Annotation of sys/dev/ic/aic79xx_openbsd.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: aic79xx_openbsd.h,v 1.16 2005/12/10 11:45:43 miod Exp $ */
2:
3: /*
4: * Copyright (c) 2004 Milos Urbanek, Kenneth R. Westerback & Marco Peereboom
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
17: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
20: * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26: * SUCH DAMAGE.
27: *
28: */
29:
30: /*
31: * FreeBSD platform specific driver option settings, data structures,
32: * function declarations and includes.
33: *
34: * Copyright (c) 1994-2001 Justin T. Gibbs.
35: * Copyright (c) 2001-2002 Adaptec Inc.
36: * All rights reserved.
37: *
38: * Redistribution and use in source and binary forms, with or without
39: * modification, are permitted provided that the following conditions
40: * are met:
41: * 1. Redistributions of source code must retain the above copyright
42: * notice, this list of conditions, and the following disclaimer,
43: * without modification.
44: * 2. The name of the author may not be used to endorse or promote products
45: * derived from this software without specific prior written permission.
46: *
47: * Alternatively, this software may be distributed under the terms of the
48: * GNU Public License ("GPL").
49: *
50: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
51: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
54: * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60: * SUCH DAMAGE.
61: *
62: * $FreeBSD: src/sys/dev/aic7xxx/aic79xx_osm.h,v 1.13 2003/12/17 00:02:09 gibbs Exp $
63: *
64: */
65:
66: #ifndef _AIC79XX_OPENBSD_H_
67: #define _AIC79XX_OPENBSD_H_
68:
69: #include "pci.h" /* for config options */
70:
71: #include <sys/param.h>
72: #include <sys/kernel.h>
73: #include <sys/systm.h>
74: #include <sys/device.h>
75: #include <sys/malloc.h>
76: #include <sys/buf.h>
77: #include <sys/proc.h>
78: #include <sys/queue.h>
79:
80: #define AIC_PCI_CONFIG 1
81: #include <dev/pci/pcireg.h>
82: #include <dev/pci/pcivar.h>
83:
84: #include <machine/bus.h>
85: #include <machine/intr.h>
86:
87: #include <scsi/scsi_all.h>
88: #include <scsi/scsi_message.h>
89: #include <scsi/scsi_debug.h>
90: #include <scsi/scsiconf.h>
91:
92: #include <uvm/uvm_extern.h>
93:
94: #ifdef DEBUG
95: #define bootverbose 1
96: #else
97: #define bootverbose 0
98: #endif
99: /****************************** Platform Macros *******************************/
100: #define SCSI_IS_SCSIBUS_B(ahd, sc_link) \
101: (0)
102: #define SCSI_CHANNEL(ahd, sc_link) \
103: ('A')
104: #define SCSI_SCSI_ID(ahd, sc_link) \
105: (ahd->our_id)
106: #define BUILD_SCSIID(ahd, sc_link, target_id, our_id) \
107: ((((target_id) << TID_SHIFT) & TID) | (our_id))
108:
109: #ifndef offsetof
110: #define offsetof(type, member) ((size_t)(&((type *)0)->member))
111: #endif
112:
113: /************************* Forward Declarations *******************************/
114: typedef struct pci_attach_args * ahd_dev_softc_t;
115:
116: /***************************** Bus Space/DMA **********************************/
117:
118: /* XXX Need to update Bus DMA for partial map syncs */
119: #define ahd_dmamap_sync(ahc, dma_tag, dmamap, offset, len, op) \
120: bus_dmamap_sync(dma_tag, dmamap, offset, len, op)
121:
122: /************************ Tunable Driver Parameters **************************/
123: /*
124: * The number of dma segments supported. The sequencer can handle any number
125: * of physically contiguous S/G entries. To reduce the driver's memory
126: * consumption, we limit the number supported to be sufficient to handle
127: * the largest mapping supported by the kernel, MAXPHYS. Assuming the
128: * transfer is as fragmented as possible and unaligned, this turns out to
129: * be the number of paged sized transfers in MAXPHYS plus an extra element
130: * to handle any unaligned residual. The sequencer fetches SG elements
131: * in cacheline sized chucks, so make the number per-transaction an even
132: * multiple of 16 which should align us on even the largest of cacheline
133: * boundaries.
134: */
135: #define AHD_NSEG (roundup(btoc(MAXPHYS) + 1, 16))
136:
137: /* This driver supports target mode */
138: // #define AHD_TARGET_MODE 1
139:
140: /************************** Softc/SCB Platform Data ***************************/
141: struct ahd_platform_data {
142: };
143:
144: struct scb_platform_data {
145: };
146:
147: /************************** Timer DataStructures ******************************/
148: typedef struct timeout aic_timer_t;
149:
150: /***************************** Core Includes **********************************/
151:
152: #if AHD_REG_PRETTY_PRINT
153: #define AIC_DEBUG_REGISTERS 1
154: #else
155: #define AIC_DEBUG_REGISTERS 0
156: #endif
157: #include <dev/ic/aic79xx.h>
158:
159: /***************************** Timer Facilities *******************************/
160: void ahd_timeout(void*);
161: void aic_timer_reset(aic_timer_t *, u_int, ahd_callback_t *, void *);
162: void aic_scb_timer_reset(struct scb *, u_int);
163:
164: #define aic_timer_stop timeout_del
165: #define aic_get_timeout(scb) ((scb)->xs->timeout)
166: /*************************** Device Access ************************************/
167: #define ahd_inb(ahd, port) \
168: bus_space_read_1((ahd)->tags[(port) >> 8], \
169: (ahd)->bshs[(port) >> 8], (port) & 0xFF)
170:
171: #define ahd_outb(ahd, port, value) \
172: bus_space_write_1((ahd)->tags[(port) >> 8], \
173: (ahd)->bshs[(port) >> 8], (port) & 0xFF, value)
174:
175: #define ahd_inw_atomic(ahd, port) \
176: aic_le16toh(bus_space_read_2((ahd)->tags[(port) >> 8], \
177: (ahd)->bshs[(port) >> 8], (port) & 0xFF))
178:
179: #define ahd_outw_atomic(ahd, port, value) \
180: bus_space_write_2((ahd)->tags[(port) >> 8], \
181: (ahd)->bshs[(port) >> 8], \
182: (port & 0xFF), aic_htole16(value))
183:
184: #define ahd_outsb(ahd, port, valp, count) \
185: bus_space_write_multi_1((ahd)->tags[(port) >> 8], \
186: (ahd)->bshs[(port) >> 8], \
187: (port & 0xFF), valp, count)
188:
189: #define ahd_insb(ahd, port, valp, count) \
190: bus_space_read_multi_1((ahd)->tags[(port) >> 8], \
191: (ahd)->bshs[(port) >> 8], \
192: (port & 0xFF), valp, count)
193:
194: void ahd_flush_device_writes(struct ahd_softc *);
195:
196: /**************************** Locking Primitives ******************************/
197: /* Lock protecting internal data structures */
198: #define ahd_lockinit(ahd)
199: #define ahd_lock(ahd, flags) *(flags) = splbio()
200: #define ahd_unlock(ahd, flags) splx(*(flags))
201:
202: /* Lock held during command completion to the upper layer */
203: #define ahd_done_lockinit(ahd)
204: #define ahd_done_lock(ahd, flags)
205: #define ahd_done_unlock(ahd, flags)
206:
207: /* Lock held during ahd_list manipulation and ahd softc frees */
208: #define ahd_list_lockinit(x)
209: #define ahd_list_lock(flags) *(flags) = splbio()
210: #define ahd_list_unlock(flags) splx(*(flags))
211:
212: /****************************** OS Primitives *********************************/
213: #define scsi_4btoul(b) (_4btol(b))
214:
215: /************************** Transaction Operations ****************************/
216: #define aic_set_transaction_status(scb, status) (scb)->xs->error = (status)
217: #define aic_set_scsi_status(scb, status) (scb)->xs->xs_status = (status)
218: #define aic_set_transaction_tag(scb, enabled, type)
219: #define aic_set_residual(scb, residual) (scb)->xs->resid = (residual)
220: #define aic_set_sense_residual(scb, residual) (scb)->xs->resid = (residual)
221:
222: #define aic_get_transaction_status(scb) \
223: (((scb)->xs->flags & ITSDONE) ? CAM_REQ_CMP : (scb)->xs->error)
224: #define aic_get_scsi_status(scb) ((scb)->xs->status)
225: #define aic_get_transfer_length(scb) ((scb)->xs->datalen)
226: #define aic_get_transfer_dir(scb) \
227: ((scb)->xs->flags & (SCSI_DATA_IN | SCSI_DATA_OUT))
228: #define aic_get_residual(scb) ((scb)->xs->resid)
229: #define aic_get_sense_bufsize(ahd, scb) (sizeof(struct scsi_sense_data))
230:
231: #define aic_perform_autosense(scb) (1)
232:
233: #define aic_freeze_simq(ahd)
234: #define aic_release_simq(ahd)
235: #define aic_freeze_scb(scb)
236: #define ahd_platform_freeze_devq(ahd, scb)
237: #define ahd_platform_abort_scbs(ahd, target, channel, lun, tag, role, status)
238:
239: void aic_platform_scb_free(struct ahd_softc *, struct scb *);
240:
241: /********************************** PCI ***************************************/
242: /*#if AHD_PCI_CONFIG > 0*/
243: #define aic_get_pci_function(pci) ((pci)->pa_function)
244: #define aic_get_pci_slot(pci) ((pci)->pa_device)
245: #define aic_get_pci_bus(pci) ((pci)->pa_bus)
246:
247: int ahd_pci_map_registers(struct ahd_softc *);
248: int ahd_pci_map_int(struct ahd_softc *);
249: /*#endif*/
250:
251: typedef enum
252: {
253: AHD_POWER_STATE_D0,
254: AHD_POWER_STATE_D1,
255: AHD_POWER_STATE_D2,
256: AHD_POWER_STATE_D3
257: } ahd_power_state;
258:
259: void ahd_power_state_change(struct ahd_softc *, ahd_power_state);
260:
261: /********************************* Debug **************************************/
262: void ahd_print_path(struct ahd_softc *, struct scb *);
263: void ahd_platform_dump_card_state(struct ahd_softc *ahd);
264:
265: /**************************** Transfer Settings *******************************/
266: void ahd_notify_xfer_settings_change(struct ahd_softc *,
267: struct ahd_devinfo *);
268: void ahd_platform_set_tags(struct ahd_softc *, struct ahd_devinfo *,
269: ahd_queue_alg);
270:
271: /************************* Initialization/Teardown ****************************/
272: int ahd_platform_alloc(struct ahd_softc *, void *);
273: void ahd_platform_free(struct ahd_softc *);
274: int ahd_attach(struct ahd_softc *);
275: int ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd);
276: int ahd_detach(struct device *, int);
277:
278: #define ahd_platform_init(ahd)
279:
280: /****************************** Interrupts ************************************/
281: int ahd_platform_intr(void *);
282: void ahd_platform_flushwork(struct ahd_softc *ahd);
283: /************************ Misc Function Declarations **************************/
284: void ahd_done(struct ahd_softc *, struct scb *);
285: void ahd_send_async(struct ahd_softc *, char /*channel*/,
286: u_int /*target*/, u_int /*lun*/, ac_code, void *arg);
287: #endif /* _AIC79XX_OPENBSD_H_ */
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