ips.h revision 116852
1237434Skib/*-
2237434Skib * Copyright (c) 2002 Adaptec Inc.
3237434Skib * All rights reserved.
4237434Skib *
5237434Skib * Written by: David Jeffery
6237434Skib *
7237434Skib * Redistribution and use in source and binary forms, with or without
8237434Skib * modification, are permitted provided that the following conditions
9237434Skib * are met:
10237434Skib * 1. Redistributions of source code must retain the above copyright
11237434Skib *    notice, this list of conditions and the following disclaimer.
12237434Skib * 2. Redistributions in binary form must reproduce the above copyright
13237434Skib *    notice, this list of conditions and the following disclaimer in the
14237434Skib *    documentation and/or other materials provided with the distribution.
15237434Skib *
16237434Skib * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17237434Skib * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18237434Skib * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19237434Skib * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20237434Skib * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21237434Skib * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22237434Skib * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23237434Skib * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24237434Skib * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25237434Skib * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26237434Skib * SUCH DAMAGE.
27237434Skib *
28237434Skib * $FreeBSD: head/sys/dev/ips/ips.h 116852 2003-06-26 00:03:59Z scottl $
29237434Skib */
30237434Skib
31237434Skib
32237434Skib#include <sys/param.h>
33237434Skib#include <sys/systm.h>
34237434Skib#include <sys/kernel.h>
35237434Skib#include <sys/bus.h>
36237434Skib#include <sys/conf.h>
37237434Skib#include <sys/types.h>
38237434Skib#include <sys/queue.h>
39237434Skib#include <sys/bio.h>
40237434Skib#include <sys/malloc.h>
41237434Skib#include <sys/mutex.h>
42237434Skib
43237434Skib#include <machine/bus_memio.h>
44246117Skib#include <machine/bus.h>
45237434Skib#include <sys/rman.h>
46237434Skib#include <machine/resource.h>
47237434Skib
48237434Skib#include <pci/pcireg.h>
49#include <pci/pcivar.h>
50
51/*
52 *   IPS CONSTANTS
53 */
54#define IPS_VENDOR_ID                   0x1014
55#define IPS_MORPHEUS_DEVICE_ID          0x01BD
56#define IPS_COPPERHEAD_DEVICE_ID        0x002E
57#define IPS_CSL				0xff
58#define IPS_POCL			0x30
59
60/* amounts of memory to allocate for certain commands */
61#define IPS_ADAPTER_INFO_LEN		(sizeof(ips_adapter_info_t))
62#define IPS_DRIVE_INFO_LEN		(sizeof(ips_drive_info_t))
63#define IPS_COMMAND_LEN			24
64#define IPS_MAX_SG_LEN			(sizeof(ips_sg_element_t) * IPS_MAX_SG_ELEMENTS)
65#define IPS_NVRAM_PAGE_SIZE		128
66/* various flags */
67#define IPS_NOWAIT_FLAG			1
68
69/* states for the card to be in */
70#define IPS_DEV_OPEN			0x01
71#define IPS_TIMEOUT			0x02 /* command time out, need reset */
72#define IPS_OFFLINE			0x04 /* can't reset card/card failure */
73
74/* max number of commands set to something low for now */
75#define IPS_MAX_CMD_NUM			128
76#define IPS_MAX_NUM_DRIVES		8
77#define IPS_MAX_SG_ELEMENTS		32
78#define IPS_MAX_IOBUF_SIZE		(64 * 1024)
79#define IPS_BLKSIZE			512
80
81/* logical drive states */
82
83#define IPS_LD_OFFLINE               	0x02
84#define IPS_LD_OKAY                  	0x03
85#define IPS_LD_FREE                  	0x00
86#define IPS_LD_SYS                   	0x06
87#define IPS_LD_CRS                   	0x24
88
89/* register offsets */
90#define MORPHEUS_REG_OMR0               0x0018 /* Outbound Msg. Reg. 0 */
91#define MORPHEUS_REG_OMR1               0x001C /* Outbound Msg. Reg. 1 */
92#define MORPHEUS_REG_IDR		0x0020 /* Inbound Doorbell Reg. */
93#define MORPHEUS_REG_IISR               0x0024 /* Inbound IRQ Status Reg. */
94#define MORPHEUS_REG_IIMR               0x0028 /* Inbound IRQ Mask Reg. */
95#define MORPHEUS_REG_OISR               0x0030 /* Outbound IRQ Status Reg. */
96#define MORPHEUS_REG_OIMR               0x0034 /* Outbound IRQ Status Reg. */
97#define MORPHEUS_REG_IQPR               0x0040 /* Inbound Queue Port Reg. */
98#define MORPHEUS_REG_OQPR               0x0044 /* Outbound Queue Port Reg. */
99
100#define COPPER_REG_SCPR			0x05	/* Subsystem Ctrl. Port Reg. */
101#define COPPER_REG_ISPR			0x06	/* IRQ Status Port Reg. */
102#define COPPER_REG_CBSP			0x07	/* ? Reg. */
103#define COPPER_REG_HISR			0x08	/* Host IRQ Status Reg.    */
104#define COPPER_REG_CCSAR		0x10	/* Cmd. Channel Sys Addr Reg.*/
105#define COPPER_REG_CCCR			0x14	/* Cmd. Channel Ctrl. Reg. */
106#define COPPER_REG_SQHR                	0x20    /* Status Queue Head Reg.  */
107#define COPPER_REG_SQTR                	0x24    /* Status Queue Tail Reg.  */
108#define COPPER_REG_SQER                	0x28    /* Status Queue End Reg.   */
109#define COPPER_REG_SQSR                	0x2C    /* Status Queue Start Reg. */
110
111/* bit definitions */
112#define MORPHEUS_BIT_POST1              0x01
113#define MORPHEUS_BIT_POST2              0x02
114#define MORPHEUS_BIT_CMD_IRQ		0x08
115
116#define COPPER_CMD_START		0x101A
117#define COPPER_SEM_BIT			0x08
118#define COPPER_EI_BIT			0x80
119#define COPPER_EBM_BIT			0x02
120#define COPPER_RESET_BIT		0x80
121#define COPPER_GHI_BIT			0x04
122#define COPPER_SCE_BIT			0x01
123#define COPPER_OP_BIT			0x01
124#define COPPER_ILE_BIT			0x10
125
126/* status defines */
127#define IPS_POST1_OK                    0x8000
128#define IPS_POST2_OK                    0x000f
129
130/* command op codes */
131#define IPS_READ_CMD			0x02
132#define IPS_WRITE_CMD			0x03
133#define IPS_ADAPTER_INFO_CMD		0x05
134#define IPS_CACHE_FLUSH_CMD		0x0A
135#define IPS_REBUILD_STATUS_CMD		0x0C
136#define IPS_ERROR_TABLE_CMD		0x17
137#define IPS_DRIVE_INFO_CMD		0x19
138#define IPS_SUBSYS_PARAM_CMD		0x40
139#define IPS_CONFIG_SYNC_CMD		0x58
140#define IPS_SG_READ_CMD			0x82
141#define IPS_SG_WRITE_CMD		0x83
142#define IPS_RW_NVRAM_CMD		0xBC
143
144/* error information returned by the adapter */
145#define IPS_MIN_ERROR			0x02
146#define IPS_ERROR_STATUS		0x13000200 /* ahh, magic numbers */
147
148#define IPS_OS_FREEBSD			10
149#define IPS_VERSION_MAJOR		"0.90"
150#define IPS_VERSION_MINOR		".00"
151
152/*
153 *  IPS MACROS
154 */
155
156#define ips_read_1(sc,offset)		bus_space_read_1(sc->bustag, sc->bushandle, offset)
157#define ips_read_2(sc,offset) 		bus_space_read_2(sc->bustag, sc->bushandle, offset)
158#define ips_read_4(sc,offset)		bus_space_read_4(sc->bustag, sc->bushandle, offset)
159
160#define ips_write_1(sc,offset,value)	bus_space_write_1(sc->bustag, sc->bushandle, offset, value)
161#define ips_write_2(sc,offset,value) 	bus_space_write_2(sc->bustag, sc->bushandle, offset, value)
162#define ips_write_4(sc,offset,value)	bus_space_write_4(sc->bustag, sc->bushandle, offset, value)
163
164/* this is ugly.  It zeros the end elements in an ips_command_t struct starting with the status element */
165#define clear_ips_command(command)	bzero(&((command)->status), (unsigned long)(&(command)[1])-(unsigned long)&((command)->status))
166
167#define ips_read_request(iobuf)		((iobuf)->bio_cmd == BIO_READ)
168
169#define COMMAND_ERROR(status)		(((status)->fields.basic_status & 0x0f) >= IPS_MIN_ERROR)
170
171#ifndef IPS_DEBUG
172#define DEVICE_PRINTF(x...)
173#define PRINTF(x...)
174#else
175#define DEVICE_PRINTF(level,x...)	if(IPS_DEBUG >= level)device_printf(x)
176#define PRINTF(level,x...)		if(IPS_DEBUG >= level)printf(x)
177#endif
178/*
179 *   IPS STRUCTS
180 */
181
182struct ips_softc;
183
184typedef struct{
185	u_int8_t	command;
186	u_int8_t	id;
187	u_int8_t	drivenum;
188	u_int8_t	reserve2;
189	u_int32_t	lba;
190	u_int32_t	buffaddr;
191	u_int32_t	reserve3;
192} __attribute__ ((packed)) ips_generic_cmd;
193
194typedef struct{
195	u_int8_t	command;
196	u_int8_t	id;
197	u_int8_t	drivenum;
198	u_int8_t	segnum;
199	u_int32_t	lba;
200	u_int32_t	buffaddr;
201	u_int16_t	length;
202	u_int16_t	reserve1;
203} __attribute__ ((packed)) ips_io_cmd;
204
205typedef struct{
206	u_int8_t	command;
207	u_int8_t	id;
208	u_int8_t	pagenum;
209	u_int8_t	rw;
210	u_int32_t	reserve1;
211	u_int32_t	buffaddr;
212	u_int32_t	reserve3;
213} __attribute__ ((packed)) ips_rw_nvram_cmd;
214
215typedef struct{
216	u_int8_t	command;
217	u_int8_t	id;
218	u_int8_t	drivenum;
219	u_int8_t	reserve1;
220	u_int32_t	reserve2;
221	u_int32_t	buffaddr;
222	u_int32_t	reserve3;
223} __attribute__ ((packed)) ips_drive_cmd;
224
225typedef struct{
226	u_int8_t	command;
227	u_int8_t	id;
228	u_int8_t	reserve1;
229	u_int8_t	commandtype;
230	u_int32_t	reserve2;
231	u_int32_t	buffaddr;
232	u_int32_t	reserve3;
233} __attribute__((packed)) ips_adapter_info_cmd;
234
235typedef union{
236	ips_generic_cmd		generic_cmd;
237	ips_drive_cmd 		drive_cmd;
238	ips_adapter_info_cmd 	adapter_info_cmd;
239} ips_cmd_buff_t;
240
241typedef struct {
242   u_int32_t  signature;
243   u_int8_t   reserved;
244   u_int8_t   adapter_slot;
245   u_int16_t  adapter_type;
246   u_int8_t   bios_high[4];
247   u_int8_t   bios_low[4];
248   u_int16_t  reserve2;
249   u_int8_t   reserve3;
250   u_int8_t   operating_system;
251   u_int8_t   driver_high[4];
252   u_int8_t   driver_low[4];
253   u_int8_t   reserve4[100];
254}__attribute__((packed)) ips_nvram_page5;
255
256typedef struct{
257	u_int32_t	addr;
258	u_int32_t	len;
259} ips_sg_element_t;
260
261typedef struct{
262	u_int8_t	drivenum;
263	u_int8_t	merge_id;
264	u_int8_t	raid_lvl;
265	u_int8_t	state;
266	u_int32_t	sector_count;
267} __attribute__((packed)) ips_drive_t;
268
269typedef struct{
270	u_int8_t	drivecount;
271	u_int8_t	reserve1;
272	u_int16_t	reserve2;
273	ips_drive_t drives[IPS_MAX_NUM_DRIVES];
274}__attribute__((packed)) ips_drive_info_t;
275
276typedef struct{
277	u_int8_t	drivecount;
278	u_int8_t	miscflags;
279	u_int8_t	SLTflags;
280	u_int8_t	BSTflags;
281	u_int8_t	pwr_chg_count;
282	u_int8_t	wrong_addr_count;
283	u_int8_t	unident_count;
284	u_int8_t	nvram_dev_chg_count;
285	u_int8_t	codeblock_version[8];
286	u_int8_t	bootblock_version[8];
287	u_int32_t	drive_sector_count[IPS_MAX_NUM_DRIVES];
288	u_int8_t	max_concurrent_cmds;
289	u_int8_t	max_phys_devices;
290	u_int16_t	flash_prog_count;
291	u_int8_t	defunct_disks;
292	u_int8_t	rebuildflags;
293	u_int8_t	offline_drivecount;
294	u_int8_t	critical_drivecount;
295	u_int16_t	config_update_count;
296	u_int8_t	blockedflags;
297	u_int8_t	psdn_error;
298	u_int16_t	addr_dead_disk[4*16];/* ugly, max # channels * max # scsi devices per channel */
299}__attribute__((packed)) ips_adapter_info_t;
300
301typedef struct {
302	u_int32_t 	status[IPS_MAX_CMD_NUM];
303	u_int32_t 	base_phys_addr;
304	int 		nextstatus;
305	bus_dma_tag_t	dmatag;
306	bus_dmamap_t	dmamap;
307} ips_copper_queue_t;
308
309typedef union {
310   struct {
311      u_int8_t  reserved;
312      u_int8_t  command_id;
313      u_int8_t  basic_status;
314      u_int8_t  extended_status;
315   } fields;
316   volatile u_int32_t    value;
317} ips_cmd_status_t;
318
319/* used to keep track of current commands to the card */
320typedef struct ips_command{
321	u_int8_t		command_number;
322	u_int8_t 		id;
323	u_int8_t		timeout;
324	struct ips_softc *	sc;
325	bus_dmamap_t		command_dmamap;
326	void *			command_buffer;
327	u_int32_t		command_phys_addr;/*WARNING! must be changed if 64bit addressing ever used*/
328	ips_cmd_status_t	status;
329	SLIST_ENTRY(ips_command)	next;
330	bus_dma_tag_t		data_dmatag;
331	bus_dmamap_t		data_dmamap;
332	void *			data_buffer;
333	void * 			arg;
334	void			(* callback)(struct ips_command *command);
335}ips_command_t;
336
337typedef struct ips_wait_list{
338	STAILQ_ENTRY(ips_wait_list) next;
339	void 			*data;
340	int			(* callback)(ips_command_t *command);
341}ips_wait_list_t;
342
343typedef struct ips_softc{
344        struct resource *       iores;
345        struct resource *       irqres;
346        int                     configured;
347        int                     state;
348        int                     iotype;
349        int                     rid;
350        int                     irqrid;
351        void *                  irqcookie;
352        bus_space_tag_t	        bustag;
353	bus_space_handle_t      bushandle;
354	bus_dma_tag_t	        adapter_dmatag;
355	bus_dma_tag_t		command_dmatag;
356	bus_dma_tag_t		sg_dmatag;
357        device_t                dev;
358        dev_t                   device_file;
359	struct callout_handle	timer;
360	ips_adapter_info_t	adapter_info;
361	device_t		diskdev[IPS_MAX_NUM_DRIVES];
362	ips_drive_t		drives[IPS_MAX_NUM_DRIVES];
363	u_int8_t		drivecount;
364	u_int8_t		next_drive;
365	u_int8_t		max_cmds;
366	volatile u_int8_t	used_commands;
367	ips_command_t		commandarray[IPS_MAX_CMD_NUM];
368	SLIST_HEAD(command_list, ips_command) free_cmd_list;
369	STAILQ_HEAD(command_wait_list,ips_wait_list)  cmd_wait_list;
370	int			(* ips_adapter_reinit)(struct ips_softc *sc,
371						       int force);
372        void                    (* ips_adapter_intr)(void *sc);
373	void			(* ips_issue_cmd)(ips_command_t *command);
374	ips_copper_queue_t *	copper_queue;
375	struct mtx		cmd_mtx;
376}ips_softc_t;
377
378/* function defines from ips_ioctl.c */
379extern int ips_ioctl_request(ips_softc_t *sc, u_long ioctl_cmd, caddr_t addr,
380				int32_t flags);
381/* function defines from ips_disk.c */
382extern void ipsd_finish(struct bio *iobuf);
383
384/* function defines from ips_commands.c */
385extern int ips_flush_cache(ips_softc_t *sc);
386extern void ips_start_io_request(ips_softc_t *sc, struct bio *iobuf);
387extern int ips_get_drive_info(ips_softc_t *sc);
388extern int ips_get_adapter_info(ips_softc_t *sc);
389extern int ips_update_nvram(ips_softc_t *sc);
390extern int ips_clear_adapter(ips_softc_t *sc);
391
392/* function defines from ips.c */
393extern int ips_get_free_cmd(ips_softc_t *sc, int (*callback)(ips_command_t *),
394				void *data, unsigned long flags);
395extern void ips_insert_free_cmd(ips_softc_t *sc, ips_command_t *command);
396extern int ips_adapter_init(ips_softc_t *sc);
397extern int ips_morpheus_reinit(ips_softc_t *sc, int force);
398extern int ips_adapter_free(ips_softc_t *sc);
399extern void ips_morpheus_intr(void *sc);
400extern void ips_issue_morpheus_cmd(ips_command_t *command);
401extern int ips_copperhead_reinit(ips_softc_t *sc, int force);
402extern void ips_copperhead_intr(void *sc);
403extern void ips_issue_copperhead_cmd(ips_command_t *command);
404
405