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path: root/drivers/scsi/qla2xxx/qla_dfs.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_dfs.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_dfs.c145
1 files changed, 132 insertions, 13 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c
index 989e17b0758c..d231e7156134 100644
--- a/drivers/scsi/qla2xxx/qla_dfs.c
+++ b/drivers/scsi/qla2xxx/qla_dfs.c
@@ -70,7 +70,7 @@ qla2x00_dfs_tgt_port_database_show(struct seq_file *s, void *unused)
qla2x00_gid_list_size(ha),
&gid_list_dma, GFP_KERNEL);
if (!gid_list) {
- ql_dbg(ql_dbg_user, vha, 0x705c,
+ ql_dbg(ql_dbg_user, vha, 0x7018,
"DMA allocation failed for %u\n",
qla2x00_gid_list_size(ha));
return 0;
@@ -164,26 +164,56 @@ static int
qla_dfs_tgt_counters_show(struct seq_file *s, void *unused)
{
struct scsi_qla_host *vha = s->private;
+ struct qla_qpair *qpair = vha->hw->base_qpair;
+ uint64_t qla_core_sbt_cmd, core_qla_que_buf, qla_core_ret_ctio,
+ core_qla_snd_status, qla_core_ret_sta_ctio, core_qla_free_cmd,
+ num_q_full_sent, num_alloc_iocb_failed, num_term_xchg_sent;
+ u16 i;
+
+ qla_core_sbt_cmd = qpair->tgt_counters.qla_core_sbt_cmd;
+ core_qla_que_buf = qpair->tgt_counters.core_qla_que_buf;
+ qla_core_ret_ctio = qpair->tgt_counters.qla_core_ret_ctio;
+ core_qla_snd_status = qpair->tgt_counters.core_qla_snd_status;
+ qla_core_ret_sta_ctio = qpair->tgt_counters.qla_core_ret_sta_ctio;
+ core_qla_free_cmd = qpair->tgt_counters.core_qla_free_cmd;
+ num_q_full_sent = qpair->tgt_counters.num_q_full_sent;
+ num_alloc_iocb_failed = qpair->tgt_counters.num_alloc_iocb_failed;
+ num_term_xchg_sent = qpair->tgt_counters.num_term_xchg_sent;
+
+ for (i = 0; i < vha->hw->max_qpairs; i++) {
+ qpair = vha->hw->queue_pair_map[i];
+ qla_core_sbt_cmd += qpair->tgt_counters.qla_core_sbt_cmd;
+ core_qla_que_buf += qpair->tgt_counters.core_qla_que_buf;
+ qla_core_ret_ctio += qpair->tgt_counters.qla_core_ret_ctio;
+ core_qla_snd_status += qpair->tgt_counters.core_qla_snd_status;
+ qla_core_ret_sta_ctio +=
+ qpair->tgt_counters.qla_core_ret_sta_ctio;
+ core_qla_free_cmd += qpair->tgt_counters.core_qla_free_cmd;
+ num_q_full_sent += qpair->tgt_counters.num_q_full_sent;
+ num_alloc_iocb_failed +=
+ qpair->tgt_counters.num_alloc_iocb_failed;
+ num_term_xchg_sent += qpair->tgt_counters.num_term_xchg_sent;
+ }
seq_puts(s, "Target Counters\n");
seq_printf(s, "qla_core_sbt_cmd = %lld\n",
- vha->tgt_counters.qla_core_sbt_cmd);
+ qla_core_sbt_cmd);
seq_printf(s, "qla_core_ret_sta_ctio = %lld\n",
- vha->tgt_counters.qla_core_ret_sta_ctio);
+ qla_core_ret_sta_ctio);
seq_printf(s, "qla_core_ret_ctio = %lld\n",
- vha->tgt_counters.qla_core_ret_ctio);
+ qla_core_ret_ctio);
seq_printf(s, "core_qla_que_buf = %lld\n",
- vha->tgt_counters.core_qla_que_buf);
+ core_qla_que_buf);
seq_printf(s, "core_qla_snd_status = %lld\n",
- vha->tgt_counters.core_qla_snd_status);
+ core_qla_snd_status);
seq_printf(s, "core_qla_free_cmd = %lld\n",
- vha->tgt_counters.core_qla_free_cmd);
+ core_qla_free_cmd);
seq_printf(s, "num alloc iocb failed = %lld\n",
- vha->tgt_counters.num_alloc_iocb_failed);
+ num_alloc_iocb_failed);
seq_printf(s, "num term exchange sent = %lld\n",
- vha->tgt_counters.num_term_xchg_sent);
+ num_term_xchg_sent);
seq_printf(s, "num Q full sent = %lld\n",
- vha->tgt_counters.num_q_full_sent);
+ num_q_full_sent);
/* DIF stats */
seq_printf(s, "DIF Inp Bytes = %lld\n",
@@ -314,6 +344,81 @@ static const struct file_operations dfs_fce_ops = {
.release = qla2x00_dfs_fce_release,
};
+static int
+qla_dfs_naqp_show(struct seq_file *s, void *unused)
+{
+ struct scsi_qla_host *vha = s->private;
+ struct qla_hw_data *ha = vha->hw;
+
+ seq_printf(s, "%d\n", ha->tgt.num_act_qpairs);
+ return 0;
+}
+
+static int
+qla_dfs_naqp_open(struct inode *inode, struct file *file)
+{
+ struct scsi_qla_host *vha = inode->i_private;
+
+ return single_open(file, qla_dfs_naqp_show, vha);
+}
+
+static ssize_t
+qla_dfs_naqp_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 num_act_qp;
+
+ if (!(IS_QLA27XX(ha) || IS_QLA83XX(ha))) {
+ pr_err("host%ld: this adapter does not support Multi Q.",
+ vha->host_no);
+ return -EINVAL;
+ }
+
+ if (!vha->flags.qpairs_available) {
+ pr_err("host%ld: Driver is not setup with Multi Q.",
+ vha->host_no);
+ return -EINVAL;
+ }
+ buf = memdup_user_nul(buffer, count);
+ if (IS_ERR(buf)) {
+ pr_err("host%ld: fail to copy user buffer.",
+ vha->host_no);
+ return PTR_ERR(buf);
+ }
+
+ num_act_qp = simple_strtoul(buf, NULL, 0);
+
+ if (num_act_qp >= vha->hw->max_qpairs) {
+ pr_err("User set invalid number of qpairs %lu. Max = %d",
+ num_act_qp, vha->hw->max_qpairs);
+ rc = -EINVAL;
+ goto out_free;
+ }
+
+ if (num_act_qp != ha->tgt.num_act_qpairs) {
+ ha->tgt.num_act_qpairs = num_act_qp;
+ qlt_clr_qp_table(vha);
+ }
+ rc = count;
+out_free:
+ kfree(buf);
+ return rc;
+}
+
+static const struct file_operations dfs_naqp_ops = {
+ .open = qla_dfs_naqp_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = qla_dfs_naqp_write,
+};
+
+
int
qla2x00_dfs_setup(scsi_qla_host_t *vha)
{
@@ -370,7 +475,7 @@ create_nodes:
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, 0xffff,
+ ql_log(ql_log_warn, vha, 0xd03f,
"Unable to create debugFS tgt_port_database node.\n");
goto out;
}
@@ -386,11 +491,20 @@ create_nodes:
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, 0xffff,
- "Unable to create debugFS tgt_sess node.\n");
+ 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;
}
@@ -400,6 +514,11 @@ 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;
generated by cgit (git 2.34.1) at 2024-05-23 05:19:30 +0000