securemsm-kernel: remove qcedev_compat support

cleanup qcedev_compat driver support that is not
needed on latest Qualcomm Technologies, Inc. plateforms.

Change-Id: Id61e06a5a3cc1b3e9474c328f26761ffda9a55e0
Signed-off-by: Udit Tiwari <[email protected]>

Kbuild

@@ -33,7 +33,7 @@ obj-$(CONFIG_CRYPTO_DEV_QCEDEV) += qce50_dlkm.o
 qce50_dlkm-objs := crypto-qti/qce50.o
 
 obj-$(CONFIG_CRYPTO_DEV_QCEDEV) += qcedev-mod_dlkm.o
-qcedev-mod_dlkm-objs := crypto-qti/qcedev.o crypto-qti/qcedev_smmu.o crypto-qti/compat_qcedev.o
+qcedev-mod_dlkm-objs := crypto-qti/qcedev.o crypto-qti/qcedev_smmu.o
 
 obj-$(CONFIG_CRYPTO_DEV_QCRYPTO) += qcrypto-msm_dlkm.o
 qcrypto-msm_dlkm-objs := crypto-qti/qcrypto.o

crypto-qti/compat_qcedev.c

@@ -1,536 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * QTI CE 32-bit compatibility syscall for 64-bit systems
- *
- * Copyright (c) 2014-2020, The Linux Foundation. All rights reserved.
- * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/uaccess.h>
-#include "linux/qcedev.h"
-#include <linux/compat.h>
-#include "linux/compat_qcedev.h"
-
-static void *compat_alloc_user_space(int size){
-    return NULL;
-}
-
-static int compat_get_qcedev_pmem_info(
-		struct compat_qcedev_pmem_info __user *pmem32,
-		struct qcedev_pmem_info __user *pmem)
-{
-	compat_ulong_t offset;
-	compat_int_t fd_src;
-	compat_int_t fd_dst;
-	int err, i;
-	uint32_t len;
-
-	err = get_user(fd_src, &pmem32->fd_src);
-	err |= put_user(fd_src, &pmem->fd_src);
-
-	for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-		err |= get_user(offset, &pmem32->src[i].offset);
-		err |= put_user(offset, &pmem->src[i].offset);
-		err |= get_user(len, &pmem32->src[i].len);
-		err |= put_user(len, &pmem->src[i].len);
-	}
-
-	err |= get_user(fd_dst, &pmem32->fd_dst);
-	err |= put_user(fd_dst, &pmem->fd_dst);
-
-	for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-		err |= get_user(offset, &pmem32->dst[i].offset);
-		err |= put_user(offset, &pmem->dst[i].offset);
-		err |= get_user(len, &pmem32->dst[i].len);
-		err |= put_user(len, &pmem->dst[i].len);
-	}
-
-	return err;
-}
-
-static int compat_put_qcedev_pmem_info(
-		struct compat_qcedev_pmem_info __user *pmem32,
-		struct qcedev_pmem_info __user *pmem)
-{
-	compat_ulong_t offset;
-	compat_int_t fd_src;
-	compat_int_t fd_dst;
-	int err, i;
-	uint32_t len;
-
-	err = get_user(fd_src, &pmem->fd_src);
-	err |= put_user(fd_src, &pmem32->fd_src);
-
-	for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-		err |= get_user(offset, &pmem->src[i].offset);
-		err |= put_user(offset, &pmem32->src[i].offset);
-		err |= get_user(len, &pmem->src[i].len);
-		err |= put_user(len, &pmem32->src[i].len);
-	}
-
-	err |= get_user(fd_dst, &pmem->fd_dst);
-	err |= put_user(fd_dst, &pmem32->fd_dst);
-
-	for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-		err |= get_user(offset, &pmem->dst[i].offset);
-		err |= put_user(offset, &pmem32->dst[i].offset);
-		err |= get_user(len, &pmem->dst[i].len);
-		err |= put_user(len, &pmem32->dst[i].len);
-	}
-
-	return err;
-}
-
-static int compat_get_qcedev_vbuf_info(
-		struct compat_qcedev_vbuf_info __user *vbuf32,
-		struct qcedev_vbuf_info __user *vbuf)
-{
-	compat_uptr_t vaddr;
-	int err = 0, i;
-	uint32_t len;
-
-	for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-		err |= get_user(vaddr, &vbuf32->src[i].vaddr);
-		err |= put_user(vaddr,
-			(compat_uptr_t __user *)&vbuf->src[i].vaddr);
-		err |= get_user(len, &vbuf32->src[i].len);
-		err |= put_user(len, &vbuf->src[i].len);
-	}
-
-	for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-		err |= get_user(vaddr, &vbuf32->dst[i].vaddr);
-		err |= put_user(vaddr,
-			(compat_uptr_t __user *)&vbuf->dst[i].vaddr);
-		err |= get_user(len, &vbuf32->dst[i].len);
-		err |= put_user(len, &vbuf->dst[i].len);
-	}
-	return err;
-}
-
-static int compat_put_qcedev_vbuf_info(
-		struct compat_qcedev_vbuf_info __user *vbuf32,
-		struct qcedev_vbuf_info __user *vbuf)
-{
-	compat_uptr_t vaddr;
-	int err = 0, i;
-	uint32_t len;
-
-	for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-		err |= get_user(vaddr,
-				(compat_uptr_t __user *)&vbuf->src[i].vaddr);
-		err |= put_user(vaddr, &vbuf32->src[i].vaddr);
-		err |= get_user(len, &vbuf->src[i].len);
-		err |= put_user(len, &vbuf32->src[i].len);
-	}
-
-	for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-		err |= get_user(vaddr,
-				(compat_uptr_t __user *)&vbuf->dst[i].vaddr);
-		err |= put_user(vaddr, &vbuf32->dst[i].vaddr);
-		err |= get_user(len, &vbuf->dst[i].len);
-		err |= put_user(len, &vbuf32->dst[i].len);
-	}
-	return err;
-}
-
-static int compat_get_qcedev_cipher_op_req(
-		struct compat_qcedev_cipher_op_req __user *data32,
-		struct qcedev_cipher_op_req __user *data)
-{
-	enum qcedev_cipher_mode_enum mode;
-	enum qcedev_cipher_alg_enum alg;
-	compat_ulong_t byteoffset;
-	enum qcedev_oper_enum op;
-	compat_ulong_t data_len;
-	compat_ulong_t encklen;
-	compat_ulong_t entries;
-	compat_ulong_t ivlen;
-	uint8_t in_place_op;
-	int err, i;
-	uint8_t use_pmem;
-	uint8_t enckey;
-	uint8_t iv;
-
-	err = get_user(use_pmem, &data32->use_pmem);
-	err |= put_user(use_pmem, &data->use_pmem);
-
-	if (use_pmem)
-		err |= compat_get_qcedev_pmem_info(&data32->pmem, &data->pmem);
-	else
-		err |= compat_get_qcedev_vbuf_info(&data32->vbuf, &data->vbuf);
-
-	err |= get_user(entries, &data32->entries);
-	err |= put_user(entries, &data->entries);
-	err |= get_user(data_len, &data32->data_len);
-	err |= put_user(data_len, &data->data_len);
-	err |= get_user(in_place_op, &data32->in_place_op);
-	err |= put_user(in_place_op, &data->in_place_op);
-
-	for (i = 0; i < QCEDEV_MAX_KEY_SIZE; i++) {
-		err |= get_user(enckey, &(data32->enckey[i]));
-		err |= put_user(enckey, &(data->enckey[i]));
-	}
-
-	err |= get_user(encklen, &data32->encklen);
-	err |= put_user(encklen, &data->encklen);
-
-	for (i = 0; i < QCEDEV_MAX_IV_SIZE; i++) {
-		err |= get_user(iv, &(data32->iv[i]));
-		err |= put_user(iv, &(data->iv[i]));
-	}
-
-	err |= get_user(ivlen, &data32->ivlen);
-	err |= put_user(ivlen, &data->ivlen);
-	err |= get_user(byteoffset, &data32->byteoffset);
-	err |= put_user(byteoffset, &data->byteoffset);
-	err |= get_user(alg, &data32->alg);
-	err |= put_user(alg, &data->alg);
-	err |= get_user(mode, &data32->mode);
-	err |= put_user(mode, &data->mode);
-	err |= get_user(op, &data32->op);
-	err |= put_user(op, &data->op);
-
-	return err;
-}
-
-static int compat_put_qcedev_cipher_op_req(
-		struct compat_qcedev_cipher_op_req __user *data32,
-		struct qcedev_cipher_op_req __user *data)
-{
-	enum qcedev_cipher_mode_enum mode;
-	enum qcedev_cipher_alg_enum alg;
-	compat_ulong_t byteoffset;
-	enum qcedev_oper_enum op;
-	compat_ulong_t data_len;
-	compat_ulong_t encklen;
-	compat_ulong_t entries;
-	compat_ulong_t ivlen;
-	uint8_t in_place_op;
-	int err, i;
-	uint8_t use_pmem;
-	uint8_t enckey;
-	uint8_t iv;
-
-	err = get_user(use_pmem, &data->use_pmem);
-	err |= put_user(use_pmem, &data32->use_pmem);
-
-	if (use_pmem)
-		err |= compat_put_qcedev_pmem_info(&data32->pmem, &data->pmem);
-	else
-		err |= compat_put_qcedev_vbuf_info(&data32->vbuf, &data->vbuf);
-
-	err |= get_user(entries, &data->entries);
-	err |= put_user(entries, &data32->entries);
-	err |= get_user(data_len, &data->data_len);
-	err |= put_user(data_len, &data32->data_len);
-	err |= get_user(in_place_op, &data->in_place_op);
-	err |= put_user(in_place_op, &data32->in_place_op);
-
-	for (i = 0; i < QCEDEV_MAX_KEY_SIZE; i++) {
-		err |= get_user(enckey, &(data->enckey[i]));
-		err |= put_user(enckey, &(data32->enckey[i]));
-	}
-
-	err |= get_user(encklen, &data->encklen);
-	err |= put_user(encklen, &data32->encklen);
-
-	for (i = 0; i < QCEDEV_MAX_IV_SIZE; i++) {
-		err |= get_user(iv, &(data->iv[i]));
-		err |= put_user(iv, &(data32->iv[i]));
-	}
-
-	err |= get_user(ivlen, &data->ivlen);
-	err |= put_user(ivlen, &data32->ivlen);
-	err |= get_user(byteoffset, &data->byteoffset);
-	err |= put_user(byteoffset, &data32->byteoffset);
-	err |= get_user(alg, &data->alg);
-	err |= put_user(alg, &data32->alg);
-	err |= get_user(mode, &data->mode);
-	err |= put_user(mode, &data32->mode);
-	err |= get_user(op, &data->op);
-	err |= put_user(op, &data32->op);
-
-	return err;
-}
-
-static int compat_xfer_qcedev_map_buf_req(
-			struct compat_qcedev_map_buf_req __user *data32,
-			struct qcedev_map_buf_req __user *data, bool to_get)
-{
-	int rc = 0, i, fd = -1;
-	uint32_t fd_size, fd_offset, num_fds, buf_vaddr;
-
-	if (to_get) {
-		/* copy from compat struct */
-		for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-			rc |= get_user(fd, &data32->fd[i]);
-			rc |= put_user(fd, &data->fd[i]);
-			rc |= get_user(fd_size, &data32->fd_size[i]);
-			rc |= put_user(fd_size, &data->fd_size[i]);
-			rc |= get_user(fd_offset, &data32->fd_offset[i]);
-			rc |= put_user(fd_offset, &data->fd_offset[i]);
-			rc |= get_user(buf_vaddr, &data32->buf_vaddr[i]);
-			rc |= put_user(buf_vaddr, &data->buf_vaddr[i]);
-		}
-
-		rc |= get_user(num_fds, &data32->num_fds);
-		rc |= put_user(num_fds, &data->num_fds);
-	} else {
-		/* copy to compat struct */
-		for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-			rc |= get_user(fd, &data->fd[i]);
-			rc |= put_user(fd, &data32->fd[i]);
-			rc |= get_user(fd_size, &data->fd_size[i]);
-			rc |= put_user(fd_size, &data32->fd_size[i]);
-			rc |= get_user(fd_offset, &data->fd_offset[i]);
-			rc |= put_user(fd_offset, &data32->fd_offset[i]);
-			rc |= get_user(buf_vaddr, &data->buf_vaddr[i]);
-			rc |= put_user(buf_vaddr, &data32->buf_vaddr[i]);
-		}
-		rc |= get_user(num_fds, &data->num_fds);
-		rc |= put_user(num_fds, &data32->num_fds);
-	}
-
-	return rc;
-}
-
-static int compat_xfer_qcedev_unmap_buf_req(
-			struct compat_qcedev_unmap_buf_req __user *data32,
-			struct qcedev_unmap_buf_req __user *data, bool to_get)
-{
-	int i, rc = 0, fd = -1;
-	uint32_t num_fds;
-
-	if (to_get) {
-		/* copy from compat struct */
-		for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-			rc |= get_user(fd, &data32->fd[i]);
-			rc |= put_user(fd, &data->fd[i]);
-		}
-		rc |= get_user(num_fds, &data32->num_fds);
-		rc |= put_user(num_fds, &data->num_fds);
-	} else {
-		/* copy to compat struct */
-		for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-			rc |= get_user(fd, &data->fd[i]);
-			rc |= put_user(fd, &data32->fd[i]);
-		}
-		rc |= get_user(num_fds, &data->num_fds);
-		rc |= put_user(num_fds, &data32->num_fds);
-	}
-	return rc;
-}
-
-
-static int compat_get_qcedev_sha_op_req(
-		struct compat_qcedev_sha_op_req __user *data32,
-		struct qcedev_sha_op_req __user *data)
-{
-	enum qcedev_sha_alg_enum alg;
-	compat_ulong_t authklen;
-	compat_ulong_t data_len;
-	compat_ulong_t entries;
-	compat_ulong_t diglen;
-	compat_uptr_t authkey;
-	compat_uptr_t vaddr;
-	int err = 0, i;
-	uint8_t digest;
-	uint32_t len;
-
-	for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-		err |= get_user(vaddr, &data32->data[i].vaddr);
-		err |= put_user(vaddr,
-			(compat_uptr_t __user *)&data->data[i].vaddr);
-		err |= get_user(len, &data32->data[i].len);
-		err |= put_user(len, &data->data[i].len);
-	}
-
-	err |= get_user(entries, &data32->entries);
-	err |= put_user(entries, &data->entries);
-	err |= get_user(data_len, &data32->data_len);
-	err |= put_user(data_len, &data->data_len);
-
-	for (i = 0; i < QCEDEV_MAX_SHA_DIGEST; i++) {
-		err |= get_user(digest, &(data32->digest[i]));
-		err |= put_user(digest, &(data->digest[i]));
-	}
-
-	err |= get_user(diglen, &data32->diglen);
-	err |= put_user(diglen, &data->diglen);
-	err |= get_user(authkey, &data32->authkey);
-	err |= put_user(authkey, (compat_uptr_t __user *)&data->authkey);
-	err |= get_user(authklen, &data32->authklen);
-	err |= put_user(authklen, &data->authklen);
-	err |= get_user(alg, &data32->alg);
-	err |= put_user(alg, &data->alg);
-
-	return err;
-}
-
-static int compat_put_qcedev_sha_op_req(
-		struct compat_qcedev_sha_op_req __user *data32,
-		struct qcedev_sha_op_req __user *data)
-{
-	enum qcedev_sha_alg_enum alg;
-	compat_ulong_t authklen;
-	compat_ulong_t data_len;
-	compat_ulong_t entries;
-	compat_ulong_t diglen;
-	compat_uptr_t authkey;
-	compat_uptr_t vaddr;
-	int err = 0, i;
-	uint8_t digest;
-	uint32_t len;
-
-	for (i = 0; i < QCEDEV_MAX_BUFFERS; i++) {
-		err |= get_user(vaddr,
-			(compat_uptr_t __user *)&data->data[i].vaddr);
-		err |= put_user(vaddr, &data32->data[i].vaddr);
-		err |= get_user(len, &data->data[i].len);
-		err |= put_user(len, &data32->data[i].len);
-	}
-
-	err |= get_user(entries, &data->entries);
-	err |= put_user(entries, &data32->entries);
-	err |= get_user(data_len, &data->data_len);
-	err |= put_user(data_len, &data32->data_len);
-
-	for (i = 0; i < QCEDEV_MAX_SHA_DIGEST; i++) {
-		err |= get_user(digest, &(data->digest[i]));
-		err |= put_user(digest, &(data32->digest[i]));
-	}
-
-	err |= get_user(diglen, &data->diglen);
-	err |= put_user(diglen, &data32->diglen);
-	err |= get_user(authkey,
-			(compat_uptr_t __user *)&data->authkey);
-	err |= put_user(authkey, &data32->authkey);
-	err |= get_user(authklen, &data->authklen);
-	err |= put_user(authklen, &data32->authklen);
-	err |= get_user(alg, &data->alg);
-	err |= put_user(alg, &data32->alg);
-
-	return err;
-}
-
-static unsigned int convert_cmd(unsigned int cmd)
-{
-	switch (cmd) {
-	case COMPAT_QCEDEV_IOCTL_ENC_REQ:
-		return QCEDEV_IOCTL_ENC_REQ;
-	case COMPAT_QCEDEV_IOCTL_DEC_REQ:
-		return QCEDEV_IOCTL_DEC_REQ;
-	case COMPAT_QCEDEV_IOCTL_SHA_INIT_REQ:
-		return QCEDEV_IOCTL_SHA_INIT_REQ;
-	case COMPAT_QCEDEV_IOCTL_SHA_UPDATE_REQ:
-		return QCEDEV_IOCTL_SHA_UPDATE_REQ;
-	case COMPAT_QCEDEV_IOCTL_SHA_FINAL_REQ:
-		return QCEDEV_IOCTL_SHA_FINAL_REQ;
-	case COMPAT_QCEDEV_IOCTL_GET_SHA_REQ:
-		return QCEDEV_IOCTL_GET_SHA_REQ;
-	case COMPAT_QCEDEV_IOCTL_GET_CMAC_REQ:
-		return QCEDEV_IOCTL_GET_CMAC_REQ;
-	case COMPAT_QCEDEV_IOCTL_MAP_BUF_REQ:
-		return QCEDEV_IOCTL_MAP_BUF_REQ;
-	case COMPAT_QCEDEV_IOCTL_UNMAP_BUF_REQ:
-		return QCEDEV_IOCTL_UNMAP_BUF_REQ;
-	default:
-		return cmd;
-	}
-
-}
-
-long compat_qcedev_ioctl(struct file *file,
-		unsigned int cmd, unsigned long arg)
-{
-	long ret;
-
-	switch (cmd) {
-	case COMPAT_QCEDEV_IOCTL_ENC_REQ:
-	case COMPAT_QCEDEV_IOCTL_DEC_REQ: {
-		struct compat_qcedev_cipher_op_req __user *data32;
-		struct qcedev_cipher_op_req __user *data;
-		int err;
-
-		data32 = compat_ptr(arg);
-		data = compat_alloc_user_space(sizeof(*data));
-		if (!data)
-			return -EFAULT;
-
-		err = compat_get_qcedev_cipher_op_req(data32, data);
-		if (err)
-			return err;
-
-		ret = qcedev_ioctl(file, convert_cmd(cmd), (unsigned long)data);
-		err = compat_put_qcedev_cipher_op_req(data32, data);
-		return ret ? ret : err;
-	}
-	case COMPAT_QCEDEV_IOCTL_SHA_INIT_REQ:
-	case COMPAT_QCEDEV_IOCTL_SHA_UPDATE_REQ:
-	case COMPAT_QCEDEV_IOCTL_SHA_FINAL_REQ:
-	case COMPAT_QCEDEV_IOCTL_GET_CMAC_REQ:
-	case COMPAT_QCEDEV_IOCTL_GET_SHA_REQ: {
-		struct compat_qcedev_sha_op_req __user *data32;
-		struct qcedev_sha_op_req __user *data;
-		int err;
-
-		data32 = compat_ptr(arg);
-		data = compat_alloc_user_space(sizeof(*data));
-		if (!data)
-			return -EFAULT;
-
-		err = compat_get_qcedev_sha_op_req(data32, data);
-		if (err)
-			return err;
-
-		ret = qcedev_ioctl(file, convert_cmd(cmd), (unsigned long)data);
-		err = compat_put_qcedev_sha_op_req(data32, data);
-		return ret ? ret : err;
-	}
-	case COMPAT_QCEDEV_IOCTL_MAP_BUF_REQ: {
-		struct compat_qcedev_map_buf_req __user *data32;
-		struct qcedev_map_buf_req __user *data;
-		int err;
-
-		data32 = compat_ptr(arg);
-		data = compat_alloc_user_space(sizeof(*data));
-		if (!data)
-			return -EINVAL;
-
-		err = compat_xfer_qcedev_map_buf_req(data32, data, true);
-		if (err)
-			return err;
-
-		ret = qcedev_ioctl(file, convert_cmd(cmd), (unsigned long)data);
-		err = compat_xfer_qcedev_map_buf_req(data32, data, false);
-		return ret ? ret : err;
-
-		break;
-	}
-	case COMPAT_QCEDEV_IOCTL_UNMAP_BUF_REQ: {
-		struct compat_qcedev_unmap_buf_req __user *data32;
-		struct qcedev_unmap_buf_req __user *data;
-		int err;
-
-		data32 = compat_ptr(arg);
-		data = compat_alloc_user_space(sizeof(*data));
-		if (!data)
-			return -EINVAL;
-
-		err = compat_xfer_qcedev_unmap_buf_req(data32, data, true);
-		if (err)
-			return err;
-
-		ret = qcedev_ioctl(file, convert_cmd(cmd), (unsigned long)data);
-		err = compat_xfer_qcedev_unmap_buf_req(data32, data, false);
-		return ret ? ret : err;
-
-		break;
-	}
-	default:
-		return -ENOIOCTLCMD;
-	}
-	return 0;
-}

crypto-qti/qcedev.c

@@ -26,7 +26,6 @@
 #include "linux/qcedev.h"
 #include <linux/interconnect.h>
 #include <linux/delay.h>
-#include "linux/compat_qcedev.h"
 
 #include <crypto/hash.h>
 #include "qcedevi.h"
@@ -34,8 +33,6 @@
 #include "qcedev_smmu.h"
 #include "qcom_crypto_device.h"
 
-#include <linux/compat.h>
-
 #define CACHE_LINE_SIZE 64
 #define CE_SHA_BLOCK_SIZE SHA256_BLOCK_SIZE
 #define MAX_CEHW_REQ_TRANSFER_SIZE (128*32*1024)
@@ -236,9 +233,6 @@ static int start_sha_req(struct qcedev_control *podev,
 static const struct file_operations qcedev_fops = {
 	.owner = THIS_MODULE,
 	.unlocked_ioctl = qcedev_ioctl,
-#ifdef CONFIG_COMPAT
-	.compat_ioctl = compat_qcedev_ioctl,
-#endif
 	.open = qcedev_open,
 	.release = qcedev_release,
 };

include/uapi/linux/compat_qcedev.h

@@ -1,201 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
-/*
- * Copyright (c) 2014,2017-2020, The Linux Foundation. All rights reserved.
- * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
- */
-
-#ifndef _UAPI_COMPAT_QCEDEV__H
-#define _UAPI_COMPAT_QCEDEV__H
-
-#include <linux/types.h>
-#include <linux/ioctl.h>
-
-#include <linux/compat.h>
-
-/**
- * struct compat_buf_info - Buffer information
- * @offset:			Offset from the base address of the buffer
- *				(Used when buffer is allocated using PMEM)
- * @vaddr:			Virtual buffer address pointer
- * @len:				Size of the buffer
- */
-struct compat_buf_info {
-	union {
-		compat_ulong_t	offset;
-		compat_uptr_t	vaddr;
-	};
-	compat_ulong_t	len;
-};
-
-/**
- * struct compat_qcedev_vbuf_info - Source and destination Buffer information
- * @src:				Array of buf_info for input/source
- * @dst:				Array of buf_info for output/destination
- */
-struct compat_qcedev_vbuf_info {
-	struct compat_buf_info	src[QCEDEV_MAX_BUFFERS];
-	struct compat_buf_info	dst[QCEDEV_MAX_BUFFERS];
-};
-
-/**
- * struct compat_qcedev_pmem_info - Stores PMEM buffer information
- * @fd_src:			Handle to /dev/adsp_pmem used to allocate
- *				memory for input/src buffer
- * @src:				Array of buf_info for input/source
- * @fd_dst:			Handle to /dev/adsp_pmem used to allocate
- *				memory for output/dst buffer
- * @dst:				Array of buf_info for output/destination
- * @pmem_src_offset:		The offset from input/src buffer
- *				(allocated by PMEM)
- */
-struct compat_qcedev_pmem_info {
-	compat_int_t		fd_src;
-	struct compat_buf_info	src[QCEDEV_MAX_BUFFERS];
-	compat_int_t		fd_dst;
-	struct compat_buf_info	dst[QCEDEV_MAX_BUFFERS];
-};
-
-/**
- * struct compat_qcedev_cipher_op_req - Holds the ciphering request information
- * @use_pmem (IN):	Flag to indicate if buffer source is PMEM
- *			QCEDEV_USE_PMEM/QCEDEV_NO_PMEM
- * @pmem (IN):		Stores PMEM buffer information.
- *			Refer struct qcedev_pmem_info
- * @vbuf (IN/OUT):	Stores Source and destination Buffer information
- *			Refer to struct qcedev_vbuf_info
- * @data_len (IN):	Total Length of input/src and output/dst in bytes
- * @in_place_op (IN):	Indicates whether the operation is inplace where
- *			source == destination
- *			When using PMEM allocated memory, must set this to 1
- * @enckey (IN):		128 bits of confidentiality key
- *			enckey[0] bit 127-120, enckey[1] bit 119-112,..
- *			enckey[15] bit 7-0
- * @encklen (IN):	Length of the encryption key(set to 128  bits/16
- *			bytes in the driver)
- * @iv (IN/OUT):		Initialization vector data
- *			This is updated by the driver, incremented by
- *			number of blocks encrypted/decrypted.
- * @ivlen (IN):		Length of the IV
- * @byteoffset (IN):	Offset in the Cipher BLOCK (applicable and to be set
- *			for AES-128 CTR mode only)
- * @alg (IN):		Type of ciphering algorithm: AES/DES/3DES
- * @mode (IN):		Mode use when using AES algorithm: ECB/CBC/CTR
- *			Applicable when using AES algorithm only
- * @op (IN):		Type of operation: QCEDEV_OPER_DEC/QCEDEV_OPER_ENC or
- *			QCEDEV_OPER_ENC_NO_KEY/QCEDEV_OPER_DEC_NO_KEY
- *
- * If use_pmem is set to 0, the driver assumes that memory was not allocated
- * via PMEM, and kernel will need to allocate memory and copy data from user
- * space buffer (data_src/dta_dst) and process accordingly and copy data back
- * to the user space buffer
- *
- * If use_pmem is set to 1, the driver assumes that memory was allocated via
- * PMEM.
- * The kernel driver will use the fd_src to determine the kernel virtual address
- * base that maps to the user space virtual address base for the  buffer
- * allocated in user space.
- * The final input/src and output/dst buffer pointer will be determined
- * by adding the offsets to the kernel virtual addr.
- *
- * If use of hardware key is supported in the target, user can configure the
- * key parameters (encklen, enckey) to use the hardware key.
- * In order to use the hardware key, set encklen to 0 and set the enckey
- * data array to 0.
- */
-struct compat_qcedev_cipher_op_req {
-	uint8_t					use_pmem;
-	union {
-		struct compat_qcedev_pmem_info	pmem;
-		struct compat_qcedev_vbuf_info	vbuf;
-	};
-	compat_ulong_t				entries;
-	compat_ulong_t				data_len;
-	uint8_t					in_place_op;
-	uint8_t					enckey[QCEDEV_MAX_KEY_SIZE];
-	compat_ulong_t				encklen;
-	uint8_t					iv[QCEDEV_MAX_IV_SIZE];
-	compat_ulong_t				ivlen;
-	compat_ulong_t				byteoffset;
-	enum qcedev_cipher_alg_enum		alg;
-	enum qcedev_cipher_mode_enum		mode;
-	enum qcedev_oper_enum			op;
-};
-
-/**
- * struct qcedev_sha_op_req - Holds the hashing request information
- * @data (IN):			Array of pointers to the data to be hashed
- * @entries (IN):		Number of buf_info entries in the data array
- * @data_len (IN):		Length of data to be hashed
- * @digest (IN/OUT):		Returns the hashed data information
- * @diglen (OUT):		Size of the hashed/digest data
- * @authkey (IN):		Pointer to authentication key for HMAC
- * @authklen (IN):		Size of the authentication key
- * @alg (IN):			Secure Hash algorithm
- */
-struct compat_qcedev_sha_op_req {
-	struct compat_buf_info			data[QCEDEV_MAX_BUFFERS];
-	compat_ulong_t				entries;
-	compat_ulong_t				data_len;
-	uint8_t					digest[QCEDEV_MAX_SHA_DIGEST];
-	compat_ulong_t				diglen;
-	compat_uptr_t				authkey;
-	compat_ulong_t				authklen;
-	enum qcedev_sha_alg_enum		alg;
-};
-
-/**
- * struct compact_qcedev_map_buf_req - Holds the mapping request information
- * fd (IN):            Array of fds.
- * num_fds (IN):       Number of fds in fd[].
- * fd_size (IN):       Array of sizes corresponding to each fd in fd[].
- * fd_offset (IN):     Array of offset corresponding to each fd in fd[].
- * vaddr (OUT):        Array of mapped virtual address corresponding to
- *                     each fd in fd[].
- */
-struct compat_qcedev_map_buf_req {
-	compat_long_t	fd[QCEDEV_MAX_BUFFERS];
-	compat_ulong_t	num_fds;
-	compat_ulong_t	fd_size[QCEDEV_MAX_BUFFERS];
-	compat_ulong_t	fd_offset[QCEDEV_MAX_BUFFERS];
-	compat_u64      buf_vaddr[QCEDEV_MAX_BUFFERS];
-};
-
-/**
- * struct compat_qcedev_unmap_buf_req - Holds the hashing request information
- * fd (IN):	       Array of fds to unmap
- * num_fds (IN):       Number of fds in fd[].
- */
-struct compat_qcedev_unmap_buf_req {
-	compat_long_t	fd[QCEDEV_MAX_BUFFERS];
-	compat_ulong_t	num_fds;
-};
-
-struct file;
-long qcedev_ioctl(struct file *file,
-			unsigned int cmd, unsigned long arg);
-long compat_qcedev_ioctl(struct file *file,
-			unsigned int cmd, unsigned long arg);
-
-#define COMPAT_QCEDEV_IOCTL_ENC_REQ		\
-	_IOWR(QCEDEV_IOC_MAGIC, 1, struct compat_qcedev_cipher_op_req)
-#define COMPAT_QCEDEV_IOCTL_DEC_REQ		\
-	_IOWR(QCEDEV_IOC_MAGIC, 2, struct compat_qcedev_cipher_op_req)
-#define COMPAT_QCEDEV_IOCTL_SHA_INIT_REQ	\
-	_IOWR(QCEDEV_IOC_MAGIC, 3, struct compat_qcedev_sha_op_req)
-#define COMPAT_QCEDEV_IOCTL_SHA_UPDATE_REQ	\
-	_IOWR(QCEDEV_IOC_MAGIC, 4, struct compat_qcedev_sha_op_req)
-#define COMPAT_QCEDEV_IOCTL_SHA_FINAL_REQ	\
-	_IOWR(QCEDEV_IOC_MAGIC, 5, struct compat_qcedev_sha_op_req)
-#define COMPAT_QCEDEV_IOCTL_GET_SHA_REQ	\
-	_IOWR(QCEDEV_IOC_MAGIC, 6, struct compat_qcedev_sha_op_req)
-#define COMPAT_QCEDEV_IOCTL_LOCK_CE	\
-	_IO(QCEDEV_IOC_MAGIC, 7)
-#define COMPAT_QCEDEV_IOCTL_UNLOCK_CE	\
-	_IO(QCEDEV_IOC_MAGIC, 8)
-#define COMPAT_QCEDEV_IOCTL_GET_CMAC_REQ	\
-	_IOWR(QCEDEV_IOC_MAGIC, 9, struct compat_qcedev_sha_op_req)
-#define COMPAT_QCEDEV_IOCTL_MAP_BUF_REQ	\
-	_IOWR(QCEDEV_IOC_MAGIC, 10, struct compat_qcedev_map_buf_req)
-#define COMPAT_QCEDEV_IOCTL_UNMAP_BUF_REQ \
-	_IOWR(QCEDEV_IOC_MAGIC, 11, struct compat_qcedev_unmap_buf_req)
-#endif /* _UAPI_COMPAT_QCEDEV__H */

include/uapi/linux/qcedev.h

@@ -358,6 +358,9 @@ struct  qcedev_unmap_buf_req {
 
 struct file;
 
+long qcedev_ioctl(struct file *file,
+			unsigned int cmd, unsigned long arg);
+
 #define QCEDEV_IOC_MAGIC	0x87
 
 #define QCEDEV_IOCTL_ENC_REQ		\

securemsm_modules.bzl

@@ -124,8 +124,7 @@ register_securemsm_module(
     path = QCEDEV_PATH,
     default_srcs = [
                 "qcedev.c",
-                "qcedev_smmu.c",
-                "compat_qcedev.c"],
+                "qcedev_smmu.c"],
     deps = [":qcedev_local_headers",
             "%b_qce50_dlkm"],
 )