1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _GDTH_IOCTL_H 3 #define _GDTH_IOCTL_H 4 5 /* gdth_ioctl.h 6 * $Id: gdth_ioctl.h,v 1.14 2004/02/19 15:43:15 achim Exp $ 7 */ 8 9 /* IOCTLs */ 10 #define GDTIOCTL_MASK ('J'<<8) 11 #define GDTIOCTL_GENERAL (GDTIOCTL_MASK | 0) /* general IOCTL */ 12 #define GDTIOCTL_DRVERS (GDTIOCTL_MASK | 1) /* get driver version */ 13 #define GDTIOCTL_CTRTYPE (GDTIOCTL_MASK | 2) /* get controller type */ 14 #define GDTIOCTL_OSVERS (GDTIOCTL_MASK | 3) /* get OS version */ 15 #define GDTIOCTL_HDRLIST (GDTIOCTL_MASK | 4) /* get host drive list */ 16 #define GDTIOCTL_CTRCNT (GDTIOCTL_MASK | 5) /* get controller count */ 17 #define GDTIOCTL_LOCKDRV (GDTIOCTL_MASK | 6) /* lock host drive */ 18 #define GDTIOCTL_LOCKCHN (GDTIOCTL_MASK | 7) /* lock channel */ 19 #define GDTIOCTL_EVENT (GDTIOCTL_MASK | 8) /* read controller events */ 20 #define GDTIOCTL_SCSI (GDTIOCTL_MASK | 9) /* SCSI command */ 21 #define GDTIOCTL_RESET_BUS (GDTIOCTL_MASK |10) /* reset SCSI bus */ 22 #define GDTIOCTL_RESCAN (GDTIOCTL_MASK |11) /* rescan host drives */ 23 #define GDTIOCTL_RESET_DRV (GDTIOCTL_MASK |12) /* reset (remote) drv. res. */ 24 25 #define GDTIOCTL_MAGIC 0xaffe0004 26 #define EVENT_SIZE 294 27 #define GDTH_MAXSG 32 /* max. s/g elements */ 28 29 #define MAX_LDRIVES 255 /* max. log. drive count */ 30 #define MAX_HDRIVES MAX_LDRIVES /* max. host drive count */ 31 32 /* scatter/gather element */ 33 typedef struct { 34 u32 sg_ptr; /* address */ 35 u32 sg_len; /* length */ 36 } __attribute__((packed)) gdth_sg_str; 37 38 /* scatter/gather element - 64bit addresses */ 39 typedef struct { 40 u64 sg_ptr; /* address */ 41 u32 sg_len; /* length */ 42 } __attribute__((packed)) gdth_sg64_str; 43 44 /* command structure */ 45 typedef struct { 46 u32 BoardNode; /* board node (always 0) */ 47 u32 CommandIndex; /* command number */ 48 u16 OpCode; /* the command (READ,..) */ 49 union { 50 struct { 51 u16 DeviceNo; /* number of cache drive */ 52 u32 BlockNo; /* block number */ 53 u32 BlockCnt; /* block count */ 54 u32 DestAddr; /* dest. addr. (if s/g: -1) */ 55 u32 sg_canz; /* s/g element count */ 56 gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ 57 } __attribute__((packed)) cache; /* cache service cmd. str. */ 58 struct { 59 u16 DeviceNo; /* number of cache drive */ 60 u64 BlockNo; /* block number */ 61 u32 BlockCnt; /* block count */ 62 u64 DestAddr; /* dest. addr. (if s/g: -1) */ 63 u32 sg_canz; /* s/g element count */ 64 gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */ 65 } __attribute__((packed)) cache64; /* cache service cmd. str. */ 66 struct { 67 u16 param_size; /* size of p_param buffer */ 68 u32 subfunc; /* IOCTL function */ 69 u32 channel; /* device */ 70 u64 p_param; /* buffer */ 71 } __attribute__((packed)) ioctl; /* IOCTL command structure */ 72 struct { 73 u16 reserved; 74 union { 75 struct { 76 u32 msg_handle; /* message handle */ 77 u64 msg_addr; /* message buffer address */ 78 } __attribute__((packed)) msg; 79 u8 data[12]; /* buffer for rtc data, ... */ 80 } su; 81 } __attribute__((packed)) screen; /* screen service cmd. str. */ 82 struct { 83 u16 reserved; 84 u32 direction; /* data direction */ 85 u32 mdisc_time; /* disc. time (0: no timeout)*/ 86 u32 mcon_time; /* connect time(0: no to.) */ 87 u32 sdata; /* dest. addr. (if s/g: -1) */ 88 u32 sdlen; /* data length (bytes) */ 89 u32 clen; /* SCSI cmd. length(6,10,12) */ 90 u8 cmd[12]; /* SCSI command */ 91 u8 target; /* target ID */ 92 u8 lun; /* LUN */ 93 u8 bus; /* SCSI bus number */ 94 u8 priority; /* only 0 used */ 95 u32 sense_len; /* sense data length */ 96 u32 sense_data; /* sense data addr. */ 97 u32 link_p; /* linked cmds (not supp.) */ 98 u32 sg_ranz; /* s/g element count */ 99 gdth_sg_str sg_lst[GDTH_MAXSG]; /* s/g list */ 100 } __attribute__((packed)) raw; /* raw service cmd. struct. */ 101 struct { 102 u16 reserved; 103 u32 direction; /* data direction */ 104 u32 mdisc_time; /* disc. time (0: no timeout)*/ 105 u32 mcon_time; /* connect time(0: no to.) */ 106 u64 sdata; /* dest. addr. (if s/g: -1) */ 107 u32 sdlen; /* data length (bytes) */ 108 u32 clen; /* SCSI cmd. length(6,..,16) */ 109 u8 cmd[16]; /* SCSI command */ 110 u8 target; /* target ID */ 111 u8 lun; /* LUN */ 112 u8 bus; /* SCSI bus number */ 113 u8 priority; /* only 0 used */ 114 u32 sense_len; /* sense data length */ 115 u64 sense_data; /* sense data addr. */ 116 u32 sg_ranz; /* s/g element count */ 117 gdth_sg64_str sg_lst[GDTH_MAXSG]; /* s/g list */ 118 } __attribute__((packed)) raw64; /* raw service cmd. struct. */ 119 } u; 120 /* additional variables */ 121 u8 Service; /* controller service */ 122 u8 reserved; 123 u16 Status; /* command result */ 124 u32 Info; /* additional information */ 125 void *RequestBuffer; /* request buffer */ 126 } __attribute__((packed)) gdth_cmd_str; 127 128 /* controller event structure */ 129 #define ES_ASYNC 1 130 #define ES_DRIVER 2 131 #define ES_TEST 3 132 #define ES_SYNC 4 133 typedef struct { 134 u16 size; /* size of structure */ 135 union { 136 char stream[16]; 137 struct { 138 u16 ionode; 139 u16 service; 140 u32 index; 141 } __attribute__((packed)) driver; 142 struct { 143 u16 ionode; 144 u16 service; 145 u16 status; 146 u32 info; 147 u8 scsi_coord[3]; 148 } __attribute__((packed)) async; 149 struct { 150 u16 ionode; 151 u16 service; 152 u16 status; 153 u32 info; 154 u16 hostdrive; 155 u8 scsi_coord[3]; 156 u8 sense_key; 157 } __attribute__((packed)) sync; 158 struct { 159 u32 l1, l2, l3, l4; 160 } __attribute__((packed)) test; 161 } eu; 162 u32 severity; 163 u8 event_string[256]; 164 } __attribute__((packed)) gdth_evt_data; 165 166 typedef struct { 167 u32 first_stamp; 168 u32 last_stamp; 169 u16 same_count; 170 u16 event_source; 171 u16 event_idx; 172 u8 application; 173 u8 reserved; 174 gdth_evt_data event_data; 175 } __attribute__((packed)) gdth_evt_str; 176 177 /* GDTIOCTL_GENERAL */ 178 typedef struct { 179 u16 ionode; /* controller number */ 180 u16 timeout; /* timeout */ 181 u32 info; /* error info */ 182 u16 status; /* status */ 183 unsigned long data_len; /* data buffer size */ 184 unsigned long sense_len; /* sense buffer size */ 185 gdth_cmd_str command; /* command */ 186 } gdth_ioctl_general; 187 188 /* GDTIOCTL_LOCKDRV */ 189 typedef struct { 190 u16 ionode; /* controller number */ 191 u8 lock; /* lock/unlock */ 192 u8 drive_cnt; /* drive count */ 193 u16 drives[MAX_HDRIVES]; /* drives */ 194 } gdth_ioctl_lockdrv; 195 196 /* GDTIOCTL_LOCKCHN */ 197 typedef struct { 198 u16 ionode; /* controller number */ 199 u8 lock; /* lock/unlock */ 200 u8 channel; /* channel */ 201 } gdth_ioctl_lockchn; 202 203 /* GDTIOCTL_OSVERS */ 204 typedef struct { 205 u8 version; /* OS version */ 206 u8 subversion; /* OS subversion */ 207 u16 revision; /* revision */ 208 } gdth_ioctl_osvers; 209 210 /* GDTIOCTL_CTRTYPE */ 211 typedef struct { 212 u16 ionode; /* controller number */ 213 u8 type; /* controller type */ 214 u16 info; /* slot etc. */ 215 u16 oem_id; /* OEM ID */ 216 u16 bios_ver; /* not used */ 217 u16 access; /* not used */ 218 u16 ext_type; /* extended type */ 219 u16 device_id; /* device ID */ 220 u16 sub_device_id; /* sub device ID */ 221 } gdth_ioctl_ctrtype; 222 223 /* GDTIOCTL_EVENT */ 224 typedef struct { 225 u16 ionode; 226 int erase; /* erase event? */ 227 int handle; /* event handle */ 228 gdth_evt_str event; 229 } gdth_ioctl_event; 230 231 /* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */ 232 typedef struct { 233 u16 ionode; /* controller number */ 234 u8 flag; /* add/remove */ 235 u16 hdr_no; /* drive no. */ 236 struct { 237 u8 bus; /* SCSI bus */ 238 u8 target; /* target ID */ 239 u8 lun; /* LUN */ 240 u8 cluster_type; /* cluster properties */ 241 } hdr_list[MAX_HDRIVES]; /* index is host drive number */ 242 } gdth_ioctl_rescan; 243 244 /* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */ 245 typedef struct { 246 u16 ionode; /* controller number */ 247 u16 number; /* bus/host drive number */ 248 u16 status; /* status */ 249 } gdth_ioctl_reset; 250 251 #endif 252