diff options
Diffstat (limited to 'drivers/crypto/hisilicon/hpre/hpre_main.c')
| -rw-r--r-- | drivers/crypto/hisilicon/hpre/hpre_main.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c index c5ddd3a8ec85..fb3988f347f6 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_main.c +++ b/drivers/crypto/hisilicon/hpre/hpre_main.c @@ -159,6 +159,16 @@ static const struct debugfs_reg32 hpre_com_dfx_regs[] = { {"INT_STATUS ", HPRE_INT_STATUS}, }; +static const char *hpre_dfx_files[HPRE_DFX_FILE_NUM] = { + "send_cnt", + "recv_cnt", + "send_fail_cnt", + "send_busy_cnt", + "over_thrhld_cnt", + "overtime_thrhld", + "invalid_req_cnt" +}; + static int pf_q_num_set(const char *val, const struct kernel_param *kp) { return q_num_set(val, kp, HPRE_PCI_DEVICE_ID); @@ -524,6 +534,33 @@ static const struct file_operations hpre_ctrl_debug_fops = { .write = hpre_ctrl_debug_write, }; +static int hpre_debugfs_atomic64_get(void *data, u64 *val) +{ + struct hpre_dfx *dfx_item = data; + + *val = atomic64_read(&dfx_item->value); + + return 0; +} + +static int hpre_debugfs_atomic64_set(void *data, u64 val) +{ + struct hpre_dfx *dfx_item = data; + struct hpre_dfx *hpre_dfx = dfx_item - HPRE_OVERTIME_THRHLD; + + if (val) + return -EINVAL; + + if (dfx_item->type == HPRE_OVERTIME_THRHLD) + atomic64_set(&hpre_dfx[HPRE_OVER_THRHLD_CNT].value, 0); + atomic64_set(&dfx_item->value, val); + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(hpre_atomic64_ops, hpre_debugfs_atomic64_get, + hpre_debugfs_atomic64_set, "%llu\n"); + static int hpre_create_debugfs_file(struct hpre_debug *dbg, struct dentry *dir, enum hpre_ctrl_dbgfs_file type, int indx) { @@ -621,6 +658,22 @@ static int hpre_ctrl_debug_init(struct hpre_debug *debug) return hpre_cluster_debugfs_init(debug); } +static void hpre_dfx_debug_init(struct hpre_debug *debug) +{ + struct hpre *hpre = container_of(debug, struct hpre, debug); + struct hpre_dfx *dfx = hpre->debug.dfx; + struct hisi_qm *qm = &hpre->qm; + struct dentry *parent; + int i; + + parent = debugfs_create_dir("hpre_dfx", qm->debug.debug_root); + for (i = 0; i < HPRE_DFX_FILE_NUM; i++) { + dfx[i].type = i; + debugfs_create_file(hpre_dfx_files[i], 0644, parent, &dfx[i], + &hpre_atomic64_ops); + } +} + static int hpre_debugfs_init(struct hpre *hpre) { struct hisi_qm *qm = &hpre->qm; @@ -641,6 +694,9 @@ static int hpre_debugfs_init(struct hpre *hpre) if (ret) goto failed_to_create; } + + hpre_dfx_debug_init(&hpre->debug); + return 0; failed_to_create: |