예제 #1
0
int ips_clear_adapter(ips_softc_t *sc)
{
	ips_cmd_status_t *status;
	status = malloc(sizeof(ips_cmd_status_t), M_IPSBUF, M_NOWAIT|M_ZERO);
	if(!status)
		return ENOMEM;
	device_printf(sc->dev, "syncing config\n");
	if(ips_get_free_cmd(sc, ips_send_config_sync_cmd, status, 
			    IPS_NOWAIT_FLAG)){
		free(status, M_IPSBUF);
		device_printf(sc->dev, "ERROR: unable to get a command! can't sync cache!\n");
		return 1;
	}
	if(COMMAND_ERROR(status)){
		free(status, M_IPSBUF);
		device_printf(sc->dev, "ERROR: cache sync command failed!\n");
		return 1;
	}

	device_printf(sc->dev, "clearing error table\n");
	if(ips_get_free_cmd(sc, ips_send_error_table_cmd, status, 
			    IPS_NOWAIT_FLAG)){
		free(status, M_IPSBUF);
		device_printf(sc->dev, "ERROR: unable to get a command! can't sync cache!\n");
		return 1;
	}
	if(COMMAND_ERROR(status)){
		device_printf(sc->dev, "ERROR: etable command failed!\n");
		free(status, M_IPSBUF);
		return 1;
	}

	free(status, M_IPSBUF);
	return 0;
}
int ips_clear_adapter(ips_softc_t *sc)
{
	ips_command_t *command;

	device_printf(sc->dev, "syncing config\n");
	if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG)){
		device_printf(sc->dev, "ERROR: unable to get a command! can't sync cache!\n");
		return 1;
	}
	ips_send_config_sync_cmd(command);
	if(COMMAND_ERROR(command)){
		device_printf(sc->dev, "ERROR: cache sync command failed!\n");
		return 1;
	}

	device_printf(sc->dev, "clearing error table\n");
	if(ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG)){
		device_printf(sc->dev, "ERROR: unable to get a command! can't sync cache!\n");
		return 1;
	}
	ips_send_error_table_cmd(command);
	if(COMMAND_ERROR(command)){
		device_printf(sc->dev, "ERROR: etable command failed!\n");
		return 1;
	}

	return 0;
}
예제 #3
0
static int ips_ioctl_cmd(ips_softc_t *sc, ips_ioctl_t *ioctl_cmd, ips_user_request *user_request)
{
	ips_command_t *command;
	int error = EINVAL;

	if (bus_dma_tag_create(	/* parent    */	sc->adapter_dmatag,
			/* alignment */	1,
			/* boundary  */	0,
			/* lowaddr   */	BUS_SPACE_MAXADDR_32BIT,
			/* highaddr  */	BUS_SPACE_MAXADDR,
			/* filter    */	NULL,
			/* filterarg */	NULL,
			/* maxsize   */	ioctl_cmd->datasize,
			/* numsegs   */	1,
			/* maxsegsize*/	ioctl_cmd->datasize,
			/* flags     */	0,
			/* lockfunc  */ NULL,
			/* lockarg   */ NULL,
			&ioctl_cmd->dmatag) != 0) {
		return ENOMEM;
        }
	if(bus_dmamem_alloc(ioctl_cmd->dmatag, &ioctl_cmd->data_buffer, 
	   0, &ioctl_cmd->dmamap)){
		error = ENOMEM;
		goto exit;
	}
	if(copyin(user_request->data_buffer,ioctl_cmd->data_buffer, 
	    ioctl_cmd->datasize))
		goto exit;
	ioctl_cmd->status.value = 0xffffffff;
	mtx_lock(&sc->queue_mtx);
	if((error = ips_get_free_cmd(sc, &command, 0)) > 0){
		error = ENOMEM;
		mtx_unlock(&sc->queue_mtx);
		goto exit;
	}
	command->arg = ioctl_cmd;
	ips_ioctl_start(command);
	while( ioctl_cmd->status.value == 0xffffffff)
		msleep(ioctl_cmd, &sc->queue_mtx, 0, "ips", hz/10);
	if(COMMAND_ERROR(ioctl_cmd))
		error = EIO;
	else
		error = 0;
	mtx_unlock(&sc->queue_mtx);
	if(copyout(ioctl_cmd->data_buffer, user_request->data_buffer,
	    ioctl_cmd->datasize))
		error = EINVAL;
	mtx_lock(&sc->queue_mtx);
	ips_insert_free_cmd(sc, command);
	mtx_unlock(&sc->queue_mtx);

exit:	bus_dmamem_free(ioctl_cmd->dmatag, ioctl_cmd->data_buffer,
			ioctl_cmd->dmamap);
	bus_dma_tag_destroy(ioctl_cmd->dmatag);
	return error;
}
예제 #4
0
static void
ipsd_dump_block_complete(ips_command_t *command)
{
	if (COMMAND_ERROR(&command->status)) {
		kprintf("ipsd_dump completion error= 0x%x\n",
		       command->status.value);
	}
	bus_dmamap_sync(command->data_dmatag, command->data_dmamap,
	    BUS_DMASYNC_POSTWRITE);
	bus_dmamap_unload(command->data_dmatag, command->data_dmamap);
}
예제 #5
0
static int
ipsd_dump(struct dev_dump_args *ap)
{
	cdev_t dev = ap->a_head.a_dev;
	ips_softc_t *sc;
	ips_command_t *command;
	ips_io_cmd *command_struct;
	ipsdisk_softc_t *dsc;
	off_t off;
	uint8_t *va;
	size_t len;
	int error = 0;

	dsc = dev->si_drv1;
	if (dsc == NULL)
		return (EINVAL);
	sc = dsc->sc;

	if (ips_get_free_cmd(sc, &command, 0) != 0) {
		kprintf("ipsd: failed to get cmd for dump\n");
		return (ENOMEM);
	}

	command->data_dmatag = sc->sg_dmatag;
	command->callback = ipsd_dump_block_complete;

	command_struct = (ips_io_cmd *)command->command_buffer;
	command_struct->id = command->id;
	command_struct->drivenum = sc->drives[dsc->disk_number].drivenum;

	off = ap->a_offset;
	va = ap->a_virtual;

	size_t length = ap->a_length;
	while (length > 0) {
		len = length > IPS_MAX_IO_SIZE ? IPS_MAX_IO_SIZE : length;
		command_struct->lba = off / IPS_BLKSIZE;
		if (bus_dmamap_load(command->data_dmatag, command->data_dmamap,
		    va, len, ipsd_dump_map_sg, command, 0) != 0) {
			error = EIO;
			break;
		}
		if (COMMAND_ERROR(&command->status)) {
			error = EIO;
			break;
		}

		length -= len;
		off += len;
		va += len;
	}
	ips_insert_free_cmd(command->sc, command);
	return(error);
}
int ips_ffdc_reset(ips_softc_t *sc)
{
	ips_command_t *command;

	if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG)){
		device_printf(sc->dev, "ERROR: unable to get a command! can't send ffdc reset!\n");
	}
	ips_send_ffdc_reset_cmd(command);
	if(COMMAND_ERROR(command)){
		device_printf(sc->dev, "ERROR: ffdc reset command failed!\n");
	}
	return 0;
}
int ips_flush_cache(ips_softc_t *sc)
{
	ips_command_t *command;

	device_printf(sc->dev, "flushing cache\n");
	if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG)){
		device_printf(sc->dev, "ERROR: unable to get a command! can't flush cache!\n");
	}
	ips_send_flush_cache_cmd(command);
	if(COMMAND_ERROR(command)){
		device_printf(sc->dev, "ERROR: cache flush command failed!\n");
	}
	return 0;
}
int ips_get_drive_info(ips_softc_t *sc)
{
	int error = 0;
	ips_command_t *command;

	if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG) > 0){
		device_printf(sc->dev, "unable to get drive configuration\n");
		return ENXIO;
	}
	ips_send_drive_info_cmd(command);
	if(COMMAND_ERROR(command)){
		error = ENXIO;
	}
	return error;
}
int ips_update_nvram(ips_softc_t *sc)
{
	ips_command_t *command;

	if (ips_get_free_cmd(sc, &command, IPS_STATIC_FLAG)){
		device_printf(sc->dev, "ERROR: unable to get a command! can't update nvram\n");
		return 1;
	}
	ips_read_nvram(command);
	if(COMMAND_ERROR(command)){
		device_printf(sc->dev, "ERROR: nvram update command failed!\n");
	}
	return 0;


}
예제 #10
0
int ips_ffdc_reset(ips_softc_t *sc)
{
	ips_cmd_status_t *status;
	status = malloc(sizeof(ips_cmd_status_t), M_IPSBUF, M_NOWAIT|M_ZERO);
	if(!status)
		return ENOMEM;
	if(ips_get_free_cmd(sc, ips_send_ffdc_reset_cmd, status,
			    IPS_NOWAIT_FLAG)){
		free(status, M_IPSBUF);
		device_printf(sc->dev, "ERROR: unable to get a command! can't send ffdc reset!\n");
	}
	if(COMMAND_ERROR(status)){
		device_printf(sc->dev, "ERROR: ffdc reset command failed!\n");
	}
	free(status, M_IPSBUF);
	return 0;
}
/* Below is a pair of functions for making sure data is safely
 * on disk by flushing the adapter's cache. */
static int ips_send_flush_cache_cmd(ips_command_t *command)
{
	ips_softc_t *sc = command->sc;
	ips_generic_cmd *command_struct;

	PRINTF(10,"ips test: got a command, building flush command\n");
	command->callback = ips_wakeup_callback;
	command_struct = (ips_generic_cmd *)command->command_buffer;
	command_struct->command = IPS_CACHE_FLUSH_CMD;
	command_struct->id = command->id;
	bus_dmamap_sync(sc->command_dmatag, command->command_dmamap, 
			BUS_DMASYNC_PREWRITE);
	sc->ips_issue_cmd(command);
	if (COMMAND_ERROR(command) == 0)
		sema_wait(&sc->cmd_sema);
	ips_insert_free_cmd(sc, command);
	return 0;
}
예제 #12
0
int ips_update_nvram(ips_softc_t *sc)
{
	ips_cmd_status_t *status;
	status = malloc(sizeof(ips_cmd_status_t), M_IPSBUF, M_NOWAIT|M_ZERO);
	if(!status)
		return ENOMEM;
	if(ips_get_free_cmd(sc, ips_read_nvram, status, IPS_NOWAIT_FLAG)){
		free(status, M_IPSBUF);
		device_printf(sc->dev, "ERROR: unable to get a command! can't update nvram\n");
		return 1;
	}
	if(COMMAND_ERROR(status)){
		device_printf(sc->dev, "ERROR: nvram update command failed!\n");
	}
	free(status, M_IPSBUF);
	return 0;


}
예제 #13
0
int ips_get_drive_info(ips_softc_t *sc)
{
	int error = 0;
	ips_cmd_status_t *status;
	status = malloc(sizeof(ips_cmd_status_t), M_IPSBUF, M_NOWAIT|M_ZERO);
	if(!status)
		return ENOMEM;
	if(ips_get_free_cmd(sc, ips_send_drive_info_cmd, status, 
			    IPS_NOWAIT_FLAG) > 0){
		free(status, M_IPSBUF);
		device_printf(sc->dev, "unable to get drive configuration\n");
		return ENXIO;
	}
	if(COMMAND_ERROR(status)){
		error = ENXIO;
	}
	free(status, M_IPSBUF);
	return error;
}
예제 #14
0
/* Below are a series of functions for sending an IO request
 * to the adapter.  The flow order is: start, send, callback, finish.
 * The caller must have already assembled an iorequest struct to hold
 * the details of the IO request. */
static void ips_io_request_finish(ips_command_t *command)
{

	struct buf *iobuf = command->arg;
	if(ips_read_request(iobuf)) {
		bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 
				BUS_DMASYNC_POSTREAD);
	} else {
		bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 
				BUS_DMASYNC_POSTWRITE);
	}
	bus_dmamap_unload(command->data_dmatag, command->data_dmamap);
	bus_dmamap_destroy(command->data_dmatag, command->data_dmamap);
	if(COMMAND_ERROR(&command->status)){
		iobuf->b_flags |=B_ERROR;
		iobuf->b_error = EIO;
	}
	ips_insert_free_cmd(command->sc, command);
	ipsd_finish(iobuf);
}
/* Below are a series of functions for sending an IO request
 * to the adapter.  The flow order is: start, send, callback, finish.
 * The caller must have already assembled an iorequest struct to hold
 * the details of the IO request. */
static void ips_io_request_finish(ips_command_t *command)
{

	struct bio *iobuf = command->arg;
	if(ips_read_request(iobuf)) {
		bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 
				BUS_DMASYNC_POSTREAD);
	} else {
		bus_dmamap_sync(command->data_dmatag, command->data_dmamap, 
				BUS_DMASYNC_POSTWRITE);
	}
	bus_dmamap_unload(command->data_dmatag, command->data_dmamap);
	if(COMMAND_ERROR(command)){
		iobuf->bio_flags |=BIO_ERROR;
		iobuf->bio_error = EIO;
		printf("ips: io error, status= 0x%x\n", command->status.value);
	}
	ips_insert_free_cmd(command->sc, command);
	ipsd_finish(iobuf);
}
static int ips_send_ffdc_reset_cmd(ips_command_t *command)
{
	ips_softc_t *sc = command->sc;
	ips_adapter_ffdc_cmd *command_struct;

	PRINTF(10,"ips test: got a command, building ffdc reset command\n");
	command->callback = ips_wakeup_callback;
	command_struct = (ips_adapter_ffdc_cmd *)command->command_buffer;
	command_struct->command = IPS_FFDC_CMD;
	command_struct->id = command->id;
	command_struct->reset_count = sc->ffdc_resetcount;
	command_struct->reset_type  = 0x0;
	ips_ffdc_settime(command_struct, sc->ffdc_resettime.tv_sec);

	bus_dmamap_sync(sc->command_dmatag, command->command_dmamap,
			BUS_DMASYNC_PREWRITE);
	sc->ips_issue_cmd(command);
	if (COMMAND_ERROR(command) == 0)
		sema_wait(&sc->cmd_sema);
	ips_insert_free_cmd(sc, command);
	return 0;
}