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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/***************************************************************************
2 dpti.h - description
3 -------------------
4 begin : Thu Sep 7 2000
5 copyright : (C) 2001 by Adaptec
6
7 See Documentation/scsi/dpti.txt for history, notes, license info
8 and credits
9 ***************************************************************************/
10
11/***************************************************************************
12 * *
13 * This program is free software; you can redistribute it and/or modify *
14 * it under the terms of the GNU General Public License as published by *
15 * the Free Software Foundation; either version 2 of the License, or *
16 * (at your option) any later version. *
17 * *
18 ***************************************************************************/
19
20#ifndef _DPT_H
21#define _DPT_H
22
Linus Torvalds1da177e2005-04-16 15:20:36 -070023#define MAX_TO_IOP_MESSAGES (255)
Linus Torvalds1da177e2005-04-16 15:20:36 -070024#define MAX_FROM_IOP_MESSAGES (255)
25
26
27/*
28 * SCSI interface function Prototypes
29 */
30
31static int adpt_detect(struct scsi_host_template * sht);
32static int adpt_queue(struct scsi_cmnd * cmd, void (*cmdcomplete) (struct scsi_cmnd *));
33static int adpt_abort(struct scsi_cmnd * cmd);
34static int adpt_reset(struct scsi_cmnd* cmd);
35static int adpt_release(struct Scsi_Host *host);
36static int adpt_slave_configure(struct scsi_device *);
37
38static const char *adpt_info(struct Scsi_Host *pSHost);
39static int adpt_bios_param(struct scsi_device * sdev, struct block_device *dev,
40 sector_t, int geom[]);
41
42static int adpt_bus_reset(struct scsi_cmnd* cmd);
43static int adpt_device_reset(struct scsi_cmnd* cmd);
44
45
46/*
Christoph Hellwigd0be4a7d2005-10-31 18:31:40 +010047 * struct scsi_host_template (see hosts.h)
Linus Torvalds1da177e2005-04-16 15:20:36 -070048 */
49
50#define DPT_DRIVER_NAME "Adaptec I2O RAID"
51
52#ifndef HOSTS_C
53
54#include "dpt/sys_info.h"
55#include <linux/wait.h>
56#include "dpt/dpti_i2o.h"
57#include "dpt/dpti_ioctl.h"
58
59#define DPT_I2O_VERSION "2.4 Build 5go"
60#define DPT_VERSION 2
61#define DPT_REVISION '4'
62#define DPT_SUBREVISION '5'
63#define DPT_BETA ""
64#define DPT_MONTH 8
65#define DPT_DAY 7
66#define DPT_YEAR (2001-1980)
67
68#define DPT_DRIVER "dpt_i2o"
69#define DPTI_I2O_MAJOR (151)
70#define DPT_ORGANIZATION_ID (0x1B) /* For Private Messages */
71#define DPTI_MAX_HBA (16)
72#define MAX_CHANNEL (5) // Maximum Channel # Supported
73#define MAX_ID (128) // Maximum Target ID Supported
74
75/* Sizes in 4 byte words */
76#define REPLY_FRAME_SIZE (17)
77#define MAX_MESSAGE_SIZE (128)
78#define SG_LIST_ELEMENTS (56)
79
80#define EMPTY_QUEUE 0xffffffff
81#define I2O_INTERRUPT_PENDING_B (0x08)
82
83#define PCI_DPT_VENDOR_ID (0x1044) // DPT PCI Vendor ID
84#define PCI_DPT_DEVICE_ID (0xA501) // DPT PCI I2O Device ID
85#define PCI_DPT_RAPTOR_DEVICE_ID (0xA511)
86
87//#define REBOOT_NOTIFIER 1
88/* Debugging macro from Linux Device Drivers - Rubini */
89#undef PDEBUG
90#ifdef DEBUG
91//TODO add debug level switch
92# define PDEBUG(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args)
93# define PDEBUGV(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args)
94#else
95# define PDEBUG(fmt, args...) /* not debugging: nothing */
96# define PDEBUGV(fmt, args...) /* not debugging: nothing */
97#endif
98
99#define PERROR(fmt, args...) printk(KERN_ERR fmt, ##args)
100#define PWARN(fmt, args...) printk(KERN_WARNING fmt, ##args)
101#define PINFO(fmt, args...) printk(KERN_INFO fmt, ##args)
102#define PCRIT(fmt, args...) printk(KERN_CRIT fmt, ##args)
103
104#define SHUTDOWN_SIGS (sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGTERM))
105
106// Command timeouts
107#define FOREVER (0)
108#define TMOUT_INQUIRY (20)
109#define TMOUT_FLUSH (360/45)
110#define TMOUT_ABORT (30)
111#define TMOUT_SCSI (300)
112#define TMOUT_IOPRESET (360)
113#define TMOUT_GETSTATUS (15)
114#define TMOUT_INITOUTBOUND (15)
115#define TMOUT_LCT (360)
116
117
118#define I2O_SCSI_DEVICE_DSC_MASK 0x00FF
119
120#define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION 0x000A
121
122#define I2O_SCSI_DSC_MASK 0xFF00
123#define I2O_SCSI_DSC_SUCCESS 0x0000
124#define I2O_SCSI_DSC_REQUEST_ABORTED 0x0200
125#define I2O_SCSI_DSC_UNABLE_TO_ABORT 0x0300
126#define I2O_SCSI_DSC_COMPLETE_WITH_ERROR 0x0400
127#define I2O_SCSI_DSC_ADAPTER_BUSY 0x0500
128#define I2O_SCSI_DSC_REQUEST_INVALID 0x0600
129#define I2O_SCSI_DSC_PATH_INVALID 0x0700
130#define I2O_SCSI_DSC_DEVICE_NOT_PRESENT 0x0800
131#define I2O_SCSI_DSC_UNABLE_TO_TERMINATE 0x0900
132#define I2O_SCSI_DSC_SELECTION_TIMEOUT 0x0A00
133#define I2O_SCSI_DSC_COMMAND_TIMEOUT 0x0B00
134#define I2O_SCSI_DSC_MR_MESSAGE_RECEIVED 0x0D00
135#define I2O_SCSI_DSC_SCSI_BUS_RESET 0x0E00
136#define I2O_SCSI_DSC_PARITY_ERROR_FAILURE 0x0F00
137#define I2O_SCSI_DSC_AUTOSENSE_FAILED 0x1000
138#define I2O_SCSI_DSC_NO_ADAPTER 0x1100
139#define I2O_SCSI_DSC_DATA_OVERRUN 0x1200
140#define I2O_SCSI_DSC_UNEXPECTED_BUS_FREE 0x1300
141#define I2O_SCSI_DSC_SEQUENCE_FAILURE 0x1400
142#define I2O_SCSI_DSC_REQUEST_LENGTH_ERROR 0x1500
143#define I2O_SCSI_DSC_PROVIDE_FAILURE 0x1600
144#define I2O_SCSI_DSC_BDR_MESSAGE_SENT 0x1700
145#define I2O_SCSI_DSC_REQUEST_TERMINATED 0x1800
146#define I2O_SCSI_DSC_IDE_MESSAGE_SENT 0x3300
147#define I2O_SCSI_DSC_RESOURCE_UNAVAILABLE 0x3400
148#define I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT 0x3500
149#define I2O_SCSI_DSC_MESSAGE_RECEIVED 0x3600
150#define I2O_SCSI_DSC_INVALID_CDB 0x3700
151#define I2O_SCSI_DSC_LUN_INVALID 0x3800
152#define I2O_SCSI_DSC_SCSI_TID_INVALID 0x3900
153#define I2O_SCSI_DSC_FUNCTION_UNAVAILABLE 0x3A00
154#define I2O_SCSI_DSC_NO_NEXUS 0x3B00
155#define I2O_SCSI_DSC_SCSI_IID_INVALID 0x3C00
156#define I2O_SCSI_DSC_CDB_RECEIVED 0x3D00
157#define I2O_SCSI_DSC_LUN_ALREADY_ENABLED 0x3E00
158#define I2O_SCSI_DSC_BUS_BUSY 0x3F00
159#define I2O_SCSI_DSC_QUEUE_FROZEN 0x4000
160
161
162#ifndef TRUE
163#define TRUE 1
164#define FALSE 0
165#endif
166
167#define HBA_FLAGS_INSTALLED_B 0x00000001 // Adapter Was Installed
168#define HBA_FLAGS_BLINKLED_B 0x00000002 // Adapter In Blink LED State
169#define HBA_FLAGS_IN_RESET 0x00000040 /* in reset */
170#define HBA_HOSTRESET_FAILED 0x00000080 /* adpt_resethost failed */
171
172
173// Device state flags
174#define DPTI_DEV_ONLINE 0x00
175#define DPTI_DEV_UNSCANNED 0x01
176#define DPTI_DEV_RESET 0x02
177#define DPTI_DEV_OFFLINE 0x04
178
179
180struct adpt_device {
181 struct adpt_device* next_lun;
182 u32 flags;
183 u32 type;
184 u32 capacity;
185 u32 block_size;
186 u8 scsi_channel;
187 u8 scsi_id;
188 u8 scsi_lun;
189 u8 state;
190 u16 tid;
191 struct i2o_device* pI2o_dev;
192 struct scsi_device *pScsi_dev;
193};
194
195struct adpt_channel {
196 struct adpt_device* device[MAX_ID]; /* used as an array of 128 scsi ids */
197 u8 scsi_id;
198 u8 type;
199 u16 tid;
200 u32 state;
201 struct i2o_device* pI2o_dev;
202};
203
204// HBA state flags
205#define DPTI_STATE_RESET (0x01)
206#define DPTI_STATE_IOCTL (0x02)
207
208typedef struct _adpt_hba {
209 struct _adpt_hba *next;
210 struct pci_dev *pDev;
211 struct Scsi_Host *host;
212 u32 state;
213 spinlock_t state_lock;
214 int unit;
215 int host_no; /* SCSI host number */
216 u8 initialized;
217 u8 in_use; /* is the management node open*/
218
219 char name[32];
220 char detail[55];
221
222 void __iomem *base_addr_virt;
223 void __iomem *msg_addr_virt;
224 ulong base_addr_phys;
225 void __iomem *post_port;
226 void __iomem *reply_port;
227 void __iomem *irq_mask;
228 u16 post_count;
229 u32 post_fifo_size;
230 u32 reply_fifo_size;
231 u32* reply_pool;
232 u32 sg_tablesize; // Scatter/Gather List Size.
233 u8 top_scsi_channel;
234 u8 top_scsi_id;
235 u8 top_scsi_lun;
236
237 i2o_status_block* status_block;
238 i2o_hrt* hrt;
239 i2o_lct* lct;
240 uint lct_size;
241 struct i2o_device* devices;
242 struct adpt_channel channel[MAX_CHANNEL];
243 struct proc_dir_entry* proc_entry; /* /proc dir */
244
245 void __iomem *FwDebugBuffer_P; // Virtual Address Of FW Debug Buffer
246 u32 FwDebugBufferSize; // FW Debug Buffer Size In Bytes
247 void __iomem *FwDebugStrLength_P;// Virtual Addr Of FW Debug String Len
248 void __iomem *FwDebugFlags_P; // Virtual Address Of FW Debug Flags
249 void __iomem *FwDebugBLEDflag_P;// Virtual Addr Of FW Debug BLED
250 void __iomem *FwDebugBLEDvalue_P;// Virtual Addr Of FW Debug BLED
251 u32 FwDebugFlags;
252} adpt_hba;
253
254struct sg_simple_element {
255 u32 flag_count;
256 u32 addr_bus;
257};
258
259/*
260 * Function Prototypes
261 */
262
263static void adpt_i2o_sys_shutdown(void);
264static int adpt_init(void);
265static int adpt_i2o_build_sys_table(void);
266static irqreturn_t adpt_isr(int irq, void *dev_id, struct pt_regs *regs);
267#ifdef REBOOT_NOTIFIER
268static int adpt_reboot_event(struct notifier_block *n, ulong code, void *p);
269#endif
270
271static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d);
272static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
273 int group, int field, void *buf, int buflen);
274#ifdef DEBUG
275static const char *adpt_i2o_get_class_name(int class);
276#endif
277static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
278 void *opblk, int oplen, void *resblk, int reslen);
279static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout);
280static int adpt_i2o_lct_get(adpt_hba* pHba);
281static int adpt_i2o_parse_lct(adpt_hba* pHba);
282static int adpt_i2o_activate_hba(adpt_hba* pHba);
283static int adpt_i2o_enable_hba(adpt_hba* pHba);
284static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d);
285static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len);
286static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba);
287static s32 adpt_i2o_status_get(adpt_hba* pHba);
288static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba);
289static s32 adpt_i2o_hrt_get(adpt_hba* pHba);
290static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* dptdevice);
Benoit Boissinot 1c2fb3f2005-04-25 19:46:48 -0700291static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292static s32 adpt_scsi_register(adpt_hba* pHba,struct scsi_host_template * sht);
293static s32 adpt_hba_reset(adpt_hba* pHba);
294static s32 adpt_i2o_reset_hba(adpt_hba* pHba);
295static s32 adpt_rescan(adpt_hba* pHba);
296static s32 adpt_i2o_reparse_lct(adpt_hba* pHba);
297static s32 adpt_send_nop(adpt_hba*pHba,u32 m);
298static void adpt_i2o_delete_hba(adpt_hba* pHba);
299static void adpt_inquiry(adpt_hba* pHba);
300static void adpt_fail_posted_scbs(adpt_hba* pHba);
301static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun);
302static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) ;
303static int adpt_i2o_online_hba(adpt_hba* pHba);
304static void adpt_i2o_post_wait_complete(u32, int);
305static int adpt_i2o_systab_send(adpt_hba* pHba);
306
307static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg);
308static int adpt_open(struct inode *inode, struct file *file);
309static int adpt_close(struct inode *inode, struct file *file);
310
311
312#ifdef UARTDELAY
313static void adpt_delay(int millisec);
314#endif
315
Linus Torvalds1da177e2005-04-16 15:20:36 -0700316#if defined __ia64__
317static void adpt_ia64_info(sysInfo_S* si);
318#endif
319#if defined __sparc__
320static void adpt_sparc_info(sysInfo_S* si);
321#endif
322#if defined __alpha__
323static void adpt_sparc_info(sysInfo_S* si);
324#endif
325#if defined __i386__
326static void adpt_i386_info(sysInfo_S* si);
327#endif
328
329#define PRINT_BUFFER_SIZE 512
330
331#define HBA_FLAGS_DBG_FLAGS_MASK 0xffff0000 // Mask for debug flags
332#define HBA_FLAGS_DBG_KERNEL_PRINT_B 0x00010000 // Kernel Debugger Print
333#define HBA_FLAGS_DBG_FW_PRINT_B 0x00020000 // Firmware Debugger Print
334#define HBA_FLAGS_DBG_FUNCTION_ENTRY_B 0x00040000 // Function Entry Point
335#define HBA_FLAGS_DBG_FUNCTION_EXIT_B 0x00080000 // Function Exit
336#define HBA_FLAGS_DBG_ERROR_B 0x00100000 // Error Conditions
337#define HBA_FLAGS_DBG_INIT_B 0x00200000 // Init Prints
338#define HBA_FLAGS_DBG_OS_COMMANDS_B 0x00400000 // OS Command Info
339#define HBA_FLAGS_DBG_SCAN_B 0x00800000 // Device Scan
340
341#define FW_DEBUG_STR_LENGTH_OFFSET 0
342#define FW_DEBUG_FLAGS_OFFSET 4
343#define FW_DEBUG_BLED_OFFSET 8
344
345#define FW_DEBUG_FLAGS_NO_HEADERS_B 0x01
346#endif /* !HOSTS_C */
347#endif /* _DPT_H */