From mboxrd@z Thu Jan 1 00:00:00 1970 From: himanshu.madhani@cavium.com (Himanshu Madhani) Date: Fri, 28 Sep 2018 15:46:25 -0700 Subject: [PATCH v3 4/5] qla2xxx_nvmet: Add SysFS node for FC-NVMe Target In-Reply-To: <20180928224626.19777-1-himanshu.madhani@cavium.com> References: <20180928224626.19777-1-himanshu.madhani@cavium.com> Message-ID: <20180928224626.19777-5-himanshu.madhani@cavium.com> From: Anil Gurumurthy This patch adds SysFS node for NVMe Target configuration Signed-off-by: Anil Gurumurthy Signed-off-by: Himanshu Madhani --- drivers/scsi/qla2xxx/qla_attr.c | 33 +++++++++++++++++++++++++++++++++ drivers/scsi/qla2xxx/qla_gs.c | 2 +- drivers/scsi/qla2xxx/qla_init.c | 3 ++- 3 files changed, 36 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index a31d23905753..0d2d4f33701b 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -13,6 +13,7 @@ #include static int qla24xx_vport_disable(struct fc_vport *, bool); +extern void qlt_set_mode(struct scsi_qla_host *vha); /* SYSFS attributes --------------------------------------------------------- */ @@ -631,6 +632,37 @@ static struct bin_attribute sysfs_sfp_attr = { }; static ssize_t +qla2x00_sysfs_write_nvmet(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; + scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); + + ql_log(ql_log_info, vha, 0x706e, + "Bringing up target mode!! vha:%p\n", vha); + qlt_op_target_mode = 1; + qlt_set_mode(base_vha); + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + qla2x00_wait_for_hba_online(vha); + + return count; +} + +static struct bin_attribute sysfs_nvmet_attr = { + .attr = { + .name = "nvmet", + .mode = 0200, + }, + .size = 0, + .write = qla2x00_sysfs_write_nvmet, +}; + + +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) @@ -943,6 +975,7 @@ static struct sysfs_entry { { "issue_logo", &sysfs_issue_logo_attr, }, { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 }, { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 }, + { "nvmet", &sysfs_nvmet_attr, }, { NULL }, }; diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index ea55ed972eed..cfc6818952a0 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -698,7 +698,7 @@ qla2x00_rff_id(scsi_qla_host_t *vha, u8 type) return (QLA_SUCCESS); return qla_async_rffid(vha, &vha->d_id, qlt_rff_id(vha), - FC4_TYPE_FCP_SCSI); + type); } static int qla_async_rffid(scsi_qla_host_t *vha, port_id_t *d_id, diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index cad8e0185a3b..fe1c1892386a 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -5526,7 +5526,8 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) * will be newer than discovery_gen. */ qlt_do_generation_tick(vha, &discovery_gen); - if (USE_ASYNC_SCAN(ha)) { + if (USE_ASYNC_SCAN(ha) && !(vha->flags.nvmet_enabled)) { + /* If NVME target mode is enabled, go through regular scan */ rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI, NULL); if (rval) -- 2.12.0