1/* 2 * eata_set_info 3 * buffer : pointer to the data that has been written to the hostfile 4 * length : number of bytes written to the hostfile 5 * HBA_ptr: pointer to the Scsi_Host struct 6 */ 7int eata_pio_set_info(char *buffer, int length, struct Scsi_Host *HBA_ptr) 8{ 9 DBG(DBG_PROC_WRITE, printk("%s\n", buffer)); 10 return(-ENOSYS); /* Currently this is a no-op */ 11} 12 13/* 14 * eata_proc_info 15 * inout : decides on the direction of the dataflow and the meaning of the 16 * variables 17 * buffer: If inout==FALSE data is being written to it else read from it 18 * *start: If inout==FALSE start of the valid data in the buffer 19 * offset: If inout==FALSE offset from the beginning of the imaginary file 20 * from which we start writing into the buffer 21 * length: If inout==FALSE max number of bytes to be written into the buffer 22 * else number of bytes in the buffer 23 */ 24int eata_pio_proc_info(char *buffer, char **start, off_t offset, int length, 25 int hostno, int inout) 26{ 27 Scsi_Device *scd; 28 struct Scsi_Host *HBA_ptr; 29 static u8 buff[512]; 30 int i; 31 int size, len = 0; 32 off_t begin = 0; 33 off_t pos = 0; 34 35 HBA_ptr = first_HBA; 36 for (i = 1; i <= registered_HBAs; i++) { 37 if (HBA_ptr->host_no == hostno) 38 break; 39 HBA_ptr = SD(HBA_ptr)->next; 40 } 41 42 if(inout == TRUE) /* Has data been written to the file ? */ 43 return(eata_pio_set_info(buffer, length, HBA_ptr)); 44 45 if (offset == 0) 46 memset(buff, 0, sizeof(buff)); 47 48 size = sprintf(buffer+len, "EATA (Extended Attachment) PIO driver version: " 49 "%d.%d%s\n",VER_MAJOR, VER_MINOR, VER_SUB); 50 len += size; pos = begin + len; 51 size = sprintf(buffer + len, "queued commands: %10ld\n" 52 "processed interrupts:%10ld\n", queue_counter, int_counter); 53 len += size; pos = begin + len; 54 55 size = sprintf(buffer + len, "\nscsi%-2d: HBA %.10s\n", 56 HBA_ptr->host_no, SD(HBA_ptr)->name); 57 len += size; 58 pos = begin + len; 59 size = sprintf(buffer + len, "Firmware revision: v%s\n", 60 SD(HBA_ptr)->revision); 61 len += size; 62 pos = begin + len; 63 size = sprintf(buffer + len, "IO: PIO\n"); 64 len += size; 65 pos = begin + len; 66 size = sprintf(buffer + len, "Base IO : %#.4x\n", (u32) HBA_ptr->base); 67 len += size; 68 pos = begin + len; 69 size = sprintf(buffer + len, "Host Bus: %s\n", 70 (SD(HBA_ptr)->bustype == 'P')?"PCI ": 71 (SD(HBA_ptr)->bustype == 'E')?"EISA":"ISA "); 72 73 len += size; 74 pos = begin + len; 75 76 if (pos < offset) { 77 len = 0; 78 begin = pos; 79 } 80 if (pos > offset + length) 81 goto stop_output; 82 83 size = sprintf(buffer+len,"Attached devices: %s\n", 84 (HBA_ptr->host_queue)?"":"none"); 85 len += size; 86 pos = begin + len; 87 88 for(scd = HBA_ptr->host_queue; scd; scd = scd->next) { 89 proc_print_scsidevice(scd, buffer, &size, len); 90 len += size; 91 pos = begin + len; 92 93 if (pos < offset) { 94 len = 0; 95 begin = pos; 96 } 97 if (pos > offset + length) 98 goto stop_output; 99 } 100 101 stop_output: 102 DBG(DBG_PROC, printk("2pos: %ld offset: %ld len: %d\n", pos, offset, len)); 103 *start=buffer+(offset-begin); /* Start of wanted data */ 104 len-=(offset-begin); /* Start slop */ 105 if(len>length) 106 len = length; /* Ending slop */ 107 DBG(DBG_PROC, printk("3pos: %ld offset: %ld len: %d\n", pos, offset, len)); 108 109 return (len); 110} 111 112/* 113 * Overrides for Emacs so that we follow Linus's tabbing style. 114 * Emacs will notice this stuff at the end of the file and automatically 115 * adjust the settings for this buffer only. This must remain at the end 116 * of the file. 117 * --------------------------------------------------------------------------- 118 * Local variables: 119 * c-indent-level: 4 120 * c-brace-imaginary-offset: 0 121 * c-brace-offset: -4 122 * c-argdecl-indent: 4 123 * c-label-offset: -4 124 * c-continued-statement-offset: 4 125 * c-continued-brace-offset: 0 126 * tab-width: 8 127 * End: 128 */ 129