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 */ 338