1/*
2 * Copyright (c) 2010, LSI Corp.
3 * All rights reserved.
4 * Author : Manjunath Ranganathaiah
5 * Support: freebsdraid@lsi.com
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 *
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
15 *    the documentation and/or other materials provided with the
16 *    distribution.
17 * 3. Neither the name of the <ORGANIZATION> nor the names of its
18 *    contributors may be used to endorse or promote products derived
19 *    from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 *
34 * $FreeBSD: releng/10.2/sys/dev/tws/tws_hdm.h 275977 2014-12-21 02:39:10Z smh $
35 */
36
37
38/* bit's defination */
39
40#define TWS_BIT0                              0x00000001
41#define TWS_BIT1                              0x00000002
42#define TWS_BIT2                              0x00000004
43#define TWS_BIT3                              0x00000008
44#define TWS_BIT4                              0x00000010
45#define TWS_BIT5                              0x00000020
46#define TWS_BIT6                              0x00000040
47#define TWS_BIT7                              0x00000080
48#define TWS_BIT8                              0x00000100
49#define TWS_BIT9                              0x00000200
50#define TWS_BIT10                             0x00000400
51#define TWS_BIT11                             0x00000800
52#define TWS_BIT12                             0x00001000
53#define TWS_BIT13                             0x00002000
54#define TWS_BIT14                             0x00004000
55#define TWS_BIT15                             0x00008000
56#define TWS_BIT16                             0x00010000
57#define TWS_BIT17                             0x00020000
58#define TWS_BIT18                             0x00040000
59#define TWS_BIT19                             0x00080000
60#define TWS_BIT20                             0x00100000
61#define TWS_BIT21                             0x00200000
62#define TWS_BIT22                             0x00400000
63#define TWS_BIT23                             0x00800000
64#define TWS_BIT24                             0x01000000
65#define TWS_BIT25                             0x02000000
66#define TWS_BIT26                             0x04000000
67#define TWS_BIT27                             0x08000000
68#define TWS_BIT28                             0x10000000
69#define TWS_BIT29                             0x20000000
70#define TWS_BIT30                             0x40000000
71#define TWS_BIT31                             0x80000000
72
73#define TWS_SENSE_DATA_LENGTH                 18
74#define TWS_ERROR_SPECIFIC_DESC_LEN           98
75
76/* response codes */
77#define TWS_SENSE_SCSI_CURRENT_ERROR          0x70
78#define TWS_SENSE_SCSI_DEFERRED_ERROR         0x71
79
80#define TWS_SRC_CTRL_ERROR                    3
81#define TWS_SRC_CTRL_EVENT                    4
82#define TWS_SRC_FREEBSD_DRIVER                5
83#define TWS_SRC_FREEBSD_OS                    8
84
85
86enum tws_sense_severity {
87    error = 1,
88    warning ,
89    info,
90    debug,
91};
92
93/*
94 * Some errors of interest (in cmd_hdr->status_block.error) when a command
95 * is completed by the firmware with an error.
96 */
97#define TWS_ERROR_LOGICAL_UNIT_NOT_SUPPORTED    0x010a
98#define TWS_ERROR_NOT_SUPPORTED                 0x010D
99#define TWS_ERROR_UNIT_OFFLINE                  0x0128
100#define TWS_ERROR_MORE_DATA                     0x0231
101
102
103/* AEN codes of interest. */
104#define TWS_AEN_QUEUE_EMPTY                     0x00
105#define TWS_AEN_SOFT_RESET                      0x01
106#define TWS_AEN_SYNC_TIME_WITH_HOST             0x31
107
108
109/* AEN severity */
110#define TWS_SEVERITY_ERROR                      0x1
111#define TWS_SEVERITY_WARNING                    0x2
112#define TWS_SEVERITY_INFO                       0x3
113#define TWS_SEVERITY_DEBUG                      0x4
114
115#define TWS_64BIT_SG_ADDRESSES                  0x00000001
116#define TWS_BIT_EXTEND                          0x00000002
117
118#define TWS_BASE_FW_SRL                         24
119#define TWS_BASE_FW_BRANCH                      0
120#define TWS_BASE_FW_BUILD                       1
121#define TWS_CURRENT_FW_SRL                      41
122
123#define TWS_CURRENT_FW_BRANCH                   8
124#define TWS_CURRENT_FW_BUILD                    4
125#define TWS_CURRENT_ARCH_ID                     0x000A
126
127
128#define TWS_FIFO_EMPTY                          0xFFFFFFFFFFFFFFFFull
129#define TWS_FIFO_EMPTY32                        0xFFFFFFFFull
130
131
132/* Register offsets from base address. */
133#define TWS_CONTROL_REGISTER_OFFSET             0x0
134#define TWS_STATUS_REGISTER_OFFSET              0x4
135#define TWS_COMMAND_QUEUE_OFFSET                0x8
136#define TWS_RESPONSE_QUEUE_OFFSET               0xC
137#define TWS_COMMAND_QUEUE_OFFSET_LOW            0x20
138#define TWS_COMMAND_QUEUE_OFFSET_HIGH           0x24
139#define TWS_LARGE_RESPONSE_QUEUE_OFFSET         0x30
140
141/* I2O offsets */
142#define TWS_I2O0_STATUS                         0x0
143
144#define TWS_I2O0_HIBDB                          0x20
145
146#define TWS_I2O0_HISTAT                         0x30
147#define TWS_I2O0_HIMASK                         0x34
148
149#define TWS_I2O0_HIBQP                          0x40
150#define TWS_I2O0_HOBQP                          0x44
151
152#define TWS_I2O0_CTL                            0x74
153
154#define TWS_I2O0_IOBDB                          0x9C
155#define TWS_I2O0_HOBDBC                         0xA0
156
157#define TWS_I2O0_SCRPD3                         0xBC
158
159#define TWS_I2O0_HIBQPL                         0xC0 /* 64bit inb port low */
160#define TWS_I2O0_HIBQPH                         0xC4 /* 64bit inb port high */
161#define TWS_I2O0_HOBQPL                         0xC8 /* 64bit out port low */
162#define TWS_I2O0_HOBQPH                         0xCC /* 64bit out port high */
163
164/* IOP related */
165#define TWS_I2O0_IOPOBQPL                       0xD8 /* OBFL */
166#define TWS_I2O0_IOPOBQPH                       0xDC /* OBFH */
167#define TWS_I2O0_SRC_ADDRH                      0xF8 /* Msg ASA */
168
169#define TWS_MSG_ACC_MASK                        0x20000000
170#define TWS_32BIT_MASK                          0xFFFFFFFF
171
172/* revisit */
173#define TWS_FW_CMD_NOP                     0x0
174#define TWS_FW_CMD_INIT_CONNECTION         0x01
175#define TWS_FW_CMD_EXECUTE_SCSI            0x10
176
177#define TWS_FW_CMD_ATA_PASSTHROUGH         0x11 // This is really a PASSTHROUGH for both ATA and SCSI commands.
178#define TWS_FW_CMD_GET_PARAM               0x12
179#define TWS_FW_CMD_SET_PARAM               0x13
180
181
182#define BUILD_SGL_OFF__OPCODE(sgl_off, opcode)  \
183        ((sgl_off << 5) & 0xE0) | (opcode & 0x1F)       /* 3:5 */
184
185#define BUILD_RES__OPCODE(res, opcode)          \
186        ((res << 5) & 0xE0) | (opcode & 0x1F)           /* 3:5 */
187
188#define GET_OPCODE(sgl_off__opcode)     \
189        (sgl_off__opcode & 0x1F)                        /* 3:5 */
190
191
192
193/* end revisit */
194
195
196/* Table #'s and id's of parameters of interest in firmware's param table. */
197#define TWS_PARAM_VERSION_TABLE         0x0402
198#define TWS_PARAM_VERSION_FW            3       /* firmware version [16] */
199#define TWS_PARAM_VERSION_BIOS          4       /* BIOSs version [16] */
200#define TWS_PARAM_CTLR_MODEL            8       /* Controller model [16] */
201
202#define TWS_PARAM_CONTROLLER_TABLE      0x0403
203#define TWS_PARAM_CONTROLLER_PORT_COUNT 3       /* number of ports [1] */
204
205#define TWS_PARAM_TIME_TABLE            0x40A
206#define TWS_PARAM_TIME_SCHED_TIME       0x3
207
208#define TWS_PARAM_PHYS_TABLE            0x0001
209#define TWS_PARAM_CONTROLLER_PHYS_COUNT 2       /* number of phys */
210
211#define TWS_9K_PARAM_DESCRIPTOR         0x8000
212
213
214/* ----------- request  ------------- */
215
216
217#pragma pack(1)
218
219struct tws_cmd_init_connect {
220    u_int8_t        res1__opcode;   /* 3:5 */
221    u_int8_t        size;
222    u_int8_t        request_id;
223    u_int8_t        res2;
224    u_int8_t        status;
225    u_int8_t        flags;
226    u_int16_t       message_credits;
227    u_int32_t       features;
228    u_int16_t       fw_srl;
229    u_int16_t       fw_arch_id;
230    u_int16_t       fw_branch;
231    u_int16_t       fw_build;
232    u_int32_t       result;
233};
234
235/* Structure for downloading firmware onto the controller. */
236struct tws_cmd_download_firmware {
237    u_int8_t        sgl_off__opcode;/* 3:5 */
238    u_int8_t        size;
239    u_int8_t        request_id;
240    u_int8_t        unit;
241    u_int8_t        status;
242    u_int8_t        flags;
243    u_int16_t       param;
244    u_int8_t        sgl[1];
245};
246
247/* Structure for hard resetting the controller. */
248struct tws_cmd_reset_firmware {
249    u_int8_t        res1__opcode;   /* 3:5 */
250    u_int8_t        size;
251    u_int8_t        request_id;
252    u_int8_t        unit;
253    u_int8_t        status;
254    u_int8_t        flags;
255    u_int8_t        res2;
256    u_int8_t        param;
257};
258
259
260/* Structure for sending get/set param commands. */
261struct tws_cmd_param {
262    u_int8_t        sgl_off__opcode;/* 3:5 */
263    u_int8_t        size;
264    u_int8_t        request_id;
265    u_int8_t        host_id__unit;  /* 4:4 */
266    u_int8_t        status;
267    u_int8_t        flags;
268    u_int16_t       param_count;
269    u_int8_t        sgl[1];
270};
271
272/* Generic command packet. */
273struct tws_cmd_generic {
274    u_int8_t        sgl_off__opcode;/* 3:5 */
275    u_int8_t        size;
276    u_int8_t        request_id;
277    u_int8_t        host_id__unit;  /* 4:4 */
278    u_int8_t        status;
279    u_int8_t        flags;
280    u_int16_t       count;  /* block cnt, parameter cnt, message credits */
281};
282
283
284
285
286/* Command packet header. */
287struct tws_command_header {
288    u_int8_t        sense_data[TWS_SENSE_DATA_LENGTH];
289    struct { /* status block - additional sense data */
290        u_int16_t       srcnum;
291        u_int8_t        reserved;
292        u_int8_t        status;
293        u_int16_t       error;
294        u_int8_t        res__srcid;     /* 4:4 */
295        u_int8_t        res__severity;  /* 5:3 */
296    } status_block;
297    u_int8_t        err_specific_desc[TWS_ERROR_SPECIFIC_DESC_LEN];
298    struct { /* sense buffer descriptor */
299        u_int8_t        size_header;
300        u_int16_t       request_id;
301        u_int8_t        size_sense;
302    } header_desc;
303};
304
305/* Command - 1024 byte size including header (128+24+896)*/
306union tws_command_giga {
307    struct tws_cmd_init_connect       init_connect;
308    struct tws_cmd_download_firmware  download_fw;
309    struct tws_cmd_reset_firmware     reset_fw;
310    struct tws_cmd_param              param;
311    struct tws_cmd_generic            generic;
312    u_int8_t        padding[1024 - sizeof(struct tws_command_header)];
313};
314
315/* driver command pkt - 1024 byte size including header(128+24+744+128) */
316/* h/w & f/w supported command size excluding header 768 */
317struct tws_command_apache {
318    u_int8_t        res__opcode;    /* 3:5 */
319    u_int8_t        unit;
320    u_int16_t       lun_l4__req_id; /* 4:12 */
321    u_int8_t        status;
322    u_int8_t        sgl_offset;     /* offset (in bytes) to sg_list,
323                                     from the end of sgl_entries */
324    u_int16_t       lun_h4__sgl_entries;
325    u_int8_t        cdb[16];
326    u_int8_t        sg_list[744];   /* 768 - 24 */
327    u_int8_t        padding[128];   /* make it 1024 bytes */
328};
329
330struct tws_command_packet {
331    struct tws_command_header hdr;
332    union {
333        union tws_command_giga pkt_g;
334        struct tws_command_apache pkt_a;
335    } cmd;
336};
337
338/* Structure describing payload for get/set param commands. */
339struct tws_getset_param {
340    u_int16_t       table_id;
341    u_int8_t        parameter_id;
342    u_int8_t        reserved;
343    u_int16_t       parameter_size_bytes;
344    u_int16_t       parameter_actual_size_bytes;
345    u_int8_t        data[1];
346};
347
348struct tws_outbound_response {
349    u_int32_t     not_mfa   :1;   /* 1 if the structure is valid else MFA */
350    u_int32_t     reserved  :7;   /* reserved bits */
351    u_int32_t     status    :8;   /* should be 0 */
352    u_int32_t     request_id:16;  /* request id */
353};
354
355
356/* Scatter/Gather list entry with 32 bit addresses. */
357struct tws_sg_desc32 {
358    u_int32_t     address;
359    u_int32_t     length  :24;
360    u_int32_t     flag    :8;
361};
362
363/* Scatter/Gather list entry with 64 bit addresses. */
364struct tws_sg_desc64 {
365    u_int64_t     address;
366    u_int64_t     length   :32;
367    u_int64_t     reserved :24;
368    u_int64_t     flag     :8;
369};
370
371/*
372 * Packet that describes an AEN/error generated by the controller,
373 * shared with user
374 */
375struct tws_event_packet {
376    u_int32_t       sequence_id;
377    u_int32_t       time_stamp_sec;
378    u_int16_t       aen_code;
379    u_int8_t        severity;
380    u_int8_t        retrieved;
381    u_int8_t        repeat_count;
382    u_int8_t        parameter_len;
383    u_int8_t        parameter_data[TWS_ERROR_SPECIFIC_DESC_LEN];
384    u_int32_t       event_src;
385    u_int8_t        severity_str[20];
386};
387
388
389
390#pragma pack()
391
392struct tws_sense {
393    struct tws_command_header *hdr;
394    u_int64_t  hdr_pkt_phy;
395};
396
397struct tws_request {
398    struct tws_command_packet *cmd_pkt; /* command pkt */
399    u_int64_t    cmd_pkt_phy;    /* cmd pkt physical address */
400    void         *data;          /* ptr to data being passed to fw */
401    u_int32_t    length;         /* length of data being passed to fw */
402
403    u_int32_t    state;          /* request state */
404    u_int32_t    type;           /* request type */
405    u_int32_t    flags;          /* request flags */
406
407    u_int32_t    error_code;     /* error during request processing */
408
409    u_int32_t    request_id;     /* request id for tracking with fw */
410    void         (*cb)(struct tws_request *);      /* callback func */
411    bus_dmamap_t dma_map;        /* dma map */
412    union ccb    *ccb_ptr;       /* pointer to ccb */
413    struct callout timeout;	 /* request timeout timer */
414    struct tws_softc *sc;        /* pointer back to ctlr softc */
415
416    struct tws_request *next;    /* pointer to next request */
417    struct tws_request *prev;    /* pointer to prev request */
418};
419
420
421