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 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/* 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//#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); 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); 291static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd); 292static 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 315 316#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 */ 348