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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [scsi/] [eata_dma_proc.c] - Rev 1774
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void swap_statistics(u8 *p) { u32 y; u32 *lp, h_lp; u16 *sp, h_sp; u8 *bp; lp = (u32 *)p; sp = ((short *)lp) + 1; /* Convert Header */ h_sp = *sp = ntohs(*sp); lp++; do { sp = (u16 *)lp; /* Convert SubHeader */ *sp = ntohs(*sp); bp = (u8 *) lp; y = *(bp + 3); lp++; for (h_lp = (u32)lp; (u32)lp < h_lp + ((u32)*(bp + 3)); lp++) *lp = ntohl(*lp); }while ((u32)lp < ((u32)p) + 4 + h_sp); } /* * 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_set_info(char *buffer, int length, struct Scsi_Host *HBA_ptr) { int orig_length = length; if (length >= 8 && strncmp(buffer, "eata_dma", 8) == 0) { buffer += 9; length -= 9; if(length >= 8 && strncmp(buffer, "latency", 7) == 0) { SD(HBA_ptr)->do_latency = TRUE; return(orig_length); } if(length >=10 && strncmp(buffer, "nolatency", 9) == 0) { SD(HBA_ptr)->do_latency = FALSE; return(orig_length); } printk("Unknown command:%s length: %d\n", buffer, length); } else printk("Wrong Signature:%10s\n", buffer); return(-EINVAL); } /* * 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_proc_info(char *buffer, char **start, off_t offset, int length, int hostno, int inout) { Scsi_Device *scd, *SDev; struct Scsi_Host *HBA_ptr; Scsi_Request * scmd; char cmnd[MAX_COMMAND_SIZE]; static u8 buff[512]; static u8 buff2[512]; hst_cmd_stat *rhcs, *whcs; coco *cc; scsitrans *st; scsimod *sm; hobu *hb; scbu *sb; boty *bt; memco *mc; firm *fm; subinf *si; pcinf *pi; arrlim *al; int i, x; int size, len = 0; off_t begin = 0; off_t pos = 0; scd = NULL; 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_set_info(buffer, length, HBA_ptr)); if (offset == 0) memset(buff, 0, sizeof(buff)); cc = (coco *) (buff + 0x148); st = (scsitrans *)(buff + 0x164); sm = (scsimod *) (buff + 0x16c); hb = (hobu *) (buff + 0x172); sb = (scbu *) (buff + 0x178); bt = (boty *) (buff + 0x17e); mc = (memco *) (buff + 0x186); fm = (firm *) (buff + 0x18e); si = (subinf *) (buff + 0x196); pi = (pcinf *) (buff + 0x19c); al = (arrlim *) (buff + 0x1a2); size = sprintf(buffer+len, "EATA (Extended Attachment) 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, "Hardware Configuration:\n"); len += size; pos = begin + len; if(SD(HBA_ptr)->broken_INQUIRY == TRUE) { if (HBA_ptr->dma_channel == BUSMASTER) size = sprintf(buffer + len, "DMA: BUSMASTER\n"); else size = sprintf(buffer + len, "DMA: %d\n", HBA_ptr->dma_channel); 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: EISA\n"); len += size; pos = begin + len; } else { SDev = scsi_get_host_dev(HBA_ptr); if(SDev == NULL) return -ENOMEM; scmd = scsi_allocate_request(SDev); if(scmd == NULL) { scsi_free_host_dev(SDev); return -ENOMEM; } cmnd[0] = LOG_SENSE; cmnd[1] = 0; cmnd[2] = 0x33 + (3<<6); cmnd[3] = 0; cmnd[4] = 0; cmnd[5] = 0; cmnd[6] = 0; cmnd[7] = 0x00; cmnd[8] = 0x66; cmnd[9] = 0; scmd->sr_cmd_len = 10; scmd->sr_data_direction = SCSI_DATA_READ; /* * Do the command and wait for it to finish. */ scsi_wait_req (scmd, cmnd, buff + 0x144, 0x66, 1 * HZ, 1); size = sprintf(buffer + len, "IRQ: %2d, %s triggered\n", cc->interrupt, (cc->intt == TRUE)?"level":"edge"); len += size; pos = begin + len; if (HBA_ptr->dma_channel == 0xff) size = sprintf(buffer + len, "DMA: BUSMASTER\n"); else size = sprintf(buffer + len, "DMA: %d\n", HBA_ptr->dma_channel); len += size; pos = begin + len; size = sprintf(buffer + len, "CPU: MC680%02d %dMHz\n", bt->cpu_type, bt->cpu_speed); 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 == IS_PCI)?"PCI ": (SD(HBA_ptr)->bustype == IS_EISA)?"EISA":"ISA "); len += size; pos = begin + len; size = sprintf(buffer + len, "SCSI Bus:%s%s Speed: %sMB/sec. %s\n", (sb->wide == TRUE)?" WIDE":"", (sb->dif == TRUE)?" DIFFERENTIAL":"", (sb->speed == 0)?"5":(sb->speed == 1)?"10":"20", (sb->ext == TRUE)?"With external cable detection":""); len += size; pos = begin + len; size = sprintf(buffer + len, "SCSI channel expansion Module: %s present\n", (bt->sx1 == TRUE)?"SX1 (one channel)": ((bt->sx2 == TRUE)?"SX2 (two channels)":"not")); len += size; pos = begin + len; size = sprintf(buffer + len, "SmartRAID hardware: %spresent.\n", (cc->srs == TRUE)?"":"not "); len += size; pos = begin + len; size = sprintf(buffer + len, " Type: %s\n", ((cc->key == TRUE)?((bt->dmi == TRUE)?"integrated" :((bt->dm4 == TRUE)?"DM401X" :(bt->dm4k == TRUE)?"DM4000" :"-")) :"-")); len += size; pos = begin + len; size = sprintf(buffer + len, " Max array groups: %d\n", (al->code == 0x0e)?al->max_groups:7); len += size; pos = begin + len; size = sprintf(buffer + len, " Max drives per RAID 0 array: %d\n", (al->code == 0x0e)?al->raid0_drv:7); len += size; pos = begin + len; size = sprintf(buffer + len, " Max drives per RAID 3/5 array: %d\n", (al->code == 0x0e)?al->raid35_drv:7); len += size; pos = begin + len; size = sprintf(buffer + len, "Cache Module: %spresent.\n", (cc->csh)?"":"not "); len += size; pos = begin + len; size = sprintf(buffer + len, " Type: %s\n", ((cc->csh == TRUE)?((bt->cmi == TRUE)?"integrated" :((bt->cm4 == TRUE)?"CM401X" :((bt->cm4k == TRUE)?"CM4000" :"-"))) :"-")); len += size; pos = begin + len; for (x = 0; x <= 3; x++) { size = sprintf(buffer + len, " Bank%d: %dMB with%s ECC\n",x, mc->banksize[x] & 0x7f, (mc->banksize[x] & 0x80)?"":"out"); len += size; pos = begin + len; } size = sprintf(buffer + len, "Timer Mod.: %spresent\n", (cc->tmr == TRUE)?"":"not "); len += size; pos = begin + len; size = sprintf(buffer + len, "NVRAM : %spresent\n", (cc->nvr == TRUE)?"":"not "); len += size; pos = begin + len; size = sprintf(buffer + len, "SmartROM : %sabled\n", (bt->srom == TRUE)?"dis":"en"); len += size; pos = begin + len; size = sprintf(buffer + len, "Alarm : %s\n", (bt->alrm == TRUE)?"on":"off"); len += size; pos = begin + len; if (pos < offset) { len = 0; begin = pos; } if (pos > offset + length) goto stop_output; if(SD(HBA_ptr)->do_latency == FALSE) { cmnd[0] = LOG_SENSE; cmnd[1] = 0; cmnd[2] = 0x32 + (3<<6); cmnd[3] = 0; cmnd[4] = 0; cmnd[5] = 0; cmnd[6] = 0; cmnd[7] = 0x01; cmnd[8] = 0x44; cmnd[9] = 0; scmd->sr_cmd_len = 10; scmd->sr_data_direction = SCSI_DATA_READ; /* * Do the command and wait for it to finish. */ scsi_wait_req (scmd, cmnd, buff2, 0x144, 1 * HZ, 1); swap_statistics(buff2); rhcs = (hst_cmd_stat *)(buff2 + 0x2c); whcs = (hst_cmd_stat *)(buff2 + 0x8c); for (x = 0; x <= 11; x++) { SD(HBA_ptr)->reads[x] += rhcs->sizes[x]; SD(HBA_ptr)->writes[x] += whcs->sizes[x]; SD(HBA_ptr)->reads[12] += rhcs->sizes[x]; SD(HBA_ptr)->writes[12] += whcs->sizes[x]; } size = sprintf(buffer + len, "Host<->Disk command statistics:\n" " Reads: Writes:\n"); len += size; pos = begin + len; for (x = 0; x <= 10; x++) { size = sprintf(buffer+len,"%5dk:%12u %12u\n", 1 << x, SD(HBA_ptr)->reads[x], SD(HBA_ptr)->writes[x]); len += size; pos = begin + len; } size = sprintf(buffer+len,">1024k:%12u %12u\n", SD(HBA_ptr)->reads[11], SD(HBA_ptr)->writes[11]); len += size; pos = begin + len; size = sprintf(buffer+len,"Sum :%12u %12u\n", SD(HBA_ptr)->reads[12], SD(HBA_ptr)->writes[12]); len += size; pos = begin + len; } scsi_release_request(scmd); scsi_free_host_dev(SDev); } if (pos < offset) { len = 0; begin = pos; } if (pos > offset + length) goto stop_output; if(SD(HBA_ptr)->do_latency == TRUE) { int factor = 1024/HZ; size = sprintf(buffer + len, "Host Latency Command Statistics:\n" "Current timer resolution: %2dms\n" " Reads: Min:(ms) Max:(ms) Ave:(ms)\n", factor); len += size; pos = begin + len; for (x = 0; x <= 10; x++) { size = sprintf(buffer+len,"%5dk:%12u %12u %12u %12u\n", 1 << x, SD(HBA_ptr)->reads_lat[x][0], (SD(HBA_ptr)->reads_lat[x][1] == 0xffffffff) ? 0:(SD(HBA_ptr)->reads_lat[x][1] * factor), SD(HBA_ptr)->reads_lat[x][2] * factor, SD(HBA_ptr)->reads_lat[x][3] * factor / ((SD(HBA_ptr)->reads_lat[x][0]) ? SD(HBA_ptr)->reads_lat[x][0]:1)); len += size; pos = begin + len; } size = sprintf(buffer+len,">1024k:%12u %12u %12u %12u\n", SD(HBA_ptr)->reads_lat[11][0], (SD(HBA_ptr)->reads_lat[11][1] == 0xffffffff) ? 0:(SD(HBA_ptr)->reads_lat[11][1] * factor), SD(HBA_ptr)->reads_lat[11][2] * factor, SD(HBA_ptr)->reads_lat[11][3] * factor / ((SD(HBA_ptr)->reads_lat[x][0]) ? SD(HBA_ptr)->reads_lat[x][0]:1)); len += size; pos = begin + len; if (pos < offset) { len = 0; begin = pos; } if (pos > offset + length) goto stop_output; size = sprintf(buffer + len, " Writes: Min:(ms) Max:(ms) Ave:(ms)\n"); len += size; pos = begin + len; for (x = 0; x <= 10; x++) { size = sprintf(buffer+len,"%5dk:%12u %12u %12u %12u\n", 1 << x, SD(HBA_ptr)->writes_lat[x][0], (SD(HBA_ptr)->writes_lat[x][1] == 0xffffffff) ? 0:(SD(HBA_ptr)->writes_lat[x][1] * factor), SD(HBA_ptr)->writes_lat[x][2] * factor, SD(HBA_ptr)->writes_lat[x][3] * factor / ((SD(HBA_ptr)->writes_lat[x][0]) ? SD(HBA_ptr)->writes_lat[x][0]:1)); len += size; pos = begin + len; } size = sprintf(buffer+len,">1024k:%12u %12u %12u %12u\n", SD(HBA_ptr)->writes_lat[11][0], (SD(HBA_ptr)->writes_lat[11][1] == 0xffffffff) ? 0:(SD(HBA_ptr)->writes_lat[x][1] * factor), SD(HBA_ptr)->writes_lat[11][2] * factor, SD(HBA_ptr)->writes_lat[11][3] * factor / ((SD(HBA_ptr)->writes_lat[x][0]) ? SD(HBA_ptr)->writes_lat[x][0]:1)); len += size; pos = begin + len; if (pos < offset) { len = 0; begin = pos; } if (pos > offset + length) goto stop_output; } size = sprintf(buffer+len,"Attached devices: %s\n", (HBA_ptr->host_queue)?"":"none"); len += size; pos = begin + len; for(scd = HBA_ptr->host_queue; scd; scd = scd->next) { 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; } 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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