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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [scsi/] [eata_pio_proc.c] - Rev 1772
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/* * eata_set_info * buffer : pointer to the data that has been written to the hostfile * length : number of bytes written to the hostfile * HBA_ptr: pointer to the Scsi_Host struct */ int eata_pio_set_info(char *buffer, int length, struct Scsi_Host *HBA_ptr) { DBG(DBG_PROC_WRITE, printk("%s\n", buffer)); return(-ENOSYS); /* Currently this is a no-op */ } /* * eata_proc_info * inout : decides on the direction of the dataflow and the meaning of the * variables * buffer: If inout==FALSE data is being written to it else read from it * *start: If inout==FALSE start of the valid data in the buffer * offset: If inout==FALSE offset from the beginning of the imaginary file * from which we start writing into the buffer * length: If inout==FALSE max number of bytes to be written into the buffer * else number of bytes in the buffer */ int eata_pio_proc_info(char *buffer, char **start, off_t offset, int length, int hostno, int inout) { Scsi_Device *scd; struct Scsi_Host *HBA_ptr; static u8 buff[512]; int i; int size, len = 0; off_t begin = 0; off_t pos = 0; HBA_ptr = first_HBA; for (i = 1; i <= registered_HBAs; i++) { if (HBA_ptr->host_no == hostno) break; HBA_ptr = SD(HBA_ptr)->next; } if(inout == TRUE) /* Has data been written to the file ? */ return(eata_pio_set_info(buffer, length, HBA_ptr)); if (offset == 0) memset(buff, 0, sizeof(buff)); size = sprintf(buffer+len, "EATA (Extended Attachment) PIO driver version: " "%d.%d%s\n",VER_MAJOR, VER_MINOR, VER_SUB); len += size; pos = begin + len; size = sprintf(buffer + len, "queued commands: %10ld\n" "processed interrupts:%10ld\n", queue_counter, int_counter); len += size; pos = begin + len; size = sprintf(buffer + len, "\nscsi%-2d: HBA %.10s\n", HBA_ptr->host_no, SD(HBA_ptr)->name); len += size; pos = begin + len; size = sprintf(buffer + len, "Firmware revision: v%s\n", SD(HBA_ptr)->revision); len += size; pos = begin + len; size = sprintf(buffer + len, "IO: PIO\n"); len += size; pos = begin + len; size = sprintf(buffer + len, "Base IO : %#.4x\n", (u32) HBA_ptr->base); len += size; pos = begin + len; size = sprintf(buffer + len, "Host Bus: %s\n", (SD(HBA_ptr)->bustype == 'P')?"PCI ": (SD(HBA_ptr)->bustype == 'E')?"EISA":"ISA "); len += size; pos = begin + len; if (pos < offset) { len = 0; begin = pos; } if (pos > offset + length) goto stop_output; scd = scsi_devices; size = sprintf(buffer+len,"Attached devices: %s\n", (scd)?"":"none"); len += size; pos = begin + len; while (scd) { if (scd->host == HBA_ptr) { proc_print_scsidevice(scd, buffer, &size, len); len += size; pos = begin + len; if (pos < offset) { len = 0; begin = pos; } if (pos > offset + length) goto stop_output; } scd = scd->next; } stop_output: DBG(DBG_PROC, printk("2pos: %ld offset: %ld len: %d\n", pos, offset, len)); *start=buffer+(offset-begin); /* Start of wanted data */ len-=(offset-begin); /* Start slop */ if(len>length) len = length; /* Ending slop */ DBG(DBG_PROC, printk("3pos: %ld offset: %ld len: %d\n", pos, offset, len)); return (len); } /* * Overrides for Emacs so that we follow Linus's tabbing style. * Emacs will notice this stuff at the end of the file and automatically * adjust the settings for this buffer only. This must remain at the end * of the file. * --------------------------------------------------------------------------- * Local variables: * c-indent-level: 4 * c-brace-imaginary-offset: 0 * c-brace-offset: -4 * c-argdecl-indent: 4 * c-label-offset: -4 * c-continued-statement-offset: 4 * c-continued-brace-offset: 0 * tab-width: 8 * End: */
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