diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0142-bus-fsl-mc-Some-apis-are-made-public-for-vfio.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0142-bus-fsl-mc-Some-apis-are-made-public-for-vfio.patch | 960 |
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_ */ |