X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fscsi%2Fatari_NCR5380.c;h=93b61f148653c5507dc076151c26fde0af73f14c;hb=04489eeb02a40bc15029886cef7285ada3ab0de6;hp=eff846ae0aff62ffd15394f0b35de6ba8cad8728;hpb=c6799ade4ae04b53a5f677e5289116155ff01574;p=linux-2.6 diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c index eff846ae0a..93b61f1486 100644 --- a/drivers/scsi/atari_NCR5380.c +++ b/drivers/scsi/atari_NCR5380.c @@ -477,10 +477,9 @@ static void merge_contiguous_buffers(Scsi_Cmnd *cmd) for (endaddr = virt_to_phys(cmd->SCp.ptr + cmd->SCp.this_residual - 1) + 1; cmd->SCp.buffers_residual && - virt_to_phys(page_address(cmd->SCp.buffer[1].page) + - cmd->SCp.buffer[1].offset) == endaddr;) { + virt_to_phys(sg_virt(&cmd->SCp.buffer[1])) == endaddr;) { MER_PRINTK("VTOP(%p) == %08lx -> merging\n", - page_address(cmd->SCp.buffer[1].page), endaddr); + page_address(sg_page(&cmd->SCp.buffer[1])), endaddr); #if (NDEBUG & NDEBUG_MERGING) ++cnt; #endif @@ -512,11 +511,10 @@ static inline void initialize_SCp(Scsi_Cmnd *cmd) * various queues are valid. */ - if (cmd->use_sg) { - cmd->SCp.buffer = (struct scatterlist *)cmd->request_buffer; - cmd->SCp.buffers_residual = cmd->use_sg - 1; - cmd->SCp.ptr = (char *)page_address(cmd->SCp.buffer->page) + - cmd->SCp.buffer->offset; + if (scsi_bufflen(cmd)) { + cmd->SCp.buffer = scsi_sglist(cmd); + cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; /* ++roman: Try to merge some scatter-buffers if they are at * contiguous physical addresses. @@ -525,8 +523,8 @@ static inline void initialize_SCp(Scsi_Cmnd *cmd) } else { cmd->SCp.buffer = NULL; cmd->SCp.buffers_residual = 0; - cmd->SCp.ptr = (char *)cmd->request_buffer; - cmd->SCp.this_residual = cmd->request_bufflen; + cmd->SCp.ptr = NULL; + cmd->SCp.this_residual = 0; } } @@ -893,45 +891,6 @@ static int NCR5380_init(struct Scsi_Host *instance, int flags) return 0; } -/* - * our own old-style timeout update - */ -/* - * The strategy is to cause the timer code to call scsi_times_out() - * when the soonest timeout is pending. - * The arguments are used when we are queueing a new command, because - * we do not want to subtract the time used from this time, but when we - * set the timer, we want to take this value into account. - */ - -int atari_scsi_update_timeout(Scsi_Cmnd * SCset, int timeout) -{ - int rtn; - - /* - * We are using the new error handling code to actually register/deregister - * timers for timeout. - */ - - if (!timer_pending(&SCset->eh_timeout)) - rtn = 0; - else - rtn = SCset->eh_timeout.expires - jiffies; - - if (timeout == 0) { - del_timer(&SCset->eh_timeout); - SCset->eh_timeout.data = (unsigned long)NULL; - SCset->eh_timeout.expires = 0; - } else { - if (SCset->eh_timeout.data != (unsigned long)NULL) - del_timer(&SCset->eh_timeout); - SCset->eh_timeout.data = (unsigned long)SCset; - SCset->eh_timeout.expires = jiffies + timeout; - add_timer(&SCset->eh_timeout); - } - return rtn; -} - /* * Function : int NCR5380_queue_command (Scsi_Cmnd *cmd, * void (*done)(Scsi_Cmnd *)) @@ -956,7 +915,6 @@ static int NCR5380_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *)) Scsi_Cmnd *tmp; int oldto; unsigned long flags; - // extern int update_timeout(Scsi_Cmnd * SCset, int timeout); #if (NDEBUG & NDEBUG_NO_WRITE) switch (cmd->cmnd[0]) { @@ -978,21 +936,21 @@ static int NCR5380_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *)) } # endif # ifdef NCR5380_STAT_LIMIT - if (cmd->request_bufflen > NCR5380_STAT_LIMIT) + if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT) # endif switch (cmd->cmnd[0]) { case WRITE: case WRITE_6: case WRITE_10: hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase); - hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen; + hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd); hostdata->pendingw++; break; case READ: case READ_6: case READ_10: hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase); - hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen; + hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd); hostdata->pendingr++; break; } @@ -1029,9 +987,9 @@ static int NCR5380_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *)) * alter queues and touch the lock. */ if (!IS_A_TT()) { - oldto = atari_scsi_update_timeout(cmd, 0); + /* perhaps stop command timer here */ falcon_get_lock(); - atari_scsi_update_timeout(cmd, oldto); + /* perhaps restart command timer here */ } if (!(hostdata->issue_queue) || (cmd->cmnd[0] == REQUEST_SENSE)) { LIST(cmd, hostdata->issue_queue); @@ -1394,21 +1352,21 @@ static irqreturn_t NCR5380_intr(int irq, void *dev_id) static void collect_stats(struct NCR5380_hostdata* hostdata, Scsi_Cmnd *cmd) { # ifdef NCR5380_STAT_LIMIT - if (cmd->request_bufflen > NCR5380_STAT_LIMIT) + if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT) # endif switch (cmd->cmnd[0]) { case WRITE: case WRITE_6: case WRITE_10: hostdata->time_write[cmd->device->id] += (jiffies - hostdata->timebase); - /*hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;*/ + /*hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd);*/ hostdata->pendingw--; break; case READ: case READ_6: case READ_10: hostdata->time_read[cmd->device->id] += (jiffies - hostdata->timebase); - /*hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;*/ + /*hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd);*/ hostdata->pendingr--; break; } @@ -1910,7 +1868,7 @@ static int do_abort(struct Scsi_Host *host) * the target sees, so we just handshake. */ - while (!(tmp = NCR5380_read(STATUS_REG)) & SR_REQ) + while (!((tmp = NCR5380_read(STATUS_REG)) & SR_REQ)) ; NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp)); @@ -2081,7 +2039,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) sink = 1; do_abort(instance); cmd->result = DID_ERROR << 16; - cmd->done(cmd); + cmd->scsi_done(cmd); return; #endif case PHASE_DATAIN: @@ -2094,8 +2052,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) ++cmd->SCp.buffer; --cmd->SCp.buffers_residual; cmd->SCp.this_residual = cmd->SCp.buffer->length; - cmd->SCp.ptr = page_address(cmd->SCp.buffer->page) + - cmd->SCp.buffer->offset; + cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); /* ++roman: Try to merge some scatter-buffers if * they are at contiguous physical addresses. */ @@ -2140,7 +2097,7 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) sink = 1; do_abort(instance); cmd->result = DID_ERROR << 16; - cmd->done(cmd); + cmd->scsi_done(cmd); /* XXX - need to source or sink data here, as appropriate */ } else { #ifdef REAL_DMA @@ -2275,24 +2232,17 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16); #ifdef AUTOSENSE + if ((cmd->cmnd[0] == REQUEST_SENSE) && + hostdata->ses.cmd_len) { + scsi_eh_restore_cmnd(cmd, &hostdata->ses); + hostdata->ses.cmd_len = 0 ; + } + if ((cmd->cmnd[0] != REQUEST_SENSE) && (status_byte(cmd->SCp.Status) == CHECK_CONDITION)) { + scsi_eh_prep_cmnd(cmd, &hostdata->ses, NULL, 0, ~0); + ASEN_PRINTK("scsi%d: performing request sense\n", HOSTNO); - cmd->cmnd[0] = REQUEST_SENSE; - cmd->cmnd[1] &= 0xe0; - cmd->cmnd[2] = 0; - cmd->cmnd[3] = 0; - cmd->cmnd[4] = sizeof(cmd->sense_buffer); - cmd->cmnd[5] = 0; - cmd->cmd_len = COMMAND_SIZE(cmd->cmnd[0]); - - cmd->use_sg = 0; - /* this is initialized from initialize_SCp - cmd->SCp.buffer = NULL; - cmd->SCp.buffers_residual = 0; - */ - cmd->request_buffer = (char *) cmd->sense_buffer; - cmd->request_bufflen = sizeof(cmd->sense_buffer); local_irq_save(flags); LIST(cmd,hostdata->issue_queue);