layerscape: add patches-5.4

Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

1 files changed, 960 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/701-net-0142-bus-fsl-mc-Some-apis-are-made-public-for-vfio.patch b/target/linux/layerscape/patches-5.4/701-net-0142-bus-fsl-mc-Some-apis-are-made-public-for-vfio.patch
new file mode 100644
index 0000000000..404ea7e723
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0142-bus-fsl-mc-Some-apis-are-made-public-for-vfio.patch
@@ -0,0 +1,960 @@
+From e8dd5b8ee227cc60f10073faaa0f74b36aa4f40f Mon Sep 17 00:00:00 2001
+From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
+Date: Mon, 16 Apr 2018 12:26:38 +0300
+Subject: [PATCH] bus: fsl-mc: Some apis are made public for vfio
+
+Some of the APIs and data-structures are required for VFIO.
+This patch moves dprc.h to public header files.
+Also some APIs of mc-bus are made public for vfio.
+
+Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com>
+Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
+---
+ drivers/bus/fsl-mc/fsl-mc-allocator.c |   2 +
+ drivers/bus/fsl-mc/fsl-mc-bus.c       |   5 +-
+ drivers/bus/fsl-mc/fsl-mc-private.h   | 414 ---------------------------------
+ include/linux/fsl/mc.h                | 420 ++++++++++++++++++++++++++++++++++
+ 4 files changed, 425 insertions(+), 416 deletions(-)
+
+--- a/drivers/bus/fsl-mc/fsl-mc-allocator.c
++++ b/drivers/bus/fsl-mc/fsl-mc-allocator.c
+@@ -547,6 +547,7 @@ void fsl_mc_init_all_resource_pools(stru
+ 		mutex_init(&res_pool->mutex);
+ 	}
+ }
++EXPORT_SYMBOL_GPL(fsl_mc_init_all_resource_pools);
+ 
+ static void fsl_mc_cleanup_resource_pool(struct fsl_mc_device *mc_bus_dev,
+ 					 enum fsl_mc_pool_type pool_type)
+@@ -571,6 +572,7 @@ void fsl_mc_cleanup_all_resource_pools(s
+ 	for (pool_type = 0; pool_type < FSL_MC_NUM_POOL_TYPES; pool_type++)
+ 		fsl_mc_cleanup_resource_pool(mc_bus_dev, pool_type);
+ }
++EXPORT_SYMBOL_GPL(fsl_mc_cleanup_all_resource_pools);
+ 
+ /**
+  * fsl_mc_allocator_probe - callback invoked when an allocatable device is
+--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
++++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
+@@ -447,8 +447,8 @@ static int mc_get_version(struct fsl_mc_
+ /**
+  * fsl_mc_get_root_dprc - function to traverse to the root dprc
+  */
+-static void fsl_mc_get_root_dprc(struct device *dev,
+-				 struct device **root_dprc_dev)
++void fsl_mc_get_root_dprc(struct device *dev,
++			  struct device **root_dprc_dev)
+ {
+ 	if (!dev) {
+ 		*root_dprc_dev = NULL;
+@@ -460,6 +460,7 @@ static void fsl_mc_get_root_dprc(struct
+ 			*root_dprc_dev = (*root_dprc_dev)->parent;
+ 	}
+ }
++EXPORT_SYMBOL_GPL(fsl_mc_get_root_dprc);
+ 
+ static int get_dprc_attr(struct fsl_mc_io *mc_io,
+ 			 int container_id, struct dprc_attributes *attr)
+--- a/drivers/bus/fsl-mc/fsl-mc-private.h
++++ b/drivers/bus/fsl-mc/fsl-mc-private.h
+@@ -10,8 +10,6 @@
+ 
+ #include <linux/fsl/mc.h>
+ #include <linux/mutex.h>
+-#include <linux/ioctl.h>
+-#include <linux/miscdevice.h>
+ 
+ /*
+  * Data Path Management Complex (DPMNG) General API
+@@ -72,339 +70,6 @@ int dpmcp_reset(struct fsl_mc_io *mc_io,
+ 		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_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)
+-
+-/* 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_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_SET_OBJ_IRQ                  DPRC_CMD(0x15F)
+-
+-struct dprc_cmd_open {
+-	__le32 container_id;
+-};
+-
+-struct dprc_cmd_reset_container {
+-	__le32 child_container_id;
+-};
+-
+-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 pad0;
+-	/* response word 1 */
+-	__le64 base_offset;
+-	/* response word 2 */
+-	__le32 size;
+-	u8 type;
+-	u8 pad2[3];
+-	/* 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];
+-};
+-
+-/*
+- * 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);
+-
+-/* Region flags */
+-/* Cacheable - Indicates that region should be mapped as cacheable */
+-#define DPRC_REGION_CACHEABLE	0x00000001
+-#define DPRC_REGION_SHAREABLE	0x00000002
+-
+-/**
+- * 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);
+-
+-int dprc_reset_container(struct fsl_mc_io *mc_io,
+-			 u32 cmd_flags,
+-			 u16 token,
+-			 int child_container_id);
+-
+-/*
+  * Data Path Buffer Pool (DPBP) API
+  */
+ 
+@@ -491,70 +156,6 @@ struct dpcon_cmd_set_notification {
+ 	__le64 user_ctx;
+ };
+ 
+-/**
+- * Maximum number of total IRQs that can be pre-allocated for an MC bus'
+- * IRQ pool
+- */
+-#define FSL_MC_IRQ_POOL_MAX_TOTAL_IRQS	256
+-
+-/**
+- * 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_uapi - information associated with a device file
+- * @misc: struct miscdevice linked to the root dprc
+- * @device: newly created device in /dev
+- * @mutex: mutex lock to serialize the open/release operations
+- * @local_instance_in_use: local MC I/O instance in use or not
+- * @static_mc_io: pointer to the static MC I/O object
+- */
+-struct fsl_mc_uapi {
+-	struct miscdevice misc;
+-	struct device *device;
+-	struct mutex mutex; /* serialize open/release operations */
+-	u32 local_instance_in_use;
+-	struct fsl_mc_io *static_mc_io;
+-};
+-
+-/**
+- * 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
+- * @uapi_misc: struct that abstracts the interaction with userspace
+- */
+-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;
+-	struct fsl_mc_uapi uapi_misc;
+-};
+-
+-#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,
+@@ -565,17 +166,10 @@ int __init dprc_driver_init(void);
+ 
+ void dprc_driver_exit(void);
+ 
+-int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev,
+-		      const char *driver_override,
+-		      unsigned int *total_irq_count);
+ 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
+@@ -588,14 +182,6 @@ int fsl_mc_msi_domain_alloc_irqs(struct
+ 
+ void fsl_mc_msi_domain_free_irqs(struct device *dev);
+ 
+-int fsl_mc_find_msi_domain(struct device *mc_platform_dev,
+-			   struct irq_domain **mc_msi_domain);
+-
+-int fsl_mc_populate_irq_pool(struct fsl_mc_bus *mc_bus,
+-			     unsigned int irq_count);
+-
+-void fsl_mc_cleanup_irq_pool(struct fsl_mc_bus *mc_bus);
+-
+ int __must_check fsl_create_mc_io(struct device *dev,
+ 				  phys_addr_t mc_portal_phys_addr,
+ 				  u32 mc_portal_size,
+--- a/include/linux/fsl/mc.h
++++ b/include/linux/fsl/mc.h
+@@ -12,6 +12,8 @@
+ #include <linux/device.h>
+ #include <linux/mod_devicetable.h>
+ #include <linux/interrupt.h>
++#include <linux/ioctl.h>
++#include <linux/miscdevice.h>
+ #include <uapi/linux/fsl_mc.h>
+ 
+ #define FSL_MC_VENDOR_FREESCALE	0x1957
+@@ -49,6 +51,9 @@ struct fsl_mc_driver {
+ #define to_fsl_mc_driver(_drv) \
+ 	container_of(_drv, struct fsl_mc_driver, driver)
+ 
++#define to_fsl_mc_bus(_mc_dev) \
++	container_of(_mc_dev, struct fsl_mc_bus, mc_dev)
++
+ /**
+  * enum fsl_mc_pool_type - Types of allocatable MC bus resources
+  *
+@@ -469,6 +474,339 @@ static inline bool is_fsl_mc_bus_dpseci(
+ }
+ 
+ /*
++ * 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_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)
++
++/* 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_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_SET_OBJ_IRQ                  DPRC_CMD(0x15F)
++
++struct dprc_cmd_open {
++	__le32 container_id;
++};
++
++struct dprc_cmd_reset_container {
++	__le32 child_container_id;
++};
++
++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 pad0;
++	/* response word 1 */
++	__le64 base_offset;
++	/* response word 2 */
++	__le32 size;
++	u8 type;
++	u8 pad2[3];
++	/* 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];
++};
++
++/*
++ * 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);
++
++/* Region flags */
++/* Cacheable - Indicates that region should be mapped as cacheable */
++#define DPRC_REGION_CACHEABLE	0x00000001
++#define DPRC_REGION_SHAREABLE	0x00000002
++
++/**
++ * 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);
++
++int dprc_reset_container(struct fsl_mc_io *mc_io,
++			 u32 cmd_flags,
++			 u16 token,
++			 int child_container_id);
++
++/*
+  * Data Path Buffer Pool (DPBP) API
+  * Contains initialization APIs and runtime control APIs for DPBP
+  */
+@@ -576,4 +914,86 @@ int dpcon_set_notification(struct fsl_mc
+ 			   u16 token,
+ 			   struct dpcon_notification_cfg *cfg);
+ 
++struct irq_domain;
++struct msi_domain_info;
++
++/**
++ * Maximum number of total IRQs that can be pre-allocated for an MC bus'
++ * IRQ pool
++ */
++#define FSL_MC_IRQ_POOL_MAX_TOTAL_IRQS	256
++
++/**
++ * 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_uapi - information associated with a device file
++ * @misc: struct miscdevice linked to the root dprc
++ * @device: newly created device in /dev
++ * @mutex: mutex lock to serialize the open/release operations
++ * @local_instance_in_use: local MC I/O instance in use or not
++ * @static_mc_io: pointer to the static MC I/O object
++ */
++struct fsl_mc_uapi {
++	struct miscdevice misc;
++	struct device *device;
++	struct mutex mutex; /* serialize open/release operations */
++	u32 local_instance_in_use;
++	struct fsl_mc_io *static_mc_io;
++};
++
++/**
++ * 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
++ * @uapi_misc: struct that abstracts the interaction with userspace
++ */
++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;
++	struct fsl_mc_uapi uapi_misc;
++};
++
++int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev,
++		      const char *driver_override,
++		      unsigned int *total_irq_count);
++
++int fsl_mc_find_msi_domain(struct device *mc_platform_dev,
++			   struct irq_domain **mc_msi_domain);
++
++int fsl_mc_populate_irq_pool(struct fsl_mc_bus *mc_bus,
++			     unsigned int irq_count);
++
++void fsl_mc_cleanup_irq_pool(struct fsl_mc_bus *mc_bus);
++
++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);
++
++void fsl_mc_get_root_dprc(struct device *dev, struct device **root_dprc_dev);
++
+ #endif /* _FSL_MC_H_ */