572 lines
15 KiB
C
Executable file
572 lines
15 KiB
C
Executable file
/*
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* QLogic Fibre Channel HBA Driver
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* Copyright (c) 2003-2014 QLogic Corporation
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*
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* See LICENSE.qla2xxx for copyright and licensing details.
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*/
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#include "qla_def.h"
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#include <linux/debugfs.h>
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#include <linux/seq_file.h>
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static struct dentry *qla2x00_dfs_root;
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static atomic_t qla2x00_dfs_root_count;
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static int
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qla2x00_dfs_tgt_sess_show(struct seq_file *s, void *unused)
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{
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scsi_qla_host_t *vha = s->private;
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struct qla_hw_data *ha = vha->hw;
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unsigned long flags;
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struct fc_port *sess = NULL;
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struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
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seq_printf(s, "%s\n", vha->host_str);
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if (tgt) {
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seq_puts(s, "Port ID Port Name Handle\n");
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spin_lock_irqsave(&ha->tgt.sess_lock, flags);
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list_for_each_entry(sess, &vha->vp_fcports, list)
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seq_printf(s, "%02x:%02x:%02x %8phC %d\n",
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sess->d_id.b.domain, sess->d_id.b.area,
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sess->d_id.b.al_pa, sess->port_name,
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sess->loop_id);
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spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
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}
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return 0;
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}
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static int
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qla2x00_dfs_tgt_sess_open(struct inode *inode, struct file *file)
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{
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scsi_qla_host_t *vha = inode->i_private;
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return single_open(file, qla2x00_dfs_tgt_sess_show, vha);
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}
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static const struct file_operations dfs_tgt_sess_ops = {
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.open = qla2x00_dfs_tgt_sess_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int
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qla2x00_dfs_tgt_port_database_show(struct seq_file *s, void *unused)
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{
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scsi_qla_host_t *vha = s->private;
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struct qla_hw_data *ha = vha->hw;
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struct gid_list_info *gid_list;
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dma_addr_t gid_list_dma;
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fc_port_t fc_port;
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char *id_iter;
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int rc, i;
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uint16_t entries, loop_id;
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struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
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seq_printf(s, "%s\n", vha->host_str);
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if (tgt) {
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gid_list = dma_alloc_coherent(&ha->pdev->dev,
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qla2x00_gid_list_size(ha),
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&gid_list_dma, GFP_KERNEL);
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if (!gid_list) {
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ql_dbg(ql_dbg_user, vha, 0x7018,
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"DMA allocation failed for %u\n",
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qla2x00_gid_list_size(ha));
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return 0;
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}
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rc = qla24xx_gidlist_wait(vha, gid_list, gid_list_dma,
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&entries);
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if (rc != QLA_SUCCESS)
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goto out_free_id_list;
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id_iter = (char *)gid_list;
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seq_puts(s, "Port Name Port ID Loop ID\n");
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for (i = 0; i < entries; i++) {
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struct gid_list_info *gid =
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(struct gid_list_info *)id_iter;
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loop_id = le16_to_cpu(gid->loop_id);
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memset(&fc_port, 0, sizeof(fc_port_t));
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fc_port.loop_id = loop_id;
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rc = qla24xx_gpdb_wait(vha, &fc_port, 0);
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seq_printf(s, "%8phC %02x%02x%02x %d\n",
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fc_port.port_name, fc_port.d_id.b.domain,
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fc_port.d_id.b.area, fc_port.d_id.b.al_pa,
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fc_port.loop_id);
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id_iter += ha->gid_list_info_size;
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}
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out_free_id_list:
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dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
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gid_list, gid_list_dma);
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}
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return 0;
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}
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static int
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qla2x00_dfs_tgt_port_database_open(struct inode *inode, struct file *file)
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{
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scsi_qla_host_t *vha = inode->i_private;
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return single_open(file, qla2x00_dfs_tgt_port_database_show, vha);
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}
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static const struct file_operations dfs_tgt_port_database_ops = {
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.open = qla2x00_dfs_tgt_port_database_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int
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qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused)
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{
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struct scsi_qla_host *vha = s->private;
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uint16_t mb[MAX_IOCB_MB_REG];
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int rc;
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rc = qla24xx_res_count_wait(vha, mb, SIZEOF_IOCB_MB_REG);
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if (rc != QLA_SUCCESS) {
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seq_printf(s, "Mailbox Command failed %d, mb %#x", rc, mb[0]);
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} else {
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seq_puts(s, "FW Resource count\n\n");
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seq_printf(s, "Original TGT exchg count[%d]\n", mb[1]);
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seq_printf(s, "current TGT exchg count[%d]\n", mb[2]);
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seq_printf(s, "original Initiator Exchange count[%d]\n", mb[3]);
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seq_printf(s, "Current Initiator Exchange count[%d]\n", mb[6]);
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seq_printf(s, "Original IOCB count[%d]\n", mb[7]);
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seq_printf(s, "Current IOCB count[%d]\n", mb[10]);
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seq_printf(s, "MAX VP count[%d]\n", mb[11]);
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seq_printf(s, "MAX FCF count[%d]\n", mb[12]);
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seq_printf(s, "Current free pageable XCB buffer cnt[%d]\n",
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mb[20]);
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seq_printf(s, "Original Initiator fast XCB buffer cnt[%d]\n",
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mb[21]);
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seq_printf(s, "Current free Initiator fast XCB buffer cnt[%d]\n",
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mb[22]);
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seq_printf(s, "Original Target fast XCB buffer cnt[%d]\n",
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mb[23]);
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}
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return 0;
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}
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static int
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qla_dfs_fw_resource_cnt_open(struct inode *inode, struct file *file)
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{
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struct scsi_qla_host *vha = inode->i_private;
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return single_open(file, qla_dfs_fw_resource_cnt_show, vha);
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}
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static const struct file_operations dfs_fw_resource_cnt_ops = {
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.open = qla_dfs_fw_resource_cnt_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int
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qla_dfs_tgt_counters_show(struct seq_file *s, void *unused)
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{
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struct scsi_qla_host *vha = s->private;
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struct qla_qpair *qpair = vha->hw->base_qpair;
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uint64_t qla_core_sbt_cmd, core_qla_que_buf, qla_core_ret_ctio,
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core_qla_snd_status, qla_core_ret_sta_ctio, core_qla_free_cmd,
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num_q_full_sent, num_alloc_iocb_failed, num_term_xchg_sent;
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u16 i;
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qla_core_sbt_cmd = qpair->tgt_counters.qla_core_sbt_cmd;
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core_qla_que_buf = qpair->tgt_counters.core_qla_que_buf;
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qla_core_ret_ctio = qpair->tgt_counters.qla_core_ret_ctio;
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core_qla_snd_status = qpair->tgt_counters.core_qla_snd_status;
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qla_core_ret_sta_ctio = qpair->tgt_counters.qla_core_ret_sta_ctio;
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core_qla_free_cmd = qpair->tgt_counters.core_qla_free_cmd;
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num_q_full_sent = qpair->tgt_counters.num_q_full_sent;
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num_alloc_iocb_failed = qpair->tgt_counters.num_alloc_iocb_failed;
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num_term_xchg_sent = qpair->tgt_counters.num_term_xchg_sent;
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for (i = 0; i < vha->hw->max_qpairs; i++) {
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qpair = vha->hw->queue_pair_map[i];
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qla_core_sbt_cmd += qpair->tgt_counters.qla_core_sbt_cmd;
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core_qla_que_buf += qpair->tgt_counters.core_qla_que_buf;
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qla_core_ret_ctio += qpair->tgt_counters.qla_core_ret_ctio;
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core_qla_snd_status += qpair->tgt_counters.core_qla_snd_status;
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qla_core_ret_sta_ctio +=
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qpair->tgt_counters.qla_core_ret_sta_ctio;
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core_qla_free_cmd += qpair->tgt_counters.core_qla_free_cmd;
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num_q_full_sent += qpair->tgt_counters.num_q_full_sent;
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num_alloc_iocb_failed +=
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qpair->tgt_counters.num_alloc_iocb_failed;
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num_term_xchg_sent += qpair->tgt_counters.num_term_xchg_sent;
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}
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seq_puts(s, "Target Counters\n");
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seq_printf(s, "qla_core_sbt_cmd = %lld\n",
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qla_core_sbt_cmd);
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seq_printf(s, "qla_core_ret_sta_ctio = %lld\n",
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qla_core_ret_sta_ctio);
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seq_printf(s, "qla_core_ret_ctio = %lld\n",
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qla_core_ret_ctio);
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seq_printf(s, "core_qla_que_buf = %lld\n",
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core_qla_que_buf);
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seq_printf(s, "core_qla_snd_status = %lld\n",
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core_qla_snd_status);
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seq_printf(s, "core_qla_free_cmd = %lld\n",
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core_qla_free_cmd);
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seq_printf(s, "num alloc iocb failed = %lld\n",
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num_alloc_iocb_failed);
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seq_printf(s, "num term exchange sent = %lld\n",
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num_term_xchg_sent);
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seq_printf(s, "num Q full sent = %lld\n",
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num_q_full_sent);
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/* DIF stats */
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seq_printf(s, "DIF Inp Bytes = %lld\n",
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vha->qla_stats.qla_dif_stats.dif_input_bytes);
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seq_printf(s, "DIF Outp Bytes = %lld\n",
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vha->qla_stats.qla_dif_stats.dif_output_bytes);
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seq_printf(s, "DIF Inp Req = %lld\n",
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vha->qla_stats.qla_dif_stats.dif_input_requests);
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seq_printf(s, "DIF Outp Req = %lld\n",
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vha->qla_stats.qla_dif_stats.dif_output_requests);
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seq_printf(s, "DIF Guard err = %d\n",
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vha->qla_stats.qla_dif_stats.dif_guard_err);
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seq_printf(s, "DIF Ref tag err = %d\n",
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vha->qla_stats.qla_dif_stats.dif_ref_tag_err);
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seq_printf(s, "DIF App tag err = %d\n",
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vha->qla_stats.qla_dif_stats.dif_app_tag_err);
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return 0;
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}
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static int
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qla_dfs_tgt_counters_open(struct inode *inode, struct file *file)
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{
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struct scsi_qla_host *vha = inode->i_private;
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return single_open(file, qla_dfs_tgt_counters_show, vha);
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}
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static const struct file_operations dfs_tgt_counters_ops = {
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.open = qla_dfs_tgt_counters_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int
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qla2x00_dfs_fce_show(struct seq_file *s, void *unused)
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{
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scsi_qla_host_t *vha = s->private;
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uint32_t cnt;
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uint32_t *fce;
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uint64_t fce_start;
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struct qla_hw_data *ha = vha->hw;
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mutex_lock(&ha->fce_mutex);
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seq_puts(s, "FCE Trace Buffer\n");
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seq_printf(s, "In Pointer = %llx\n\n", (unsigned long long)ha->fce_wr);
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seq_printf(s, "Base = %llx\n\n", (unsigned long long) ha->fce_dma);
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seq_puts(s, "FCE Enable Registers\n");
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seq_printf(s, "%08x %08x %08x %08x %08x %08x\n",
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ha->fce_mb[0], ha->fce_mb[2], ha->fce_mb[3], ha->fce_mb[4],
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ha->fce_mb[5], ha->fce_mb[6]);
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fce = (uint32_t *) ha->fce;
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fce_start = (unsigned long long) ha->fce_dma;
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for (cnt = 0; cnt < fce_calc_size(ha->fce_bufs) / 4; cnt++) {
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if (cnt % 8 == 0)
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seq_printf(s, "\n%llx: ",
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(unsigned long long)((cnt * 4) + fce_start));
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else
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seq_putc(s, ' ');
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seq_printf(s, "%08x", *fce++);
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}
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seq_puts(s, "\nEnd\n");
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mutex_unlock(&ha->fce_mutex);
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return 0;
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}
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static int
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qla2x00_dfs_fce_open(struct inode *inode, struct file *file)
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{
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scsi_qla_host_t *vha = inode->i_private;
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struct qla_hw_data *ha = vha->hw;
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int rval;
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if (!ha->flags.fce_enabled)
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goto out;
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mutex_lock(&ha->fce_mutex);
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/* Pause tracing to flush FCE buffers. */
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rval = qla2x00_disable_fce_trace(vha, &ha->fce_wr, &ha->fce_rd);
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if (rval)
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ql_dbg(ql_dbg_user, vha, 0x705c,
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"DebugFS: Unable to disable FCE (%d).\n", rval);
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ha->flags.fce_enabled = 0;
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mutex_unlock(&ha->fce_mutex);
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out:
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return single_open(file, qla2x00_dfs_fce_show, vha);
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}
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static int
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qla2x00_dfs_fce_release(struct inode *inode, struct file *file)
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{
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scsi_qla_host_t *vha = inode->i_private;
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struct qla_hw_data *ha = vha->hw;
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int rval;
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if (ha->flags.fce_enabled)
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goto out;
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mutex_lock(&ha->fce_mutex);
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/* Re-enable FCE tracing. */
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ha->flags.fce_enabled = 1;
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memset(ha->fce, 0, fce_calc_size(ha->fce_bufs));
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rval = qla2x00_enable_fce_trace(vha, ha->fce_dma, ha->fce_bufs,
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ha->fce_mb, &ha->fce_bufs);
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if (rval) {
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ql_dbg(ql_dbg_user, vha, 0x700d,
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"DebugFS: Unable to reinitialize FCE (%d).\n", rval);
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ha->flags.fce_enabled = 0;
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}
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mutex_unlock(&ha->fce_mutex);
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out:
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return single_release(inode, file);
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}
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static const struct file_operations dfs_fce_ops = {
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.open = qla2x00_dfs_fce_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = qla2x00_dfs_fce_release,
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};
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static int
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qla_dfs_naqp_show(struct seq_file *s, void *unused)
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{
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struct scsi_qla_host *vha = s->private;
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struct qla_hw_data *ha = vha->hw;
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seq_printf(s, "%d\n", ha->tgt.num_act_qpairs);
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return 0;
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}
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static int
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qla_dfs_naqp_open(struct inode *inode, struct file *file)
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{
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struct scsi_qla_host *vha = inode->i_private;
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return single_open(file, qla_dfs_naqp_show, vha);
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}
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static ssize_t
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qla_dfs_naqp_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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struct seq_file *s = file->private_data;
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struct scsi_qla_host *vha = s->private;
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struct qla_hw_data *ha = vha->hw;
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char *buf;
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int rc = 0;
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unsigned long num_act_qp;
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if (!(IS_QLA27XX(ha) || IS_QLA83XX(ha))) {
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pr_err("host%ld: this adapter does not support Multi Q.",
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vha->host_no);
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return -EINVAL;
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}
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if (!vha->flags.qpairs_available) {
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pr_err("host%ld: Driver is not setup with Multi Q.",
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vha->host_no);
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return -EINVAL;
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}
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buf = memdup_user_nul(buffer, count);
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if (IS_ERR(buf)) {
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pr_err("host%ld: fail to copy user buffer.",
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vha->host_no);
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return PTR_ERR(buf);
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}
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num_act_qp = simple_strtoul(buf, NULL, 0);
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if (num_act_qp >= vha->hw->max_qpairs) {
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pr_err("User set invalid number of qpairs %lu. Max = %d",
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num_act_qp, vha->hw->max_qpairs);
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rc = -EINVAL;
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goto out_free;
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}
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if (num_act_qp != ha->tgt.num_act_qpairs) {
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ha->tgt.num_act_qpairs = num_act_qp;
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qlt_clr_qp_table(vha);
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}
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rc = count;
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out_free:
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kfree(buf);
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return rc;
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}
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static const struct file_operations dfs_naqp_ops = {
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.open = qla_dfs_naqp_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = qla_dfs_naqp_write,
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};
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|
|
|
|
|
int
|
|
qla2x00_dfs_setup(scsi_qla_host_t *vha)
|
|
{
|
|
struct qla_hw_data *ha = vha->hw;
|
|
|
|
if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
|
|
!IS_QLA27XX(ha))
|
|
goto out;
|
|
if (!ha->fce)
|
|
goto out;
|
|
|
|
if (qla2x00_dfs_root)
|
|
goto create_dir;
|
|
|
|
atomic_set(&qla2x00_dfs_root_count, 0);
|
|
qla2x00_dfs_root = debugfs_create_dir(QLA2XXX_DRIVER_NAME, NULL);
|
|
if (!qla2x00_dfs_root) {
|
|
ql_log(ql_log_warn, vha, 0x00f7,
|
|
"Unable to create debugfs root directory.\n");
|
|
goto out;
|
|
}
|
|
|
|
create_dir:
|
|
if (ha->dfs_dir)
|
|
goto create_nodes;
|
|
|
|
mutex_init(&ha->fce_mutex);
|
|
ha->dfs_dir = debugfs_create_dir(vha->host_str, qla2x00_dfs_root);
|
|
if (!ha->dfs_dir) {
|
|
ql_log(ql_log_warn, vha, 0x00f8,
|
|
"Unable to create debugfs ha directory.\n");
|
|
goto out;
|
|
}
|
|
|
|
atomic_inc(&qla2x00_dfs_root_count);
|
|
|
|
create_nodes:
|
|
ha->dfs_fw_resource_cnt = debugfs_create_file("fw_resource_count",
|
|
S_IRUSR, ha->dfs_dir, vha, &dfs_fw_resource_cnt_ops);
|
|
if (!ha->dfs_fw_resource_cnt) {
|
|
ql_log(ql_log_warn, vha, 0x00fd,
|
|
"Unable to create debugFS fw_resource_count node.\n");
|
|
goto out;
|
|
}
|
|
|
|
ha->dfs_tgt_counters = debugfs_create_file("tgt_counters", S_IRUSR,
|
|
ha->dfs_dir, vha, &dfs_tgt_counters_ops);
|
|
if (!ha->dfs_tgt_counters) {
|
|
ql_log(ql_log_warn, vha, 0xd301,
|
|
"Unable to create debugFS tgt_counters node.\n");
|
|
goto out;
|
|
}
|
|
|
|
ha->tgt.dfs_tgt_port_database = debugfs_create_file("tgt_port_database",
|
|
S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_port_database_ops);
|
|
if (!ha->tgt.dfs_tgt_port_database) {
|
|
ql_log(ql_log_warn, vha, 0xd03f,
|
|
"Unable to create debugFS tgt_port_database node.\n");
|
|
goto out;
|
|
}
|
|
|
|
ha->dfs_fce = debugfs_create_file("fce", S_IRUSR, ha->dfs_dir, vha,
|
|
&dfs_fce_ops);
|
|
if (!ha->dfs_fce) {
|
|
ql_log(ql_log_warn, vha, 0x00f9,
|
|
"Unable to create debugfs fce node.\n");
|
|
goto out;
|
|
}
|
|
|
|
ha->tgt.dfs_tgt_sess = debugfs_create_file("tgt_sess",
|
|
S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_sess_ops);
|
|
if (!ha->tgt.dfs_tgt_sess) {
|
|
ql_log(ql_log_warn, vha, 0xd040,
|
|
"Unable to create debugFS tgt_sess node.\n");
|
|
goto out;
|
|
}
|
|
|
|
if (IS_QLA27XX(ha) || IS_QLA83XX(ha)) {
|
|
ha->tgt.dfs_naqp = debugfs_create_file("naqp",
|
|
0400, ha->dfs_dir, vha, &dfs_naqp_ops);
|
|
if (!ha->tgt.dfs_naqp) {
|
|
ql_log(ql_log_warn, vha, 0xd011,
|
|
"Unable to create debugFS naqp node.\n");
|
|
goto out;
|
|
}
|
|
}
|
|
out:
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
qla2x00_dfs_remove(scsi_qla_host_t *vha)
|
|
{
|
|
struct qla_hw_data *ha = vha->hw;
|
|
|
|
if (ha->tgt.dfs_naqp) {
|
|
debugfs_remove(ha->tgt.dfs_naqp);
|
|
ha->tgt.dfs_naqp = NULL;
|
|
}
|
|
|
|
if (ha->tgt.dfs_tgt_sess) {
|
|
debugfs_remove(ha->tgt.dfs_tgt_sess);
|
|
ha->tgt.dfs_tgt_sess = NULL;
|
|
}
|
|
|
|
if (ha->tgt.dfs_tgt_port_database) {
|
|
debugfs_remove(ha->tgt.dfs_tgt_port_database);
|
|
ha->tgt.dfs_tgt_port_database = NULL;
|
|
}
|
|
|
|
if (ha->dfs_fw_resource_cnt) {
|
|
debugfs_remove(ha->dfs_fw_resource_cnt);
|
|
ha->dfs_fw_resource_cnt = NULL;
|
|
}
|
|
|
|
if (ha->dfs_tgt_counters) {
|
|
debugfs_remove(ha->dfs_tgt_counters);
|
|
ha->dfs_tgt_counters = NULL;
|
|
}
|
|
|
|
if (ha->dfs_fce) {
|
|
debugfs_remove(ha->dfs_fce);
|
|
ha->dfs_fce = NULL;
|
|
}
|
|
|
|
if (ha->dfs_dir) {
|
|
debugfs_remove(ha->dfs_dir);
|
|
ha->dfs_dir = NULL;
|
|
atomic_dec(&qla2x00_dfs_root_count);
|
|
}
|
|
|
|
if (atomic_read(&qla2x00_dfs_root_count) == 0 &&
|
|
qla2x00_dfs_root) {
|
|
debugfs_remove(qla2x00_dfs_root);
|
|
qla2x00_dfs_root = NULL;
|
|
}
|
|
|
|
return 0;
|
|
}
|