]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/scsi/qla2xxx/qla_attr.c
Merge branch 'omap-pool'
[linux-2.6-omap-h63xx.git] / drivers / scsi / qla2xxx / qla_attr.c
index ee9d40152430dcab236eadc4fd3dea5221ccc760..b09993a06576cfbf37ead3608b53d5256bf084f4 100644 (file)
@@ -96,7 +96,9 @@ qla2x00_sysfs_read_nvram(struct kobject *kobj,
        if (!capable(CAP_SYS_ADMIN))
                return 0;
 
-       /* Read NVRAM data from cache. */
+       if (IS_NOCACHE_VPD_TYPE(ha))
+               ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_nvram << 2,
+                   ha->nvram_size);
        return memory_read_from_buffer(buf, count, &off, ha->nvram,
                                        ha->nvram_size);
 }
@@ -111,7 +113,8 @@ qla2x00_sysfs_write_nvram(struct kobject *kobj,
        struct qla_hw_data *ha = vha->hw;
        uint16_t        cnt;
 
-       if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
+       if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
+           !ha->isp_ops->write_nvram)
                return 0;
 
        /* Checksum NVRAM. */
@@ -137,12 +140,21 @@ qla2x00_sysfs_write_nvram(struct kobject *kobj,
                *iter = chksum;
        }
 
+       if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
+               qla_printk(KERN_WARNING, ha,
+                   "HBA not online, failing NVRAM update.\n");
+               return -EAGAIN;
+       }
+
        /* Write NVRAM. */
        ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
        ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
            count);
 
+       /* NVRAM settings take effect immediately. */
        set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+       qla2xxx_wake_dpc(vha);
+       qla2x00_wait_for_chip_reset(vha);
 
        return (count);
 }
@@ -330,6 +342,12 @@ qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
                if (ha->optrom_state != QLA_SWRITING)
                        break;
 
+               if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
+                       qla_printk(KERN_WARNING, ha,
+                           "HBA not online, failing flash update.\n");
+                       return -EAGAIN;
+               }
+
                DEBUG2(qla_printk(KERN_INFO, ha,
                    "Writing flash region -- 0x%x/0x%x.\n",
                    ha->optrom_region_start, ha->optrom_region_size));
@@ -364,7 +382,9 @@ qla2x00_sysfs_read_vpd(struct kobject *kobj,
        if (!capable(CAP_SYS_ADMIN))
                return 0;
 
-       /* Read NVRAM data from cache. */
+       if (IS_NOCACHE_VPD_TYPE(ha))
+               ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
+                   ha->vpd_size);
        return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
 }
 
@@ -376,14 +396,35 @@ qla2x00_sysfs_write_vpd(struct kobject *kobj,
        struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
            struct device, kobj)));
        struct qla_hw_data *ha = vha->hw;
+       uint8_t *tmp_data;
 
-       if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
+       if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
+           !ha->isp_ops->write_nvram)
                return 0;
 
+       if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
+               qla_printk(KERN_WARNING, ha,
+                   "HBA not online, failing VPD update.\n");
+               return -EAGAIN;
+       }
+
        /* Write NVRAM. */
        ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
        ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
 
+       /* Update flash version information for 4Gb & above. */
+       if (!IS_FWI2_CAPABLE(ha))
+               goto done;
+
+       tmp_data = vmalloc(256);
+       if (!tmp_data) {
+               qla_printk(KERN_WARNING, ha,
+                   "Unable to allocate memory for VPD information update.\n");
+               goto done;
+       }
+       ha->isp_ops->get_flash_version(vha, tmp_data);
+       vfree(tmp_data);
+done:
        return count;
 }
 
@@ -458,6 +499,199 @@ static struct bin_attribute sysfs_sfp_attr = {
        .read = qla2x00_sysfs_read_sfp,
 };
 
+static ssize_t
+qla2x00_sysfs_write_reset(struct kobject *kobj,
+                       struct bin_attribute *bin_attr,
+                       char *buf, loff_t off, size_t count)
+{
+       struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
+           struct device, kobj)));
+       struct qla_hw_data *ha = vha->hw;
+       int type;
+
+       if (off != 0)
+               return 0;
+
+       type = simple_strtol(buf, NULL, 10);
+       switch (type) {
+       case 0x2025c:
+               qla_printk(KERN_INFO, ha,
+                   "Issuing ISP reset on (%ld).\n", vha->host_no);
+
+               scsi_block_requests(vha->host);
+               set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+               qla2xxx_wake_dpc(vha);
+               qla2x00_wait_for_chip_reset(vha);
+               scsi_unblock_requests(vha->host);
+               break;
+       case 0x2025d:
+               if (!IS_QLA81XX(ha))
+                       break;
+
+               qla_printk(KERN_INFO, ha,
+                   "Issuing MPI reset on (%ld).\n", vha->host_no);
+
+               /* Make sure FC side is not in reset */
+               qla2x00_wait_for_hba_online(vha);
+
+               /* Issue MPI reset */
+               scsi_block_requests(vha->host);
+               if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
+                       qla_printk(KERN_WARNING, ha,
+                           "MPI reset failed on (%ld).\n", vha->host_no);
+               scsi_unblock_requests(vha->host);
+               break;
+       }
+       return count;
+}
+
+static struct bin_attribute sysfs_reset_attr = {
+       .attr = {
+               .name = "reset",
+               .mode = S_IWUSR,
+       },
+       .size = 0,
+       .write = qla2x00_sysfs_write_reset,
+};
+
+static ssize_t
+qla2x00_sysfs_write_edc(struct kobject *kobj,
+                       struct bin_attribute *bin_attr,
+                       char *buf, loff_t off, size_t count)
+{
+       struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
+           struct device, kobj)));
+       struct qla_hw_data *ha = vha->hw;
+       uint16_t dev, adr, opt, len;
+       int rval;
+
+       ha->edc_data_len = 0;
+
+       if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
+               return 0;
+
+       if (!ha->edc_data) {
+               ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
+                   &ha->edc_data_dma);
+               if (!ha->edc_data) {
+                       DEBUG2(qla_printk(KERN_INFO, ha,
+                           "Unable to allocate memory for EDC write.\n"));
+                       return 0;
+               }
+       }
+
+       dev = le16_to_cpup((void *)&buf[0]);
+       adr = le16_to_cpup((void *)&buf[2]);
+       opt = le16_to_cpup((void *)&buf[4]);
+       len = le16_to_cpup((void *)&buf[6]);
+
+       if (!(opt & BIT_0))
+               if (len == 0 || len > DMA_POOL_SIZE || len > count - 8)
+                       return -EINVAL;
+
+       memcpy(ha->edc_data, &buf[8], len);
+
+       rval = qla2x00_write_edc(vha, dev, adr, ha->edc_data_dma,
+           ha->edc_data, len, opt);
+       if (rval != QLA_SUCCESS) {
+               DEBUG2(qla_printk(KERN_INFO, ha,
+                   "Unable to write EDC (%x) %02x:%02x:%04x:%02x:%02x.\n",
+                   rval, dev, adr, opt, len, *buf));
+               return 0;
+       }
+
+       return count;
+}
+
+static struct bin_attribute sysfs_edc_attr = {
+       .attr = {
+               .name = "edc",
+               .mode = S_IWUSR,
+       },
+       .size = 0,
+       .write = qla2x00_sysfs_write_edc,
+};
+
+static ssize_t
+qla2x00_sysfs_write_edc_status(struct kobject *kobj,
+                       struct bin_attribute *bin_attr,
+                       char *buf, loff_t off, size_t count)
+{
+       struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
+           struct device, kobj)));
+       struct qla_hw_data *ha = vha->hw;
+       uint16_t dev, adr, opt, len;
+       int rval;
+
+       ha->edc_data_len = 0;
+
+       if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
+               return 0;
+
+       if (!ha->edc_data) {
+               ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
+                   &ha->edc_data_dma);
+               if (!ha->edc_data) {
+                       DEBUG2(qla_printk(KERN_INFO, ha,
+                           "Unable to allocate memory for EDC status.\n"));
+                       return 0;
+               }
+       }
+
+       dev = le16_to_cpup((void *)&buf[0]);
+       adr = le16_to_cpup((void *)&buf[2]);
+       opt = le16_to_cpup((void *)&buf[4]);
+       len = le16_to_cpup((void *)&buf[6]);
+
+       if (!(opt & BIT_0))
+               if (len == 0 || len > DMA_POOL_SIZE)
+                       return -EINVAL;
+
+       memset(ha->edc_data, 0, len);
+       rval = qla2x00_read_edc(vha, dev, adr, ha->edc_data_dma,
+           ha->edc_data, len, opt);
+       if (rval != QLA_SUCCESS) {
+               DEBUG2(qla_printk(KERN_INFO, ha,
+                   "Unable to write EDC status (%x) %02x:%02x:%04x:%02x.\n",
+                   rval, dev, adr, opt, len));
+               return 0;
+       }
+
+       ha->edc_data_len = len;
+
+       return count;
+}
+
+static ssize_t
+qla2x00_sysfs_read_edc_status(struct kobject *kobj,
+                          struct bin_attribute *bin_attr,
+                          char *buf, loff_t off, size_t count)
+{
+       struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
+           struct device, kobj)));
+       struct qla_hw_data *ha = vha->hw;
+
+       if (!capable(CAP_SYS_ADMIN) || off != 0 || count == 0)
+               return 0;
+
+       if (!ha->edc_data || ha->edc_data_len == 0 || ha->edc_data_len > count)
+               return -EINVAL;
+
+       memcpy(buf, ha->edc_data, ha->edc_data_len);
+
+       return ha->edc_data_len;
+}
+
+static struct bin_attribute sysfs_edc_status_attr = {
+       .attr = {
+               .name = "edc_status",
+               .mode = S_IRUSR | S_IWUSR,
+       },
+       .size = 0,
+       .write = qla2x00_sysfs_write_edc_status,
+       .read = qla2x00_sysfs_read_edc_status,
+};
+
 static struct sysfs_entry {
        char *name;
        struct bin_attribute *attr;
@@ -469,6 +703,9 @@ static struct sysfs_entry {
        { "optrom_ctl", &sysfs_optrom_ctl_attr, },
        { "vpd", &sysfs_vpd_attr, 1 },
        { "sfp", &sysfs_sfp_attr, 1 },
+       { "reset", &sysfs_reset_attr, },
+       { "edc", &sysfs_edc_attr, 2 },
+       { "edc_status", &sysfs_edc_status_attr, 2 },
        { NULL },
 };
 
@@ -482,6 +719,8 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
        for (iter = bin_file_entries; iter->name; iter++) {
                if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
                        continue;
+               if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
+                       continue;
 
                ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
                    iter->attr);
@@ -502,6 +741,8 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
        for (iter = bin_file_entries; iter->name; iter++) {
                if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
                        continue;
+               if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
+                       continue;
 
                sysfs_remove_bin_file(&host->shost_gendev.kobj,
                    iter->attr);
@@ -818,9 +1059,33 @@ qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
        if (!IS_QLA81XX(ha))
                return snprintf(buf, PAGE_SIZE, "\n");
 
-       return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x (%x)\n",
+       return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
            ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
-           ha->mpi_version[3], ha->mpi_capabilities);
+           ha->mpi_capabilities);
+}
+
+static ssize_t
+qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
+    char *buf)
+{
+       scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
+       struct qla_hw_data *ha = vha->hw;
+
+       if (!IS_QLA81XX(ha))
+               return snprintf(buf, PAGE_SIZE, "\n");
+
+       return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
+           ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
+}
+
+static ssize_t
+qla2x00_flash_block_size_show(struct device *dev,
+                             struct device_attribute *attr, char *buf)
+{
+       scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
+       struct qla_hw_data *ha = vha->hw;
+
+       return snprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
 }
 
 static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
@@ -848,6 +1113,9 @@ static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
 static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
                   NULL);
 static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
+static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
+static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
+                  NULL);
 
 struct device_attribute *qla2x00_host_attrs[] = {
        &dev_attr_driver_version,
@@ -868,6 +1136,8 @@ struct device_attribute *qla2x00_host_attrs[] = {
        &dev_attr_optrom_fw_version,
        &dev_attr_total_isp_aborts,
        &dev_attr_mpi_version,
+       &dev_attr_phy_version,
+       &dev_attr_flash_block_size,
        NULL,
 };
 
@@ -1012,7 +1282,10 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
        if (!fcport)
                return;
 
-       qla2x00_abort_fcport_cmds(fcport);
+       if (unlikely(pci_channel_offline(fcport->vha->hw->pdev)))
+               qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
+       else
+               qla2x00_abort_fcport_cmds(fcport);
 
        /*
         * Transport has effectively 'deleted' the rport, clear
@@ -1032,16 +1305,18 @@ qla2x00_terminate_rport_io(struct fc_rport *rport)
        if (!fcport)
                return;
 
+       if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
+               qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
+               return;
+       }
        /*
         * At this point all fcport's software-states are cleared.  Perform any
         * final cleanup of firmware resources (PCBs and XCBs).
         */
-       if (fcport->loop_id != FC_NO_LOOP_ID) {
+       if (fcport->loop_id != FC_NO_LOOP_ID)
                fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
                        fcport->loop_id, fcport->d_id.b.domain,
                        fcport->d_id.b.area, fcport->d_id.b.al_pa);
-               fcport->loop_id = FC_NO_LOOP_ID;
-       }
 
        qla2x00_abort_fcport_cmds(fcport);
 }