/drivers/scsi/megaraid/megaraid_mbox.h
C Header | 238 lines | 116 code | 43 blank | 79 comment | 0 complexity | 00d6e4bebc4054e704cee26c085c7a82 MD5 | raw file
Possible License(s): CC-BY-SA-3.0, GPL-2.0, LGPL-2.0, AGPL-1.0
1/*
2 *
3 * Linux MegaRAID device driver
4 *
5 * Copyright (c) 2003-2004 LSI Logic Corporation.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 *
12 * FILE : megaraid_mbox.h
13 */
14
15#ifndef _MEGARAID_H_
16#define _MEGARAID_H_
17
18
19#include "mega_common.h"
20#include "mbox_defs.h"
21#include "megaraid_ioctl.h"
22
23
24#define MEGARAID_VERSION "2.20.5.1"
25#define MEGARAID_EXT_VERSION "(Release Date: Thu Nov 16 15:32:35 EST 2006)"
26
27
28/*
29 * Define some PCI values here until they are put in the kernel
30 */
31#define PCI_DEVICE_ID_PERC4_DI_DISCOVERY 0x000E
32#define PCI_SUBSYS_ID_PERC4_DI_DISCOVERY 0x0123
33
34#define PCI_DEVICE_ID_PERC4_SC 0x1960
35#define PCI_SUBSYS_ID_PERC4_SC 0x0520
36
37#define PCI_DEVICE_ID_PERC4_DC 0x1960
38#define PCI_SUBSYS_ID_PERC4_DC 0x0518
39
40#define PCI_DEVICE_ID_VERDE 0x0407
41
42#define PCI_DEVICE_ID_PERC4_DI_EVERGLADES 0x000F
43#define PCI_SUBSYS_ID_PERC4_DI_EVERGLADES 0x014A
44
45#define PCI_DEVICE_ID_PERC4E_SI_BIGBEND 0x0013
46#define PCI_SUBSYS_ID_PERC4E_SI_BIGBEND 0x016c
47
48#define PCI_DEVICE_ID_PERC4E_DI_KOBUK 0x0013
49#define PCI_SUBSYS_ID_PERC4E_DI_KOBUK 0x016d
50
51#define PCI_DEVICE_ID_PERC4E_DI_CORVETTE 0x0013
52#define PCI_SUBSYS_ID_PERC4E_DI_CORVETTE 0x016e
53
54#define PCI_DEVICE_ID_PERC4E_DI_EXPEDITION 0x0013
55#define PCI_SUBSYS_ID_PERC4E_DI_EXPEDITION 0x016f
56
57#define PCI_DEVICE_ID_PERC4E_DI_GUADALUPE 0x0013
58#define PCI_SUBSYS_ID_PERC4E_DI_GUADALUPE 0x0170
59
60#define PCI_DEVICE_ID_DOBSON 0x0408
61
62#define PCI_DEVICE_ID_MEGARAID_SCSI_320_0 0x1960
63#define PCI_SUBSYS_ID_MEGARAID_SCSI_320_0 0xA520
64
65#define PCI_DEVICE_ID_MEGARAID_SCSI_320_1 0x1960
66#define PCI_SUBSYS_ID_MEGARAID_SCSI_320_1 0x0520
67
68#define PCI_DEVICE_ID_MEGARAID_SCSI_320_2 0x1960
69#define PCI_SUBSYS_ID_MEGARAID_SCSI_320_2 0x0518
70
71#define PCI_DEVICE_ID_MEGARAID_I4_133_RAID 0x1960
72#define PCI_SUBSYS_ID_MEGARAID_I4_133_RAID 0x0522
73
74#define PCI_DEVICE_ID_MEGARAID_SATA_150_4 0x1960
75#define PCI_SUBSYS_ID_MEGARAID_SATA_150_4 0x4523
76
77#define PCI_DEVICE_ID_MEGARAID_SATA_150_6 0x1960
78#define PCI_SUBSYS_ID_MEGARAID_SATA_150_6 0x0523
79
80#define PCI_DEVICE_ID_LINDSAY 0x0409
81
82#define PCI_DEVICE_ID_INTEL_RAID_SRCS16 0x1960
83#define PCI_SUBSYS_ID_INTEL_RAID_SRCS16 0x0523
84
85#define PCI_DEVICE_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK 0x1960
86#define PCI_SUBSYS_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK 0x0520
87
88#define PCI_SUBSYS_ID_PERC3_QC 0x0471
89#define PCI_SUBSYS_ID_PERC3_DC 0x0493
90#define PCI_SUBSYS_ID_PERC3_SC 0x0475
91#define PCI_SUBSYS_ID_CERC_ATA100_4CH 0x0511
92
93
94#define MBOX_MAX_SCSI_CMDS 128 // number of cmds reserved for kernel
95#define MBOX_MAX_USER_CMDS 32 // number of cmds for applications
96#define MBOX_DEF_CMD_PER_LUN 64 // default commands per lun
97#define MBOX_DEFAULT_SG_SIZE 26 // default sg size supported by all fw
98#define MBOX_MAX_SG_SIZE 32 // maximum scatter-gather list size
99#define MBOX_MAX_SECTORS 128 // maximum sectors per IO
100#define MBOX_TIMEOUT 30 // timeout value for internal cmds
101#define MBOX_BUSY_WAIT 10 // max usec to wait for busy mailbox
102#define MBOX_RESET_WAIT 180 // wait these many seconds in reset
103#define MBOX_RESET_EXT_WAIT 120 // extended wait reset
104#define MBOX_SYNC_WAIT_CNT 0xFFFF // wait loop index for synchronous mode
105
106#define MBOX_SYNC_DELAY_200 200 // 200 micro-seconds
107
108/*
109 * maximum transfer that can happen through the firmware commands issued
110 * internnaly from the driver.
111 */
112#define MBOX_IBUF_SIZE 4096
113
114
115/**
116 * mbox_ccb_t - command control block specific to mailbox based controllers
117 * @raw_mbox : raw mailbox pointer
118 * @mbox : mailbox
119 * @mbox64 : extended mailbox
120 * @mbox_dma_h : maibox dma address
121 * @sgl64 : 64-bit scatter-gather list
122 * @sgl32 : 32-bit scatter-gather list
123 * @sgl_dma_h : dma handle for the scatter-gather list
124 * @pthru : passthru structure
125 * @pthru_dma_h : dma handle for the passthru structure
126 * @epthru : extended passthru structure
127 * @epthru_dma_h : dma handle for extended passthru structure
128 * @buf_dma_h : dma handle for buffers w/o sg list
129 *
130 * command control block specific to the mailbox based controllers
131 */
132typedef struct {
133 uint8_t *raw_mbox;
134 mbox_t *mbox;
135 mbox64_t *mbox64;
136 dma_addr_t mbox_dma_h;
137 mbox_sgl64 *sgl64;
138 mbox_sgl32 *sgl32;
139 dma_addr_t sgl_dma_h;
140 mraid_passthru_t *pthru;
141 dma_addr_t pthru_dma_h;
142 mraid_epassthru_t *epthru;
143 dma_addr_t epthru_dma_h;
144 dma_addr_t buf_dma_h;
145} mbox_ccb_t;
146
147
148/**
149 * mraid_device_t - adapter soft state structure for mailbox controllers
150 * @una_mbox64 : 64-bit mbox - unaligned
151 * @una_mbox64_dma : mbox dma addr - unaligned
152 * @mbox : 32-bit mbox - aligned
153 * @mbox64 : 64-bit mbox - aligned
154 * @mbox_dma : mbox dma addr - aligned
155 * @mailbox_lock : exclusion lock for the mailbox
156 * @baseport : base port of hba memory
157 * @baseaddr : mapped addr of hba memory
158 * @mbox_pool : pool of mailboxes
159 * @mbox_pool_handle : handle for the mailbox pool memory
160 * @epthru_pool : a pool for extended passthru commands
161 * @epthru_pool_handle : handle to the pool above
162 * @sg_pool : pool of scatter-gather lists for this driver
163 * @sg_pool_handle : handle to the pool above
164 * @ccb_list : list of our command control blocks
165 * @uccb_list : list of cmd control blocks for mgmt module
166 * @umbox64 : array of mailbox for user commands (cmm)
167 * @pdrv_state : array for state of each physical drive.
168 * @last_disp : flag used to show device scanning
169 * @hw_error : set if FW not responding
170 * @fast_load : If set, skip physical device scanning
171 * @channel_class : channel class, RAID or SCSI
172 * @sysfs_mtx : mutex to serialize access to sysfs res.
173 * @sysfs_uioc : management packet to issue FW calls from sysfs
174 * @sysfs_mbox64 : mailbox packet to issue FW calls from sysfs
175 * @sysfs_buffer : data buffer for FW commands issued from sysfs
176 * @sysfs_buffer_dma : DMA buffer for FW commands issued from sysfs
177 * @sysfs_wait_q : wait queue for sysfs operations
178 * @random_del_supported : set if the random deletion is supported
179 * @curr_ldmap : current LDID map
180 *
181 * Initialization structure for mailbox controllers: memory based and IO based
182 * All the fields in this structure are LLD specific and may be discovered at
183 * init() or start() time.
184 *
185 * NOTE: The fields of this structures are placed to minimize cache misses
186 */
187#define MAX_LD_EXTENDED64 64
188typedef struct {
189 mbox64_t *una_mbox64;
190 dma_addr_t una_mbox64_dma;
191 mbox_t *mbox;
192 mbox64_t *mbox64;
193 dma_addr_t mbox_dma;
194 spinlock_t mailbox_lock;
195 unsigned long baseport;
196 void __iomem * baseaddr;
197 struct mraid_pci_blk mbox_pool[MBOX_MAX_SCSI_CMDS];
198 struct dma_pool *mbox_pool_handle;
199 struct mraid_pci_blk epthru_pool[MBOX_MAX_SCSI_CMDS];
200 struct dma_pool *epthru_pool_handle;
201 struct mraid_pci_blk sg_pool[MBOX_MAX_SCSI_CMDS];
202 struct dma_pool *sg_pool_handle;
203 mbox_ccb_t ccb_list[MBOX_MAX_SCSI_CMDS];
204 mbox_ccb_t uccb_list[MBOX_MAX_USER_CMDS];
205 mbox64_t umbox64[MBOX_MAX_USER_CMDS];
206
207 uint8_t pdrv_state[MBOX_MAX_PHYSICAL_DRIVES];
208 uint32_t last_disp;
209 int hw_error;
210 int fast_load;
211 uint8_t channel_class;
212 struct mutex sysfs_mtx;
213 uioc_t *sysfs_uioc;
214 mbox64_t *sysfs_mbox64;
215 caddr_t sysfs_buffer;
216 dma_addr_t sysfs_buffer_dma;
217 wait_queue_head_t sysfs_wait_q;
218 int random_del_supported;
219 uint16_t curr_ldmap[MAX_LD_EXTENDED64];
220} mraid_device_t;
221
222// route to raid device from adapter
223#define ADAP2RAIDDEV(adp) ((mraid_device_t *)((adp)->raid_device))
224
225#define MAILBOX_LOCK(rdev) (&(rdev)->mailbox_lock)
226
227// Find out if this channel is a RAID or SCSI
228#define IS_RAID_CH(rdev, ch) (((rdev)->channel_class >> (ch)) & 0x01)
229
230
231#define RDINDOOR(rdev) readl((rdev)->baseaddr + 0x20)
232#define RDOUTDOOR(rdev) readl((rdev)->baseaddr + 0x2C)
233#define WRINDOOR(rdev, value) writel(value, (rdev)->baseaddr + 0x20)
234#define WROUTDOOR(rdev, value) writel(value, (rdev)->baseaddr + 0x2C)
235
236#endif // _MEGARAID_H_
237
238// vim: set ts=8 sw=8 tw=78: