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 (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 #ifndef _SI3124VAR_H
27 #define	_SI3124VAR_H
28 
29 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 #define	SI3124_MAX_PORTS		4
34 #define	SI3132_MAX_PORTS		2
35 #define	SI_MAX_PORTS			SI3124_MAX_PORTS
36 
37 #define	SI_SUCCESS			(0)	/* successful return */
38 #define	SI_TIMEOUT			(1)	/* timed out */
39 #define	SI_FAILURE			(-1)	/* unsuccessful return */
40 
41 #define	SI_MAX_SGT_TABLES_PER_PRB	21844
42 #define	SI_DEFAULT_SGT_TABLES_PER_PRB	85
43 #define	SI_MIN_SGT_TABLES_PER_PRB	1
44 /*
45  * While the si_sge_t and si_sgt_t correspond to the actual SGE and SGT
46  * definitions as per the datasheet, the si_sgblock_t (i.e scatter gather
47  * block) is a logical data structure which can hold dynamic SGEs and it
48  * is tunable through global variables /etc/system si3124:si_dma_sg_number.
49  * The idea is to use multiple tunable chained SGT tables per each PRB request.
50  */
51 
52 typedef struct si_sgblock {
53 	si_sgt_t sgb_sgt[1];
54 } si_sgblock_t;
55 
56 /*
57  * Each SGT (Scatter Gather Table) has 4 SGEs (Scatter Gather Entries).
58  * But each SGT effectively can host only 3 SGEs since the last SGE entry
59  * is used to hold a link to the next SGT in the chain. However the last
60  * SGT in the chain can host all the 4 entries since it does not need to
61  * link any more.
62  */
63 #define	SGE_LENGTH(x)	(3*(x)+1)
64 #define	SI_DEFAULT_SGL_LENGTH	SGE_LENGTH(SI_DEFAULT_SGT_TABLES_PER_PRB)
65 
66 /* Argument to be used for calls to timeout() */
67 typedef struct si_event_arg {
68 	void *siea_ctlp;
69 	void *siea_portp;
70 	int siea_port;
71 } si_event_arg_t;
72 
73 typedef struct si_portmult_state {
74 	int sipm_num_ports;
75 	uint8_t sipm_port_type[15];
76 	/* one of PORT_TYPE_[NODEV | MULTIPLIER | ATAPI | DISK | UNKNOWN] */
77 
78 	/*
79 	 * sipm_port_type[] is good enough to capture the state of ports
80 	 * behind the multiplier. Since any of the port behind a multiplier
81 	 * is accessed through the same main controller port, we don't need
82 	 * additional si_port_state_t here.
83 	 */
84 
85 } si_portmult_state_t;
86 
87 
88 /* The following are for port types */
89 #define	PORT_TYPE_NODEV		0x0
90 #define	PORT_TYPE_MULTIPLIER	0x1
91 #define	PORT_TYPE_ATAPI		0x2
92 #define	PORT_TYPE_DISK		0x3
93 #define	PORT_TYPE_UNKNOWN	0x4
94 
95 /* The following are for active state */
96 #define	PORT_INACTIVE		0x0
97 #define	PORT_ACTIVE		0x1
98 
99 typedef struct si_port_state {
100 	uint8_t siport_port_type;
101 	/* one of PORT_TYPE_[NODEV | MULTIPLIER | ATAPI | DISK | UNKNOWN] */
102 
103 	uint8_t siport_active;		/* one of ACTIVE or INACTIVE */
104 
105 	si_portmult_state_t siport_portmult_state;
106 
107 	si_prb_t *siport_prbpool; 	/* These are 31 incore PRBs */
108 	uint64_t siport_prbpool_physaddr;
109 	ddi_dma_handle_t siport_prbpool_dma_handle;
110 	ddi_acc_handle_t siport_prbpool_acc_handle;
111 
112 
113 	si_sgblock_t *siport_sgbpool; 	/* These are 31 incore sg blocks */
114 	uint64_t siport_sgbpool_physaddr;
115 	ddi_dma_handle_t siport_sgbpool_dma_handle;
116 	ddi_acc_handle_t siport_sgbpool_acc_handle;
117 
118 	kmutex_t siport_mutex; 		/* main per port mutex */
119 	uint32_t siport_pending_tags;	/* remembers the pending tags */
120 	sata_pkt_t *siport_slot_pkts[SI_NUM_SLOTS];
121 
122 	/*
123 	 * While the reset is in progress, we don't accept any more commands
124 	 * until we receive the command with SATA_CLEAR_DEV_RESET_STATE flag.
125 	 * However any commands with SATA_IGNORE_DEV_RESET_STATE are allowed in
126 	 * during such blockage.
127 	 */
128 	int siport_reset_in_progress;
129 
130 	/* Argument to be used for calls to timeout() */
131 	si_event_arg_t *siport_event_args;
132 
133 	/*
134 	 * We mop the commands for either abort, reset, timeout or
135 	 * error handling cases. This counts how many mops are in progress.
136 	 * It is also used to return BUSY in tran_start if a mop is going on.
137 	 */
138 	int mopping_in_progress;
139 
140 	/* error recovery related info */
141 	uint32_t siport_err_tags_SDBERROR;
142 	uint32_t siport_err_tags_nonSDBERROR;
143 	int siport_pending_ncq_count;
144 
145 } si_port_state_t;
146 
147 /* Warlock annotation */
148 _NOTE(MUTEX_PROTECTS_DATA(si_port_state_t::siport_mutex, si_port_state_t))
149 _NOTE(READ_ONLY_DATA(si_port_state_t::siport_prbpool_dma_handle))
150 _NOTE(READ_ONLY_DATA(si_port_state_t::siport_sgbpool_dma_handle))
151 
152 
153 typedef struct si_ctl_state {
154 
155 	dev_info_t *sictl_devinfop;
156 
157 	int sictl_num_ports;	/* number of controller ports */
158 	si_port_state_t *sictl_ports[SI_MAX_PORTS];
159 
160 	int sictl_devid; /* whether it is 3124 or 3132 */
161 	int sictl_flags; /* some important state of controller */
162 	int sictl_power_level;
163 
164 	/* pci config space handle */
165 	ddi_acc_handle_t sictl_pci_conf_handle;
166 
167 	/* mapping into bar 0 */
168 	ddi_acc_handle_t sictl_global_acc_handle;
169 	uintptr_t sictl_global_addr;
170 
171 	/* mapping into bar 1 */
172 	ddi_acc_handle_t sictl_port_acc_handle;
173 	uintptr_t sictl_port_addr;
174 
175 	struct sata_hba_tran *sictl_sata_hba_tran;
176 	timeout_id_t sictl_timeout_id;
177 
178 	kmutex_t sictl_mutex; 			/* per controller mutex */
179 
180 	ddi_intr_handle_t *sictl_htable;	/* For array of interrupts */
181 	int sictl_intr_type;			/* What type of interrupt */
182 	int sictl_intr_cnt;			/* # of intrs count returned */
183 	size_t sictl_intr_size;			/* Size of intr array */
184 	uint_t sictl_intr_pri;			/* Interrupt priority */
185 	int sictl_intr_cap;			/* Interrupt capabilities */
186 	int fm_capabilities;			/* FMA capabilities */
187 
188 } si_ctl_state_t;
189 
190 /* Warlock annotation */
191 _NOTE(MUTEX_PROTECTS_DATA(si_ctl_state_t::sictl_mutex,
192 					si_ctl_state_t::sictl_ports))
193 _NOTE(MUTEX_PROTECTS_DATA(si_ctl_state_t::sictl_mutex,
194 					si_ctl_state_t::sictl_power_level))
195 _NOTE(MUTEX_PROTECTS_DATA(si_ctl_state_t::sictl_mutex,
196 					si_ctl_state_t::sictl_flags))
197 _NOTE(MUTEX_PROTECTS_DATA(si_ctl_state_t::sictl_mutex,
198 					si_ctl_state_t::sictl_timeout_id))
199 /*
200  * flags for si_flags
201  */
202 #define	SI_PM			0x01
203 #define	SI_ATTACH		0x02
204 #define	SI_DETACH		0x04
205 #define	SI_NO_TIMEOUTS		0x08
206 #define	SI_FRAMEWORK_ATTACHED	0x10	/* are we attached to framework ? */
207 
208 /* progress values for si_attach */
209 #define	ATTACH_PROGRESS_NONE			(1<<0)
210 #define	ATTACH_PROGRESS_STATEP_ALLOC		(1<<1)
211 #define	ATTACH_PROGRESS_INIT_FMA		(1<<2)
212 #define	ATTACH_PROGRESS_CONF_HANDLE		(1<<3)
213 #define	ATTACH_PROGRESS_BAR0_MAP		(1<<4)
214 #define	ATTACH_PROGRESS_BAR1_MAP		(1<<5)
215 #define	ATTACH_PROGRESS_INTR_ADDED		(1<<6)
216 #define	ATTACH_PROGRESS_MUTEX_INIT		(1<<7)
217 #define	ATTACH_PROGRESS_HW_INIT			(1<<8)
218 
219 #define	SI_10MS_TICKS	(drv_usectohz(10000))	/* ticks in 10 millisec */
220 #define	SI_1MS_TICKS	(drv_usectohz(1000))	/* ticks in 1 millisec */
221 #define	SI_1MS_USECS	(1000)			/* usecs in 1 millisec */
222 #define	SI_POLLRATE_SOFT_RESET		1000
223 #define	SI_POLLRATE_SSTATUS		10
224 #define	SI_POLLRATE_PORTREADY		50
225 #define	SI_POLLRATE_SLOTSTATUS		50
226 #define	SI_POLLRATE_RECOVERPORTMULT	1000
227 
228 #define	PORTMULT_CONTROL_PORT		0xf
229 
230 /* clearing & setting the n'th bit in a given tag */
231 #define	CLEAR_BIT(tag, bit)	(tag &= ~(0x1<<bit))
232 #define	SET_BIT(tag, bit)	(tag |= (0x1<<bit))
233 
234 #if DEBUG
235 
236 #define	SI_DEBUG	1
237 
238 #define	SIDBG_TEST	0x0001
239 #define	SIDBG_INIT	0x0002
240 #define	SIDBG_ENTRY	0x0004
241 #define	SIDBG_DUMP_PRB	0x0008
242 #define	SIDBG_EVENT	0x0010
243 #define	SIDBG_POLL_LOOP	0x0020
244 #define	SIDBG_PKTCOMP	0x0040
245 #define	SIDBG_TIMEOUT	0x0080
246 #define	SIDBG_INFO	0x0100
247 #define	SIDBG_VERBOSE	0x0200
248 #define	SIDBG_INTR	0x0400
249 #define	SIDBG_ERRS	0x0800
250 #define	SIDBG_COOKIES	0x1000
251 #define	SIDBG_POWER	0x2000
252 
253 extern uint32_t si_debug_flags;
254 
255 #define	SIDBG0(flag, softp, format) \
256 	if (si_debug_flags & (flag)) { \
257 		si_log(softp, CE_WARN, format); \
258 	}
259 
260 #define	SIDBG1(flag, softp, format, arg1) \
261 	if (si_debug_flags & (flag)) { \
262 		si_log(softp, CE_WARN, format, arg1); \
263 	}
264 
265 #define	SIDBG2(flag, softp, format, arg1, arg2) \
266 	if (si_debug_flags & (flag)) { \
267 		si_log(softp, CE_WARN, format, arg1, arg2); \
268 	}
269 
270 #define	SIDBG3(flag, softp, format, arg1, arg2, arg3) \
271 	if (si_debug_flags & (flag)) { \
272 		si_log(softp, CE_WARN, format, arg1, arg2, arg3); \
273 	}
274 
275 #define	SIDBG4(flag, softp, format, arg1, arg2, arg3, arg4) \
276 	if (si_debug_flags & (flag)) { \
277 		si_log(softp, CE_WARN, format, arg1, arg2, arg3, arg4); \
278 	}
279 #else
280 
281 #define	SIDBG0(flag, dip, frmt)
282 #define	SIDBG1(flag, dip, frmt, arg1)
283 #define	SIDBG2(flag, dip, frmt, arg1, arg2)
284 #define	SIDBG3(flag, dip, frmt, arg1, arg2, arg3)
285 #define	SIDBG4(flag, dip, frmt, arg1, arg2, arg3, arg4)
286 
287 #endif /* DEBUG */
288 
289 /* Flags controlling the reset behavior */
290 #define	SI_PORT_RESET		0x1	/* Reset the port */
291 #define	SI_DEVICE_RESET		0x2	/* Reset the device, not the port */
292 #define	SI_RESET_NO_EVENTS_UP	0x4	/* Don't send reset events up */
293 
294 #ifdef	__cplusplus
295 }
296 #endif
297 
298 #endif /* _SI3124VAR_H */
299