1/*-
2 * Data structures and definitions for CAM Control Blocks (CCBs).
3 *
4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 *
6 * Copyright (c) 1997, 1998 Justin T. Gibbs.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions, and the following disclaimer,
14 *    without modification, immediately at the beginning of the file.
15 * 2. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 */
32
33#ifndef _CAM_CAM_CCB_H
34#define _CAM_CAM_CCB_H 1
35
36#include <sys/queue.h>
37#include <sys/cdefs.h>
38#include <sys/time.h>
39#include <sys/limits.h>
40#ifndef _KERNEL
41#include <sys/callout.h>
42#endif
43#include <cam/cam_debug.h>
44#include <cam/scsi/scsi_all.h>
45#include <cam/ata/ata_all.h>
46#include <cam/nvme/nvme_all.h>
47#include <cam/mmc/mmc_all.h>
48
49/* General allocation length definitions for CCB structures */
50#define	IOCDBLEN	CAM_MAX_CDBLEN	/* Space for CDB bytes/pointer */
51#define	VUHBALEN	14		/* Vendor Unique HBA length */
52#define	SIM_IDLEN	16		/* ASCII string len for SIM ID */
53#define	HBA_IDLEN	16		/* ASCII string len for HBA ID */
54#define	DEV_IDLEN	16		/* ASCII string len for device names */
55#define CCB_PERIPH_PRIV_SIZE 	2	/* size of peripheral private area */
56#define CCB_SIM_PRIV_SIZE 	2	/* size of sim private area */
57
58/* Struct definitions for CAM control blocks */
59
60/* Common CCB header */
61/* CAM CCB flags */
62typedef enum {
63	CAM_CDB_POINTER		= 0x00000001,/* The CDB field is a pointer    */
64	CAM_unused1		= 0x00000002,
65	CAM_unused2		= 0x00000004,
66	CAM_NEGOTIATE		= 0x00000008,/*
67					      * Perform transport negotiation
68					      * with this command.
69					      */
70	CAM_DATA_ISPHYS		= 0x00000010,/* Data type with physical addrs */
71	CAM_DIS_AUTOSENSE	= 0x00000020,/* Disable autosense feature     */
72	CAM_DIR_BOTH		= 0x00000000,/* Data direction (00:IN/OUT)    */
73	CAM_DIR_IN		= 0x00000040,/* Data direction (01:DATA IN)   */
74	CAM_DIR_OUT		= 0x00000080,/* Data direction (10:DATA OUT)  */
75	CAM_DIR_NONE		= 0x000000C0,/* Data direction (11:no data)   */
76	CAM_DIR_MASK		= 0x000000C0,/* Data direction Mask	      */
77	CAM_DATA_VADDR		= 0x00000000,/* Data type (000:Virtual)       */
78	CAM_DATA_PADDR		= 0x00000010,/* Data type (001:Physical)      */
79	CAM_DATA_SG		= 0x00040000,/* Data type (010:sglist)        */
80	CAM_DATA_SG_PADDR	= 0x00040010,/* Data type (011:sglist phys)   */
81	CAM_DATA_BIO		= 0x00200000,/* Data type (100:bio)           */
82	CAM_DATA_MASK		= 0x00240010,/* Data type mask                */
83	CAM_unused3		= 0x00000100,
84	CAM_unused4		= 0x00000200,
85	CAM_DEV_QFRZDIS		= 0x00000400,/* Disable DEV Q freezing	      */
86	CAM_DEV_QFREEZE		= 0x00000800,/* Freeze DEV Q on execution     */
87	CAM_HIGH_POWER		= 0x00001000,/* Command takes a lot of power  */
88	CAM_SENSE_PTR		= 0x00002000,/* Sense data is a pointer	      */
89	CAM_SENSE_PHYS		= 0x00004000,/* Sense pointer is physical addr*/
90	CAM_TAG_ACTION_VALID	= 0x00008000,/* Use the tag action in this ccb*/
91	CAM_PASS_ERR_RECOVER	= 0x00010000,/* Pass driver does err. recovery*/
92	CAM_DIS_DISCONNECT	= 0x00020000,/* Disable disconnect	      */
93	CAM_unused5		= 0x00080000,
94	CAM_unused6		= 0x00100000,
95	CAM_CDB_PHYS		= 0x00400000,/* CDB poiner is physical	      */
96	CAM_unused7		= 0x00800000,
97
98/* Phase cognizant mode flags */
99	CAM_unused8		= 0x01000000,
100	CAM_unused9		= 0x02000000,
101	CAM_unused10		= 0x04000000,
102	CAM_unused11		= 0x08000000,
103	CAM_unused12		= 0x10000000,
104	CAM_unused13		= 0x20000000,
105	CAM_unused14		= 0x40000000,
106
107/* Host target Mode flags */
108	CAM_SEND_SENSE		= 0x08000000,/* Send sense data with status   */
109	CAM_unused15		= 0x10000000,
110	CAM_unused16		= 0x20000000,
111	CAM_SEND_STATUS		= 0x40000000,/* Send status after data phase  */
112
113	CAM_UNLOCKED		= 0x80000000 /* Call callback without lock.   */
114} ccb_flags;
115
116typedef enum {
117	CAM_USER_DATA_ADDR	= 0x00000002,/* Userspace data pointers */
118	CAM_SG_FORMAT_IOVEC	= 0x00000004,/* iovec instead of busdma S/G*/
119	CAM_UNMAPPED_BUF	= 0x00000008 /* use unmapped I/O */
120} ccb_xflags;
121
122/* XPT Opcodes for xpt_action */
123typedef enum {
124/* Function code flags are bits greater than 0xff */
125	XPT_FC_QUEUED		= 0x100,
126				/* Non-immediate function code */
127	XPT_FC_USER_CCB		= 0x200,
128	XPT_FC_XPT_ONLY		= 0x400,
129				/* Only for the transport layer device */
130	XPT_FC_DEV_QUEUED	= 0x800 | XPT_FC_QUEUED,
131				/* Passes through the device queues */
132/* Common function commands: 0x00->0x0F */
133	XPT_NOOP 		= 0x00,
134				/* Execute Nothing */
135	XPT_SCSI_IO		= 0x01 | XPT_FC_DEV_QUEUED,
136				/* Execute the requested I/O operation */
137	XPT_GDEV_TYPE		= 0x02,
138				/* Get type information for specified device */
139	XPT_GDEVLIST		= 0x03,
140				/* Get a list of peripheral devices */
141	XPT_PATH_INQ		= 0x04,
142				/* Path routing inquiry */
143	XPT_REL_SIMQ		= 0x05,
144				/* Release a frozen device queue */
145	XPT_SASYNC_CB		= 0x06,
146				/* Set Asynchronous Callback Parameters */
147	XPT_SDEV_TYPE		= 0x07,
148				/* Set device type information */
149	XPT_SCAN_BUS		= 0x08 | XPT_FC_QUEUED | XPT_FC_USER_CCB
150				       | XPT_FC_XPT_ONLY,
151				/* (Re)Scan the SCSI Bus */
152	XPT_DEV_MATCH		= 0x09 | XPT_FC_XPT_ONLY,
153				/* Get EDT entries matching the given pattern */
154	XPT_DEBUG		= 0x0a,
155				/* Turn on debugging for a bus, target or lun */
156	XPT_PATH_STATS		= 0x0b,
157				/* Path statistics (error counts, etc.) */
158	XPT_GDEV_STATS		= 0x0c,
159				/* Device statistics (error counts, etc.) */
160	XPT_DEV_ADVINFO		= 0x0e,
161				/* Get/Set Device advanced information */
162	XPT_ASYNC		= 0x0f | XPT_FC_QUEUED | XPT_FC_USER_CCB
163				       | XPT_FC_XPT_ONLY,
164				/* Asynchronous event */
165/* SCSI Control Functions: 0x10->0x1F */
166	XPT_ABORT		= 0x10,
167				/* Abort the specified CCB */
168	XPT_RESET_BUS		= 0x11 | XPT_FC_XPT_ONLY,
169				/* Reset the specified SCSI bus */
170	XPT_RESET_DEV		= 0x12 | XPT_FC_DEV_QUEUED,
171				/* Bus Device Reset the specified SCSI device */
172	XPT_TERM_IO		= 0x13,
173				/* Terminate the I/O process */
174	XPT_SCAN_LUN		= 0x14 | XPT_FC_QUEUED | XPT_FC_USER_CCB
175				       | XPT_FC_XPT_ONLY,
176				/* Scan Logical Unit */
177	XPT_GET_TRAN_SETTINGS	= 0x15,
178				/*
179				 * Get default/user transfer settings
180				 * for the target
181				 */
182	XPT_SET_TRAN_SETTINGS	= 0x16,
183				/*
184				 * Set transfer rate/width
185				 * negotiation settings
186				 */
187	XPT_CALC_GEOMETRY	= 0x17,
188				/*
189				 * Calculate the geometry parameters for
190				 * a device give the sector size and
191				 * volume size.
192				 */
193	XPT_ATA_IO		= 0x18 | XPT_FC_DEV_QUEUED,
194				/* Execute the requested ATA I/O operation */
195
196	XPT_GET_SIM_KNOB_OLD	= 0x18, /* Compat only */
197
198	XPT_SET_SIM_KNOB	= 0x19,
199				/*
200				 * Set SIM specific knob values.
201				 */
202
203	XPT_GET_SIM_KNOB	= 0x1a,
204				/*
205				 * Get SIM specific knob values.
206				 */
207
208	XPT_SMP_IO		= 0x1b | XPT_FC_DEV_QUEUED,
209				/* Serial Management Protocol */
210
211	XPT_NVME_IO		= 0x1c | XPT_FC_DEV_QUEUED,
212				/* Execute the requested NVMe I/O operation */
213
214	XPT_MMC_IO		= 0x1d | XPT_FC_DEV_QUEUED,
215				/* Placeholder for MMC / SD / SDIO I/O stuff */
216
217	XPT_SCAN_TGT		= 0x1e | XPT_FC_QUEUED | XPT_FC_USER_CCB
218				       | XPT_FC_XPT_ONLY,
219				/* Scan Target */
220
221	XPT_NVME_ADMIN		= 0x1f | XPT_FC_DEV_QUEUED,
222				/* Execute the requested NVMe Admin operation */
223
224/* HBA engine commands 0x20->0x2F */
225	XPT_ENG_INQ		= 0x20 | XPT_FC_XPT_ONLY,
226				/* HBA engine feature inquiry */
227	XPT_ENG_EXEC		= 0x21 | XPT_FC_DEV_QUEUED,
228				/* HBA execute engine request */
229
230/* Target mode commands: 0x30->0x3F */
231	XPT_EN_LUN		= 0x30,
232				/* Enable LUN as a target */
233	XPT_TARGET_IO		= 0x31 | XPT_FC_DEV_QUEUED,
234				/* Execute target I/O request */
235	XPT_ACCEPT_TARGET_IO	= 0x32 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
236				/* Accept Host Target Mode CDB */
237	XPT_CONT_TARGET_IO	= 0x33 | XPT_FC_DEV_QUEUED,
238				/* Continue Host Target I/O Connection */
239	XPT_IMMED_NOTIFY	= 0x34 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
240				/* Notify Host Target driver of event (obsolete) */
241	XPT_NOTIFY_ACK		= 0x35,
242				/* Acknowledgement of event (obsolete) */
243	XPT_IMMEDIATE_NOTIFY	= 0x36 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
244				/* Notify Host Target driver of event */
245	XPT_NOTIFY_ACKNOWLEDGE	= 0x37 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
246				/* Acknowledgement of event */
247	XPT_REPROBE_LUN		= 0x38 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
248				/* Query device capacity and notify GEOM */
249
250/* Vendor Unique codes: 0x80->0x8F */
251	XPT_VUNIQUE		= 0x80
252} xpt_opcode;
253
254#define XPT_FC_GROUP_MASK		0xF0
255#define XPT_FC_GROUP(op) ((op) & XPT_FC_GROUP_MASK)
256#define XPT_FC_GROUP_COMMON		0x00
257#define XPT_FC_GROUP_SCSI_CONTROL	0x10
258#define XPT_FC_GROUP_HBA_ENGINE		0x20
259#define XPT_FC_GROUP_TMODE		0x30
260#define XPT_FC_GROUP_VENDOR_UNIQUE	0x80
261
262#define XPT_FC_IS_DEV_QUEUED(ccb) 	\
263    (((ccb)->ccb_h.func_code & XPT_FC_DEV_QUEUED) == XPT_FC_DEV_QUEUED)
264#define XPT_FC_IS_QUEUED(ccb) 	\
265    (((ccb)->ccb_h.func_code & XPT_FC_QUEUED) != 0)
266
267typedef enum {
268	PROTO_UNKNOWN,
269	PROTO_UNSPECIFIED,
270	PROTO_SCSI,	/* Small Computer System Interface */
271	PROTO_ATA,	/* AT Attachment */
272	PROTO_ATAPI,	/* AT Attachment Packetized Interface */
273	PROTO_SATAPM,	/* SATA Port Multiplier */
274	PROTO_SEMB,	/* SATA Enclosure Management Bridge */
275	PROTO_NVME,	/* NVME */
276	PROTO_MMCSD,	/* MMC, SD, SDIO */
277} cam_proto;
278
279typedef enum {
280	XPORT_UNKNOWN,
281	XPORT_UNSPECIFIED,
282	XPORT_SPI,	/* SCSI Parallel Interface */
283	XPORT_FC,	/* Fiber Channel */
284	XPORT_SSA,	/* Serial Storage Architecture */
285	XPORT_USB,	/* Universal Serial Bus */
286	XPORT_PPB,	/* Parallel Port Bus */
287	XPORT_ATA,	/* AT Attachment */
288	XPORT_SAS,	/* Serial Attached SCSI */
289	XPORT_SATA,	/* Serial AT Attachment */
290	XPORT_ISCSI,	/* iSCSI */
291	XPORT_SRP,	/* SCSI RDMA Protocol */
292	XPORT_NVME,	/* NVMe over PCIe */
293	XPORT_MMCSD,	/* MMC, SD, SDIO card */
294} cam_xport;
295
296#define XPORT_IS_NVME(t)	((t) == XPORT_NVME)
297#define XPORT_IS_ATA(t)		((t) == XPORT_ATA || (t) == XPORT_SATA)
298#define XPORT_IS_SCSI(t)	((t) != XPORT_UNKNOWN && \
299				 (t) != XPORT_UNSPECIFIED && \
300				 !XPORT_IS_ATA(t) && !XPORT_IS_NVME(t))
301#define XPORT_DEVSTAT_TYPE(t)	(XPORT_IS_ATA(t) ? DEVSTAT_TYPE_IF_IDE : \
302				 XPORT_IS_SCSI(t) ? DEVSTAT_TYPE_IF_SCSI : \
303				 DEVSTAT_TYPE_IF_OTHER)
304
305#define PROTO_VERSION_UNKNOWN (UINT_MAX - 1)
306#define PROTO_VERSION_UNSPECIFIED UINT_MAX
307#define XPORT_VERSION_UNKNOWN (UINT_MAX - 1)
308#define XPORT_VERSION_UNSPECIFIED UINT_MAX
309
310typedef union {
311	LIST_ENTRY(ccb_hdr) le;
312	SLIST_ENTRY(ccb_hdr) sle;
313	TAILQ_ENTRY(ccb_hdr) tqe;
314	STAILQ_ENTRY(ccb_hdr) stqe;
315} camq_entry;
316
317typedef union {
318	void		*ptr;
319	u_long		field;
320	u_int8_t	bytes[sizeof(uintptr_t)];
321} ccb_priv_entry;
322
323typedef union {
324	ccb_priv_entry	entries[CCB_PERIPH_PRIV_SIZE];
325	u_int8_t	bytes[CCB_PERIPH_PRIV_SIZE * sizeof(ccb_priv_entry)];
326} ccb_ppriv_area;
327
328typedef union {
329	ccb_priv_entry	entries[CCB_SIM_PRIV_SIZE];
330	u_int8_t	bytes[CCB_SIM_PRIV_SIZE * sizeof(ccb_priv_entry)];
331} ccb_spriv_area;
332
333typedef struct {
334	struct timeval	*etime;
335	uintptr_t	sim_data;
336	uintptr_t	periph_data;
337} ccb_qos_area;
338
339struct ccb_hdr {
340	cam_pinfo	pinfo;		/* Info for priority scheduling */
341	camq_entry	xpt_links;	/* For chaining in the XPT layer */
342	camq_entry	sim_links;	/* For chaining in the SIM layer */
343	camq_entry	periph_links;	/* For chaining in the type driver */
344	u_int32_t	retry_count;
345	void		(*cbfcnp)(struct cam_periph *, union ccb *);
346					/* Callback on completion function */
347	xpt_opcode	func_code;	/* XPT function code */
348	u_int32_t	status;		/* Status returned by CAM subsystem */
349	struct		cam_path *path;	/* Compiled path for this ccb */
350	path_id_t	path_id;	/* Path ID for the request */
351	target_id_t	target_id;	/* Target device ID */
352	lun_id_t	target_lun;	/* Target LUN number */
353	u_int32_t	flags;		/* ccb_flags */
354	u_int32_t	xflags;		/* Extended flags */
355	ccb_ppriv_area	periph_priv;
356	ccb_spriv_area	sim_priv;
357	ccb_qos_area	qos;
358	u_int32_t	timeout;	/* Hard timeout value in mseconds */
359	struct timeval	softtimeout;	/* Soft timeout value in sec + usec */
360};
361
362/* Get Device Information CCB */
363struct ccb_getdev {
364	struct	  ccb_hdr ccb_h;
365	cam_proto protocol;
366	struct scsi_inquiry_data inq_data;
367	struct ata_params ident_data;
368	u_int8_t  serial_num[252];
369	u_int8_t  inq_flags;
370	u_int8_t  serial_num_len;
371	void *padding[2];
372};
373
374/* Device Statistics CCB */
375struct ccb_getdevstats {
376	struct	ccb_hdr	ccb_h;
377	int	dev_openings;	/* Space left for more work on device*/
378	int	dev_active;	/* Transactions running on the device */
379	int	allocated;	/* CCBs allocated for the device */
380	int	queued;		/* CCBs queued to be sent to the device */
381	int	held;		/*
382				 * CCBs held by peripheral drivers
383				 * for this device
384				 */
385	int	maxtags;	/*
386				 * Boundary conditions for number of
387				 * tagged operations
388				 */
389	int	mintags;
390	struct	timeval last_reset;	/* Time of last bus reset/loop init */
391};
392
393typedef enum {
394	CAM_GDEVLIST_LAST_DEVICE,
395	CAM_GDEVLIST_LIST_CHANGED,
396	CAM_GDEVLIST_MORE_DEVS,
397	CAM_GDEVLIST_ERROR
398} ccb_getdevlist_status_e;
399
400struct ccb_getdevlist {
401	struct ccb_hdr		ccb_h;
402	char 			periph_name[DEV_IDLEN];
403	u_int32_t		unit_number;
404	unsigned int		generation;
405	u_int32_t		index;
406	ccb_getdevlist_status_e	status;
407};
408
409typedef enum {
410	PERIPH_MATCH_NONE	= 0x000,
411	PERIPH_MATCH_PATH	= 0x001,
412	PERIPH_MATCH_TARGET	= 0x002,
413	PERIPH_MATCH_LUN	= 0x004,
414	PERIPH_MATCH_NAME	= 0x008,
415	PERIPH_MATCH_UNIT	= 0x010,
416	PERIPH_MATCH_ANY	= 0x01f
417} periph_pattern_flags;
418
419struct periph_match_pattern {
420	char			periph_name[DEV_IDLEN];
421	u_int32_t		unit_number;
422	path_id_t		path_id;
423	target_id_t		target_id;
424	lun_id_t		target_lun;
425	periph_pattern_flags	flags;
426};
427
428typedef enum {
429	DEV_MATCH_NONE		= 0x000,
430	DEV_MATCH_PATH		= 0x001,
431	DEV_MATCH_TARGET	= 0x002,
432	DEV_MATCH_LUN		= 0x004,
433	DEV_MATCH_INQUIRY	= 0x008,
434	DEV_MATCH_DEVID		= 0x010,
435	DEV_MATCH_ANY		= 0x00f
436} dev_pattern_flags;
437
438struct device_id_match_pattern {
439	uint8_t id_len;
440	uint8_t id[256];
441};
442
443struct device_match_pattern {
444	path_id_t					path_id;
445	target_id_t					target_id;
446	lun_id_t					target_lun;
447	dev_pattern_flags				flags;
448	union {
449		struct scsi_static_inquiry_pattern	inq_pat;
450		struct device_id_match_pattern		devid_pat;
451	} data;
452};
453
454typedef enum {
455	BUS_MATCH_NONE		= 0x000,
456	BUS_MATCH_PATH		= 0x001,
457	BUS_MATCH_NAME		= 0x002,
458	BUS_MATCH_UNIT		= 0x004,
459	BUS_MATCH_BUS_ID	= 0x008,
460	BUS_MATCH_ANY		= 0x00f
461} bus_pattern_flags;
462
463struct bus_match_pattern {
464	path_id_t		path_id;
465	char			dev_name[DEV_IDLEN];
466	u_int32_t		unit_number;
467	u_int32_t		bus_id;
468	bus_pattern_flags	flags;
469};
470
471union match_pattern {
472	struct periph_match_pattern	periph_pattern;
473	struct device_match_pattern	device_pattern;
474	struct bus_match_pattern	bus_pattern;
475};
476
477typedef enum {
478	DEV_MATCH_PERIPH,
479	DEV_MATCH_DEVICE,
480	DEV_MATCH_BUS
481} dev_match_type;
482
483struct dev_match_pattern {
484	dev_match_type		type;
485	union match_pattern	pattern;
486};
487
488struct periph_match_result {
489	char			periph_name[DEV_IDLEN];
490	u_int32_t		unit_number;
491	path_id_t		path_id;
492	target_id_t		target_id;
493	lun_id_t		target_lun;
494};
495
496typedef enum {
497	DEV_RESULT_NOFLAG		= 0x00,
498	DEV_RESULT_UNCONFIGURED		= 0x01
499} dev_result_flags;
500
501struct device_match_result {
502	path_id_t			path_id;
503	target_id_t			target_id;
504	lun_id_t			target_lun;
505	cam_proto			protocol;
506	struct scsi_inquiry_data	inq_data;
507	struct ata_params		ident_data;
508	dev_result_flags		flags;
509};
510
511struct bus_match_result {
512	path_id_t	path_id;
513	char		dev_name[DEV_IDLEN];
514	u_int32_t	unit_number;
515	u_int32_t	bus_id;
516};
517
518union match_result {
519	struct periph_match_result	periph_result;
520	struct device_match_result	device_result;
521	struct bus_match_result		bus_result;
522};
523
524struct dev_match_result {
525	dev_match_type		type;
526	union match_result	result;
527};
528
529typedef enum {
530	CAM_DEV_MATCH_LAST,
531	CAM_DEV_MATCH_MORE,
532	CAM_DEV_MATCH_LIST_CHANGED,
533	CAM_DEV_MATCH_SIZE_ERROR,
534	CAM_DEV_MATCH_ERROR
535} ccb_dev_match_status;
536
537typedef enum {
538	CAM_DEV_POS_NONE	= 0x000,
539	CAM_DEV_POS_BUS		= 0x001,
540	CAM_DEV_POS_TARGET	= 0x002,
541	CAM_DEV_POS_DEVICE	= 0x004,
542	CAM_DEV_POS_PERIPH	= 0x008,
543	CAM_DEV_POS_PDPTR	= 0x010,
544	CAM_DEV_POS_TYPEMASK	= 0xf00,
545	CAM_DEV_POS_EDT		= 0x100,
546	CAM_DEV_POS_PDRV	= 0x200
547} dev_pos_type;
548
549struct ccb_dm_cookie {
550	void 	*bus;
551	void	*target;
552	void	*device;
553	void	*periph;
554	void	*pdrv;
555};
556
557struct ccb_dev_position {
558	u_int			generations[4];
559#define	CAM_BUS_GENERATION	0x00
560#define CAM_TARGET_GENERATION	0x01
561#define CAM_DEV_GENERATION	0x02
562#define CAM_PERIPH_GENERATION	0x03
563	dev_pos_type		position_type;
564	struct ccb_dm_cookie	cookie;
565};
566
567struct ccb_dev_match {
568	struct ccb_hdr			ccb_h;
569	ccb_dev_match_status		status;
570	u_int32_t			num_patterns;
571	u_int32_t			pattern_buf_len;
572	struct dev_match_pattern	*patterns;
573	u_int32_t			num_matches;
574	u_int32_t			match_buf_len;
575	struct dev_match_result		*matches;
576	struct ccb_dev_position		pos;
577};
578
579/*
580 * Definitions for the path inquiry CCB fields.
581 */
582#define CAM_VERSION	0x19	/* Hex value for current version */
583
584typedef enum {
585	PI_MDP_ABLE	= 0x80,	/* Supports MDP message */
586	PI_WIDE_32	= 0x40,	/* Supports 32 bit wide SCSI */
587	PI_WIDE_16	= 0x20, /* Supports 16 bit wide SCSI */
588	PI_SDTR_ABLE	= 0x10,	/* Supports SDTR message */
589	PI_LINKED_CDB	= 0x08, /* Supports linked CDBs */
590	PI_SATAPM	= 0x04,	/* Supports SATA PM */
591	PI_TAG_ABLE	= 0x02,	/* Supports tag queue messages */
592	PI_SOFT_RST	= 0x01	/* Supports soft reset alternative */
593} pi_inqflag;
594
595typedef enum {
596	PIT_PROCESSOR	= 0x80,	/* Target mode processor mode */
597	PIT_PHASE	= 0x40,	/* Target mode phase cog. mode */
598	PIT_DISCONNECT	= 0x20,	/* Disconnects supported in target mode */
599	PIT_TERM_IO	= 0x10,	/* Terminate I/O message supported in TM */
600	PIT_GRP_6	= 0x08,	/* Group 6 commands supported */
601	PIT_GRP_7	= 0x04	/* Group 7 commands supported */
602} pi_tmflag;
603
604typedef enum {
605	PIM_ATA_EXT	= 0x200,/* ATA requests can understand ata_ext requests */
606	PIM_EXTLUNS	= 0x100,/* 64bit extended LUNs supported */
607	PIM_SCANHILO	= 0x80,	/* Bus scans from high ID to low ID */
608	PIM_NOREMOVE	= 0x40,	/* Removeable devices not included in scan */
609	PIM_NOINITIATOR	= 0x20,	/* Initiator role not supported. */
610	PIM_NOBUSRESET	= 0x10,	/* User has disabled initial BUS RESET */
611	PIM_NO_6_BYTE	= 0x08,	/* Do not send 6-byte commands */
612	PIM_SEQSCAN	= 0x04,	/* Do bus scans sequentially, not in parallel */
613	PIM_UNMAPPED	= 0x02,
614	PIM_NOSCAN	= 0x01	/* SIM does its own scanning */
615} pi_miscflag;
616
617/* Path Inquiry CCB */
618struct ccb_pathinq_settings_spi {
619	u_int8_t ppr_options;
620};
621
622struct ccb_pathinq_settings_fc {
623	u_int64_t wwnn;		/* world wide node name */
624	u_int64_t wwpn;		/* world wide port name */
625	u_int32_t port;		/* 24 bit port id, if known */
626	u_int32_t bitrate;	/* Mbps */
627};
628
629struct ccb_pathinq_settings_sas {
630	u_int32_t bitrate;	/* Mbps */
631};
632
633#define NVME_DEV_NAME_LEN	52
634struct ccb_pathinq_settings_nvme {
635	uint32_t nsid;		/* Namespace ID for this path */
636	uint32_t domain;
637	uint8_t  bus;
638	uint8_t  slot;
639	uint8_t  function;
640	uint8_t  extra;
641	char	 dev_name[NVME_DEV_NAME_LEN]; /* nvme controller dev name for this device */
642};
643_Static_assert(sizeof(struct ccb_pathinq_settings_nvme) == 64,
644    "ccb_pathinq_settings_nvme too big");
645
646#define	PATHINQ_SETTINGS_SIZE	128
647
648struct ccb_pathinq {
649	struct 	    ccb_hdr ccb_h;
650	u_int8_t    version_num;	/* Version number for the SIM/HBA */
651	u_int8_t    hba_inquiry;	/* Mimic of INQ byte 7 for the HBA */
652	u_int16_t   target_sprt;	/* Flags for target mode support */
653	u_int32_t   hba_misc;		/* Misc HBA features */
654	u_int16_t   hba_eng_cnt;	/* HBA engine count */
655					/* Vendor Unique capabilities */
656	u_int8_t    vuhba_flags[VUHBALEN];
657	u_int32_t   max_target;		/* Maximum supported Target */
658	u_int32_t   max_lun;		/* Maximum supported Lun */
659	u_int32_t   async_flags;	/* Installed Async handlers */
660	path_id_t   hpath_id;		/* Highest Path ID in the subsystem */
661	target_id_t initiator_id;	/* ID of the HBA on the SCSI bus */
662	char	    sim_vid[SIM_IDLEN];	/* Vendor ID of the SIM */
663	char	    hba_vid[HBA_IDLEN];	/* Vendor ID of the HBA */
664	char 	    dev_name[DEV_IDLEN];/* Device name for SIM */
665	u_int32_t   unit_number;	/* Unit number for SIM */
666	u_int32_t   bus_id;		/* Bus ID for SIM */
667	u_int32_t   base_transfer_speed;/* Base bus speed in KB/sec */
668	cam_proto   protocol;
669	u_int	    protocol_version;
670	cam_xport   transport;
671	u_int	    transport_version;
672	union {
673		struct ccb_pathinq_settings_spi spi;
674		struct ccb_pathinq_settings_fc fc;
675		struct ccb_pathinq_settings_sas sas;
676		struct ccb_pathinq_settings_nvme nvme;
677		char ccb_pathinq_settings_opaque[PATHINQ_SETTINGS_SIZE];
678	} xport_specific;
679	u_int		maxio;		/* Max supported I/O size, in bytes. */
680	u_int16_t	hba_vendor;	/* HBA vendor ID */
681	u_int16_t	hba_device;	/* HBA device ID */
682	u_int16_t	hba_subvendor;	/* HBA subvendor ID */
683	u_int16_t	hba_subdevice;	/* HBA subdevice ID */
684};
685
686/* Path Statistics CCB */
687struct ccb_pathstats {
688	struct	ccb_hdr	ccb_h;
689	struct	timeval last_reset;	/* Time of last bus reset/loop init */
690};
691
692typedef enum {
693	SMP_FLAG_NONE		= 0x00,
694	SMP_FLAG_REQ_SG		= 0x01,
695	SMP_FLAG_RSP_SG		= 0x02
696} ccb_smp_pass_flags;
697
698/*
699 * Serial Management Protocol CCB
700 * XXX Currently the semantics for this CCB are that it is executed either
701 * by the addressed device, or that device's parent (i.e. an expander for
702 * any device on an expander) if the addressed device doesn't support SMP.
703 * Later, once we have the ability to probe SMP-only devices and put them
704 * in CAM's topology, the CCB will only be executed by the addressed device
705 * if possible.
706 */
707struct ccb_smpio {
708	struct ccb_hdr		ccb_h;
709	uint8_t			*smp_request;
710	int			smp_request_len;
711	uint16_t		smp_request_sglist_cnt;
712	uint8_t			*smp_response;
713	int			smp_response_len;
714	uint16_t		smp_response_sglist_cnt;
715	ccb_smp_pass_flags	flags;
716};
717
718typedef union {
719	u_int8_t *sense_ptr;		/*
720					 * Pointer to storage
721					 * for sense information
722					 */
723	                                /* Storage Area for sense information */
724	struct	 scsi_sense_data sense_buf;
725} sense_t;
726
727typedef union {
728	u_int8_t  *cdb_ptr;		/* Pointer to the CDB bytes to send */
729					/* Area for the CDB send */
730	u_int8_t  cdb_bytes[IOCDBLEN];
731} cdb_t;
732
733/*
734 * SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO
735 * function codes.
736 */
737struct ccb_scsiio {
738	struct	   ccb_hdr ccb_h;
739	union	   ccb *next_ccb;	/* Ptr for next CCB for action */
740	u_int8_t   *req_map;		/* Ptr to mapping info */
741	u_int8_t   *data_ptr;		/* Ptr to the data buf/SG list */
742	u_int32_t  dxfer_len;		/* Data transfer length */
743					/* Autosense storage */
744	struct     scsi_sense_data sense_data;
745	u_int8_t   sense_len;		/* Number of bytes to autosense */
746	u_int8_t   cdb_len;		/* Number of bytes for the CDB */
747	u_int16_t  sglist_cnt;		/* Number of SG list entries */
748	u_int8_t   scsi_status;		/* Returned SCSI status */
749	u_int8_t   sense_resid;		/* Autosense resid length: 2's comp */
750	u_int32_t  resid;		/* Transfer residual length: 2's comp */
751	cdb_t	   cdb_io;		/* Union for CDB bytes/pointer */
752	u_int8_t   *msg_ptr;		/* Pointer to the message buffer */
753	u_int16_t  msg_len;		/* Number of bytes for the Message */
754	u_int8_t   tag_action;		/* What to do for tag queueing */
755	/*
756	 * The tag action should be either the define below (to send a
757	 * non-tagged transaction) or one of the defined scsi tag messages
758	 * from scsi_message.h.
759	 */
760#define		CAM_TAG_ACTION_NONE	0x00
761	uint8_t	   priority;		/* Command priority for SIMPLE tag */
762	u_int	   tag_id;		/* tag id from initator (target mode) */
763	u_int	   init_id;		/* initiator id of who selected */
764#if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
765	struct bio *bio;		/* Associated bio */
766#endif
767};
768
769static __inline uint8_t *
770scsiio_cdb_ptr(struct ccb_scsiio *ccb)
771{
772	return ((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
773	    ccb->cdb_io.cdb_ptr : ccb->cdb_io.cdb_bytes);
774}
775
776/*
777 * ATA I/O Request CCB used for the XPT_ATA_IO function code.
778 */
779struct ccb_ataio {
780	struct	   ccb_hdr ccb_h;
781	union	   ccb *next_ccb;	/* Ptr for next CCB for action */
782	struct ata_cmd	cmd;		/* ATA command register set */
783	struct ata_res	res;		/* ATA result register set */
784	u_int8_t   *data_ptr;		/* Ptr to the data buf/SG list */
785	u_int32_t  dxfer_len;		/* Data transfer length */
786	u_int32_t  resid;		/* Transfer residual length: 2's comp */
787	u_int8_t   ata_flags;		/* Flags for the rest of the buffer */
788#define ATA_FLAG_AUX 0x1
789#define ATA_FLAG_ICC 0x2
790	uint8_t    icc;			/* Isochronous Command Completion */
791	uint32_t   aux;
792	uint32_t   unused;
793};
794
795/*
796 * MMC I/O Request CCB used for the XPT_MMC_IO function code.
797 */
798struct ccb_mmcio {
799	struct	   ccb_hdr ccb_h;
800	union	   ccb *next_ccb;	/* Ptr for next CCB for action */
801	struct mmc_command cmd;
802        struct mmc_command stop;
803};
804
805struct ccb_accept_tio {
806	struct	   ccb_hdr ccb_h;
807	cdb_t	   cdb_io;		/* Union for CDB bytes/pointer */
808	u_int8_t   cdb_len;		/* Number of bytes for the CDB */
809	u_int8_t   tag_action;		/* What to do for tag queueing */
810	u_int8_t   sense_len;		/* Number of bytes of Sense Data */
811	uint8_t	   priority;		/* Command priority for SIMPLE tag */
812	u_int      tag_id;		/* tag id from initator (target mode) */
813	u_int      init_id;		/* initiator id of who selected */
814	struct     scsi_sense_data sense_data;
815};
816
817static __inline uint8_t *
818atio_cdb_ptr(struct ccb_accept_tio *ccb)
819{
820	return ((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
821	    ccb->cdb_io.cdb_ptr : ccb->cdb_io.cdb_bytes);
822}
823
824/* Release SIM Queue */
825struct ccb_relsim {
826	struct ccb_hdr ccb_h;
827	u_int32_t      release_flags;
828#define RELSIM_ADJUST_OPENINGS		0x01
829#define RELSIM_RELEASE_AFTER_TIMEOUT	0x02
830#define RELSIM_RELEASE_AFTER_CMDCMPLT	0x04
831#define RELSIM_RELEASE_AFTER_QEMPTY	0x08
832	u_int32_t      openings;
833	u_int32_t      release_timeout;	/* Abstract argument. */
834	u_int32_t      qfrozen_cnt;
835};
836
837/*
838 * NVMe I/O Request CCB used for the XPT_NVME_IO and XPT_NVME_ADMIN function codes.
839 */
840struct ccb_nvmeio {
841	struct	   ccb_hdr ccb_h;
842	union	   ccb *next_ccb;	/* Ptr for next CCB for action */
843	struct nvme_command cmd;	/* NVME command, per NVME standard */
844	struct nvme_completion cpl;	/* NVME completion, per NVME standard */
845	uint8_t   *data_ptr;		/* Ptr to the data buf/SG list */
846	uint32_t  dxfer_len;		/* Data transfer length */
847	uint16_t  sglist_cnt;		/* Number of SG list entries */
848	uint16_t  unused;		/* padding for removed uint32_t */
849};
850
851/*
852 * Definitions for the asynchronous callback CCB fields.
853 */
854typedef enum {
855	AC_UNIT_ATTENTION	= 0x4000,/* Device reported UNIT ATTENTION */
856	AC_ADVINFO_CHANGED	= 0x2000,/* Advance info might have changes */
857	AC_CONTRACT		= 0x1000,/* A contractual callback */
858	AC_GETDEV_CHANGED	= 0x800,/* Getdev info might have changed */
859	AC_INQ_CHANGED		= 0x400,/* Inquiry info might have changed */
860	AC_TRANSFER_NEG		= 0x200,/* New transfer settings in effect */
861	AC_LOST_DEVICE		= 0x100,/* A device went away */
862	AC_FOUND_DEVICE		= 0x080,/* A new device was found */
863	AC_PATH_DEREGISTERED	= 0x040,/* A path has de-registered */
864	AC_PATH_REGISTERED	= 0x020,/* A new path has been registered */
865	AC_SENT_BDR		= 0x010,/* A BDR message was sent to target */
866	AC_SCSI_AEN		= 0x008,/* A SCSI AEN has been received */
867	AC_UNSOL_RESEL		= 0x002,/* Unsolicited reselection occurred */
868	AC_BUS_RESET		= 0x001	/* A SCSI bus reset occurred */
869} ac_code;
870
871typedef void ac_callback_t (void *softc, u_int32_t code,
872			    struct cam_path *path, void *args);
873
874/*
875 * Generic Asynchronous callbacks.
876 *
877 * Generic arguments passed bac which are then interpreted between a per-system
878 * contract number.
879 */
880#define	AC_CONTRACT_DATA_MAX (128 - sizeof (u_int64_t))
881struct ac_contract {
882	u_int64_t	contract_number;
883	u_int8_t	contract_data[AC_CONTRACT_DATA_MAX];
884};
885
886#define	AC_CONTRACT_DEV_CHG	1
887struct ac_device_changed {
888	u_int64_t	wwpn;
889	u_int32_t	port;
890	target_id_t	target;
891	u_int8_t	arrived;
892};
893
894/* Set Asynchronous Callback CCB */
895struct ccb_setasync {
896	struct ccb_hdr	 ccb_h;
897	u_int32_t	 event_enable;	/* Async Event enables */
898	ac_callback_t	*callback;
899	void		*callback_arg;
900};
901
902/* Set Device Type CCB */
903struct ccb_setdev {
904	struct	   ccb_hdr ccb_h;
905	u_int8_t   dev_type;	/* Value for dev type field in EDT */
906};
907
908/* SCSI Control Functions */
909
910/* Abort XPT request CCB */
911struct ccb_abort {
912	struct 	ccb_hdr ccb_h;
913	union	ccb *abort_ccb;	/* Pointer to CCB to abort */
914};
915
916/* Reset SCSI Bus CCB */
917struct ccb_resetbus {
918	struct	ccb_hdr ccb_h;
919};
920
921/* Reset SCSI Device CCB */
922struct ccb_resetdev {
923	struct	ccb_hdr ccb_h;
924};
925
926/* Terminate I/O Process Request CCB */
927struct ccb_termio {
928	struct	ccb_hdr ccb_h;
929	union	ccb *termio_ccb;	/* Pointer to CCB to terminate */
930};
931
932typedef enum {
933	CTS_TYPE_CURRENT_SETTINGS,
934	CTS_TYPE_USER_SETTINGS
935} cts_type;
936
937struct ccb_trans_settings_scsi
938{
939	u_int	valid;	/* Which fields to honor */
940#define	CTS_SCSI_VALID_TQ		0x01
941	u_int	flags;
942#define	CTS_SCSI_FLAGS_TAG_ENB		0x01
943};
944
945struct ccb_trans_settings_ata
946{
947	u_int	valid;	/* Which fields to honor */
948#define	CTS_ATA_VALID_TQ		0x01
949	u_int	flags;
950#define	CTS_ATA_FLAGS_TAG_ENB		0x01
951};
952
953struct ccb_trans_settings_spi
954{
955	u_int	  valid;	/* Which fields to honor */
956#define	CTS_SPI_VALID_SYNC_RATE		0x01
957#define	CTS_SPI_VALID_SYNC_OFFSET	0x02
958#define	CTS_SPI_VALID_BUS_WIDTH		0x04
959#define	CTS_SPI_VALID_DISC		0x08
960#define CTS_SPI_VALID_PPR_OPTIONS	0x10
961	u_int	flags;
962#define	CTS_SPI_FLAGS_DISC_ENB		0x01
963	u_int	sync_period;
964	u_int	sync_offset;
965	u_int	bus_width;
966	u_int	ppr_options;
967};
968
969struct ccb_trans_settings_fc {
970	u_int     	valid;		/* Which fields to honor */
971#define	CTS_FC_VALID_WWNN		0x8000
972#define	CTS_FC_VALID_WWPN		0x4000
973#define	CTS_FC_VALID_PORT		0x2000
974#define	CTS_FC_VALID_SPEED		0x1000
975	u_int64_t	wwnn;		/* world wide node name */
976	u_int64_t 	wwpn;		/* world wide port name */
977	u_int32_t 	port;		/* 24 bit port id, if known */
978	u_int32_t 	bitrate;	/* Mbps */
979};
980
981struct ccb_trans_settings_sas {
982	u_int     	valid;		/* Which fields to honor */
983#define	CTS_SAS_VALID_SPEED		0x1000
984	u_int32_t 	bitrate;	/* Mbps */
985};
986
987struct ccb_trans_settings_pata {
988	u_int     	valid;		/* Which fields to honor */
989#define	CTS_ATA_VALID_MODE		0x01
990#define	CTS_ATA_VALID_BYTECOUNT		0x02
991#define	CTS_ATA_VALID_ATAPI		0x20
992#define	CTS_ATA_VALID_CAPS		0x40
993	int		mode;		/* Mode */
994	u_int 		bytecount;	/* Length of PIO transaction */
995	u_int 		atapi;		/* Length of ATAPI CDB */
996	u_int 		caps;		/* Device and host SATA caps. */
997#define	CTS_ATA_CAPS_H			0x0000ffff
998#define	CTS_ATA_CAPS_H_DMA48		0x00000001 /* 48-bit DMA */
999#define	CTS_ATA_CAPS_D			0xffff0000
1000};
1001
1002struct ccb_trans_settings_sata {
1003	u_int     	valid;		/* Which fields to honor */
1004#define	CTS_SATA_VALID_MODE		0x01
1005#define	CTS_SATA_VALID_BYTECOUNT	0x02
1006#define	CTS_SATA_VALID_REVISION		0x04
1007#define	CTS_SATA_VALID_PM		0x08
1008#define	CTS_SATA_VALID_TAGS		0x10
1009#define	CTS_SATA_VALID_ATAPI		0x20
1010#define	CTS_SATA_VALID_CAPS		0x40
1011	int		mode;		/* Legacy PATA mode */
1012	u_int 		bytecount;	/* Length of PIO transaction */
1013	int		revision;	/* SATA revision */
1014	u_int 		pm_present;	/* PM is present (XPT->SIM) */
1015	u_int 		tags;		/* Number of allowed tags */
1016	u_int 		atapi;		/* Length of ATAPI CDB */
1017	u_int 		caps;		/* Device and host SATA caps. */
1018#define	CTS_SATA_CAPS_H			0x0000ffff
1019#define	CTS_SATA_CAPS_H_PMREQ		0x00000001
1020#define	CTS_SATA_CAPS_H_APST		0x00000002
1021#define	CTS_SATA_CAPS_H_DMAAA		0x00000010 /* Auto-activation */
1022#define	CTS_SATA_CAPS_H_AN		0x00000020 /* Async. notification */
1023#define	CTS_SATA_CAPS_D			0xffff0000
1024#define	CTS_SATA_CAPS_D_PMREQ		0x00010000
1025#define	CTS_SATA_CAPS_D_APST		0x00020000
1026};
1027
1028struct ccb_trans_settings_nvme
1029{
1030	u_int     	valid;		/* Which fields to honor */
1031#define CTS_NVME_VALID_SPEC	0x01
1032#define CTS_NVME_VALID_CAPS	0x02
1033#define CTS_NVME_VALID_LINK	0x04
1034	uint32_t	spec;		/* NVMe spec implemented -- same as vs register */
1035	uint32_t	max_xfer;	/* Max transfer size (0 -> unlimited */
1036	uint32_t	caps;
1037	uint8_t		lanes;		/* Number of PCIe lanes */
1038	uint8_t		speed;		/* PCIe generation for each lane */
1039	uint8_t		max_lanes;	/* Number of PCIe lanes */
1040	uint8_t		max_speed;	/* PCIe generation for each lane */
1041};
1042
1043#include <cam/mmc/mmc_bus.h>
1044struct ccb_trans_settings_mmc {
1045	struct mmc_ios ios;
1046#define MMC_CLK		(1 << 1)
1047#define MMC_VDD		(1 << 2)
1048#define MMC_CS		(1 << 3)
1049#define MMC_BW		(1 << 4)
1050#define MMC_PM		(1 << 5)
1051#define MMC_BT		(1 << 6)
1052#define MMC_BM		(1 << 7)
1053#define MMC_VCCQ        (1 << 8)
1054	uint32_t ios_valid;
1055/* The folowing is used only for GET_TRAN_SETTINGS */
1056	uint32_t	host_ocr;
1057	int host_f_min;
1058	int host_f_max;
1059/* Copied from sys/dev/mmc/bridge.h */
1060#define	MMC_CAP_4_BIT_DATA	(1 <<  0) /* Can do 4-bit data transfers */
1061#define	MMC_CAP_8_BIT_DATA	(1 <<  1) /* Can do 8-bit data transfers */
1062#define	MMC_CAP_HSPEED		(1 <<  2) /* Can do High Speed transfers */
1063#define	MMC_CAP_BOOT_NOACC	(1 <<  4) /* Cannot access boot partitions */
1064#define	MMC_CAP_WAIT_WHILE_BUSY	(1 <<  5) /* Host waits for busy responses */
1065#define	MMC_CAP_UHS_SDR12	(1 <<  6) /* Can do UHS SDR12 */
1066#define	MMC_CAP_UHS_SDR25	(1 <<  7) /* Can do UHS SDR25 */
1067#define	MMC_CAP_UHS_SDR50	(1 <<  8) /* Can do UHS SDR50 */
1068#define	MMC_CAP_UHS_SDR104	(1 <<  9) /* Can do UHS SDR104 */
1069#define	MMC_CAP_UHS_DDR50	(1 << 10) /* Can do UHS DDR50 */
1070#define	MMC_CAP_MMC_DDR52_120	(1 << 11) /* Can do eMMC DDR52 at 1.2 V */
1071#define	MMC_CAP_MMC_DDR52_180	(1 << 12) /* Can do eMMC DDR52 at 1.8 V */
1072#define	MMC_CAP_MMC_DDR52	(MMC_CAP_MMC_DDR52_120 | MMC_CAP_MMC_DDR52_180)
1073#define	MMC_CAP_MMC_HS200_120	(1 << 13) /* Can do eMMC HS200 at 1.2 V */
1074#define	MMC_CAP_MMC_HS200_180	(1 << 14) /* Can do eMMC HS200 at 1.8 V */
1075#define	MMC_CAP_MMC_HS200	(MMC_CAP_MMC_HS200_120| MMC_CAP_MMC_HS200_180)
1076#define	MMC_CAP_MMC_HS400_120	(1 << 15) /* Can do eMMC HS400 at 1.2 V */
1077#define	MMC_CAP_MMC_HS400_180	(1 << 16) /* Can do eMMC HS400 at 1.8 V */
1078#define	MMC_CAP_MMC_HS400	(MMC_CAP_MMC_HS400_120 | MMC_CAP_MMC_HS400_180)
1079#define	MMC_CAP_MMC_HSX00_120	(MMC_CAP_MMC_HS200_120 | MMC_CAP_MMC_HS400_120)
1080#define	MMC_CAP_MMC_ENH_STROBE	(1 << 17) /* Can do eMMC Enhanced Strobe */
1081#define	MMC_CAP_SIGNALING_120	(1 << 18) /* Can do signaling at 1.2 V */
1082#define	MMC_CAP_SIGNALING_180	(1 << 19) /* Can do signaling at 1.8 V */
1083#define	MMC_CAP_SIGNALING_330	(1 << 20) /* Can do signaling at 3.3 V */
1084#define	MMC_CAP_DRIVER_TYPE_A	(1 << 21) /* Can do Driver Type A */
1085#define	MMC_CAP_DRIVER_TYPE_C	(1 << 22) /* Can do Driver Type C */
1086#define	MMC_CAP_DRIVER_TYPE_D	(1 << 23) /* Can do Driver Type D */
1087
1088	uint32_t host_caps;
1089	uint32_t host_max_data;
1090};
1091
1092/* Get/Set transfer rate/width/disconnection/tag queueing settings */
1093struct ccb_trans_settings {
1094	struct	  ccb_hdr ccb_h;
1095	cts_type  type;		/* Current or User settings */
1096	cam_proto protocol;
1097	u_int	  protocol_version;
1098	cam_xport transport;
1099	u_int	  transport_version;
1100	union {
1101		u_int  valid;	/* Which fields to honor */
1102		struct ccb_trans_settings_ata ata;
1103		struct ccb_trans_settings_scsi scsi;
1104		struct ccb_trans_settings_nvme nvme;
1105		struct ccb_trans_settings_mmc mmc;
1106	} proto_specific;
1107	union {
1108		u_int  valid;	/* Which fields to honor */
1109		struct ccb_trans_settings_spi spi;
1110		struct ccb_trans_settings_fc fc;
1111		struct ccb_trans_settings_sas sas;
1112		struct ccb_trans_settings_pata ata;
1113		struct ccb_trans_settings_sata sata;
1114		struct ccb_trans_settings_nvme nvme;
1115	} xport_specific;
1116};
1117
1118/*
1119 * Calculate the geometry parameters for a device
1120 * give the block size and volume size in blocks.
1121 */
1122struct ccb_calc_geometry {
1123	struct	  ccb_hdr ccb_h;
1124	u_int32_t block_size;
1125	u_int64_t volume_size;
1126	u_int32_t cylinders;
1127	u_int8_t  heads;
1128	u_int8_t  secs_per_track;
1129};
1130
1131/*
1132 * Set or get SIM (and transport) specific knobs
1133 */
1134
1135#define	KNOB_VALID_ADDRESS	0x1
1136#define	KNOB_VALID_ROLE		0x2
1137
1138#define	KNOB_ROLE_NONE		0x0
1139#define	KNOB_ROLE_INITIATOR	0x1
1140#define	KNOB_ROLE_TARGET	0x2
1141#define	KNOB_ROLE_BOTH		0x3
1142
1143struct ccb_sim_knob_settings_spi {
1144	u_int		valid;
1145	u_int		initiator_id;
1146	u_int		role;
1147};
1148
1149struct ccb_sim_knob_settings_fc {
1150	u_int		valid;
1151	u_int64_t	wwnn;		/* world wide node name */
1152	u_int64_t 	wwpn;		/* world wide port name */
1153	u_int		role;
1154};
1155
1156struct ccb_sim_knob_settings_sas {
1157	u_int		valid;
1158	u_int64_t	wwnn;		/* world wide node name */
1159	u_int		role;
1160};
1161#define	KNOB_SETTINGS_SIZE	128
1162
1163struct ccb_sim_knob {
1164	struct	  ccb_hdr ccb_h;
1165	union {
1166		u_int  valid;	/* Which fields to honor */
1167		struct ccb_sim_knob_settings_spi spi;
1168		struct ccb_sim_knob_settings_fc fc;
1169		struct ccb_sim_knob_settings_sas sas;
1170		char pad[KNOB_SETTINGS_SIZE];
1171	} xport_specific;
1172};
1173
1174/*
1175 * Rescan the given bus, or bus/target/lun
1176 */
1177struct ccb_rescan {
1178	struct	ccb_hdr ccb_h;
1179	cam_flags	flags;
1180};
1181
1182/*
1183 * Turn on debugging for the given bus, bus/target, or bus/target/lun.
1184 */
1185struct ccb_debug {
1186	struct	ccb_hdr ccb_h;
1187	cam_debug_flags flags;
1188};
1189
1190/* Target mode structures. */
1191
1192struct ccb_en_lun {
1193	struct	  ccb_hdr ccb_h;
1194	u_int16_t grp6_len;		/* Group 6 VU CDB length */
1195	u_int16_t grp7_len;		/* Group 7 VU CDB length */
1196	u_int8_t  enable;
1197};
1198
1199/* old, barely used immediate notify, binary compatibility */
1200struct ccb_immed_notify {
1201	struct	  ccb_hdr ccb_h;
1202	struct    scsi_sense_data sense_data;
1203	u_int8_t  sense_len;		/* Number of bytes in sense buffer */
1204	u_int8_t  initiator_id;		/* Id of initiator that selected */
1205	u_int8_t  message_args[7];	/* Message Arguments */
1206};
1207
1208struct ccb_notify_ack {
1209	struct	  ccb_hdr ccb_h;
1210	u_int16_t seq_id;		/* Sequence identifier */
1211	u_int8_t  event;		/* Event flags */
1212};
1213
1214struct ccb_immediate_notify {
1215	struct    ccb_hdr ccb_h;
1216	u_int     tag_id;		/* Tag for immediate notify */
1217	u_int     seq_id;		/* Tag for target of notify */
1218	u_int     initiator_id;		/* Initiator Identifier */
1219	u_int     arg;			/* Function specific */
1220};
1221
1222struct ccb_notify_acknowledge {
1223	struct    ccb_hdr ccb_h;
1224	u_int     tag_id;		/* Tag for immediate notify */
1225	u_int     seq_id;		/* Tar for target of notify */
1226	u_int     initiator_id;		/* Initiator Identifier */
1227	u_int     arg;			/* Response information */
1228	/*
1229	 * Lower byte of arg is one of RESPONSE CODE values defined below
1230	 * (subset of response codes from SPL-4 and FCP-4 specifications),
1231	 * upper 3 bytes is code-specific ADDITIONAL RESPONSE INFORMATION.
1232	 */
1233#define	CAM_RSP_TMF_COMPLETE		0x00
1234#define	CAM_RSP_TMF_REJECTED		0x04
1235#define	CAM_RSP_TMF_FAILED		0x05
1236#define	CAM_RSP_TMF_SUCCEEDED		0x08
1237#define	CAM_RSP_TMF_INCORRECT_LUN	0x09
1238};
1239
1240/* HBA engine structures. */
1241
1242typedef enum {
1243	EIT_BUFFER,	/* Engine type: buffer memory */
1244	EIT_LOSSLESS,	/* Engine type: lossless compression */
1245	EIT_LOSSY,	/* Engine type: lossy compression */
1246	EIT_ENCRYPT	/* Engine type: encryption */
1247} ei_type;
1248
1249typedef enum {
1250	EAD_VUNIQUE,	/* Engine algorithm ID: vendor unique */
1251	EAD_LZ1V1,	/* Engine algorithm ID: LZ1 var.1 */
1252	EAD_LZ2V1,	/* Engine algorithm ID: LZ2 var.1 */
1253	EAD_LZ2V2	/* Engine algorithm ID: LZ2 var.2 */
1254} ei_algo;
1255
1256struct ccb_eng_inq {
1257	struct	  ccb_hdr ccb_h;
1258	u_int16_t eng_num;	/* The engine number for this inquiry */
1259	ei_type   eng_type;	/* Returned engine type */
1260	ei_algo   eng_algo;	/* Returned engine algorithm type */
1261	u_int32_t eng_memeory;	/* Returned engine memory size */
1262};
1263
1264struct ccb_eng_exec {	/* This structure must match SCSIIO size */
1265	struct	  ccb_hdr ccb_h;
1266	u_int8_t  *pdrv_ptr;	/* Ptr used by the peripheral driver */
1267	u_int8_t  *req_map;	/* Ptr for mapping info on the req. */
1268	u_int8_t  *data_ptr;	/* Pointer to the data buf/SG list */
1269	u_int32_t dxfer_len;	/* Data transfer length */
1270	u_int8_t  *engdata_ptr;	/* Pointer to the engine buffer data */
1271	u_int16_t sglist_cnt;	/* Num of scatter gather list entries */
1272	u_int32_t dmax_len;	/* Destination data maximum length */
1273	u_int32_t dest_len;	/* Destination data length */
1274	int32_t	  src_resid;	/* Source residual length: 2's comp */
1275	u_int32_t timeout;	/* Timeout value */
1276	u_int16_t eng_num;	/* Engine number for this request */
1277	u_int16_t vu_flags;	/* Vendor Unique flags */
1278};
1279
1280/*
1281 * Definitions for the timeout field in the SCSI I/O CCB.
1282 */
1283#define	CAM_TIME_DEFAULT	0x00000000	/* Use SIM default value */
1284#define	CAM_TIME_INFINITY	0xFFFFFFFF	/* Infinite timeout */
1285
1286#define	CAM_SUCCESS	0	/* For signaling general success */
1287#define	CAM_FAILURE	1	/* For signaling general failure */
1288
1289#define CAM_FALSE	0
1290#define CAM_TRUE	1
1291
1292#define XPT_CCB_INVALID	-1	/* for signaling a bad CCB to free */
1293
1294/*
1295 * CCB for working with advanced device information.  This operates in a fashion
1296 * similar to XPT_GDEV_TYPE.  Specify the target in ccb_h, the buffer
1297 * type requested, and provide a buffer size/buffer to write to.  If the
1298 * buffer is too small, provsiz will be larger than bufsiz.
1299 */
1300struct ccb_dev_advinfo {
1301	struct ccb_hdr ccb_h;
1302	uint32_t flags;
1303#define	CDAI_FLAG_NONE		0x0	/* No flags set */
1304#define	CDAI_FLAG_STORE		0x1	/* If set, action becomes store */
1305	uint32_t buftype;		/* IN: Type of data being requested */
1306	/* NB: buftype is interpreted on a per-transport basis */
1307#define	CDAI_TYPE_SCSI_DEVID	1
1308#define	CDAI_TYPE_SERIAL_NUM	2
1309#define	CDAI_TYPE_PHYS_PATH	3
1310#define	CDAI_TYPE_RCAPLONG	4
1311#define	CDAI_TYPE_EXT_INQ	5
1312#define	CDAI_TYPE_NVME_CNTRL	6	/* NVMe Identify Controller data */
1313#define	CDAI_TYPE_NVME_NS	7	/* NVMe Identify Namespace data */
1314#define	CDAI_TYPE_MMC_PARAMS	8	/* MMC/SD ident */
1315	off_t bufsiz;			/* IN: Size of external buffer */
1316#define	CAM_SCSI_DEVID_MAXLEN	65536	/* length in buffer is an uint16_t */
1317	off_t provsiz;			/* OUT: Size required/used */
1318	uint8_t *buf;			/* IN/OUT: Buffer for requested data */
1319};
1320
1321/*
1322 * CCB for sending async events
1323 */
1324struct ccb_async {
1325	struct ccb_hdr ccb_h;
1326	uint32_t async_code;
1327	off_t async_arg_size;
1328	void *async_arg_ptr;
1329};
1330
1331/*
1332 * Union of all CCB types for kernel space allocation.  This union should
1333 * never be used for manipulating CCBs - its only use is for the allocation
1334 * and deallocation of raw CCB space and is the return type of xpt_ccb_alloc
1335 * and the argument to xpt_ccb_free.
1336 */
1337union ccb {
1338	struct	ccb_hdr			ccb_h;	/* For convenience */
1339	struct	ccb_scsiio		csio;
1340	struct	ccb_getdev		cgd;
1341	struct	ccb_getdevlist		cgdl;
1342	struct	ccb_pathinq		cpi;
1343	struct	ccb_relsim		crs;
1344	struct	ccb_setasync		csa;
1345	struct	ccb_setdev		csd;
1346	struct	ccb_pathstats		cpis;
1347	struct	ccb_getdevstats		cgds;
1348	struct	ccb_dev_match		cdm;
1349	struct	ccb_trans_settings	cts;
1350	struct	ccb_calc_geometry	ccg;
1351	struct	ccb_sim_knob		knob;
1352	struct	ccb_abort		cab;
1353	struct	ccb_resetbus		crb;
1354	struct	ccb_resetdev		crd;
1355	struct	ccb_termio		tio;
1356	struct	ccb_accept_tio		atio;
1357	struct	ccb_scsiio		ctio;
1358	struct	ccb_en_lun		cel;
1359	struct	ccb_immed_notify	cin;
1360	struct	ccb_notify_ack		cna;
1361	struct	ccb_immediate_notify	cin1;
1362	struct	ccb_notify_acknowledge	cna2;
1363	struct	ccb_eng_inq		cei;
1364	struct	ccb_eng_exec		cee;
1365	struct	ccb_smpio		smpio;
1366	struct 	ccb_rescan		crcn;
1367	struct  ccb_debug		cdbg;
1368	struct	ccb_ataio		ataio;
1369	struct	ccb_dev_advinfo		cdai;
1370	struct	ccb_async		casync;
1371	struct	ccb_nvmeio		nvmeio;
1372	struct	ccb_mmcio		mmcio;
1373};
1374
1375#define CCB_CLEAR_ALL_EXCEPT_HDR(ccbp)			\
1376	bzero((char *)(ccbp) + sizeof((ccbp)->ccb_h),	\
1377	    sizeof(*(ccbp)) - sizeof((ccbp)->ccb_h))
1378
1379__BEGIN_DECLS
1380static __inline void
1381cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries,
1382	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1383	      u_int32_t flags, u_int8_t tag_action,
1384	      u_int8_t *data_ptr, u_int32_t dxfer_len,
1385	      u_int8_t sense_len, u_int8_t cdb_len,
1386	      u_int32_t timeout)
1387{
1388	csio->ccb_h.func_code = XPT_SCSI_IO;
1389	csio->ccb_h.flags = flags;
1390	csio->ccb_h.xflags = 0;
1391	csio->ccb_h.retry_count = retries;
1392	csio->ccb_h.cbfcnp = cbfcnp;
1393	csio->ccb_h.timeout = timeout;
1394	csio->data_ptr = data_ptr;
1395	csio->dxfer_len = dxfer_len;
1396	csio->sense_len = sense_len;
1397	csio->cdb_len = cdb_len;
1398	csio->tag_action = tag_action;
1399	csio->priority = 0;
1400#if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
1401	csio->bio = NULL;
1402#endif
1403}
1404
1405static __inline void
1406cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries,
1407	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1408	      u_int32_t flags, u_int tag_action, u_int tag_id,
1409	      u_int init_id, u_int scsi_status, u_int8_t *data_ptr,
1410	      u_int32_t dxfer_len, u_int32_t timeout)
1411{
1412	csio->ccb_h.func_code = XPT_CONT_TARGET_IO;
1413	csio->ccb_h.flags = flags;
1414	csio->ccb_h.xflags = 0;
1415	csio->ccb_h.retry_count = retries;
1416	csio->ccb_h.cbfcnp = cbfcnp;
1417	csio->ccb_h.timeout = timeout;
1418	csio->data_ptr = data_ptr;
1419	csio->dxfer_len = dxfer_len;
1420	csio->scsi_status = scsi_status;
1421	csio->tag_action = tag_action;
1422	csio->priority = 0;
1423	csio->tag_id = tag_id;
1424	csio->init_id = init_id;
1425}
1426
1427static __inline void
1428cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries,
1429	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1430	      u_int32_t flags, u_int tag_action __unused,
1431	      u_int8_t *data_ptr, u_int32_t dxfer_len,
1432	      u_int32_t timeout)
1433{
1434	ataio->ccb_h.func_code = XPT_ATA_IO;
1435	ataio->ccb_h.flags = flags;
1436	ataio->ccb_h.retry_count = retries;
1437	ataio->ccb_h.cbfcnp = cbfcnp;
1438	ataio->ccb_h.timeout = timeout;
1439	ataio->data_ptr = data_ptr;
1440	ataio->dxfer_len = dxfer_len;
1441	ataio->ata_flags = 0;
1442}
1443
1444static __inline void
1445cam_fill_smpio(struct ccb_smpio *smpio, uint32_t retries,
1446	       void (*cbfcnp)(struct cam_periph *, union ccb *), uint32_t flags,
1447	       uint8_t *smp_request, int smp_request_len,
1448	       uint8_t *smp_response, int smp_response_len,
1449	       uint32_t timeout)
1450{
1451#ifdef _KERNEL
1452	KASSERT((flags & CAM_DIR_MASK) == CAM_DIR_BOTH,
1453		("direction != CAM_DIR_BOTH"));
1454	KASSERT((smp_request != NULL) && (smp_response != NULL),
1455		("need valid request and response buffers"));
1456	KASSERT((smp_request_len != 0) && (smp_response_len != 0),
1457		("need non-zero request and response lengths"));
1458#endif /*_KERNEL*/
1459	smpio->ccb_h.func_code = XPT_SMP_IO;
1460	smpio->ccb_h.flags = flags;
1461	smpio->ccb_h.retry_count = retries;
1462	smpio->ccb_h.cbfcnp = cbfcnp;
1463	smpio->ccb_h.timeout = timeout;
1464	smpio->smp_request = smp_request;
1465	smpio->smp_request_len = smp_request_len;
1466	smpio->smp_response = smp_response;
1467	smpio->smp_response_len = smp_response_len;
1468}
1469
1470static __inline void
1471cam_fill_mmcio(struct ccb_mmcio *mmcio, uint32_t retries,
1472	       void (*cbfcnp)(struct cam_periph *, union ccb *), uint32_t flags,
1473	       uint32_t mmc_opcode, uint32_t mmc_arg, uint32_t mmc_flags,
1474	       struct mmc_data *mmc_d,
1475	       uint32_t timeout)
1476{
1477	mmcio->ccb_h.func_code = XPT_MMC_IO;
1478	mmcio->ccb_h.flags = flags;
1479	mmcio->ccb_h.retry_count = retries;
1480	mmcio->ccb_h.cbfcnp = cbfcnp;
1481	mmcio->ccb_h.timeout = timeout;
1482	mmcio->cmd.opcode = mmc_opcode;
1483	mmcio->cmd.arg = mmc_arg;
1484	mmcio->cmd.flags = mmc_flags;
1485	mmcio->stop.opcode = 0;
1486	mmcio->stop.arg = 0;
1487	mmcio->stop.flags = 0;
1488	if (mmc_d != NULL) {
1489		mmcio->cmd.data = mmc_d;
1490	} else
1491		mmcio->cmd.data = NULL;
1492	mmcio->cmd.resp[0] = 0;
1493	mmcio->cmd.resp[1] = 0;
1494	mmcio->cmd.resp[2] = 0;
1495	mmcio->cmd.resp[3] = 0;
1496}
1497
1498static __inline void
1499cam_set_ccbstatus(union ccb *ccb, cam_status status)
1500{
1501	ccb->ccb_h.status &= ~CAM_STATUS_MASK;
1502	ccb->ccb_h.status |= status;
1503}
1504
1505static __inline cam_status
1506cam_ccb_status(union ccb *ccb)
1507{
1508	return ((cam_status)(ccb->ccb_h.status & CAM_STATUS_MASK));
1509}
1510
1511void cam_calc_geometry(struct ccb_calc_geometry *ccg, int extended);
1512
1513static __inline void
1514cam_fill_nvmeio(struct ccb_nvmeio *nvmeio, u_int32_t retries,
1515	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1516	      u_int32_t flags, u_int8_t *data_ptr, u_int32_t dxfer_len,
1517	      u_int32_t timeout)
1518{
1519	nvmeio->ccb_h.func_code = XPT_NVME_IO;
1520	nvmeio->ccb_h.flags = flags;
1521	nvmeio->ccb_h.retry_count = retries;
1522	nvmeio->ccb_h.cbfcnp = cbfcnp;
1523	nvmeio->ccb_h.timeout = timeout;
1524	nvmeio->data_ptr = data_ptr;
1525	nvmeio->dxfer_len = dxfer_len;
1526}
1527
1528static __inline void
1529cam_fill_nvmeadmin(struct ccb_nvmeio *nvmeio, u_int32_t retries,
1530	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1531	      u_int32_t flags, u_int8_t *data_ptr, u_int32_t dxfer_len,
1532	      u_int32_t timeout)
1533{
1534	nvmeio->ccb_h.func_code = XPT_NVME_ADMIN;
1535	nvmeio->ccb_h.flags = flags;
1536	nvmeio->ccb_h.retry_count = retries;
1537	nvmeio->ccb_h.cbfcnp = cbfcnp;
1538	nvmeio->ccb_h.timeout = timeout;
1539	nvmeio->data_ptr = data_ptr;
1540	nvmeio->dxfer_len = dxfer_len;
1541}
1542__END_DECLS
1543
1544#endif /* _CAM_CAM_CCB_H */
1545