1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SI3124VAR_H
28 #define	_SI3124VAR_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 #define	SI3124_MAX_PORTS		4
37 #define	SI3132_MAX_PORTS		2
38 #define	SI_MAX_PORTS			SI3124_MAX_PORTS
39 
40 #define	SI_SUCCESS			(0)	/* successful return */
41 #define	SI_TIMEOUT			(1)	/* timed out */
42 #define	SI_FAILURE			(-1)	/* unsuccessful return */
43 
44 #define	SI_MAX_SGT_TABLES_PER_PRB	10
45 
46 /*
47  * While the si_sge_t and si_sgt_t correspond to the actual SGE and SGT
48  * definitions as per the datasheet, the si_sgblock_t (i.e scatter gather
49  * block) is a logical data structure which holds multiple SGT tables.
50  * The idea is to use multiple chained SGT tables per each PRB request.
51  */
52 
53 typedef struct si_sgblock {
54 	si_sgt_t sgb_sgt[SI_MAX_SGT_TABLES_PER_PRB];
55 } si_sgblock_t;
56 
57 /*
58  * Each SGT (Scatter Gather Table) has 4 SGEs (Scatter Gather Entries).
59  * But each SGT effectively can host only 3 SGEs since the last SGE entry
60  * is used to hold a link to the next SGT in the chain. However the last
61  * SGT in the chain can host all the 4 entries since it does not need to
62  * link any more.
63  */
64 #define	SI_MAX_SGL_LENGTH	(3*SI_MAX_SGT_TABLES_PER_PRB)+1
65 
66 typedef struct si_portmult_state {
67 	int sipm_num_ports;
68 	uint8_t sipm_port_type[15];
69 	/* one of PORT_TYPE_[NODEV | MULTIPLIER | ATAPI | DISK | UNKNOWN] */
70 
71 	/*
72 	 * sipm_port_type[] is good enough to capture the state of ports
73 	 * behind the multiplier. Since any of the port behind a multiplier
74 	 * is accessed through the same main controller port, we don't need
75 	 * additional si_port_state_t here.
76 	 */
77 
78 } si_portmult_state_t;
79 
80 
81 /* The following are for port types */
82 #define	PORT_TYPE_NODEV		0x0
83 #define	PORT_TYPE_MULTIPLIER	0x1
84 #define	PORT_TYPE_ATAPI		0x2
85 #define	PORT_TYPE_DISK		0x3
86 #define	PORT_TYPE_UNKNOWN	0x4
87 
88 /* The following are for active state */
89 #define	PORT_INACTIVE		0x0
90 #define	PORT_ACTIVE		0x1
91 
92 typedef struct si_port_state {
93 	uint8_t siport_port_type;
94 	/* one of PORT_TYPE_[NODEV | MULTIPLIER | ATAPI | DISK | UNKNOWN] */
95 
96 	uint8_t siport_active;		/* one of ACTIVE or INACTIVE */
97 
98 	si_portmult_state_t siport_portmult_state;
99 
100 	si_prb_t *siport_prbpool; 	/* These are 31 incore PRBs */
101 	uint64_t siport_prbpool_physaddr;
102 	ddi_dma_handle_t siport_prbpool_dma_handle;
103 	ddi_acc_handle_t siport_prbpool_acc_handle;
104 
105 
106 	si_sgblock_t *siport_sgbpool; 	/* These are 31 incore sg blocks */
107 	uint64_t siport_sgbpool_physaddr;
108 	ddi_dma_handle_t siport_sgbpool_dma_handle;
109 	ddi_acc_handle_t siport_sgbpool_acc_handle;
110 
111 	kmutex_t siport_mutex; 		/* main per port mutex */
112 	uint32_t siport_pending_tags;	/* remembers the pending tags */
113 	sata_pkt_t *siport_slot_pkts[SI_NUM_SLOTS];
114 
115 	/*
116 	 * While the reset is in progress, we don't accept any more commands
117 	 * until we receive the command with SATA_CLEAR_DEV_RESET_STATE flag.
118 	 * However any commands with SATA_IGNORE_DEV_RESET_STATE are allowed in
119 	 * during such blockage.
120 	 */
121 	int siport_reset_in_progress;
122 
123 	/*
124 	 * We mop the commands for either abort, reset, timeout or
125 	 * error handling cases. Only one such mopping thread is allowed
126 	 * at a time.
127 	 */
128 	int mopping_in_progress;
129 	kmutex_t siport_mop_mutex; 	/* limits one mop at a time */
130 
131 	/* error recovery related info */
132 	uint32_t siport_err_tags_SDBERROR;
133 	uint32_t siport_err_tags_nonSDBERROR;
134 	int siport_pending_ncq_count;
135 
136 } si_port_state_t;
137 
138 /* Warlock annotation */
139 _NOTE(MUTEX_PROTECTS_DATA(si_port_state_t::siport_mutex, si_port_state_t))
140 _NOTE(READ_ONLY_DATA(si_port_state_t::siport_prbpool_dma_handle))
141 _NOTE(READ_ONLY_DATA(si_port_state_t::siport_sgbpool_dma_handle))
142 
143 
144 typedef struct si_ctl_state {
145 
146 	dev_info_t *sictl_devinfop;
147 
148 	int sictl_num_ports;	/* number of controller ports */
149 	si_port_state_t *sictl_ports[SI_MAX_PORTS];
150 
151 	int sictl_devid; /* whether it is 3124 or 3132 */
152 	int sictl_flags; /* some important state of controller */
153 	int sictl_power_level;
154 
155 	/* pci config space handle */
156 	ddi_acc_handle_t sictl_pci_conf_handle;
157 
158 	/* mapping into bar 0 */
159 	ddi_acc_handle_t sictl_global_acc_handle;
160 	uintptr_t sictl_global_addr;
161 
162 	/* mapping into bar 1 */
163 	ddi_acc_handle_t sictl_port_acc_handle;
164 	uintptr_t sictl_port_addr;
165 
166 	struct sata_hba_tran *sictl_sata_hba_tran;
167 	timeout_id_t sictl_timeout_id;
168 
169 	kmutex_t sictl_mutex; 			/* per controller mutex */
170 
171 	ddi_intr_handle_t *sictl_htable;	/* For array of interrupts */
172 	int sictl_intr_type;			/* What type of interrupt */
173 	int sictl_intr_cnt;			/* # of intrs count returned */
174 	size_t sictl_intr_size;			/* Size of intr array */
175 	uint_t sictl_intr_pri;			/* Interrupt priority */
176 	int sictl_intr_cap;			/* Interrupt capabilities */
177 
178 } si_ctl_state_t;
179 
180 /* Warlock annotation */
181 _NOTE(MUTEX_PROTECTS_DATA(si_ctl_state_t::sictl_mutex,
182 					si_ctl_state_t::sictl_ports))
183 _NOTE(MUTEX_PROTECTS_DATA(si_ctl_state_t::sictl_mutex,
184 					si_ctl_state_t::sictl_power_level))
185 _NOTE(MUTEX_PROTECTS_DATA(si_ctl_state_t::sictl_mutex,
186 					si_ctl_state_t::sictl_flags))
187 _NOTE(MUTEX_PROTECTS_DATA(si_ctl_state_t::sictl_mutex,
188 					si_ctl_state_t::sictl_timeout_id))
189 /*
190  * flags for si_flags
191  */
192 #define	SI_PM			0x01
193 #define	SI_ATTACH		0x02
194 #define	SI_DETACH		0x04
195 #define	SI_NO_TIMEOUTS		0x08
196 #define	SI_FRAMEWORK_ATTACHED	0x10	/* are we attached to framework ? */
197 
198 /* progress values for si_attach */
199 #define	ATTACH_PROGRESS_NONE			(1<<0)
200 #define	ATTACH_PROGRESS_STATEP_ALLOC		(1<<1)
201 #define	ATTACH_PROGRESS_CONF_HANDLE		(1<<2)
202 #define	ATTACH_PROGRESS_BAR0_MAP		(1<<3)
203 #define	ATTACH_PROGRESS_BAR1_MAP		(1<<4)
204 #define	ATTACH_PROGRESS_INTR_ADDED		(1<<5)
205 #define	ATTACH_PROGRESS_MUTEX_INIT		(1<<6)
206 #define	ATTACH_PROGRESS_HW_INIT			(1<<7)
207 
208 #define	SI_10MS_TICKS	(drv_usectohz(10000))	/* ticks in 10 millisec */
209 #define	SI_1MS_TICKS	(drv_usectohz(1000))	/* ticks in 1 millisec */
210 #define	SI_1MS_USECS	(1000)			/* usecs in 1 millisec */
211 #define	SI_POLLRATE_SOFT_RESET		1000
212 #define	SI_POLLRATE_SSTATUS		10
213 #define	SI_POLLRATE_PORTREADY		50
214 #define	SI_POLLRATE_SLOTSTATUS		50
215 #define	SI_POLLRATE_RECOVERPORTMULT	1000
216 
217 #define	PORTMULT_CONTROL_PORT		0xf
218 
219 /* clearing & setting the n'th bit in a given tag */
220 #define	CLEAR_BIT(tag, bit)	(tag &= ~(0x1<<bit))
221 #define	SET_BIT(tag, bit)	(tag |= (0x1<<bit))
222 
223 #if DEBUG
224 
225 #define	SI_DBUG		1
226 
227 #define	SIDBG_TEST	0x0001
228 #define	SIDBG_INIT	0x0002
229 #define	SIDBG_ENTRY	0x0004
230 #define	SIDBG_DUMP_PRB	0x0008
231 #define	SIDBG_EVENT	0x0010
232 #define	SIDBG_POLL_LOOP	0x0020
233 #define	SIDBG_PKTCOMP	0x0040
234 #define	SIDBG_TIMEOUT	0x0080
235 #define	SIDBG_INFO	0x0100
236 #define	SIDBG_VERBOSE	0x0200
237 #define	SIDBG_INTR	0x0400
238 #define	SIDBG_ERRS	0x0800
239 #define	SIDBG_COOKIES	0x1000
240 #define	SIDBG_POWER	0x2000
241 
242 extern int si_debug_flag;
243 
244 #define	SIDBG0(flag, softp, format) \
245 	if (si_debug_flags & (flag)) { \
246 		si_log(softp, CE_WARN, format); \
247 	}
248 
249 #define	SIDBG1(flag, softp, format, arg1) \
250 	if (si_debug_flags & (flag)) { \
251 		si_log(softp, CE_WARN, format, arg1); \
252 	}
253 
254 #define	SIDBG2(flag, softp, format, arg1, arg2) \
255 	if (si_debug_flags & (flag)) { \
256 		si_log(softp, CE_WARN, format, arg1, arg2); \
257 	}
258 
259 #define	SIDBG3(flag, softp, format, arg1, arg2, arg3) \
260 	if (si_debug_flags & (flag)) { \
261 		si_log(softp, CE_WARN, format, arg1, arg2, arg3); \
262 	}
263 
264 #define	SIDBG4(flag, softp, format, arg1, arg2, arg3, arg4) \
265 	if (si_debug_flags & (flag)) { \
266 		si_log(softp, CE_WARN, format, arg1, arg2, arg3, arg4); \
267 	}
268 #else
269 
270 #define	SIDBG0(flag, dip, frmt)
271 #define	SIDBG1(flag, dip, frmt, arg1)
272 #define	SIDBG2(flag, dip, frmt, arg1, arg2)
273 #define	SIDBG3(flag, dip, frmt, arg1, arg2, arg3)
274 #define	SIDBG4(flag, dip, frmt, arg1, arg2, arg3, arg4)
275 
276 #endif /* DEBUG */
277 
278 /* Flags controlling the reset behavior */
279 #define	SI_PORT_RESET		0x1	/* Reset the port */
280 #define	SI_DEVICE_RESET		0x2	/* Reset the device, not the port */
281 #define	SI_RESET_NO_EVENTS_UP	0x4	/* Don't send reset events up */
282 
283 #ifdef	__cplusplus
284 }
285 #endif
286 
287 #endif /* _SI3124VAR_H */
288