xref: /linux/drivers/scsi/pm8001/pm8001_defs.h (revision cdc97921de02a0c1a8324afa03e8b3e30a72bbe6)
1 /*
2  * PMC-Sierra 8001/8081/8088/8089 SAS/SATA based host adapters driver
3  *
4  * Copyright (c) 2008-2009 USI Co., Ltd.
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  *    without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  *    substantially similar to the "NO WARRANTY" disclaimer below
15  *    ("Disclaimer") and any redistribution must be conditioned upon
16  *    including a substantially similar Disclaimer requirement for further
17  *    binary redistribution.
18  * 3. Neither the names of the above-listed copyright holders nor the names
19  *    of any contributors may be used to endorse or promote products derived
20  *    from this software without specific prior written permission.
21  *
22  * Alternatively, this software may be distributed under the terms of the
23  * GNU General Public License ("GPL") version 2 as published by the Free
24  * Software Foundation.
25  *
26  * NO WARRANTY
27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
35  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
36  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGES.
38  *
39  */
40 
41 #ifndef _PM8001_DEFS_H_
42 #define _PM8001_DEFS_H_
43 
44 #include <scsi/sas.h>
45 
46 #ifdef __LITTLE_ENDIAN_BITFIELD
47 struct sas_identify_frame_local {
48 	/* Byte 0 */
49 	u8  frame_type:4;
50 	u8  dev_type:3;
51 	u8  _un0:1;
52 
53 	/* Byte 1 */
54 	u8  _un1;
55 
56 	/* Byte 2 */
57 	union {
58 		struct {
59 			u8  _un20:1;
60 			u8  smp_iport:1;
61 			u8  stp_iport:1;
62 			u8  ssp_iport:1;
63 			u8  _un247:4;
64 		};
65 		u8 initiator_bits;
66 	};
67 
68 	/* Byte 3 */
69 	union {
70 		struct {
71 			u8  _un30:1;
72 			u8 smp_tport:1;
73 			u8 stp_tport:1;
74 			u8 ssp_tport:1;
75 			u8 _un347:4;
76 		};
77 		u8 target_bits;
78 	};
79 
80 	/* Byte 4 - 11 */
81 	u8 _un4_11[8];
82 
83 	/* Byte 12 - 19 */
84 	u8 sas_addr[SAS_ADDR_SIZE];
85 
86 	/* Byte 20 */
87 	u8 phy_id;
88 
89 	u8 _un21_27[7];
90 
91 } __packed;
92 
93 #elif defined(__BIG_ENDIAN_BITFIELD)
94 struct sas_identify_frame_local {
95 	/* Byte 0 */
96 	u8  _un0:1;
97 	u8  dev_type:3;
98 	u8  frame_type:4;
99 
100 	/* Byte 1 */
101 	u8  _un1;
102 
103 	/* Byte 2 */
104 	union {
105 		struct {
106 			u8  _un247:4;
107 			u8  ssp_iport:1;
108 			u8  stp_iport:1;
109 			u8  smp_iport:1;
110 			u8  _un20:1;
111 		};
112 		u8 initiator_bits;
113 	};
114 
115 	/* Byte 3 */
116 	union {
117 		struct {
118 			u8 _un347:4;
119 			u8 ssp_tport:1;
120 			u8 stp_tport:1;
121 			u8 smp_tport:1;
122 			u8 _un30:1;
123 		};
124 		u8 target_bits;
125 	};
126 
127 	/* Byte 4 - 11 */
128 	u8 _un4_11[8];
129 
130 	/* Byte 12 - 19 */
131 	u8 sas_addr[SAS_ADDR_SIZE];
132 
133 	/* Byte 20 */
134 	u8 phy_id;
135 
136 	u8 _un21_27[7];
137 } __packed;
138 #else
139 #error "Bitfield order not defined!"
140 #endif
141 
142 enum chip_flavors {
143 	chip_8001,
144 	chip_8008,
145 	chip_8009,
146 	chip_8018,
147 	chip_8019,
148 	chip_8074,
149 	chip_8076,
150 	chip_8077,
151 	chip_8006,
152 	chip_8070,
153 	chip_8072
154 };
155 
156 enum phy_speed {
157 	PHY_SPEED_15 = 0x01,
158 	PHY_SPEED_30 = 0x02,
159 	PHY_SPEED_60 = 0x04,
160 	PHY_SPEED_120 = 0x08,
161 };
162 
163 enum data_direction {
164 	DATA_DIR_NONE = 0x0,	/* NO TRANSFER */
165 	DATA_DIR_IN = 0x01,	/* INBOUND */
166 	DATA_DIR_OUT = 0x02,	/* OUTBOUND */
167 	DATA_DIR_BYRECIPIENT = 0x04, /* UNSPECIFIED */
168 };
169 
170 enum port_type {
171 	PORT_TYPE_SAS = (1L << 1),
172 	PORT_TYPE_SATA = (1L << 0),
173 };
174 
175 /* driver compile-time configuration */
176 #define	PM8001_MAX_CCB		 1024	/* max ccbs supported */
177 #define PM8001_MPI_QUEUE         1024   /* maximum mpi queue entries */
178 #define	PM8001_MAX_INB_NUM	 64
179 #define	PM8001_MAX_OUTB_NUM	 64
180 #define	PM8001_CAN_QUEUE	 508	/* SCSI Queue depth */
181 
182 /* Inbound/Outbound queue size */
183 #define IOMB_SIZE_SPC		64
184 #define IOMB_SIZE_SPCV		128
185 
186 /* unchangeable hardware details */
187 #define	PM8001_MAX_PHYS		 16	/* max. possible phys */
188 #define	PM8001_MAX_PORTS	 16	/* max. possible ports */
189 #define	PM8001_MAX_DEVICES	 2048	/* max supported device */
190 #define	PM8001_MAX_MSIX_VEC	 64	/* max msi-x int for spcv/ve */
191 #define	PM8001_RESERVE_SLOT	 128
192 
193 #define PM8001_SECTOR_SIZE	512
194 #define PM8001_PAGE_SIZE_4K	4096
195 #define PM8001_MAX_IO_SIZE	(4 * 1024 * 1024)
196 #define PM8001_MAX_DMA_SG	(PM8001_MAX_IO_SIZE / PM8001_PAGE_SIZE_4K)
197 #define PM8001_MAX_SECTORS	(PM8001_MAX_IO_SIZE / PM8001_SECTOR_SIZE)
198 
199 enum memory_region_num {
200 	AAP1 = 0x0, /* application acceleration processor */
201 	IOP,	    /* IO processor */
202 	NVMD,	    /* NVM device */
203 	FW_FLASH,    /* memory for fw flash update */
204 	FORENSIC_MEM,  /* memory for fw forensic data */
205 	USI_MAX_MEMCNT_BASE
206 };
207 #define	PM8001_EVENT_LOG_SIZE	 (128 * 1024)
208 
209 /**
210  * maximum DMA memory regions(number of IBQ + number of IBQ CI
211  * + number of  OBQ + number of OBQ PI)
212  */
213 #define USI_MAX_MEMCNT	(USI_MAX_MEMCNT_BASE + ((2 * PM8001_MAX_INB_NUM) \
214 			+ (2 * PM8001_MAX_OUTB_NUM)))
215 /*error code*/
216 enum mpi_err {
217 	MPI_IO_STATUS_SUCCESS = 0x0,
218 	MPI_IO_STATUS_BUSY = 0x01,
219 	MPI_IO_STATUS_FAIL = 0x02,
220 };
221 
222 /**
223  * Phy Control constants
224  */
225 enum phy_control_type {
226 	PHY_LINK_RESET = 0x01,
227 	PHY_HARD_RESET = 0x02,
228 	PHY_NOTIFY_ENABLE_SPINUP = 0x10,
229 };
230 
231 enum pm8001_hba_info_flags {
232 	PM8001F_INIT_TIME	= (1U << 0),
233 	PM8001F_RUN_TIME	= (1U << 1),
234 };
235 
236 /**
237  * Phy Status
238  */
239 #define PHY_LINK_DISABLE	0x00
240 #define PHY_LINK_DOWN		0x01
241 #define PHY_STATE_LINK_UP_SPCV	0x2
242 #define PHY_STATE_LINK_UP_SPC	0x1
243 
244 #endif
245