gdth_proc.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:52k
- /* gdth_proc.c
- * $Id: gdth_proc.c,v 1.33 2001/08/10 07:54:39 achim Exp $
- */
- #include "gdth_ioctl.h"
- #if LINUX_VERSION_CODE >= 0x020407
- #include <linux/completion.h>
- #endif
- int gdth_proc_info(char *buffer,char **start,off_t offset,int length,
- int hostno,int inout)
- {
- int hanum,busnum,i;
- TRACE2(("gdth_proc_info() length %d ha %d offs %d inout %dn",
- length,hostno,(int)offset,inout));
- for (i=0; i<gdth_ctr_vcount; ++i) {
- if (gdth_ctr_vtab[i]->host_no == hostno)
- break;
- }
- if (i==gdth_ctr_vcount)
- return(-EINVAL);
- hanum = NUMDATA(gdth_ctr_vtab[i])->hanum;
- busnum= NUMDATA(gdth_ctr_vtab[i])->busnum;
- if (inout)
- return(gdth_set_info(buffer,length,i,hanum,busnum));
- else
- return(gdth_get_info(buffer,start,offset,length,i,hanum,busnum));
- }
- static int gdth_set_info(char *buffer,int length,int vh,int hanum,int busnum)
- {
- int ret_val;
- #if LINUX_VERSION_CODE >= 0x020322
- Scsi_Cmnd *scp;
- Scsi_Device *sdev;
- #else
- Scsi_Cmnd scp;
- Scsi_Device sdev;
- #endif
- gdth_iowr_str *piowr;
- TRACE2(("gdth_set_info() ha %d bus %dn",hanum,busnum));
- piowr = (gdth_iowr_str *)buffer;
- #if LINUX_VERSION_CODE >= 0x020322
- sdev = scsi_get_host_dev(gdth_ctr_vtab[vh]);
- scp = scsi_allocate_device(sdev, 1, FALSE);
- if (!scp)
- return -ENOMEM;
- scp->cmd_len = 12;
- scp->use_sg = 0;
- #else
- memset(&sdev,0,sizeof(Scsi_Device));
- memset(&scp, 0,sizeof(Scsi_Cmnd));
- sdev.host = scp.host = gdth_ctr_vtab[vh];
- sdev.id = scp.target = sdev.host->this_id;
- scp.device = &sdev;
- #endif
- if (length >= 4) {
- if (strncmp(buffer,"gdth",4) == 0) {
- buffer += 5;
- length -= 5;
- ret_val = gdth_set_asc_info( buffer, length, hanum, scp );
- } else if (piowr->magic == GDTIOCTL_MAGIC) {
- ret_val = gdth_set_bin_info( buffer, length, hanum, scp );
- } else {
- printk("GDT: Wrong signature %x (%x required)!n",
- piowr->magic, GDTIOCTL_MAGIC);
- if (piowr->magic > GDTIOCTL_MAGIC)
- printk("GDT: Please update your driver.n");
- else
- printk("GDT: Please update your tool.n");
- ret_val = -EINVAL;
- }
- } else {
- ret_val = -EINVAL;
- }
- #if LINUX_VERSION_CODE >= 0x020322
- scsi_release_command(scp);
- scsi_free_host_dev(sdev);
- #endif
- return ret_val;
- }
-
- #if LINUX_VERSION_CODE >= 0x020322
- static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Cmnd *scp)
- #else
- static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Cmnd scp)
- #endif
- {
- int orig_length, drive, wb_mode;
- int i, found;
- gdth_ha_str *ha;
- gdth_cmd_str gdtcmd;
- gdth_cpar_str *pcpar;
- char cmnd[MAX_COMMAND_SIZE];
- memset(cmnd, 0xff, 12);
- memset(&gdtcmd, 0, sizeof(gdth_cmd_str));
- TRACE2(("gdth_set_asc_info() ha %dn",hanum));
- ha = HADATA(gdth_ctr_tab[hanum]);
- orig_length = length + 5;
- drive = -1;
- wb_mode = 0;
- found = FALSE;
- if (length >= 5 && strncmp(buffer,"flush",5)==0) {
- buffer += 6;
- length -= 6;
- if (length && *buffer>='0' && *buffer<='9') {
- drive = (int)(*buffer-'0');
- ++buffer; --length;
- if (length && *buffer>='0' && *buffer<='9') {
- drive = drive*10 + (int)(*buffer-'0');
- ++buffer; --length;
- }
- printk("GDT: Flushing host drive %d .. ",drive);
- } else {
- printk("GDT: Flushing all host drives .. ");
- }
- for (i = 0; i < MAX_HDRIVES; ++i) {
- if (ha->hdr[i].present) {
- if (drive != -1 && i != drive)
- continue;
- found = TRUE;
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_FLUSH;
- gdtcmd.u.cache.DeviceNo = i;
- gdtcmd.u.cache.BlockNo = 1;
- #if LINUX_VERSION_CODE >= 0x020322
- gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
- #else
- gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
- #endif
- }
- }
- if (!found)
- printk("nNo host drive found !n");
- else
- printk("Done.n");
- return(orig_length);
- }
- if (length >= 7 && strncmp(buffer,"wbp_off",7)==0) {
- buffer += 8;
- length -= 8;
- printk("GDT: Disabling write back permanently .. ");
- wb_mode = 1;
- } else if (length >= 6 && strncmp(buffer,"wbp_on",6)==0) {
- buffer += 7;
- length -= 7;
- printk("GDT: Enabling write back permanently .. ");
- wb_mode = 2;
- } else if (length >= 6 && strncmp(buffer,"wb_off",6)==0) {
- buffer += 7;
- length -= 7;
- printk("GDT: Disabling write back commands .. ");
- if (ha->cache_feat & GDT_WR_THROUGH) {
- gdth_write_through = TRUE;
- printk("Done.n");
- } else {
- printk("Not supported !n");
- }
- return(orig_length);
- } else if (length >= 5 && strncmp(buffer,"wb_on",5)==0) {
- buffer += 6;
- length -= 6;
- printk("GDT: Enabling write back commands .. ");
- gdth_write_through = FALSE;
- printk("Done.n");
- return(orig_length);
- }
- if (wb_mode) {
- if (!gdth_ioctl_alloc(hanum, sizeof(gdth_cpar_str), TRUE))
- return(-EBUSY);
- pcpar = (gdth_cpar_str *)ha->pscratch;
- memcpy( pcpar, &ha->cpar, sizeof(gdth_cpar_str) );
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_IOCTL;
- gdtcmd.u.ioctl.p_param = virt_to_bus(pcpar);
- gdtcmd.u.ioctl.param_size = sizeof(gdth_cpar_str);
- gdtcmd.u.ioctl.subfunc = CACHE_CONFIG;
- gdtcmd.u.ioctl.channel = INVALID_CHANNEL;
- pcpar->write_back = wb_mode==1 ? 0:1;
- #if LINUX_VERSION_CODE >= 0x020322
- gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
- #else
- gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
- #endif
- gdth_ioctl_free(hanum, ha->pscratch);
- printk("Done.n");
- return(orig_length);
- }
- printk("GDT: Unknown command: %s Length: %dn",buffer,length);
- return(-EINVAL);
- }
- #if LINUX_VERSION_CODE >= 0x020322
- static int gdth_set_bin_info(char *buffer,int length,int hanum,Scsi_Cmnd *scp)
- #else
- static int gdth_set_bin_info(char *buffer,int length,int hanum,Scsi_Cmnd scp)
- #endif
- {
- unchar i, j;
- ushort k, hdr_cnt, status;
- gdth_ha_str *ha;
- gdth_iowr_str *piowr;
- gdth_iord_str *piord;
- gdth_cmd_str *pcmd;
- gdth_evt_str *pevt;
- ulong32 *ppadd, add_size, *ppadd2, add_size2, info;
- ulong flags;
- gdth_cmd_str gdtcmd;
- int drv_cyls, drv_hds, drv_secs;
-
- char cmnd[MAX_COMMAND_SIZE];
- memset(cmnd, 0xff, 12);
- memset(&gdtcmd, 0, sizeof(gdth_cmd_str));
- TRACE2(("gdth_set_bin_info() ha %dn",hanum));
- ha = HADATA(gdth_ctr_tab[hanum]);
- piowr = (gdth_iowr_str *)buffer;
- piord = NULL;
- pcmd = NULL;
- ppadd = ppadd2 = NULL;
- add_size = add_size2 = 0;
- if (length < GDTOFFSOF(gdth_iowr_str,iu))
- return(-EINVAL);
- switch (piowr->ioctl) {
- case GDTIOCTL_GENERAL:
- if (length < GDTOFFSOF(gdth_iowr_str,iu.general.data[0]))
- return(-EINVAL);
- pcmd = (gdth_cmd_str *)piowr->iu.general.command;
- pcmd->Service = piowr->service;
- if (pcmd->OpCode == GDT_IOCTL) {
- ppadd = &pcmd->u.ioctl.p_param;
- add_size = pcmd->u.ioctl.param_size;
- } else if (piowr->service == CACHESERVICE) {
- add_size = pcmd->u.cache.BlockCnt * SECTOR_SIZE;
- if (ha->cache_feat & SCATTER_GATHER) {
- ppadd = &pcmd->u.cache.sg_lst[0].sg_ptr;
- pcmd->u.cache.DestAddr = 0xffffffff;
- pcmd->u.cache.sg_lst[0].sg_len = add_size;
- pcmd->u.cache.sg_canz = 1;
- } else {
- ppadd = &pcmd->u.cache.DestAddr;
- pcmd->u.cache.sg_canz = 0;
- }
- } else if (piowr->service == SCSIRAWSERVICE) {
- add_size = pcmd->u.raw.sdlen;
- add_size2 = pcmd->u.raw.sense_len;
- if (ha->raw_feat & SCATTER_GATHER) {
- ppadd = &pcmd->u.raw.sg_lst[0].sg_ptr;
- pcmd->u.raw.sdata = 0xffffffff;
- pcmd->u.raw.sg_lst[0].sg_len = add_size;
- pcmd->u.raw.sg_ranz = 1;
- } else {
- ppadd = &pcmd->u.raw.sdata;
- pcmd->u.raw.sg_ranz = 0;
- }
- ppadd2 = &pcmd->u.raw.sense_data;
- } else {
- return(-EINVAL);
- }
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str)+add_size+add_size2,
- TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str) + add_size + add_size2;
- if (add_size > 0) {
- memcpy(piord->iu.general.data, piowr->iu.general.data, add_size);
- *ppadd = virt_to_bus(piord->iu.general.data);
- }
- if (add_size2 > 0) {
- memcpy(piord->iu.general.data+add_size, piowr->iu.general.data, add_size2);
- *ppadd2 = virt_to_bus(piord->iu.general.data+add_size);
- }
- /* do IOCTL */
- #if LINUX_VERSION_CODE >= 0x020322
- gdth_do_cmd(scp, pcmd, cmnd, piowr->timeout);
- piord->status = (scp->SCp.Message<<16)|scp->SCp.Status;
- #else
- gdth_do_cmd(&scp, pcmd, cmnd, piowr->timeout);
- piord->status = (scp.SCp.Message<<16)|scp.SCp.Status;
- #endif
- break;
- case GDTIOCTL_DRVERS:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str);
- piord->status = S_OK;
- piord->iu.drvers.version = (GDTH_VERSION<<8) | GDTH_SUBVERSION;
- break;
- case GDTIOCTL_CTRTYPE:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str);
- piord->status = S_OK;
- if (ha->type == GDT_ISA || ha->type == GDT_EISA) {
- piord->iu.ctrtype.type = (unchar)((ha->stype>>20) - 0x10);
- } else {
- if (ha->type != GDT_PCIMPR) {
- piord->iu.ctrtype.type = (unchar)((ha->stype<<4) + 6);
- } else {
- piord->iu.ctrtype.type =
- (ha->oem_id == OEM_ID_INTEL ? 0xfd : 0xfe);
- if (ha->stype >= 0x300)
- piord->iu.ctrtype.ext_type = 0x6000 | ha->subdevice_id;
- else
- piord->iu.ctrtype.ext_type = 0x6000 | ha->stype;
- }
- piord->iu.ctrtype.device_id = ha->stype;
- piord->iu.ctrtype.sub_device_id = ha->subdevice_id;
- }
- piord->iu.ctrtype.info = ha->brd_phys;
- piord->iu.ctrtype.oem_id = ha->oem_id;
- break;
- case GDTIOCTL_CTRCNT:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str);
- piord->status = S_OK;
- piord->iu.ctrcnt.count = (ushort)gdth_ctr_count;
- break;
- case GDTIOCTL_OSVERS:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str);
- piord->status = S_OK;
- piord->iu.osvers.version = (unchar)(LINUX_VERSION_CODE >> 16);
- piord->iu.osvers.subversion = (unchar)(LINUX_VERSION_CODE >> 8);
- piord->iu.osvers.revision = (ushort)(LINUX_VERSION_CODE & 0xff);
- break;
- case GDTIOCTL_LOCKDRV:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- for (i = 0; i < piowr->iu.lockdrv.drive_cnt; ++i) {
- j = piowr->iu.lockdrv.drives[i];
- if (j >= MAX_HDRIVES || !ha->hdr[j].present)
- continue;
- if (piowr->iu.lockdrv.lock) {
- GDTH_LOCK_HA(ha, flags);
- ha->hdr[j].lock = 1;
- GDTH_UNLOCK_HA(ha, flags);
- gdth_wait_completion( hanum, ha->bus_cnt, j );
- gdth_stop_timeout( hanum, ha->bus_cnt, j );
- } else {
- GDTH_LOCK_HA(ha, flags);
- ha->hdr[j].lock = 0;
- GDTH_UNLOCK_HA(ha, flags);
- gdth_start_timeout( hanum, ha->bus_cnt, j );
- gdth_next( hanum );
- }
- }
- piord->size = sizeof(gdth_iord_str);
- piord->status = S_OK;
- break;
- case GDTIOCTL_LOCKCHN:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- i = piowr->iu.lockchn.channel;
- if (i < ha->bus_cnt) {
- if (piowr->iu.lockchn.lock) {
- GDTH_LOCK_HA(ha, flags);
- ha->raw[i].lock = 1;
- GDTH_UNLOCK_HA(ha, flags);
- for (j = 0; j < ha->tid_cnt; ++j) {
- gdth_wait_completion( hanum, i, j );
- gdth_stop_timeout( hanum, i, j );
- }
- } else {
- GDTH_LOCK_HA(ha, flags);
- ha->raw[i].lock = 0;
- GDTH_UNLOCK_HA(ha, flags);
- for (j = 0; j < ha->tid_cnt; ++j) {
- gdth_start_timeout( hanum, i, j );
- gdth_next( hanum );
- }
- }
- }
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str);
- piord->status = S_OK;
- break;
- case GDTIOCTL_EVENT:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- if (piowr->iu.event.erase == 0xff) {
- pevt = (gdth_evt_str *)piowr->iu.event.evt;
- if (pevt->event_source == ES_TEST)
- pevt->event_data.size = sizeof(pevt->event_data.eu.test);
- else if (pevt->event_source == ES_DRIVER)
- pevt->event_data.size = sizeof(pevt->event_data.eu.driver);
- else if (pevt->event_source == ES_SYNC)
- pevt->event_data.size = sizeof(pevt->event_data.eu.sync);
- else {
- pevt->event_data.size = sizeof(pevt->event_data.eu.async);
- gdth_log_event(&pevt->event_data, NULL);
- }
- GDTH_LOCK_HA(ha, flags);
- gdth_store_event(ha, pevt->event_source, pevt->event_idx,
- &pevt->event_data);
- GDTH_UNLOCK_HA(ha, flags);
- } else if (piowr->iu.event.erase == 0xfe) {
- gdth_clear_events();
- } else if (piowr->iu.event.erase == 0) {
- piord->iu.event.handle =
- gdth_read_event(ha,piowr->iu.event.handle,
- (gdth_evt_str *)piord->iu.event.evt);
- } else {
- piord->iu.event.handle = piowr->iu.event.handle;
- gdth_readapp_event(ha, (unchar)piowr->iu.event.erase,
- (gdth_evt_str *)piord->iu.event.evt);
- }
- piord->size = sizeof(gdth_iord_str);
- piord->status = S_OK;
- break;
- case GDTIOCTL_SCSI:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str);
- memcpy(cmnd, piowr->iu.scsi.cmd, 12);
- #if LINUX_VERSION_CODE >= 0x020322
- scp->target = piowr->iu.scsi.target;
- scp->channel = virt_ctr ? 0 : piowr->iu.scsi.bus;
- scp->cmd_len = piowr->iu.scsi.cmd_len;
- gdth_do_cmd(scp, pcmd, cmnd, piowr->timeout);
- piord->status = (scp->SCp.Message<<16)|scp->SCp.Status;
- #else
- scp.target = piowr->iu.scsi.target;
- scp.channel = virt_ctr ? 0 : piowr->iu.scsi.bus;
- scp.cmd_len = piowr->iu.scsi.cmd_len;
- gdth_do_cmd(&scp, pcmd, cmnd, piowr->timeout);
- piord->status = (scp.SCp.Message<<16)|scp.SCp.Status;
- #endif
- break;
- case GDTIOCTL_RESET_BUS:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str);
- #if LINUX_VERSION_CODE >= 0x020322
- scp->channel = virt_ctr ? 0 : piowr->iu.scsi.bus;
- piord->status = (ulong32)gdth_eh_bus_reset( scp );
- if (piord->status == SUCCESS)
- piord->status = S_OK;
- else
- piord->status = S_GENERR;
- #elif LINUX_VERSION_CODE >= 0x02015F
- scp.channel = virt_ctr ? 0 : piowr->iu.scsi.bus;
- piord->status = (ulong32)gdth_eh_bus_reset( &scp );
- if (piord->status == SUCCESS)
- piord->status = S_OK;
- else
- piord->status = S_GENERR;
- #else
- piord->status = S_OK;
- #endif
- break;
- case GDTIOCTL_HDRLIST:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str);
- piord->status = S_OK;
- for (i = 0; i < MAX_HDRIVES; ++i) {
- if (ha->hdr[i].present) {
- piord->iu.hdr_list[i].bus = ha->virt_bus;
- piord->iu.hdr_list[i].target = i;
- piord->iu.hdr_list[i].lun = 0;
- piord->iu.hdr_list[i].cluster_type = ha->hdr[i].cluster_type;
- if (ha->hdr[i].cluster_type & CLUSTER_DRIVE) {
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_CLUST_INFO;
- gdtcmd.u.cache.DeviceNo = i;
- #if LINUX_VERSION_CODE >= 0x020322
- gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
- if (scp->SCp.Status == S_OK)
- piord->iu.hdr_list[i].cluster_type =
- (unchar)scp->SCp.Message;
- #else
- gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
- if (scp.SCp.Status == S_OK)
- piord->iu.hdr_list[i].cluster_type =
- (unchar)scp.SCp.Message;
- #endif
- }
- } else {
- piord->iu.hdr_list[i].bus = 0xff;
- }
- }
- break;
- case GDTIOCTL_RESCAN:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str);
- piord->status = S_OK;
- if (piowr->iu.rescan.flag == 0) {
- /* old method: scan all host drives
- re-initialize cache service to get host drive count
- */
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_INIT;
- gdtcmd.u.cache.DeviceNo = LINUX_OS;
- #if LINUX_VERSION_CODE >= 0x020322
- gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
- status = (ushort)scp->SCp.Status;
- info = (ulong32)scp->SCp.Message;
- #else
- gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
- status = (ushort)scp.SCp.Status;
- info = (ulong32)scp.SCp.Message;
- #endif
- if (status != S_OK)
- break;
- k = 0;
- hdr_cnt = (ushort)info;
- } else {
- k = piowr->iu.rescan.hdr_no;
- hdr_cnt = k + 1;
- }
- if (hdr_cnt > MAX_HDRIVES)
- hdr_cnt = MAX_HDRIVES;
- /* scanning for host drives */
- for (; k < hdr_cnt; ++k) {
- /* info about host drive */
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_INFO;
- gdtcmd.u.cache.DeviceNo = k;
- #if LINUX_VERSION_CODE >= 0x020322
- gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
- status = (ushort)scp->SCp.Status;
- info = (ulong32)scp->SCp.Message;
- #else
- gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
- status = (ushort)scp.SCp.Status;
- info = (ulong32)scp.SCp.Message;
- #endif
- GDTH_LOCK_HA(ha, flags);
- piord->iu.hdr_list[k].bus = ha->virt_bus;
- piord->iu.hdr_list[k].target = k;
- piord->iu.hdr_list[k].lun = 0;
- if (status != S_OK) {
- ha->hdr[k].present = FALSE;
- } else {
- ha->hdr[k].present = TRUE;
- ha->hdr[k].size = info;
- /* evaluate mapping (sectors per head, heads per cylinder) */
- ha->hdr[k].size &= ~SECS32;
- gdth_eval_mapping(ha->hdr[k].size,&drv_cyls,&drv_hds,&drv_secs);
- ha->hdr[k].heads = (unchar)drv_hds;
- ha->hdr[k].secs = (unchar)drv_secs;
- /* round size */
- ha->hdr[k].size = drv_cyls * drv_hds * drv_secs;
- }
- GDTH_UNLOCK_HA(ha, flags);
- if (status != S_OK)
- continue; /* next host drive */
- /* devtype, cluster info, R/W attributes */
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_DEVTYPE;
- gdtcmd.u.cache.DeviceNo = k;
- #if LINUX_VERSION_CODE >= 0x020322
- gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
- status = (ushort)scp->SCp.Status;
- info = (ulong32)scp->SCp.Message;
- #else
- gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
- status = (ushort)scp.SCp.Status;
- info = (ulong32)scp.SCp.Message;
- #endif
- GDTH_LOCK_HA(ha, flags);
- ha->hdr[k].devtype = 0;
- if (status == S_OK)
- ha->hdr[k].devtype = (ushort)info;
- GDTH_UNLOCK_HA(ha, flags);
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_CLUST_INFO;
- gdtcmd.u.cache.DeviceNo = k;
- #if LINUX_VERSION_CODE >= 0x020322
- gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
- status = (ushort)scp->SCp.Status;
- info = (ulong32)scp->SCp.Message;
- #else
- gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
- status = (ushort)scp.SCp.Status;
- info = (ulong32)scp.SCp.Message;
- #endif
- GDTH_LOCK_HA(ha, flags);
- ha->hdr[k].cluster_type = 0;
- if (status == S_OK && !shared_access)
- ha->hdr[k].cluster_type = (ushort)info;
- GDTH_UNLOCK_HA(ha, flags);
- piord->iu.hdr_list[k].cluster_type = ha->hdr[k].cluster_type;
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_RW_ATTRIBS;
- gdtcmd.u.cache.DeviceNo = k;
- #if LINUX_VERSION_CODE >= 0x020322
- gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
- status = (ushort)scp->SCp.Status;
- info = (ulong32)scp->SCp.Message;
- #else
- gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
- status = (ushort)scp.SCp.Status;
- info = (ulong32)scp.SCp.Message;
- #endif
- GDTH_LOCK_HA(ha, flags);
- ha->hdr[k].rw_attribs = 0;
- if (status == S_OK)
- ha->hdr[k].rw_attribs = (ushort)info;
- GDTH_UNLOCK_HA(ha, flags);
- }
- break;
- case GDTIOCTL_RESET_DRV:
- if (!gdth_ioctl_alloc( hanum, sizeof(gdth_iord_str), TRUE ))
- return(-EBUSY);
- piord = (gdth_iord_str *)ha->pscratch;
- piord->size = sizeof(gdth_iord_str);
- piord->status = S_OK;
- i = piowr->iu.scsi.target;
- if (ha->hdr[i].present) {
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_CLUST_RESET;
- gdtcmd.u.cache.DeviceNo = i;
- #if LINUX_VERSION_CODE >= 0x020322
- gdth_do_cmd(scp, &gdtcmd, cmnd, 30);
- piord->status = (scp->SCp.Message<<16)|scp->SCp.Status;
- #else
- gdth_do_cmd(&scp, &gdtcmd, cmnd, 30);
- piord->status = (scp.SCp.Message<<16)|scp.SCp.Status;
- #endif
- }
- break;
- default:
- return(-EINVAL);
- }
- return length;
- }
- static int gdth_get_info(char *buffer,char **start,off_t offset,
- int length,int vh,int hanum,int busnum)
- {
- int size = 0,len = 0;
- off_t begin = 0,pos = 0;
- gdth_ha_str *ha;
- gdth_iord_str *piord;
- int id, i, j, k, sec, flag;
- int no_mdrv = 0, drv_no, is_mirr;
- ulong32 cnt;
- gdth_cmd_str gdtcmd;
- gdth_evt_str estr;
- #if LINUX_VERSION_CODE >= 0x020322
- Scsi_Cmnd *scp;
- Scsi_Device *sdev;
- #else
- Scsi_Cmnd scp;
- Scsi_Device sdev;
- #endif
- char hrec[161];
- struct timeval tv;
- char *buf;
- gdth_dskstat_str *pds;
- gdth_diskinfo_str *pdi;
- gdth_arrayinf_str *pai;
- gdth_defcnt_str *pdef;
- gdth_cdrinfo_str *pcdi;
- gdth_hget_str *phg;
- char cmnd[MAX_COMMAND_SIZE];
- memset(cmnd, 0xff, 12);
- memset(&gdtcmd, 0, sizeof(gdth_cmd_str));
- TRACE2(("gdth_get_info() ha %d bus %dn",hanum,busnum));
- ha = HADATA(gdth_ctr_tab[hanum]);
- #if LINUX_VERSION_CODE >= 0x020322
- sdev = scsi_get_host_dev(gdth_ctr_vtab[vh]);
- scp = scsi_allocate_device(sdev, 1, FALSE);
- if (!scp)
- return -ENOMEM;
- scp->cmd_len = 12;
- scp->use_sg = 0;
- #else
- memset(&sdev,0,sizeof(Scsi_Device));
- memset(&scp, 0,sizeof(Scsi_Cmnd));
- sdev.host = scp.host = gdth_ctr_vtab[vh];
- sdev.id = scp.target = sdev.host->this_id;
- scp.device = &sdev;
- #endif
- /* ioctl from tool? */
- if (!gdth_ioctl_check_bin(hanum, (ushort)length)) {
- /* request is i.e. "cat /proc/scsi/gdth/0" */
- /* format: %-15st%-10st%-15st%s */
- /* driver parameters */
- size = sprintf(buffer+len,"Driver Parameters:n");
- len += size; pos = begin + len;
- if (reserve_list[0] == 0xff)
- strcpy(hrec, "--");
- else {
- sprintf(hrec, "%d", reserve_list[0]);
- for (i = 1; i < MAX_RES_ARGS; i++) {
- if (reserve_list[i] == 0xff)
- break;
- sprintf(hrec,"%s,%d", hrec, reserve_list[i]);
- }
- }
- size = sprintf(buffer+len,
- " reserve_mode: t%d treserve_list: t%sn",
- reserve_mode, hrec);
- len += size; pos = begin + len;
- size = sprintf(buffer+len,
- " max_ids: t%-3d thdr_channel: t%dn",
- max_ids, hdr_channel);
- len += size; pos = begin + len;
- /* controller information */
- size = sprintf(buffer+len,"nDisk Array Controller Information:n");
- len += size; pos = begin + len;
- if (virt_ctr)
- sprintf(hrec, "%s (Bus %d)", ha->binfo.type_string, busnum);
- else
- strcpy(hrec, ha->binfo.type_string);
- size = sprintf(buffer+len,
- " Number: t%d tName: t%sn",
- hanum, hrec);
- len += size; pos = begin + len;
- if (ha->more_proc)
- sprintf(hrec, "%d.%02d.%02d-%c%03X",
- (unchar)(ha->binfo.upd_fw_ver>>24),
- (unchar)(ha->binfo.upd_fw_ver>>16),
- (unchar)(ha->binfo.upd_fw_ver),
- ha->bfeat.raid ? 'R':'N',
- ha->binfo.upd_revision);
- else
- sprintf(hrec, "%d.%02d", (unchar)(ha->cpar.version>>8),
- (unchar)(ha->cpar.version));
- size = sprintf(buffer+len,
- " Driver Ver.: t%-10stFirmware Ver.: t%sn",
- GDTH_VERSION_STR, hrec);
- len += size; pos = begin + len;
-
- if (pos < offset) {
- len = 0;
- begin = pos;
- }
- if (pos > offset + length)
- goto stop_output;
- if (ha->more_proc) {
- /* more information: 1. about controller */
- size = sprintf(buffer+len,
- " Serial No.: t0x%8XtCache RAM size:t%d KBn",
- ha->binfo.ser_no, ha->binfo.memsize / 1024);
- len += size; pos = begin + len;
- /* 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);
- if (!buf)
- goto stop_output;
- for (i = 0; i < ha->bus_cnt; ++i) {
- /* 2.a statistics (and retries/reassigns) */
- TRACE2(("pdr_statistics() chn %dn",i));
- pds = (gdth_dskstat_str *)(buf + GDTH_SCRATCH/4);
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_IOCTL;
- gdtcmd.u.ioctl.p_param = virt_to_bus(pds);
- 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 >= 0x020322
- 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 %dn",
- i, ha->raw[i].id_list[j]));
- pdi = (gdth_diskinfo_str *)buf;
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_IOCTL;
- gdtcmd.u.ioctl.p_param = virt_to_bus(pdi);
- 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 >= 0x020322
- 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%sn",
- '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%sn",
- 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%dn",
- 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 %dn",
- i, ha->raw[i].id_list[j]));
- pdef = (gdth_defcnt_str *)buf;
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_IOCTL;
- gdtcmd.u.ioctl.p_param = virt_to_bus(pdef);
- 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 >= 0x020322
- 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%dn",
- 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, buf);
- 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);
- 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 %dn",drv_no));
- pcdi = (gdth_cdrinfo_str *)buf;
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_IOCTL;
- gdtcmd.u.ioctl.p_param = virt_to_bus(pcdi);
- 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 >= 0x020322
- 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%sn",
- 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%sn",
- 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%sn",
- 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%dn",
- 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%sn", hrec);
- len += size; pos = begin + len;
- if (pos < offset) {
- len = 0;
- begin = pos;
- }
- if (pos > offset + length)
- goto stop_output;
- }
- gdth_ioctl_free(hanum, buf);
-
- 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);
- 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 %dn",i));
- pai = (gdth_arrayinf_str *)buf;
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_IOCTL;
- gdtcmd.u.ioctl.p_param = virt_to_bus(pai);
- 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 >= 0x020322
- 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%sn",
- 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%sn",
- 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, buf);
-
- 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, GDTH_SCRATCH, FALSE);
- 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 %dn",i));
- phg = (gdth_hget_str *)buf;
- gdtcmd.Service = CACHESERVICE;
- gdtcmd.OpCode = GDT_IOCTL;
- gdtcmd.u.ioctl.p_param = virt_to_bus(phg);
- 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 >= 0x020322
- 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
- {
- ha->hdr[i].ldr_no = i;
- ha->hdr[i].rw_attribs = 0;
- ha->hdr[i].start_sec = 0;
- } else {
- for (j = 0; j < phg->entries; ++j) {
- k = phg->entry[j].host_drive;
- if (k >= MAX_LDRIVES)
- continue;
- ha->hdr[k].ldr_no = phg->entry[j].log_drive;
- ha->hdr[k].rw_attribs = phg->entry[j].rw_attribs;
- ha->hdr[k].start_sec = phg->entry[j].start_sec;
- }
- }
- }
- gdth_ioctl_free(hanum, buf);
- for (i = 0; i < MAX_HDRIVES; ++i) {
- if (!(ha->hdr[i].present))
- continue;
-
- size = sprintf(buffer+len,
- "n Number: t%-2d tArr/Log. Drive:t%dn",
- i, ha->hdr[i].ldr_no);
- len += size; pos = begin + len;
- flag = TRUE;
- size = sprintf(buffer+len,
- " Capacity [MB]:t%-6d tStart Sector: t%dn",
- ha->hdr[i].size/2048, ha->hdr[i].start_sec);
- len += size; pos = begin + len;
- if (pos < offset) {
- len = 0;
- begin = pos;
- }
- if (pos > offset + length)
- goto stop_output;
- }
-
- if (!flag) {
- size = sprintf(buffer+len, "n --n");
- len += size; pos = begin + len;
- }
- }
- /* controller events */
- size = sprintf(buffer+len,"nController Events:n");
- len += size; pos = begin + len;
- for (id = -1;;) {
- id = gdth_read_event(ha, id, &estr);
- if (estr.event_source == 0)
- break;
- if (estr.event_data.eu.driver.ionode == hanum &&
- estr.event_source == ES_ASYNC) {
- gdth_log_event(&estr.event_data, hrec);
- do_gettimeofday(&tv);
- sec = (int)(tv.tv_sec - estr.first_stamp);
- if (sec < 0) sec = 0;
- size = sprintf(buffer+len," date- %02d:%02d:%02dt%sn",
- sec/3600, sec%3600/60, sec%60, hrec);
- len += size; pos = begin + len;
- if (pos < offset) {
- len = 0;
- begin = pos;
- }
- if (pos > offset + length)
- goto stop_output;
- }
- if (id == -1)
- break;
- }
- } else {
- /* request from tool (GDTMON,..) */
- piord = (gdth_iord_str *)ha->pscratch;
- if (piord == NULL)
- goto stop_output;
- length = piord->size;
- memcpy(buffer+len, (char *)piord, length);
- gdth_ioctl_free(hanum, ha->pscratch);
- len = length;
- }
- stop_output:
- #if LINUX_VERSION_CODE >= 0x020322
- scsi_release_command(scp);
- scsi_free_host_dev(sdev);
- #endif
- *start = buffer +(offset-begin);
- len -= (offset-begin);
- if (len > length)
- len = length;
- TRACE2(("get_info() len %d pos %d begin %d offset %d length %d size %dn",
- len,(int)pos,(int)begin,(int)offset,length,size));
- return(len);
- }
- static void gdth_do_cmd(Scsi_Cmnd *scp, gdth_cmd_str *gdtcmd,
- char *cmnd, int timeout)
- {
- unsigned bufflen;
- #if LINUX_VERSION_CODE >= 0x020407
- DECLARE_COMPLETION(wait);
- #elif LINUX_VERSION_CODE >= 0x020322
- DECLARE_MUTEX_LOCKED(sem);
- #else
- struct semaphore sem = MUTEX_LOCKED;
- #endif
- TRACE2(("gdth_do_cmd()n"));
- if (gdtcmd != NULL) {
- scp->SCp.this_residual = IOCTL_PRI;
- bufflen = sizeof(gdth_cmd_str);
- } else {
- scp->SCp.this_residual = DEFAULT_PRI;
- bufflen = 0;
- }
- scp->request.rq_status = RQ_SCSI_BUSY;
- #if LINUX_VERSION_CODE >= 0x020407
- scp->request.waiting = &wait;
- scsi_do_cmd(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1);
- wait_for_completion(&wait);
- #else
- scp->request.sem = &sem;
- #if LINUX_VERSION_CODE >= 0x020322
- scsi_do_cmd(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1);
- #else
- GDTH_LOCK_SCSI_DOCMD();
- scsi_do_cmd(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1);
- GDTH_UNLOCK_SCSI_DOCMD();
- #endif
- down(&sem);
- #endif
- }
- void gdth_scsi_done(Scsi_Cmnd *scp)
- {
- TRACE2(("gdth_scsi_done()n"));
- scp->request.rq_status = RQ_SCSI_DONE;
- #if LINUX_VERSION_CODE >= 0x020407
- if (scp->request.waiting != NULL)
- complete(scp->request.waiting);
- #else
- if (scp->request.sem != NULL)
- up(scp->request.sem);
- #endif
- }
- static char *gdth_ioctl_alloc(int hanum, ushort size, int scratch)
- {
- gdth_ha_str *ha;
- ulong flags;
- char *ret_val;
- if (size == 0 || size > GDTH_SCRATCH)
- return FALSE;
- ha = HADATA(gdth_ctr_tab[hanum]);
- GDTH_LOCK_HA(ha, flags);
- if (scratch) {
- if (!ha->scratch_busy) {
- ha->scratch_busy = TRUE;
- ret_val = ha->pscratch;
- } else
- ret_val = NULL;
- } else {
- #if LINUX_VERSION_CODE >= 0x020322
- ret_val = (void *) __get_free_pages(GFP_ATOMIC | GFP_DMA,
- GDTH_SCRATCH_ORD);
- #else
- ret_val = scsi_init_malloc(GDTH_SCRATCH, GFP_ATOMIC | GFP_DMA);
- #endif
- }
- GDTH_UNLOCK_HA(ha, flags);
- return ret_val;
- }
- static void gdth_ioctl_free(int hanum, char *buf)
- {
- gdth_ha_str *ha;
- ulong flags;
- ha = HADATA(gdth_ctr_tab[hanum]);
- GDTH_LOCK_HA(ha, flags);
- if (buf == ha->pscratch) {
- ha->scratch_busy = FALSE;
- } else {
- #if LINUX_VERSION_CODE >= 0x020322
- free_pages((unsigned long)buf, GDTH_SCRATCH_ORD);
- #else
- scsi_init_free((void *)buf, GDTH_SCRATCH);
- #endif
- }
- GDTH_UNLOCK_HA(ha, flags);
- }
- static int gdth_ioctl_check_bin(int hanum, ushort size)
- {
- gdth_ha_str *ha;
- ulong flags;
- int ret_val;
- ha = HADATA(gdth_ctr_tab[hanum]);
- GDTH_LOCK_HA(ha, flags);
- ret_val = FALSE;
- if (ha->scratch_busy) {
- if (((gdth_iord_str *)ha->pscratch)->size == (ulong32)size)
- ret_val = TRUE;
- }
- GDTH_UNLOCK_HA(ha, flags);
- return ret_val;
- }
- static void gdth_wait_completion(int hanum, int busnum, int id)
- {
- gdth_ha_str *ha;
- ulong flags;
- int i;
- Scsi_Cmnd *scp;
- unchar b;
- ha = HADATA(gdth_ctr_tab[hanum]);
- GDTH_LOCK_HA(ha, flags);
- for (i = 0; i < GDTH_MAXCMDS; ++i) {
- scp = ha->cmd_tab[i].cmnd;
- b = virt_ctr ? NUMDATA(scp->host)->busnum : scp->channel;
- if (!SPECIAL_SCP(scp) && scp->target == (unchar)id &&
- b == (unchar)busnum) {
- scp->SCp.have_data_in = 0;
- GDTH_UNLOCK_HA(ha, flags);
- while (!scp->SCp.have_data_in)
- barrier();
- GDTH_LOCK_SCSI_DONE(flags);
- scp->scsi_done(scp);
- GDTH_UNLOCK_SCSI_DONE(flags);
- GDTH_LOCK_HA(ha, flags);
- }
- }
- GDTH_UNLOCK_HA(ha, flags);
- }
- static void gdth_stop_timeout(int hanum, int busnum, int id)
- {
- gdth_ha_str *ha;
- ulong flags;
- Scsi_Cmnd *scp;
- unchar b;
- ha = HADATA(gdth_ctr_tab[hanum]);
- GDTH_LOCK_HA(ha, flags);
- for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) {
- b = virt_ctr ? NUMDATA(scp->host)->busnum : scp->channel;
- if (scp->target == (unchar)id && b == (unchar)busnum) {
- TRACE2(("gdth_stop_timeout(): update_timeout()n"));
- scp->SCp.buffers_residual = gdth_update_timeout(hanum, scp, 0);
- }
- }
- GDTH_UNLOCK_HA(ha, flags);
- }
- static void gdth_start_timeout(int hanum, int busnum, int id)
- {
- gdth_ha_str *ha;
- ulong flags;
- Scsi_Cmnd *scp;
- unchar b;
- ha = HADATA(gdth_ctr_tab[hanum]);
- GDTH_LOCK_HA(ha, flags);
- for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) {
- b = virt_ctr ? NUMDATA(scp->host)->busnum : scp->channel;
- if (scp->target == (unchar)id && b == (unchar)busnum) {
- TRACE2(("gdth_start_timeout(): update_timeout()n"));
- gdth_update_timeout(hanum, scp, scp->SCp.buffers_residual);
- }
- }
- GDTH_UNLOCK_HA(ha, flags);
- }
- static int gdth_update_timeout(int hanum, Scsi_Cmnd *scp, int timeout)
- {
- int oldto;
- oldto = scp->timeout_per_command;
- scp->timeout_per_command = timeout;
- #if LINUX_VERSION_CODE >= 0x02014B
- if (timeout == 0) {
- del_timer(&scp->eh_timeout);
- scp->eh_timeout.data = (unsigned long) NULL;
- scp->eh_timeout.expires = 0;
- } else {
- if (scp->eh_timeout.data != (unsigned long) NULL)
- del_timer(&scp->eh_timeout);
- scp->eh_timeout.data = (unsigned long) scp;
- scp->eh_timeout.expires = jiffies + timeout;
- add_timer(&scp->eh_timeout);
- }
- #else
- if (timeout > 0) {
- if (timer_table[SCSI_TIMER].expires == 0) {
- timer_table[SCSI_TIMER].expires = jiffies + timeout;
- timer_active |= 1 << SCSI_TIMER;
- } else {
- if (time_before(jiffies + timeout, timer_table[SCSI_TIMER].expires))
- timer_table[SCSI_TIMER].expires = jiffies + timeout;
- }
- }
- #endif
- return oldto;
- }