diff options
author | Kai Ye <yekai13@huawei.com> | 2020-05-15 17:13:56 +0800 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-05-23 00:08:22 +1000 |
commit | 8213a1a60c5329501ff903339b248ceb84278cc3 (patch) | |
tree | 9120f6024ccf8660ce8c890b15596e7e8afdafe5 /drivers/crypto/hisilicon | |
parent | 0a3a3960210b4bc6cfe5db45b4af714ee4a010e1 (diff) |
crypto: hisilicon/sec2 - add debugfs for Hisilicon SEC
Hisilicon SEC engine driver uses debugfs
to provides IO operation debug information
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Longfang Liu <liulongfang@huawei.com>
Signed-off-by: Shukun Tan <tanshukun1@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/hisilicon')
-rw-r--r-- | drivers/crypto/hisilicon/sec2/sec.h | 4 | ||||
-rw-r--r-- | drivers/crypto/hisilicon/sec2/sec_crypto.c | 15 | ||||
-rw-r--r-- | drivers/crypto/hisilicon/sec2/sec_main.c | 43 |
3 files changed, 52 insertions, 10 deletions
diff --git a/drivers/crypto/hisilicon/sec2/sec.h b/drivers/crypto/hisilicon/sec2/sec.h index 2326634a1d71..7b64aca704d6 100644 --- a/drivers/crypto/hisilicon/sec2/sec.h +++ b/drivers/crypto/hisilicon/sec2/sec.h @@ -160,6 +160,10 @@ struct sec_debug_file { struct sec_dfx { atomic64_t send_cnt; atomic64_t recv_cnt; + atomic64_t send_busy_cnt; + atomic64_t err_bd_cnt; + atomic64_t invalid_req_cnt; + atomic64_t done_flag_cnt; }; struct sec_debug { diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c index 848ab492d26e..64614a9bdf21 100644 --- a/drivers/crypto/hisilicon/sec2/sec_crypto.c +++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c @@ -148,6 +148,7 @@ static int sec_aead_verify(struct sec_req *req) static void sec_req_cb(struct hisi_qp *qp, void *resp) { struct sec_qp_ctx *qp_ctx = qp->qp_ctx; + struct sec_dfx *dfx = &qp_ctx->ctx->sec->debug.dfx; struct sec_sqe *bd = resp; struct sec_ctx *ctx; struct sec_req *req; @@ -157,11 +158,16 @@ static void sec_req_cb(struct hisi_qp *qp, void *resp) type = bd->type_cipher_auth & SEC_TYPE_MASK; if (unlikely(type != SEC_BD_TYPE2)) { + atomic64_inc(&dfx->err_bd_cnt); pr_err("err bd type [%d]\n", type); return; } req = qp_ctx->req_list[le16_to_cpu(bd->type2.tag)]; + if (unlikely(!req)) { + atomic64_inc(&dfx->invalid_req_cnt); + return; + } req->err_type = bd->type2.error_type; ctx = req->ctx; done = le16_to_cpu(bd->type2.done_flag) & SEC_DONE_MASK; @@ -174,12 +180,13 @@ static void sec_req_cb(struct hisi_qp *qp, void *resp) "err_type[%d],done[%d],flag[%d]\n", req->err_type, done, flag); err = -EIO; + atomic64_inc(&dfx->done_flag_cnt); } if (ctx->alg_type == SEC_AEAD && !req->c_req.encrypt) err = sec_aead_verify(req); - atomic64_inc(&ctx->sec->debug.dfx.recv_cnt); + atomic64_inc(&dfx->recv_cnt); ctx->req_op->buf_unmap(ctx, req); @@ -200,10 +207,12 @@ static int sec_bd_send(struct sec_ctx *ctx, struct sec_req *req) return -ENOBUFS; if (!ret) { - if (req->fake_busy) + if (req->fake_busy) { + atomic64_inc(&ctx->sec->debug.dfx.send_busy_cnt); ret = -EBUSY; - else + } else { ret = -EINPROGRESS; + } } return ret; diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c index c3381f253d55..5ea44ad8d51c 100644 --- a/drivers/crypto/hisilicon/sec2/sec_main.c +++ b/drivers/crypto/hisilicon/sec2/sec_main.c @@ -88,6 +88,11 @@ struct sec_hw_error { const char *msg; }; +struct sec_dfx_item { + const char *name; + u32 offset; +}; + static const char sec_name[] = "hisi_sec2"; static struct dentry *sec_debugfs_root; static struct hisi_qm_list sec_devices; @@ -110,6 +115,15 @@ static const char * const sec_dbg_file_name[] = { [SEC_CLEAR_ENABLE] = "clear_enable", }; +static struct sec_dfx_item sec_dfx_labels[] = { + {"send_cnt", offsetof(struct sec_dfx, send_cnt)}, + {"recv_cnt", offsetof(struct sec_dfx, recv_cnt)}, + {"send_busy_cnt", offsetof(struct sec_dfx, send_busy_cnt)}, + {"err_bd_cnt", offsetof(struct sec_dfx, err_bd_cnt)}, + {"invalid_req_cnt", offsetof(struct sec_dfx, invalid_req_cnt)}, + {"done_flag_cnt", offsetof(struct sec_dfx, done_flag_cnt)}, +}; + static const struct debugfs_reg32 sec_dfx_regs[] = { {"SEC_PF_ABNORMAL_INT_SOURCE ", 0x301010}, {"SEC_SAA_EN ", 0x301270}, @@ -543,10 +557,22 @@ static const struct file_operations sec_dbg_fops = { static int sec_debugfs_atomic64_get(void *data, u64 *val) { *val = atomic64_read((atomic64_t *)data); + + return 0; +} + +static int sec_debugfs_atomic64_set(void *data, u64 val) +{ + if (val) + return -EINVAL; + + atomic64_set((atomic64_t *)data, 0); + return 0; } + DEFINE_DEBUGFS_ATTRIBUTE(sec_atomic64_ops, sec_debugfs_atomic64_get, - NULL, "%lld\n"); + sec_debugfs_atomic64_set, "%lld\n"); static int sec_core_debug_init(struct sec_dev *sec) { @@ -555,6 +581,7 @@ static int sec_core_debug_init(struct sec_dev *sec) struct sec_dfx *dfx = &sec->debug.dfx; struct debugfs_regset32 *regset; struct dentry *tmp_d; + int i; tmp_d = debugfs_create_dir("sec_dfx", sec->qm.debug.debug_root); @@ -566,13 +593,15 @@ static int sec_core_debug_init(struct sec_dev *sec) regset->nregs = ARRAY_SIZE(sec_dfx_regs); regset->base = qm->io_base; - debugfs_create_regset32("regs", 0444, tmp_d, regset); + if (qm->pdev->device == SEC_PF_PCI_DEVICE_ID) + debugfs_create_regset32("regs", 0444, tmp_d, regset); - debugfs_create_file("send_cnt", 0444, tmp_d, - &dfx->send_cnt, &sec_atomic64_ops); - - debugfs_create_file("recv_cnt", 0444, tmp_d, - &dfx->recv_cnt, &sec_atomic64_ops); + for (i = 0; i < ARRAY_SIZE(sec_dfx_labels); i++) { + atomic64_t *data = (atomic64_t *)((uintptr_t)dfx + + sec_dfx_labels[i].offset); + debugfs_create_file(sec_dfx_labels[i].name, 0644, + tmp_d, data, &sec_atomic64_ops); + } return 0; } |