[SCSI] qla2xxx: Add support to retrieve/update HBA option-rom.
[powerpc.git] / drivers / scsi / qla2xxx / qla_attr.c
index 48e460e..92b3e13 100644 (file)
@@ -7,7 +7,6 @@
 #include "qla_def.h"
 
 #include <linux/vmalloc.h>
-#include <scsi/scsi_transport_fc.h>
 
 /* SYSFS attributes --------------------------------------------------------- */
 
@@ -114,7 +113,7 @@ qla2x00_sysfs_read_nvram(struct kobject *kobj, char *buf, loff_t off,
            struct device, kobj)));
        unsigned long   flags;
 
-       if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
+       if (!capable(CAP_SYS_ADMIN) || off != 0)
                return 0;
 
        /* Read NVRAM. */
@@ -123,7 +122,7 @@ qla2x00_sysfs_read_nvram(struct kobject *kobj, char *buf, loff_t off,
            ha->nvram_size);
        spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-       return (count);
+       return ha->nvram_size;
 }
 
 static ssize_t
@@ -175,19 +174,150 @@ static struct bin_attribute sysfs_nvram_attr = {
                .mode = S_IRUSR | S_IWUSR,
                .owner = THIS_MODULE,
        },
-       .size = 0,
+       .size = 512,
        .read = qla2x00_sysfs_read_nvram,
        .write = qla2x00_sysfs_write_nvram,
 };
 
+static ssize_t
+qla2x00_sysfs_read_optrom(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->optrom_state != QLA_SREADING)
+               return 0;
+       if (off > ha->optrom_size)
+               return 0;
+       if (off + count > ha->optrom_size)
+               count = ha->optrom_size - off;
+
+       memcpy(buf, &ha->optrom_buffer[off], count);
+
+       return count;
+}
+
+static ssize_t
+qla2x00_sysfs_write_optrom(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->optrom_state != QLA_SWRITING)
+               return -EINVAL;
+       if (off > ha->optrom_size)
+               return -ERANGE;
+       if (off + count > ha->optrom_size)
+               count = ha->optrom_size - off;
+
+       memcpy(&ha->optrom_buffer[off], buf, count);
+
+       return count;
+}
+
+static struct bin_attribute sysfs_optrom_attr = {
+       .attr = {
+               .name = "optrom",
+               .mode = S_IRUSR | S_IWUSR,
+               .owner = THIS_MODULE,
+       },
+       .size = OPTROM_SIZE_24XX,
+       .read = qla2x00_sysfs_read_optrom,
+       .write = qla2x00_sysfs_write_optrom,
+};
+
+static ssize_t
+qla2x00_sysfs_write_optrom_ctl(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 val;
+
+       if (off)
+               return 0;
+
+       if (sscanf(buf, "%d", &val) != 1)
+               return -EINVAL;
+
+       switch (val) {
+       case 0:
+               if (ha->optrom_state != QLA_SREADING &&
+                   ha->optrom_state != QLA_SWRITING)
+                       break;
+
+               ha->optrom_state = QLA_SWAITING;
+               vfree(ha->optrom_buffer);
+               ha->optrom_buffer = NULL;
+               break;
+       case 1:
+               if (ha->optrom_state != QLA_SWAITING)
+                       break;
+
+               ha->optrom_state = QLA_SREADING;
+               ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
+               if (ha->optrom_buffer == NULL) {
+                       qla_printk(KERN_WARNING, ha,
+                           "Unable to allocate memory for optrom retrieval "
+                           "(%x).\n", ha->optrom_size);
+
+                       ha->optrom_state = QLA_SWAITING;
+                       return count;
+               }
+
+               memset(ha->optrom_buffer, 0, ha->optrom_size);
+               ha->isp_ops.read_optrom(ha, ha->optrom_buffer, 0,
+                   ha->optrom_size);
+               break;
+       case 2:
+               if (ha->optrom_state != QLA_SWAITING)
+                       break;
+
+               ha->optrom_state = QLA_SWRITING;
+               ha->optrom_buffer = (uint8_t *)vmalloc(ha->optrom_size);
+               if (ha->optrom_buffer == NULL) {
+                       qla_printk(KERN_WARNING, ha,
+                           "Unable to allocate memory for optrom update "
+                           "(%x).\n", ha->optrom_size);
+
+                       ha->optrom_state = QLA_SWAITING;
+                       return count;
+               }
+               memset(ha->optrom_buffer, 0, ha->optrom_size);
+               break;
+       case 3:
+               if (ha->optrom_state != QLA_SWRITING)
+                       break;
+
+               ha->isp_ops.write_optrom(ha, ha->optrom_buffer, 0,
+                   ha->optrom_size);
+               break;
+       }
+       return count;
+}
+
+static struct bin_attribute sysfs_optrom_ctl_attr = {
+       .attr = {
+               .name = "optrom_ctl",
+               .mode = S_IWUSR,
+               .owner = THIS_MODULE,
+       },
+       .size = 0,
+       .write = qla2x00_sysfs_write_optrom_ctl,
+};
+
 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);
+       sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
+       sysfs_create_bin_file(&host->shost_gendev.kobj,
+           &sysfs_optrom_ctl_attr);
 }
 
 void
@@ -197,6 +327,12 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
 
        sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_fw_dump_attr);
        sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
+       sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
+       sysfs_remove_bin_file(&host->shost_gendev.kobj,
+           &sysfs_optrom_ctl_attr);
+
+       if (ha->beacon_blink_led == 1)
+               ha->isp_ops.beacon_off(ha);
 }
 
 /* Scsi_Host attributes. */
@@ -232,7 +368,7 @@ 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);
+       return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
 }
 
 static ssize_t
@@ -384,6 +520,50 @@ qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
        return strlen(buf);
 }
 
+static ssize_t
+qla2x00_beacon_show(struct class_device *cdev, char *buf)
+{
+       scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+       int len = 0;
+
+       if (ha->beacon_blink_led)
+               len += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
+       else
+               len += snprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
+       return len;
+}
+
+static ssize_t
+qla2x00_beacon_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;
+       int rval;
+
+       if (IS_QLA2100(ha) || IS_QLA2200(ha))
+               return -EPERM;
+
+       if (test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) {
+               qla_printk(KERN_WARNING, ha,
+                   "Abort ISP active -- ignoring beacon request.\n");
+               return -EBUSY;
+       }
+
+       if (sscanf(buf, "%d", &val) != 1)
+               return -EINVAL;
+
+       if (val)
+               rval = ha->isp_ops.beacon_on(ha);
+       else
+               rval = ha->isp_ops.beacon_off(ha);
+
+       if (rval != QLA_SUCCESS)
+               count = 0;
+
+       return count;
+}
+
 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);
@@ -398,6 +578,8 @@ 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);
+static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
+    qla2x00_beacon_store);
 
 struct class_device_attribute *qla2x00_host_attrs[] = {
        &class_device_attr_driver_version,
@@ -411,6 +593,7 @@ struct class_device_attribute *qla2x00_host_attrs[] = {
        &class_device_attr_state,
        &class_device_attr_zio,
        &class_device_attr_zio_timer,
+       &class_device_attr_beacon,
        NULL,
 };
 
@@ -425,6 +608,49 @@ qla2x00_get_host_port_id(struct Scsi_Host *shost)
            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)
 {
@@ -512,6 +738,41 @@ qla2x00_issue_lip(struct Scsi_Host *shost)
        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,
@@ -520,6 +781,10 @@ struct fc_function_template qla2xxx_transport_functions = {
 
        .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,
@@ -536,12 +801,13 @@ struct fc_function_template qla2xxx_transport_functions = {
        .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->init_cb->node_name);
-       fc_host_port_name(ha->host) = wwn_to_u64(ha->init_cb->port_name);
+       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;
 }