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dpti.h
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1 /***************************************************************************
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 
23 #define MAX_TO_IOP_MESSAGES (255)
24 #define MAX_FROM_IOP_MESSAGES (255)
25 
26 
27 /*
28  * SCSI interface function Prototypes
29  */
30 
31 static int adpt_detect(struct scsi_host_template * sht);
32 static int adpt_queue(struct Scsi_Host *h, struct scsi_cmnd * cmd);
33 static int adpt_abort(struct scsi_cmnd * cmd);
34 static int adpt_reset(struct scsi_cmnd* cmd);
35 static int adpt_release(struct Scsi_Host *host);
36 static int adpt_slave_configure(struct scsi_device *);
37 
38 static const char *adpt_info(struct Scsi_Host *pSHost);
39 static int adpt_bios_param(struct scsi_device * sdev, struct block_device *dev,
40  sector_t, int geom[]);
41 
42 static int adpt_bus_reset(struct scsi_cmnd* cmd);
43 static int adpt_device_reset(struct scsi_cmnd* cmd);
44 
45 
46 /*
47  * struct scsi_host_template (see scsi/scsi_host.h)
48  */
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 /* Debugging macro from Linux Device Drivers - Rubini */
88 #undef PDEBUG
89 #ifdef DEBUG
90 //TODO add debug level switch
91 # define PDEBUG(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args)
92 # define PDEBUGV(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args)
93 #else
94 # define PDEBUG(fmt, args...) /* not debugging: nothing */
95 # define PDEBUGV(fmt, args...) /* not debugging: nothing */
96 #endif
97 
98 #define PERROR(fmt, args...) printk(KERN_ERR fmt, ##args)
99 #define PWARN(fmt, args...) printk(KERN_WARNING fmt, ##args)
100 #define PINFO(fmt, args...) printk(KERN_INFO fmt, ##args)
101 #define PCRIT(fmt, args...) printk(KERN_CRIT fmt, ##args)
102 
103 #define SHUTDOWN_SIGS (sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGTERM))
104 
105 // Command timeouts
106 #define FOREVER (0)
107 #define TMOUT_INQUIRY (20)
108 #define TMOUT_FLUSH (360/45)
109 #define TMOUT_ABORT (30)
110 #define TMOUT_SCSI (300)
111 #define TMOUT_IOPRESET (360)
112 #define TMOUT_GETSTATUS (15)
113 #define TMOUT_INITOUTBOUND (15)
114 #define TMOUT_LCT (360)
115 
116 
117 #define I2O_SCSI_DEVICE_DSC_MASK 0x00FF
118 
119 #define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION 0x000A
120 
121 #define I2O_SCSI_DSC_MASK 0xFF00
122 #define I2O_SCSI_DSC_SUCCESS 0x0000
123 #define I2O_SCSI_DSC_REQUEST_ABORTED 0x0200
124 #define I2O_SCSI_DSC_UNABLE_TO_ABORT 0x0300
125 #define I2O_SCSI_DSC_COMPLETE_WITH_ERROR 0x0400
126 #define I2O_SCSI_DSC_ADAPTER_BUSY 0x0500
127 #define I2O_SCSI_DSC_REQUEST_INVALID 0x0600
128 #define I2O_SCSI_DSC_PATH_INVALID 0x0700
129 #define I2O_SCSI_DSC_DEVICE_NOT_PRESENT 0x0800
130 #define I2O_SCSI_DSC_UNABLE_TO_TERMINATE 0x0900
131 #define I2O_SCSI_DSC_SELECTION_TIMEOUT 0x0A00
132 #define I2O_SCSI_DSC_COMMAND_TIMEOUT 0x0B00
133 #define I2O_SCSI_DSC_MR_MESSAGE_RECEIVED 0x0D00
134 #define I2O_SCSI_DSC_SCSI_BUS_RESET 0x0E00
135 #define I2O_SCSI_DSC_PARITY_ERROR_FAILURE 0x0F00
136 #define I2O_SCSI_DSC_AUTOSENSE_FAILED 0x1000
137 #define I2O_SCSI_DSC_NO_ADAPTER 0x1100
138 #define I2O_SCSI_DSC_DATA_OVERRUN 0x1200
139 #define I2O_SCSI_DSC_UNEXPECTED_BUS_FREE 0x1300
140 #define I2O_SCSI_DSC_SEQUENCE_FAILURE 0x1400
141 #define I2O_SCSI_DSC_REQUEST_LENGTH_ERROR 0x1500
142 #define I2O_SCSI_DSC_PROVIDE_FAILURE 0x1600
143 #define I2O_SCSI_DSC_BDR_MESSAGE_SENT 0x1700
144 #define I2O_SCSI_DSC_REQUEST_TERMINATED 0x1800
145 #define I2O_SCSI_DSC_IDE_MESSAGE_SENT 0x3300
146 #define I2O_SCSI_DSC_RESOURCE_UNAVAILABLE 0x3400
147 #define I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT 0x3500
148 #define I2O_SCSI_DSC_MESSAGE_RECEIVED 0x3600
149 #define I2O_SCSI_DSC_INVALID_CDB 0x3700
150 #define I2O_SCSI_DSC_LUN_INVALID 0x3800
151 #define I2O_SCSI_DSC_SCSI_TID_INVALID 0x3900
152 #define I2O_SCSI_DSC_FUNCTION_UNAVAILABLE 0x3A00
153 #define I2O_SCSI_DSC_NO_NEXUS 0x3B00
154 #define I2O_SCSI_DSC_SCSI_IID_INVALID 0x3C00
155 #define I2O_SCSI_DSC_CDB_RECEIVED 0x3D00
156 #define I2O_SCSI_DSC_LUN_ALREADY_ENABLED 0x3E00
157 #define I2O_SCSI_DSC_BUS_BUSY 0x3F00
158 #define I2O_SCSI_DSC_QUEUE_FROZEN 0x4000
159 
160 
161 #ifndef TRUE
162 #define TRUE 1
163 #define FALSE 0
164 #endif
165 
166 #define HBA_FLAGS_INSTALLED_B 0x00000001 // Adapter Was Installed
167 #define HBA_FLAGS_BLINKLED_B 0x00000002 // Adapter In Blink LED State
168 #define HBA_FLAGS_IN_RESET 0x00000040 /* in reset */
169 #define HBA_HOSTRESET_FAILED 0x00000080 /* adpt_resethost failed */
170 
171 
172 // Device state flags
173 #define DPTI_DEV_ONLINE 0x00
174 #define DPTI_DEV_UNSCANNED 0x01
175 #define DPTI_DEV_RESET 0x02
176 #define DPTI_DEV_OFFLINE 0x04
177 
178 
179 struct adpt_device {
180  struct adpt_device* next_lun;
181  u32 flags;
182  u32 type;
183  u32 capacity;
184  u32 block_size;
185  u8 scsi_channel;
186  u8 scsi_id;
187  u8 scsi_lun;
188  u8 state;
189  u16 tid;
190  struct i2o_device* pI2o_dev;
191  struct scsi_device *pScsi_dev;
192 };
193 
194 struct adpt_channel {
195  struct adpt_device* device[MAX_ID]; /* used as an array of 128 scsi ids */
196  u8 scsi_id;
197  u8 type;
198  u16 tid;
199  u32 state;
200  struct i2o_device* pI2o_dev;
201 };
202 
203 // HBA state flags
204 #define DPTI_STATE_RESET (0x01)
205 #define DPTI_STATE_IOCTL (0x02)
206 
207 typedef struct _adpt_hba {
208  struct _adpt_hba *next;
209  struct pci_dev *pDev;
210  struct Scsi_Host *host;
211  u32 state;
212  spinlock_t state_lock;
213  int unit;
214  int host_no; /* SCSI host number */
215  u8 initialized;
216  u8 in_use; /* is the management node open*/
217 
218  char name[32];
219  char detail[55];
220 
221  void __iomem *base_addr_virt;
222  void __iomem *msg_addr_virt;
223  ulong base_addr_phys;
224  void __iomem *post_port;
225  void __iomem *reply_port;
226  void __iomem *irq_mask;
227  u16 post_count;
228  u32 post_fifo_size;
229  u32 reply_fifo_size;
230  u32* reply_pool;
231  dma_addr_t reply_pool_pa;
232  u32 sg_tablesize; // Scatter/Gather List Size.
233  u8 top_scsi_channel;
234  u8 top_scsi_id;
235  u8 top_scsi_lun;
236  u8 dma64;
237 
238  i2o_status_block* status_block;
239  dma_addr_t status_block_pa;
240  i2o_hrt* hrt;
241  dma_addr_t hrt_pa;
242  i2o_lct* lct;
243  dma_addr_t lct_pa;
244  uint lct_size;
245  struct i2o_device* devices;
246  struct adpt_channel channel[MAX_CHANNEL];
247  struct proc_dir_entry* proc_entry; /* /proc dir */
248 
249  void __iomem *FwDebugBuffer_P; // Virtual Address Of FW Debug Buffer
250  u32 FwDebugBufferSize; // FW Debug Buffer Size In Bytes
251  void __iomem *FwDebugStrLength_P;// Virtual Addr Of FW Debug String Len
252  void __iomem *FwDebugFlags_P; // Virtual Address Of FW Debug Flags
253  void __iomem *FwDebugBLEDflag_P;// Virtual Addr Of FW Debug BLED
254  void __iomem *FwDebugBLEDvalue_P;// Virtual Addr Of FW Debug BLED
255  u32 FwDebugFlags;
256  u32 *ioctl_reply_context[4];
257 } adpt_hba;
258 
259 struct sg_simple_element {
260  u32 flag_count;
261  u32 addr_bus;
262 };
263 
264 /*
265  * Function Prototypes
266  */
267 
268 static void adpt_i2o_sys_shutdown(void);
269 static int adpt_init(void);
270 static int adpt_i2o_build_sys_table(void);
271 static irqreturn_t adpt_isr(int irq, void *dev_id);
272 
273 static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d);
274 static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
275  int group, int field, void *buf, int buflen);
276 #ifdef DEBUG
277 static const char *adpt_i2o_get_class_name(int class);
278 #endif
279 static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
280  void *opblk, dma_addr_t opblk_pa, int oplen,
281  void *resblk, dma_addr_t resblk_pa, int reslen);
282 static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout);
283 static int adpt_i2o_lct_get(adpt_hba* pHba);
284 static int adpt_i2o_parse_lct(adpt_hba* pHba);
285 static int adpt_i2o_activate_hba(adpt_hba* pHba);
286 static int adpt_i2o_enable_hba(adpt_hba* pHba);
287 static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d);
288 static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len);
289 static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba);
290 static s32 adpt_i2o_status_get(adpt_hba* pHba);
291 static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba);
292 static s32 adpt_i2o_hrt_get(adpt_hba* pHba);
293 static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* dptdevice);
294 static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd);
295 static s32 adpt_scsi_host_alloc(adpt_hba* pHba,struct scsi_host_template * sht);
296 static s32 adpt_hba_reset(adpt_hba* pHba);
297 static s32 adpt_i2o_reset_hba(adpt_hba* pHba);
298 static s32 adpt_rescan(adpt_hba* pHba);
299 static s32 adpt_i2o_reparse_lct(adpt_hba* pHba);
300 static s32 adpt_send_nop(adpt_hba*pHba,u32 m);
301 static void adpt_i2o_delete_hba(adpt_hba* pHba);
302 static void adpt_inquiry(adpt_hba* pHba);
303 static void adpt_fail_posted_scbs(adpt_hba* pHba);
304 static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun);
305 static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) ;
306 static int adpt_i2o_online_hba(adpt_hba* pHba);
307 static void adpt_i2o_post_wait_complete(u32, int);
308 static int adpt_i2o_systab_send(adpt_hba* pHba);
309 
310 static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg);
311 static int adpt_open(struct inode *inode, struct file *file);
312 static int adpt_close(struct inode *inode, struct file *file);
313 
314 
315 #ifdef UARTDELAY
316 static void adpt_delay(int millisec);
317 #endif
318 
319 #define PRINT_BUFFER_SIZE 512
320 
321 #define HBA_FLAGS_DBG_FLAGS_MASK 0xffff0000 // Mask for debug flags
322 #define HBA_FLAGS_DBG_KERNEL_PRINT_B 0x00010000 // Kernel Debugger Print
323 #define HBA_FLAGS_DBG_FW_PRINT_B 0x00020000 // Firmware Debugger Print
324 #define HBA_FLAGS_DBG_FUNCTION_ENTRY_B 0x00040000 // Function Entry Point
325 #define HBA_FLAGS_DBG_FUNCTION_EXIT_B 0x00080000 // Function Exit
326 #define HBA_FLAGS_DBG_ERROR_B 0x00100000 // Error Conditions
327 #define HBA_FLAGS_DBG_INIT_B 0x00200000 // Init Prints
328 #define HBA_FLAGS_DBG_OS_COMMANDS_B 0x00400000 // OS Command Info
329 #define HBA_FLAGS_DBG_SCAN_B 0x00800000 // Device Scan
330 
331 #define FW_DEBUG_STR_LENGTH_OFFSET 0
332 #define FW_DEBUG_FLAGS_OFFSET 4
333 #define FW_DEBUG_BLED_OFFSET 8
334 
335 #define FW_DEBUG_FLAGS_NO_HEADERS_B 0x01
336 #endif /* !HOSTS_C */
337 #endif /* _DPT_H */
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