[mirror_ubuntu-jammy-kernel.git] / drivers / scsi / qla2xxx / qla_attr.c

/*
 * QLogic Fibre Channel HBA Driver
 * Copyright (c)  2003-2005 QLogic Corporation
 *
 * See LICENSE.qla2xxx for copyright and licensing details.
 */
#include "qla_def.h"

#include <linux/vmalloc.h>

/* SYSFS attributes --------------------------------------------------------- */

static ssize_t
qla2x00_sysfs_read_fw_dump(struct kobject *kobj, char *buf, loff_t off,
    size_t count)
{
	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	    struct device, kobj)));

	if (ha->fw_dump_reading == 0)
		return 0;
	if (off > ha->fw_dump_buffer_len)
		return 0;
	if (off + count > ha->fw_dump_buffer_len)
		count = ha->fw_dump_buffer_len - off;

	memcpy(buf, &ha->fw_dump_buffer[off], count);

	return (count);
}

static ssize_t
qla2x00_sysfs_write_fw_dump(struct kobject *kobj, char *buf, loff_t off,
    size_t count)
{
	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	    struct device, kobj)));
	int reading;
	uint32_t dump_size;

	if (off != 0)
		return (0);

	reading = simple_strtol(buf, NULL, 10);
	switch (reading) {
	case 0:
		if (ha->fw_dump_reading == 1) {
			qla_printk(KERN_INFO, ha,
			    "Firmware dump cleared on (%ld).\n",
			    ha->host_no);

			vfree(ha->fw_dump_buffer);
			if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha))
				free_pages((unsigned long)ha->fw_dump,
				    ha->fw_dump_order);

			ha->fw_dump_reading = 0;
			ha->fw_dump_buffer = NULL;
			ha->fw_dump = NULL;
			ha->fw_dumped = 0;
		}
		break;
	case 1:
		if ((ha->fw_dump || ha->fw_dumped) && !ha->fw_dump_reading) {
			ha->fw_dump_reading = 1;

			if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
				dump_size = FW_DUMP_SIZE_24XX;
			else {
				dump_size = FW_DUMP_SIZE_1M;
				if (ha->fw_memory_size < 0x20000)
					dump_size = FW_DUMP_SIZE_128K;
				else if (ha->fw_memory_size < 0x80000)
					dump_size = FW_DUMP_SIZE_512K;
			}
			ha->fw_dump_buffer = (char *)vmalloc(dump_size);
			if (ha->fw_dump_buffer == NULL) {
				qla_printk(KERN_WARNING, ha,
				    "Unable to allocate memory for firmware "
				    "dump buffer (%d).\n", dump_size);

				ha->fw_dump_reading = 0;
				return (count);
			}
			qla_printk(KERN_INFO, ha,
			    "Firmware dump ready for read on (%ld).\n",
			    ha->host_no);
			memset(ha->fw_dump_buffer, 0, dump_size);
			ha->isp_ops.ascii_fw_dump(ha);
			ha->fw_dump_buffer_len = strlen(ha->fw_dump_buffer);
		}
		break;
	}
	return (count);
}

static struct bin_attribute sysfs_fw_dump_attr = {
	.attr = {
		.name = "fw_dump",
		.mode = S_IRUSR | S_IWUSR,
		.owner = THIS_MODULE,
	},
	.size = 0,
	.read = qla2x00_sysfs_read_fw_dump,
	.write = qla2x00_sysfs_write_fw_dump,
};

static ssize_t
qla2x00_sysfs_read_nvram(struct kobject *kobj, char *buf, loff_t off,
    size_t count)
{
	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	    struct device, kobj)));
	unsigned long	flags;

	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
		return 0;

	/* Read NVRAM. */
	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->nvram_base,
	    ha->nvram_size);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return (count);
}

static ssize_t
qla2x00_sysfs_write_nvram(struct kobject *kobj, char *buf, loff_t off,
    size_t count)
{
	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	    struct device, kobj)));
	unsigned long	flags;
	uint16_t	cnt;

	if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
		return 0;

	/* Checksum NVRAM. */
	if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
		uint32_t *iter;
		uint32_t chksum;

		iter = (uint32_t *)buf;
		chksum = 0;
		for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
			chksum += le32_to_cpu(*iter++);
		chksum = ~chksum + 1;
		*iter = cpu_to_le32(chksum);
	} else {
		uint8_t *iter;
		uint8_t chksum;

		iter = (uint8_t *)buf;
		chksum = 0;
		for (cnt = 0; cnt < count - 1; cnt++)
			chksum += *iter++;
		chksum = ~chksum + 1;
		*iter = chksum;
	}

	/* Write NVRAM. */
	spin_lock_irqsave(&ha->hardware_lock, flags);
	ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
	spin_unlock_irqrestore(&ha->hardware_lock, flags);

	return (count);
}

static struct bin_attribute sysfs_nvram_attr = {
	.attr = {
		.name = "nvram",
		.mode = S_IRUSR | S_IWUSR,
		.owner = THIS_MODULE,
	},
	.size = 0,
	.read = qla2x00_sysfs_read_nvram,
	.write = qla2x00_sysfs_write_nvram,
};

void
qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
{
	struct Scsi_Host *host = ha->host;

	sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
	sysfs_nvram_attr.size = ha->nvram_size;
	sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
}

void
qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
{
	struct Scsi_Host *host = ha->host;

	sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
	sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
}

/* Scsi_Host attributes. */

static ssize_t
qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
{
	return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
}

static ssize_t
qla2x00_fw_version_show(struct class_device *cdev, char *buf)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	char fw_str[30];

	return snprintf(buf, PAGE_SIZE, "%s\n",
	    ha->isp_ops.fw_version_str(ha, fw_str));
}

static ssize_t
qla2x00_serial_num_show(struct class_device *cdev, char *buf)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	uint32_t sn;

	sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
	return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
	    sn % 100000);
}

static ssize_t
qla2x00_isp_name_show(struct class_device *cdev, char *buf)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
}

static ssize_t
qla2x00_isp_id_show(struct class_device *cdev, char *buf)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
	    ha->product_id[0], ha->product_id[1], ha->product_id[2],
	    ha->product_id[3]);
}

static ssize_t
qla2x00_model_name_show(struct class_device *cdev, char *buf)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
}

static ssize_t
qla2x00_model_desc_show(struct class_device *cdev, char *buf)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	return snprintf(buf, PAGE_SIZE, "%s\n",
	    ha->model_desc ? ha->model_desc: "");
}

static ssize_t
qla2x00_pci_info_show(struct class_device *cdev, char *buf)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	char pci_info[30];

	return snprintf(buf, PAGE_SIZE, "%s\n",
	    ha->isp_ops.pci_info_str(ha, pci_info));
}

static ssize_t
qla2x00_state_show(struct class_device *cdev, char *buf)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	int len = 0;

	if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
	    atomic_read(&ha->loop_state) == LOOP_DEAD)
		len = snprintf(buf, PAGE_SIZE, "Link Down\n");
	else if (atomic_read(&ha->loop_state) != LOOP_READY ||
	    test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
	    test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
		len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
	else {
		len = snprintf(buf, PAGE_SIZE, "Link Up - ");

		switch (ha->current_topology) {
		case ISP_CFG_NL:
			len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
			break;
		case ISP_CFG_FL:
			len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
			break;
		case ISP_CFG_N:
			len += snprintf(buf + len, PAGE_SIZE-len,
			    "N_Port to N_Port\n");
			break;
		case ISP_CFG_F:
			len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
			break;
		default:
			len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
			break;
		}
	}
	return len;
}

static ssize_t
qla2x00_zio_show(struct class_device *cdev, char *buf)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	int len = 0;

	switch (ha->zio_mode) {
	case QLA_ZIO_MODE_5:
		len += snprintf(buf + len, PAGE_SIZE-len, "Mode 5\n");
		break;
	case QLA_ZIO_MODE_6:
		len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
		break;
	case QLA_ZIO_DISABLED:
		len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
		break;
	}
	return len;
}

static ssize_t
qla2x00_zio_store(struct class_device *cdev, const char *buf, size_t count)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	int val = 0;
	uint16_t zio_mode;

	if (sscanf(buf, "%d", &val) != 1)
		return -EINVAL;

	switch (val) {
	case 1:
		zio_mode = QLA_ZIO_MODE_5;
		break;
	case 2:
		zio_mode = QLA_ZIO_MODE_6;
		break;
	default:
		zio_mode = QLA_ZIO_DISABLED;
		break;
	}

	/* Update per-hba values and queue a reset. */
	if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
		ha->zio_mode = zio_mode;
		set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
	}
	return strlen(buf);
}

static ssize_t
qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));

	return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
}

static ssize_t
qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
    size_t count)
{
	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	int val = 0;
	uint16_t zio_timer;

	if (sscanf(buf, "%d", &val) != 1)
		return -EINVAL;
	if (val > 25500 || val < 100)
		return -ERANGE;

	zio_timer = (uint16_t)(val / 100);
	ha->zio_timer = zio_timer;

	return strlen(buf);
}

static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
	NULL);
static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
    qla2x00_zio_store);
static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
    qla2x00_zio_timer_store);

struct class_device_attribute *qla2x00_host_attrs[] = {
	&class_device_attr_driver_version,
	&class_device_attr_fw_version,
	&class_device_attr_serial_num,
	&class_device_attr_isp_name,
	&class_device_attr_isp_id,
	&class_device_attr_model_name,
	&class_device_attr_model_desc,
	&class_device_attr_pci_info,
	&class_device_attr_state,
	&class_device_attr_zio,
	&class_device_attr_zio_timer,
	NULL,
};

/* Host attributes. */

static void
qla2x00_get_host_port_id(struct Scsi_Host *shost)
{
	scsi_qla_host_t *ha = to_qla_host(shost);

	fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
	    ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
}

static void
qla2x00_get_host_speed(struct Scsi_Host *shost)
{
	scsi_qla_host_t *ha = to_qla_host(shost);
	uint32_t speed = 0;

	switch (ha->link_data_rate) {
	case LDR_1GB:
		speed = 1;
		break;
	case LDR_2GB:
		speed = 2;
		break;
	case LDR_4GB:
		speed = 4;
		break;
	}
	fc_host_speed(shost) = speed;
}

static void
qla2x00_get_host_port_type(struct Scsi_Host *shost)
{
	scsi_qla_host_t *ha = to_qla_host(shost);
	uint32_t port_type = FC_PORTTYPE_UNKNOWN;

	switch (ha->current_topology) {
	case ISP_CFG_NL:
		port_type = FC_PORTTYPE_LPORT;
		break;
	case ISP_CFG_FL:
		port_type = FC_PORTTYPE_NLPORT;
		break;
	case ISP_CFG_N:
		port_type = FC_PORTTYPE_PTP;
		break;
	case ISP_CFG_F:
		port_type = FC_PORTTYPE_NPORT;
		break;
	}
	fc_host_port_type(shost) = port_type;
}

static void
qla2x00_get_starget_node_name(struct scsi_target *starget)
{
	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
	scsi_qla_host_t *ha = to_qla_host(host);
	fc_port_t *fcport;
	u64 node_name = 0;

	list_for_each_entry(fcport, &ha->fcports, list) {
		if (starget->id == fcport->os_target_id) {
			node_name = wwn_to_u64(fcport->node_name);
			break;
		}
	}

	fc_starget_node_name(starget) = node_name;
}

static void
qla2x00_get_starget_port_name(struct scsi_target *starget)
{
	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
	scsi_qla_host_t *ha = to_qla_host(host);
	fc_port_t *fcport;
	u64 port_name = 0;

	list_for_each_entry(fcport, &ha->fcports, list) {
		if (starget->id == fcport->os_target_id) {
			port_name = wwn_to_u64(fcport->port_name);
			break;
		}
	}

	fc_starget_port_name(starget) = port_name;
}

static void
qla2x00_get_starget_port_id(struct scsi_target *starget)
{
	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
	scsi_qla_host_t *ha = to_qla_host(host);
	fc_port_t *fcport;
	uint32_t port_id = ~0U;

	list_for_each_entry(fcport, &ha->fcports, list) {
		if (starget->id == fcport->os_target_id) {
			port_id = fcport->d_id.b.domain << 16 |
			    fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
			break;
		}
	}

	fc_starget_port_id(starget) = port_id;
}

static void
qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
{
	struct Scsi_Host *host = rport_to_shost(rport);
	scsi_qla_host_t *ha = to_qla_host(host);

	rport->dev_loss_tmo = ha->port_down_retry_count + 5;
}

static void
qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
	struct Scsi_Host *host = rport_to_shost(rport);
	scsi_qla_host_t *ha = to_qla_host(host);

	if (timeout)
		ha->port_down_retry_count = timeout;
	else
		ha->port_down_retry_count = 1;

	rport->dev_loss_tmo = ha->port_down_retry_count + 5;
}

static int
qla2x00_issue_lip(struct Scsi_Host *shost)
{
	scsi_qla_host_t *ha = to_qla_host(shost);

	set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
	return 0;
}

static struct fc_host_statistics *
qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
{
	scsi_qla_host_t *ha = to_qla_host(shost);
	int rval;
	uint16_t mb_stat[1];
	link_stat_t stat_buf;
	struct fc_host_statistics *pfc_host_stat;

	pfc_host_stat = &ha->fc_host_stat;
	memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));

	if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
		rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
		    sizeof(stat_buf) / 4, mb_stat);
	} else {
		rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
		    mb_stat);
	}
	if (rval != 0) {
		qla_printk(KERN_WARNING, ha,
		    "Unable to retrieve host statistics (%d).\n", mb_stat[0]);
		return pfc_host_stat;
	}

	pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
	pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
	pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
	pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
	pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
	pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;

	return pfc_host_stat;
}

struct fc_function_template qla2xxx_transport_functions = {

	.show_host_node_name = 1,
	.show_host_port_name = 1,
	.show_host_supported_classes = 1,

	.get_host_port_id = qla2x00_get_host_port_id,
	.show_host_port_id = 1,
	.get_host_speed = qla2x00_get_host_speed,
	.show_host_speed = 1,
	.get_host_port_type = qla2x00_get_host_port_type,
	.show_host_port_type = 1,

	.dd_fcrport_size = sizeof(struct fc_port *),
	.show_rport_supported_classes = 1,

	.get_starget_node_name = qla2x00_get_starget_node_name,
	.show_starget_node_name = 1,
	.get_starget_port_name = qla2x00_get_starget_port_name,
	.show_starget_port_name = 1,
	.get_starget_port_id  = qla2x00_get_starget_port_id,
	.show_starget_port_id = 1,

	.get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
	.show_rport_dev_loss_tmo = 1,

	.issue_fc_host_lip = qla2x00_issue_lip,
	.get_fc_host_stats = qla2x00_get_fc_host_stats,
};

void
qla2x00_init_host_attr(scsi_qla_host_t *ha)
{
	fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
	fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
	fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
}
Commit	Line	Data
8482e118	1	/*
fa90c54f AV	2	* QLogic Fibre Channel HBA Driver
fa90c54f AV	3	* Copyright (c) 2003-2005 QLogic Corporation
8482e118	4	*
fa90c54f	5	* See LICENSE.qla2xxx for copyright and licensing details.
8482e118 AV	6	*/
	7	#include "qla_def.h"
	8
7aaef27b	9	#include <linux/vmalloc.h>
8482e118 AV	10
	11	/* SYSFS attributes --------------------------------------------------------- */
	12
	13	static ssize_t
	14	qla2x00_sysfs_read_fw_dump(struct kobject kobj, char buf, loff_t off,
	15	size_t count)
	16	{
	17	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	18	struct device, kobj)));
	19
	20	if (ha->fw_dump_reading == 0)
	21	return 0;
	22	if (off > ha->fw_dump_buffer_len)
	23	return 0;
	24	if (off + count > ha->fw_dump_buffer_len)
	25	count = ha->fw_dump_buffer_len - off;
	26
	27	memcpy(buf, &ha->fw_dump_buffer[off], count);
	28
	29	return (count);
	30	}
	31
	32	static ssize_t
	33	qla2x00_sysfs_write_fw_dump(struct kobject kobj, char buf, loff_t off,
	34	size_t count)
	35	{
	36	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	37	struct device, kobj)));
	38	int reading;
	39	uint32_t dump_size;
	40
	41	if (off != 0)
	42	return (0);
	43
	44	reading = simple_strtol(buf, NULL, 10);
	45	switch (reading) {
	46	case 0:
	47	if (ha->fw_dump_reading == 1) {
	48	qla_printk(KERN_INFO, ha,
	49	"Firmware dump cleared on (%ld).\n",
	50	ha->host_no);
	51
	52	vfree(ha->fw_dump_buffer);
fca29703 AV	53	if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha))
	54	free_pages((unsigned long)ha->fw_dump,
	55	ha->fw_dump_order);
8482e118 AV	56
	57	ha->fw_dump_reading = 0;
	58	ha->fw_dump_buffer = NULL;
	59	ha->fw_dump = NULL;
fca29703	60	ha->fw_dumped = 0;
8482e118 AV	61	}
	62	break;
	63	case 1:
fca29703	64	if ((ha->fw_dump \|\| ha->fw_dumped) && !ha->fw_dump_reading) {
8482e118 AV	65	ha->fw_dump_reading = 1;
8482e118 AV	66
fca29703 AV	67	if (IS_QLA24XX(ha) \|\| IS_QLA25XX(ha))
	68	dump_size = FW_DUMP_SIZE_24XX;
	69	else {
	70	dump_size = FW_DUMP_SIZE_1M;
	71	if (ha->fw_memory_size < 0x20000)
	72	dump_size = FW_DUMP_SIZE_128K;
	73	else if (ha->fw_memory_size < 0x80000)
	74	dump_size = FW_DUMP_SIZE_512K;
	75	}
8482e118 AV	76	ha->fw_dump_buffer = (char *)vmalloc(dump_size);
	77	if (ha->fw_dump_buffer == NULL) {
	78	qla_printk(KERN_WARNING, ha,
	79	"Unable to allocate memory for firmware "
	80	"dump buffer (%d).\n", dump_size);
	81
	82	ha->fw_dump_reading = 0;
	83	return (count);
	84	}
	85	qla_printk(KERN_INFO, ha,
	86	"Firmware dump ready for read on (%ld).\n",
	87	ha->host_no);
	88	memset(ha->fw_dump_buffer, 0, dump_size);
abbd8870	89	ha->isp_ops.ascii_fw_dump(ha);
8482e118 AV	90	ha->fw_dump_buffer_len = strlen(ha->fw_dump_buffer);
	91	}
	92	break;
	93	}
	94	return (count);
	95	}
	96
	97	static struct bin_attribute sysfs_fw_dump_attr = {
	98	.attr = {
	99	.name = "fw_dump",
	100	.mode = S_IRUSR \| S_IWUSR,
	101	.owner = THIS_MODULE,
	102	},
	103	.size = 0,
	104	.read = qla2x00_sysfs_read_fw_dump,
	105	.write = qla2x00_sysfs_write_fw_dump,
	106	};
	107
	108	static ssize_t
	109	qla2x00_sysfs_read_nvram(struct kobject kobj, char buf, loff_t off,
	110	size_t count)
	111	{
	112	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	113	struct device, kobj)));
8482e118	114	unsigned long flags;
8482e118	115
459c5378	116	if (!capable(CAP_SYS_ADMIN) \|\| off != 0 \|\| count != ha->nvram_size)
8482e118 AV	117	return 0;
	118
	119	/* Read NVRAM. */
	120	spin_lock_irqsave(&ha->hardware_lock, flags);
459c5378 AV	121	ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->nvram_base,
459c5378 AV	122	ha->nvram_size);
8482e118 AV	123	spin_unlock_irqrestore(&ha->hardware_lock, flags);
	124
	125	return (count);
	126	}
	127
	128	static ssize_t
	129	qla2x00_sysfs_write_nvram(struct kobject kobj, char buf, loff_t off,
	130	size_t count)
	131	{
	132	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	133	struct device, kobj)));
8482e118 AV	134	unsigned long flags;
8482e118 AV	135	uint16_t cnt;
8482e118	136
459c5378	137	if (!capable(CAP_SYS_ADMIN) \|\| off != 0 \|\| count != ha->nvram_size)
8482e118 AV	138	return 0;
	139
	140	/* Checksum NVRAM. */
459c5378 AV	141	if (IS_QLA24XX(ha) \|\| IS_QLA25XX(ha)) {
	142	uint32_t *iter;
	143	uint32_t chksum;
	144
	145	iter = (uint32_t *)buf;
	146	chksum = 0;
	147	for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
	148	chksum += le32_to_cpu(*iter++);
	149	chksum = ~chksum + 1;
	150	*iter = cpu_to_le32(chksum);
	151	} else {
	152	uint8_t *iter;
	153	uint8_t chksum;
	154
	155	iter = (uint8_t *)buf;
	156	chksum = 0;
	157	for (cnt = 0; cnt < count - 1; cnt++)
	158	chksum += *iter++;
	159	chksum = ~chksum + 1;
	160	*iter = chksum;
	161	}
8482e118 AV	162
	163	/* Write NVRAM. */
	164	spin_lock_irqsave(&ha->hardware_lock, flags);
459c5378	165	ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
8482e118 AV	166	spin_unlock_irqrestore(&ha->hardware_lock, flags);
	167
	168	return (count);
	169	}
	170
	171	static struct bin_attribute sysfs_nvram_attr = {
	172	.attr = {
	173	.name = "nvram",
	174	.mode = S_IRUSR \| S_IWUSR,
	175	.owner = THIS_MODULE,
	176	},
459c5378	177	.size = 0,
8482e118 AV	178	.read = qla2x00_sysfs_read_nvram,
	179	.write = qla2x00_sysfs_write_nvram,
	180	};
	181
	182	void
	183	qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
	184	{
	185	struct Scsi_Host *host = ha->host;
	186
	187	sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
459c5378	188	sysfs_nvram_attr.size = ha->nvram_size;
8482e118 AV	189	sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
	190	}
	191
	192	void
	193	qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
	194	{
	195	struct Scsi_Host *host = ha->host;
	196
	197	sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
	198	sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
	199	}
	200
afb046e2 AV	201	/* Scsi_Host attributes. */
	202
	203	static ssize_t
	204	qla2x00_drvr_version_show(struct class_device cdev, char buf)
	205	{
	206	return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
	207	}
	208
	209	static ssize_t
	210	qla2x00_fw_version_show(struct class_device cdev, char buf)
	211	{
	212	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	213	char fw_str[30];
	214
	215	return snprintf(buf, PAGE_SIZE, "%s\n",
	216	ha->isp_ops.fw_version_str(ha, fw_str));
	217	}
	218
	219	static ssize_t
	220	qla2x00_serial_num_show(struct class_device cdev, char buf)
	221	{
	222	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	223	uint32_t sn;
	224
	225	sn = ((ha->serial0 & 0x1f) << 16) \| (ha->serial2 << 8) \| ha->serial1;
	226	return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
	227	sn % 100000);
	228	}
	229
	230	static ssize_t
	231	qla2x00_isp_name_show(struct class_device cdev, char buf)
	232	{
	233	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
5433383e	234	return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
afb046e2 AV	235	}
	236
	237	static ssize_t
	238	qla2x00_isp_id_show(struct class_device cdev, char buf)
	239	{
	240	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	241	return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
	242	ha->product_id[0], ha->product_id[1], ha->product_id[2],
	243	ha->product_id[3]);
	244	}
	245
	246	static ssize_t
	247	qla2x00_model_name_show(struct class_device cdev, char buf)
	248	{
	249	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	250	return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
	251	}
	252
	253	static ssize_t
	254	qla2x00_model_desc_show(struct class_device cdev, char buf)
	255	{
	256	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	257	return snprintf(buf, PAGE_SIZE, "%s\n",
	258	ha->model_desc ? ha->model_desc: "");
	259	}
	260
	261	static ssize_t
	262	qla2x00_pci_info_show(struct class_device cdev, char buf)
	263	{
	264	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	265	char pci_info[30];
	266
	267	return snprintf(buf, PAGE_SIZE, "%s\n",
	268	ha->isp_ops.pci_info_str(ha, pci_info));
	269	}
	270
	271	static ssize_t
	272	qla2x00_state_show(struct class_device cdev, char buf)
	273	{
	274	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	275	int len = 0;
	276
	277	if (atomic_read(&ha->loop_state) == LOOP_DOWN \|\|
	278	atomic_read(&ha->loop_state) == LOOP_DEAD)
	279	len = snprintf(buf, PAGE_SIZE, "Link Down\n");
	280	else if (atomic_read(&ha->loop_state) != LOOP_READY \|\|
	281	test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) \|\|
	282	test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
	283	len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
	284	else {
	285	len = snprintf(buf, PAGE_SIZE, "Link Up - ");
	286
	287	switch (ha->current_topology) {
	288	case ISP_CFG_NL:
	289	len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
	290	break;
	291	case ISP_CFG_FL:
	292	len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
	293	break;
	294	case ISP_CFG_N:
	295	len += snprintf(buf + len, PAGE_SIZE-len,
	296	"N_Port to N_Port\n");
	297	break;
	298	case ISP_CFG_F:
299	len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
300	break;
301	default:
302	len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
303	break;
304	}
305	}
306	return len;
307	}
308
4fdfefe5 AV	309	static ssize_t
	310	qla2x00_zio_show(struct class_device cdev, char buf)
	311	{
	312	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	313	int len = 0;
	314
	315	switch (ha->zio_mode) {
	316	case QLA_ZIO_MODE_5:
	317	len += snprintf(buf + len, PAGE_SIZE-len, "Mode 5\n");
	318	break;
	319	case QLA_ZIO_MODE_6:
	320	len += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
	321	break;
	322	case QLA_ZIO_DISABLED:
	323	len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
	324	break;
	325	}
	326	return len;
	327	}
	328
	329	static ssize_t
	330	qla2x00_zio_store(struct class_device cdev, const char buf, size_t count)
	331	{
	332	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	333	int val = 0;
	334	uint16_t zio_mode;
	335
	336	if (sscanf(buf, "%d", &val) != 1)
	337	return -EINVAL;
	338
	339	switch (val) {
	340	case 1:
	341	zio_mode = QLA_ZIO_MODE_5;
	342	break;
	343	case 2:
	344	zio_mode = QLA_ZIO_MODE_6;
	345	break;
	346	default:
	347	zio_mode = QLA_ZIO_DISABLED;
	348	break;
	349	}
	350
	351	/* Update per-hba values and queue a reset. */
	352	if (zio_mode != QLA_ZIO_DISABLED \|\| ha->zio_mode != QLA_ZIO_DISABLED) {
	353	ha->zio_mode = zio_mode;
	354	set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
	355	}
	356	return strlen(buf);
	357	}
	358
	359	static ssize_t
	360	qla2x00_zio_timer_show(struct class_device cdev, char buf)
	361	{
	362	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	363
	364	return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
	365	}
	366
	367	static ssize_t
	368	qla2x00_zio_timer_store(struct class_device cdev, const char buf,
	369	size_t count)
	370	{
	371	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	372	int val = 0;
373	uint16_t zio_timer;
374
375	if (sscanf(buf, "%d", &val) != 1)
376	return -EINVAL;
377	if (val > 25500 \|\| val < 100)
378	return -ERANGE;
379
380	zio_timer = (uint16_t)(val / 100);
381	ha->zio_timer = zio_timer;
382
383	return strlen(buf);
384	}
385
afb046e2 AV	386	static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
	387	NULL);
	388	static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
	389	static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
	390	static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
	391	static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
	392	static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
	393	static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
	394	static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
	395	static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
4fdfefe5 AV	396	static CLASS_DEVICE_ATTR(zio, S_IRUGO \| S_IWUSR, qla2x00_zio_show,
	397	qla2x00_zio_store);
	398	static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO \| S_IWUSR, qla2x00_zio_timer_show,
	399	qla2x00_zio_timer_store);
afb046e2 AV	400
	401	struct class_device_attribute *qla2x00_host_attrs[] = {
	402	&class_device_attr_driver_version,
	403	&class_device_attr_fw_version,
	404	&class_device_attr_serial_num,
	405	&class_device_attr_isp_name,
	406	&class_device_attr_isp_id,
	407	&class_device_attr_model_name,
	408	&class_device_attr_model_desc,
	409	&class_device_attr_pci_info,
	410	&class_device_attr_state,
4fdfefe5 AV	411	&class_device_attr_zio,
4fdfefe5 AV	412	&class_device_attr_zio_timer,
afb046e2 AV	413	NULL,
	414	};
	415
8482e118 AV	416	/* Host attributes. */
	417
	418	static void
	419	qla2x00_get_host_port_id(struct Scsi_Host *shost)
	420	{
	421	scsi_qla_host_t *ha = to_qla_host(shost);
	422
	423	fc_host_port_id(shost) = ha->d_id.b.domain << 16 \|
	424	ha->d_id.b.area << 8 \| ha->d_id.b.al_pa;
	425	}
	426
04414013 AV	427	static void
	428	qla2x00_get_host_speed(struct Scsi_Host *shost)
	429	{
	430	scsi_qla_host_t *ha = to_qla_host(shost);
	431	uint32_t speed = 0;
	432
	433	switch (ha->link_data_rate) {
	434	case LDR_1GB:
	435	speed = 1;
	436	break;
	437	case LDR_2GB:
	438	speed = 2;
	439	break;
	440	case LDR_4GB:
	441	speed = 4;
	442	break;
	443	}
	444	fc_host_speed(shost) = speed;
	445	}
	446
8d067623 AV	447	static void
	448	qla2x00_get_host_port_type(struct Scsi_Host *shost)
	449	{
	450	scsi_qla_host_t *ha = to_qla_host(shost);
	451	uint32_t port_type = FC_PORTTYPE_UNKNOWN;
	452
	453	switch (ha->current_topology) {
	454	case ISP_CFG_NL:
	455	port_type = FC_PORTTYPE_LPORT;
	456	break;
	457	case ISP_CFG_FL:
	458	port_type = FC_PORTTYPE_NLPORT;
	459	break;
	460	case ISP_CFG_N:
	461	port_type = FC_PORTTYPE_PTP;
	462	break;
	463	case ISP_CFG_F:
	464	port_type = FC_PORTTYPE_NPORT;
	465	break;
	466	}
	467	fc_host_port_type(shost) = port_type;
	468	}
	469
8482e118 AV	470	static void
	471	qla2x00_get_starget_node_name(struct scsi_target *starget)
	472	{
	473	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
	474	scsi_qla_host_t *ha = to_qla_host(host);
bdf79621	475	fc_port_t *fcport;
f8b02a85	476	u64 node_name = 0;
8482e118	477
bdf79621 AV	478	list_for_each_entry(fcport, &ha->fcports, list) {
bdf79621 AV	479	if (starget->id == fcport->os_target_id) {
f8b02a85	480	node_name = wwn_to_u64(fcport->node_name);
bdf79621 AV	481	break;
	482	}
	483	}
	484
f8b02a85	485	fc_starget_node_name(starget) = node_name;
8482e118 AV	486	}
	487
	488	static void
	489	qla2x00_get_starget_port_name(struct scsi_target *starget)
	490	{
	491	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
	492	scsi_qla_host_t *ha = to_qla_host(host);
bdf79621	493	fc_port_t *fcport;
f8b02a85	494	u64 port_name = 0;
8482e118	495
bdf79621 AV	496	list_for_each_entry(fcport, &ha->fcports, list) {
bdf79621 AV	497	if (starget->id == fcport->os_target_id) {
f8b02a85	498	port_name = wwn_to_u64(fcport->port_name);
bdf79621 AV	499	break;
	500	}
	501	}
	502
f8b02a85	503	fc_starget_port_name(starget) = port_name;
8482e118 AV	504	}
	505
	506	static void
	507	qla2x00_get_starget_port_id(struct scsi_target *starget)
	508	{
	509	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
	510	scsi_qla_host_t *ha = to_qla_host(host);
bdf79621 AV	511	fc_port_t *fcport;
	512	uint32_t port_id = ~0U;
	513
	514	list_for_each_entry(fcport, &ha->fcports, list) {
	515	if (starget->id == fcport->os_target_id) {
	516	port_id = fcport->d_id.b.domain << 16 \|
	517	fcport->d_id.b.area << 8 \| fcport->d_id.b.al_pa;
	518	break;
	519	}
	520	}
8482e118	521
8482e118 AV	522	fc_starget_port_id(starget) = port_id;
	523	}
	524
	525	static void
	526	qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
	527	{
bdf79621 AV	528	struct Scsi_Host *host = rport_to_shost(rport);
bdf79621 AV	529	scsi_qla_host_t *ha = to_qla_host(host);
8482e118 AV	530
	531	rport->dev_loss_tmo = ha->port_down_retry_count + 5;
	532	}
	533
	534	static void
	535	qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
	536	{
bdf79621 AV	537	struct Scsi_Host *host = rport_to_shost(rport);
bdf79621 AV	538	scsi_qla_host_t *ha = to_qla_host(host);
8482e118 AV	539
	540	if (timeout)
	541	ha->port_down_retry_count = timeout;
	542	else
	543	ha->port_down_retry_count = 1;
	544
	545	rport->dev_loss_tmo = ha->port_down_retry_count + 5;
	546	}
	547
91ca7b01 AV	548	static int
	549	qla2x00_issue_lip(struct Scsi_Host *shost)
	550	{
	551	scsi_qla_host_t *ha = to_qla_host(shost);
	552
	553	set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
	554	return 0;
	555	}
	556
392e2f65 AV	557	static struct fc_host_statistics *
	558	qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
	559	{
	560	scsi_qla_host_t *ha = to_qla_host(shost);
	561	int rval;
	562	uint16_t mb_stat[1];
	563	link_stat_t stat_buf;
	564	struct fc_host_statistics *pfc_host_stat;
	565
	566	pfc_host_stat = &ha->fc_host_stat;
	567	memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
	568
	569	if (IS_QLA24XX(ha) \|\| IS_QLA25XX(ha)) {
	570	rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
	571	sizeof(stat_buf) / 4, mb_stat);
	572	} else {
	573	rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
	574	mb_stat);
	575	}
	576	if (rval != 0) {
	577	qla_printk(KERN_WARNING, ha,
	578	"Unable to retrieve host statistics (%d).\n", mb_stat[0]);
	579	return pfc_host_stat;
	580	}
	581
	582	pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
	583	pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
	584	pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
	585	pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
	586	pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
	587	pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
	588
	589	return pfc_host_stat;
	590	}
	591
1c97a12a	592	struct fc_function_template qla2xxx_transport_functions = {
8482e118 AV	593
	594	.show_host_node_name = 1,
	595	.show_host_port_name = 1,
ad3e0eda AV	596	.show_host_supported_classes = 1,
ad3e0eda AV	597
8482e118 AV	598	.get_host_port_id = qla2x00_get_host_port_id,
8482e118 AV	599	.show_host_port_id = 1,
04414013 AV	600	.get_host_speed = qla2x00_get_host_speed,
04414013 AV	601	.show_host_speed = 1,
8d067623 AV	602	.get_host_port_type = qla2x00_get_host_port_type,
8d067623 AV	603	.show_host_port_type = 1,
8482e118	604
bdf79621	605	.dd_fcrport_size = sizeof(struct fc_port *),
ad3e0eda	606	.show_rport_supported_classes = 1,
8482e118 AV	607
	608	.get_starget_node_name = qla2x00_get_starget_node_name,
	609	.show_starget_node_name = 1,
	610	.get_starget_port_name = qla2x00_get_starget_port_name,
	611	.show_starget_port_name = 1,
	612	.get_starget_port_id = qla2x00_get_starget_port_id,
	613	.show_starget_port_id = 1,
	614
	615	.get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
	616	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
	617	.show_rport_dev_loss_tmo = 1,
	618
91ca7b01	619	.issue_fc_host_lip = qla2x00_issue_lip,
392e2f65	620	.get_fc_host_stats = qla2x00_get_fc_host_stats,
8482e118 AV	621	};
8482e118 AV	622
8482e118 AV	623	void
	624	qla2x00_init_host_attr(scsi_qla_host_t *ha)
	625	{
dad9c8c1 AV	626	fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
dad9c8c1 AV	627	fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
ad3e0eda	628	fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
8482e118	629	}