diff options
Diffstat (limited to 'drivers/crypto/hisilicon/debugfs.c')
| -rw-r--r-- | drivers/crypto/hisilicon/debugfs.c | 76 |
1 files changed, 65 insertions, 11 deletions
diff --git a/drivers/crypto/hisilicon/debugfs.c b/drivers/crypto/hisilicon/debugfs.c index 32e9f8350289..3ee6de16e3f1 100644 --- a/drivers/crypto/hisilicon/debugfs.c +++ b/drivers/crypto/hisilicon/debugfs.c @@ -45,8 +45,8 @@ struct qm_dfx_item { struct qm_cmd_dump_item { const char *cmd; - char *info_name; - int (*dump_fn)(struct hisi_qm *qm, char *cmd, char *info_name); + const char *info_name; + int (*dump_fn)(struct hisi_qm *qm, char *cmd, const char *info_name); }; static struct qm_dfx_item qm_dfx_files[] = { @@ -151,7 +151,7 @@ static ssize_t qm_cmd_read(struct file *filp, char __user *buffer, } static void dump_show(struct hisi_qm *qm, void *info, - unsigned int info_size, char *info_name) + unsigned int info_size, const char *info_name) { struct device *dev = &qm->pdev->dev; u8 *info_curr = info; @@ -165,7 +165,7 @@ static void dump_show(struct hisi_qm *qm, void *info, } } -static int qm_sqc_dump(struct hisi_qm *qm, char *s, char *name) +static int qm_sqc_dump(struct hisi_qm *qm, char *s, const char *name) { struct device *dev = &qm->pdev->dev; struct qm_sqc sqc; @@ -202,7 +202,7 @@ static int qm_sqc_dump(struct hisi_qm *qm, char *s, char *name) return 0; } -static int qm_cqc_dump(struct hisi_qm *qm, char *s, char *name) +static int qm_cqc_dump(struct hisi_qm *qm, char *s, const char *name) { struct device *dev = &qm->pdev->dev; struct qm_cqc cqc; @@ -239,7 +239,7 @@ static int qm_cqc_dump(struct hisi_qm *qm, char *s, char *name) return 0; } -static int qm_eqc_aeqc_dump(struct hisi_qm *qm, char *s, char *name) +static int qm_eqc_aeqc_dump(struct hisi_qm *qm, char *s, const char *name) { struct device *dev = &qm->pdev->dev; struct qm_aeqc aeqc; @@ -305,7 +305,7 @@ static int q_dump_param_parse(struct hisi_qm *qm, char *s, ret = kstrtou32(presult, 0, e_id); if (ret || *e_id >= q_depth) { - dev_err(dev, "Please input sqe num (0-%u)", q_depth - 1); + dev_err(dev, "Please input sqe num (0-%d)", q_depth - 1); return -EINVAL; } @@ -317,7 +317,7 @@ static int q_dump_param_parse(struct hisi_qm *qm, char *s, return 0; } -static int qm_sq_dump(struct hisi_qm *qm, char *s, char *name) +static int qm_sq_dump(struct hisi_qm *qm, char *s, const char *name) { u16 sq_depth = qm->qp_array->sq_depth; struct hisi_qp *qp; @@ -345,7 +345,7 @@ static int qm_sq_dump(struct hisi_qm *qm, char *s, char *name) return 0; } -static int qm_cq_dump(struct hisi_qm *qm, char *s, char *name) +static int qm_cq_dump(struct hisi_qm *qm, char *s, const char *name) { struct qm_cqe *cqe_curr; struct hisi_qp *qp; @@ -363,7 +363,7 @@ static int qm_cq_dump(struct hisi_qm *qm, char *s, char *name) return 0; } -static int qm_eq_aeq_dump(struct hisi_qm *qm, char *s, char *name) +static int qm_eq_aeq_dump(struct hisi_qm *qm, char *s, const char *name) { struct device *dev = &qm->pdev->dev; u16 xeq_depth; @@ -388,7 +388,7 @@ static int qm_eq_aeq_dump(struct hisi_qm *qm, char *s, char *name) } if (xeqe_id >= xeq_depth) { - dev_err(dev, "Please input eqe or aeqe num (0-%u)", xeq_depth - 1); + dev_err(dev, "Please input eqe or aeqe num (0-%d)", xeq_depth - 1); return -EINVAL; } @@ -1040,6 +1040,57 @@ void hisi_qm_show_last_dfx_regs(struct hisi_qm *qm) } } +static int qm_usage_percent(struct hisi_qm *qm, int chan_num) +{ + u32 val, used_bw, total_bw; + + val = readl(qm->io_base + QM_CHANNEL_USAGE_OFFSET + + chan_num * QM_CHANNEL_ADDR_INTRVL); + used_bw = lower_16_bits(val); + total_bw = upper_16_bits(val); + if (!total_bw) + return -EIO; + + if (total_bw <= used_bw) + return QM_MAX_DEV_USAGE; + + return (used_bw * QM_DEV_USAGE_RATE) / total_bw; +} + +static int qm_usage_show(struct seq_file *s, void *unused) +{ + struct hisi_qm *qm = s->private; + bool dev_is_active = true; + int i, ret; + + /* If device is in suspended, usage is 0. */ + ret = hisi_qm_get_dfx_access(qm); + if (ret == -EAGAIN) { + dev_is_active = false; + } else if (ret) { + dev_err(&qm->pdev->dev, "failed to get dfx access for usage_show!\n"); + return ret; + } + + ret = 0; + for (i = 0; i < qm->channel_data.channel_num; i++) { + if (dev_is_active) { + ret = qm_usage_percent(qm, i); + if (ret < 0) { + hisi_qm_put_dfx_access(qm); + return ret; + } + } + seq_printf(s, "%s: %d\n", qm->channel_data.channel_name[i], ret); + } + + if (dev_is_active) + hisi_qm_put_dfx_access(qm); + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(qm_usage); + static int qm_diff_regs_show(struct seq_file *s, void *unused) { struct hisi_qm *qm = s->private; @@ -1159,6 +1210,9 @@ void hisi_qm_debug_init(struct hisi_qm *qm) debugfs_create_file("diff_regs", 0444, qm->debug.qm_d, qm, &qm_diff_regs_fops); + if (qm->ver >= QM_HW_V5) + debugfs_create_file("dev_usage", 0444, qm->debug.debug_root, qm, &qm_usage_fops); + debugfs_create_file("regs", 0444, qm->debug.qm_d, qm, &qm_regs_fops); debugfs_create_file("cmd", 0600, qm->debug.qm_d, qm, &qm_cmd_fops); |