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

/*
 *                  QLOGIC LINUX SOFTWARE
 *
 * QLogic ISP2x00 device driver for Linux 2.6.x
 * Copyright (C) 2003-2005 QLogic Corporation
 * (www.qlogic.com)
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 */
#include "qla_def.h"

#include <linux/vmalloc.h>
#include <scsi/scsi_transport_fc.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, "%s\n", ha->brd_info->isp_name);
}

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 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);

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,
	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_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;
	uint64_t node_name = 0;

	list_for_each_entry(fcport, &ha->fcports, list) {
		if (starget->id == fcport->os_target_id) {
			node_name = *(uint64_t *)fcport->node_name;
			break;
		}
	}

	fc_starget_node_name(starget) = be64_to_cpu(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;
	uint64_t port_name = 0;

	list_for_each_entry(fcport, &ha->fcports, list) {
		if (starget->id == fcport->os_target_id) {
			port_name = *(uint64_t *)fcport->port_name;
			break;
		}
	}

	fc_starget_port_name(starget) = be64_to_cpu(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;
}

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,

	.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,

};

void
qla2x00_init_host_attr(scsi_qla_host_t *ha)
{
	fc_host_node_name(ha->host) =
	    be64_to_cpu(*(uint64_t *)ha->init_cb->node_name);
	fc_host_port_name(ha->host) =
	    be64_to_cpu(*(uint64_t *)ha->init_cb->port_name);
	fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
}
Commit	Line	Data
8482e118 AV	1	/*
	2	* QLOGIC LINUX SOFTWARE
	3	*
	4	* QLogic ISP2x00 device driver for Linux 2.6.x
	5	* Copyright (C) 2003-2005 QLogic Corporation
	6	* (www.qlogic.com)
	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2, or (at your option) any
	11	* later version.
	12	*
	13	* This program is distributed in the hope that it will be useful, but
	14	* WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	* General Public License for more details.
	17	*
	18	*/
	19	#include "qla_def.h"
	20
7aaef27b	21	#include <linux/vmalloc.h>
8482e118 AV	22	#include <scsi/scsi_transport_fc.h>
	23
	24	/* SYSFS attributes --------------------------------------------------------- */
	25
	26	static ssize_t
	27	qla2x00_sysfs_read_fw_dump(struct kobject kobj, char buf, loff_t off,
	28	size_t count)
	29	{
	30	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	31	struct device, kobj)));
	32
	33	if (ha->fw_dump_reading == 0)
	34	return 0;
	35	if (off > ha->fw_dump_buffer_len)
	36	return 0;
	37	if (off + count > ha->fw_dump_buffer_len)
	38	count = ha->fw_dump_buffer_len - off;
	39
	40	memcpy(buf, &ha->fw_dump_buffer[off], count);
	41
	42	return (count);
	43	}
	44
	45	static ssize_t
	46	qla2x00_sysfs_write_fw_dump(struct kobject kobj, char buf, loff_t off,
	47	size_t count)
	48	{
	49	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	50	struct device, kobj)));
	51	int reading;
	52	uint32_t dump_size;
	53
	54	if (off != 0)
	55	return (0);
	56
	57	reading = simple_strtol(buf, NULL, 10);
	58	switch (reading) {
	59	case 0:
	60	if (ha->fw_dump_reading == 1) {
	61	qla_printk(KERN_INFO, ha,
	62	"Firmware dump cleared on (%ld).\n",
	63	ha->host_no);
	64
	65	vfree(ha->fw_dump_buffer);
fca29703 AV	66	if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha))
	67	free_pages((unsigned long)ha->fw_dump,
	68	ha->fw_dump_order);
8482e118 AV	69
	70	ha->fw_dump_reading = 0;
	71	ha->fw_dump_buffer = NULL;
	72	ha->fw_dump = NULL;
fca29703	73	ha->fw_dumped = 0;
8482e118 AV	74	}
	75	break;
	76	case 1:
fca29703	77	if ((ha->fw_dump \|\| ha->fw_dumped) && !ha->fw_dump_reading) {
8482e118 AV	78	ha->fw_dump_reading = 1;
8482e118 AV	79
fca29703 AV	80	if (IS_QLA24XX(ha) \|\| IS_QLA25XX(ha))
	81	dump_size = FW_DUMP_SIZE_24XX;
	82	else {
	83	dump_size = FW_DUMP_SIZE_1M;
	84	if (ha->fw_memory_size < 0x20000)
	85	dump_size = FW_DUMP_SIZE_128K;
	86	else if (ha->fw_memory_size < 0x80000)
	87	dump_size = FW_DUMP_SIZE_512K;
	88	}
8482e118 AV	89	ha->fw_dump_buffer = (char *)vmalloc(dump_size);
	90	if (ha->fw_dump_buffer == NULL) {
	91	qla_printk(KERN_WARNING, ha,
	92	"Unable to allocate memory for firmware "
	93	"dump buffer (%d).\n", dump_size);
	94
	95	ha->fw_dump_reading = 0;
	96	return (count);
	97	}
	98	qla_printk(KERN_INFO, ha,
	99	"Firmware dump ready for read on (%ld).\n",
	100	ha->host_no);
	101	memset(ha->fw_dump_buffer, 0, dump_size);
abbd8870	102	ha->isp_ops.ascii_fw_dump(ha);
8482e118 AV	103	ha->fw_dump_buffer_len = strlen(ha->fw_dump_buffer);
	104	}
	105	break;
	106	}
	107	return (count);
	108	}
	109
	110	static struct bin_attribute sysfs_fw_dump_attr = {
	111	.attr = {
	112	.name = "fw_dump",
	113	.mode = S_IRUSR \| S_IWUSR,
	114	.owner = THIS_MODULE,
	115	},
	116	.size = 0,
	117	.read = qla2x00_sysfs_read_fw_dump,
	118	.write = qla2x00_sysfs_write_fw_dump,
	119	};
	120
	121	static ssize_t
	122	qla2x00_sysfs_read_nvram(struct kobject kobj, char buf, loff_t off,
	123	size_t count)
	124	{
	125	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	126	struct device, kobj)));
8482e118	127	unsigned long flags;
8482e118	128
459c5378	129	if (!capable(CAP_SYS_ADMIN) \|\| off != 0 \|\| count != ha->nvram_size)
8482e118 AV	130	return 0;
	131
	132	/* Read NVRAM. */
	133	spin_lock_irqsave(&ha->hardware_lock, flags);
459c5378 AV	134	ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->nvram_base,
459c5378 AV	135	ha->nvram_size);
8482e118 AV	136	spin_unlock_irqrestore(&ha->hardware_lock, flags);
	137
	138	return (count);
	139	}
	140
	141	static ssize_t
	142	qla2x00_sysfs_write_nvram(struct kobject kobj, char buf, loff_t off,
	143	size_t count)
	144	{
	145	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
	146	struct device, kobj)));
8482e118 AV	147	unsigned long flags;
8482e118 AV	148	uint16_t cnt;
8482e118	149
459c5378	150	if (!capable(CAP_SYS_ADMIN) \|\| off != 0 \|\| count != ha->nvram_size)
8482e118 AV	151	return 0;
	152
	153	/* Checksum NVRAM. */
459c5378 AV	154	if (IS_QLA24XX(ha) \|\| IS_QLA25XX(ha)) {
	155	uint32_t *iter;
	156	uint32_t chksum;
	157
	158	iter = (uint32_t *)buf;
	159	chksum = 0;
	160	for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
	161	chksum += le32_to_cpu(*iter++);
	162	chksum = ~chksum + 1;
	163	*iter = cpu_to_le32(chksum);
	164	} else {
	165	uint8_t *iter;
	166	uint8_t chksum;
	167
	168	iter = (uint8_t *)buf;
	169	chksum = 0;
	170	for (cnt = 0; cnt < count - 1; cnt++)
	171	chksum += *iter++;
	172	chksum = ~chksum + 1;
	173	*iter = chksum;
	174	}
8482e118 AV	175
	176	/* Write NVRAM. */
	177	spin_lock_irqsave(&ha->hardware_lock, flags);
459c5378	178	ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
8482e118 AV	179	spin_unlock_irqrestore(&ha->hardware_lock, flags);
	180
	181	return (count);
	182	}
	183
	184	static struct bin_attribute sysfs_nvram_attr = {
	185	.attr = {
	186	.name = "nvram",
	187	.mode = S_IRUSR \| S_IWUSR,
	188	.owner = THIS_MODULE,
	189	},
459c5378	190	.size = 0,
8482e118 AV	191	.read = qla2x00_sysfs_read_nvram,
	192	.write = qla2x00_sysfs_write_nvram,
	193	};
	194
	195	void
	196	qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
	197	{
	198	struct Scsi_Host *host = ha->host;
	199
	200	sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
459c5378	201	sysfs_nvram_attr.size = ha->nvram_size;
8482e118 AV	202	sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
	203	}
	204
	205	void
	206	qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
	207	{
	208	struct Scsi_Host *host = ha->host;
	209
	210	sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
	211	sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
	212	}
	213
afb046e2 AV	214	/* Scsi_Host attributes. */
	215
	216	static ssize_t
	217	qla2x00_drvr_version_show(struct class_device cdev, char buf)
	218	{
	219	return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
	220	}
	221
	222	static ssize_t
	223	qla2x00_fw_version_show(struct class_device cdev, char buf)
	224	{
	225	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	226	char fw_str[30];
	227
	228	return snprintf(buf, PAGE_SIZE, "%s\n",
	229	ha->isp_ops.fw_version_str(ha, fw_str));
	230	}
	231
	232	static ssize_t
	233	qla2x00_serial_num_show(struct class_device cdev, char buf)
	234	{
	235	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	236	uint32_t sn;
	237
	238	sn = ((ha->serial0 & 0x1f) << 16) \| (ha->serial2 << 8) \| ha->serial1;
	239	return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
	240	sn % 100000);
	241	}
	242
	243	static ssize_t
	244	qla2x00_isp_name_show(struct class_device cdev, char buf)
	245	{
	246	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	247	return snprintf(buf, PAGE_SIZE, "%s\n", ha->brd_info->isp_name);
	248	}
	249
	250	static ssize_t
	251	qla2x00_isp_id_show(struct class_device cdev, char buf)
	252	{
	253	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	254	return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
	255	ha->product_id[0], ha->product_id[1], ha->product_id[2],
	256	ha->product_id[3]);
	257	}
	258
	259	static ssize_t
	260	qla2x00_model_name_show(struct class_device cdev, char buf)
	261	{
	262	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	263	return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
	264	}
	265
	266	static ssize_t
	267	qla2x00_model_desc_show(struct class_device cdev, char buf)
	268	{
	269	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
	270	return snprintf(buf, PAGE_SIZE, "%s\n",
	271	ha->model_desc ? ha->model_desc: "");
	272	}
	273
	274	static ssize_t
	275	qla2x00_pci_info_show(struct class_device cdev, char buf)
	276	{
	277	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
278	char pci_info[30];
279
280	return snprintf(buf, PAGE_SIZE, "%s\n",
281	ha->isp_ops.pci_info_str(ha, pci_info));
282	}
283
284	static ssize_t
285	qla2x00_state_show(struct class_device cdev, char buf)
286	{
287	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
288	int len = 0;
289
290	if (atomic_read(&ha->loop_state) == LOOP_DOWN \|\|
291	atomic_read(&ha->loop_state) == LOOP_DEAD)
292	len = snprintf(buf, PAGE_SIZE, "Link Down\n");
293	else if (atomic_read(&ha->loop_state) != LOOP_READY \|\|
294	test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) \|\|
295	test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
296	len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
297	else {
298	len = snprintf(buf, PAGE_SIZE, "Link Up - ");
299
300	switch (ha->current_topology) {
301	case ISP_CFG_NL:
302	len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
303	break;
304	case ISP_CFG_FL:
305	len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
306	break;
307	case ISP_CFG_N:
308	len += snprintf(buf + len, PAGE_SIZE-len,
309	"N_Port to N_Port\n");
310	break;
311	case ISP_CFG_F:
312	len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
313	break;
314	default:
315	len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
316	break;
317	}
318	}
319	return len;
320	}
321
322	static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
323	NULL);
324	static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
325	static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
326	static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
327	static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
328	static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
329	static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
330	static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
331	static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
332
333	struct class_device_attribute *qla2x00_host_attrs[] = {
334	&class_device_attr_driver_version,
335	&class_device_attr_fw_version,
336	&class_device_attr_serial_num,
337	&class_device_attr_isp_name,
338	&class_device_attr_isp_id,
339	&class_device_attr_model_name,
340	&class_device_attr_model_desc,
341	&class_device_attr_pci_info,
342	&class_device_attr_state,
343	NULL,
344	};
345
8482e118 AV	346	/* Host attributes. */
	347
	348	static void
	349	qla2x00_get_host_port_id(struct Scsi_Host *shost)
	350	{
	351	scsi_qla_host_t *ha = to_qla_host(shost);
	352
	353	fc_host_port_id(shost) = ha->d_id.b.domain << 16 \|
	354	ha->d_id.b.area << 8 \| ha->d_id.b.al_pa;
	355	}
	356
	357	static void
	358	qla2x00_get_starget_node_name(struct scsi_target *starget)
	359	{
	360	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
	361	scsi_qla_host_t *ha = to_qla_host(host);
bdf79621	362	fc_port_t *fcport;
8482e118 AV	363	uint64_t node_name = 0;
8482e118 AV	364
bdf79621 AV	365	list_for_each_entry(fcport, &ha->fcports, list) {
	366	if (starget->id == fcport->os_target_id) {
	367	node_name = (uint64_t )fcport->node_name;
	368	break;
	369	}
	370	}
	371
	372	fc_starget_node_name(starget) = be64_to_cpu(node_name);
8482e118 AV	373	}
	374
	375	static void
	376	qla2x00_get_starget_port_name(struct scsi_target *starget)
	377	{
	378	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
	379	scsi_qla_host_t *ha = to_qla_host(host);
bdf79621	380	fc_port_t *fcport;
8482e118 AV	381	uint64_t port_name = 0;
8482e118 AV	382
bdf79621 AV	383	list_for_each_entry(fcport, &ha->fcports, list) {
	384	if (starget->id == fcport->os_target_id) {
	385	port_name = (uint64_t )fcport->port_name;
	386	break;
	387	}
	388	}
	389
	390	fc_starget_port_name(starget) = be64_to_cpu(port_name);
8482e118 AV	391	}
	392
	393	static void
	394	qla2x00_get_starget_port_id(struct scsi_target *starget)
	395	{
	396	struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
	397	scsi_qla_host_t *ha = to_qla_host(host);
bdf79621 AV	398	fc_port_t *fcport;
	399	uint32_t port_id = ~0U;
	400
	401	list_for_each_entry(fcport, &ha->fcports, list) {
	402	if (starget->id == fcport->os_target_id) {
	403	port_id = fcport->d_id.b.domain << 16 \|
	404	fcport->d_id.b.area << 8 \| fcport->d_id.b.al_pa;
	405	break;
	406	}
	407	}
8482e118	408
8482e118 AV	409	fc_starget_port_id(starget) = port_id;
	410	}
	411
	412	static void
	413	qla2x00_get_rport_loss_tmo(struct fc_rport *rport)
	414	{
bdf79621 AV	415	struct Scsi_Host *host = rport_to_shost(rport);
bdf79621 AV	416	scsi_qla_host_t *ha = to_qla_host(host);
8482e118 AV	417
	418	rport->dev_loss_tmo = ha->port_down_retry_count + 5;
	419	}
	420
	421	static void
	422	qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
	423	{
bdf79621 AV	424	struct Scsi_Host *host = rport_to_shost(rport);
bdf79621 AV	425	scsi_qla_host_t *ha = to_qla_host(host);
8482e118 AV	426
	427	if (timeout)
	428	ha->port_down_retry_count = timeout;
	429	else
	430	ha->port_down_retry_count = 1;
	431
	432	rport->dev_loss_tmo = ha->port_down_retry_count + 5;
	433	}
	434
1c97a12a	435	struct fc_function_template qla2xxx_transport_functions = {
8482e118 AV	436
	437	.show_host_node_name = 1,
	438	.show_host_port_name = 1,
ad3e0eda AV	439	.show_host_supported_classes = 1,
ad3e0eda AV	440
8482e118 AV	441	.get_host_port_id = qla2x00_get_host_port_id,
	442	.show_host_port_id = 1,
	443
bdf79621	444	.dd_fcrport_size = sizeof(struct fc_port *),
ad3e0eda	445	.show_rport_supported_classes = 1,
8482e118 AV	446
	447	.get_starget_node_name = qla2x00_get_starget_node_name,
	448	.show_starget_node_name = 1,
	449	.get_starget_port_name = qla2x00_get_starget_port_name,
	450	.show_starget_port_name = 1,
	451	.get_starget_port_id = qla2x00_get_starget_port_id,
	452	.show_starget_port_id = 1,
	453
	454	.get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
	455	.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
	456	.show_rport_dev_loss_tmo = 1,
	457
	458	};
	459
8482e118 AV	460	void
	461	qla2x00_init_host_attr(scsi_qla_host_t *ha)
	462	{
	463	fc_host_node_name(ha->host) =
	464	be64_to_cpu((uint64_t )ha->init_cb->node_name);
	465	fc_host_port_name(ha->host) =
	466	be64_to_cpu((uint64_t )ha->init_cb->port_name);
ad3e0eda	467	fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
8482e118	468	}