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Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
-rw-r--r--drivers/scsi/ufs/ufshcd.h105
1 files changed, 61 insertions, 44 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index bf97d616e597..b2ef18f1b746 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -1,37 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Universal Flash Storage Host controller driver
- *
- * This code is based on drivers/scsi/ufs/ufshcd.h
* Copyright (C) 2011-2013 Samsung India Software Operations
* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
*
* Authors:
* Santosh Yaraganavi <santosh.sy@samsung.com>
* Vinayak Holikatti <h.vinayak@samsung.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * See the COPYING file in the top-level directory or visit
- * <http://www.gnu.org/licenses/gpl-2.0.html>
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * This program is provided "AS IS" and "WITH ALL FAULTS" and
- * without warranty of any kind. You are solely responsible for
- * determining the appropriateness of using and distributing
- * the program and assume all risks associated with your exercise
- * of rights with respect to the program, including but not limited
- * to infringement of third party rights, the risks and costs of
- * program errors, damage to or loss of data, programs or equipment,
- * and unavailability or interruption of operations. Under no
- * circumstances will the contributor of this Program be liable for
- * any damages of any kind arising from your use or distribution of
- * this program.
*/
#ifndef _UFSHCD_H
@@ -57,6 +32,7 @@
#include <linux/regulator/consumer.h>
#include <linux/bitfield.h>
#include <linux/devfreq.h>
+#include <linux/keyslot-manager.h>
#include "unipro.h"
#include <asm/irq.h>
@@ -88,8 +64,6 @@ enum dev_cmd_type {
* @argument1: UIC command argument 1
* @argument2: UIC command argument 2
* @argument3: UIC command argument 3
- * @cmd_active: Indicate if UIC command is outstanding
- * @result: UIC command result
* @done: UIC command completion
*/
struct uic_command {
@@ -97,8 +71,6 @@ struct uic_command {
u32 argument1;
u32 argument2;
u32 argument3;
- int cmd_active;
- int result;
struct completion done;
};
@@ -183,6 +155,8 @@ struct ufs_pm_lvl_states {
* @intr_cmd: Interrupt command (doesn't participate in interrupt aggregation)
* @issue_time_stamp: time stamp for debug purposes
* @compl_time_stamp: time stamp for statistics
+ * @crypto_key_slot: the key slot to use for inline crypto (-1 if none)
+ * @data_unit_num: the data unit number for the first block for inline crypto
* @req_abort_skip: skip request abort task flag
*/
struct ufshcd_lrb {
@@ -207,6 +181,10 @@ struct ufshcd_lrb {
bool intr_cmd;
ktime_t issue_time_stamp;
ktime_t compl_time_stamp;
+#ifdef CONFIG_SCSI_UFS_CRYPTO
+ int crypto_key_slot;
+ u64 data_unit_num;
+#endif
bool req_abort_skip;
};
@@ -236,16 +214,6 @@ struct ufs_dev_cmd {
struct ufs_query query;
};
-struct ufs_desc_size {
- int dev_desc;
- int pwr_desc;
- int geom_desc;
- int interc_desc;
- int unit_desc;
- int conf_desc;
- int hlth_desc;
-};
-
/**
* struct ufs_clk_info - UFS clock related info
* @list: list headed by hba->clk_list_head
@@ -313,6 +281,7 @@ struct ufs_pwr_mode_info {
* @dbg_register_dump: used to dump controller debug information
* @phy_initialization: used to initialize phys
* @device_reset: called to issue a reset pulse on the UFS device
+ * @program_key: program or evict an inline encryption key
*/
struct ufs_hba_variant_ops {
const char *name;
@@ -346,6 +315,8 @@ struct ufs_hba_variant_ops {
void (*config_scaling_param)(struct ufs_hba *hba,
struct devfreq_dev_profile *profile,
void *data);
+ int (*program_key)(struct ufs_hba *hba,
+ const union ufs_crypto_cfg_entry *cfg, int slot);
};
/* clock gating state */
@@ -411,7 +382,7 @@ struct ufs_saved_pwr_info {
struct ufs_clk_scaling {
int active_reqs;
unsigned long tot_busy_t;
- unsigned long window_start_t;
+ ktime_t window_start_t;
ktime_t busy_start_t;
struct device_attribute enable_attr;
struct ufs_saved_pwr_info saved_pwr_info;
@@ -520,6 +491,35 @@ enum ufshcd_quirks {
* ops (get_ufs_hci_version) to get the correct version.
*/
UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION = 1 << 5,
+
+ /*
+ * Clear handling for transfer/task request list is just opposite.
+ */
+ UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR = 1 << 6,
+
+ /*
+ * This quirk needs to be enabled if host controller doesn't allow
+ * that the interrupt aggregation timer and counter are reset by s/w.
+ */
+ UFSHCI_QUIRK_SKIP_RESET_INTR_AGGR = 1 << 7,
+
+ /*
+ * This quirks needs to be enabled if host controller cannot be
+ * enabled via HCE register.
+ */
+ UFSHCI_QUIRK_BROKEN_HCE = 1 << 8,
+
+ /*
+ * This quirk needs to be enabled if the host controller regards
+ * resolution of the values of PRDTO and PRDTL in UTRD as byte.
+ */
+ UFSHCD_QUIRK_PRDT_BYTE_GRAN = 1 << 9,
+
+ /*
+ * This quirk needs to be enabled if the host controller reports
+ * OCS FATAL ERROR with device error through sense data
+ */
+ UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR = 1 << 10,
};
enum ufshcd_caps {
@@ -564,6 +564,12 @@ enum ufshcd_caps {
* provisioned to be used. This would increase the write performance.
*/
UFSHCD_CAP_WB_EN = 1 << 7,
+
+ /*
+ * This capability allows the host controller driver to use the
+ * inline crypto engine, if it is present
+ */
+ UFSHCD_CAP_CRYPTO = 1 << 8,
};
struct ufs_hba_variant_params {
@@ -624,6 +630,10 @@ struct ufs_hba_variant_params {
* @is_urgent_bkops_lvl_checked: keeps track if the urgent bkops level for
* device is known or not.
* @scsi_block_reqs_cnt: reference counting for scsi block requests
+ * @crypto_capabilities: Content of crypto capabilities register (0x100)
+ * @crypto_cap_array: Array of crypto capabilities
+ * @crypto_cfg_register: Start of the crypto cfg array
+ * @ksm: the keyslot manager tied to this hba
*/
struct ufs_hba {
void __iomem *mmio_base;
@@ -738,7 +748,7 @@ struct ufs_hba {
bool is_urgent_bkops_lvl_checked;
struct rw_semaphore clk_scaling_lock;
- struct ufs_desc_size desc_size;
+ unsigned char desc_size[QUERY_DESC_IDN_MAX];
atomic_t scsi_block_reqs_cnt;
struct device bsg_dev;
@@ -746,6 +756,13 @@ struct ufs_hba {
bool wb_buf_flush_enabled;
bool wb_enabled;
struct delayed_work rpm_dev_flush_recheck_work;
+
+#ifdef CONFIG_SCSI_UFS_CRYPTO
+ union ufs_crypto_capabilities crypto_capabilities;
+ union ufs_crypto_cap_entry *crypto_cap_array;
+ u32 crypto_cfg_register;
+ struct blk_keyslot_manager ksm;
+#endif
};
/* Returns true if clocks can be gated. Otherwise false */
@@ -976,8 +993,8 @@ int ufshcd_read_string_desc(struct ufs_hba *hba, u8 desc_index,
int ufshcd_hold(struct ufs_hba *hba, bool async);
void ufshcd_release(struct ufs_hba *hba);
-int ufshcd_map_desc_id_to_length(struct ufs_hba *hba, enum desc_idn desc_id,
- int *desc_length);
+void ufshcd_map_desc_id_to_length(struct ufs_hba *hba, enum desc_idn desc_id,
+ int *desc_length);
u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba);