1/*-
2 * Copyright (c) 1998 - 2008 S�ren Schmidt <sos@FreeBSD.org>
3 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer,
11 *    without modification, immediately at the beginning of the file.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30/* ATA register defines */
31#define ATA_DATA                        0       /* (RW) data */
32
33#define ATA_FEATURE                     1       /* (W) feature */
34#define         ATA_F_DMA               0x01    /* enable DMA */
35#define         ATA_F_OVL               0x02    /* enable overlap */
36
37#define ATA_COUNT                       2       /* (W) sector count */
38
39#define ATA_SECTOR                      3       /* (RW) sector # */
40#define ATA_CYL_LSB                     4       /* (RW) cylinder# LSB */
41#define ATA_CYL_MSB                     5       /* (RW) cylinder# MSB */
42#define ATA_DRIVE                       6       /* (W) Sector/Drive/Head */
43#define         ATA_D_LBA               0x40    /* use LBA addressing */
44#define         ATA_D_IBM               0xa0    /* 512 byte sectors, ECC */
45
46#define ATA_COMMAND                     7       /* (W) command */
47
48#define ATA_ERROR                       8       /* (R) error */
49#define         ATA_E_ILI               0x01    /* illegal length */
50#define         ATA_E_NM                0x02    /* no media */
51#define         ATA_E_ABORT             0x04    /* command aborted */
52#define         ATA_E_MCR               0x08    /* media change request */
53#define         ATA_E_IDNF              0x10    /* ID not found */
54#define         ATA_E_MC                0x20    /* media changed */
55#define         ATA_E_UNC               0x40    /* uncorrectable data */
56#define         ATA_E_ICRC              0x80    /* UDMA crc error */
57#define		ATA_E_ATAPI_SENSE_MASK	0xf0	/* ATAPI sense key mask */
58
59#define ATA_IREASON                     9       /* (R) interrupt reason */
60#define         ATA_I_CMD               0x01    /* cmd (1) | data (0) */
61#define         ATA_I_IN                0x02    /* read (1) | write (0) */
62#define         ATA_I_RELEASE           0x04    /* released bus (1) */
63#define         ATA_I_TAGMASK           0xf8    /* tag mask */
64
65#define ATA_STATUS                      10      /* (R) status */
66#define ATA_ALTSTAT                     11      /* (R) alternate status */
67#define         ATA_S_ERROR             0x01    /* error */
68#define         ATA_S_INDEX             0x02    /* index */
69#define         ATA_S_CORR              0x04    /* data corrected */
70#define         ATA_S_DRQ               0x08    /* data request */
71#define         ATA_S_DSC               0x10    /* drive seek completed */
72#define         ATA_S_SERVICE           0x10    /* drive needs service */
73#define         ATA_S_DWF               0x20    /* drive write fault */
74#define         ATA_S_DMA               0x20    /* DMA ready */
75#define         ATA_S_READY             0x40    /* drive ready */
76#define         ATA_S_BUSY              0x80    /* busy */
77
78#define ATA_CONTROL                     12      /* (W) control */
79#define         ATA_A_IDS               0x02    /* disable interrupts */
80#define         ATA_A_RESET             0x04    /* RESET controller */
81#define         ATA_A_4BIT              0x08    /* 4 head bits */
82#define         ATA_A_HOB               0x80    /* High Order Byte enable */
83
84/* SATA register defines */
85#define ATA_SSTATUS                     13
86#define         ATA_SS_DET_MASK         0x0000000f
87#define         ATA_SS_DET_NO_DEVICE    0x00000000
88#define         ATA_SS_DET_DEV_PRESENT  0x00000001
89#define         ATA_SS_DET_PHY_ONLINE   0x00000003
90#define         ATA_SS_DET_PHY_OFFLINE  0x00000004
91
92#define         ATA_SS_SPD_MASK         0x000000f0
93#define         ATA_SS_SPD_NO_SPEED     0x00000000
94#define         ATA_SS_SPD_GEN1         0x00000010
95#define         ATA_SS_SPD_GEN2         0x00000020
96#define         ATA_SS_SPD_GEN3         0x00000040
97
98#define         ATA_SS_IPM_MASK         0x00000f00
99#define         ATA_SS_IPM_NO_DEVICE    0x00000000
100#define         ATA_SS_IPM_ACTIVE       0x00000100
101#define         ATA_SS_IPM_PARTIAL      0x00000200
102#define         ATA_SS_IPM_SLUMBER      0x00000600
103#define         ATA_SS_IPM_DEVSLEEP     0x00000800
104
105#define ATA_SERROR                      14
106#define         ATA_SE_DATA_CORRECTED   0x00000001
107#define         ATA_SE_COMM_CORRECTED   0x00000002
108#define         ATA_SE_DATA_ERR         0x00000100
109#define         ATA_SE_COMM_ERR         0x00000200
110#define         ATA_SE_PROT_ERR         0x00000400
111#define         ATA_SE_HOST_ERR         0x00000800
112#define         ATA_SE_PHY_CHANGED      0x00010000
113#define         ATA_SE_PHY_IERROR       0x00020000
114#define         ATA_SE_COMM_WAKE        0x00040000
115#define         ATA_SE_DECODE_ERR       0x00080000
116#define         ATA_SE_PARITY_ERR       0x00100000
117#define         ATA_SE_CRC_ERR          0x00200000
118#define         ATA_SE_HANDSHAKE_ERR    0x00400000
119#define         ATA_SE_LINKSEQ_ERR      0x00800000
120#define         ATA_SE_TRANSPORT_ERR    0x01000000
121#define         ATA_SE_UNKNOWN_FIS      0x02000000
122#define         ATA_SE_EXCHANGED        0x04000000
123
124#define ATA_SCONTROL                    15
125#define         ATA_SC_DET_MASK         0x0000000f
126#define         ATA_SC_DET_IDLE         0x00000000
127#define         ATA_SC_DET_RESET        0x00000001
128#define         ATA_SC_DET_DISABLE      0x00000004
129
130#define         ATA_SC_SPD_MASK         0x000000f0
131#define         ATA_SC_SPD_NO_SPEED     0x00000000
132#define         ATA_SC_SPD_SPEED_GEN1   0x00000010
133#define         ATA_SC_SPD_SPEED_GEN2   0x00000020
134#define         ATA_SC_SPD_SPEED_GEN3   0x00000040
135
136#define         ATA_SC_IPM_MASK         0x00000f00
137#define         ATA_SC_IPM_NONE         0x00000000
138#define         ATA_SC_IPM_DIS_PARTIAL  0x00000100
139#define         ATA_SC_IPM_DIS_SLUMBER  0x00000200
140
141#define ATA_SACTIVE                     16
142
143#define AHCI_MAX_PORTS			32
144#define AHCI_MAX_SLOTS			32
145
146/* SATA AHCI v1.0 register defines */
147#define AHCI_CAP                    0x00
148#define		AHCI_CAP_NPMASK	0x0000001f
149#define		AHCI_CAP_SXS	0x00000020
150#define		AHCI_CAP_EMS	0x00000040
151#define		AHCI_CAP_CCCS	0x00000080
152#define		AHCI_CAP_NCS	0x00001F00
153#define		AHCI_CAP_NCS_SHIFT	8
154#define		AHCI_CAP_PSC	0x00002000
155#define		AHCI_CAP_SSC	0x00004000
156#define		AHCI_CAP_PMD	0x00008000
157#define		AHCI_CAP_FBSS	0x00010000
158#define		AHCI_CAP_SPM	0x00020000
159#define		AHCI_CAP_SAM	0x00080000
160#define		AHCI_CAP_ISS	0x00F00000
161#define		AHCI_CAP_ISS_SHIFT	20
162#define		AHCI_CAP_SCLO	0x01000000
163#define		AHCI_CAP_SAL	0x02000000
164#define		AHCI_CAP_SALP	0x04000000
165#define		AHCI_CAP_SSS	0x08000000
166#define		AHCI_CAP_SMPS	0x10000000
167#define		AHCI_CAP_SSNTF	0x20000000
168#define		AHCI_CAP_SNCQ	0x40000000
169#define		AHCI_CAP_64BIT	0x80000000
170
171#define AHCI_GHC                    0x04
172#define         AHCI_GHC_AE         0x80000000
173#define         AHCI_GHC_MRSM       0x00000004
174#define         AHCI_GHC_IE         0x00000002
175#define         AHCI_GHC_HR         0x00000001
176
177#define AHCI_IS                     0x08
178#define AHCI_PI                     0x0c
179#define AHCI_VS                     0x10
180
181#define AHCI_CCCC                   0x14
182#define		AHCI_CCCC_TV_MASK	0xffff0000
183#define		AHCI_CCCC_TV_SHIFT	16
184#define		AHCI_CCCC_CC_MASK	0x0000ff00
185#define		AHCI_CCCC_CC_SHIFT	8
186#define		AHCI_CCCC_INT_MASK	0x000000f8
187#define		AHCI_CCCC_INT_SHIFT	3
188#define		AHCI_CCCC_EN		0x00000001
189#define AHCI_CCCP                   0x18
190
191#define AHCI_EM_LOC                 0x1C
192#define AHCI_EM_CTL                 0x20
193#define 	AHCI_EM_MR              0x00000001
194#define 	AHCI_EM_TM              0x00000100
195#define 	AHCI_EM_RST             0x00000200
196#define 	AHCI_EM_LED             0x00010000
197#define 	AHCI_EM_SAFTE           0x00020000
198#define 	AHCI_EM_SES2            0x00040000
199#define 	AHCI_EM_SGPIO           0x00080000
200#define 	AHCI_EM_SMB             0x01000000
201#define 	AHCI_EM_XMT             0x02000000
202#define 	AHCI_EM_ALHD            0x04000000
203#define 	AHCI_EM_PM              0x08000000
204
205#define AHCI_CAP2                   0x24
206#define		AHCI_CAP2_BOH	0x00000001
207#define		AHCI_CAP2_NVMP	0x00000002
208#define		AHCI_CAP2_APST	0x00000004
209#define		AHCI_CAP2_SDS	0x00000008
210#define		AHCI_CAP2_SADM	0x00000010
211#define		AHCI_CAP2_DESO	0x00000020
212
213#define AHCI_OFFSET                 0x100
214#define AHCI_STEP                   0x80
215
216#define AHCI_P_CLB                  0x00
217#define AHCI_P_CLBU                 0x04
218#define AHCI_P_FB                   0x08
219#define AHCI_P_FBU                  0x0c
220#define AHCI_P_IS                   0x10
221#define AHCI_P_IE                   0x14
222#define         AHCI_P_IX_DHR       0x00000001
223#define         AHCI_P_IX_PS        0x00000002
224#define         AHCI_P_IX_DS        0x00000004
225#define         AHCI_P_IX_SDB       0x00000008
226#define         AHCI_P_IX_UF        0x00000010
227#define         AHCI_P_IX_DP        0x00000020
228#define         AHCI_P_IX_PC        0x00000040
229#define         AHCI_P_IX_MP        0x00000080
230
231#define         AHCI_P_IX_PRC       0x00400000
232#define         AHCI_P_IX_IPM       0x00800000
233#define         AHCI_P_IX_OF        0x01000000
234#define         AHCI_P_IX_INF       0x04000000
235#define         AHCI_P_IX_IF        0x08000000
236#define         AHCI_P_IX_HBD       0x10000000
237#define         AHCI_P_IX_HBF       0x20000000
238#define         AHCI_P_IX_TFE       0x40000000
239#define         AHCI_P_IX_CPD       0x80000000
240
241#define AHCI_P_CMD                  0x18
242#define         AHCI_P_CMD_ST       0x00000001
243#define         AHCI_P_CMD_SUD      0x00000002
244#define         AHCI_P_CMD_POD      0x00000004
245#define         AHCI_P_CMD_CLO      0x00000008
246#define         AHCI_P_CMD_FRE      0x00000010
247#define         AHCI_P_CMD_CCS_MASK 0x00001f00
248#define         AHCI_P_CMD_CCS_SHIFT 8
249#define         AHCI_P_CMD_ISS      0x00002000
250#define         AHCI_P_CMD_FR       0x00004000
251#define         AHCI_P_CMD_CR       0x00008000
252#define         AHCI_P_CMD_CPS      0x00010000
253#define         AHCI_P_CMD_PMA      0x00020000
254#define         AHCI_P_CMD_HPCP     0x00040000
255#define         AHCI_P_CMD_MPSP     0x00080000
256#define         AHCI_P_CMD_CPD      0x00100000
257#define         AHCI_P_CMD_ESP      0x00200000
258#define         AHCI_P_CMD_FBSCP    0x00400000
259#define         AHCI_P_CMD_APSTE    0x00800000
260#define         AHCI_P_CMD_ATAPI    0x01000000
261#define         AHCI_P_CMD_DLAE     0x02000000
262#define         AHCI_P_CMD_ALPE     0x04000000
263#define         AHCI_P_CMD_ASP      0x08000000
264#define         AHCI_P_CMD_ICC_MASK 0xf0000000
265#define         AHCI_P_CMD_NOOP     0x00000000
266#define         AHCI_P_CMD_ACTIVE   0x10000000
267#define         AHCI_P_CMD_PARTIAL  0x20000000
268#define         AHCI_P_CMD_SLUMBER  0x60000000
269#define         AHCI_P_CMD_DEVSLEEP 0x80000000
270
271#define AHCI_P_TFD                  0x20
272#define AHCI_P_SIG                  0x24
273#define AHCI_P_SSTS                 0x28
274#define AHCI_P_SCTL                 0x2c
275#define AHCI_P_SERR                 0x30
276#define AHCI_P_SACT                 0x34
277#define AHCI_P_CI                   0x38
278#define AHCI_P_SNTF                 0x3C
279#define AHCI_P_FBS                  0x40
280#define 	AHCI_P_FBS_EN       0x00000001
281#define 	AHCI_P_FBS_DEC      0x00000002
282#define 	AHCI_P_FBS_SDE      0x00000004
283#define 	AHCI_P_FBS_DEV      0x00000f00
284#define 	AHCI_P_FBS_DEV_SHIFT 8
285#define 	AHCI_P_FBS_ADO      0x0000f000
286#define 	AHCI_P_FBS_ADO_SHIFT 12
287#define 	AHCI_P_FBS_DWE      0x000f0000
288#define 	AHCI_P_FBS_DWE_SHIFT 16
289
290/* Just to be sure, if building as module. */
291#if MAXPHYS < 512 * 1024
292#undef MAXPHYS
293#define MAXPHYS				512 * 1024
294#endif
295/* Pessimistic prognosis on number of required S/G entries */
296#define AHCI_SG_ENTRIES	(roundup(btoc(MAXPHYS) + 1, 8))
297/* Command list. 32 commands. First, 1Kbyte aligned. */
298#define AHCI_CL_OFFSET              0
299#define AHCI_CL_SIZE                32
300/* Command tables. Up to 32 commands, Each, 128byte aligned. */
301#define AHCI_CT_OFFSET              (AHCI_CL_OFFSET + AHCI_CL_SIZE * AHCI_MAX_SLOTS)
302#define AHCI_CT_SIZE                (128 + AHCI_SG_ENTRIES * 16)
303/* Total main work area. */
304#define AHCI_WORK_SIZE              (AHCI_CT_OFFSET + AHCI_CT_SIZE * ch->numslots)
305
306struct ahci_dma_prd {
307    u_int64_t                   dba;
308    u_int32_t                   reserved;
309    u_int32_t                   dbc;            /* 0 based */
310#define AHCI_PRD_MASK		0x003fffff      /* max 4MB */
311#define AHCI_PRD_MAX		(AHCI_PRD_MASK + 1)
312#define AHCI_PRD_IPC		(1 << 31)
313} __packed;
314
315struct ahci_cmd_tab {
316    u_int8_t                    cfis[64];
317    u_int8_t                    acmd[32];
318    u_int8_t                    reserved[32];
319    struct ahci_dma_prd         prd_tab[AHCI_SG_ENTRIES];
320} __packed;
321
322struct ahci_cmd_list {
323    u_int16_t                   cmd_flags;
324#define AHCI_CMD_ATAPI		0x0020
325#define AHCI_CMD_WRITE		0x0040
326#define AHCI_CMD_PREFETCH		0x0080
327#define AHCI_CMD_RESET		0x0100
328#define AHCI_CMD_BIST		0x0200
329#define AHCI_CMD_CLR_BUSY		0x0400
330
331    u_int16_t                   prd_length;     /* PRD entries */
332    u_int32_t                   bytecount;
333    u_int64_t                   cmd_table_phys; /* 128byte aligned */
334} __packed;
335
336/* misc defines */
337#define ATA_IRQ_RID                     0
338#define ATA_INTR_FLAGS                  (INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY)
339
340struct ata_dmaslot {
341    bus_dmamap_t                data_map;       /* data DMA map */
342    int				nsegs;		/* Number of segs loaded */
343};
344
345/* structure holding DMA related information */
346struct ata_dma {
347    bus_dma_tag_t               work_tag;       /* workspace DMA tag */
348    bus_dmamap_t                work_map;       /* workspace DMA map */
349    uint8_t                     *work;          /* workspace */
350    bus_addr_t                  work_bus;       /* bus address of work */
351    bus_dma_tag_t               rfis_tag;       /* RFIS list DMA tag */
352    bus_dmamap_t                rfis_map;       /* RFIS list DMA map */
353    uint8_t                     *rfis;          /* FIS receive area */
354    bus_addr_t                  rfis_bus;       /* bus address of rfis */
355    bus_dma_tag_t               data_tag;       /* data DMA tag */
356};
357
358enum ahci_slot_states {
359	AHCI_SLOT_EMPTY,
360	AHCI_SLOT_LOADING,
361	AHCI_SLOT_RUNNING,
362	AHCI_SLOT_EXECUTING
363};
364
365struct ahci_slot {
366    device_t                    dev;            /* Device handle */
367    u_int8_t			slot;           /* Number of this slot */
368    enum ahci_slot_states	state;          /* Slot state */
369    union ccb			*ccb;		/* CCB occupying slot */
370    struct ata_dmaslot          dma;            /* DMA data of this slot */
371    struct callout              timeout;        /* Execution timeout */
372};
373
374struct ahci_device {
375	int			revision;
376	int			mode;
377	u_int			bytecount;
378	u_int			atapi;
379	u_int			tags;
380	u_int			caps;
381};
382
383struct ahci_led {
384	device_t		dev;		/* Device handle */
385	struct cdev		*led;
386	uint8_t			num;		/* Number of this led */
387	uint8_t			state;		/* State of this led */
388};
389
390#define	AHCI_NUM_LEDS		3
391
392/* structure describing an ATA channel */
393struct ahci_channel {
394	device_t		dev;            /* Device handle */
395	int			unit;           /* Physical channel */
396	struct resource		*r_mem;		/* Memory of this channel */
397	struct resource		*r_irq;         /* Interrupt of this channel */
398	void			*ih;            /* Interrupt handle */
399	struct ata_dma		dma;            /* DMA data */
400	struct cam_sim		*sim;
401	struct cam_path		*path;
402	struct ahci_led		leds[3];
403	uint32_t		caps;		/* Controller capabilities */
404	uint32_t		caps2;		/* Controller capabilities */
405	uint32_t		chcaps;		/* Channel capabilities */
406	int			quirks;
407	int			numslots;	/* Number of present slots */
408	int			pm_level;	/* power management level */
409
410	struct ahci_slot	slot[AHCI_MAX_SLOTS];
411	union ccb		*hold[AHCI_MAX_SLOTS];
412	struct mtx		mtx;		/* state lock */
413	int			devices;        /* What is present */
414	int			pm_present;	/* PM presence reported */
415	int			fbs_enabled;	/* FIS-based switching enabled */
416	uint32_t		oslots;		/* Occupied slots */
417	uint32_t		rslots;		/* Running slots */
418	uint32_t		aslots;		/* Slots with atomic commands  */
419	uint32_t		eslots;		/* Slots in error */
420	uint32_t		toslots;	/* Slots in timeout */
421	int			numrslots;	/* Number of running slots */
422	int			numrslotspd[16];/* Number of running slots per dev */
423	int			numtslots;	/* Number of tagged slots */
424	int			numtslotspd[16];/* Number of tagged slots per dev */
425	int			numhslots;	/* Number of held slots */
426	int			recoverycmd;	/* Our READ LOG active */
427	int			fatalerr;	/* Fatal error happend */
428	int			lastslot;	/* Last used slot */
429	int			taggedtarget;	/* Last tagged target */
430	int			resetting;	/* Hard-reset in progress. */
431	int			resetpolldiv;	/* Hard-reset poll divider. */
432	int			listening;	/* SUD bit is cleared. */
433	int			wrongccs;	/* CCS field in CMD was wrong */
434	union ccb		*frozen;	/* Frozen command */
435	struct callout		pm_timer;	/* Power management events */
436	struct callout		reset_timer;	/* Hard-reset timeout */
437
438	struct ahci_device	user[16];	/* User-specified settings */
439	struct ahci_device	curr[16];	/* Current settings */
440};
441
442/* structure describing a AHCI controller */
443struct ahci_controller {
444	device_t		dev;
445	bus_dma_tag_t		dma_tag;
446	int			r_rid;
447	struct resource		*r_mem;
448	struct rman		sc_iomem;
449	struct ahci_controller_irq {
450		struct ahci_controller	*ctlr;
451		struct resource		*r_irq;
452		void			*handle;
453		int			r_irq_rid;
454		int			mode;
455#define	AHCI_IRQ_MODE_ALL	0
456#define	AHCI_IRQ_MODE_AFTER	1
457#define	AHCI_IRQ_MODE_ONE	2
458	} irqs[16];
459	uint32_t		caps;		/* Controller capabilities */
460	uint32_t		caps2;		/* Controller capabilities */
461	uint32_t		capsem;		/* Controller capabilities */
462	uint32_t		emloc;		/* EM buffer location */
463	int			quirks;
464	int			numirqs;
465	int			channels;
466	int			ichannels;
467	int			ccc;		/* CCC timeout */
468	int			cccv;		/* CCC vector */
469	struct {
470		void			(*function)(void *);
471		void			*argument;
472	} interrupt[AHCI_MAX_PORTS];
473	struct mtx		em_mtx;		/* EM access lock */
474};
475
476enum ahci_err_type {
477	AHCI_ERR_NONE,		/* No error */
478	AHCI_ERR_INVALID,	/* Error detected by us before submitting. */
479	AHCI_ERR_INNOCENT,	/* Innocent victim. */
480	AHCI_ERR_TFE,		/* Task File Error. */
481	AHCI_ERR_SATA,		/* SATA error. */
482	AHCI_ERR_TIMEOUT,	/* Command execution timeout. */
483	AHCI_ERR_NCQ,		/* NCQ command error. CCB should be put on hold
484				 * until READ LOG executed to reveal error. */
485};
486
487/* macros to hide busspace uglyness */
488#define ATA_INB(res, offset) \
489	bus_read_1((res), (offset))
490#define ATA_INW(res, offset) \
491	bus_read_2((res), (offset))
492#define ATA_INL(res, offset) \
493	bus_read_4((res), (offset))
494#define ATA_INSW(res, offset, addr, count) \
495	bus_read_multi_2((res), (offset), (addr), (count))
496#define ATA_INSW_STRM(res, offset, addr, count) \
497	bus_read_multi_stream_2((res), (offset), (addr), (count))
498#define ATA_INSL(res, offset, addr, count) \
499	bus_read_multi_4((res), (offset), (addr), (count))
500#define ATA_INSL_STRM(res, offset, addr, count) \
501	bus_read_multi_stream_4((res), (offset), (addr), (count))
502#define ATA_OUTB(res, offset, value) \
503	bus_write_1((res), (offset), (value))
504#define ATA_OUTW(res, offset, value) \
505	bus_write_2((res), (offset), (value))
506#define ATA_OUTL(res, offset, value) \
507	bus_write_4((res), (offset), (value))
508#define ATA_OUTSW(res, offset, addr, count) \
509	bus_write_multi_2((res), (offset), (addr), (count))
510#define ATA_OUTSW_STRM(res, offset, addr, count) \
511	bus_write_multi_stream_2((res), (offset), (addr), (count))
512#define ATA_OUTSL(res, offset, addr, count) \
513	bus_write_multi_4((res), (offset), (addr), (count))
514#define ATA_OUTSL_STRM(res, offset, addr, count) \
515	bus_write_multi_stream_4((res), (offset), (addr), (count))
516