Commit 9b0c97df authored by Kai Ye's avatar Kai Ye Committed by Herbert Xu
Browse files

crypto: hisilicon/zip - 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: default avatarLongfang Liu <liulongfang@huawei.com>
Signed-off-by: default avatarKai Ye <yekai13@huawei.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 16175030

drivers/crypto/hisilicon/zip/zip_main.c

+70 −8
Original line number Diff line number Diff line
@@ -49,14 +49,18 @@ 


#define HZIP_QM_IDEL_STATUS		0x3040e4



#define HZIP_CORE_DEBUG_COMP_0		0x302000

#define HZIP_CORE_DEBUG_COMP_1		0x303000

#define HZIP_CORE_DEBUG_DECOMP_0	0x304000

#define HZIP_CORE_DEBUG_DECOMP_1	0x305000

#define HZIP_CORE_DEBUG_DECOMP_2	0x306000

#define HZIP_CORE_DEBUG_DECOMP_3	0x307000

#define HZIP_CORE_DEBUG_DECOMP_4	0x308000

#define HZIP_CORE_DEBUG_DECOMP_5	0x309000

#define HZIP_CORE_DFX_BASE		0x301000

#define HZIP_CLOCK_GATED_CONTL		0X301004

#define HZIP_CORE_DFX_COMP_0		0x302000

#define HZIP_CORE_DFX_COMP_1		0x303000

#define HZIP_CORE_DFX_DECOMP_0		0x304000

#define HZIP_CORE_DFX_DECOMP_1		0x305000

#define HZIP_CORE_DFX_DECOMP_2		0x306000

#define HZIP_CORE_DFX_DECOMP_3		0x307000

#define HZIP_CORE_DFX_DECOMP_4		0x308000

#define HZIP_CORE_DFX_DECOMP_5		0x309000

#define HZIP_CORE_REGS_BASE_LEN		0xB0

#define HZIP_CORE_REGS_DFX_LEN		0x28



#define HZIP_CORE_INT_SOURCE		0x3010A0

#define HZIP_CORE_INT_MASK_REG		0x3010A4
@@ -230,6 +234,48 @@ static const struct debugfs_reg32 hzip_dfx_regs[] = { 
	{"HZIP_DECOMP_LZ77_CURR_ST       ",  0x9cull},

};



/* define the ZIP's dfx regs region and region length */

static struct dfx_diff_registers hzip_diff_regs[] = {

	{

		.reg_offset = HZIP_CORE_DFX_BASE,

		.reg_len = HZIP_CORE_REGS_BASE_LEN,

	}, {

		.reg_offset = HZIP_CORE_DFX_COMP_0,

		.reg_len = HZIP_CORE_REGS_DFX_LEN,

	}, {

		.reg_offset = HZIP_CORE_DFX_COMP_1,

		.reg_len = HZIP_CORE_REGS_DFX_LEN,

	}, {

		.reg_offset = HZIP_CORE_DFX_DECOMP_0,

		.reg_len = HZIP_CORE_REGS_DFX_LEN,

	}, {

		.reg_offset = HZIP_CORE_DFX_DECOMP_1,

		.reg_len = HZIP_CORE_REGS_DFX_LEN,

	}, {

		.reg_offset = HZIP_CORE_DFX_DECOMP_2,

		.reg_len = HZIP_CORE_REGS_DFX_LEN,

	}, {

		.reg_offset = HZIP_CORE_DFX_DECOMP_3,

		.reg_len = HZIP_CORE_REGS_DFX_LEN,

	}, {

		.reg_offset = HZIP_CORE_DFX_DECOMP_4,

		.reg_len = HZIP_CORE_REGS_DFX_LEN,

	}, {

		.reg_offset = HZIP_CORE_DFX_DECOMP_5,

		.reg_len = HZIP_CORE_REGS_DFX_LEN,

	},

};



static int hzip_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(hzip_diff_regs));



	return 0;

}

DEFINE_SHOW_ATTRIBUTE(hzip_diff_regs);

static const struct kernel_param_ops zip_uacce_mode_ops = {

	.set = uacce_mode_set,

	.get = param_get_int,
@@ -621,6 +667,7 @@ static int hisi_zip_core_debug_init(struct hisi_qm *qm) 


static void hisi_zip_dfx_debug_init(struct hisi_qm *qm)

{

	struct dfx_diff_registers *hzip_regs = qm->debug.acc_diff_regs;

	struct hisi_zip *zip = container_of(qm, struct hisi_zip, qm);

	struct hisi_zip_dfx *dfx = &zip->dfx;

	struct dentry *tmp_dir;
@@ -634,6 +681,10 @@ static void hisi_zip_dfx_debug_init(struct hisi_qm *qm) 
				    0644, tmp_dir, data,

				    &zip_atomic64_ops);

	}



	if (qm->fun_type == QM_HW_PF && hzip_regs)

		debugfs_create_file("diff_regs", 0444, tmp_dir,

				      qm, &hzip_diff_regs_fops);

}



static int hisi_zip_ctrl_debug_init(struct hisi_qm *qm)
@@ -666,6 +717,13 @@ static int hisi_zip_debugfs_init(struct hisi_qm *qm) 
	qm->debug.sqe_mask_offset = HZIP_SQE_MASK_OFFSET;

	qm->debug.sqe_mask_len = HZIP_SQE_MASK_LEN;

	qm->debug.debug_root = dev_d;

	ret = hisi_qm_diff_regs_init(qm, hzip_diff_regs,

				ARRAY_SIZE(hzip_diff_regs));

	if (ret) {

		dev_warn(dev, "Failed to init ZIP diff regs!\n");

		goto debugfs_remove;

	}



	hisi_qm_debug_init(qm);



	if (qm->fun_type == QM_HW_PF) {
@@ -679,6 +737,8 @@ static int hisi_zip_debugfs_init(struct hisi_qm *qm) 
	return 0;



failed_to_create:

	hisi_qm_diff_regs_uninit(qm, ARRAY_SIZE(hzip_diff_regs));

debugfs_remove:

	debugfs_remove_recursive(hzip_debugfs_root);

	return ret;

}
@@ -703,6 +763,8 @@ static void hisi_zip_debug_regs_clear(struct hisi_qm *qm) 


static void hisi_zip_debugfs_exit(struct hisi_qm *qm)

{

	hisi_qm_diff_regs_uninit(qm, ARRAY_SIZE(hzip_diff_regs));



	debugfs_remove_recursive(qm->debug.debug_root);



	if (qm->fun_type == QM_HW_PF) {