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authorLinus Torvalds <torvalds@linux-foundation.org>2024-09-18 11:36:30 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2024-09-18 11:36:30 +0300
commit7fced2a78a26630a01f872abe21bb3366acacc82 (patch)
tree6bbcd0e317d3da075d9c010be50253a7110b8faf /include
parent2471d2b3b2b88802a66e9ff97b32387e1e233470 (diff)
parentcd3689b6772fbc1a4513934a5204fd2fa5b4426b (diff)
downloadlinux-7fced2a78a26630a01f872abe21bb3366acacc82.tar.xz
Merge tag 'mmc-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson: "MMC core: - Add documentation for the mmc-test driver - Register the eMMC RPMB partition with the RPMB subsystem - Some various cleanups MMC host: - dw_mmc-rockchip: Add support for the RK3576 variant - renesas_sdhi: Add support for the RZ/V2H(P) variant - sdhci_am654: Add a retry mechanism for tuning - sdhci-atmel: Convert DT bindings to json schema - sdhci-of-dwcmshc: - Add eMMC HW reset support for BlueField-3 SoC - Add support for the RK3576 variant - Add support for the Sophgo SG2042 variant - sdhci-of-ma35d1: Add new driver for the Nuvoton MA35D1 SDHCI Misc/Tee: - Add Replay Protected Memory Block (RPMB) subsystem - Let optee probe RPMB device using RPMB subsystem" * tag 'mmc-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (41 commits) mmc: core: Use dev_err_probe for deferred regulators optee: Fix a NULL vs IS_ERR() check mmc: sdhci_am654: Add prints to tuning algorithm mmc: sdhci_am654: Add retry tuning dt-bindings: mmc: Add support for rk3576 eMMC Documentation: mmc: Add mmc-test doc rpmb: fix error path in rpmb_dev_register() optee: add RPMB dependency mmc: block: add RPMB dependency mmc: core Convert UNSTUFF_BITS macro to inline function dt-bindings: mmc: sdhci-atmel: Convert to json schema mmc: core: Convert simple_stroul to kstroul mmc: core: Calculate size from pointer mmc: cqhci: Make use of cqhci_halted() routine mmc: core: Replace the argument of mmc_sd_switch() with defines mmc: dw_mmc-rockchip: Add support for rk3576 SoCs mmc: dw_mmc-rockchip: Add internal phase support dt-bindings: mmc: Add support for rk3576 dw-mshc mmc: sdhci-of-dwcmshc: Add hw_reset() support for BlueField-3 SoC mmc: core: remove left-over data structure declarations ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/mmc/core.h12
-rw-r--r--include/linux/mmc/host.h27
-rw-r--r--include/linux/rpmb.h123
-rw-r--r--include/linux/tee_core.h12
4 files changed, 137 insertions, 37 deletions
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 2c7928a50907..f0ac2e469b32 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -11,18 +11,6 @@
struct mmc_data;
struct mmc_request;
-enum mmc_blk_status {
- MMC_BLK_SUCCESS = 0,
- MMC_BLK_PARTIAL,
- MMC_BLK_CMD_ERR,
- MMC_BLK_RETRY,
- MMC_BLK_ABORT,
- MMC_BLK_DATA_ERR,
- MMC_BLK_ECC_ERR,
- MMC_BLK_NOMEDIUM,
- MMC_BLK_NEW_REQUEST,
-};
-
struct mmc_command {
u32 opcode;
u32 arg;
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 88c6a76042ee..6a31ed02d3ff 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -264,16 +264,6 @@ struct mmc_cqe_ops {
void (*cqe_recovery_finish)(struct mmc_host *host);
};
-struct mmc_async_req {
- /* active mmc request */
- struct mmc_request *mrq;
- /*
- * Check error status of completed mmc request.
- * Returns 0 if success otherwise non zero.
- */
- enum mmc_blk_status (*err_check)(struct mmc_card *, struct mmc_async_req *);
-};
-
/**
* struct mmc_slot - MMC slot functions
*
@@ -291,20 +281,6 @@ struct mmc_slot {
void *handler_priv;
};
-/**
- * mmc_context_info - synchronization details for mmc context
- * @is_done_rcv wake up reason was done request
- * @is_new_req wake up reason was new request
- * @is_waiting_last_req mmc context waiting for single running request
- * @wait wait queue
- */
-struct mmc_context_info {
- bool is_done_rcv;
- bool is_new_req;
- bool is_waiting_last_req;
- wait_queue_head_t wait;
-};
-
struct regulator;
struct mmc_pwrseq;
@@ -672,7 +648,8 @@ static inline void mmc_debugfs_err_stats_inc(struct mmc_host *host,
host->err_stats[stat] += 1;
}
-int mmc_sd_switch(struct mmc_card *card, int mode, int group, u8 value, u8 *resp);
+int mmc_sd_switch(struct mmc_card *card, bool mode, int group,
+ u8 value, u8 *resp);
int mmc_send_status(struct mmc_card *card, u32 *status);
int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error);
int mmc_send_abort_tuning(struct mmc_host *host, u32 opcode);
diff --git a/include/linux/rpmb.h b/include/linux/rpmb.h
new file mode 100644
index 000000000000..cccda73eea4d
--- /dev/null
+++ b/include/linux/rpmb.h
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2015-2019 Intel Corp. All rights reserved
+ * Copyright (C) 2021-2022 Linaro Ltd
+ */
+#ifndef __RPMB_H__
+#define __RPMB_H__
+
+#include <linux/device.h>
+#include <linux/types.h>
+
+/**
+ * enum rpmb_type - type of underlying storage technology
+ *
+ * @RPMB_TYPE_EMMC : emmc (JESD84-B50.1)
+ * @RPMB_TYPE_UFS : UFS (JESD220)
+ * @RPMB_TYPE_NVME : NVM Express
+ */
+enum rpmb_type {
+ RPMB_TYPE_EMMC,
+ RPMB_TYPE_UFS,
+ RPMB_TYPE_NVME,
+};
+
+/**
+ * struct rpmb_descr - RPMB description provided by the underlying block device
+ *
+ * @type : block device type
+ * @route_frames : routes frames to and from the RPMB device
+ * @dev_id : unique device identifier read from the hardware
+ * @dev_id_len : length of unique device identifier
+ * @reliable_wr_count: number of sectors that can be written in one access
+ * @capacity : capacity of the device in units of 128K
+ *
+ * @dev_id is intended to be used as input when deriving the authenticaion key.
+ */
+struct rpmb_descr {
+ enum rpmb_type type;
+ int (*route_frames)(struct device *dev, u8 *req, unsigned int req_len,
+ u8 *resp, unsigned int resp_len);
+ u8 *dev_id;
+ size_t dev_id_len;
+ u16 reliable_wr_count;
+ u16 capacity;
+};
+
+/**
+ * struct rpmb_dev - device which can support RPMB partition
+ *
+ * @dev : device
+ * @id : device_id
+ * @list_node : linked list node
+ * @descr : RPMB description
+ */
+struct rpmb_dev {
+ struct device dev;
+ int id;
+ struct list_head list_node;
+ struct rpmb_descr descr;
+};
+
+#define to_rpmb_dev(x) container_of((x), struct rpmb_dev, dev)
+
+#if IS_ENABLED(CONFIG_RPMB)
+struct rpmb_dev *rpmb_dev_get(struct rpmb_dev *rdev);
+void rpmb_dev_put(struct rpmb_dev *rdev);
+struct rpmb_dev *rpmb_dev_find_device(const void *data,
+ const struct rpmb_dev *start,
+ int (*match)(struct device *dev,
+ const void *data));
+int rpmb_interface_register(struct class_interface *intf);
+void rpmb_interface_unregister(struct class_interface *intf);
+struct rpmb_dev *rpmb_dev_register(struct device *dev,
+ struct rpmb_descr *descr);
+int rpmb_dev_unregister(struct rpmb_dev *rdev);
+
+int rpmb_route_frames(struct rpmb_dev *rdev, u8 *req,
+ unsigned int req_len, u8 *resp, unsigned int resp_len);
+
+#else
+static inline struct rpmb_dev *rpmb_dev_get(struct rpmb_dev *rdev)
+{
+ return NULL;
+}
+
+static inline void rpmb_dev_put(struct rpmb_dev *rdev) { }
+
+static inline struct rpmb_dev *
+rpmb_dev_find_device(const void *data, const struct rpmb_dev *start,
+ int (*match)(struct device *dev, const void *data))
+{
+ return NULL;
+}
+
+static inline int rpmb_interface_register(struct class_interface *intf)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline void rpmb_interface_unregister(struct class_interface *intf)
+{
+}
+
+static inline struct rpmb_dev *
+rpmb_dev_register(struct device *dev, struct rpmb_descr *descr)
+{
+ return NULL;
+}
+
+static inline int rpmb_dev_unregister(struct rpmb_dev *dev)
+{
+ return 0;
+}
+
+static inline int rpmb_route_frames(struct rpmb_dev *rdev, u8 *req,
+ unsigned int req_len, u8 *resp,
+ unsigned int resp_len)
+{
+ return -EOPNOTSUPP;
+}
+#endif /* CONFIG_RPMB */
+
+#endif /* __RPMB_H__ */
diff --git a/include/linux/tee_core.h b/include/linux/tee_core.h
index efd16ed52315..a38494d6b5f4 100644
--- a/include/linux/tee_core.h
+++ b/include/linux/tee_core.h
@@ -155,6 +155,18 @@ int tee_device_register(struct tee_device *teedev);
void tee_device_unregister(struct tee_device *teedev);
/**
+ * tee_device_set_dev_groups() - Set device attribute groups
+ * @teedev: Device to register
+ * @dev_groups: Attribute groups
+ *
+ * Assigns the provided @dev_groups to the @teedev to be registered later
+ * with tee_device_register(). Calling this function is optional, but if
+ * it's called it must be called before tee_device_register().
+ */
+void tee_device_set_dev_groups(struct tee_device *teedev,
+ const struct attribute_group **dev_groups);
+
+/**
* tee_session_calc_client_uuid() - Calculates client UUID for session
* @uuid: Resulting UUID
* @connection_method: Connection method for session (TEE_IOCTL_LOGIN_*)