gdth_proc.c

来自「Linux Kernel 2.6.9 for OMAP1710」· C语言 代码 · 共 1,112 行 · 第 1/3 页

        begin = pos;
    }
    if (pos > offset + length)
        goto stop_output;

    if (ha->more_proc) {
        /* more information: 2. about physical devices */
        size = sprintf(buffer+len,"\nPhysical Devices:");
        len += size;  pos = begin + len;
        flag = FALSE;
            
        buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr);
        if (!buf) 
            goto stop_output;
        for (i = 0; i < ha->bus_cnt; ++i) {
            /* 2.a statistics (and retries/reassigns) */
            TRACE2(("pdr_statistics() chn %d\n",i));                
            pds = (gdth_dskstat_str *)(buf + GDTH_SCRATCH/4);
            gdtcmd.Service = CACHESERVICE;
            gdtcmd.OpCode = GDT_IOCTL;
            gdtcmd.u.ioctl.p_param = paddr + GDTH_SCRATCH/4;
            gdtcmd.u.ioctl.param_size = 3*GDTH_SCRATCH/4;
            gdtcmd.u.ioctl.subfunc = DSK_STATISTICS | L_CTRL_PATTERN;
            gdtcmd.u.ioctl.channel = ha->raw[i].address | INVALID_CHANNEL;
            pds->bid = ha->raw[i].local_no;
            pds->first = 0;
            pds->entries = ha->raw[i].pdev_cnt;
            cnt = (3*GDTH_SCRATCH/4 - 5 * sizeof(ulong32)) /
                sizeof(pds->list[0]);
            if (pds->entries > cnt)
                pds->entries = cnt;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
            gdth_do_req(scp, &gdtcmd, cmnd, 30);
            if (scp->sr_command->SCp.Status != S_OK) 
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
            gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
            if (scp->SCp.Status != S_OK) 
#else
            gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
            if (scp.SCp.Status != S_OK) 
#endif
            { 
                pds->count = 0;
            }

            /* other IOCTLs must fit into area GDTH_SCRATCH/4 */
            for (j = 0; j < ha->raw[i].pdev_cnt; ++j) {
                /* 2.b drive info */
                TRACE2(("scsi_drv_info() chn %d dev %d\n",
                    i, ha->raw[i].id_list[j]));             
                pdi = (gdth_diskinfo_str *)buf;
                gdtcmd.Service = CACHESERVICE;
                gdtcmd.OpCode = GDT_IOCTL;
                gdtcmd.u.ioctl.p_param = paddr;
                gdtcmd.u.ioctl.param_size = sizeof(gdth_diskinfo_str);
                gdtcmd.u.ioctl.subfunc = SCSI_DR_INFO | L_CTRL_PATTERN;
                gdtcmd.u.ioctl.channel = 
                    ha->raw[i].address | ha->raw[i].id_list[j];
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
                gdth_do_req(scp, &gdtcmd, cmnd, 30);
                if (scp->sr_command->SCp.Status == S_OK) 
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
                gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
                if (scp->SCp.Status == S_OK) 
#else
                gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
                if (scp.SCp.Status == S_OK) 
#endif
                {
                    strncpy(hrec,pdi->vendor,8);
                    strncpy(hrec+8,pdi->product,16);
                    strncpy(hrec+24,pdi->revision,4);
                    hrec[28] = 0;
                    size = sprintf(buffer+len,
                                   "\n Chn/ID/LUN:   \t%c/%02d/%d    \tName:          \t%s\n",
                                   'A'+i,pdi->target_id,pdi->lun,hrec);
                    len += size;  pos = begin + len;
                    flag = TRUE;
                    pdi->no_ldrive &= 0xffff;
                    if (pdi->no_ldrive == 0xffff)
                        strcpy(hrec,"--");
                    else
                        sprintf(hrec,"%d",pdi->no_ldrive);
                    size = sprintf(buffer+len,
                                   " Capacity [MB]:\t%-6d    \tTo Log. Drive: \t%s\n",
                                   pdi->blkcnt/(1024*1024/pdi->blksize),
                                   hrec);
                    len += size;  pos = begin + len;
                } else {
                    pdi->devtype = 0xff;
                }
                    
                if (pdi->devtype == 0) {
                    /* search retries/reassigns */
                    for (k = 0; k < pds->count; ++k) {
                        if (pds->list[k].tid == pdi->target_id &&
                            pds->list[k].lun == pdi->lun) {
                            size = sprintf(buffer+len,
                                           " Retries:      \t%-6d    \tReassigns:     \t%d\n",
                                           pds->list[k].retries,
                                           pds->list[k].reassigns);
                            len += size;  pos = begin + len;
                            break;
                        }
                    }
                    /* 2.c grown defects */
                    TRACE2(("scsi_drv_defcnt() chn %d dev %d\n",
                            i, ha->raw[i].id_list[j]));             
                    pdef = (gdth_defcnt_str *)buf;
                    gdtcmd.Service = CACHESERVICE;
                    gdtcmd.OpCode = GDT_IOCTL;
                    gdtcmd.u.ioctl.p_param = paddr;
                    gdtcmd.u.ioctl.param_size = sizeof(gdth_defcnt_str);
                    gdtcmd.u.ioctl.subfunc = SCSI_DEF_CNT | L_CTRL_PATTERN;
                    gdtcmd.u.ioctl.channel = 
                        ha->raw[i].address | ha->raw[i].id_list[j];
                    pdef->sddc_type = 0x08;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
                    gdth_do_req(scp, &gdtcmd, cmnd, 30);
                    if (scp->sr_command->SCp.Status == S_OK) 
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
                    gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
                    if (scp->SCp.Status == S_OK) 
#else
                    gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
                    if (scp.SCp.Status == S_OK) 
#endif
                    {
                        size = sprintf(buffer+len,
                                       " Grown Defects:\t%d\n",
                                       pdef->sddc_cnt);
                        len += size;  pos = begin + len;
                    }
                }
                if (pos < offset) {
                    len = 0;
                    begin = pos;
                }
                if (pos > offset + length)
                    goto stop_output;
            }
        }
        gdth_ioctl_free(hanum, GDTH_SCRATCH, buf, paddr);

        if (!flag) {
            size = sprintf(buffer+len, "\n --\n");
            len += size;  pos = begin + len;
        }

        /* 3. about logical drives */
        size = sprintf(buffer+len,"\nLogical Drives:");
        len += size;  pos = begin + len;
        flag = FALSE;

        buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr);
        if (!buf) 
            goto stop_output;
        for (i = 0; i < MAX_LDRIVES; ++i) {
            if (!ha->hdr[i].is_logdrv)
                continue;
            drv_no = i;
            j = k = 0;
            is_mirr = FALSE;
            do {
                /* 3.a log. drive info */
                TRACE2(("cache_drv_info() drive no %d\n",drv_no));
                pcdi = (gdth_cdrinfo_str *)buf;
                gdtcmd.Service = CACHESERVICE;
                gdtcmd.OpCode = GDT_IOCTL;
                gdtcmd.u.ioctl.p_param = paddr;
                gdtcmd.u.ioctl.param_size = sizeof(gdth_cdrinfo_str);
                gdtcmd.u.ioctl.subfunc = CACHE_DRV_INFO;
                gdtcmd.u.ioctl.channel = drv_no;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
                gdth_do_req(scp, &gdtcmd, cmnd, 30);
                if (scp->sr_command->SCp.Status != S_OK) 
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
                gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
                if (scp->SCp.Status != S_OK)
#else
                gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
                if (scp.SCp.Status != S_OK)
#endif
                {
                    break;
                }
                pcdi->ld_dtype >>= 16;
                j++;
                if (pcdi->ld_dtype > 2) {
                    strcpy(hrec, "missing");
                } else if (pcdi->ld_error & 1) {
                    strcpy(hrec, "fault");
                } else if (pcdi->ld_error & 2) {
                    strcpy(hrec, "invalid");
                    k++; j--;
                } else {
                    strcpy(hrec, "ok");
                }
                    
                if (drv_no == i) {
                    size = sprintf(buffer+len,
                                   "\n Number:       \t%-2d        \tStatus:        \t%s\n",
                                   drv_no, hrec);
                    len += size;  pos = begin + len;
                    flag = TRUE;
                    no_mdrv = pcdi->cd_ldcnt;
                    if (no_mdrv > 1 || pcdi->ld_slave != -1) {
                        is_mirr = TRUE;
                        strcpy(hrec, "RAID-1");
                    } else if (pcdi->ld_dtype == 0) {
                        strcpy(hrec, "Disk");
                    } else if (pcdi->ld_dtype == 1) {
                        strcpy(hrec, "RAID-0");
                    } else if (pcdi->ld_dtype == 2) {
                        strcpy(hrec, "Chain");
                    } else {
                        strcpy(hrec, "???");
                    }
                    size = sprintf(buffer+len,
                                   " Capacity [MB]:\t%-6d    \tType:          \t%s\n",
                                   pcdi->ld_blkcnt/(1024*1024/pcdi->ld_blksize),
                                   hrec);
                    len += size;  pos = begin + len;
                } else {
                    size = sprintf(buffer+len,
                                   " Slave Number: \t%-2d        \tStatus:        \t%s\n",
                                   drv_no & 0x7fff, hrec);
                    len += size;  pos = begin + len;
                }
                drv_no = pcdi->ld_slave;
                if (pos < offset) {
                    len = 0;
                    begin = pos;
                }
                if (pos > offset + length)
                    goto stop_output;
            } while (drv_no != -1);
             
            if (is_mirr) {
                size = sprintf(buffer+len,
                               " Missing Drv.: \t%-2d        \tInvalid Drv.:  \t%d\n",
                               no_mdrv - j - k, k);
                len += size;  pos = begin + len;
            }
              
            if (!ha->hdr[i].is_arraydrv)
                strcpy(hrec, "--");
            else
                sprintf(hrec, "%d", ha->hdr[i].master_no);
            size = sprintf(buffer+len,
                           " To Array Drv.:\t%s\n", hrec);
            len += size;  pos = begin + len;
            if (pos < offset) {
                len = 0;
                begin = pos;
            }
            if (pos > offset + length)
                goto stop_output;
        }       
        gdth_ioctl_free(hanum, GDTH_SCRATCH, buf, paddr);
        
        if (!flag) {
            size = sprintf(buffer+len, "\n --\n");
            len += size;  pos = begin + len;
        }   

        /* 4. about array drives */
        size = sprintf(buffer+len,"\nArray Drives:");
        len += size;  pos = begin + len;
        flag = FALSE;

        buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr);
        if (!buf) 
            goto stop_output;
        for (i = 0; i < MAX_LDRIVES; ++i) {
            if (!(ha->hdr[i].is_arraydrv && ha->hdr[i].is_master))
                continue;
            /* 4.a array drive info */
            TRACE2(("array_info() drive no %d\n",i));
            pai = (gdth_arrayinf_str *)buf;
            gdtcmd.Service = CACHESERVICE;
            gdtcmd.OpCode = GDT_IOCTL;
            gdtcmd.u.ioctl.p_param = paddr;
            gdtcmd.u.ioctl.param_size = sizeof(gdth_arrayinf_str);
            gdtcmd.u.ioctl.subfunc = ARRAY_INFO | LA_CTRL_PATTERN;
            gdtcmd.u.ioctl.channel = i;
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
            gdth_do_req(scp, &gdtcmd, cmnd, 30);
            if (scp->sr_command->SCp.Status == S_OK) 
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
            gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
            if (scp->SCp.Status == S_OK) 
#else
            gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
            if (scp.SCp.Status == S_OK) 
#endif
            {
                if (pai->ai_state == 0)
                    strcpy(hrec, "idle");
                else if (pai->ai_state == 2)
                    strcpy(hrec, "build");
                else if (pai->ai_state == 4)
                    strcpy(hrec, "ready");
                else if (pai->ai_state == 6)
                    strcpy(hrec, "fail");
                else if (pai->ai_state == 8 || pai->ai_state == 10)
                    strcpy(hrec, "rebuild");
                else
                    strcpy(hrec, "error");
                if (pai->ai_ext_state & 0x10)
                    strcat(hrec, "/expand");
                else if (pai->ai_ext_state & 0x1)
                    strcat(hrec, "/patch");
                size = sprintf(buffer+len,
                               "\n Number:       \t%-2d        \tStatus:        \t%s\n",
                               i,hrec);
                len += size;  pos = begin + len;
                flag = TRUE;

                if (pai->ai_type == 0)
                    strcpy(hrec, "RAID-0");
                else if (pai->ai_type == 4)
                    strcpy(hrec, "RAID-4");
                else if (pai->ai_type == 5)
                    strcpy(hrec, "RAID-5");
                else 
                    strcpy(hrec, "RAID-10");
                size = sprintf(buffer+len,
                               " Capacity [MB]:\t%-6d    \tType:          \t%s\n",
                               pai->ai_size/(1024*1024/pai->ai_secsize),
                               hrec);
                len += size;  pos = begin + len;
                if (pos < offset) {
                    len = 0;
                    begin = pos;
                }
                if (pos > offset + length)
                    goto stop_output;
            }
        }
        gdth_ioctl_free(hanum, GDTH_SCRATCH, buf, paddr);
        
        if (!flag) {
            size = sprintf(buffer+len, "\n --\n");
            len += size;  pos = begin + len;
        }

        /* 5. about host drives */
        size = sprintf(buffer+len,"\nHost Drives:");
        len += size;  pos = begin + len;
        flag = FALSE;

        buf = gdth_ioctl_alloc(hanum, sizeof(gdth_hget_str), FALSE, &paddr);
        if (!buf) 
            goto stop_output;
        for (i = 0; i < MAX_LDRIVES; ++i) {
            if (!ha->hdr[i].is_logdrv || 
                (ha->hdr[i].is_arraydrv && !ha->hdr[i].is_master))
                continue;
            /* 5.a get host drive list */
            TRACE2(("host_get() drv_no %d\n",i));           
            phg = (gdth_hget_str *)buf;
            gdtcmd.Service = CACHESERVICE;
            gdtcmd.OpCode = GDT_IOCTL;
            gdtcmd.u.ioctl.p_param = paddr;
            gdtcmd.u.ioctl.param_size = sizeof(gdth_hget_str);
            gdtcmd.u.ioctl.subfunc = HOST_GET | LA_CTRL_PATTERN;
            gdtcmd.u.ioctl.channel = i;
            phg->entries = MAX_HDRIVES;
            phg->offset = GDTOFFSOF(gdth_hget_str, entry[0]); 
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)