA_SS_IPM_PARTIAL 0x00000200
121 #define ATA_SS_IPM_SLUMBER 0x00000600
123 #define ATA_SS_CONWELL_MASK \
124 (ATA_SS_DET_MASK|ATA_SS_SPD_MASK|ATA_SS_IPM_MASK)
125 #define ATA_SS_CONWELL_GEN1 \
126 (ATA_SS_DET_PHY_ONLINE|ATA_SS_SPD_GEN1|ATA_SS_IPM_ACTIVE)
127 #define ATA_SS_CONWELL_GEN2 \
128 (ATA_SS_DET_PHY_ONLINE|ATA_SS_SPD_GEN2|ATA_SS_IPM_ACTIVE)
130 #define ATA_SERROR 14
131 #define ATA_SE_DATA_CORRECTED 0x00000001
132 #define ATA_SE_COMM_CORRECTED 0x00000002
133 #define ATA_SE_DATA_ERR 0x00000100
134 #define ATA_SE_COMM_ERR 0x00000200
135 #define ATA_SE_PROT_ERR 0x00000400
136 #define ATA_SE_HOST_ERR 0x00000800
137 #define ATA_SE_PHY_CHANGED 0x00010000
138 #define ATA_SE_PHY_IERROR 0x00020000
139 #define ATA_SE_COMM_WAKE 0x00040000
140 #define ATA_SE_DECODE_ERR 0x00080000
141 #define ATA_SE_PARITY_ERR 0x00100000
142 #define ATA_SE_CRC_ERR 0x00200000
143 #define ATA_SE_HANDSHAKE_ERR 0x00400000
144 #define ATA_SE_LINKSEQ_ERR 0x00800000
145 #define ATA_SE_TRANSPORT_ERR 0x01000000
146 #define ATA_SE_UNKNOWN_FIS 0x02000000
148 #define ATA_SCONTROL 15
149 #define ATA_SC_DET_MASK 0x0000000f
150 #define ATA_SC_DET_IDLE 0x00000000
151 #define ATA_SC_DET_RESET 0x00000001
152 #define ATA_SC_DET_DISABLE 0x00000004
154 #define ATA_SC_SPD_MASK 0x000000f0
155 #define ATA_SC_SPD_NO_SPEED 0x00000000
156 #define ATA_SC_SPD_SPEED_GEN1 0x00000010
157 #define ATA_SC_SPD_SPEED_GEN2 0x00000020
159 #define ATA_SC_IPM_MASK 0x00000f00
160 #define ATA_SC_IPM_NONE 0x00000000
161 #define ATA_SC_IPM_DIS_PARTIAL 0x00000100
162 #define ATA_SC_IPM_DIS_SLUMBER 0x00000200
164 #define ATA_SACTIVE 16
166 /* SATA AHCI v1.0 register defines */
167 #define ATA_AHCI_CAP 0x00
168 #define ATA_AHCI_NPMASK 0x1f
169 #define ATA_AHCI_CAP_CLO 0x01000000
170 #define ATA_AHCI_CAP_64BIT 0x80000000
172 #define ATA_AHCI_GHC 0x04
173 #define ATA_AHCI_GHC_AE 0x80000000
174 #define ATA_AHCI_GHC_IE 0x00000002
175 #define ATA_AHCI_GHC_HR 0x80000001
177 #define ATA_AHCI_IS 0x08
178 #define ATA_AHCI_PI 0x0c
179 #define ATA_AHCI_VS 0x10
181 #define ATA_AHCI_OFFSET 0x80
183 #define ATA_AHCI_P_CLB 0x100
184 #define ATA_AHCI_P_CLBU 0x104
185 #define ATA_AHCI_P_FB 0x108
186 #define ATA_AHCI_P_FBU 0x10c
187 #define ATA_AHCI_P_IS 0x110
188 #define ATA_AHCI_P_IE 0x114
189 #define ATA_AHCI_P_IX_DHR 0x00000001
190 #define ATA_AHCI_P_IX_PS 0x00000002
191 #define ATA_AHCI_P_IX_DS 0x00000004
192 #define ATA_AHCI_P_IX_SDB 0x00000008
193 #define ATA_AHCI_P_IX_UF 0x00000010
194 #define ATA_AHCI_P_IX_DP 0x00000020
195 #define ATA_AHCI_P_IX_PC 0x00000040
196 #define ATA_AHCI_P_IX_DI 0x00000080
198 #define ATA_AHCI_P_IX_PRC 0x00400000
199 #define ATA_AHCI_P_IX_IPM 0x00800000
200 #define ATA_AHCI_P_IX_OF 0x01000000
201 #define ATA_AHCI_P_IX_INF 0x04000000
202 #define ATA_AHCI_P_IX_IF 0x08000000
203 #define ATA_AHCI_P_IX_HBD 0x10000000
204 #define ATA_AHCI_P_IX_HBF 0x20000000
205 #define ATA_AHCI_P_IX_TFE 0x40000000
206 #define ATA_AHCI_P_IX_CPD 0x80000000
208 #define ATA_AHCI_P_CMD 0x118
209 #define ATA_AHCI_P_CMD_ST 0x00000001
210 #define ATA_AHCI_P_CMD_SUD 0x00000002
211 #define ATA_AHCI_P_CMD_POD 0x00000004
212 #define ATA_AHCI_P_CMD_CLO 0x00000008
213 #define ATA_AHCI_P_CMD_FRE 0x00000010
214 #define ATA_AHCI_P_CMD_CCS_MASK 0x00001f00
215 #define ATA_AHCI_P_CMD_ISS 0x00002000
216 #define ATA_AHCI_P_CMD_FR 0x00004000
217 #define ATA_AHCI_P_CMD_CR 0x00008000
218 #define ATA_AHCI_P_CMD_CPS 0x00010000
219 #define ATA_AHCI_P_CMD_PMA 0x00020000
220 #define ATA_AHCI_P_CMD_HPCP 0x00040000
221 #define ATA_AHCI_P_CMD_ISP 0x00080000
222 #define ATA_AHCI_P_CMD_CPD 0x00100000
223 #define ATA_AHCI_P_CMD_ATAPI 0x01000000
224 #define ATA_AHCI_P_CMD_DLAE 0x02000000
225 #define ATA_AHCI_P_CMD_ALPE 0x04000000
226 #define ATA_AHCI_P_CMD_ASP 0x08000000
227 #define ATA_AHCI_P_CMD_ICC_MASK 0xf0000000
228 #define ATA_AHCI_P_CMD_NOOP 0x00000000
229 #define ATA_AHCI_P_CMD_ACTIVE 0x10000000
230 #define ATA_AHCI_P_CMD_PARTIAL 0x20000000
231 #define ATA_AHCI_P_CMD_SLUMPER 0x60000000
233 #define ATA_AHCI_P_TFD 0x120
234 #define ATA_AHCI_P_SIG 0x124
235 #define ATA_AHCI_P_SSTS 0x128
236 #define ATA_AHCI_P_SCTL 0x12c
237 #define ATA_AHCI_P_SERR 0x130
238 #define ATA_AHCI_P_SACT 0x134
239 #define ATA_AHCI_P_CI 0x138
241 #define ATA_AHCI_CL_SIZE 32
242 #define ATA_AHCI_CL_OFFSET 0
243 #define ATA_AHCI_FB_OFFSET 1024
244 #define ATA_AHCI_CT_OFFSET 1024+256
245 #define ATA_AHCI_CT_SG_OFFSET 128
246 #define ATA_AHCI_CT_SIZE 256
248 struct ata_ahci_dma_prd {
251 u_int32_t dbc; /* 0 based */
252 #define ATA_AHCI_PRD_MASK 0x003fffff /* max 4MB */
253 #define ATA_AHCI_PRD_IPC (1<<31)
256 struct ata_ahci_cmd_tab {
259 u_int8_t reserved[32];
260 struct ata_ahci_dma_prd prd_tab[16];
263 struct ata_ahci_cmd_list {
265 u_int16_t prd_length; /* PRD entries */
267 u_int64_t cmd_table_phys; /* 128byte aligned */
270 /* DMA register defines */
271 #define ATA_DMA_ENTRIES 256
272 #define ATA_DMA_EOT 0x80000000
274 #define ATA_BMCMD_PORT 17
275 #define ATA_BMCMD_START_STOP 0x01
276 #define ATA_BMCMD_WRITE_READ 0x08
278 #define ATA_BMDEVSPEC_0 18
279 #define ATA_BMSTAT_PORT 19
280 #define ATA_BMSTAT_ACTIVE 0x01
281 #define ATA_BMSTAT_ERROR 0x02
282 #define ATA_BMSTAT_INTERRUPT 0x04
283 #define ATA_BMSTAT_MASK 0x07
284 #define ATA_BMSTAT_DMA_MASTER 0x20
285 #define ATA_BMSTAT_DMA_SLAVE 0x40
286 #define ATA_BMSTAT_DMA_SIMPLEX 0x80
288 #define ATA_BMDEVSPEC_1 20
289 #define ATA_BMDTP_PORT 21
291 #define ATA_IDX_ADDR 22
292 #define ATA_IDX_DATA 23
293 #define ATA_MAX_RES 24
296 #define ATA_PRIMARY 0x1f0
297 #define ATA_SECONDARY 0x170
298 #define ATA_PC98_BANK 0x432
299 #define ATA_IOSIZE 0x08
300 #define ATA_PC98_IOSIZE 0x10
301 #define ATA_CTLIOSIZE 0x01
302 #define ATA_BMIOSIZE 0x08
303 #define ATA_PC98_BANKIOSIZE 0x01
304 #define ATA_IOADDR_RID 0
305 #define ATA_CTLADDR_RID 1
306 #define ATA_BMADDR_RID 0x20
307 #define ATA_PC98_CTLADDR_RID 8
308 #define ATA_PC98_BANKADDR_RID 9
309 #define ATA_IRQ_RID 0
310 #define ATA_DEV(device) ((device == ATA_MASTER) ? 0 : 1)
311 #define ATA_CFA_MAGIC1 0x844A
312 #define ATA_CFA_MAGIC2 0x848A
313 #define ATAPI_MAGIC_LSB 0x14
314 #define ATAPI_MAGIC_MSB 0xeb
315 #define ATAPI_P_READ (ATA_S_DRQ | ATA_I_IN)
316 #define ATAPI_P_WRITE (ATA_S_DRQ)
317 #define ATAPI_P_CMDOUT (ATA_S_DRQ | ATA_I_CMD)
318 #define ATAPI_P_DONEDRQ (ATA_S_DRQ | ATA_I_CMD | ATA_I_IN)
319 #define ATAPI_P_DONE (ATA_I_CMD | ATA_I_IN)
320 #define ATAPI_P_ABORT 0
321 #define ATA_INTR_FLAGS (INTR_MPSAFE|INTR_NOPOLL)
322 #define ATA_OP_CONTINUES 0
323 #define ATA_OP_FINISHED 1
324 #define ATA_MAX_28BIT_LBA 268435455UL
326 /* structure used for composite atomic operations */
327 #define MAX_COMPOSITES 32 /* u_int32_t bits */
328 struct ata_composite {
329 struct spinlock lock; /* control lock */
330 u_int32_t rd_needed; /* needed read subdisks */
331 u_int32_t rd_done; /* done read subdisks */
332 u_int32_t wr_needed; /* needed write subdisks */
333 u_int32_t wr_depend; /* write depends on subdisks */
334 u_int32_t wr_done; /* done write subdisks */
335 struct ata_request *request[MAX_COMPOSITES];
336 u_int32_t residual; /* bytes still to transfer */
341 /* structure used to queue an ATA/ATAPI request */
343 device_t dev; /* device handle */
344 device_t parent; /* channel handle */
347 u_int8_t command; /* command reg */
348 u_int16_t feature; /* feature reg */
349 u_int16_t count; /* count reg */
350 u_int64_t lba; /* lba reg */
353 u_int8_t ccb[16]; /* ATAPI command block */
354 struct atapi_sense sense; /* ATAPI request sense data */
355 u_int8_t saved_cmd; /* ATAPI saved command */
358 u_int32_t bytecount; /* bytes to transfer */
359 u_int32_t transfersize; /* bytes pr transfer */
360 caddr_t data; /* pointer to data buf */
362 #define ATA_R_CONTROL 0x00000001
363 #define ATA_R_READ 0x00000002
364 #define ATA_R_WRITE 0x00000004
365 #define ATA_R_ATAPI 0x00000008
366 #define ATA_R_DMA 0x00000010
367 #define ATA_R_QUIET 0x00000020
368 #define ATA_R_TIMEOUT 0x00000040
369 #define ATA_R_COMPLETED 0x00000080
371 #define ATA_R_ORDERED 0x00000100
372 #define ATA_R_AT_HEAD 0x00000200
373 #define ATA_R_REQUEUE 0x00000400
374 #define ATA_R_THREAD 0x00000800
375 #define ATA_R_DIRECT 0x00001000
377 #define ATA_R_DEBUG 0x10000000
378 #define ATA_R_DANGER1 0x20000000
379 #define ATA_R_DANGER2 0x40000000
381 u_int8_t status; /* ATA status */
382 u_int8_t error; /* ATA error */
383 u_int8_t dmastat; /* DMA status */
384 u_int32_t donecount; /* bytes transferred */
385 int result; /* result error code */
386 void (*callback)(struct ata_request *request);
387 struct spinlock done; /* request done sema */
388 int retries; /* retry count */
389 int timeout; /* timeout for this cmd */
390 struct callout callout; /* callout management */
391 struct task task; /* task management */
392 struct bio *bio; /* bio for this request */
393 int this; /* this request ID */
394 struct ata_composite *composite; /* for composite atomic ops */
395 void *driver; /* driver specific */
396 TAILQ_ENTRY(ata_request) chain; /* list management */
399 /* define this for debugging request processing */
401 #define ATA_DEBUG_RQ(request, string) \
403 if (request->flags & ATA_R_DEBUG) \
404 device_printf(request->dev, "req=%p %s " string "\n", \
405 request, ata_cmd2str(request)); \
408 #define ATA_DEBUG_RQ(request, string)
412 /* structure describing an ATA/ATAPI device */
414 device_t dev; /* device handle */
415 int unit; /* physical unit */
416 #define ATA_MASTER 0x00
417 #define ATA_SLAVE 0x10
419 struct ata_params param; /* ata param structure */
420 int mode; /* current transfermode */
421 u_int32_t max_iosize; /* max IO size */
423 #define ATA_D_USE_CHS 0x0001
424 #define ATA_D_MEDIA_CHANGED 0x0002
425 #define ATA_D_ENC_PRESENT 0x0004
426 #define ATA_D_48BIT_ACTIVE 0x0008
429 /* structure for holding DMA Physical Region Descriptors (PRD) entries */
430 struct ata_dma_prdentry {
435 /* structure used by the setprd function */
436 struct ata_dmasetprd_args {
442 /* structure holding DMA related information */
444 bus_dma_tag_t dmatag; /* parent DMA tag */
445 bus_dma_tag_t sg_tag; /* SG list DMA tag */
446 bus_dmamap_t sg_map; /* SG list DMA map */
447 void *sg; /* DMA transfer table */
448 bus_addr_t sg_bus; /* bus address of dmatab */
449 bus_dma_tag_t data_tag; /* data DMA tag */
450 bus_dmamap_t data_map; /* data DMA map */
451 bus_dma_tag_t work_tag; /* workspace DMA tag */
452 bus_dmamap_t work_map; /* workspace DMA map */
453 u_int8_t *work; /* workspace */
454 bus_addr_t work_bus; /* bus address of dmatab */
456 u_int32_t alignment; /* DMA SG list alignment */
457 u_int32_t boundary; /* DMA SG list boundary */
458 u_int32_t segsize; /* DMA SG list segment size */
459 u_int32_t max_iosize; /* DMA data max IO size */
460 u_int32_t cur_iosize; /* DMA data current IO size */
461 u_int64_t max_address; /* highest DMA'able address */
463 #define ATA_DMA_READ 0x01 /* transaction is a read */
464 #define ATA_DMA_LOADED 0x02 /* DMA tables etc loaded */
465 #define ATA_DMA_ACTIVE 0x04 /* DMA transfer in progress */
467 void (*alloc)(device_t dev);
468 void (*free)(device_t dev);
469 void (*setprd)(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
470 int (*load)(device_t dev, caddr_t data, int32_t count, int dir, void *addr, int *nsegs);
471 int (*unload)(device_t dev);
472 int (*start)(device_t dev);
473 int (*stop)(device_t dev);
474 void (*reset)(device_t dev);
477 /* structure holding lowlevel functions */
478 struct ata_lowlevel {
479 int (*status)(device_t dev);
480 int (*begin_transaction)(struct ata_request *request);
481 int (*end_transaction)(struct ata_request *request);
482 int (*command)(struct ata_request *request);
485 /* structure holding resources for an ATA channel */
486 struct ata_resource {
487 struct resource *res;
491 /* structure describing an ATA channel */
493 device_t dev; /* device handle */
494 int unit; /* physical channel */
495 struct ata_resource r_io[ATA_MAX_RES];/* I/O resources */
496 struct resource *r_irq; /* interrupt of this channel */
497 void *ih; /* interrupt handle */
498 struct ata_lowlevel hw; /* lowlevel HW functions */
499 struct ata_dma *dma; /* DMA data / functions */
500 int flags; /* channel flags */
501 #define ATA_NO_SLAVE 0x01
502 #define ATA_USE_16BIT 0x02
503 #define ATA_ATAPI_DMA_RO 0x04
504 #define ATA_NO_48BIT_DMA 0x08
505 #define ATA_ALWAYS_DMASTAT 0x10
507 int devices; /* what is present */
508 #define ATA_ATA_MASTER 0x01
509 #define ATA_ATA_SLAVE 0x02
510 #define ATA_ATAPI_MASTER 0x04
511 #define ATA_ATAPI_SLAVE 0x08
512 #define ATA_PORTMULTIPLIER 0x10
514 struct spinlock state_mtx; /* state lock */
515 int state; /* ATA channel state */
516 #define ATA_IDLE 0x0000
517 #define ATA_ACTIVE 0x0001
518 #define ATA_STALL_QUEUE 0x0002
520 struct spinlock queue_mtx; /* queue lock */
521 TAILQ_HEAD(, ata_request) ata_queue; /* head of ATA queue */
522 struct ata_request *freezepoint; /* composite freezepoint */
523 struct ata_request *running; /* currently running request */
526 /* disk bay/enclosure related */
527 #define ATA_LED_OFF 0x00
528 #define ATA_LED_RED 0x01
529 #define ATA_LED_GREEN 0x02
530 #define ATA_LED_ORANGE 0x03
531 #define ATA_LED_MASK 0x03
534 extern int (*ata_raid_ioctl_func)(u_long cmd, caddr_t data);
535 extern struct intr_config_hook *ata_delayed_attach;
536 extern devclass_t ata_devclass;
539 /* public prototypes */
541 int ata_probe(device_t dev);
542 int ata_attach(device_t dev);
543 int ata_detach(device_t dev);
544 int ata_reinit(device_t dev);
545 int ata_suspend(device_t dev);
546 int ata_resume(device_t dev);
547 int ata_interrupt(void *data);
548 int ata_device_ioctl(device_t dev, u_long cmd, caddr_t data);
549 int ata_identify(device_t dev);
550 void ata_default_registers(device_t dev);
551 void ata_modify_if_48bit(struct ata_request *request);
552 void ata_udelay(int interval);
553 char *ata_mode2str(int mode);
554 int ata_pmode(struct ata_params *ap);
555 int ata_wmode(struct ata_params *ap);
556 int ata_umode(struct ata_params *ap);
557 int ata_limit_mode(device_t dev, int mode, int maxmode);
560 int ata_controlcmd(device_t dev, u_int8_t command, u_int16_t feature, u_int64_t lba, u_int16_t count);
561 int ata_atapicmd(device_t dev, u_int8_t *ccb, caddr_t data, int count, int flags, int timeout);
562 void ata_queue_request(struct ata_request *request);
563 void ata_start(device_t dev);
564 void ata_finish(struct ata_request *request);
565 void ata_timeout(struct ata_request *);
566 void ata_catch_inflight(device_t dev);
567 void ata_fail_requests(device_t dev);
568 char *ata_cmd2str(struct ata_request *request);
570 /* ata-lowlevel.c: */
571 void ata_generic_hw(device_t dev);
572 int ata_begin_transaction(struct ata_request *);
573 int ata_end_transaction(struct ata_request *);
574 void ata_generic_reset(device_t dev);
575 int ata_generic_command(struct ata_request *request);
577 /* macros for alloc/free of struct ata_request */
578 extern struct objcache *ata_request_cache;
579 #define ata_alloc_request() objcache_get(ata_request_cache, M_WAITOK)
580 /* zero the object so objects in the cache are guaranteed to be zero'ed */
581 #define ata_free_request(request) { \
582 if (!(request->flags & ATA_R_DANGER2)) { \
583 bzero(request, sizeof(struct ata_request)); \
584 objcache_put(ata_request_cache, request); \
587 /* macros for alloc/free of struct ata_composite */
588 extern struct objcache *ata_composite_cache;
589 #define ata_alloc_composite() objcache_get(ata_composite_cache, M_WAITOK)
590 /* zero the object so objects in the cache are guaranteed to be zero'ed */
591 #define ata_free_composite(composite) { \
592 bzero(composite, sizeof(struct ata_composite)); \
593 objcache_put(ata_composite_cache, composite); \
596 MALLOC_DECLARE(M_ATA);
598 /* misc newbus defines */
599 #define GRANDPARENT(dev) device_get_parent(device_get_parent(dev))
601 /* macros to hide busspace uglyness */
602 #define ATA_INB(res, offset) \
603 bus_space_read_1(rman_get_bustag((res)), \
604 rman_get_bushandle((res)), (offset))
606 #define ATA_INW(res, offset) \
607 bus_space_read_2(rman_get_bustag((res)), \
608 rman_get_bushandle((res)), (offset))
609 #define ATA_INL(res, offset) \
610 bus_space_read_4(rman_get_bustag((res)), \
611 rman_get_bushandle((res)), (offset))
612 #define ATA_INSW(res, offset, addr, count) \
613 bus_space_read_multi_2(rman_get_bustag((res)), \
614 rman_get_bushandle((res)), \
615 (offset), (addr), (count))
616 #define ATA_INSW_STRM(res, offset, addr, count) \
617 bus_space_read_multi_stream_2(rman_get_bustag((res)), \
618 rman_get_bushandle((res)), \
619 (offset), (addr), (count))
620 #define ATA_INSL(res, offset, addr, count) \
621 bus_space_read_multi_4(rman_get_bustag((res)), \
622 rman_get_bushandle((res)), \
623 (offset), (addr), (count))
624 #define ATA_INSL_STRM(res, offset, addr, count) \
625 bus_space_read_multi_stream_4(rman_get_bustag((res)), \
626 rman_get_bushandle((res)), \
627 (offset), (addr), (count))
628 #define ATA_OUTB(res, offset, value) \
629 bus_space_write_1(rman_get_bustag((res)), \
630 rman_get_bushandle((res)), (offset), (value))
631 #define ATA_OUTW(res, offset, value) \
632 bus_space_write_2(rman_get_bustag((res)), \
633 rman_get_bushandle((res)), (offset), (value))
634 #define ATA_OUTL(res, offset, value) \
635 bus_space_write_4(rman_get_bustag((res)), \
636 rman_get_bushandle((res)), (offset), (value))
637 #define ATA_OUTSW(res, offset, addr, count) \
638 bus_space_write_multi_2(rman_get_bustag((res)), \
639 rman_get_bushandle((res)), \
640 (offset), (addr), (count))
641 #define ATA_OUTSW_STRM(res, offset, addr, count) \
642 bus_space_write_multi_stream_2(rman_get_bustag((res)), \
643 rman_get_bushandle((res)), \
644 (offset), (addr), (count))
645 #define ATA_OUTSL(res, offset, addr, count) \
646 bus_space_write_multi_4(rman_get_bustag((res)), \
647 rman_get_bushandle((res)), \
648 (offset), (addr), (count))
649 #define ATA_OUTSL_STRM(res, offset, addr, count) \
650 bus_space_write_multi_stream_4(rman_get_bustag((res)), \
651 rman_get_bushandle((res)), \
652 (offset), (addr), (count))
654 #define ATA_IDX_INB(ch, idx) \
655 ATA_INB(ch->r_io[idx].res, ch->r_io[idx].offset)
657 #define ATA_IDX_INW(ch, idx) \
658 ATA_INW(ch->r_io[idx].res, ch->r_io[idx].offset)
660 #define ATA_IDX_INL(ch, idx) \
661 ATA_INL(ch->r_io[idx].res, ch->r_io[idx].offset)
663 #define ATA_IDX_INSW(ch, idx, addr, count) \
664 ATA_INSW(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count)
666 #define ATA_IDX_INSW_STRM(ch, idx, addr, count) \
667 ATA_INSW_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count)
669 #define ATA_IDX_INSL(ch, idx, addr, count) \
670 ATA_INSL(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count)
672 #define ATA_IDX_INSL_STRM(ch, idx, addr, count) \
673 ATA_INSL_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count)
675 #define ATA_IDX_OUTB(ch, idx, value) \
676 ATA_OUTB(ch->r_io[idx].res, ch->r_io[idx].offset, value)
678 #define ATA_IDX_OUTW(ch, idx, value) \
679 ATA_OUTW(ch->r_io[idx].res, ch->r_io[idx].offset, value)
681 #define ATA_IDX_OUTL(ch, idx, value) \
682 ATA_OUTL(ch->r_io[idx].res, ch->r_io[idx].offset, value)
684 #define ATA_IDX_OUTSW(ch, idx, addr, count) \
685 ATA_OUTSW(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count)
687 #define ATA_IDX_OUTSW_STRM(ch, idx, addr, count) \
688 ATA_OUTSW_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count)
690 #define ATA_IDX_OUTSL(ch, idx, addr, count) \
691 ATA_OUTSL(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count)
693 #define ATA_IDX_OUTSL_STRM(ch, idx, addr, count) \
694 ATA_OUTSL_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count)