ipr.c

linux 内核源代码

			ipr_send_hcam(ioa_cfg,
				      IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE,
				      hostrcb);
			return;
		}

		res = list_entry(ioa_cfg->free_res_q.next,
				 struct ipr_resource_entry, queue);

		list_del(&res->queue);
		ipr_init_res_entry(res);
		list_add_tail(&res->queue, &ioa_cfg->used_res_q);
	}

	memcpy(&res->cfgte, cfgte, sizeof(struct ipr_config_table_entry));

	if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) {
		if (res->sdev) {
			res->del_from_ml = 1;
			res->cfgte.res_handle = IPR_INVALID_RES_HANDLE;
			if (ioa_cfg->allow_ml_add_del)
				schedule_work(&ioa_cfg->work_q);
		} else
			list_move_tail(&res->queue, &ioa_cfg->free_res_q);
	} else if (!res->sdev) {
		res->add_to_ml = 1;
		if (ioa_cfg->allow_ml_add_del)
			schedule_work(&ioa_cfg->work_q);
	}

	ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb);
}

/**
 * ipr_process_ccn - Op done function for a CCN.
 * @ipr_cmd:	ipr command struct
 *
 * This function is the op done function for a configuration
 * change notification host controlled async from the adapter.
 *
 * Return value:
 * 	none
 **/
static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd)
{
	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
	struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb;
	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);

	list_del(&hostrcb->queue);
	list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);

	if (ioasc) {
		if (ioasc != IPR_IOASC_IOA_WAS_RESET)
			dev_err(&ioa_cfg->pdev->dev,
				"Host RCB failed with IOASC: 0x%08X\n", ioasc);

		ipr_send_hcam(ioa_cfg, IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE, hostrcb);
	} else {
		ipr_handle_config_change(ioa_cfg, hostrcb);
	}
}

/**
 * strip_and_pad_whitespace - Strip and pad trailing whitespace.
 * @i:		index into buffer
 * @buf:		string to modify
 *
 * This function will strip all trailing whitespace, pad the end
 * of the string with a single space, and NULL terminate the string.
 *
 * Return value:
 * 	new length of string
 **/
static int strip_and_pad_whitespace(int i, char *buf)
{
	while (i && buf[i] == ' ')
		i--;
	buf[i+1] = ' ';
	buf[i+2] = '\0';
	return i + 2;
}

/**
 * ipr_log_vpd_compact - Log the passed extended VPD compactly.
 * @prefix:		string to print at start of printk
 * @hostrcb:	hostrcb pointer
 * @vpd:		vendor/product id/sn struct
 *
 * Return value:
 * 	none
 **/
static void ipr_log_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb,
				struct ipr_vpd *vpd)
{
	char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN + 3];
	int i = 0;

	memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN);
	i = strip_and_pad_whitespace(IPR_VENDOR_ID_LEN - 1, buffer);

	memcpy(&buffer[i], vpd->vpids.product_id, IPR_PROD_ID_LEN);
	i = strip_and_pad_whitespace(i + IPR_PROD_ID_LEN - 1, buffer);

	memcpy(&buffer[i], vpd->sn, IPR_SERIAL_NUM_LEN);
	buffer[IPR_SERIAL_NUM_LEN + i] = '\0';

	ipr_hcam_err(hostrcb, "%s VPID/SN: %s\n", prefix, buffer);
}

/**
 * ipr_log_vpd - Log the passed VPD to the error log.
 * @vpd:		vendor/product id/sn struct
 *
 * Return value:
 * 	none
 **/
static void ipr_log_vpd(struct ipr_vpd *vpd)
{
	char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN
		    + IPR_SERIAL_NUM_LEN];

	memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN);
	memcpy(buffer + IPR_VENDOR_ID_LEN, vpd->vpids.product_id,
	       IPR_PROD_ID_LEN);
	buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN] = '\0';
	ipr_err("Vendor/Product ID: %s\n", buffer);

	memcpy(buffer, vpd->sn, IPR_SERIAL_NUM_LEN);
	buffer[IPR_SERIAL_NUM_LEN] = '\0';
	ipr_err("    Serial Number: %s\n", buffer);
}

/**
 * ipr_log_ext_vpd_compact - Log the passed extended VPD compactly.
 * @prefix:		string to print at start of printk
 * @hostrcb:	hostrcb pointer
 * @vpd:		vendor/product id/sn/wwn struct
 *
 * Return value:
 * 	none
 **/
static void ipr_log_ext_vpd_compact(char *prefix, struct ipr_hostrcb *hostrcb,
				    struct ipr_ext_vpd *vpd)
{
	ipr_log_vpd_compact(prefix, hostrcb, &vpd->vpd);
	ipr_hcam_err(hostrcb, "%s WWN: %08X%08X\n", prefix,
		     be32_to_cpu(vpd->wwid[0]), be32_to_cpu(vpd->wwid[1]));
}

/**
 * ipr_log_ext_vpd - Log the passed extended VPD to the error log.
 * @vpd:		vendor/product id/sn/wwn struct
 *
 * Return value:
 * 	none
 **/
static void ipr_log_ext_vpd(struct ipr_ext_vpd *vpd)
{
	ipr_log_vpd(&vpd->vpd);
	ipr_err("    WWN: %08X%08X\n", be32_to_cpu(vpd->wwid[0]),
		be32_to_cpu(vpd->wwid[1]));
}

/**
 * ipr_log_enhanced_cache_error - Log a cache error.
 * @ioa_cfg:	ioa config struct
 * @hostrcb:	hostrcb struct
 *
 * Return value:
 * 	none
 **/
static void ipr_log_enhanced_cache_error(struct ipr_ioa_cfg *ioa_cfg,
					 struct ipr_hostrcb *hostrcb)
{
	struct ipr_hostrcb_type_12_error *error =
		&hostrcb->hcam.u.error.u.type_12_error;

	ipr_err("-----Current Configuration-----\n");
	ipr_err("Cache Directory Card Information:\n");
	ipr_log_ext_vpd(&error->ioa_vpd);
	ipr_err("Adapter Card Information:\n");
	ipr_log_ext_vpd(&error->cfc_vpd);

	ipr_err("-----Expected Configuration-----\n");
	ipr_err("Cache Directory Card Information:\n");
	ipr_log_ext_vpd(&error->ioa_last_attached_to_cfc_vpd);
	ipr_err("Adapter Card Information:\n");
	ipr_log_ext_vpd(&error->cfc_last_attached_to_ioa_vpd);

	ipr_err("Additional IOA Data: %08X %08X %08X\n",
		     be32_to_cpu(error->ioa_data[0]),
		     be32_to_cpu(error->ioa_data[1]),
		     be32_to_cpu(error->ioa_data[2]));
}

/**
 * ipr_log_cache_error - Log a cache error.
 * @ioa_cfg:	ioa config struct
 * @hostrcb:	hostrcb struct
 *
 * Return value:
 * 	none
 **/
static void ipr_log_cache_error(struct ipr_ioa_cfg *ioa_cfg,
				struct ipr_hostrcb *hostrcb)
{
	struct ipr_hostrcb_type_02_error *error =
		&hostrcb->hcam.u.error.u.type_02_error;

	ipr_err("-----Current Configuration-----\n");
	ipr_err("Cache Directory Card Information:\n");
	ipr_log_vpd(&error->ioa_vpd);
	ipr_err("Adapter Card Information:\n");
	ipr_log_vpd(&error->cfc_vpd);

	ipr_err("-----Expected Configuration-----\n");
	ipr_err("Cache Directory Card Information:\n");
	ipr_log_vpd(&error->ioa_last_attached_to_cfc_vpd);
	ipr_err("Adapter Card Information:\n");
	ipr_log_vpd(&error->cfc_last_attached_to_ioa_vpd);

	ipr_err("Additional IOA Data: %08X %08X %08X\n",
		     be32_to_cpu(error->ioa_data[0]),
		     be32_to_cpu(error->ioa_data[1]),
		     be32_to_cpu(error->ioa_data[2]));
}

/**
 * ipr_log_enhanced_config_error - Log a configuration error.
 * @ioa_cfg:	ioa config struct
 * @hostrcb:	hostrcb struct
 *
 * Return value:
 * 	none
 **/
static void ipr_log_enhanced_config_error(struct ipr_ioa_cfg *ioa_cfg,
					  struct ipr_hostrcb *hostrcb)
{
	int errors_logged, i;
	struct ipr_hostrcb_device_data_entry_enhanced *dev_entry;
	struct ipr_hostrcb_type_13_error *error;

	error = &hostrcb->hcam.u.error.u.type_13_error;
	errors_logged = be32_to_cpu(error->errors_logged);

	ipr_err("Device Errors Detected/Logged: %d/%d\n",
		be32_to_cpu(error->errors_detected), errors_logged);

	dev_entry = error->dev;

	for (i = 0; i < errors_logged; i++, dev_entry++) {
		ipr_err_separator;

		ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1);
		ipr_log_ext_vpd(&dev_entry->vpd);

		ipr_err("-----New Device Information-----\n");
		ipr_log_ext_vpd(&dev_entry->new_vpd);

		ipr_err("Cache Directory Card Information:\n");
		ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd);

		ipr_err("Adapter Card Information:\n");
		ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd);
	}
}

/**
 * ipr_log_config_error - Log a configuration error.
 * @ioa_cfg:	ioa config struct
 * @hostrcb:	hostrcb struct
 *
 * Return value:
 * 	none
 **/
static void ipr_log_config_error(struct ipr_ioa_cfg *ioa_cfg,
				 struct ipr_hostrcb *hostrcb)
{
	int errors_logged, i;
	struct ipr_hostrcb_device_data_entry *dev_entry;
	struct ipr_hostrcb_type_03_error *error;

	error = &hostrcb->hcam.u.error.u.type_03_error;
	errors_logged = be32_to_cpu(error->errors_logged);

	ipr_err("Device Errors Detected/Logged: %d/%d\n",
		be32_to_cpu(error->errors_detected), errors_logged);

	dev_entry = error->dev;

	for (i = 0; i < errors_logged; i++, dev_entry++) {
		ipr_err_separator;

		ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1);
		ipr_log_vpd(&dev_entry->vpd);

		ipr_err("-----New Device Information-----\n");
		ipr_log_vpd(&dev_entry->new_vpd);

		ipr_err("Cache Directory Card Information:\n");
		ipr_log_vpd(&dev_entry->ioa_last_with_dev_vpd);

		ipr_err("Adapter Card Information:\n");
		ipr_log_vpd(&dev_entry->cfc_last_with_dev_vpd);

		ipr_err("Additional IOA Data: %08X %08X %08X %08X %08X\n",
			be32_to_cpu(dev_entry->ioa_data[0]),
			be32_to_cpu(dev_entry->ioa_data[1]),
			be32_to_cpu(dev_entry->ioa_data[2]),
			be32_to_cpu(dev_entry->ioa_data[3]),
			be32_to_cpu(dev_entry->ioa_data[4]));
	}
}

/**
 * ipr_log_enhanced_array_error - Log an array configuration error.
 * @ioa_cfg:	ioa config struct
 * @hostrcb:	hostrcb struct
 *
 * Return value:
 * 	none
 **/
static void ipr_log_enhanced_array_error(struct ipr_ioa_cfg *ioa_cfg,
					 struct ipr_hostrcb *hostrcb)
{
	int i, num_entries;
	struct ipr_hostrcb_type_14_error *error;
	struct ipr_hostrcb_array_data_entry_enhanced *array_entry;
	const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' };

	error = &hostrcb->hcam.u.error.u.type_14_error;

	ipr_err_separator;

	ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n",
		error->protection_level,
		ioa_cfg->host->host_no,
		error->last_func_vset_res_addr.bus,
		error->last_func_vset_res_addr.target,
		error->last_func_vset_res_addr.lun);

	ipr_err_separator;

	array_entry = error->array_member;
	num_entries = min_t(u32, be32_to_cpu(error->num_entries),
			    sizeof(error->array_member));

	for (i = 0; i < num_entries; i++, array_entry++) {
		if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN))
			continue;

		if (be32_to_cpu(error->exposed_mode_adn) == i)
			ipr_err("Exposed Array Member %d:\n", i);
		else
			ipr_err("Array Member %d:\n", i);

		ipr_log_ext_vpd(&array_entry->vpd);
		ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location");
		ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr,
				 "Expected Location");

		ipr_err_separator;
	}
}

/**
 * ipr_log_array_error - Log an array configuration error.
 * @ioa_cfg:	ioa config struct
 * @hostrcb:	hostrcb struct
 *
 * Return value:
 * 	none
 **/
static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg,
				struct ipr_hostrcb *hostrcb)
{
	int i;
	struct ipr_hostrcb_type_04_error *error;
	struct ipr_hostrcb_array_data_entry *array_entry;
	const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' };

	error = &hostrcb->hcam.u.error.u.type_04_error;

	ipr_err_separator;

	ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n",
		error->protection_level,
		ioa_cfg->host->host_no,
		error->last_func_vset_res_addr.bus,
		error->last_func_vset_res_addr.target,
		error->last_func_vset_res_addr.lun);

	ipr_err_separator;

	array_entry = error->array_member;

	for (i = 0; i < 18; i++) {
		if (!memcmp(array_entry->vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN))
			continue;

		if (be32_to_cpu(error->exposed_mode_adn) == i)
			ipr_err("Exposed Array Member %d:\n", i);
		else
			ipr_err("Array Member %d:\n", i);

		ipr_log_vpd(&array_entry->vpd);

		ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location");
		ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr,
				 "Expected Location");

		ipr_err_separator;

		if (i == 9)
			array_entry = error->array_member2;
		else
			array_entry++;
	}
}

/**
 * ipr_log_hex_data - Log additional hex IOA error data.
 * @ioa_cfg:	ioa config struct
 * @data:		IOA error data
 * @len:		data length
 *
 * Return value:
 * 	none
 **/
static void ipr_log_hex_data(struct ipr_ioa_cfg *ioa_cfg, u32 *data, int len)
{
	int i;