2 * FreeBSD platform specific, shared driver option settings, data structures,
3 * function declarations and includes.
5 * Copyright (c) 1994-2001 Justin T. Gibbs.
6 * Copyright (c) 2001-2003 Adaptec Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions, and the following disclaimer,
14 * without modification.
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.
18 * Alternatively, this software may be distributed under the terms of the
19 * GNU Public License ("GPL").
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
25 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * $Id: //depot/aic7xxx/freebsd/dev/aic7xxx/aic_osm_lib.h#4 $
35 * $FreeBSD: src/sys/dev/aic7xxx/aic_osm_lib.h,v 1.1 2003/12/17 00:02:10 gibbs Exp $
36 * $DragonFly: src/sys/dev/disk/aic7xxx/aic_osm_lib.h,v 1.1 2007/07/06 00:01:16 pavalos Exp $
39 /******************************** OS Includes *********************************/
40 #if __FreeBSD_version >= 500000
41 #include <sys/mutex.h>
44 /*************************** Library Symbol Mapping ***************************/
45 #define AIC_LIB_ENTRY_CONCAT(x, prefix) prefix ## x
46 #define AIC_LIB_ENTRY_EXPAND(x, prefix) AIC_LIB_ENTRY_CONCAT(x, prefix)
47 #define AIC_LIB_ENTRY(x) AIC_LIB_ENTRY_EXPAND(x, AIC_LIB_PREFIX)
48 #define AIC_CONST_ENTRY(x) AIC_LIB_ENTRY_EXPAND(x,AIC_CONST_PREFIX)
50 #define aic_softc AIC_LIB_ENTRY(_softc)
51 #define aic_tailq AIC_LIB_ENTRY(_tailq)
52 #define aic_transinfo AIC_LIB_ENTRY(_transinfo)
53 #define aic_platform_data AIC_LIB_ENTRY(_platform_data)
54 #define aic_devinfo AIC_LIB_ENTRY(_devinfo)
55 #define aic_lock AIC_LIB_ENTRY(_lock)
56 #define aic_unlock AIC_LIB_ENTRY(_unlock)
57 #define aic_callback_t AIC_LIB_ENTRY(_callback_t)
58 #define aic_platform_freeze_devq AIC_LIB_ENTRY(_platform_freeze_devq)
59 #define aic_platform_abort_scbs AIC_LIB_ENTRY(_platform_abort_scbs)
60 #define aic_platform_timeout AIC_LIB_ENTRY(_platform_timeout)
61 #define aic_timeout AIC_LIB_ENTRY(_timeout)
62 #define aic_set_recoveryscb AIC_LIB_ENTRY(_set_recoveryscb)
63 #define aic_spawn_recovery_thread AIC_LIB_ENTRY(_spawn_recovery_thread)
64 #define aic_wakeup_recovery_thread AIC_LIB_ENTRY(_wakeup_recovery_thread)
65 #define aic_terminate_recovery_thread \
66 AIC_LIB_ENTRY(_terminate_recovery_thread)
67 #define aic_recovery_thread AIC_LIB_ENTRY(_recovery_thread)
68 #define aic_recover_commands AIC_LIB_ENTRY(_recover_commands)
70 #define AIC_RESOURCE_SHORTAGE AIC_CONST_ENTRY(_RESOURCE_SHORTAGE)
71 #define AIC_SHUTDOWN_RECOVERY AIC_CONST_ENTRY(_SHUTDOWN_RECOVERY)
73 /********************************* Byte Order *********************************/
74 #if __FreeBSD_version >= 500000
75 #define aic_htobe16(x) htobe16(x)
76 #define aic_htobe32(x) htobe32(x)
77 #define aic_htobe64(x) htobe64(x)
78 #define aic_htole16(x) htole16(x)
79 #define aic_htole32(x) htole32(x)
80 #define aic_htole64(x) htole64(x)
82 #define aic_be16toh(x) be16toh(x)
83 #define aic_be32toh(x) be32toh(x)
84 #define aic_be64toh(x) be64toh(x)
85 #define aic_le16toh(x) le16toh(x)
86 #define aic_le32toh(x) le32toh(x)
87 #define aic_le64toh(x) le64toh(x)
89 #define aic_htobe16(x) (x)
90 #define aic_htobe32(x) (x)
91 #define aic_htobe64(x) (x)
92 #define aic_htole16(x) (x)
93 #define aic_htole32(x) (x)
94 #define aic_htole64(x) (x)
96 #define aic_be16toh(x) (x)
97 #define aic_be32toh(x) (x)
98 #define aic_be64toh(x) (x)
99 #define aic_le16toh(x) (x)
100 #define aic_le32toh(x) (x)
101 #define aic_le64toh(x) (x)
104 /************************* Forward Declarations *******************************/
105 typedef device_t aic_dev_softc_t;
106 typedef union ccb *aic_io_ctx_t;
110 /*************************** Timer DataStructures *****************************/
111 typedef struct callout aic_timer_t;
113 /****************************** Error Recovery ********************************/
114 void aic_set_recoveryscb(struct aic_softc *aic, struct scb *scb);
115 timeout_t aic_platform_timeout;
116 int aic_spawn_recovery_thread(struct aic_softc *aic);
117 void aic_terminate_recovery_thread(struct aic_softc *aic);
119 static __inline void aic_wakeup_recovery_thread(struct aic_softc *aic);
122 aic_wakeup_recovery_thread(struct aic_softc *aic)
127 /****************************** Kernel Threads ********************************/
128 #if __FreeBSD_version > 500005
129 #define aic_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
130 kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg)
132 #define aic_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \
133 kthread_create(func, farg, proc_ptr, fmtstr, arg)
136 /******************************* Bus Space/DMA ********************************/
138 #if __FreeBSD_version >= 501102
139 #define aic_dma_tag_create(aic, parent_tag, alignment, boundary, \
140 lowaddr, highaddr, filter, filterarg, \
141 maxsize, nsegments, maxsegsz, flags, \
143 bus_dma_tag_create(parent_tag, alignment, boundary, \
144 lowaddr, highaddr, filter, filterarg, \
145 maxsize, nsegments, maxsegsz, flags, \
146 busdma_lock_mutex, &Giant, \
149 #define aic_dma_tag_create(aic, parent_tag, alignment, boundary, \
150 lowaddr, highaddr, filter, filterarg, \
151 maxsize, nsegments, maxsegsz, flags, \
153 bus_dma_tag_create(parent_tag, alignment, boundary, \
154 lowaddr, highaddr, filter, filterarg, \
155 maxsize, nsegments, maxsegsz, flags, \
159 #define aic_dma_tag_destroy(aic, tag) \
160 bus_dma_tag_destroy(tag)
162 #define aic_dmamem_alloc(aic, dmat, vaddr, flags, mapp) \
163 bus_dmamem_alloc(dmat, vaddr, flags, mapp)
165 #define aic_dmamem_free(aic, dmat, vaddr, map) \
166 bus_dmamem_free(dmat, vaddr, map)
168 #define aic_dmamap_create(aic, tag, flags, mapp) \
169 bus_dmamap_create(tag, flags, mapp)
171 #define aic_dmamap_destroy(aic, tag, map) \
172 bus_dmamap_destroy(tag, map)
174 #define aic_dmamap_load(aic, dmat, map, addr, buflen, callback, \
175 callback_arg, flags) \
176 bus_dmamap_load(dmat, map, addr, buflen, callback, callback_arg, flags)
178 #define aic_dmamap_unload(aic, tag, map) \
179 bus_dmamap_unload(tag, map)
181 /* XXX Need to update Bus DMA for partial map syncs */
182 #define aic_dmamap_sync(aic, dma_tag, dmamap, offset, len, op) \
183 bus_dmamap_sync(dma_tag, dmamap, op)
185 /***************************** Core Includes **********************************/
186 #include AIC_CORE_INCLUDE
188 /***************************** Timer Facilities *******************************/
189 #if __FreeBSD_version >= 500000
190 #define aic_timer_init(timer) callout_init(timer, /*mpsafe*/0)
192 #define aic_timer_init callout_init
194 #define aic_timer_stop callout_stop
196 static __inline void aic_timer_reset(aic_timer_t *, u_int,
197 aic_callback_t *, void *);
198 static __inline u_int aic_get_timeout(struct scb *);
199 static __inline void aic_scb_timer_reset(struct scb *, u_int);
202 aic_timer_reset(aic_timer_t *timer, u_int usec, aic_callback_t *func, void *arg)
204 callout_reset(timer, (usec * hz)/1000000, func, arg);
207 static __inline u_int
208 aic_get_timeout(struct scb *scb)
210 return (scb->io_ctx->ccb_h.timeout);
214 aic_scb_timer_reset(struct scb *scb, u_int usec)
216 callout_reset(&scb->io_ctx->ccb_h.timeout_ch, (usec * hz)/1000000,
217 aic_platform_timeout, scb);
220 /************************** Transaction Operations ****************************/
221 static __inline void aic_set_transaction_status(struct scb *, uint32_t);
222 static __inline void aic_set_scsi_status(struct scb *, uint32_t);
223 static __inline uint32_t aic_get_transaction_status(struct scb *);
224 static __inline uint32_t aic_get_scsi_status(struct scb *);
225 static __inline void aic_set_transaction_tag(struct scb *, int, u_int);
226 static __inline u_long aic_get_transfer_length(struct scb *);
227 static __inline int aic_get_transfer_dir(struct scb *);
228 static __inline void aic_set_residual(struct scb *, u_long);
229 static __inline void aic_set_sense_residual(struct scb *, u_long);
230 static __inline u_long aic_get_residual(struct scb *);
231 static __inline int aic_perform_autosense(struct scb *);
232 static __inline uint32_t aic_get_sense_bufsize(struct aic_softc*, struct scb*);
233 static __inline void aic_freeze_ccb(union ccb *ccb);
234 static __inline void aic_freeze_scb(struct scb *scb);
235 static __inline void aic_platform_freeze_devq(struct aic_softc *, struct scb *);
236 static __inline int aic_platform_abort_scbs(struct aic_softc *aic, int target,
237 char channel, int lun, u_int tag,
238 role_t role, uint32_t status);
241 void aic_set_transaction_status(struct scb *scb, uint32_t status)
243 scb->io_ctx->ccb_h.status &= ~CAM_STATUS_MASK;
244 scb->io_ctx->ccb_h.status |= status;
248 void aic_set_scsi_status(struct scb *scb, uint32_t status)
250 scb->io_ctx->csio.scsi_status = status;
254 uint32_t aic_get_transaction_status(struct scb *scb)
256 return (scb->io_ctx->ccb_h.status & CAM_STATUS_MASK);
260 uint32_t aic_get_scsi_status(struct scb *scb)
262 return (scb->io_ctx->csio.scsi_status);
266 void aic_set_transaction_tag(struct scb *scb, int enabled, u_int type)
268 scb->io_ctx->csio.tag_action = type;
270 scb->io_ctx->ccb_h.flags |= CAM_TAG_ACTION_VALID;
272 scb->io_ctx->ccb_h.flags &= ~CAM_TAG_ACTION_VALID;
276 u_long aic_get_transfer_length(struct scb *scb)
278 return (scb->io_ctx->csio.dxfer_len);
282 int aic_get_transfer_dir(struct scb *scb)
284 return (scb->io_ctx->ccb_h.flags & CAM_DIR_MASK);
288 void aic_set_residual(struct scb *scb, u_long resid)
290 scb->io_ctx->csio.resid = resid;
294 void aic_set_sense_residual(struct scb *scb, u_long resid)
296 scb->io_ctx->csio.sense_resid = resid;
300 u_long aic_get_residual(struct scb *scb)
302 return (scb->io_ctx->csio.resid);
306 int aic_perform_autosense(struct scb *scb)
308 return (!(scb->io_ctx->ccb_h.flags & CAM_DIS_AUTOSENSE));
311 static __inline uint32_t
312 aic_get_sense_bufsize(struct aic_softc *aic, struct scb *scb)
314 return (sizeof(struct scsi_sense_data));
318 aic_freeze_ccb(union ccb *ccb)
320 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
321 ccb->ccb_h.status |= CAM_DEV_QFRZN;
322 xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
327 aic_freeze_scb(struct scb *scb)
329 aic_freeze_ccb(scb->io_ctx);
333 aic_platform_freeze_devq(struct aic_softc *aic, struct scb *scb)
335 /* Nothing to do here for FreeBSD */
339 aic_platform_abort_scbs(struct aic_softc *aic, int target,
340 char channel, int lun, u_int tag,
341 role_t role, uint32_t status)
343 /* Nothing to do here for FreeBSD */
348 aic_platform_scb_free(struct aic_softc *aic, struct scb *scb)
350 /* What do we do to generically handle driver resource shortages??? */
351 if ((aic->flags & AIC_RESOURCE_SHORTAGE) != 0
352 && scb->io_ctx != NULL
353 && (scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) {
354 scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ;
355 aic->flags &= ~AIC_RESOURCE_SHORTAGE;
360 /****************************** OS Primitives *********************************/
361 #define aic_delay DELAY
363 /********************************** PCI ***************************************/
364 #ifdef AIC_PCI_CONFIG
365 static __inline uint32_t aic_pci_read_config(aic_dev_softc_t pci,
367 static __inline void aic_pci_write_config(aic_dev_softc_t pci,
368 int reg, uint32_t value,
370 static __inline int aic_get_pci_function(aic_dev_softc_t);
371 static __inline int aic_get_pci_slot(aic_dev_softc_t);
372 static __inline int aic_get_pci_bus(aic_dev_softc_t);
375 static __inline uint32_t
376 aic_pci_read_config(aic_dev_softc_t pci, int reg, int width)
378 return (pci_read_config(pci, reg, width));
382 aic_pci_write_config(aic_dev_softc_t pci, int reg, uint32_t value, int width)
384 pci_write_config(pci, reg, value, width);
388 aic_get_pci_function(aic_dev_softc_t pci)
390 return (pci_get_function(pci));
394 aic_get_pci_slot(aic_dev_softc_t pci)
396 return (pci_get_slot(pci));
400 aic_get_pci_bus(aic_dev_softc_t pci)
402 return (pci_get_bus(pci));
407 AIC_POWER_STATE_D0 = PCI_POWERSTATE_D0,
408 AIC_POWER_STATE_D1 = PCI_POWERSTATE_D1,
409 AIC_POWER_STATE_D2 = PCI_POWERSTATE_D2,
410 AIC_POWER_STATE_D3 = PCI_POWERSTATE_D3
413 static __inline int aic_power_state_change(struct aic_softc *aic,
414 aic_power_state new_state);
417 aic_power_state_change(struct aic_softc *aic, aic_power_state new_state)
419 return (pci_set_powerstate(aic->dev_softc, new_state));