The value of the register is changed after the task running. A debugfs
file node is added to help users to check the change of register values.
Signed-off-by: Longfang Liu <liulongfang@xxxxxxxxxx>
Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx>
---
drivers/crypto/hisilicon/sec2/sec_main.c | 53 ++++++++++++++++++++++++
1 file changed, 53 insertions(+)
diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c
index 92fae706bdb2..93ef0e3b5b16 100644
--- a/drivers/crypto/hisilicon/sec2/sec_main.c
+++ b/drivers/crypto/hisilicon/sec2/sec_main.c
@@ -110,6 +110,15 @@
#define SEC_SQE_MASK_LEN 48
#define SEC_SHAPER_TYPE_RATE 400
+#define SEC_DFX_BASE 0x301000
+#define SEC_DFX_CORE 0x302100
+#define SEC_DFX_COMMON1 0x301600
+#define SEC_DFX_COMMON2 0x301C00
+#define SEC_DFX_BASE_LEN 0x9D
+#define SEC_DFX_CORE_LEN 0x32B
+#define SEC_DFX_COMMON1_LEN 0x45
+#define SEC_DFX_COMMON2_LEN 0xBA
+
struct sec_hw_error {
u32 int_msk;
const char *msg;
@@ -226,6 +235,34 @@ static const struct debugfs_reg32 sec_dfx_regs[] = {
{"SEC_BD_SAA8 ", 0x301C40},
};
+/* define the SEC's dfx regs region and region length */
+static struct dfx_diff_registers sec_diff_regs[] = {
+ {
+ .reg_offset = SEC_DFX_BASE,
+ .reg_len = SEC_DFX_BASE_LEN,
+ }, {
+ .reg_offset = SEC_DFX_COMMON1,
+ .reg_len = SEC_DFX_COMMON1_LEN,
+ }, {
+ .reg_offset = SEC_DFX_COMMON2,
+ .reg_len = SEC_DFX_COMMON2_LEN,
+ }, {
+ .reg_offset = SEC_DFX_CORE,
+ .reg_len = SEC_DFX_CORE_LEN,
+ },
+};
+
+static int sec_diff_regs_show(struct seq_file *s, void *unused)
+{
+ struct hisi_qm *qm = s->private;
+
+ hisi_qm_acc_diff_regs_dump(qm, s, qm->debug.acc_diff_regs,
+ ARRAY_SIZE(sec_diff_regs));
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(sec_diff_regs);
+
static int sec_pf_q_num_set(const char *val, const struct kernel_param *kp)
{
return q_num_set(val, kp, PCI_DEVICE_ID_HUAWEI_SEC_PF);
@@ -729,6 +766,7 @@ DEFINE_SHOW_ATTRIBUTE(sec_regs);
static int sec_core_debug_init(struct hisi_qm *qm)
{
+ struct dfx_diff_registers *sec_regs = qm->debug.acc_diff_regs;
struct sec_dev *sec = container_of(qm, struct sec_dev, qm);
struct device *dev = &qm->pdev->dev;
struct sec_dfx *dfx = &sec->debug.dfx;
@@ -749,6 +787,9 @@ static int sec_core_debug_init(struct hisi_qm *qm)
if (qm->pdev->device == PCI_DEVICE_ID_HUAWEI_SEC_PF)
debugfs_create_file("regs", 0444, tmp_d, regset, &sec_regs_fops);
+ if (qm->fun_type == QM_HW_PF && sec_regs)
+ debugfs_create_file("diff_regs", 0444, tmp_d,
+ qm, &sec_diff_regs_fops);
for (i = 0; i < ARRAY_SIZE(sec_dfx_labels); i++) {
atomic64_t *data = (atomic64_t *)((uintptr_t)dfx +
@@ -790,6 +831,14 @@ static int sec_debugfs_init(struct hisi_qm *qm)
sec_debugfs_root);
qm->debug.sqe_mask_offset = SEC_SQE_MASK_OFFSET;
qm->debug.sqe_mask_len = SEC_SQE_MASK_LEN;
+
+ ret = hisi_qm_diff_regs_init(qm, sec_diff_regs,
+ ARRAY_SIZE(sec_diff_regs));
+ if (ret) {
+ dev_warn(dev, "Failed to init SEC diff regs!\n");
+ goto debugfs_remove;
+ }
+
hisi_qm_debug_init(qm);
ret = sec_debug_init(qm);
@@ -799,12 +848,16 @@ static int sec_debugfs_init(struct hisi_qm *qm)
return 0;
failed_to_create:
+ hisi_qm_diff_regs_uninit(qm, ARRAY_SIZE(sec_diff_regs));
+debugfs_remove:
debugfs_remove_recursive(sec_debugfs_root);
return ret;
}
static void sec_debugfs_exit(struct hisi_qm *qm)
{
+ hisi_qm_diff_regs_uninit(qm, ARRAY_SIZE(sec_diff_regs));
+
debugfs_remove_recursive(qm->debug.debug_root);
}
--
2.33.0
