diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_dfs.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_dfs.c | 144 |
1 files changed, 108 insertions, 36 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index a1545dad0c0c..43970caca7b3 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -179,10 +179,9 @@ qla2x00_dfs_tgt_port_database_show(struct seq_file *s, void *unused) struct qla_hw_data *ha = vha->hw; struct gid_list_info *gid_list; dma_addr_t gid_list_dma; - fc_port_t fc_port; char *id_iter; int rc, i; - uint16_t entries, loop_id; + uint16_t entries; seq_printf(s, "%s\n", vha->host_str); gid_list = dma_alloc_coherent(&ha->pdev->dev, @@ -205,18 +204,11 @@ qla2x00_dfs_tgt_port_database_show(struct seq_file *s, void *unused) seq_puts(s, "Port Name Port ID Loop ID\n"); for (i = 0; i < entries; i++) { - struct gid_list_info *gid = - (struct gid_list_info *)id_iter; - loop_id = le16_to_cpu(gid->loop_id); - memset(&fc_port, 0, sizeof(fc_port_t)); - - fc_port.loop_id = loop_id; - - rc = qla24xx_gpdb_wait(vha, &fc_port, 0); - seq_printf(s, "%8phC %02x%02x%02x %d\n", - fc_port.port_name, fc_port.d_id.b.domain, - fc_port.d_id.b.area, fc_port.d_id.b.al_pa, - fc_port.loop_id); + struct gid_list_info *gid = (struct gid_list_info *)id_iter; + + rc = qla24xx_print_fc_port_id(vha, s, le16_to_cpu(gid->loop_id)); + if (rc != QLA_SUCCESS) + break; id_iter += ha->gid_list_info_size; } out_free_id_list: @@ -409,26 +401,31 @@ qla2x00_dfs_fce_show(struct seq_file *s, void *unused) mutex_lock(&ha->fce_mutex); - seq_puts(s, "FCE Trace Buffer\n"); - seq_printf(s, "In Pointer = %llx\n\n", (unsigned long long)ha->fce_wr); - seq_printf(s, "Base = %llx\n\n", (unsigned long long) ha->fce_dma); - seq_puts(s, "FCE Enable Registers\n"); - seq_printf(s, "%08x %08x %08x %08x %08x %08x\n", - ha->fce_mb[0], ha->fce_mb[2], ha->fce_mb[3], ha->fce_mb[4], - ha->fce_mb[5], ha->fce_mb[6]); - - fce = (uint32_t *) ha->fce; - fce_start = (unsigned long long) ha->fce_dma; - for (cnt = 0; cnt < fce_calc_size(ha->fce_bufs) / 4; cnt++) { - if (cnt % 8 == 0) - seq_printf(s, "\n%llx: ", - (unsigned long long)((cnt * 4) + fce_start)); - else - seq_putc(s, ' '); - seq_printf(s, "%08x", *fce++); - } + if (ha->flags.user_enabled_fce) { + seq_puts(s, "FCE Trace Buffer\n"); + seq_printf(s, "In Pointer = %llx\n\n", (unsigned long long)ha->fce_wr); + seq_printf(s, "Base = %llx\n\n", (unsigned long long)ha->fce_dma); + seq_puts(s, "FCE Enable Registers\n"); + seq_printf(s, "%08x %08x %08x %08x %08x %08x\n", + ha->fce_mb[0], ha->fce_mb[2], ha->fce_mb[3], ha->fce_mb[4], + ha->fce_mb[5], ha->fce_mb[6]); + + fce = (uint32_t *)ha->fce; + fce_start = (unsigned long long)ha->fce_dma; + for (cnt = 0; cnt < fce_calc_size(ha->fce_bufs) / 4; cnt++) { + if (cnt % 8 == 0) + seq_printf(s, "\n%llx: ", + (unsigned long long)((cnt * 4) + fce_start)); + else + seq_putc(s, ' '); + seq_printf(s, "%08x", *fce++); + } - seq_puts(s, "\nEnd\n"); + seq_puts(s, "\nEnd\n"); + } else { + seq_puts(s, "FCE Trace is currently not enabled\n"); + seq_puts(s, "\techo [ 1 | 0 ] > fce\n"); + } mutex_unlock(&ha->fce_mutex); @@ -467,7 +464,7 @@ qla2x00_dfs_fce_release(struct inode *inode, struct file *file) struct qla_hw_data *ha = vha->hw; int rval; - if (ha->flags.fce_enabled) + if (ha->flags.fce_enabled || !ha->fce) goto out; mutex_lock(&ha->fce_mutex); @@ -488,11 +485,88 @@ out: return single_release(inode, file); } +static ssize_t +qla2x00_dfs_fce_write(struct file *file, const char __user *buffer, + size_t count, loff_t *pos) +{ + struct seq_file *s = file->private_data; + struct scsi_qla_host *vha = s->private; + struct qla_hw_data *ha = vha->hw; + char *buf; + int rc = 0; + unsigned long enable; + + if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && + !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) { + ql_dbg(ql_dbg_user, vha, 0xd034, + "this adapter does not support FCE."); + return -EINVAL; + } + + buf = memdup_user_nul(buffer, count); + if (IS_ERR(buf)) { + ql_dbg(ql_dbg_user, vha, 0xd037, + "fail to copy user buffer."); + return PTR_ERR(buf); + } + + enable = kstrtoul(buf, 0, 0); + rc = count; + + mutex_lock(&ha->fce_mutex); + + if (enable) { + if (ha->flags.user_enabled_fce) { + mutex_unlock(&ha->fce_mutex); + goto out_free; + } + ha->flags.user_enabled_fce = 1; + if (!ha->fce) { + rc = qla2x00_alloc_fce_trace(vha); + if (rc) { + ha->flags.user_enabled_fce = 0; + mutex_unlock(&ha->fce_mutex); + goto out_free; + } + + /* adjust fw dump buffer to take into account of this feature */ + if (!ha->flags.fce_dump_buf_alloced) + qla2x00_alloc_fw_dump(vha); + } + + if (!ha->flags.fce_enabled) + qla_enable_fce_trace(vha); + + ql_dbg(ql_dbg_user, vha, 0xd045, "User enabled FCE .\n"); + } else { + if (!ha->flags.user_enabled_fce) { + mutex_unlock(&ha->fce_mutex); + goto out_free; + } + ha->flags.user_enabled_fce = 0; + if (ha->flags.fce_enabled) { + qla2x00_disable_fce_trace(vha, NULL, NULL); + ha->flags.fce_enabled = 0; + } + + qla2x00_free_fce_trace(ha); + /* no need to re-adjust fw dump buffer */ + + ql_dbg(ql_dbg_user, vha, 0xd04f, "User disabled FCE .\n"); + } + + mutex_unlock(&ha->fce_mutex); +out_free: + kfree(buf); + return rc; +} + static const struct file_operations dfs_fce_ops = { .open = qla2x00_dfs_fce_open, .read = seq_read, .llseek = seq_lseek, .release = qla2x00_dfs_fce_release, + .write = qla2x00_dfs_fce_write, }; static int @@ -626,8 +700,6 @@ qla2x00_dfs_setup(scsi_qla_host_t *vha) if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) goto out; - if (!ha->fce) - goto out; if (qla2x00_dfs_root) goto create_dir; |