UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

crypto: hisilicon/hpre - support register checking 

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@huawei.com>
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Kai Ye 2022-04-09 16:03:19 +08:00 committed by Herbert Xu
parent f1724d397c
commit 9210bdaa0d
1 changed files with 72 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
drivers/crypto/hisilicon/hpre/hpre_main.c
View File

@ -107,6 +107,15 @@
#define HPRE_SQE_MASK_OFFSET 8
#define HPRE_SQE_MASK_LEN 24
#define HPRE_DFX_BASE 0x301000
#define HPRE_DFX_COMMON1 0x301400
#define HPRE_DFX_COMMON2 0x301A00
#define HPRE_DFX_CORE 0x302000
#define HPRE_DFX_BASE_LEN 0x55
#define HPRE_DFX_COMMON1_LEN 0x41
#define HPRE_DFX_COMMON2_LEN 0xE
#define HPRE_DFX_CORE_LEN 0x43
static const char hpre_name[] = "hisi_hpre";
static struct dentry *hpre_debugfs_root;
static const struct pci_device_id hpre_dev_ids[] = {
@ -226,6 +235,53 @@ static const char *hpre_dfx_files[HPRE_DFX_FILE_NUM] = {
"invalid_req_cnt"
};
/* define the HPRE's dfx regs region and region length */
static struct dfx_diff_registers hpre_diff_regs[] = {
{
.reg_offset = HPRE_DFX_BASE,
.reg_len = HPRE_DFX_BASE_LEN,
}, {
.reg_offset = HPRE_DFX_COMMON1,
.reg_len = HPRE_DFX_COMMON1_LEN,
}, {
.reg_offset = HPRE_DFX_COMMON2,
.reg_len = HPRE_DFX_COMMON2_LEN,
}, {
.reg_offset = HPRE_DFX_CORE,
.reg_len = HPRE_DFX_CORE_LEN,
},
};
static int hpre_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(hpre_diff_regs));
return 0;
}
DEFINE_SHOW_ATTRIBUTE(hpre_diff_regs);
static int hpre_com_regs_show(struct seq_file *s, void *unused)
{
hisi_qm_regs_dump(s, s->private);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(hpre_com_regs);
static int hpre_cluster_regs_show(struct seq_file *s, void *unused)
{
hisi_qm_regs_dump(s, s->private);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(hpre_cluster_regs);
static const struct kernel_param_ops hpre_uacce_mode_ops = {
.set = uacce_mode_set,
.get = param_get_int,
@ -779,24 +835,6 @@ static int hpre_debugfs_atomic64_set(void *data, u64 val)
DEFINE_DEBUGFS_ATTRIBUTE(hpre_atomic64_ops, hpre_debugfs_atomic64_get,
hpre_debugfs_atomic64_set, "%llu\n");
static int hpre_com_regs_show(struct seq_file *s, void *unused)
{
hisi_qm_regs_dump(s, s->private);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(hpre_com_regs);
static int hpre_cluster_regs_show(struct seq_file *s, void *unused)
{
hisi_qm_regs_dump(s, s->private);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(hpre_cluster_regs);
static int hpre_create_debugfs_file(struct hisi_qm *qm, struct dentry *dir,
enum hpre_ctrl_dbgfs_file type, int indx)
{
@ -895,6 +933,7 @@ static int hpre_ctrl_debug_init(struct hisi_qm *qm)
static void hpre_dfx_debug_init(struct hisi_qm *qm)
{
struct dfx_diff_registers *hpre_regs = qm->debug.acc_diff_regs;
struct hpre *hpre = container_of(qm, struct hpre, qm);
struct hpre_dfx *dfx = hpre->debug.dfx;
struct dentry *parent;
@ -906,6 +945,10 @@ static void hpre_dfx_debug_init(struct hisi_qm *qm)
debugfs_create_file(hpre_dfx_files[i], 0644, parent, &dfx[i],
&hpre_atomic64_ops);
}
if (qm->fun_type == QM_HW_PF && hpre_regs)
debugfs_create_file("diff_regs", 0444, parent,
qm, &hpre_diff_regs_fops);
}
static int hpre_debugfs_init(struct hisi_qm *qm)
@ -918,6 +961,13 @@ static int hpre_debugfs_init(struct hisi_qm *qm)
qm->debug.sqe_mask_offset = HPRE_SQE_MASK_OFFSET;
qm->debug.sqe_mask_len = HPRE_SQE_MASK_LEN;
ret = hisi_qm_diff_regs_init(qm, hpre_diff_regs,
ARRAY_SIZE(hpre_diff_regs));
if (ret) {
dev_warn(dev, "Failed to init HPRE diff regs!\n");
goto debugfs_remove;
}
hisi_qm_debug_init(qm);
if (qm->pdev->device == PCI_DEVICE_ID_HUAWEI_HPRE_PF) {
@ -931,12 +981,16 @@ static int hpre_debugfs_init(struct hisi_qm *qm)
return 0;
failed_to_create:
hisi_qm_diff_regs_uninit(qm, ARRAY_SIZE(hpre_diff_regs));
debugfs_remove:
debugfs_remove_recursive(qm->debug.debug_root);
return ret;
}
static void hpre_debugfs_exit(struct hisi_qm *qm)
{
hisi_qm_diff_regs_uninit(qm, ARRAY_SIZE(hpre_diff_regs));
debugfs_remove_recursive(qm->debug.debug_root);
}