diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_attr.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_attr.c | 3385 |
1 files changed, 3385 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c new file mode 100644 index 000000000..07fbaa452 --- /dev/null +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -0,0 +1,3385 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * QLogic Fibre Channel HBA Driver + * Copyright (c) 2003-2014 QLogic Corporation + */ +#include "qla_def.h" +#include "qla_target.h" + +#include <linux/kthread.h> +#include <linux/vmalloc.h> +#include <linux/slab.h> +#include <linux/delay.h> + +static int qla24xx_vport_disable(struct fc_vport *, bool); + +/* SYSFS attributes --------------------------------------------------------- */ + +static ssize_t +qla2x00_sysfs_read_fw_dump(struct file *filp, 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 rval = 0; + + if (!(ha->fw_dump_reading || ha->mctp_dump_reading || + ha->mpi_fw_dump_reading)) + return 0; + + mutex_lock(&ha->optrom_mutex); + if (IS_P3P_TYPE(ha)) { + if (off < ha->md_template_size) { + rval = memory_read_from_buffer(buf, count, + &off, ha->md_tmplt_hdr, ha->md_template_size); + } else { + off -= ha->md_template_size; + rval = memory_read_from_buffer(buf, count, + &off, ha->md_dump, ha->md_dump_size); + } + } else if (ha->mctp_dumped && ha->mctp_dump_reading) { + rval = memory_read_from_buffer(buf, count, &off, ha->mctp_dump, + MCTP_DUMP_SIZE); + } else if (ha->mpi_fw_dumped && ha->mpi_fw_dump_reading) { + rval = memory_read_from_buffer(buf, count, &off, + ha->mpi_fw_dump, + ha->mpi_fw_dump_len); + } else if (ha->fw_dump_reading) { + rval = memory_read_from_buffer(buf, count, &off, ha->fw_dump, + ha->fw_dump_len); + } else { + rval = 0; + } + mutex_unlock(&ha->optrom_mutex); + return rval; +} + +static ssize_t +qla2x00_sysfs_write_fw_dump(struct file *filp, 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 reading; + + if (off != 0) + return (0); + + reading = simple_strtol(buf, NULL, 10); + switch (reading) { + case 0: + if (!ha->fw_dump_reading) + break; + + ql_log(ql_log_info, vha, 0x705d, + "Firmware dump cleared on (%ld).\n", vha->host_no); + + if (IS_P3P_TYPE(ha)) { + qla82xx_md_free(vha); + qla82xx_md_prep(vha); + } + ha->fw_dump_reading = 0; + ha->fw_dumped = false; + break; + case 1: + if (ha->fw_dumped && !ha->fw_dump_reading) { + ha->fw_dump_reading = 1; + + ql_log(ql_log_info, vha, 0x705e, + "Raw firmware dump ready for read on (%ld).\n", + vha->host_no); + } + break; + case 2: + qla2x00_alloc_fw_dump(vha); + break; + case 3: + if (IS_QLA82XX(ha)) { + qla82xx_idc_lock(ha); + qla82xx_set_reset_owner(vha); + qla82xx_idc_unlock(ha); + } else if (IS_QLA8044(ha)) { + qla8044_idc_lock(ha); + qla82xx_set_reset_owner(vha); + qla8044_idc_unlock(ha); + } else { + qla2x00_system_error(vha); + } + break; + case 4: + if (IS_P3P_TYPE(ha)) { + if (ha->md_tmplt_hdr) + ql_dbg(ql_dbg_user, vha, 0x705b, + "MiniDump supported with this firmware.\n"); + else + ql_dbg(ql_dbg_user, vha, 0x709d, + "MiniDump not supported with this firmware.\n"); + } + break; + case 5: + if (IS_P3P_TYPE(ha)) + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + break; + case 6: + if (!ha->mctp_dump_reading) + break; + ql_log(ql_log_info, vha, 0x70c1, + "MCTP dump cleared on (%ld).\n", vha->host_no); + ha->mctp_dump_reading = 0; + ha->mctp_dumped = 0; + break; + case 7: + if (ha->mctp_dumped && !ha->mctp_dump_reading) { + ha->mctp_dump_reading = 1; + ql_log(ql_log_info, vha, 0x70c2, + "Raw mctp dump ready for read on (%ld).\n", + vha->host_no); + } + break; + case 8: + if (!ha->mpi_fw_dump_reading) + break; + ql_log(ql_log_info, vha, 0x70e7, + "MPI firmware dump cleared on (%ld).\n", vha->host_no); + ha->mpi_fw_dump_reading = 0; + ha->mpi_fw_dumped = 0; + break; + case 9: + if (ha->mpi_fw_dumped && !ha->mpi_fw_dump_reading) { + ha->mpi_fw_dump_reading = 1; + ql_log(ql_log_info, vha, 0x70e8, + "Raw MPI firmware dump ready for read on (%ld).\n", + vha->host_no); + } + break; + case 10: + if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { + ql_log(ql_log_info, vha, 0x70e9, + "Issuing MPI firmware dump on host#%ld.\n", + vha->host_no); + ha->isp_ops->mpi_fw_dump(vha, 0); + } + break; + } + return count; +} + +static struct bin_attribute sysfs_fw_dump_attr = { + .attr = { + .name = "fw_dump", + .mode = S_IRUSR | S_IWUSR, + }, + .size = 0, + .read = qla2x00_sysfs_read_fw_dump, + .write = qla2x00_sysfs_write_fw_dump, +}; + +static ssize_t +qla2x00_sysfs_read_nvram(struct file *filp, 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; + uint32_t faddr; + struct active_regions active_regions = { }; + + if (!capable(CAP_SYS_ADMIN)) + return 0; + + mutex_lock(&ha->optrom_mutex); + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&ha->optrom_mutex); + return -EAGAIN; + } + + if (!IS_NOCACHE_VPD_TYPE(ha)) { + mutex_unlock(&ha->optrom_mutex); + goto skip; + } + + faddr = ha->flt_region_nvram; + if (IS_QLA28XX(ha)) { + qla28xx_get_aux_images(vha, &active_regions); + if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE) + faddr = ha->flt_region_nvram_sec; + } + ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size); + + mutex_unlock(&ha->optrom_mutex); + +skip: + return memory_read_from_buffer(buf, count, &off, ha->nvram, + ha->nvram_size); +} + +static ssize_t +qla2x00_sysfs_write_nvram(struct file *filp, 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 cnt; + + if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size || + !ha->isp_ops->write_nvram) + return -EINVAL; + + /* Checksum NVRAM. */ + if (IS_FWI2_CAPABLE(ha)) { + __le32 *iter = (__force __le32 *)buf; + uint32_t chksum; + + chksum = 0; + for (cnt = 0; cnt < ((count >> 2) - 1); cnt++, iter++) + 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; + } + + if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x705f, + "HBA not online, failing NVRAM update.\n"); + return -EAGAIN; + } + + mutex_lock(&ha->optrom_mutex); + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&ha->optrom_mutex); + return -EAGAIN; + } + + /* Write NVRAM. */ + ha->isp_ops->write_nvram(vha, buf, ha->nvram_base, count); + ha->isp_ops->read_nvram(vha, ha->nvram, ha->nvram_base, + count); + mutex_unlock(&ha->optrom_mutex); + + ql_dbg(ql_dbg_user, vha, 0x7060, + "Setting ISP_ABORT_NEEDED\n"); + /* 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; +} + +static struct bin_attribute sysfs_nvram_attr = { + .attr = { + .name = "nvram", + .mode = S_IRUSR | S_IWUSR, + }, + .size = 512, + .read = qla2x00_sysfs_read_nvram, + .write = qla2x00_sysfs_write_nvram, +}; + +static ssize_t +qla2x00_sysfs_read_optrom(struct file *filp, 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; + ssize_t rval = 0; + + mutex_lock(&ha->optrom_mutex); + + if (ha->optrom_state != QLA_SREADING) + goto out; + + rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer, + ha->optrom_region_size); + +out: + mutex_unlock(&ha->optrom_mutex); + + return rval; +} + +static ssize_t +qla2x00_sysfs_write_optrom(struct file *filp, 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; + + mutex_lock(&ha->optrom_mutex); + + if (ha->optrom_state != QLA_SWRITING) { + mutex_unlock(&ha->optrom_mutex); + return -EINVAL; + } + if (off > ha->optrom_region_size) { + mutex_unlock(&ha->optrom_mutex); + return -ERANGE; + } + if (off + count > ha->optrom_region_size) + count = ha->optrom_region_size - off; + + memcpy(&ha->optrom_buffer[off], buf, count); + mutex_unlock(&ha->optrom_mutex); + + return count; +} + +static struct bin_attribute sysfs_optrom_attr = { + .attr = { + .name = "optrom", + .mode = S_IRUSR | S_IWUSR, + }, + .size = 0, + .read = qla2x00_sysfs_read_optrom, + .write = qla2x00_sysfs_write_optrom, +}; + +static ssize_t +qla2x00_sysfs_write_optrom_ctl(struct file *filp, 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; + uint32_t start = 0; + uint32_t size = ha->optrom_size; + int val, valid; + ssize_t rval = count; + + if (off) + return -EINVAL; + + if (unlikely(pci_channel_offline(ha->pdev))) + return -EAGAIN; + + if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1) + return -EINVAL; + if (start > ha->optrom_size) + return -EINVAL; + if (size > ha->optrom_size - start) + size = ha->optrom_size - start; + + mutex_lock(&ha->optrom_mutex); + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&ha->optrom_mutex); + return -EAGAIN; + } + switch (val) { + case 0: + if (ha->optrom_state != QLA_SREADING && + ha->optrom_state != QLA_SWRITING) { + rval = -EINVAL; + goto out; + } + ha->optrom_state = QLA_SWAITING; + + ql_dbg(ql_dbg_user, vha, 0x7061, + "Freeing flash region allocation -- 0x%x bytes.\n", + ha->optrom_region_size); + + vfree(ha->optrom_buffer); + ha->optrom_buffer = NULL; + break; + case 1: + if (ha->optrom_state != QLA_SWAITING) { + rval = -EINVAL; + goto out; + } + + ha->optrom_region_start = start; + ha->optrom_region_size = size; + + ha->optrom_state = QLA_SREADING; + ha->optrom_buffer = vzalloc(ha->optrom_region_size); + if (ha->optrom_buffer == NULL) { + ql_log(ql_log_warn, vha, 0x7062, + "Unable to allocate memory for optrom retrieval " + "(%x).\n", ha->optrom_region_size); + + ha->optrom_state = QLA_SWAITING; + rval = -ENOMEM; + goto out; + } + + if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x7063, + "HBA not online, failing NVRAM update.\n"); + rval = -EAGAIN; + goto out; + } + + ql_dbg(ql_dbg_user, vha, 0x7064, + "Reading flash region -- 0x%x/0x%x.\n", + ha->optrom_region_start, ha->optrom_region_size); + + ha->isp_ops->read_optrom(vha, ha->optrom_buffer, + ha->optrom_region_start, ha->optrom_region_size); + break; + case 2: + if (ha->optrom_state != QLA_SWAITING) { + rval = -EINVAL; + goto out; + } + + /* + * We need to be more restrictive on which FLASH regions are + * allowed to be updated via user-space. Regions accessible + * via this method include: + * + * ISP21xx/ISP22xx/ISP23xx type boards: + * + * 0x000000 -> 0x020000 -- Boot code. + * + * ISP2322/ISP24xx type boards: + * + * 0x000000 -> 0x07ffff -- Boot code. + * 0x080000 -> 0x0fffff -- Firmware. + * + * ISP25xx type boards: + * + * 0x000000 -> 0x07ffff -- Boot code. + * 0x080000 -> 0x0fffff -- Firmware. + * 0x120000 -> 0x12ffff -- VPD and HBA parameters. + * + * > ISP25xx type boards: + * + * None -- should go through BSG. + */ + valid = 0; + if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0) + valid = 1; + else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)) + valid = 1; + if (!valid) { + ql_log(ql_log_warn, vha, 0x7065, + "Invalid start region 0x%x/0x%x.\n", start, size); + rval = -EINVAL; + goto out; + } + + ha->optrom_region_start = start; + ha->optrom_region_size = size; + + ha->optrom_state = QLA_SWRITING; + ha->optrom_buffer = vzalloc(ha->optrom_region_size); + if (ha->optrom_buffer == NULL) { + ql_log(ql_log_warn, vha, 0x7066, + "Unable to allocate memory for optrom update " + "(%x)\n", ha->optrom_region_size); + + ha->optrom_state = QLA_SWAITING; + rval = -ENOMEM; + goto out; + } + + ql_dbg(ql_dbg_user, vha, 0x7067, + "Staging flash region write -- 0x%x/0x%x.\n", + ha->optrom_region_start, ha->optrom_region_size); + + break; + case 3: + if (ha->optrom_state != QLA_SWRITING) { + rval = -EINVAL; + goto out; + } + + if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x7068, + "HBA not online, failing flash update.\n"); + rval = -EAGAIN; + goto out; + } + + ql_dbg(ql_dbg_user, vha, 0x7069, + "Writing flash region -- 0x%x/0x%x.\n", + ha->optrom_region_start, ha->optrom_region_size); + + rval = ha->isp_ops->write_optrom(vha, ha->optrom_buffer, + ha->optrom_region_start, ha->optrom_region_size); + if (rval) + rval = -EIO; + break; + default: + rval = -EINVAL; + } + +out: + mutex_unlock(&ha->optrom_mutex); + return rval; +} + +static struct bin_attribute sysfs_optrom_ctl_attr = { + .attr = { + .name = "optrom_ctl", + .mode = S_IWUSR, + }, + .size = 0, + .write = qla2x00_sysfs_write_optrom_ctl, +}; + +static ssize_t +qla2x00_sysfs_read_vpd(struct file *filp, 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; + uint32_t faddr; + struct active_regions active_regions = { }; + + if (unlikely(pci_channel_offline(ha->pdev))) + return -EAGAIN; + + if (!capable(CAP_SYS_ADMIN)) + return -EINVAL; + + if (!IS_NOCACHE_VPD_TYPE(ha)) + goto skip; + + faddr = ha->flt_region_vpd << 2; + + if (IS_QLA28XX(ha)) { + qla28xx_get_aux_images(vha, &active_regions); + if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE) + faddr = ha->flt_region_vpd_sec << 2; + + ql_dbg(ql_dbg_init, vha, 0x7070, + "Loading %s nvram image.\n", + active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ? + "primary" : "secondary"); + } + + mutex_lock(&ha->optrom_mutex); + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&ha->optrom_mutex); + return -EAGAIN; + } + + ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size); + mutex_unlock(&ha->optrom_mutex); + + ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size); +skip: + return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size); +} + +static ssize_t +qla2x00_sysfs_write_vpd(struct file *filp, 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; + uint8_t *tmp_data; + + if (unlikely(pci_channel_offline(ha->pdev))) + return 0; + + if (qla2x00_chip_is_down(vha)) + return 0; + + 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) { + ql_log(ql_log_warn, vha, 0x706a, + "HBA not online, failing VPD update.\n"); + return -EAGAIN; + } + + mutex_lock(&ha->optrom_mutex); + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&ha->optrom_mutex); + return -EAGAIN; + } + + /* Write NVRAM. */ + ha->isp_ops->write_nvram(vha, buf, ha->vpd_base, count); + ha->isp_ops->read_nvram(vha, ha->vpd, ha->vpd_base, count); + + /* Update flash version information for 4Gb & above. */ + if (!IS_FWI2_CAPABLE(ha)) { + mutex_unlock(&ha->optrom_mutex); + return -EINVAL; + } + + tmp_data = vmalloc(256); + if (!tmp_data) { + mutex_unlock(&ha->optrom_mutex); + ql_log(ql_log_warn, vha, 0x706b, + "Unable to allocate memory for VPD information update.\n"); + return -ENOMEM; + } + ha->isp_ops->get_flash_version(vha, tmp_data); + vfree(tmp_data); + + mutex_unlock(&ha->optrom_mutex); + + return count; +} + +static struct bin_attribute sysfs_vpd_attr = { + .attr = { + .name = "vpd", + .mode = S_IRUSR | S_IWUSR, + }, + .size = 0, + .read = qla2x00_sysfs_read_vpd, + .write = qla2x00_sysfs_write_vpd, +}; + +static ssize_t +qla2x00_sysfs_read_sfp(struct file *filp, 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))); + int rval; + + if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE) + return 0; + + mutex_lock(&vha->hw->optrom_mutex); + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&vha->hw->optrom_mutex); + return 0; + } + + rval = qla2x00_read_sfp_dev(vha, buf, count); + mutex_unlock(&vha->hw->optrom_mutex); + + if (rval) + return -EIO; + + return count; +} + +static struct bin_attribute sysfs_sfp_attr = { + .attr = { + .name = "sfp", + .mode = S_IRUSR | S_IWUSR, + }, + .size = SFP_DEV_SIZE, + .read = qla2x00_sysfs_read_sfp, +}; + +static ssize_t +qla2x00_sysfs_write_reset(struct file *filp, 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; + struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); + int type; + uint32_t idc_control; + uint8_t *tmp_data = NULL; + + if (off != 0) + return -EINVAL; + + type = simple_strtol(buf, NULL, 10); + switch (type) { + case 0x2025c: + ql_log(ql_log_info, vha, 0x706e, + "Issuing ISP reset.\n"); + + if (vha->hw->flags.port_isolated) { + ql_log(ql_log_info, vha, 0x706e, + "Port is isolated, returning.\n"); + return -EINVAL; + } + + scsi_block_requests(vha->host); + if (IS_QLA82XX(ha)) { + ha->flags.isp82xx_no_md_cap = 1; + qla82xx_idc_lock(ha); + qla82xx_set_reset_owner(vha); + qla82xx_idc_unlock(ha); + } else if (IS_QLA8044(ha)) { + qla8044_idc_lock(ha); + idc_control = qla8044_rd_reg(ha, + QLA8044_IDC_DRV_CTRL); + qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL, + (idc_control | GRACEFUL_RESET_BIT1)); + qla82xx_set_reset_owner(vha); + qla8044_idc_unlock(ha); + } else { + 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) && !IS_QLA83XX(ha) && + !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) + return -EPERM; + + ql_log(ql_log_info, vha, 0x706f, + "Issuing MPI reset.\n"); + + if (IS_QLA83XX(ha)) { + uint32_t idc_control; + + qla83xx_idc_lock(vha, 0); + __qla83xx_get_idc_control(vha, &idc_control); + idc_control |= QLA83XX_IDC_GRACEFUL_RESET; + __qla83xx_set_idc_control(vha, idc_control); + qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, + QLA8XXX_DEV_NEED_RESET); + qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP); + qla83xx_idc_unlock(vha, 0); + break; + } else { + /* Make sure FC side is not in reset */ + WARN_ON_ONCE(qla2x00_wait_for_hba_online(vha) != + QLA_SUCCESS); + + /* Issue MPI reset */ + scsi_block_requests(vha->host); + if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS) + ql_log(ql_log_warn, vha, 0x7070, + "MPI reset failed.\n"); + scsi_unblock_requests(vha->host); + break; + } + break; + case 0x2025e: + if (!IS_P3P_TYPE(ha) || vha != base_vha) { + ql_log(ql_log_info, vha, 0x7071, + "FCoE ctx reset not supported.\n"); + return -EPERM; + } + + ql_log(ql_log_info, vha, 0x7072, + "Issuing FCoE ctx reset.\n"); + set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + qla2x00_wait_for_fcoe_ctx_reset(vha); + break; + case 0x2025f: + if (!IS_QLA8031(ha)) + return -EPERM; + ql_log(ql_log_info, vha, 0x70bc, + "Disabling Reset by IDC control\n"); + qla83xx_idc_lock(vha, 0); + __qla83xx_get_idc_control(vha, &idc_control); + idc_control |= QLA83XX_IDC_RESET_DISABLED; + __qla83xx_set_idc_control(vha, idc_control); + qla83xx_idc_unlock(vha, 0); + break; + case 0x20260: + if (!IS_QLA8031(ha)) + return -EPERM; + ql_log(ql_log_info, vha, 0x70bd, + "Enabling Reset by IDC control\n"); + qla83xx_idc_lock(vha, 0); + __qla83xx_get_idc_control(vha, &idc_control); + idc_control &= ~QLA83XX_IDC_RESET_DISABLED; + __qla83xx_set_idc_control(vha, idc_control); + qla83xx_idc_unlock(vha, 0); + break; + case 0x20261: + ql_dbg(ql_dbg_user, vha, 0x70e0, + "Updating cache versions without reset "); + + tmp_data = vmalloc(256); + if (!tmp_data) { + ql_log(ql_log_warn, vha, 0x70e1, + "Unable to allocate memory for VPD information update.\n"); + return -ENOMEM; + } + ha->isp_ops->get_flash_version(vha, tmp_data); + vfree(tmp_data); + 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_issue_logo(struct file *filp, 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))); + int type; + port_id_t did; + + if (!capable(CAP_SYS_ADMIN)) + return 0; + + if (unlikely(pci_channel_offline(vha->hw->pdev))) + return 0; + + if (qla2x00_chip_is_down(vha)) + return 0; + + type = simple_strtol(buf, NULL, 10); + + did.b.domain = (type & 0x00ff0000) >> 16; + did.b.area = (type & 0x0000ff00) >> 8; + did.b.al_pa = (type & 0x000000ff); + + ql_log(ql_log_info, vha, 0xd04d, "portid=%02x%02x%02x done\n", + did.b.domain, did.b.area, did.b.al_pa); + + ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type); + + qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did); + return count; +} + +static struct bin_attribute sysfs_issue_logo_attr = { + .attr = { + .name = "issue_logo", + .mode = S_IWUSR, + }, + .size = 0, + .write = qla2x00_issue_logo, +}; + +static ssize_t +qla2x00_sysfs_read_xgmac_stats(struct file *filp, 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 rval; + uint16_t actual_size; + + if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE) + return 0; + + if (unlikely(pci_channel_offline(ha->pdev))) + return 0; + mutex_lock(&vha->hw->optrom_mutex); + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&vha->hw->optrom_mutex); + return 0; + } + + if (ha->xgmac_data) + goto do_read; + + ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE, + &ha->xgmac_data_dma, GFP_KERNEL); + if (!ha->xgmac_data) { + mutex_unlock(&vha->hw->optrom_mutex); + ql_log(ql_log_warn, vha, 0x7076, + "Unable to allocate memory for XGMAC read-data.\n"); + return 0; + } + +do_read: + actual_size = 0; + memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE); + + rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma, + XGMAC_DATA_SIZE, &actual_size); + + mutex_unlock(&vha->hw->optrom_mutex); + if (rval != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x7077, + "Unable to read XGMAC data (%x).\n", rval); + count = 0; + } + + count = actual_size > count ? count : actual_size; + memcpy(buf, ha->xgmac_data, count); + + return count; +} + +static struct bin_attribute sysfs_xgmac_stats_attr = { + .attr = { + .name = "xgmac_stats", + .mode = S_IRUSR, + }, + .size = 0, + .read = qla2x00_sysfs_read_xgmac_stats, +}; + +static ssize_t +qla2x00_sysfs_read_dcbx_tlv(struct file *filp, 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 rval; + + if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE) + return 0; + + mutex_lock(&vha->hw->optrom_mutex); + if (ha->dcbx_tlv) + goto do_read; + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&vha->hw->optrom_mutex); + return 0; + } + + ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE, + &ha->dcbx_tlv_dma, GFP_KERNEL); + if (!ha->dcbx_tlv) { + mutex_unlock(&vha->hw->optrom_mutex); + ql_log(ql_log_warn, vha, 0x7078, + "Unable to allocate memory for DCBX TLV read-data.\n"); + return -ENOMEM; + } + +do_read: + memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE); + + rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma, + DCBX_TLV_DATA_SIZE); + + mutex_unlock(&vha->hw->optrom_mutex); + + if (rval != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x7079, + "Unable to read DCBX TLV (%x).\n", rval); + return -EIO; + } + + memcpy(buf, ha->dcbx_tlv, count); + + return count; +} + +static struct bin_attribute sysfs_dcbx_tlv_attr = { + .attr = { + .name = "dcbx_tlv", + .mode = S_IRUSR, + }, + .size = 0, + .read = qla2x00_sysfs_read_dcbx_tlv, +}; + +static struct sysfs_entry { + char *name; + struct bin_attribute *attr; + int type; +} bin_file_entries[] = { + { "fw_dump", &sysfs_fw_dump_attr, }, + { "nvram", &sysfs_nvram_attr, }, + { "optrom", &sysfs_optrom_attr, }, + { "optrom_ctl", &sysfs_optrom_ctl_attr, }, + { "vpd", &sysfs_vpd_attr, 1 }, + { "sfp", &sysfs_sfp_attr, 1 }, + { "reset", &sysfs_reset_attr, }, + { "issue_logo", &sysfs_issue_logo_attr, }, + { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 }, + { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 }, + { NULL }, +}; + +void +qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha) +{ + struct Scsi_Host *host = vha->host; + struct sysfs_entry *iter; + int ret; + + for (iter = bin_file_entries; iter->name; iter++) { + if (iter->type && !IS_FWI2_CAPABLE(vha->hw)) + continue; + if (iter->type == 2 && !IS_QLA25XX(vha->hw)) + continue; + if (iter->type == 3 && !(IS_CNA_CAPABLE(vha->hw))) + continue; + + ret = sysfs_create_bin_file(&host->shost_gendev.kobj, + iter->attr); + if (ret) + ql_log(ql_log_warn, vha, 0x00f3, + "Unable to create sysfs %s binary attribute (%d).\n", + iter->name, ret); + else + ql_dbg(ql_dbg_init, vha, 0x00f4, + "Successfully created sysfs %s binary attribute.\n", + iter->name); + } +} + +void +qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon) +{ + struct Scsi_Host *host = vha->host; + struct sysfs_entry *iter; + struct qla_hw_data *ha = vha->hw; + + for (iter = bin_file_entries; iter->name; iter++) { + if (iter->type && !IS_FWI2_CAPABLE(ha)) + continue; + if (iter->type == 2 && !IS_QLA25XX(ha)) + continue; + if (iter->type == 3 && !(IS_CNA_CAPABLE(ha))) + continue; + + sysfs_remove_bin_file(&host->shost_gendev.kobj, + iter->attr); + } + + if (stop_beacon && ha->beacon_blink_led == 1) + ha->isp_ops->beacon_off(vha); +} + +/* Scsi_Host attributes. */ + +static ssize_t +qla2x00_driver_version_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str); +} + +static ssize_t +qla2x00_fw_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; + char fw_str[128]; + + return scnprintf(buf, PAGE_SIZE, "%s\n", + ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str))); +} + +static ssize_t +qla2x00_serial_num_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; + uint32_t sn; + + if (IS_QLAFX00(vha->hw)) { + return scnprintf(buf, PAGE_SIZE, "%s\n", + vha->hw->mr.serial_num); + } else if (IS_FWI2_CAPABLE(ha)) { + qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1); + return strlen(strcat(buf, "\n")); + } + + sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1; + return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000, + sn % 100000); +} + +static ssize_t +qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device); +} + +static ssize_t +qla2x00_isp_id_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_QLAFX00(vha->hw)) + return scnprintf(buf, PAGE_SIZE, "%s\n", + vha->hw->mr.hw_version); + + return scnprintf(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 device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number); +} + +static ssize_t +qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc); +} + +static ssize_t +qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + char pci_info[30]; + + return scnprintf(buf, PAGE_SIZE, "%s\n", + vha->hw->isp_ops->pci_info_str(vha, pci_info, + sizeof(pci_info))); +} + +static ssize_t +qla2x00_link_state_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; + int len = 0; + + if (atomic_read(&vha->loop_state) == LOOP_DOWN || + atomic_read(&vha->loop_state) == LOOP_DEAD || + vha->device_flags & DFLG_NO_CABLE) + len = scnprintf(buf, PAGE_SIZE, "Link Down\n"); + else if (atomic_read(&vha->loop_state) != LOOP_READY || + qla2x00_chip_is_down(vha)) + len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n"); + else { + len = scnprintf(buf, PAGE_SIZE, "Link Up - "); + + switch (ha->current_topology) { + case ISP_CFG_NL: + len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n"); + break; + case ISP_CFG_FL: + len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n"); + break; + case ISP_CFG_N: + len += scnprintf(buf + len, PAGE_SIZE-len, + "N_Port to N_Port\n"); + break; + case ISP_CFG_F: + len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n"); + break; + default: + len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n"); + break; + } + } + return len; +} + +static ssize_t +qla2x00_zio_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int len = 0; + + switch (vha->hw->zio_mode) { + case QLA_ZIO_MODE_6: + len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n"); + break; + case QLA_ZIO_DISABLED: + len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n"); + break; + } + return len; +} + +static ssize_t +qla2x00_zio_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + struct qla_hw_data *ha = vha->hw; + int val = 0; + uint16_t zio_mode; + + if (!IS_ZIO_SUPPORTED(ha)) + return -ENOTSUPP; + + if (sscanf(buf, "%d", &val) != 1) + return -EINVAL; + + if (val) + zio_mode = QLA_ZIO_MODE_6; + else + zio_mode = QLA_ZIO_DISABLED; + + /* 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, &vha->dpc_flags); + } + return strlen(buf); +} + +static ssize_t +qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100); +} + +static ssize_t +qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + 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); + vha->hw->zio_timer = zio_timer; + + return strlen(buf); +} + +static ssize_t +qla_zio_threshold_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + return scnprintf(buf, PAGE_SIZE, "%d exchanges\n", + vha->hw->last_zio_threshold); +} + +static ssize_t +qla_zio_threshold_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int val = 0; + + if (vha->hw->zio_mode != QLA_ZIO_MODE_6) + return -EINVAL; + if (sscanf(buf, "%d", &val) != 1) + return -EINVAL; + if (val < 0 || val > 256) + return -ERANGE; + + atomic_set(&vha->hw->zio_threshold, val); + return strlen(buf); +} + +static ssize_t +qla2x00_beacon_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int len = 0; + + if (vha->hw->beacon_blink_led) + len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n"); + else + len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n"); + return len; +} + +static ssize_t +qla2x00_beacon_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + struct qla_hw_data *ha = vha->hw; + int val = 0; + int rval; + + if (IS_QLA2100(ha) || IS_QLA2200(ha)) + return -EPERM; + + if (sscanf(buf, "%d", &val) != 1) + return -EINVAL; + + mutex_lock(&vha->hw->optrom_mutex); + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&vha->hw->optrom_mutex); + ql_log(ql_log_warn, vha, 0x707a, + "Abort ISP active -- ignoring beacon request.\n"); + return -EBUSY; + } + + if (val) + rval = ha->isp_ops->beacon_on(vha); + else + rval = ha->isp_ops->beacon_off(vha); + + if (rval != QLA_SUCCESS) + count = 0; + + mutex_unlock(&vha->hw->optrom_mutex); + + return count; +} + +static ssize_t +qla2x00_beacon_config_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; + uint16_t led[3] = { 0 }; + + if (!IS_QLA2031(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) + return -EPERM; + + if (ql26xx_led_config(vha, 0, led)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%#04hx %#04hx %#04hx\n", + led[0], led[1], led[2]); +} + +static ssize_t +qla2x00_beacon_config_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + struct qla_hw_data *ha = vha->hw; + uint16_t options = BIT_0; + uint16_t led[3] = { 0 }; + uint16_t word[4]; + int n; + + if (!IS_QLA2031(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) + return -EPERM; + + n = sscanf(buf, "%hx %hx %hx %hx", word+0, word+1, word+2, word+3); + if (n == 4) { + if (word[0] == 3) { + options |= BIT_3|BIT_2|BIT_1; + led[0] = word[1]; + led[1] = word[2]; + led[2] = word[3]; + goto write; + } + return -EINVAL; + } + + if (n == 2) { + /* check led index */ + if (word[0] == 0) { + options |= BIT_2; + led[0] = word[1]; + goto write; + } + if (word[0] == 1) { + options |= BIT_3; + led[1] = word[1]; + goto write; + } + if (word[0] == 2) { + options |= BIT_1; + led[2] = word[1]; + goto write; + } + return -EINVAL; + } + + return -EINVAL; + +write: + if (ql26xx_led_config(vha, options, led)) + return -EFAULT; + + return count; +} + +static ssize_t +qla2x00_optrom_bios_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; + + return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1], + ha->bios_revision[0]); +} + +static ssize_t +qla2x00_optrom_efi_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; + + return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1], + ha->efi_revision[0]); +} + +static ssize_t +qla2x00_optrom_fcode_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; + + return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1], + ha->fcode_revision[0]); +} + +static ssize_t +qla2x00_optrom_fw_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; + + return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n", + ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2], + ha->fw_revision[3]); +} + +static ssize_t +qla2x00_optrom_gold_fw_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) && !IS_QLA83XX(ha) && + !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n", + ha->gold_fw_version[0], ha->gold_fw_version[1], + ha->gold_fw_version[2], ha->gold_fw_version[3]); +} + +static ssize_t +qla2x00_total_isp_aborts_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + return scnprintf(buf, PAGE_SIZE, "%d\n", + vha->qla_stats.total_isp_aborts); +} + +static ssize_t +qla24xx_84xx_fw_version_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int rval = QLA_SUCCESS; + uint16_t status[2] = { 0 }; + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + struct qla_hw_data *ha = vha->hw; + + if (!IS_QLA84XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + if (!ha->cs84xx->op_fw_version) { + rval = qla84xx_verify_chip(vha, status); + + if (!rval && !status[0]) + return scnprintf(buf, PAGE_SIZE, "%u\n", + (uint32_t)ha->cs84xx->op_fw_version); + } + + return scnprintf(buf, PAGE_SIZE, "\n"); +} + +static ssize_t +qla2x00_serdes_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_QLA27XX(ha) && !IS_QLA28XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n", + ha->serdes_version[0], ha->serdes_version[1], + ha->serdes_version[2]); +} + +static ssize_t +qla2x00_mpi_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) && !IS_QLA8031(ha) && !IS_QLA8044(ha) && + !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n", + ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2], + 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) && !IS_QLA8031(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(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 scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size); +} + +static ssize_t +qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + if (!IS_CNA_CAPABLE(vha->hw)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id); +} + +static ssize_t +qla2x00_vn_port_mac_address_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + if (!IS_CNA_CAPABLE(vha->hw)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac); +} + +static ssize_t +qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap); +} + +static ssize_t +qla2x00_thermal_temp_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + uint16_t temp = 0; + int rc; + + mutex_lock(&vha->hw->optrom_mutex); + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&vha->hw->optrom_mutex); + ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n"); + goto done; + } + + if (vha->hw->flags.eeh_busy) { + mutex_unlock(&vha->hw->optrom_mutex); + ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n"); + goto done; + } + + rc = qla2x00_get_thermal_temp(vha, &temp); + mutex_unlock(&vha->hw->optrom_mutex); + if (rc == QLA_SUCCESS) + return scnprintf(buf, PAGE_SIZE, "%d\n", temp); + +done: + return scnprintf(buf, PAGE_SIZE, "\n"); +} + +static ssize_t +qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int rval = QLA_FUNCTION_FAILED; + uint16_t state[6]; + uint32_t pstate; + + if (IS_QLAFX00(vha->hw)) { + pstate = qlafx00_fw_state_show(dev, attr, buf); + return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate); + } + + mutex_lock(&vha->hw->optrom_mutex); + if (qla2x00_chip_is_down(vha)) { + mutex_unlock(&vha->hw->optrom_mutex); + ql_log(ql_log_warn, vha, 0x707c, + "ISP reset active.\n"); + goto out; + } else if (vha->hw->flags.eeh_busy) { + mutex_unlock(&vha->hw->optrom_mutex); + goto out; + } + + rval = qla2x00_get_firmware_state(vha, state); + mutex_unlock(&vha->hw->optrom_mutex); +out: + if (rval != QLA_SUCCESS) { + memset(state, -1, sizeof(state)); + rval = qla2x00_get_firmware_state(vha, state); + } + + return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", + state[0], state[1], state[2], state[3], state[4], state[5]); +} + +static ssize_t +qla2x00_diag_requests_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + if (!IS_BIDI_CAPABLE(vha->hw)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count); +} + +static ssize_t +qla2x00_diag_megabytes_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + if (!IS_BIDI_CAPABLE(vha->hw)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%llu\n", + vha->bidi_stats.transfer_bytes >> 20); +} + +static ssize_t +qla2x00_fw_dump_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; + uint32_t size; + + if (!ha->fw_dumped) + size = 0; + else if (IS_P3P_TYPE(ha)) + size = ha->md_template_size + ha->md_dump_size; + else + size = ha->fw_dump_len; + + return scnprintf(buf, PAGE_SIZE, "%d\n", size); +} + +static ssize_t +qla2x00_allow_cna_fw_dump_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + if (!IS_P3P_TYPE(vha->hw)) + return scnprintf(buf, PAGE_SIZE, "\n"); + else + return scnprintf(buf, PAGE_SIZE, "%s\n", + vha->hw->allow_cna_fw_dump ? "true" : "false"); +} + +static ssize_t +qla2x00_allow_cna_fw_dump_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int val = 0; + + if (!IS_P3P_TYPE(vha->hw)) + return -EINVAL; + + if (sscanf(buf, "%d", &val) != 1) + return -EINVAL; + + vha->hw->allow_cna_fw_dump = val != 0; + + return strlen(buf); +} + +static ssize_t +qla2x00_pep_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_QLA27XX(ha) && !IS_QLA28XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n", + ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]); +} + +static ssize_t +qla2x00_min_supported_speed_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_QLA27XX(ha) && !IS_QLA28XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%s\n", + ha->min_supported_speed == 6 ? "64Gps" : + ha->min_supported_speed == 5 ? "32Gps" : + ha->min_supported_speed == 4 ? "16Gps" : + ha->min_supported_speed == 3 ? "8Gps" : + ha->min_supported_speed == 2 ? "4Gps" : + ha->min_supported_speed != 0 ? "unknown" : ""); +} + +static ssize_t +qla2x00_max_supported_speed_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_QLA27XX(ha) && !IS_QLA28XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%s\n", + ha->max_supported_speed == 2 ? "64Gps" : + ha->max_supported_speed == 1 ? "32Gps" : + ha->max_supported_speed == 0 ? "16Gps" : "unknown"); +} + +static ssize_t +qla2x00_port_speed_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev)); + ulong type, speed; + int oldspeed, rval; + int mode = QLA_SET_DATA_RATE_LR; + struct qla_hw_data *ha = vha->hw; + + if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) { + ql_log(ql_log_warn, vha, 0x70d8, + "Speed setting not supported \n"); + return -EINVAL; + } + + rval = kstrtol(buf, 10, &type); + if (rval) + return rval; + speed = type; + if (type == 40 || type == 80 || type == 160 || + type == 320) { + ql_dbg(ql_dbg_user, vha, 0x70d9, + "Setting will be affected after a loss of sync\n"); + type = type/10; + mode = QLA_SET_DATA_RATE_NOLR; + } + + oldspeed = ha->set_data_rate; + + switch (type) { + case 0: + ha->set_data_rate = PORT_SPEED_AUTO; + break; + case 4: + ha->set_data_rate = PORT_SPEED_4GB; + break; + case 8: + ha->set_data_rate = PORT_SPEED_8GB; + break; + case 16: + ha->set_data_rate = PORT_SPEED_16GB; + break; + case 32: + ha->set_data_rate = PORT_SPEED_32GB; + break; + default: + ql_log(ql_log_warn, vha, 0x1199, + "Unrecognized speed setting:%lx. Setting Autoneg\n", + speed); + ha->set_data_rate = PORT_SPEED_AUTO; + } + + if (qla2x00_chip_is_down(vha) || (oldspeed == ha->set_data_rate)) + return -EINVAL; + + ql_log(ql_log_info, vha, 0x70da, + "Setting speed to %lx Gbps \n", type); + + rval = qla2x00_set_data_rate(vha, mode); + if (rval != QLA_SUCCESS) + return -EIO; + + return strlen(buf); +} + +static const struct { + u16 rate; + char *str; +} port_speed_str[] = { + { PORT_SPEED_4GB, "4" }, + { PORT_SPEED_8GB, "8" }, + { PORT_SPEED_16GB, "16" }, + { PORT_SPEED_32GB, "32" }, + { PORT_SPEED_64GB, "64" }, + { PORT_SPEED_10GB, "10" }, +}; + +static ssize_t +qla2x00_port_speed_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev)); + struct qla_hw_data *ha = vha->hw; + ssize_t rval; + u16 i; + char *speed = "Unknown"; + + rval = qla2x00_get_data_rate(vha); + if (rval != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x70db, + "Unable to get port speed rval:%zd\n", rval); + return -EINVAL; + } + + for (i = 0; i < ARRAY_SIZE(port_speed_str); i++) { + if (port_speed_str[i].rate != ha->link_data_rate) + continue; + speed = port_speed_str[i].str; + break; + } + + return scnprintf(buf, PAGE_SIZE, "%s\n", speed); +} + +static ssize_t +qla2x00_mpi_pause_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int rval = 0; + + if (sscanf(buf, "%d", &rval) != 1) + return -EINVAL; + + ql_log(ql_log_warn, vha, 0x7089, "Pausing MPI...\n"); + + rval = qla83xx_wr_reg(vha, 0x002012d4, 0x30000001); + + if (rval != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0x708a, "Unable to pause MPI.\n"); + count = 0; + } + + return count; +} + +static DEVICE_ATTR(mpi_pause, S_IWUSR, NULL, qla2x00_mpi_pause_store); + +/* ----- */ + +static ssize_t +qlini_mode_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int len = 0; + + len += scnprintf(buf + len, PAGE_SIZE-len, + "Supported options: enabled | disabled | dual | exclusive\n"); + + /* --- */ + len += scnprintf(buf + len, PAGE_SIZE-len, "Current selection: "); + + switch (vha->qlini_mode) { + case QLA2XXX_INI_MODE_EXCLUSIVE: + len += scnprintf(buf + len, PAGE_SIZE-len, + QLA2XXX_INI_MODE_STR_EXCLUSIVE); + break; + case QLA2XXX_INI_MODE_DISABLED: + len += scnprintf(buf + len, PAGE_SIZE-len, + QLA2XXX_INI_MODE_STR_DISABLED); + break; + case QLA2XXX_INI_MODE_ENABLED: + len += scnprintf(buf + len, PAGE_SIZE-len, + QLA2XXX_INI_MODE_STR_ENABLED); + break; + case QLA2XXX_INI_MODE_DUAL: + len += scnprintf(buf + len, PAGE_SIZE-len, + QLA2XXX_INI_MODE_STR_DUAL); + break; + } + len += scnprintf(buf + len, PAGE_SIZE-len, "\n"); + + return len; +} + +static char *mode_to_str[] = { + "exclusive", + "disabled", + "enabled", + "dual", +}; + +#define NEED_EXCH_OFFLOAD(_exchg) ((_exchg) > FW_DEF_EXCHANGES_CNT) +static void qla_set_ini_mode(scsi_qla_host_t *vha, int op) +{ + enum { + NO_ACTION, + MODE_CHANGE_ACCEPT, + MODE_CHANGE_NO_ACTION, + TARGET_STILL_ACTIVE, + }; + int action = NO_ACTION; + int set_mode = 0; + u8 eo_toggle = 0; /* exchange offload flipped */ + + switch (vha->qlini_mode) { + case QLA2XXX_INI_MODE_DISABLED: + switch (op) { + case QLA2XXX_INI_MODE_DISABLED: + if (qla_tgt_mode_enabled(vha)) { + if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) != + vha->hw->flags.exchoffld_enabled) + eo_toggle = 1; + if (((vha->ql2xexchoffld != + vha->u_ql2xexchoffld) && + NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) || + eo_toggle) { + /* + * The number of exchange to be offload + * was tweaked or offload option was + * flipped + */ + action = MODE_CHANGE_ACCEPT; + } else { + action = MODE_CHANGE_NO_ACTION; + } + } else { + action = MODE_CHANGE_NO_ACTION; + } + break; + case QLA2XXX_INI_MODE_EXCLUSIVE: + if (qla_tgt_mode_enabled(vha)) { + if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) != + vha->hw->flags.exchoffld_enabled) + eo_toggle = 1; + if (((vha->ql2xexchoffld != + vha->u_ql2xexchoffld) && + NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) || + eo_toggle) { + /* + * The number of exchange to be offload + * was tweaked or offload option was + * flipped + */ + action = MODE_CHANGE_ACCEPT; + } else { + action = MODE_CHANGE_NO_ACTION; + } + } else { + action = MODE_CHANGE_ACCEPT; + } + break; + case QLA2XXX_INI_MODE_DUAL: + action = MODE_CHANGE_ACCEPT; + /* active_mode is target only, reset it to dual */ + if (qla_tgt_mode_enabled(vha)) { + set_mode = 1; + action = MODE_CHANGE_ACCEPT; + } else { + action = MODE_CHANGE_NO_ACTION; + } + break; + + case QLA2XXX_INI_MODE_ENABLED: + if (qla_tgt_mode_enabled(vha)) + action = TARGET_STILL_ACTIVE; + else { + action = MODE_CHANGE_ACCEPT; + set_mode = 1; + } + break; + } + break; + + case QLA2XXX_INI_MODE_EXCLUSIVE: + switch (op) { + case QLA2XXX_INI_MODE_EXCLUSIVE: + if (qla_tgt_mode_enabled(vha)) { + if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) != + vha->hw->flags.exchoffld_enabled) + eo_toggle = 1; + if (((vha->ql2xexchoffld != + vha->u_ql2xexchoffld) && + NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) || + eo_toggle) + /* + * The number of exchange to be offload + * was tweaked or offload option was + * flipped + */ + action = MODE_CHANGE_ACCEPT; + else + action = NO_ACTION; + } else + action = NO_ACTION; + + break; + + case QLA2XXX_INI_MODE_DISABLED: + if (qla_tgt_mode_enabled(vha)) { + if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) != + vha->hw->flags.exchoffld_enabled) + eo_toggle = 1; + if (((vha->ql2xexchoffld != + vha->u_ql2xexchoffld) && + NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) || + eo_toggle) + action = MODE_CHANGE_ACCEPT; + else + action = MODE_CHANGE_NO_ACTION; + } else + action = MODE_CHANGE_NO_ACTION; + break; + + case QLA2XXX_INI_MODE_DUAL: /* exclusive -> dual */ + if (qla_tgt_mode_enabled(vha)) { + action = MODE_CHANGE_ACCEPT; + set_mode = 1; + } else + action = MODE_CHANGE_ACCEPT; + break; + + case QLA2XXX_INI_MODE_ENABLED: + if (qla_tgt_mode_enabled(vha)) + action = TARGET_STILL_ACTIVE; + else { + if (vha->hw->flags.fw_started) + action = MODE_CHANGE_NO_ACTION; + else + action = MODE_CHANGE_ACCEPT; + } + break; + } + break; + + case QLA2XXX_INI_MODE_ENABLED: + switch (op) { + case QLA2XXX_INI_MODE_ENABLED: + if (NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg) != + vha->hw->flags.exchoffld_enabled) + eo_toggle = 1; + if (((vha->ql2xiniexchg != vha->u_ql2xiniexchg) && + NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg)) || + eo_toggle) + action = MODE_CHANGE_ACCEPT; + else + action = NO_ACTION; + break; + case QLA2XXX_INI_MODE_DUAL: + case QLA2XXX_INI_MODE_DISABLED: + action = MODE_CHANGE_ACCEPT; + break; + default: + action = MODE_CHANGE_NO_ACTION; + break; + } + break; + + case QLA2XXX_INI_MODE_DUAL: + switch (op) { + case QLA2XXX_INI_MODE_DUAL: + if (qla_tgt_mode_enabled(vha) || + qla_dual_mode_enabled(vha)) { + if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld + + vha->u_ql2xiniexchg) != + vha->hw->flags.exchoffld_enabled) + eo_toggle = 1; + + if ((((vha->ql2xexchoffld + + vha->ql2xiniexchg) != + (vha->u_ql2xiniexchg + + vha->u_ql2xexchoffld)) && + NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg + + vha->u_ql2xexchoffld)) || eo_toggle) + action = MODE_CHANGE_ACCEPT; + else + action = NO_ACTION; + } else { + if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld + + vha->u_ql2xiniexchg) != + vha->hw->flags.exchoffld_enabled) + eo_toggle = 1; + + if ((((vha->ql2xexchoffld + vha->ql2xiniexchg) + != (vha->u_ql2xiniexchg + + vha->u_ql2xexchoffld)) && + NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg + + vha->u_ql2xexchoffld)) || eo_toggle) + action = MODE_CHANGE_NO_ACTION; + else + action = NO_ACTION; + } + break; + + case QLA2XXX_INI_MODE_DISABLED: + if (qla_tgt_mode_enabled(vha) || + qla_dual_mode_enabled(vha)) { + /* turning off initiator mode */ + set_mode = 1; + action = MODE_CHANGE_ACCEPT; + } else { + action = MODE_CHANGE_NO_ACTION; + } + break; + + case QLA2XXX_INI_MODE_EXCLUSIVE: + if (qla_tgt_mode_enabled(vha) || + qla_dual_mode_enabled(vha)) { + set_mode = 1; + action = MODE_CHANGE_ACCEPT; + } else { + action = MODE_CHANGE_ACCEPT; + } + break; + + case QLA2XXX_INI_MODE_ENABLED: + if (qla_tgt_mode_enabled(vha) || + qla_dual_mode_enabled(vha)) { + action = TARGET_STILL_ACTIVE; + } else { + action = MODE_CHANGE_ACCEPT; + } + } + break; + } + + switch (action) { + case MODE_CHANGE_ACCEPT: + ql_log(ql_log_warn, vha, 0xffff, + "Mode change accepted. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n", + mode_to_str[vha->qlini_mode], mode_to_str[op], + vha->ql2xexchoffld, vha->u_ql2xexchoffld, + vha->ql2xiniexchg, vha->u_ql2xiniexchg); + + vha->qlini_mode = op; + vha->ql2xexchoffld = vha->u_ql2xexchoffld; + vha->ql2xiniexchg = vha->u_ql2xiniexchg; + if (set_mode) + qlt_set_mode(vha); + vha->flags.online = 1; + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + break; + + case MODE_CHANGE_NO_ACTION: + ql_log(ql_log_warn, vha, 0xffff, + "Mode is set. No action taken. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n", + mode_to_str[vha->qlini_mode], mode_to_str[op], + vha->ql2xexchoffld, vha->u_ql2xexchoffld, + vha->ql2xiniexchg, vha->u_ql2xiniexchg); + vha->qlini_mode = op; + vha->ql2xexchoffld = vha->u_ql2xexchoffld; + vha->ql2xiniexchg = vha->u_ql2xiniexchg; + break; + + case TARGET_STILL_ACTIVE: + ql_log(ql_log_warn, vha, 0xffff, + "Target Mode is active. Unable to change Mode.\n"); + break; + + case NO_ACTION: + default: + ql_log(ql_log_warn, vha, 0xffff, + "Mode unchange. No action taken. %d|%d pct %d|%d.\n", + vha->qlini_mode, op, + vha->ql2xexchoffld, vha->u_ql2xexchoffld); + break; + } +} + +static ssize_t +qlini_mode_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int ini; + + if (!buf) + return -EINVAL; + + if (strncasecmp(QLA2XXX_INI_MODE_STR_EXCLUSIVE, buf, + strlen(QLA2XXX_INI_MODE_STR_EXCLUSIVE)) == 0) + ini = QLA2XXX_INI_MODE_EXCLUSIVE; + else if (strncasecmp(QLA2XXX_INI_MODE_STR_DISABLED, buf, + strlen(QLA2XXX_INI_MODE_STR_DISABLED)) == 0) + ini = QLA2XXX_INI_MODE_DISABLED; + else if (strncasecmp(QLA2XXX_INI_MODE_STR_ENABLED, buf, + strlen(QLA2XXX_INI_MODE_STR_ENABLED)) == 0) + ini = QLA2XXX_INI_MODE_ENABLED; + else if (strncasecmp(QLA2XXX_INI_MODE_STR_DUAL, buf, + strlen(QLA2XXX_INI_MODE_STR_DUAL)) == 0) + ini = QLA2XXX_INI_MODE_DUAL; + else + return -EINVAL; + + qla_set_ini_mode(vha, ini); + return strlen(buf); +} + +static ssize_t +ql2xexchoffld_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int len = 0; + + len += scnprintf(buf + len, PAGE_SIZE-len, + "target exchange: new %d : current: %d\n\n", + vha->u_ql2xexchoffld, vha->ql2xexchoffld); + + len += scnprintf(buf + len, PAGE_SIZE-len, + "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n", + vha->host_no); + + return len; +} + +static ssize_t +ql2xexchoffld_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int val = 0; + + if (sscanf(buf, "%d", &val) != 1) + return -EINVAL; + + if (val > FW_MAX_EXCHANGES_CNT) + val = FW_MAX_EXCHANGES_CNT; + else if (val < 0) + val = 0; + + vha->u_ql2xexchoffld = val; + return strlen(buf); +} + +static ssize_t +ql2xiniexchg_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int len = 0; + + len += scnprintf(buf + len, PAGE_SIZE-len, + "target exchange: new %d : current: %d\n\n", + vha->u_ql2xiniexchg, vha->ql2xiniexchg); + + len += scnprintf(buf + len, PAGE_SIZE-len, + "Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n", + vha->host_no); + + return len; +} + +static ssize_t +ql2xiniexchg_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + int val = 0; + + if (sscanf(buf, "%d", &val) != 1) + return -EINVAL; + + if (val > FW_MAX_EXCHANGES_CNT) + val = FW_MAX_EXCHANGES_CNT; + else if (val < 0) + val = 0; + + vha->u_ql2xiniexchg = val; + return strlen(buf); +} + +static ssize_t +qla2x00_dif_bundle_statistics_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 scnprintf(buf, PAGE_SIZE, + "cross=%llu read=%llu write=%llu kalloc=%llu dma_alloc=%llu unusable=%u\n", + ha->dif_bundle_crossed_pages, ha->dif_bundle_reads, + ha->dif_bundle_writes, ha->dif_bundle_kallocs, + ha->dif_bundle_dma_allocs, ha->pool.unusable.count); +} + +static ssize_t +qla2x00_fw_attr_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_QLA27XX(ha) && !IS_QLA28XX(ha)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%llx\n", + (uint64_t)ha->fw_attributes_ext[1] << 48 | + (uint64_t)ha->fw_attributes_ext[0] << 32 | + (uint64_t)ha->fw_attributes_h << 16 | + (uint64_t)ha->fw_attributes); +} + +static ssize_t +qla2x00_port_no_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + return scnprintf(buf, PAGE_SIZE, "%u\n", vha->hw->port_no); +} + +static ssize_t +qla2x00_dport_diagnostics_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); + + if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw) && + !IS_QLA28XX(vha->hw)) + return scnprintf(buf, PAGE_SIZE, "\n"); + + if (!*vha->dport_data) + return scnprintf(buf, PAGE_SIZE, "\n"); + + return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n", + vha->dport_data[0], vha->dport_data[1], + vha->dport_data[2], vha->dport_data[3]); +} +static DEVICE_ATTR(dport_diagnostics, 0444, + qla2x00_dport_diagnostics_show, NULL); + +static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_driver_version_show, NULL); +static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL); +static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL); +static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL); +static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL); +static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL); +static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL); +static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL); +static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL); +static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store); +static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show, + qla2x00_zio_timer_store); +static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show, + qla2x00_beacon_store); +static DEVICE_ATTR(beacon_config, 0644, qla2x00_beacon_config_show, + qla2x00_beacon_config_store); +static DEVICE_ATTR(optrom_bios_version, S_IRUGO, + qla2x00_optrom_bios_version_show, NULL); +static DEVICE_ATTR(optrom_efi_version, S_IRUGO, + qla2x00_optrom_efi_version_show, NULL); +static DEVICE_ATTR(optrom_fcode_version, S_IRUGO, + qla2x00_optrom_fcode_version_show, NULL); +static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show, + NULL); +static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO, + qla2x00_optrom_gold_fw_version_show, NULL); +static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show, + NULL); +static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show, + NULL); +static DEVICE_ATTR(serdes_version, 0444, qla2x00_serdes_version_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); +static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL); +static DEVICE_ATTR(vn_port_mac_address, S_IRUGO, + qla2x00_vn_port_mac_address_show, NULL); +static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL); +static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL); +static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL); +static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL); +static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL); +static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL); +static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR, + qla2x00_allow_cna_fw_dump_show, + qla2x00_allow_cna_fw_dump_store); +static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL); +static DEVICE_ATTR(min_supported_speed, 0444, + qla2x00_min_supported_speed_show, NULL); +static DEVICE_ATTR(max_supported_speed, 0444, + qla2x00_max_supported_speed_show, NULL); +static DEVICE_ATTR(zio_threshold, 0644, + qla_zio_threshold_show, + qla_zio_threshold_store); +static DEVICE_ATTR_RW(qlini_mode); +static DEVICE_ATTR_RW(ql2xexchoffld); +static DEVICE_ATTR_RW(ql2xiniexchg); +static DEVICE_ATTR(dif_bundle_statistics, 0444, + qla2x00_dif_bundle_statistics_show, NULL); +static DEVICE_ATTR(port_speed, 0644, qla2x00_port_speed_show, + qla2x00_port_speed_store); +static DEVICE_ATTR(port_no, 0444, qla2x00_port_no_show, NULL); +static DEVICE_ATTR(fw_attr, 0444, qla2x00_fw_attr_show, NULL); + +static struct attribute *qla2x00_host_attrs[] = { + &dev_attr_driver_version.attr, + &dev_attr_fw_version.attr, + &dev_attr_serial_num.attr, + &dev_attr_isp_name.attr, + &dev_attr_isp_id.attr, + &dev_attr_model_name.attr, + &dev_attr_model_desc.attr, + &dev_attr_pci_info.attr, + &dev_attr_link_state.attr, + &dev_attr_zio.attr, + &dev_attr_zio_timer.attr, + &dev_attr_beacon.attr, + &dev_attr_beacon_config.attr, + &dev_attr_optrom_bios_version.attr, + &dev_attr_optrom_efi_version.attr, + &dev_attr_optrom_fcode_version.attr, + &dev_attr_optrom_fw_version.attr, + &dev_attr_84xx_fw_version.attr, + &dev_attr_total_isp_aborts.attr, + &dev_attr_serdes_version.attr, + &dev_attr_mpi_version.attr, + &dev_attr_phy_version.attr, + &dev_attr_flash_block_size.attr, + &dev_attr_vlan_id.attr, + &dev_attr_vn_port_mac_address.attr, + &dev_attr_fabric_param.attr, + &dev_attr_fw_state.attr, + &dev_attr_optrom_gold_fw_version.attr, + &dev_attr_thermal_temp.attr, + &dev_attr_diag_requests.attr, + &dev_attr_diag_megabytes.attr, + &dev_attr_fw_dump_size.attr, + &dev_attr_allow_cna_fw_dump.attr, + &dev_attr_pep_version.attr, + &dev_attr_min_supported_speed.attr, + &dev_attr_max_supported_speed.attr, + &dev_attr_zio_threshold.attr, + &dev_attr_dif_bundle_statistics.attr, + &dev_attr_port_speed.attr, + &dev_attr_port_no.attr, + &dev_attr_fw_attr.attr, + &dev_attr_dport_diagnostics.attr, + &dev_attr_mpi_pause.attr, + &dev_attr_qlini_mode.attr, + &dev_attr_ql2xiniexchg.attr, + &dev_attr_ql2xexchoffld.attr, + NULL, +}; + +static umode_t qla_host_attr_is_visible(struct kobject *kobj, + struct attribute *attr, int i) +{ + if (ql2x_ini_mode != QLA2XXX_INI_MODE_DUAL && + (attr == &dev_attr_qlini_mode.attr || + attr == &dev_attr_ql2xiniexchg.attr || + attr == &dev_attr_ql2xexchoffld.attr)) + return 0; + return attr->mode; +} + +static const struct attribute_group qla2x00_host_attr_group = { + .is_visible = qla_host_attr_is_visible, + .attrs = qla2x00_host_attrs +}; + +const struct attribute_group *qla2x00_host_groups[] = { + &qla2x00_host_attr_group, + NULL +}; + +/* Host attributes. */ + +static void +qla2x00_get_host_port_id(struct Scsi_Host *shost) +{ + scsi_qla_host_t *vha = shost_priv(shost); + + fc_host_port_id(shost) = vha->d_id.b.domain << 16 | + vha->d_id.b.area << 8 | vha->d_id.b.al_pa; +} + +static void +qla2x00_get_host_speed(struct Scsi_Host *shost) +{ + scsi_qla_host_t *vha = shost_priv(shost); + u32 speed; + + if (IS_QLAFX00(vha->hw)) { + qlafx00_get_host_speed(shost); + return; + } + + switch (vha->hw->link_data_rate) { + case PORT_SPEED_1GB: + speed = FC_PORTSPEED_1GBIT; + break; + case PORT_SPEED_2GB: + speed = FC_PORTSPEED_2GBIT; + break; + case PORT_SPEED_4GB: + speed = FC_PORTSPEED_4GBIT; + break; + case PORT_SPEED_8GB: + speed = FC_PORTSPEED_8GBIT; + break; + case PORT_SPEED_10GB: + speed = FC_PORTSPEED_10GBIT; + break; + case PORT_SPEED_16GB: + speed = FC_PORTSPEED_16GBIT; + break; + case PORT_SPEED_32GB: + speed = FC_PORTSPEED_32GBIT; + break; + case PORT_SPEED_64GB: + speed = FC_PORTSPEED_64GBIT; + break; + default: + speed = FC_PORTSPEED_UNKNOWN; + break; + } + + fc_host_speed(shost) = speed; +} + +static void +qla2x00_get_host_port_type(struct Scsi_Host *shost) +{ + scsi_qla_host_t *vha = shost_priv(shost); + uint32_t port_type; + + if (vha->vp_idx) { + fc_host_port_type(shost) = FC_PORTTYPE_NPIV; + return; + } + switch (vha->hw->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; + default: + port_type = FC_PORTTYPE_UNKNOWN; + 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 *vha = shost_priv(host); + fc_port_t *fcport; + u64 node_name = 0; + + list_for_each_entry(fcport, &vha->vp_fcports, list) { + if (fcport->rport && + starget->id == fcport->rport->scsi_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 *vha = shost_priv(host); + fc_port_t *fcport; + u64 port_name = 0; + + list_for_each_entry(fcport, &vha->vp_fcports, list) { + if (fcport->rport && + starget->id == fcport->rport->scsi_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 *vha = shost_priv(host); + fc_port_t *fcport; + uint32_t port_id = ~0U; + + list_for_each_entry(fcport, &vha->vp_fcports, list) { + if (fcport->rport && + starget->id == fcport->rport->scsi_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 inline void +qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout) +{ + fc_port_t *fcport = *(fc_port_t **)rport->dd_data; + + rport->dev_loss_tmo = timeout ? timeout : 1; + + if (IS_ENABLED(CONFIG_NVME_FC) && fcport && fcport->nvme_remote_port) + nvme_fc_set_remoteport_devloss(fcport->nvme_remote_port, + rport->dev_loss_tmo); +} + +static void +qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport) +{ + struct Scsi_Host *host = rport_to_shost(rport); + fc_port_t *fcport = *(fc_port_t **)rport->dd_data; + unsigned long flags; + + if (!fcport) + return; + + ql_dbg(ql_dbg_async, fcport->vha, 0x5101, + DBG_FCPORT_PRFMT(fcport, "dev_loss_tmo expiry, rport_state=%d", + rport->port_state)); + + /* + * Now that the rport has been deleted, set the fcport state to + * FCS_DEVICE_DEAD, if the fcport is still lost. + */ + if (fcport->scan_state != QLA_FCPORT_FOUND) + qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD); + + /* + * Transport has effectively 'deleted' the rport, clear + * all local references. + */ + spin_lock_irqsave(host->host_lock, flags); + /* Confirm port has not reappeared before clearing pointers. */ + if (rport->port_state != FC_PORTSTATE_ONLINE) { + fcport->rport = fcport->drport = NULL; + *((fc_port_t **)rport->dd_data) = NULL; + } + spin_unlock_irqrestore(host->host_lock, flags); + + if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags)) + return; + + if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) { + qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16); + return; + } +} + +static void +qla2x00_terminate_rport_io(struct fc_rport *rport) +{ + fc_port_t *fcport = *(fc_port_t **)rport->dd_data; + scsi_qla_host_t *vha; + + if (!fcport) + return; + + if (test_bit(UNLOADING, &fcport->vha->dpc_flags)) + return; + + if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags)) + return; + vha = fcport->vha; + + if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) { + qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16); + qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24, + 0, WAIT_TARGET); + return; + } + /* + * At this point all fcport's software-states are cleared. Perform any + * final cleanup of firmware resources (PCBs and XCBs). + * + * Attempt to cleanup only lost devices. + */ + if (fcport->loop_id != FC_NO_LOOP_ID) { + if (IS_FWI2_CAPABLE(fcport->vha->hw) && + fcport->scan_state != QLA_FCPORT_FOUND) { + if (fcport->loop_id != FC_NO_LOOP_ID) + fcport->logout_on_delete = 1; + + if (!EDIF_NEGOTIATION_PENDING(fcport)) { + ql_dbg(ql_dbg_disc, fcport->vha, 0x911e, + "%s %d schedule session deletion\n", __func__, + __LINE__); + qlt_schedule_sess_for_deletion(fcport); + } + } else if (!IS_FWI2_CAPABLE(fcport->vha->hw)) { + qla2x00_port_logout(fcport->vha, fcport); + } + } + + /* check for any straggling io left behind */ + if (qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24, 0, WAIT_TARGET)) { + ql_log(ql_log_warn, vha, 0x300b, + "IO not return. Resetting. \n"); + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + qla2x00_wait_for_chip_reset(vha); + } +} + +static int +qla2x00_issue_lip(struct Scsi_Host *shost) +{ + scsi_qla_host_t *vha = shost_priv(shost); + + if (IS_QLAFX00(vha->hw)) + return 0; + + if (vha->hw->flags.port_isolated) + return 0; + + qla2x00_loop_reset(vha); + return 0; +} + +static struct fc_host_statistics * +qla2x00_get_fc_host_stats(struct Scsi_Host *shost) +{ + scsi_qla_host_t *vha = shost_priv(shost); + struct qla_hw_data *ha = vha->hw; + struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); + int rval; + struct link_statistics *stats; + dma_addr_t stats_dma; + struct fc_host_statistics *p = &vha->fc_host_stat; + struct qla_qpair *qpair; + int i; + u64 ib = 0, ob = 0, ir = 0, or = 0; + + memset(p, -1, sizeof(*p)); + + if (IS_QLAFX00(vha->hw)) + goto done; + + if (test_bit(UNLOADING, &vha->dpc_flags)) + goto done; + + if (unlikely(pci_channel_offline(ha->pdev))) + goto done; + + if (qla2x00_chip_is_down(vha)) + goto done; + + stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma, + GFP_KERNEL); + if (!stats) { + ql_log(ql_log_warn, vha, 0x707d, + "Failed to allocate memory for stats.\n"); + goto done; + } + + rval = QLA_FUNCTION_FAILED; + if (IS_FWI2_CAPABLE(ha)) { + rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0); + } else if (atomic_read(&base_vha->loop_state) == LOOP_READY && + !ha->dpc_active) { + /* Must be in a 'READY' state for statistics retrieval. */ + rval = qla2x00_get_link_status(base_vha, base_vha->loop_id, + stats, stats_dma); + } + + if (rval != QLA_SUCCESS) + goto done_free; + + /* --- */ + for (i = 0; i < vha->hw->max_qpairs; i++) { + qpair = vha->hw->queue_pair_map[i]; + if (!qpair) + continue; + ir += qpair->counters.input_requests; + or += qpair->counters.output_requests; + ib += qpair->counters.input_bytes; + ob += qpair->counters.output_bytes; + } + ir += ha->base_qpair->counters.input_requests; + or += ha->base_qpair->counters.output_requests; + ib += ha->base_qpair->counters.input_bytes; + ob += ha->base_qpair->counters.output_bytes; + + ir += vha->qla_stats.input_requests; + or += vha->qla_stats.output_requests; + ib += vha->qla_stats.input_bytes; + ob += vha->qla_stats.output_bytes; + /* --- */ + + p->link_failure_count = le32_to_cpu(stats->link_fail_cnt); + p->loss_of_sync_count = le32_to_cpu(stats->loss_sync_cnt); + p->loss_of_signal_count = le32_to_cpu(stats->loss_sig_cnt); + p->prim_seq_protocol_err_count = le32_to_cpu(stats->prim_seq_err_cnt); + p->invalid_tx_word_count = le32_to_cpu(stats->inval_xmit_word_cnt); + p->invalid_crc_count = le32_to_cpu(stats->inval_crc_cnt); + if (IS_FWI2_CAPABLE(ha)) { + p->lip_count = le32_to_cpu(stats->lip_cnt); + p->tx_frames = le32_to_cpu(stats->tx_frames); + p->rx_frames = le32_to_cpu(stats->rx_frames); + p->dumped_frames = le32_to_cpu(stats->discarded_frames); + p->nos_count = le32_to_cpu(stats->nos_rcvd); + p->error_frames = + le32_to_cpu(stats->dropped_frames) + + le32_to_cpu(stats->discarded_frames); + if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { + p->rx_words = le64_to_cpu(stats->fpm_recv_word_cnt); + p->tx_words = le64_to_cpu(stats->fpm_xmit_word_cnt); + } else { + p->rx_words = ib >> 2; + p->tx_words = ob >> 2; + } + } + + p->fcp_control_requests = vha->qla_stats.control_requests; + p->fcp_input_requests = ir; + p->fcp_output_requests = or; + p->fcp_input_megabytes = ib >> 20; + p->fcp_output_megabytes = ob >> 20; + p->seconds_since_last_reset = + get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset; + do_div(p->seconds_since_last_reset, HZ); + +done_free: + dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics), + stats, stats_dma); +done: + return p; +} + +static void +qla2x00_reset_host_stats(struct Scsi_Host *shost) +{ + scsi_qla_host_t *vha = shost_priv(shost); + struct qla_hw_data *ha = vha->hw; + struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); + struct link_statistics *stats; + dma_addr_t stats_dma; + int i; + struct qla_qpair *qpair; + + memset(&vha->qla_stats, 0, sizeof(vha->qla_stats)); + memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat)); + for (i = 0; i < vha->hw->max_qpairs; i++) { + qpair = vha->hw->queue_pair_map[i]; + if (!qpair) + continue; + memset(&qpair->counters, 0, sizeof(qpair->counters)); + } + memset(&ha->base_qpair->counters, 0, sizeof(qpair->counters)); + + vha->qla_stats.jiffies_at_last_reset = get_jiffies_64(); + + if (IS_FWI2_CAPABLE(ha)) { + int rval; + + stats = dma_alloc_coherent(&ha->pdev->dev, + sizeof(*stats), &stats_dma, GFP_KERNEL); + if (!stats) { + ql_log(ql_log_warn, vha, 0x70d7, + "Failed to allocate memory for stats.\n"); + return; + } + + /* reset firmware statistics */ + rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0); + if (rval != QLA_SUCCESS) + ql_log(ql_log_warn, vha, 0x70de, + "Resetting ISP statistics failed: rval = %d\n", + rval); + + dma_free_coherent(&ha->pdev->dev, sizeof(*stats), + stats, stats_dma); + } +} + +static void +qla2x00_get_host_symbolic_name(struct Scsi_Host *shost) +{ + scsi_qla_host_t *vha = shost_priv(shost); + + qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost), + sizeof(fc_host_symbolic_name(shost))); +} + +static void +qla2x00_set_host_system_hostname(struct Scsi_Host *shost) +{ + scsi_qla_host_t *vha = shost_priv(shost); + + set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); +} + +static void +qla2x00_get_host_fabric_name(struct Scsi_Host *shost) +{ + scsi_qla_host_t *vha = shost_priv(shost); + static const uint8_t node_name[WWN_SIZE] = { + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF + }; + u64 fabric_name = wwn_to_u64(node_name); + + if (vha->device_flags & SWITCH_FOUND) + fabric_name = wwn_to_u64(vha->fabric_node_name); + + fc_host_fabric_name(shost) = fabric_name; +} + +static void +qla2x00_get_host_port_state(struct Scsi_Host *shost) +{ + scsi_qla_host_t *vha = shost_priv(shost); + struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev); + + if (!base_vha->flags.online) { + fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE; + return; + } + + switch (atomic_read(&base_vha->loop_state)) { + case LOOP_UPDATE: + fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS; + break; + case LOOP_DOWN: + if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags)) + fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS; + else + fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; + break; + case LOOP_DEAD: + fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN; + break; + case LOOP_READY: + fc_host_port_state(shost) = FC_PORTSTATE_ONLINE; + break; + default: + fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN; + break; + } +} + +static int +qla24xx_vport_create(struct fc_vport *fc_vport, bool disable) +{ + int ret = 0; + uint8_t qos = 0; + scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost); + scsi_qla_host_t *vha = NULL; + struct qla_hw_data *ha = base_vha->hw; + int cnt; + struct req_que *req = ha->req_q_map[0]; + struct qla_qpair *qpair; + + ret = qla24xx_vport_create_req_sanity_check(fc_vport); + if (ret) { + ql_log(ql_log_warn, vha, 0x707e, + "Vport sanity check failed, status %x\n", ret); + return (ret); + } + + vha = qla24xx_create_vhost(fc_vport); + if (vha == NULL) { + ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n"); + return FC_VPORT_FAILED; + } + if (disable) { + atomic_set(&vha->vp_state, VP_OFFLINE); + fc_vport_set_state(fc_vport, FC_VPORT_DISABLED); + } else + atomic_set(&vha->vp_state, VP_FAILED); + + /* ready to create vport */ + ql_log(ql_log_info, vha, 0x7080, + "VP entry id %d assigned.\n", vha->vp_idx); + + /* initialized vport states */ + atomic_set(&vha->loop_state, LOOP_DOWN); + vha->vp_err_state = VP_ERR_PORTDWN; + vha->vp_prev_err_state = VP_ERR_UNKWN; + /* Check if physical ha port is Up */ + if (atomic_read(&base_vha->loop_state) == LOOP_DOWN || + atomic_read(&base_vha->loop_state) == LOOP_DEAD) { + /* Don't retry or attempt login of this virtual port */ + ql_dbg(ql_dbg_user, vha, 0x7081, + "Vport loop state is not UP.\n"); + atomic_set(&vha->loop_state, LOOP_DEAD); + if (!disable) + fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN); + } + + if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { + if (ha->fw_attributes & BIT_4) { + int prot = 0, guard; + + vha->flags.difdix_supported = 1; + ql_dbg(ql_dbg_user, vha, 0x7082, + "Registered for DIF/DIX type 1 and 3 protection.\n"); + scsi_host_set_prot(vha->host, + prot | SHOST_DIF_TYPE1_PROTECTION + | SHOST_DIF_TYPE2_PROTECTION + | SHOST_DIF_TYPE3_PROTECTION + | SHOST_DIX_TYPE1_PROTECTION + | SHOST_DIX_TYPE2_PROTECTION + | SHOST_DIX_TYPE3_PROTECTION); + + guard = SHOST_DIX_GUARD_CRC; + + if (IS_PI_IPGUARD_CAPABLE(ha) && + (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha))) + guard |= SHOST_DIX_GUARD_IP; + + scsi_host_set_guard(vha->host, guard); + } else + vha->flags.difdix_supported = 0; + } + + if (scsi_add_host_with_dma(vha->host, &fc_vport->dev, + &ha->pdev->dev)) { + ql_dbg(ql_dbg_user, vha, 0x7083, + "scsi_add_host failure for VP[%d].\n", vha->vp_idx); + goto vport_create_failed_2; + } + + /* initialize attributes */ + fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count; + fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name); + fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name); + fc_host_supported_classes(vha->host) = + fc_host_supported_classes(base_vha->host); + fc_host_supported_speeds(vha->host) = + fc_host_supported_speeds(base_vha->host); + + qlt_vport_create(vha, ha); + qla24xx_vport_disable(fc_vport, disable); + + if (!ql2xmqsupport || !ha->npiv_info) + goto vport_queue; + + /* Create a request queue in QoS mode for the vport */ + for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) { + if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0 + && memcmp(ha->npiv_info[cnt].node_name, vha->node_name, + 8) == 0) { + qos = ha->npiv_info[cnt].q_qos; + break; + } + } + + if (qos) { + qpair = qla2xxx_create_qpair(vha, qos, vha->vp_idx, true); + if (!qpair) + ql_log(ql_log_warn, vha, 0x7084, + "Can't create qpair for VP[%d]\n", + vha->vp_idx); + else { + ql_dbg(ql_dbg_multiq, vha, 0xc001, + "Queue pair: %d Qos: %d) created for VP[%d]\n", + qpair->id, qos, vha->vp_idx); + ql_dbg(ql_dbg_user, vha, 0x7085, + "Queue Pair: %d Qos: %d) created for VP[%d]\n", + qpair->id, qos, vha->vp_idx); + req = qpair->req; + vha->qpair = qpair; + } + } + +vport_queue: + vha->req = req; + return 0; + +vport_create_failed_2: + qla24xx_disable_vp(vha); + qla24xx_deallocate_vp_id(vha); + scsi_host_put(vha->host); + return FC_VPORT_FAILED; +} + +static int +qla24xx_vport_delete(struct fc_vport *fc_vport) +{ + scsi_qla_host_t *vha = fc_vport->dd_data; + struct qla_hw_data *ha = vha->hw; + uint16_t id = vha->vp_idx; + + set_bit(VPORT_DELETE, &vha->dpc_flags); + + while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) || + test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags)) + msleep(1000); + + + qla24xx_disable_vp(vha); + qla2x00_wait_for_sess_deletion(vha); + + qla_nvme_delete(vha); + qla_enode_stop(vha); + qla_edb_stop(vha); + + vha->flags.delete_progress = 1; + + qlt_remove_target(ha, vha); + + fc_remove_host(vha->host); + + scsi_remove_host(vha->host); + + /* Allow timer to run to drain queued items, when removing vp */ + qla24xx_deallocate_vp_id(vha); + + if (vha->timer_active) { + qla2x00_vp_stop_timer(vha); + ql_dbg(ql_dbg_user, vha, 0x7086, + "Timer for the VP[%d] has stopped\n", vha->vp_idx); + } + + qla2x00_free_fcports(vha); + + mutex_lock(&ha->vport_lock); + ha->cur_vport_count--; + clear_bit(vha->vp_idx, ha->vp_idx_map); + mutex_unlock(&ha->vport_lock); + + dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l, + vha->gnl.ldma); + + vha->gnl.l = NULL; + + vfree(vha->scan.l); + + if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) { + if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS) + ql_log(ql_log_warn, vha, 0x7087, + "Queue Pair delete failed.\n"); + } + + ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id); + scsi_host_put(vha->host); + return 0; +} + +static int +qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable) +{ + scsi_qla_host_t *vha = fc_vport->dd_data; + + if (disable) + qla24xx_disable_vp(vha); + else + qla24xx_enable_vp(vha); + + return 0; +} + +struct fc_function_template qla2xxx_transport_functions = { + + .show_host_node_name = 1, + .show_host_port_name = 1, + .show_host_supported_classes = 1, + .show_host_supported_speeds = 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, + .get_host_symbolic_name = qla2x00_get_host_symbolic_name, + .show_host_symbolic_name = 1, + .set_host_system_hostname = qla2x00_set_host_system_hostname, + .show_host_system_hostname = 1, + .get_host_fabric_name = qla2x00_get_host_fabric_name, + .show_host_fabric_name = 1, + .get_host_port_state = qla2x00_get_host_port_state, + .show_host_port_state = 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, + + .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo, + .show_rport_dev_loss_tmo = 1, + + .issue_fc_host_lip = qla2x00_issue_lip, + .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk, + .terminate_rport_io = qla2x00_terminate_rport_io, + .get_fc_host_stats = qla2x00_get_fc_host_stats, + .reset_fc_host_stats = qla2x00_reset_host_stats, + + .vport_create = qla24xx_vport_create, + .vport_disable = qla24xx_vport_disable, + .vport_delete = qla24xx_vport_delete, + .bsg_request = qla24xx_bsg_request, + .bsg_timeout = qla24xx_bsg_timeout, +}; + +struct fc_function_template qla2xxx_transport_vport_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, + .get_host_symbolic_name = qla2x00_get_host_symbolic_name, + .show_host_symbolic_name = 1, + .set_host_system_hostname = qla2x00_set_host_system_hostname, + .show_host_system_hostname = 1, + .get_host_fabric_name = qla2x00_get_host_fabric_name, + .show_host_fabric_name = 1, + .get_host_port_state = qla2x00_get_host_port_state, + .show_host_port_state = 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, + + .set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo, + .show_rport_dev_loss_tmo = 1, + + .issue_fc_host_lip = qla2x00_issue_lip, + .dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk, + .terminate_rport_io = qla2x00_terminate_rport_io, + .get_fc_host_stats = qla2x00_get_fc_host_stats, + .reset_fc_host_stats = qla2x00_reset_host_stats, + + .bsg_request = qla24xx_bsg_request, + .bsg_timeout = qla24xx_bsg_timeout, +}; + +static uint +qla2x00_get_host_supported_speeds(scsi_qla_host_t *vha, uint speeds) +{ + uint supported_speeds = FC_PORTSPEED_UNKNOWN; + + if (speeds & FDMI_PORT_SPEED_64GB) + supported_speeds |= FC_PORTSPEED_64GBIT; + if (speeds & FDMI_PORT_SPEED_32GB) + supported_speeds |= FC_PORTSPEED_32GBIT; + if (speeds & FDMI_PORT_SPEED_16GB) + supported_speeds |= FC_PORTSPEED_16GBIT; + if (speeds & FDMI_PORT_SPEED_8GB) + supported_speeds |= FC_PORTSPEED_8GBIT; + if (speeds & FDMI_PORT_SPEED_4GB) + supported_speeds |= FC_PORTSPEED_4GBIT; + if (speeds & FDMI_PORT_SPEED_2GB) + supported_speeds |= FC_PORTSPEED_2GBIT; + if (speeds & FDMI_PORT_SPEED_1GB) + supported_speeds |= FC_PORTSPEED_1GBIT; + + return supported_speeds; +} + +void +qla2x00_init_host_attr(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + u32 speeds = 0, fdmi_speed = 0; + + fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count; + fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name); + fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name); + fc_host_supported_classes(vha->host) = ha->base_qpair->enable_class_2 ? + (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3; + fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports; + fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count; + + fdmi_speed = qla25xx_fdmi_port_speed_capability(ha); + speeds = qla2x00_get_host_supported_speeds(vha, fdmi_speed); + + fc_host_supported_speeds(vha->host) = speeds; +} |