tw_cl_fwif.h revision 169400
1/*
2 * Copyright (c) 2004-07 Applied Micro Circuits Corporation.
3 * Copyright (c) 2004-05 Vinod Kashyap
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 *	$FreeBSD: head/sys/dev/twa/tw_cl_fwif.h 169400 2007-05-09 04:16:32Z scottl $
28 */
29
30/*
31 * AMCC'S 3ware driver for 9000 series storage controllers.
32 *
33 * Author: Vinod Kashyap
34 * Modifications by: Adam Radford
35 */
36
37
38
39#ifndef TW_CL_FWIF_H
40
41#define TW_CL_FWIF_H
42
43
44/*
45 * Macros and data structures for interfacing with the firmware.
46 */
47
48
49/* Register offsets from base address. */
50#define	TWA_CONTROL_REGISTER_OFFSET		0x0
51#define	TWA_STATUS_REGISTER_OFFSET		0x4
52#define	TWA_COMMAND_QUEUE_OFFSET		0x8
53#define	TWA_RESPONSE_QUEUE_OFFSET		0xC
54#define	TWA_COMMAND_QUEUE_OFFSET_LOW		0x20
55#define	TWA_COMMAND_QUEUE_OFFSET_HIGH		0x24
56#define	TWA_LARGE_RESPONSE_QUEUE_OFFSET		0x30
57
58
59/* Control register bit definitions. */
60#define TWA_CONTROL_ISSUE_HOST_INTERRUPT	0x00000020
61#define TWA_CONTROL_DISABLE_INTERRUPTS		0x00000040
62#define TWA_CONTROL_ENABLE_INTERRUPTS		0x00000080
63#define TWA_CONTROL_ISSUE_SOFT_RESET		0x00000100
64#define TWA_CONTROL_UNMASK_RESPONSE_INTERRUPT	0x00004000
65#define TWA_CONTROL_UNMASK_COMMAND_INTERRUPT	0x00008000
66#define TWA_CONTROL_MASK_RESPONSE_INTERRUPT	0x00010000
67#define TWA_CONTROL_MASK_COMMAND_INTERRUPT	0x00020000
68#define TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT	0x00040000
69#define TWA_CONTROL_CLEAR_HOST_INTERRUPT	0x00080000
70#define TWA_CONTROL_CLEAR_PCI_ABORT		0x00100000
71#define TWA_CONTROL_CLEAR_QUEUE_ERROR		0x00400000
72#define TWA_CONTROL_CLEAR_PARITY_ERROR		0x00800000
73
74
75/* Status register bit definitions. */
76#define TWA_STATUS_ROM_BIOS_IN_SBUF		0x00000002
77#define TWA_STATUS_COMMAND_QUEUE_EMPTY		0x00001000
78#define TWA_STATUS_MICROCONTROLLER_READY	0x00002000
79#define TWA_STATUS_RESPONSE_QUEUE_EMPTY		0x00004000
80#define TWA_STATUS_COMMAND_QUEUE_FULL		0x00008000
81#define TWA_STATUS_RESPONSE_INTERRUPT		0x00010000
82#define TWA_STATUS_COMMAND_INTERRUPT		0x00020000
83#define TWA_STATUS_ATTENTION_INTERRUPT		0x00040000
84#define TWA_STATUS_HOST_INTERRUPT		0x00080000
85#define TWA_STATUS_PCI_ABORT_INTERRUPT		0x00100000
86#define TWA_STATUS_MICROCONTROLLER_ERROR	0x00200000
87#define TWA_STATUS_QUEUE_ERROR_INTERRUPT	0x00400000
88#define TWA_STATUS_PCI_PARITY_ERROR_INTERRUPT	0x00800000
89#define TWA_STATUS_MINOR_VERSION_MASK		0x0F000000
90#define TWA_STATUS_MAJOR_VERSION_MASK		0xF0000000
91
92#define TWA_STATUS_EXPECTED_BITS		0x00002000
93#define TWA_STATUS_UNEXPECTED_BITS		0x00F00000
94
95
96/* PCI related defines. */
97#define TWA_IO_CONFIG_REG			0x10
98
99#define TWA_PCI_CONFIG_CLEAR_PARITY_ERROR	0xc100
100#define TWA_PCI_CONFIG_CLEAR_PCI_ABORT		0x2000
101
102#define TWA_RESET_PHASE1_NOTIFICATION_RESPONSE	0xFFFF
103#define TWA_RESET_PHASE1_WAIT_TIME_MS		500
104
105
106/* Command packet opcodes. */
107#define TWA_FW_CMD_NOP				0x00
108#define TWA_FW_CMD_INIT_CONNECTION		0x01
109#define TWA_FW_CMD_READ				0x02
110#define TWA_FW_CMD_WRITE			0x03
111#define TWA_FW_CMD_READVERIFY			0x04
112#define TWA_FW_CMD_VERIFY			0x05
113#define TWA_FW_CMD_ZEROUNIT			0x08
114#define TWA_FW_CMD_REPLACEUNIT			0x09
115#define TWA_FW_CMD_HOTSWAP			0x0A
116#define TWA_FW_CMD_SELFTESTS			0x0B
117#define TWA_FW_CMD_SYNC_PARAM			0x0C
118#define TWA_FW_CMD_REORDER_UNITS		0x0D
119
120#define TWA_FW_CMD_EXECUTE_SCSI			0x10
121#define TWA_FW_CMD_ATA_PASSTHROUGH		0x11
122#define TWA_FW_CMD_GET_PARAM			0x12
123#define TWA_FW_CMD_SET_PARAM			0x13
124#define TWA_FW_CMD_CREATEUNIT			0x14
125#define TWA_FW_CMD_DELETEUNIT			0x15
126#define TWA_FW_CMD_DOWNLOAD_FIRMWARE		0x16
127#define TWA_FW_CMD_REBUILDUNIT			0x17
128#define TWA_FW_CMD_POWER_MANAGEMENT		0x18
129
130#define TWA_FW_CMD_REMOTE_PRINT			0x1B
131#define TWA_FW_CMD_HARD_RESET_FIRMWARE		0x1C
132#define TWA_FW_CMD_DEBUG			0x1D
133
134#define TWA_FW_CMD_DIAGNOSTICS			0x1F
135
136
137/* Misc defines. */
138#define TWA_SHUTDOWN_MESSAGE_CREDITS	0x001
139#define TWA_64BIT_SG_ADDRESSES		0x00000001
140#define TWA_EXTENDED_INIT_CONNECT	0x00000002
141#define TWA_BASE_MODE			1
142#define TWA_BASE_FW_SRL			24
143#define TWA_BASE_FW_BRANCH		0
144#define TWA_BASE_FW_BUILD		1
145#define TWA_CURRENT_FW_SRL		30
146#define TWA_CURRENT_FW_BRANCH_9K	4
147#define TWA_CURRENT_FW_BUILD_9K		8
148#define TWA_CURRENT_FW_BRANCH_9K_X	8
149#define TWA_CURRENT_FW_BUILD_9K_X	4
150#define TWA_MULTI_LUN_FW_SRL		28
151#define TWA_ARCH_ID_9K			0x5	/* 9000 PCI controllers */
152#define TWA_ARCH_ID_9K_X		0x6	/* 9000 PCI-X controllers */
153#define TWA_CTLR_FW_SAME_OR_NEWER	0x00000001
154#define TWA_CTLR_FW_COMPATIBLE		0x00000002
155#define TWA_SENSE_DATA_LENGTH		18
156
157
158#define TWA_ARCH_ID(device_id)						\
159	(((device_id) == TW_CL_DEVICE_ID_9K) ? TWA_ARCH_ID_9K :		\
160	TWA_ARCH_ID_9K_X)
161#define TWA_CURRENT_FW_BRANCH(arch_id)					\
162	(((arch_id) == TWA_ARCH_ID_9K) ? TWA_CURRENT_FW_BRANCH_9K :	\
163	TWA_CURRENT_FW_BRANCH_9K_X)
164#define TWA_CURRENT_FW_BUILD(arch_id)					\
165	(((arch_id) == TWA_ARCH_ID_9K) ? TWA_CURRENT_FW_BUILD_9K :	\
166	TWA_CURRENT_FW_BUILD_9K_X)
167
168/*
169 * All SG addresses and DMA'able memory allocated by the OSL should be
170 * TWA_ALIGNMENT bytes aligned, and have a size that is a multiple of
171 * TWA_SG_ELEMENT_SIZE_FACTOR.
172 */
173#define TWA_ALIGNMENT(device_id)			0x4
174#define TWA_SG_ELEMENT_SIZE_FACTOR(device_id)		\
175	(((device_id) == TW_CL_DEVICE_ID_9K) ? 512 : 4)
176
177
178/*
179 * Some errors of interest (in cmd_hdr->status_block.error) when a command
180 * is completed by the firmware with a bad status.
181 */
182#define TWA_ERROR_LOGICAL_UNIT_NOT_SUPPORTED	0x010a
183#define TWA_ERROR_UNIT_OFFLINE			0x0128
184#define TWA_ERROR_MORE_DATA			0x0231
185
186
187/* AEN codes of interest. */
188#define TWA_AEN_QUEUE_EMPTY		0x00
189#define TWA_AEN_SOFT_RESET		0x01
190#define TWA_AEN_SYNC_TIME_WITH_HOST	0x31
191
192
193/* Table #'s and id's of parameters of interest in firmware's param table. */
194#define TWA_PARAM_VERSION_TABLE		0x0402
195#define TWA_PARAM_VERSION_FW		3	/* firmware version [16] */
196#define TWA_PARAM_VERSION_BIOS		4	/* BIOSs version [16] */
197#define TWA_PARAM_CTLR_MODEL		8	/* Controller model [16] */
198
199#define TWA_PARAM_CONTROLLER_TABLE	0x0403
200#define TWA_PARAM_CONTROLLER_PORT_COUNT	3	/* number of ports [1] */
201
202#define TWA_PARAM_TIME_TABLE		0x40A
203#define TWA_PARAM_TIME_SCHED_TIME	0x3
204
205#define TWA_9K_PARAM_DESCRIPTOR		0x8000
206
207
208#pragma pack(1)
209/* 7000 structures. */
210struct tw_cl_command_init_connect {
211	TW_UINT8	res1__opcode;	/* 3:5 */
212	TW_UINT8	size;
213	TW_UINT8	request_id;
214	TW_UINT8	res2;
215	TW_UINT8	status;
216	TW_UINT8	flags;
217	TW_UINT16	message_credits;
218	TW_UINT32	features;
219	TW_UINT16	fw_srl;
220	TW_UINT16	fw_arch_id;
221	TW_UINT16	fw_branch;
222	TW_UINT16	fw_build;
223	TW_UINT32	result;
224};
225
226
227/* Structure for downloading firmware onto the controller. */
228struct tw_cl_command_download_firmware {
229	TW_UINT8	sgl_off__opcode;/* 3:5 */
230	TW_UINT8	size;
231	TW_UINT8	request_id;
232	TW_UINT8	unit;
233	TW_UINT8	status;
234	TW_UINT8	flags;
235	TW_UINT16	param;
236	TW_UINT8	sgl[1];
237};
238
239
240/* Structure for hard resetting the controller. */
241struct tw_cl_command_reset_firmware {
242	TW_UINT8	res1__opcode;	/* 3:5 */
243	TW_UINT8	size;
244	TW_UINT8	request_id;
245	TW_UINT8	unit;
246	TW_UINT8	status;
247	TW_UINT8	flags;
248	TW_UINT8	res2;
249	TW_UINT8	param;
250};
251
252
253/* Structure for sending get/set param commands. */
254struct tw_cl_command_param {
255	TW_UINT8	sgl_off__opcode;/* 3:5 */
256	TW_UINT8	size;
257	TW_UINT8	request_id;
258	TW_UINT8	host_id__unit;	/* 4:4 */
259	TW_UINT8	status;
260	TW_UINT8	flags;
261	TW_UINT16	param_count;
262	TW_UINT8	sgl[1];
263};
264
265
266/* Generic command packet. */
267struct tw_cl_command_generic {
268	TW_UINT8	sgl_off__opcode;/* 3:5 */
269	TW_UINT8	size;
270	TW_UINT8	request_id;
271	TW_UINT8	host_id__unit;	/* 4:4 */
272	TW_UINT8	status;
273	TW_UINT8	flags;
274	TW_UINT16	count;	/* block cnt, parameter cnt, message credits */
275};
276
277
278/* Command packet header. */
279struct tw_cl_command_header {
280	TW_UINT8	sense_data[TWA_SENSE_DATA_LENGTH];
281	struct {
282		TW_INT8		reserved[4];
283		TW_UINT16	error;
284		TW_UINT8	padding;
285		TW_UINT8	res__severity;	/* 5:3 */
286	} status_block;
287	TW_UINT8	err_specific_desc[98];
288	struct {
289		TW_UINT8	size_header;
290		TW_UINT16	reserved;
291		TW_UINT8	size_sense;
292	} header_desc;
293};
294
295
296/* 7000 Command packet. */
297union tw_cl_command_7k {
298	struct tw_cl_command_init_connect	init_connect;
299	struct tw_cl_command_download_firmware	download_fw;
300	struct tw_cl_command_reset_firmware	reset_fw;
301	struct tw_cl_command_param		param;
302	struct tw_cl_command_generic		generic;
303	TW_UINT8	padding[1024 - sizeof(struct tw_cl_command_header)];
304};
305
306
307/* 9000 Command Packet. */
308struct tw_cl_command_9k {
309	TW_UINT8	res__opcode;	/* 3:5 */
310	TW_UINT8	unit;
311	TW_UINT16	lun_l4__req_id;	/* 4:12 */
312	TW_UINT8	status;
313	TW_UINT8	sgl_offset; /* offset (in bytes) to sg_list, from the
314					end of sgl_entries */
315	TW_UINT16	lun_h4__sgl_entries;
316	TW_UINT8	cdb[16];
317	TW_UINT8	sg_list[872];/* total struct size =
318					1024-sizeof(cmd_hdr) */
319};
320
321
322/* Full command packet. */
323struct tw_cl_command_packet {
324	struct tw_cl_command_header	cmd_hdr;
325	union {
326		union tw_cl_command_7k	cmd_pkt_7k;
327		struct tw_cl_command_9k cmd_pkt_9k;
328	} command;
329};
330
331
332/* Structure describing payload for get/set param commands. */
333struct tw_cl_param_9k {
334	TW_UINT16	table_id;
335	TW_UINT8	parameter_id;
336	TW_UINT8	reserved;
337	TW_UINT16	parameter_size_bytes;
338	TW_UINT16	parameter_actual_size_bytes;
339	TW_UINT8	data[1];
340};
341#pragma pack()
342
343
344/* Functions to read from, and write to registers */
345#define TW_CLI_WRITE_CONTROL_REGISTER(ctlr_handle, value)		\
346	tw_osl_write_reg(ctlr_handle, TWA_CONTROL_REGISTER_OFFSET, value, 4)
347
348
349#define TW_CLI_READ_STATUS_REGISTER(ctlr_handle)			\
350	tw_osl_read_reg(ctlr_handle, TWA_STATUS_REGISTER_OFFSET, 4)
351
352
353#define TW_CLI_WRITE_COMMAND_QUEUE(ctlr_handle, value)	do {		\
354	if (ctlr->flags & TW_CL_64BIT_ADDRESSES) {			\
355		/* First write the low 4 bytes, then the high 4. */	\
356		tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET_LOW, \
357			(TW_UINT32)(value), 4);				\
358		tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET_HIGH,\
359			(TW_UINT32)(((TW_UINT64)value)>>32), 4);	\
360	} else								\
361		tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET,	\
362					(TW_UINT32)(value), 4);		\
363} while (0)
364
365
366#define TW_CLI_READ_RESPONSE_QUEUE(ctlr_handle)				\
367	tw_osl_read_reg(ctlr_handle, TWA_RESPONSE_QUEUE_OFFSET, 4)
368
369
370#define TW_CLI_READ_LARGE_RESPONSE_QUEUE(ctlr_handle)			\
371	tw_osl_read_reg(ctlr_handle, TWA_LARGE_RESPONSE_QUEUE_OFFSET, 4)
372
373
374#define TW_CLI_SOFT_RESET(ctlr)					\
375	TW_CLI_WRITE_CONTROL_REGISTER(ctlr,			\
376		TWA_CONTROL_ISSUE_SOFT_RESET |			\
377		TWA_CONTROL_CLEAR_HOST_INTERRUPT |		\
378		TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT |		\
379		TWA_CONTROL_MASK_COMMAND_INTERRUPT |		\
380		TWA_CONTROL_MASK_RESPONSE_INTERRUPT |		\
381		TWA_CONTROL_DISABLE_INTERRUPTS)
382
383/* Detect inconsistencies in the status register. */
384#define TW_CLI_STATUS_ERRORS(x)					\
385	((x & TWA_STATUS_UNEXPECTED_BITS) &&			\
386	 (x & TWA_STATUS_MICROCONTROLLER_READY))
387
388
389/*
390 * Functions for making transparent, the bit fields in firmware
391 * interface structures.
392 */
393#define BUILD_SGL_OFF__OPCODE(sgl_off, opcode)	\
394	((sgl_off << 5) & 0xE0) | (opcode & 0x1F)	/* 3:5 */
395
396#define BUILD_RES__OPCODE(res, opcode)		\
397	((res << 5) & 0xE0) | (opcode & 0x1F)		/* 3:5 */
398
399#define BUILD_HOST_ID__UNIT(host_id, unit)	\
400	((host_id << 4) & 0xF0) | (unit & 0xF)		/* 4:4 */
401
402#define BUILD_RES__SEVERITY(res, severity)	\
403	((res << 3) & 0xF8) | (severity & 0x7)		/* 5:3 */
404
405#define BUILD_LUN_L4__REQ_ID(lun, req_id)	\
406	(((lun << 12) & 0xF000) | (req_id & 0xFFF))	/* 4:12 */
407
408#define BUILD_LUN_H4__SGL_ENTRIES(lun, sgl_entries)	\
409	(((lun << 8) & 0xF000) | (sgl_entries & 0xFFF))	/* 4:12 */
410
411
412#define GET_OPCODE(sgl_off__opcode)	\
413	(sgl_off__opcode & 0x1F)		/* 3:5 */
414
415#define GET_SGL_OFF(sgl_off__opcode)	\
416	((sgl_off__opcode >> 5) & 0x7)		/* 3:5 */
417
418#define GET_UNIT(host_id__unit)		\
419	(host_id__unit & 0xF)			/* 4:4 */
420
421#define GET_HOST_ID(host_id__unit)	\
422	((host_id__unit >> 4) & 0xF)		/* 4:4 */
423
424#define GET_SEVERITY(res__severity)	\
425	(res__severity & 0x7)			/* 5:3 */
426
427#define GET_RESP_ID(undef2__resp_id__undef1)	\
428	((undef2__resp_id__undef1 >> 4) & 0xFF)	/* 20:8:4 */
429
430#define GET_RESP_ID_9K_X(undef2__resp_id)	\
431	((undef2__resp_id) & 0xFFF)		/* 20:12 */
432
433#define GET_LARGE_RESP_ID(misc__large_resp_id)	\
434	((misc__large_resp_id) & 0xFFFF)	/* 16:16 */
435
436#define GET_REQ_ID(lun_l4__req_id)	\
437	(lun_l4__req_id & 0xFFF)		/* 4:12 */
438
439#define GET_LUN_L4(lun_l4__req_id)	\
440	((lun_l4__req_id >> 12) & 0xF)		/* 4:12 */
441
442#define GET_SGL_ENTRIES(lun_h4__sgl_entries)	\
443	(lun_h4__sgl_entries & 0xFFF)		/* 4:12 */
444
445#define GET_LUN_H4(lun_h4__sgl_entries)	\
446	((lun_h4__sgl_entries >> 12) & 0xF)	/* 4:12 */
447
448
449
450#endif /* TW_CL_FWIF_H */
451