Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 614 insertions, 0 deletions

diff --git a/drivers/bus/fsl-mc/fsl-mc-private.h b/drivers/bus/fsl-mc/fsl-mc-private.h
new file mode 100644
index 000000000..85ca5fdee
--- /dev/null
+++ b/drivers/bus/fsl-mc/fsl-mc-private.h
@@ -0,0 +1,614 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Freescale Management Complex (MC) bus private declarations
+ *
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ *
+ */
+#ifndef _FSL_MC_PRIVATE_H_
+#define _FSL_MC_PRIVATE_H_
+
+#include <linux/fsl/mc.h>
+#include <linux/mutex.h>
+
+/*
+ * Data Path Management Complex (DPMNG) General API
+ */
+
+/* DPMNG command versioning */
+#define DPMNG_CMD_BASE_VERSION		1
+#define DPMNG_CMD_ID_OFFSET		4
+
+#define DPMNG_CMD(id)	(((id) << DPMNG_CMD_ID_OFFSET) | DPMNG_CMD_BASE_VERSION)
+
+/* DPMNG command IDs */
+#define DPMNG_CMDID_GET_VERSION		DPMNG_CMD(0x831)
+
+struct dpmng_rsp_get_version {
+	__le32 revision;
+	__le32 version_major;
+	__le32 version_minor;
+};
+
+/*
+ * Data Path Management Command Portal (DPMCP) API
+ */
+
+/* Minimal supported DPMCP Version */
+#define DPMCP_MIN_VER_MAJOR		3
+#define DPMCP_MIN_VER_MINOR		0
+
+/* DPMCP command versioning */
+#define DPMCP_CMD_BASE_VERSION		1
+#define DPMCP_CMD_ID_OFFSET		4
+
+#define DPMCP_CMD(id)	(((id) << DPMCP_CMD_ID_OFFSET) | DPMCP_CMD_BASE_VERSION)
+
+/* DPMCP command IDs */
+#define DPMCP_CMDID_CLOSE		DPMCP_CMD(0x800)
+#define DPMCP_CMDID_OPEN		DPMCP_CMD(0x80b)
+#define DPMCP_CMDID_RESET		DPMCP_CMD(0x005)
+
+struct dpmcp_cmd_open {
+	__le32 dpmcp_id;
+};
+
+/*
+ * Initialization and runtime control APIs for DPMCP
+ */
+int dpmcp_open(struct fsl_mc_io *mc_io,
+	       u32 cmd_flags,
+	       int dpmcp_id,
+	       u16 *token);
+
+int dpmcp_close(struct fsl_mc_io *mc_io,
+		u32 cmd_flags,
+		u16 token);
+
+int dpmcp_reset(struct fsl_mc_io *mc_io,
+		u32 cmd_flags,
+		u16 token);
+
+/*
+ * Data Path Resource Container (DPRC) API
+ */
+
+/* Minimal supported DPRC Version */
+#define DPRC_MIN_VER_MAJOR			6
+#define DPRC_MIN_VER_MINOR			0
+
+/* DPRC command versioning */
+#define DPRC_CMD_BASE_VERSION			1
+#define DPRC_CMD_2ND_VERSION			2
+#define DPRC_CMD_3RD_VERSION			3
+#define DPRC_CMD_ID_OFFSET			4
+
+#define DPRC_CMD(id)	(((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_BASE_VERSION)
+#define DPRC_CMD_V2(id)	(((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_2ND_VERSION)
+#define DPRC_CMD_V3(id)	(((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_3RD_VERSION)
+
+/* DPRC command IDs */
+#define DPRC_CMDID_CLOSE                        DPRC_CMD(0x800)
+#define DPRC_CMDID_OPEN                         DPRC_CMD(0x805)
+#define DPRC_CMDID_GET_API_VERSION              DPRC_CMD(0xa05)
+
+#define DPRC_CMDID_GET_ATTR                     DPRC_CMD(0x004)
+#define DPRC_CMDID_RESET_CONT                   DPRC_CMD(0x005)
+#define DPRC_CMDID_RESET_CONT_V2                DPRC_CMD_V2(0x005)
+
+#define DPRC_CMDID_SET_IRQ                      DPRC_CMD(0x010)
+#define DPRC_CMDID_SET_IRQ_ENABLE               DPRC_CMD(0x012)
+#define DPRC_CMDID_SET_IRQ_MASK                 DPRC_CMD(0x014)
+#define DPRC_CMDID_GET_IRQ_STATUS               DPRC_CMD(0x016)
+#define DPRC_CMDID_CLEAR_IRQ_STATUS             DPRC_CMD(0x017)
+
+#define DPRC_CMDID_GET_CONT_ID                  DPRC_CMD(0x830)
+#define DPRC_CMDID_GET_OBJ_COUNT                DPRC_CMD(0x159)
+#define DPRC_CMDID_GET_OBJ                      DPRC_CMD(0x15A)
+#define DPRC_CMDID_GET_OBJ_REG                  DPRC_CMD(0x15E)
+#define DPRC_CMDID_GET_OBJ_REG_V2               DPRC_CMD_V2(0x15E)
+#define DPRC_CMDID_GET_OBJ_REG_V3               DPRC_CMD_V3(0x15E)
+#define DPRC_CMDID_SET_OBJ_IRQ                  DPRC_CMD(0x15F)
+
+#define DPRC_CMDID_GET_CONNECTION               DPRC_CMD(0x16C)
+
+struct dprc_cmd_open {
+	__le32 container_id;
+};
+
+struct dprc_cmd_reset_container {
+	__le32 child_container_id;
+	__le32 options;
+};
+
+struct dprc_cmd_set_irq {
+	/* cmd word 0 */
+	__le32 irq_val;
+	u8 irq_index;
+	u8 pad[3];
+	/* cmd word 1 */
+	__le64 irq_addr;
+	/* cmd word 2 */
+	__le32 irq_num;
+};
+
+#define DPRC_ENABLE		0x1
+
+struct dprc_cmd_set_irq_enable {
+	u8 enable;
+	u8 pad[3];
+	u8 irq_index;
+};
+
+struct dprc_cmd_set_irq_mask {
+	__le32 mask;
+	u8 irq_index;
+};
+
+struct dprc_cmd_get_irq_status {
+	__le32 status;
+	u8 irq_index;
+};
+
+struct dprc_rsp_get_irq_status {
+	__le32 status;
+};
+
+struct dprc_cmd_clear_irq_status {
+	__le32 status;
+	u8 irq_index;
+};
+
+struct dprc_rsp_get_attributes {
+	/* response word 0 */
+	__le32 container_id;
+	__le32 icid;
+	/* response word 1 */
+	__le32 options;
+	__le32 portal_id;
+};
+
+struct dprc_rsp_get_obj_count {
+	__le32 pad;
+	__le32 obj_count;
+};
+
+struct dprc_cmd_get_obj {
+	__le32 obj_index;
+};
+
+struct dprc_rsp_get_obj {
+	/* response word 0 */
+	__le32 pad0;
+	__le32 id;
+	/* response word 1 */
+	__le16 vendor;
+	u8 irq_count;
+	u8 region_count;
+	__le32 state;
+	/* response word 2 */
+	__le16 version_major;
+	__le16 version_minor;
+	__le16 flags;
+	__le16 pad1;
+	/* response word 3-4 */
+	u8 type[16];
+	/* response word 5-6 */
+	u8 label[16];
+};
+
+struct dprc_cmd_get_obj_region {
+	/* cmd word 0 */
+	__le32 obj_id;
+	__le16 pad0;
+	u8 region_index;
+	u8 pad1;
+	/* cmd word 1-2 */
+	__le64 pad2[2];
+	/* cmd word 3-4 */
+	u8 obj_type[16];
+};
+
+struct dprc_rsp_get_obj_region {
+	/* response word 0 */
+	__le64 pad;
+	/* response word 1 */
+	__le64 base_offset;
+	/* response word 2 */
+	__le32 size;
+	__le32 pad2;
+	/* response word 3 */
+	__le32 flags;
+	__le32 pad3;
+	/* response word 4 */
+	/* base_addr may be zero if older MC firmware is used */
+	__le64 base_addr;
+};
+
+struct dprc_cmd_set_obj_irq {
+	/* cmd word 0 */
+	__le32 irq_val;
+	u8 irq_index;
+	u8 pad[3];
+	/* cmd word 1 */
+	__le64 irq_addr;
+	/* cmd word 2 */
+	__le32 irq_num;
+	__le32 obj_id;
+	/* cmd word 3-4 */
+	u8 obj_type[16];
+};
+
+struct dprc_cmd_get_connection {
+	__le32 ep1_id;
+	__le16 ep1_interface_id;
+	u8 pad[2];
+	u8 ep1_type[16];
+};
+
+struct dprc_rsp_get_connection {
+	__le64 pad[3];
+	__le32 ep2_id;
+	__le16 ep2_interface_id;
+	__le16 pad1;
+	u8 ep2_type[16];
+	__le32 state;
+};
+
+/*
+ * DPRC API for managing and querying DPAA resources
+ */
+int dprc_open(struct fsl_mc_io *mc_io,
+	      u32 cmd_flags,
+	      int container_id,
+	      u16 *token);
+
+int dprc_close(struct fsl_mc_io *mc_io,
+	       u32 cmd_flags,
+	       u16 token);
+
+/* DPRC IRQ events */
+
+/* IRQ event - Indicates that a new object added to the container */
+#define DPRC_IRQ_EVENT_OBJ_ADDED		0x00000001
+/* IRQ event - Indicates that an object was removed from the container */
+#define DPRC_IRQ_EVENT_OBJ_REMOVED		0x00000002
+/*
+ * IRQ event - Indicates that one of the descendant containers that opened by
+ * this container is destroyed
+ */
+#define DPRC_IRQ_EVENT_CONTAINER_DESTROYED	0x00000010
+
+/*
+ * IRQ event - Indicates that on one of the container's opened object is
+ * destroyed
+ */
+#define DPRC_IRQ_EVENT_OBJ_DESTROYED		0x00000020
+
+/* Irq event - Indicates that object is created at the container */
+#define DPRC_IRQ_EVENT_OBJ_CREATED		0x00000040
+
+/**
+ * struct dprc_irq_cfg - IRQ configuration
+ * @paddr:	Address that must be written to signal a message-based interrupt
+ * @val:	Value to write into irq_addr address
+ * @irq_num:	A user defined number associated with this IRQ
+ */
+struct dprc_irq_cfg {
+	     phys_addr_t paddr;
+	     u32 val;
+	     int irq_num;
+};
+
+int dprc_set_irq(struct fsl_mc_io *mc_io,
+		 u32 cmd_flags,
+		 u16 token,
+		 u8 irq_index,
+		 struct dprc_irq_cfg *irq_cfg);
+
+int dprc_set_irq_enable(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			u8 irq_index,
+			u8 en);
+
+int dprc_set_irq_mask(struct fsl_mc_io *mc_io,
+		      u32 cmd_flags,
+		      u16 token,
+		      u8 irq_index,
+		      u32 mask);
+
+int dprc_get_irq_status(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			u8 irq_index,
+			u32 *status);
+
+int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
+			  u32 cmd_flags,
+			  u16 token,
+			  u8 irq_index,
+			  u32 status);
+
+/**
+ * struct dprc_attributes - Container attributes
+ * @container_id: Container's ID
+ * @icid: Container's ICID
+ * @portal_id: Container's portal ID
+ * @options: Container's options as set at container's creation
+ */
+struct dprc_attributes {
+	int container_id;
+	u32 icid;
+	int portal_id;
+	u64 options;
+};
+
+int dprc_get_attributes(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			struct dprc_attributes *attributes);
+
+int dprc_get_obj_count(struct fsl_mc_io *mc_io,
+		       u32 cmd_flags,
+		       u16 token,
+		       int *obj_count);
+
+int dprc_get_obj(struct fsl_mc_io *mc_io,
+		 u32 cmd_flags,
+		 u16 token,
+		 int obj_index,
+		 struct fsl_mc_obj_desc *obj_desc);
+
+int dprc_set_obj_irq(struct fsl_mc_io *mc_io,
+		     u32 cmd_flags,
+		     u16 token,
+		     char *obj_type,
+		     int obj_id,
+		     u8 irq_index,
+		     struct dprc_irq_cfg *irq_cfg);
+/**
+ * enum dprc_region_type - Region type
+ * @DPRC_REGION_TYPE_MC_PORTAL: MC portal region
+ * @DPRC_REGION_TYPE_QBMAN_PORTAL: Qbman portal region
+ */
+enum dprc_region_type {
+	DPRC_REGION_TYPE_MC_PORTAL,
+	DPRC_REGION_TYPE_QBMAN_PORTAL,
+	DPRC_REGION_TYPE_QBMAN_MEM_BACKED_PORTAL
+};
+
+/**
+ * struct dprc_region_desc - Mappable region descriptor
+ * @base_offset: Region offset from region's base address.
+ *	For DPMCP and DPRC objects, region base is offset from SoC MC portals
+ *	base address; For DPIO, region base is offset from SoC QMan portals
+ *	base address
+ * @size: Region size (in bytes)
+ * @flags: Region attributes
+ * @type: Portal region type
+ */
+struct dprc_region_desc {
+	u32 base_offset;
+	u32 size;
+	u32 flags;
+	enum dprc_region_type type;
+	u64 base_address;
+};
+
+int dprc_get_obj_region(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			char *obj_type,
+			int obj_id,
+			u8 region_index,
+			struct dprc_region_desc *region_desc);
+
+int dprc_get_api_version(struct fsl_mc_io *mc_io,
+			 u32 cmd_flags,
+			 u16 *major_ver,
+			 u16 *minor_ver);
+
+int dprc_get_container_id(struct fsl_mc_io *mc_io,
+			  u32 cmd_flags,
+			  int *container_id);
+
+/**
+ * struct dprc_endpoint - Endpoint description for link connect/disconnect
+ *			operations
+ * @type:	Endpoint object type: NULL terminated string
+ * @id:		Endpoint object ID
+ * @if_id:	Interface ID; should be set for endpoints with multiple
+ *		interfaces ("dpsw", "dpdmux"); for others, always set to 0
+ */
+struct dprc_endpoint {
+	char type[16];
+	int id;
+	u16 if_id;
+};
+
+int dprc_get_connection(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			const struct dprc_endpoint *endpoint1,
+			struct dprc_endpoint *endpoint2,
+			int *state);
+
+/*
+ * Data Path Buffer Pool (DPBP) API
+ */
+
+/* DPBP Version */
+#define DPBP_VER_MAJOR				3
+#define DPBP_VER_MINOR				2
+
+/* Command versioning */
+#define DPBP_CMD_BASE_VERSION			1
+#define DPBP_CMD_ID_OFFSET			4
+
+#define DPBP_CMD(id)	(((id) << DPBP_CMD_ID_OFFSET) | DPBP_CMD_BASE_VERSION)
+
+/* Command IDs */
+#define DPBP_CMDID_CLOSE		DPBP_CMD(0x800)
+#define DPBP_CMDID_OPEN			DPBP_CMD(0x804)
+
+#define DPBP_CMDID_ENABLE		DPBP_CMD(0x002)
+#define DPBP_CMDID_DISABLE		DPBP_CMD(0x003)
+#define DPBP_CMDID_GET_ATTR		DPBP_CMD(0x004)
+#define DPBP_CMDID_RESET		DPBP_CMD(0x005)
+
+struct dpbp_cmd_open {
+	__le32 dpbp_id;
+};
+
+#define DPBP_ENABLE			0x1
+
+struct dpbp_rsp_get_attributes {
+	/* response word 0 */
+	__le16 pad;
+	__le16 bpid;
+	__le32 id;
+	/* response word 1 */
+	__le16 version_major;
+	__le16 version_minor;
+};
+
+/*
+ * Data Path Concentrator (DPCON) API
+ */
+
+/* DPCON Version */
+#define DPCON_VER_MAJOR				3
+#define DPCON_VER_MINOR				2
+
+/* Command versioning */
+#define DPCON_CMD_BASE_VERSION			1
+#define DPCON_CMD_ID_OFFSET			4
+
+#define DPCON_CMD(id)	(((id) << DPCON_CMD_ID_OFFSET) | DPCON_CMD_BASE_VERSION)
+
+/* Command IDs */
+#define DPCON_CMDID_CLOSE			DPCON_CMD(0x800)
+#define DPCON_CMDID_OPEN			DPCON_CMD(0x808)
+
+#define DPCON_CMDID_ENABLE			DPCON_CMD(0x002)
+#define DPCON_CMDID_DISABLE			DPCON_CMD(0x003)
+#define DPCON_CMDID_GET_ATTR			DPCON_CMD(0x004)
+#define DPCON_CMDID_RESET			DPCON_CMD(0x005)
+
+#define DPCON_CMDID_SET_NOTIFICATION		DPCON_CMD(0x100)
+
+struct dpcon_cmd_open {
+	__le32 dpcon_id;
+};
+
+#define DPCON_ENABLE			1
+
+struct dpcon_rsp_get_attr {
+	/* response word 0 */
+	__le32 id;
+	__le16 qbman_ch_id;
+	u8 num_priorities;
+	u8 pad;
+};
+
+struct dpcon_cmd_set_notification {
+	/* cmd word 0 */
+	__le32 dpio_id;
+	u8 priority;
+	u8 pad[3];
+	/* cmd word 1 */
+	__le64 user_ctx;
+};
+
+
+/**
+ * struct fsl_mc_resource_pool - Pool of MC resources of a given
+ * type
+ * @type: type of resources in the pool
+ * @max_count: maximum number of resources in the pool
+ * @free_count: number of free resources in the pool
+ * @mutex: mutex to serialize access to the pool's free list
+ * @free_list: anchor node of list of free resources in the pool
+ * @mc_bus: pointer to the MC bus that owns this resource pool
+ */
+struct fsl_mc_resource_pool {
+	enum fsl_mc_pool_type type;
+	int max_count;
+	int free_count;
+	struct mutex mutex;	/* serializes access to free_list */
+	struct list_head free_list;
+	struct fsl_mc_bus *mc_bus;
+};
+
+/**
+ * struct fsl_mc_bus - logical bus that corresponds to a physical DPRC
+ * @mc_dev: fsl-mc device for the bus device itself.
+ * @resource_pools: array of resource pools (one pool per resource type)
+ * for this MC bus. These resources represent allocatable entities
+ * from the physical DPRC.
+ * @irq_resources: Pointer to array of IRQ objects for the IRQ pool
+ * @scan_mutex: Serializes bus scanning
+ * @dprc_attr: DPRC attributes
+ */
+struct fsl_mc_bus {
+	struct fsl_mc_device mc_dev;
+	struct fsl_mc_resource_pool resource_pools[FSL_MC_NUM_POOL_TYPES];
+	struct fsl_mc_device_irq *irq_resources;
+	struct mutex scan_mutex;    /* serializes bus scanning */
+	struct dprc_attributes dprc_attr;
+};
+
+#define to_fsl_mc_bus(_mc_dev) \
+	container_of(_mc_dev, struct fsl_mc_bus, mc_dev)
+
+int __must_check fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc,
+				   struct fsl_mc_io *mc_io,
+				   struct device *parent_dev,
+				   struct fsl_mc_device **new_mc_dev);
+
+void fsl_mc_device_remove(struct fsl_mc_device *mc_dev);
+
+int __init dprc_driver_init(void);
+
+void dprc_driver_exit(void);
+
+int __init fsl_mc_allocator_driver_init(void);
+
+void fsl_mc_allocator_driver_exit(void);
+
+void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
+
+void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
+
+int __must_check fsl_mc_resource_allocate(struct fsl_mc_bus *mc_bus,
+					  enum fsl_mc_pool_type pool_type,
+					  struct fsl_mc_resource
+							  **new_resource);
+
+void fsl_mc_resource_free(struct fsl_mc_resource *resource);
+
+int fsl_mc_msi_domain_alloc_irqs(struct device *dev,
+				 unsigned int irq_count);
+
+void fsl_mc_msi_domain_free_irqs(struct device *dev);
+
+struct irq_domain *fsl_mc_find_msi_domain(struct device *dev);
+
+int __must_check fsl_create_mc_io(struct device *dev,
+				  phys_addr_t mc_portal_phys_addr,
+				  u32 mc_portal_size,
+				  struct fsl_mc_device *dpmcp_dev,
+				  u32 flags, struct fsl_mc_io **new_mc_io);
+
+void fsl_destroy_mc_io(struct fsl_mc_io *mc_io);
+
+bool fsl_mc_is_root_dprc(struct device *dev);
+
+void fsl_mc_get_root_dprc(struct device *dev,
+			 struct device **root_dprc_dev);
+
+struct fsl_mc_device *fsl_mc_device_lookup(struct fsl_mc_obj_desc *obj_desc,
+					   struct fsl_mc_device *mc_bus_dev);
+
+#endif /* _FSL_MC_PRIVATE_H_ */