1/*-
2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2001 Scott Long
4 * Copyright (c) 2000 BSDi
5 * Copyright (c) 2001 Adaptec, Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
| 1/*-
2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2001 Scott Long
4 * Copyright (c) 2000 BSDi
5 * Copyright (c) 2001 Adaptec, Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
|
29 * $FreeBSD: head/sys/dev/aac/aacvar.h 166901 2007-02-23 12:19:07Z piso $
| 29 * $FreeBSD: head/sys/dev/aac/aacvar.h 174385 2007-12-07 00:22:23Z emaste $
|
30 */
31
32#include <sys/bio.h>
33#include <sys/lock.h>
34#include <sys/mutex.h>
35#include <sys/taskqueue.h>
36#include <sys/selinfo.h>
37#include <geom/geom_disk.h>
38
39#ifndef AAC_DRIVER_BUILD
40# define AAC_DRIVER_BUILD 1
41#endif
42
43/*
44 * Driver Parameter Definitions
45 */
46
47/*
48 * The firmware interface allows for a 16-bit s/g list length. We limit
49 * ourselves to a reasonable maximum and ensure alignment.
50 */
51#define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */
52
53/*
54 * We allocate a small set of FIBs for the adapter to use to send us messages.
55 */
56#define AAC_ADAPTER_FIBS 8
57
58/*
59 * FIBs are allocated in page-size chunks and can grow up to the 512
60 * limit imposed by the hardware.
61 */
62#define AAC_PREALLOCATE_FIBS 128
63#define AAC_NUM_MGT_FIB 8
64
65/*
66 * The controller reports status events in AIFs. We hang on to a number of
67 * these in order to pass them out to user-space management tools.
68 */
69#define AAC_AIFQ_LENGTH 64
70
71/*
72 * Firmware messages are passed in the printf buffer.
73 */
74#define AAC_PRINTF_BUFSIZE 256
75
76/*
77 * We wait this many seconds for the adapter to come ready if it is still
78 * booting
79 */
80#define AAC_BOOT_TIMEOUT (3 * 60)
81
82/*
83 * Timeout for immediate commands.
84 */
85#define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */
86
87/*
88 * Timeout for normal commands
89 */
90#define AAC_CMD_TIMEOUT 30 /* seconds */
91
92/*
93 * Rate at which we periodically check for timed out commands and kick the
94 * controller.
95 */
96#define AAC_PERIODIC_INTERVAL 20 /* seconds */
97
98/*
99 * Per-container data structure
100 */
101struct aac_container
102{
103 struct aac_mntobj co_mntobj;
104 device_t co_disk;
105 int co_found;
106 TAILQ_ENTRY(aac_container) co_link;
107};
108
109/*
110 * Per-SIM data structure
111 */
112struct aac_sim
113{
114 device_t sim_dev;
115 int TargetsPerBus;
116 int BusNumber;
117 int InitiatorBusId;
118 struct aac_softc *aac_sc;
119 TAILQ_ENTRY(aac_sim) sim_link;
120};
121
122/*
123 * Per-disk structure
124 */
125struct aac_disk
126{
127 device_t ad_dev;
128 struct aac_softc *ad_controller;
129 struct aac_container *ad_container;
130 struct disk *ad_disk;
131 int ad_flags;
132#define AAC_DISK_OPEN (1<<0)
133 int ad_cylinders;
134 int ad_heads;
135 int ad_sectors;
136 u_int32_t ad_size;
137 int unit;
138};
139
140/*
141 * Per-command control structure.
142 */
143struct aac_command
144{
145 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */
146
147 struct aac_softc *cm_sc; /* controller that owns us */
148
149 struct aac_fib *cm_fib; /* FIB associated with this
150 * command */
151 u_int64_t cm_fibphys; /* bus address of the FIB */
152 struct bio *cm_data; /* pointer to data in kernel
153 * space */
154 u_int32_t cm_datalen; /* data length */
155 bus_dmamap_t cm_datamap; /* DMA map for bio data */
156 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in
157 * command */
158 int cm_flags;
159#define AAC_CMD_MAPPED (1<<0) /* command has had its data
160 * mapped */
161#define AAC_CMD_DATAIN (1<<1) /* command involves data moving
162 * from controller to host */
163#define AAC_CMD_DATAOUT (1<<2) /* command involves data moving
164 * from host to controller */
165#define AAC_CMD_COMPLETED (1<<3) /* command has been completed */
166#define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */
167#define AAC_ON_AACQ_FREE (1<<5)
168#define AAC_ON_AACQ_READY (1<<6)
169#define AAC_ON_AACQ_BUSY (1<<7)
170#define AAC_ON_AACQ_AIF (1<<8)
171#define AAC_ON_AACQ_NORM (1<<10)
172#define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
173#define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of
174 * commands on the queue. */
175
176 void (* cm_complete)(struct aac_command *cm);
177 void *cm_private;
178 time_t cm_timestamp; /* command creation time */
179 int cm_queue;
180 int cm_index;
181};
182
183struct aac_fibmap {
184 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */
185 struct aac_fib *aac_fibs;
186 bus_dmamap_t aac_fibmap;
187 struct aac_command *aac_commands;
188};
189
190/*
191 * We gather a number of adapter-visible items into a single structure.
192 *
193 * The ordering of this strucure may be important; we copy the Linux driver:
194 *
195 * Adapter FIBs
196 * Init struct
197 * Queue headers (Comm Area)
198 * Printf buffer
199 *
200 * In addition, we add:
201 * Sync Fib
202 */
203struct aac_common {
204 /* fibs for the controller to send us messages */
205 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS];
206
207 /* the init structure */
208 struct aac_adapter_init ac_init;
209
210 /* arena within which the queue structures are kept */
211 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) +
212 AAC_QUEUE_ALIGN];
213
214 /* buffer for text messages from the controller */
215 char ac_printf[AAC_PRINTF_BUFSIZE];
216
217 /* fib for synchronous commands */
218 struct aac_fib ac_sync_fib;
219};
220
221/*
222 * Interface operations
223 */
224struct aac_interface
225{
226 int (*aif_get_fwstatus)(struct aac_softc *sc);
227 void (*aif_qnotify)(struct aac_softc *sc, int qbit);
228 int (*aif_get_istatus)(struct aac_softc *sc);
229 void (*aif_clr_istatus)(struct aac_softc *sc, int mask);
230 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
231 u_int32_t arg0, u_int32_t arg1,
232 u_int32_t arg2, u_int32_t arg3);
233 int (*aif_get_mailbox)(struct aac_softc *sc, int mb);
234 void (*aif_set_interrupts)(struct aac_softc *sc, int enable);
235 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
236 int (*aif_get_outb_queue)(struct aac_softc *sc);
237 void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
238};
239extern struct aac_interface aac_rx_interface;
240extern struct aac_interface aac_sa_interface;
241extern struct aac_interface aac_fa_interface;
242extern struct aac_interface aac_rkt_interface;
243
244#define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc)))
245#define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit)))
246#define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc)))
247#define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \
248 (mask)))
249#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
250 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
251 (arg3)))
252#define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \
253 (mb)))
254#define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \
255 0))
256#define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \
257 1))
258#define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm)))
259#define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc)))
260#define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
261
262#define AAC_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag, \
263 sc->aac_bhandle, reg, val)
264#define AAC_GETREG4(sc, reg) bus_space_read_4 (sc->aac_btag, \
265 sc->aac_bhandle, reg)
266#define AAC_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag, \
267 sc->aac_bhandle, reg, val)
268#define AAC_GETREG2(sc, reg) bus_space_read_2 (sc->aac_btag, \
269 sc->aac_bhandle, reg)
270#define AAC_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag, \
271 sc->aac_bhandle, reg, val)
272#define AAC_GETREG1(sc, reg) bus_space_read_1 (sc->aac_btag, \
273 sc->aac_bhandle, reg)
274
| 30 */
31
32#include <sys/bio.h>
33#include <sys/lock.h>
34#include <sys/mutex.h>
35#include <sys/taskqueue.h>
36#include <sys/selinfo.h>
37#include <geom/geom_disk.h>
38
39#ifndef AAC_DRIVER_BUILD
40# define AAC_DRIVER_BUILD 1
41#endif
42
43/*
44 * Driver Parameter Definitions
45 */
46
47/*
48 * The firmware interface allows for a 16-bit s/g list length. We limit
49 * ourselves to a reasonable maximum and ensure alignment.
50 */
51#define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */
52
53/*
54 * We allocate a small set of FIBs for the adapter to use to send us messages.
55 */
56#define AAC_ADAPTER_FIBS 8
57
58/*
59 * FIBs are allocated in page-size chunks and can grow up to the 512
60 * limit imposed by the hardware.
61 */
62#define AAC_PREALLOCATE_FIBS 128
63#define AAC_NUM_MGT_FIB 8
64
65/*
66 * The controller reports status events in AIFs. We hang on to a number of
67 * these in order to pass them out to user-space management tools.
68 */
69#define AAC_AIFQ_LENGTH 64
70
71/*
72 * Firmware messages are passed in the printf buffer.
73 */
74#define AAC_PRINTF_BUFSIZE 256
75
76/*
77 * We wait this many seconds for the adapter to come ready if it is still
78 * booting
79 */
80#define AAC_BOOT_TIMEOUT (3 * 60)
81
82/*
83 * Timeout for immediate commands.
84 */
85#define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */
86
87/*
88 * Timeout for normal commands
89 */
90#define AAC_CMD_TIMEOUT 30 /* seconds */
91
92/*
93 * Rate at which we periodically check for timed out commands and kick the
94 * controller.
95 */
96#define AAC_PERIODIC_INTERVAL 20 /* seconds */
97
98/*
99 * Per-container data structure
100 */
101struct aac_container
102{
103 struct aac_mntobj co_mntobj;
104 device_t co_disk;
105 int co_found;
106 TAILQ_ENTRY(aac_container) co_link;
107};
108
109/*
110 * Per-SIM data structure
111 */
112struct aac_sim
113{
114 device_t sim_dev;
115 int TargetsPerBus;
116 int BusNumber;
117 int InitiatorBusId;
118 struct aac_softc *aac_sc;
119 TAILQ_ENTRY(aac_sim) sim_link;
120};
121
122/*
123 * Per-disk structure
124 */
125struct aac_disk
126{
127 device_t ad_dev;
128 struct aac_softc *ad_controller;
129 struct aac_container *ad_container;
130 struct disk *ad_disk;
131 int ad_flags;
132#define AAC_DISK_OPEN (1<<0)
133 int ad_cylinders;
134 int ad_heads;
135 int ad_sectors;
136 u_int32_t ad_size;
137 int unit;
138};
139
140/*
141 * Per-command control structure.
142 */
143struct aac_command
144{
145 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */
146
147 struct aac_softc *cm_sc; /* controller that owns us */
148
149 struct aac_fib *cm_fib; /* FIB associated with this
150 * command */
151 u_int64_t cm_fibphys; /* bus address of the FIB */
152 struct bio *cm_data; /* pointer to data in kernel
153 * space */
154 u_int32_t cm_datalen; /* data length */
155 bus_dmamap_t cm_datamap; /* DMA map for bio data */
156 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in
157 * command */
158 int cm_flags;
159#define AAC_CMD_MAPPED (1<<0) /* command has had its data
160 * mapped */
161#define AAC_CMD_DATAIN (1<<1) /* command involves data moving
162 * from controller to host */
163#define AAC_CMD_DATAOUT (1<<2) /* command involves data moving
164 * from host to controller */
165#define AAC_CMD_COMPLETED (1<<3) /* command has been completed */
166#define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */
167#define AAC_ON_AACQ_FREE (1<<5)
168#define AAC_ON_AACQ_READY (1<<6)
169#define AAC_ON_AACQ_BUSY (1<<7)
170#define AAC_ON_AACQ_AIF (1<<8)
171#define AAC_ON_AACQ_NORM (1<<10)
172#define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
173#define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of
174 * commands on the queue. */
175
176 void (* cm_complete)(struct aac_command *cm);
177 void *cm_private;
178 time_t cm_timestamp; /* command creation time */
179 int cm_queue;
180 int cm_index;
181};
182
183struct aac_fibmap {
184 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */
185 struct aac_fib *aac_fibs;
186 bus_dmamap_t aac_fibmap;
187 struct aac_command *aac_commands;
188};
189
190/*
191 * We gather a number of adapter-visible items into a single structure.
192 *
193 * The ordering of this strucure may be important; we copy the Linux driver:
194 *
195 * Adapter FIBs
196 * Init struct
197 * Queue headers (Comm Area)
198 * Printf buffer
199 *
200 * In addition, we add:
201 * Sync Fib
202 */
203struct aac_common {
204 /* fibs for the controller to send us messages */
205 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS];
206
207 /* the init structure */
208 struct aac_adapter_init ac_init;
209
210 /* arena within which the queue structures are kept */
211 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) +
212 AAC_QUEUE_ALIGN];
213
214 /* buffer for text messages from the controller */
215 char ac_printf[AAC_PRINTF_BUFSIZE];
216
217 /* fib for synchronous commands */
218 struct aac_fib ac_sync_fib;
219};
220
221/*
222 * Interface operations
223 */
224struct aac_interface
225{
226 int (*aif_get_fwstatus)(struct aac_softc *sc);
227 void (*aif_qnotify)(struct aac_softc *sc, int qbit);
228 int (*aif_get_istatus)(struct aac_softc *sc);
229 void (*aif_clr_istatus)(struct aac_softc *sc, int mask);
230 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
231 u_int32_t arg0, u_int32_t arg1,
232 u_int32_t arg2, u_int32_t arg3);
233 int (*aif_get_mailbox)(struct aac_softc *sc, int mb);
234 void (*aif_set_interrupts)(struct aac_softc *sc, int enable);
235 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
236 int (*aif_get_outb_queue)(struct aac_softc *sc);
237 void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
238};
239extern struct aac_interface aac_rx_interface;
240extern struct aac_interface aac_sa_interface;
241extern struct aac_interface aac_fa_interface;
242extern struct aac_interface aac_rkt_interface;
243
244#define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc)))
245#define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit)))
246#define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc)))
247#define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \
248 (mask)))
249#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
250 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
251 (arg3)))
252#define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \
253 (mb)))
254#define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \
255 0))
256#define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \
257 1))
258#define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm)))
259#define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc)))
260#define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
261
262#define AAC_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag, \
263 sc->aac_bhandle, reg, val)
264#define AAC_GETREG4(sc, reg) bus_space_read_4 (sc->aac_btag, \
265 sc->aac_bhandle, reg)
266#define AAC_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag, \
267 sc->aac_bhandle, reg, val)
268#define AAC_GETREG2(sc, reg) bus_space_read_2 (sc->aac_btag, \
269 sc->aac_bhandle, reg)
270#define AAC_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag, \
271 sc->aac_bhandle, reg, val)
272#define AAC_GETREG1(sc, reg) bus_space_read_1 (sc->aac_btag, \
273 sc->aac_bhandle, reg)
274
|
| 275/* fib context (IOCTL) */
276struct aac_fib_context {
277 u_int32_t unique;
278 int ctx_idx;
279 int ctx_wrap;
280 struct aac_fib_context *next, *prev;
281};
282
|
275/*
276 * Per-controller structure.
277 */
278struct aac_softc
279{
280 /* bus connections */
281 device_t aac_dev;
282 struct resource *aac_regs_resource; /* register interface
283 * window */
284 int aac_regs_rid; /* resource ID */
285 bus_space_handle_t aac_bhandle; /* bus space handle */
286 bus_space_tag_t aac_btag; /* bus space tag */
287 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */
288 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command
289 * DMA tag */
290 struct resource *aac_irq; /* interrupt */
291 int aac_irq_rid;
292 void *aac_intr; /* interrupt handle */
293 eventhandler_tag eh;
294
295 /* controller features, limits and status */
296 int aac_state;
297#define AAC_STATE_SUSPEND (1<<0)
298#define AAC_STATE_OPEN (1<<1)
299#define AAC_STATE_INTERRUPTS_ON (1<<2)
300#define AAC_STATE_AIF_SLEEPER (1<<3)
| 283/*
284 * Per-controller structure.
285 */
286struct aac_softc
287{
288 /* bus connections */
289 device_t aac_dev;
290 struct resource *aac_regs_resource; /* register interface
291 * window */
292 int aac_regs_rid; /* resource ID */
293 bus_space_handle_t aac_bhandle; /* bus space handle */
294 bus_space_tag_t aac_btag; /* bus space tag */
295 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */
296 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command
297 * DMA tag */
298 struct resource *aac_irq; /* interrupt */
299 int aac_irq_rid;
300 void *aac_intr; /* interrupt handle */
301 eventhandler_tag eh;
302
303 /* controller features, limits and status */
304 int aac_state;
305#define AAC_STATE_SUSPEND (1<<0)
306#define AAC_STATE_OPEN (1<<1)
307#define AAC_STATE_INTERRUPTS_ON (1<<2)
308#define AAC_STATE_AIF_SLEEPER (1<<3)
|
| 309 int aac_open_cnt;
|
301 struct FsaRevision aac_revision;
302
303 /* controller hardware interface */
304 int aac_hwif;
305#define AAC_HWIF_I960RX 0
306#define AAC_HWIF_STRONGARM 1
307#define AAC_HWIF_FALCON 2
308#define AAC_HWIF_RKT 3
309#define AAC_HWIF_UNKNOWN -1
310 bus_dma_tag_t aac_common_dmat; /* common structure
311 * DMA tag */
312 bus_dmamap_t aac_common_dmamap; /* common structure
313 * DMA map */
314 struct aac_common *aac_common;
315 u_int32_t aac_common_busaddr;
316 struct aac_interface aac_if;
317
318 /* command/fib resources */
319 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */
320 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
321 u_int total_fibs;
322 struct aac_command *aac_commands;
323
324 /* command management */
325 TAILQ_HEAD(,aac_command) aac_free; /* command structures
326 * available for reuse */
327 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for
328 * controller resources */
329 TAILQ_HEAD(,aac_command) aac_busy;
| 310 struct FsaRevision aac_revision;
311
312 /* controller hardware interface */
313 int aac_hwif;
314#define AAC_HWIF_I960RX 0
315#define AAC_HWIF_STRONGARM 1
316#define AAC_HWIF_FALCON 2
317#define AAC_HWIF_RKT 3
318#define AAC_HWIF_UNKNOWN -1
319 bus_dma_tag_t aac_common_dmat; /* common structure
320 * DMA tag */
321 bus_dmamap_t aac_common_dmamap; /* common structure
322 * DMA map */
323 struct aac_common *aac_common;
324 u_int32_t aac_common_busaddr;
325 struct aac_interface aac_if;
326
327 /* command/fib resources */
328 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */
329 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
330 u_int total_fibs;
331 struct aac_command *aac_commands;
332
333 /* command management */
334 TAILQ_HEAD(,aac_command) aac_free; /* command structures
335 * available for reuse */
336 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for
337 * controller resources */
338 TAILQ_HEAD(,aac_command) aac_busy;
|
330 TAILQ_HEAD(,aac_command) aac_aif;
331#if 0
332 TAILQ_HEAD(,aac_command) aac_norm;
333#endif
| |
334 TAILQ_HEAD(,aac_event) aac_ev_cmfree;
335 struct bio_queue_head aac_bioq;
336 struct aac_queue_table *aac_queues;
337 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT];
338
339 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */
340
341 /* connected containters */
342 TAILQ_HEAD(,aac_container) aac_container_tqh;
343 struct mtx aac_container_lock;
344
345 /*
346 * The general I/O lock. This protects the sync fib, the lists, the
347 * queues, and the registers.
348 */
349 struct mtx aac_io_lock;
350
351 /* delayed activity infrastructure */
352 struct task aac_task_complete; /* deferred-completion
353 * task */
354 struct intr_config_hook aac_ich;
355
356 /* management interface */
357 struct cdev *aac_dev_t;
358 struct mtx aac_aifq_lock;
| 339 TAILQ_HEAD(,aac_event) aac_ev_cmfree;
340 struct bio_queue_head aac_bioq;
341 struct aac_queue_table *aac_queues;
342 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT];
343
344 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */
345
346 /* connected containters */
347 TAILQ_HEAD(,aac_container) aac_container_tqh;
348 struct mtx aac_container_lock;
349
350 /*
351 * The general I/O lock. This protects the sync fib, the lists, the
352 * queues, and the registers.
353 */
354 struct mtx aac_io_lock;
355
356 /* delayed activity infrastructure */
357 struct task aac_task_complete; /* deferred-completion
358 * task */
359 struct intr_config_hook aac_ich;
360
361 /* management interface */
362 struct cdev *aac_dev_t;
363 struct mtx aac_aifq_lock;
|
359 struct aac_aif_command aac_aifq[AAC_AIFQ_LENGTH];
360 int aac_aifq_head;
361 int aac_aifq_tail;
| 364 struct aac_fib aac_aifq[AAC_AIFQ_LENGTH];
365 int aifq_idx;
366 int aifq_filled;
367 struct aac_fib_context *fibctx;
|
362 struct selinfo rcv_select;
363 struct proc *aifthread;
364 int aifflags;
365#define AAC_AIFFLAGS_RUNNING (1 << 0)
366#define AAC_AIFFLAGS_AIF (1 << 1)
367#define AAC_AIFFLAGS_EXIT (1 << 2)
368#define AAC_AIFFLAGS_EXITED (1 << 3)
369#define AAC_AIFFLAGS_PRINTF (1 << 4)
370#define AAC_AIFFLAGS_ALLOCFIBS (1 << 5)
371#define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
372 AAC_AIFFLAGS_ALLOCFIBS)
373 u_int32_t flags;
374#define AAC_FLAGS_PERC2QC (1 << 0)
375#define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */
376#define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */
377#define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */
378#define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */
379#define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem
380 * 2GB-4GB range */
381#define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */
382#define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */
383#define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */
384#define AAC_FLAGS_SLAVE (1 << 9)
385#define AAC_FLAGS_MASTER (1 << 10)
386#define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */
387#define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */
388#define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */
389
390 u_int32_t supported_options;
391 u_int32_t scsi_method_id;
392 TAILQ_HEAD(,aac_sim) aac_sim_tqh;
393
394 u_int32_t aac_max_fibs; /* max. FIB count */
395 u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */
396 u_int32_t aac_max_fib_size; /* max. FIB size */
397 u_int32_t aac_sg_tablesize; /* max. sg count from host */
398 u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */
399};
400
401/*
402 * Event callback mechanism for the driver
403 */
404#define AAC_EVENT_NONE 0x00
405#define AAC_EVENT_CMFREE 0x01
406#define AAC_EVENT_MASK 0xff
407#define AAC_EVENT_REPEAT 0x100
408
409typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
410 void *arg);
411struct aac_event {
412 TAILQ_ENTRY(aac_event) ev_links;
413 int ev_type;
414 aac_event_cb_t *ev_callback;
415 void *ev_arg;
416};
417
418/*
419 * Public functions
420 */
421extern void aac_free(struct aac_softc *sc);
422extern int aac_attach(struct aac_softc *sc);
423extern int aac_detach(device_t dev);
424extern int aac_shutdown(device_t dev);
425extern int aac_suspend(device_t dev);
426extern int aac_resume(device_t dev);
427extern void aac_new_intr(void *arg);
428extern int aac_fast_intr(void *arg);
429extern void aac_submit_bio(struct bio *bp);
430extern void aac_biodone(struct bio *bp);
431extern void aac_startio(struct aac_softc *sc);
432extern int aac_alloc_command(struct aac_softc *sc,
433 struct aac_command **cmp);
434extern void aac_release_command(struct aac_command *cm);
435extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command,
436 u_int32_t xferstate, struct aac_fib *fib,
437 u_int16_t datasize);
438extern void aac_add_event(struct aac_softc *sc, struct aac_event
439 *event);
440
441/*
442 * Debugging levels:
443 * 0 - quiet, only emit warnings
444 * 1 - noisy, emit major function points and things done
445 * 2 - extremely noisy, emit trace items in loops, etc.
446 */
447#ifdef AAC_DEBUG
448# define debug(level, fmt, args...) \
449 do { \
450 if (level <=AAC_DEBUG) printf("%s: " fmt "\n", __func__ , ##args); \
451 } while (0)
452# define debug_called(level) \
453 do { \
454 if (level <= AAC_DEBUG) printf("%s: called\n", __func__); \
455 } while (0)
456
457extern void aac_print_queues(struct aac_softc *sc);
458extern void aac_panic(struct aac_softc *sc, char *reason);
459extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
460 const char *caller);
461extern void aac_print_aif(struct aac_softc *sc,
462 struct aac_aif_command *aif);
463
464#define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__)
465
466#else
467# define debug(level, fmt, args...)
468# define debug_called(level)
469
470# define aac_print_queues(sc)
471# define aac_panic(sc, reason)
472
473# define AAC_PRINT_FIB(sc, fib)
474# define aac_print_aif(sc, aac_aif_command)
475#endif
476
477struct aac_code_lookup {
478 char *string;
479 u_int32_t code;
480};
481
482/*
483 * Queue primitives for driver queues.
484 */
485#define AACQ_ADD(sc, qname) \
486 do { \
487 struct aac_qstat *qs; \
488 \
489 qs = &(sc)->aac_qstat[qname]; \
490 \
491 qs->q_length++; \
492 if (qs->q_length > qs->q_max) \
493 qs->q_max = qs->q_length; \
494 } while (0)
495
496#define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length--
497#define AACQ_INIT(sc, qname) \
498 do { \
499 sc->aac_qstat[qname].q_length = 0; \
500 sc->aac_qstat[qname].q_max = 0; \
501 } while (0)
502
503
504#define AACQ_COMMAND_QUEUE(name, index) \
505static __inline void \
506aac_initq_ ## name (struct aac_softc *sc) \
507{ \
508 TAILQ_INIT(&sc->aac_ ## name); \
509 AACQ_INIT(sc, index); \
510} \
511static __inline void \
512aac_enqueue_ ## name (struct aac_command *cm) \
513{ \
514 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
515 printf("command %p is on another queue, flags = %#x\n", \
516 cm, cm->cm_flags); \
517 panic("command is on another queue"); \
518 } \
519 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \
520 cm->cm_flags |= AAC_ON_ ## index; \
521 AACQ_ADD(cm->cm_sc, index); \
522} \
523static __inline void \
524aac_requeue_ ## name (struct aac_command *cm) \
525{ \
526 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
527 printf("command %p is on another queue, flags = %#x\n", \
528 cm, cm->cm_flags); \
529 panic("command is on another queue"); \
530 } \
531 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \
532 cm->cm_flags |= AAC_ON_ ## index; \
533 AACQ_ADD(cm->cm_sc, index); \
534} \
535static __inline struct aac_command * \
536aac_dequeue_ ## name (struct aac_softc *sc) \
537{ \
538 struct aac_command *cm; \
539 \
540 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \
541 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \
542 printf("command %p not in queue, flags = %#x, " \
543 "bit = %#x\n", cm, cm->cm_flags, \
544 AAC_ON_ ## index); \
545 panic("command not in queue"); \
546 } \
547 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \
548 cm->cm_flags &= ~AAC_ON_ ## index; \
549 AACQ_REMOVE(sc, index); \
550 } \
551 return(cm); \
552} \
553static __inline void \
554aac_remove_ ## name (struct aac_command *cm) \
555{ \
556 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \
557 printf("command %p not in queue, flags = %#x, " \
558 "bit = %#x\n", cm, cm->cm_flags, \
559 AAC_ON_ ## index); \
560 panic("command not in queue"); \
561 } \
562 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \
563 cm->cm_flags &= ~AAC_ON_ ## index; \
564 AACQ_REMOVE(cm->cm_sc, index); \
565} \
566struct hack
567
568AACQ_COMMAND_QUEUE(free, AACQ_FREE);
569AACQ_COMMAND_QUEUE(ready, AACQ_READY);
570AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
571
572/*
573 * outstanding bio queue
574 */
575static __inline void
576aac_initq_bio(struct aac_softc *sc)
577{
578 bioq_init(&sc->aac_bioq);
579 AACQ_INIT(sc, AACQ_BIO);
580}
581
582static __inline void
583aac_enqueue_bio(struct aac_softc *sc, struct bio *bp)
584{
585 bioq_insert_tail(&sc->aac_bioq, bp);
586 AACQ_ADD(sc, AACQ_BIO);
587}
588
589static __inline struct bio *
590aac_dequeue_bio(struct aac_softc *sc)
591{
592 struct bio *bp;
593
594 if ((bp = bioq_first(&sc->aac_bioq)) != NULL) {
595 bioq_remove(&sc->aac_bioq, bp);
596 AACQ_REMOVE(sc, AACQ_BIO);
597 }
598 return(bp);
599}
600
601static __inline void
602aac_print_printf(struct aac_softc *sc)
603{
604 /*
605 * XXX We have the ability to read the length of the printf string
606 * from out of the mailboxes.
607 */
608 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
609 sc->aac_common->ac_printf);
610 sc->aac_common->ac_printf[0] = 0;
611 AAC_QNOTIFY(sc, AAC_DB_PRINTF);
612}
613
614static __inline int
615aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
616{
617
618 mtx_assert(&sc->aac_io_lock, MA_OWNED);
619 *fib = &sc->aac_common->ac_sync_fib;
620 return (0);
621}
622
623static __inline void
624aac_release_sync_fib(struct aac_softc *sc)
625{
626
627 mtx_assert(&sc->aac_io_lock, MA_OWNED);
628}
629
| 368 struct selinfo rcv_select;
369 struct proc *aifthread;
370 int aifflags;
371#define AAC_AIFFLAGS_RUNNING (1 << 0)
372#define AAC_AIFFLAGS_AIF (1 << 1)
373#define AAC_AIFFLAGS_EXIT (1 << 2)
374#define AAC_AIFFLAGS_EXITED (1 << 3)
375#define AAC_AIFFLAGS_PRINTF (1 << 4)
376#define AAC_AIFFLAGS_ALLOCFIBS (1 << 5)
377#define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
378 AAC_AIFFLAGS_ALLOCFIBS)
379 u_int32_t flags;
380#define AAC_FLAGS_PERC2QC (1 << 0)
381#define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */
382#define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */
383#define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */
384#define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */
385#define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem
386 * 2GB-4GB range */
387#define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */
388#define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */
389#define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */
390#define AAC_FLAGS_SLAVE (1 << 9)
391#define AAC_FLAGS_MASTER (1 << 10)
392#define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */
393#define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */
394#define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */
395
396 u_int32_t supported_options;
397 u_int32_t scsi_method_id;
398 TAILQ_HEAD(,aac_sim) aac_sim_tqh;
399
400 u_int32_t aac_max_fibs; /* max. FIB count */
401 u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */
402 u_int32_t aac_max_fib_size; /* max. FIB size */
403 u_int32_t aac_sg_tablesize; /* max. sg count from host */
404 u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */
405};
406
407/*
408 * Event callback mechanism for the driver
409 */
410#define AAC_EVENT_NONE 0x00
411#define AAC_EVENT_CMFREE 0x01
412#define AAC_EVENT_MASK 0xff
413#define AAC_EVENT_REPEAT 0x100
414
415typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
416 void *arg);
417struct aac_event {
418 TAILQ_ENTRY(aac_event) ev_links;
419 int ev_type;
420 aac_event_cb_t *ev_callback;
421 void *ev_arg;
422};
423
424/*
425 * Public functions
426 */
427extern void aac_free(struct aac_softc *sc);
428extern int aac_attach(struct aac_softc *sc);
429extern int aac_detach(device_t dev);
430extern int aac_shutdown(device_t dev);
431extern int aac_suspend(device_t dev);
432extern int aac_resume(device_t dev);
433extern void aac_new_intr(void *arg);
434extern int aac_fast_intr(void *arg);
435extern void aac_submit_bio(struct bio *bp);
436extern void aac_biodone(struct bio *bp);
437extern void aac_startio(struct aac_softc *sc);
438extern int aac_alloc_command(struct aac_softc *sc,
439 struct aac_command **cmp);
440extern void aac_release_command(struct aac_command *cm);
441extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command,
442 u_int32_t xferstate, struct aac_fib *fib,
443 u_int16_t datasize);
444extern void aac_add_event(struct aac_softc *sc, struct aac_event
445 *event);
446
447/*
448 * Debugging levels:
449 * 0 - quiet, only emit warnings
450 * 1 - noisy, emit major function points and things done
451 * 2 - extremely noisy, emit trace items in loops, etc.
452 */
453#ifdef AAC_DEBUG
454# define debug(level, fmt, args...) \
455 do { \
456 if (level <=AAC_DEBUG) printf("%s: " fmt "\n", __func__ , ##args); \
457 } while (0)
458# define debug_called(level) \
459 do { \
460 if (level <= AAC_DEBUG) printf("%s: called\n", __func__); \
461 } while (0)
462
463extern void aac_print_queues(struct aac_softc *sc);
464extern void aac_panic(struct aac_softc *sc, char *reason);
465extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
466 const char *caller);
467extern void aac_print_aif(struct aac_softc *sc,
468 struct aac_aif_command *aif);
469
470#define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__)
471
472#else
473# define debug(level, fmt, args...)
474# define debug_called(level)
475
476# define aac_print_queues(sc)
477# define aac_panic(sc, reason)
478
479# define AAC_PRINT_FIB(sc, fib)
480# define aac_print_aif(sc, aac_aif_command)
481#endif
482
483struct aac_code_lookup {
484 char *string;
485 u_int32_t code;
486};
487
488/*
489 * Queue primitives for driver queues.
490 */
491#define AACQ_ADD(sc, qname) \
492 do { \
493 struct aac_qstat *qs; \
494 \
495 qs = &(sc)->aac_qstat[qname]; \
496 \
497 qs->q_length++; \
498 if (qs->q_length > qs->q_max) \
499 qs->q_max = qs->q_length; \
500 } while (0)
501
502#define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length--
503#define AACQ_INIT(sc, qname) \
504 do { \
505 sc->aac_qstat[qname].q_length = 0; \
506 sc->aac_qstat[qname].q_max = 0; \
507 } while (0)
508
509
510#define AACQ_COMMAND_QUEUE(name, index) \
511static __inline void \
512aac_initq_ ## name (struct aac_softc *sc) \
513{ \
514 TAILQ_INIT(&sc->aac_ ## name); \
515 AACQ_INIT(sc, index); \
516} \
517static __inline void \
518aac_enqueue_ ## name (struct aac_command *cm) \
519{ \
520 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
521 printf("command %p is on another queue, flags = %#x\n", \
522 cm, cm->cm_flags); \
523 panic("command is on another queue"); \
524 } \
525 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \
526 cm->cm_flags |= AAC_ON_ ## index; \
527 AACQ_ADD(cm->cm_sc, index); \
528} \
529static __inline void \
530aac_requeue_ ## name (struct aac_command *cm) \
531{ \
532 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
533 printf("command %p is on another queue, flags = %#x\n", \
534 cm, cm->cm_flags); \
535 panic("command is on another queue"); \
536 } \
537 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \
538 cm->cm_flags |= AAC_ON_ ## index; \
539 AACQ_ADD(cm->cm_sc, index); \
540} \
541static __inline struct aac_command * \
542aac_dequeue_ ## name (struct aac_softc *sc) \
543{ \
544 struct aac_command *cm; \
545 \
546 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \
547 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \
548 printf("command %p not in queue, flags = %#x, " \
549 "bit = %#x\n", cm, cm->cm_flags, \
550 AAC_ON_ ## index); \
551 panic("command not in queue"); \
552 } \
553 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \
554 cm->cm_flags &= ~AAC_ON_ ## index; \
555 AACQ_REMOVE(sc, index); \
556 } \
557 return(cm); \
558} \
559static __inline void \
560aac_remove_ ## name (struct aac_command *cm) \
561{ \
562 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \
563 printf("command %p not in queue, flags = %#x, " \
564 "bit = %#x\n", cm, cm->cm_flags, \
565 AAC_ON_ ## index); \
566 panic("command not in queue"); \
567 } \
568 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \
569 cm->cm_flags &= ~AAC_ON_ ## index; \
570 AACQ_REMOVE(cm->cm_sc, index); \
571} \
572struct hack
573
574AACQ_COMMAND_QUEUE(free, AACQ_FREE);
575AACQ_COMMAND_QUEUE(ready, AACQ_READY);
576AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
577
578/*
579 * outstanding bio queue
580 */
581static __inline void
582aac_initq_bio(struct aac_softc *sc)
583{
584 bioq_init(&sc->aac_bioq);
585 AACQ_INIT(sc, AACQ_BIO);
586}
587
588static __inline void
589aac_enqueue_bio(struct aac_softc *sc, struct bio *bp)
590{
591 bioq_insert_tail(&sc->aac_bioq, bp);
592 AACQ_ADD(sc, AACQ_BIO);
593}
594
595static __inline struct bio *
596aac_dequeue_bio(struct aac_softc *sc)
597{
598 struct bio *bp;
599
600 if ((bp = bioq_first(&sc->aac_bioq)) != NULL) {
601 bioq_remove(&sc->aac_bioq, bp);
602 AACQ_REMOVE(sc, AACQ_BIO);
603 }
604 return(bp);
605}
606
607static __inline void
608aac_print_printf(struct aac_softc *sc)
609{
610 /*
611 * XXX We have the ability to read the length of the printf string
612 * from out of the mailboxes.
613 */
614 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
615 sc->aac_common->ac_printf);
616 sc->aac_common->ac_printf[0] = 0;
617 AAC_QNOTIFY(sc, AAC_DB_PRINTF);
618}
619
620static __inline int
621aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
622{
623
624 mtx_assert(&sc->aac_io_lock, MA_OWNED);
625 *fib = &sc->aac_common->ac_sync_fib;
626 return (0);
627}
628
629static __inline void
630aac_release_sync_fib(struct aac_softc *sc)
631{
632
633 mtx_assert(&sc->aac_io_lock, MA_OWNED);
634}
635
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