1 /***************************************************************************
5 copyright : (C) 2001 by Adaptec
7 See Documentation/scsi/dpti.txt for history, notes, license info
9 ***************************************************************************/
11 /***************************************************************************
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. *
18 ***************************************************************************/
23 #define MAX_TO_IOP_MESSAGES (255)
24 #define MAX_FROM_IOP_MESSAGES (255)
28 * SCSI interface function Prototypes
31 static int adpt_detect(struct scsi_host_template * sht);
32 static int adpt_queue(struct scsi_cmnd * cmd, void (*cmdcomplete) (struct scsi_cmnd *));
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 *);
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[]);
42 static int adpt_bus_reset(struct scsi_cmnd* cmd);
43 static int adpt_device_reset(struct scsi_cmnd* cmd);
47 * Scsi_Host_Template (see hosts.h)
50 #define DPT_DRIVER_NAME "Adaptec I2O RAID"
54 #include "dpt/sys_info.h"
55 #include <linux/wait.h>
56 #include "dpt/dpti_i2o.h"
57 #include "dpt/dpti_ioctl.h"
59 #define DPT_I2O_VERSION "2.4 Build 5go"
61 #define DPT_REVISION '4'
62 #define DPT_SUBREVISION '5'
66 #define DPT_YEAR (2001-1980)
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
75 /* Sizes in 4 byte words */
76 #define REPLY_FRAME_SIZE (17)
77 #define MAX_MESSAGE_SIZE (128)
78 #define SG_LIST_ELEMENTS (56)
80 #define EMPTY_QUEUE 0xffffffff
81 #define I2O_INTERRUPT_PENDING_B (0x08)
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)
87 //#define REBOOT_NOTIFIER 1
88 /* Debugging macro from Linux Device Drivers - Rubini */
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)
95 # define PDEBUG(fmt, args...) /* not debugging: nothing */
96 # define PDEBUGV(fmt, args...) /* not debugging: nothing */
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)
104 #define SHUTDOWN_SIGS (sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGTERM))
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)
118 #define I2O_SCSI_DEVICE_DSC_MASK 0x00FF
120 #define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION 0x000A
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
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 */
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
181 struct adpt_device* next_lun;
191 struct i2o_device* pI2o_dev;
192 struct scsi_device *pScsi_dev;
195 struct adpt_channel {
196 struct adpt_device* device[MAX_ID]; /* used as an array of 128 scsi ids */
201 struct i2o_device* pI2o_dev;
205 #define DPTI_STATE_RESET (0x01)
206 #define DPTI_STATE_IOCTL (0x02)
208 typedef struct _adpt_hba {
209 struct _adpt_hba *next;
210 struct pci_dev *pDev;
211 struct Scsi_Host *host;
213 spinlock_t state_lock;
215 int host_no; /* SCSI host number */
217 u8 in_use; /* is the management node open*/
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;
232 u32 sg_tablesize; // Scatter/Gather List Size.
237 i2o_status_block* status_block;
241 struct i2o_device* devices;
242 struct adpt_channel channel[MAX_CHANNEL];
243 struct proc_dir_entry* proc_entry; /* /proc dir */
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
254 struct sg_simple_element {
260 * Function Prototypes
263 static void adpt_i2o_sys_shutdown(void);
264 static int adpt_init(void);
265 static int adpt_i2o_build_sys_table(void);
266 static irqreturn_t adpt_isr(int irq, void *dev_id, struct pt_regs *regs);
267 #ifdef REBOOT_NOTIFIER
268 static int adpt_reboot_event(struct notifier_block *n, ulong code, void *p);
271 static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d);
272 static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
273 int group, int field, void *buf, int buflen);
275 static const char *adpt_i2o_get_class_name(int class);
277 static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
278 void *opblk, int oplen, void *resblk, int reslen);
279 static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout);
280 static int adpt_i2o_lct_get(adpt_hba* pHba);
281 static int adpt_i2o_parse_lct(adpt_hba* pHba);
282 static int adpt_i2o_activate_hba(adpt_hba* pHba);
283 static int adpt_i2o_enable_hba(adpt_hba* pHba);
284 static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d);
285 static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len);
286 static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba);
287 static s32 adpt_i2o_status_get(adpt_hba* pHba);
288 static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba);
289 static s32 adpt_i2o_hrt_get(adpt_hba* pHba);
290 static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* dptdevice);
291 static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd);
292 static s32 adpt_scsi_register(adpt_hba* pHba,struct scsi_host_template * sht);
293 static s32 adpt_hba_reset(adpt_hba* pHba);
294 static s32 adpt_i2o_reset_hba(adpt_hba* pHba);
295 static s32 adpt_rescan(adpt_hba* pHba);
296 static s32 adpt_i2o_reparse_lct(adpt_hba* pHba);
297 static s32 adpt_send_nop(adpt_hba*pHba,u32 m);
298 static void adpt_i2o_delete_hba(adpt_hba* pHba);
299 static void adpt_inquiry(adpt_hba* pHba);
300 static void adpt_fail_posted_scbs(adpt_hba* pHba);
301 static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun);
302 static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) ;
303 static int adpt_i2o_online_hba(adpt_hba* pHba);
304 static void adpt_i2o_post_wait_complete(u32, int);
305 static int adpt_i2o_systab_send(adpt_hba* pHba);
307 static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg);
308 static int adpt_open(struct inode *inode, struct file *file);
309 static int adpt_close(struct inode *inode, struct file *file);
313 static void adpt_delay(int millisec);
317 static void adpt_ia64_info(sysInfo_S* si);
319 #if defined __sparc__
320 static void adpt_sparc_info(sysInfo_S* si);
322 #if defined __alpha__
323 static void adpt_sparc_info(sysInfo_S* si);
326 static void adpt_i386_info(sysInfo_S* si);
329 #define PRINT_BUFFER_SIZE 512
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
341 #define FW_DEBUG_STR_LENGTH_OFFSET 0
342 #define FW_DEBUG_FLAGS_OFFSET 4
343 #define FW_DEBUG_BLED_OFFSET 8
345 #define FW_DEBUG_FLAGS_NO_HEADERS_B 0x01
346 #endif /* !HOSTS_C */