tw_cl_fwif.h revision 330897
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2004-07 Applied Micro Circuits Corporation.
5 * Copyright (c) 2004-05 Vinod Kashyap
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: stable/11/sys/dev/twa/tw_cl_fwif.h 330897 2018-03-14 03:19:51Z eadler $
30 */
31
32/*
33 * AMCC'S 3ware driver for 9000 series storage controllers.
34 *
35 * Author: Vinod Kashyap
36 * Modifications by: Adam Radford
37 */
38
39
40
41#ifndef TW_CL_FWIF_H
42
43#define TW_CL_FWIF_H
44
45
46/*
47 * Macros and data structures for interfacing with the firmware.
48 */
49
50
51/* Register offsets from base address. */
52#define	TWA_CONTROL_REGISTER_OFFSET		0x0
53#define	TWA_STATUS_REGISTER_OFFSET		0x4
54#define	TWA_COMMAND_QUEUE_OFFSET		0x8
55#define	TWA_RESPONSE_QUEUE_OFFSET		0xC
56#define	TWA_COMMAND_QUEUE_OFFSET_LOW		0x20
57#define	TWA_COMMAND_QUEUE_OFFSET_HIGH		0x24
58#define	TWA_LARGE_RESPONSE_QUEUE_OFFSET		0x30
59
60
61/* Control register bit definitions. */
62#define TWA_CONTROL_ISSUE_HOST_INTERRUPT	0x00000020
63#define TWA_CONTROL_DISABLE_INTERRUPTS		0x00000040
64#define TWA_CONTROL_ENABLE_INTERRUPTS		0x00000080
65#define TWA_CONTROL_ISSUE_SOFT_RESET		0x00000100
66#define TWA_CONTROL_UNMASK_RESPONSE_INTERRUPT	0x00004000
67#define TWA_CONTROL_UNMASK_COMMAND_INTERRUPT	0x00008000
68#define TWA_CONTROL_MASK_RESPONSE_INTERRUPT	0x00010000
69#define TWA_CONTROL_MASK_COMMAND_INTERRUPT	0x00020000
70#define TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT	0x00040000
71#define TWA_CONTROL_CLEAR_HOST_INTERRUPT	0x00080000
72#define TWA_CONTROL_CLEAR_PCI_ABORT		0x00100000
73#define TWA_CONTROL_CLEAR_QUEUE_ERROR		0x00400000
74#define TWA_CONTROL_CLEAR_PARITY_ERROR		0x00800000
75
76
77/* Status register bit definitions. */
78#define TWA_STATUS_ROM_BIOS_IN_SBUF		0x00000002
79#define TWA_STATUS_COMMAND_QUEUE_EMPTY		0x00001000
80#define TWA_STATUS_MICROCONTROLLER_READY	0x00002000
81#define TWA_STATUS_RESPONSE_QUEUE_EMPTY		0x00004000
82#define TWA_STATUS_COMMAND_QUEUE_FULL		0x00008000
83#define TWA_STATUS_RESPONSE_INTERRUPT		0x00010000
84#define TWA_STATUS_COMMAND_INTERRUPT		0x00020000
85#define TWA_STATUS_ATTENTION_INTERRUPT		0x00040000
86#define TWA_STATUS_HOST_INTERRUPT		0x00080000
87#define TWA_STATUS_PCI_ABORT_INTERRUPT		0x00100000
88#define TWA_STATUS_MICROCONTROLLER_ERROR	0x00200000
89#define TWA_STATUS_QUEUE_ERROR_INTERRUPT	0x00400000
90#define TWA_STATUS_PCI_PARITY_ERROR_INTERRUPT	0x00800000
91#define TWA_STATUS_MINOR_VERSION_MASK		0x0F000000
92#define TWA_STATUS_MAJOR_VERSION_MASK		0xF0000000
93
94#define TWA_STATUS_UNEXPECTED_BITS		0x00D00000
95
96
97/* PCI related defines. */
98#define TWA_IO_CONFIG_REG			0x10
99
100#define TWA_PCI_CONFIG_CLEAR_PARITY_ERROR	0xc100
101#define TWA_PCI_CONFIG_CLEAR_PCI_ABORT		0x2000
102
103#define TWA_RESET_PHASE1_NOTIFICATION_RESPONSE	0xFFFF
104#define TWA_RESET_PHASE1_WAIT_TIME_MS		500
105
106
107/* Command packet opcodes. */
108#define TWA_FW_CMD_NOP				0x00
109#define TWA_FW_CMD_INIT_CONNECTION		0x01
110#define TWA_FW_CMD_READ				0x02
111#define TWA_FW_CMD_WRITE			0x03
112#define TWA_FW_CMD_READVERIFY			0x04
113#define TWA_FW_CMD_VERIFY			0x05
114#define TWA_FW_CMD_ZEROUNIT			0x08
115#define TWA_FW_CMD_REPLACEUNIT			0x09
116#define TWA_FW_CMD_HOTSWAP			0x0A
117#define TWA_FW_CMD_SELFTESTS			0x0B
118#define TWA_FW_CMD_SYNC_PARAM			0x0C
119#define TWA_FW_CMD_REORDER_UNITS		0x0D
120
121#define TWA_FW_CMD_EXECUTE_SCSI			0x10
122#define TWA_FW_CMD_ATA_PASSTHROUGH		0x11
123#define TWA_FW_CMD_GET_PARAM			0x12
124#define TWA_FW_CMD_SET_PARAM			0x13
125#define TWA_FW_CMD_CREATEUNIT			0x14
126#define TWA_FW_CMD_DELETEUNIT			0x15
127#define TWA_FW_CMD_DOWNLOAD_FIRMWARE		0x16
128#define TWA_FW_CMD_REBUILDUNIT			0x17
129#define TWA_FW_CMD_POWER_MANAGEMENT		0x18
130
131#define TWA_FW_CMD_REMOTE_PRINT			0x1B
132#define TWA_FW_CMD_HARD_RESET_FIRMWARE		0x1C
133#define TWA_FW_CMD_DEBUG			0x1D
134
135#define TWA_FW_CMD_DIAGNOSTICS			0x1F
136
137
138/* Misc defines. */
139#define TWA_SHUTDOWN_MESSAGE_CREDITS	0x001
140#define TWA_64BIT_SG_ADDRESSES		0x00000001
141#define TWA_EXTENDED_INIT_CONNECT	0x00000002
142#define TWA_BASE_MODE			1
143#define TWA_BASE_FW_SRL			24
144#define TWA_BASE_FW_BRANCH		0
145#define TWA_BASE_FW_BUILD		1
146#define TWA_CURRENT_FW_SRL		41
147#define TWA_CURRENT_FW_BRANCH_9K	4
148#define TWA_CURRENT_FW_BUILD_9K		8
149#define TWA_CURRENT_FW_BRANCH_9K_X	8
150#define TWA_CURRENT_FW_BUILD_9K_X	4
151#define TWA_MULTI_LUN_FW_SRL		28
152#define TWA_ARCH_ID_9K			0x5	/* 9000 PCI controllers */
153#define TWA_ARCH_ID_9K_X		0x6	/* 9000 PCI-X controllers */
154#define TWA_CTLR_FW_SAME_OR_NEWER	0x00000001
155#define TWA_CTLR_FW_COMPATIBLE		0x00000002
156#define TWA_SENSE_DATA_LENGTH		18
157
158
159#define TWA_ARCH_ID(device_id)						\
160	(((device_id) == TW_CL_DEVICE_ID_9K) ? TWA_ARCH_ID_9K :		\
161	TWA_ARCH_ID_9K_X)
162#define TWA_CURRENT_FW_BRANCH(arch_id)					\
163	(((arch_id) == TWA_ARCH_ID_9K) ? TWA_CURRENT_FW_BRANCH_9K :	\
164	TWA_CURRENT_FW_BRANCH_9K_X)
165#define TWA_CURRENT_FW_BUILD(arch_id)					\
166	(((arch_id) == TWA_ARCH_ID_9K) ? TWA_CURRENT_FW_BUILD_9K :	\
167	TWA_CURRENT_FW_BUILD_9K_X)
168
169/*
170 * All SG addresses and DMA'able memory allocated by the OSL should be
171 * TWA_ALIGNMENT bytes aligned, and have a size that is a multiple of
172 * TWA_SG_ELEMENT_SIZE_FACTOR.
173 */
174#define TWA_ALIGNMENT(device_id)			0x4
175#define TWA_SG_ELEMENT_SIZE_FACTOR(device_id)		\
176	(((device_id) == TW_CL_DEVICE_ID_9K) ? 512 : 4)
177
178
179/*
180 * Some errors of interest (in cmd_hdr->status_block.error) when a command
181 * is completed by the firmware with a bad status.
182 */
183#define TWA_ERROR_LOGICAL_UNIT_NOT_SUPPORTED	0x010a
184#define TWA_ERROR_UNIT_OFFLINE			0x0128
185#define TWA_ERROR_MORE_DATA			0x0231
186
187
188/* AEN codes of interest. */
189#define TWA_AEN_QUEUE_EMPTY		0x00
190#define TWA_AEN_SOFT_RESET		0x01
191#define TWA_AEN_SYNC_TIME_WITH_HOST	0x31
192
193
194/* Table #'s and id's of parameters of interest in firmware's param table. */
195#define TWA_PARAM_VERSION_TABLE		0x0402
196#define TWA_PARAM_VERSION_FW		3	/* firmware version [16] */
197#define TWA_PARAM_VERSION_BIOS		4	/* BIOSs version [16] */
198#define TWA_PARAM_CTLR_MODEL		8	/* Controller model [16] */
199
200#define TWA_PARAM_CONTROLLER_TABLE	0x0403
201#define TWA_PARAM_CONTROLLER_PORT_COUNT	3	/* number of ports [1] */
202
203#define TWA_PARAM_TIME_TABLE		0x40A
204#define TWA_PARAM_TIME_SCHED_TIME	0x3
205
206#define TWA_9K_PARAM_DESCRIPTOR		0x8000
207
208
209#pragma pack(1)
210/* 7000 structures. */
211struct tw_cl_command_init_connect {
212	TW_UINT8	res1__opcode;	/* 3:5 */
213	TW_UINT8	size;
214	TW_UINT8	request_id;
215	TW_UINT8	res2;
216	TW_UINT8	status;
217	TW_UINT8	flags;
218	TW_UINT16	message_credits;
219	TW_UINT32	features;
220	TW_UINT16	fw_srl;
221	TW_UINT16	fw_arch_id;
222	TW_UINT16	fw_branch;
223	TW_UINT16	fw_build;
224	TW_UINT32	result;
225};
226
227
228/* Structure for downloading firmware onto the controller. */
229struct tw_cl_command_download_firmware {
230	TW_UINT8	sgl_off__opcode;/* 3:5 */
231	TW_UINT8	size;
232	TW_UINT8	request_id;
233	TW_UINT8	unit;
234	TW_UINT8	status;
235	TW_UINT8	flags;
236	TW_UINT16	param;
237	TW_UINT8	sgl[1];
238};
239
240
241/* Structure for hard resetting the controller. */
242struct tw_cl_command_reset_firmware {
243	TW_UINT8	res1__opcode;	/* 3:5 */
244	TW_UINT8	size;
245	TW_UINT8	request_id;
246	TW_UINT8	unit;
247	TW_UINT8	status;
248	TW_UINT8	flags;
249	TW_UINT8	res2;
250	TW_UINT8	param;
251};
252
253
254/* Structure for sending get/set param commands. */
255struct tw_cl_command_param {
256	TW_UINT8	sgl_off__opcode;/* 3:5 */
257	TW_UINT8	size;
258	TW_UINT8	request_id;
259	TW_UINT8	host_id__unit;	/* 4:4 */
260	TW_UINT8	status;
261	TW_UINT8	flags;
262	TW_UINT16	param_count;
263	TW_UINT8	sgl[1];
264};
265
266
267/* Generic command packet. */
268struct tw_cl_command_generic {
269	TW_UINT8	sgl_off__opcode;/* 3:5 */
270	TW_UINT8	size;
271	TW_UINT8	request_id;
272	TW_UINT8	host_id__unit;	/* 4:4 */
273	TW_UINT8	status;
274	TW_UINT8	flags;
275	TW_UINT16	count;	/* block cnt, parameter cnt, message credits */
276};
277
278
279/* Command packet header. */
280struct tw_cl_command_header {
281	TW_UINT8	sense_data[TWA_SENSE_DATA_LENGTH];
282	struct {
283		TW_INT8		reserved[4];
284		TW_UINT16	error;
285		TW_UINT8	padding;
286		TW_UINT8	res__severity;	/* 5:3 */
287	} status_block;
288	TW_UINT8	err_specific_desc[98];
289	struct {
290		TW_UINT8	size_header;
291		TW_UINT16	reserved;
292		TW_UINT8	size_sense;
293	} header_desc;
294};
295
296
297/* 7000 Command packet. */
298union tw_cl_command_7k {
299	struct tw_cl_command_init_connect	init_connect;
300	struct tw_cl_command_download_firmware	download_fw;
301	struct tw_cl_command_reset_firmware	reset_fw;
302	struct tw_cl_command_param		param;
303	struct tw_cl_command_generic		generic;
304	TW_UINT8	padding[1024 - sizeof(struct tw_cl_command_header)];
305};
306
307
308/* 9000 Command Packet. */
309struct tw_cl_command_9k {
310	TW_UINT8	res__opcode;	/* 3:5 */
311	TW_UINT8	unit;
312	TW_UINT16	lun_l4__req_id;	/* 4:12 */
313	TW_UINT8	status;
314	TW_UINT8	sgl_offset; /* offset (in bytes) to sg_list, from the
315					end of sgl_entries */
316	TW_UINT16	lun_h4__sgl_entries;
317	TW_UINT8	cdb[16];
318	TW_UINT8	sg_list[872];/* total struct size =
319					1024-sizeof(cmd_hdr) */
320};
321
322
323/* Full command packet. */
324struct tw_cl_command_packet {
325	struct tw_cl_command_header	cmd_hdr;
326	union {
327		union tw_cl_command_7k	cmd_pkt_7k;
328		struct tw_cl_command_9k cmd_pkt_9k;
329	} command;
330};
331
332
333/* Structure describing payload for get/set param commands. */
334struct tw_cl_param_9k {
335	TW_UINT16	table_id;
336	TW_UINT8	parameter_id;
337	TW_UINT8	reserved;
338	TW_UINT16	parameter_size_bytes;
339	TW_UINT16	parameter_actual_size_bytes;
340	TW_UINT8	data[1];
341};
342#pragma pack()
343
344
345/* Functions to read from, and write to registers */
346#define TW_CLI_WRITE_CONTROL_REGISTER(ctlr_handle, value)		\
347	tw_osl_write_reg(ctlr_handle, TWA_CONTROL_REGISTER_OFFSET, value, 4)
348
349
350#define TW_CLI_READ_STATUS_REGISTER(ctlr_handle)			\
351	tw_osl_read_reg(ctlr_handle, TWA_STATUS_REGISTER_OFFSET, 4)
352
353
354#define TW_CLI_WRITE_COMMAND_QUEUE(ctlr_handle, value)	do {		\
355	if (ctlr->flags & TW_CL_64BIT_ADDRESSES) {			\
356		/* First write the low 4 bytes, then the high 4. */	\
357		tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET_LOW, \
358			(TW_UINT32)(value), 4);				\
359		tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET_HIGH,\
360			(TW_UINT32)(((TW_UINT64)value)>>32), 4);	\
361	} else								\
362		tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET,	\
363					(TW_UINT32)(value), 4);		\
364} while (0)
365
366
367#define TW_CLI_READ_RESPONSE_QUEUE(ctlr_handle)				\
368	tw_osl_read_reg(ctlr_handle, TWA_RESPONSE_QUEUE_OFFSET, 4)
369
370
371#define TW_CLI_READ_LARGE_RESPONSE_QUEUE(ctlr_handle)			\
372	tw_osl_read_reg(ctlr_handle, TWA_LARGE_RESPONSE_QUEUE_OFFSET, 4)
373
374
375#define TW_CLI_SOFT_RESET(ctlr)					\
376	TW_CLI_WRITE_CONTROL_REGISTER(ctlr,			\
377		TWA_CONTROL_ISSUE_SOFT_RESET |			\
378		TWA_CONTROL_CLEAR_HOST_INTERRUPT |		\
379		TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT |		\
380		TWA_CONTROL_MASK_COMMAND_INTERRUPT |		\
381		TWA_CONTROL_MASK_RESPONSE_INTERRUPT |		\
382		TWA_CONTROL_DISABLE_INTERRUPTS)
383
384/* Detect inconsistencies in the status register. */
385#define TW_CLI_STATUS_ERRORS(x)					\
386	((x & TWA_STATUS_UNEXPECTED_BITS) &&			\
387	 (x & TWA_STATUS_MICROCONTROLLER_READY))
388
389
390/*
391 * Functions for making transparent, the bit fields in firmware
392 * interface structures.
393 */
394#define BUILD_SGL_OFF__OPCODE(sgl_off, opcode)	\
395	((sgl_off << 5) & 0xE0) | (opcode & 0x1F)	/* 3:5 */
396
397#define BUILD_RES__OPCODE(res, opcode)		\
398	((res << 5) & 0xE0) | (opcode & 0x1F)		/* 3:5 */
399
400#define BUILD_HOST_ID__UNIT(host_id, unit)	\
401	((host_id << 4) & 0xF0) | (unit & 0xF)		/* 4:4 */
402
403#define BUILD_RES__SEVERITY(res, severity)	\
404	((res << 3) & 0xF8) | (severity & 0x7)		/* 5:3 */
405
406#define BUILD_LUN_L4__REQ_ID(lun, req_id)	\
407	(((lun << 12) & 0xF000) | (req_id & 0xFFF))	/* 4:12 */
408
409#define BUILD_LUN_H4__SGL_ENTRIES(lun, sgl_entries)	\
410	(((lun << 8) & 0xF000) | (sgl_entries & 0xFFF))	/* 4:12 */
411
412
413#define GET_OPCODE(sgl_off__opcode)	\
414	(sgl_off__opcode & 0x1F)		/* 3:5 */
415
416#define GET_SGL_OFF(sgl_off__opcode)	\
417	((sgl_off__opcode >> 5) & 0x7)		/* 3:5 */
418
419#define GET_UNIT(host_id__unit)		\
420	(host_id__unit & 0xF)			/* 4:4 */
421
422#define GET_HOST_ID(host_id__unit)	\
423	((host_id__unit >> 4) & 0xF)		/* 4:4 */
424
425#define GET_SEVERITY(res__severity)	\
426	(res__severity & 0x7)			/* 5:3 */
427
428#define GET_RESP_ID(undef2__resp_id__undef1)	\
429	((undef2__resp_id__undef1 >> 4) & 0xFF)	/* 20:8:4 */
430
431#define GET_RESP_ID_9K_X(undef2__resp_id)	\
432	((undef2__resp_id) & 0xFFF)		/* 20:12 */
433
434#define GET_LARGE_RESP_ID(misc__large_resp_id)	\
435	((misc__large_resp_id) & 0xFFFF)	/* 16:16 */
436
437#define GET_REQ_ID(lun_l4__req_id)	\
438	(lun_l4__req_id & 0xFFF)		/* 4:12 */
439
440#define GET_LUN_L4(lun_l4__req_id)	\
441	((lun_l4__req_id >> 12) & 0xF)		/* 4:12 */
442
443#define GET_SGL_ENTRIES(lun_h4__sgl_entries)	\
444	(lun_h4__sgl_entries & 0xFFF)		/* 4:12 */
445
446#define GET_LUN_H4(lun_h4__sgl_entries)	\
447	((lun_h4__sgl_entries >> 12) & 0xF)	/* 4:12 */
448
449
450
451#endif /* TW_CL_FWIF_H */
452