From 863981e96738983919de841ec669e157e6bdaeb0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Sun, 11 Sep 2016 04:34:46 -0300 Subject: Linux-libre 4.7.1-gnu --- drivers/staging/fsl-mc/include/dpbp-cmd.h | 4 ++- drivers/staging/fsl-mc/include/dpbp.h | 51 +++++++++++++++++++++++++++-- drivers/staging/fsl-mc/include/dprc.h | 19 +++++++---- drivers/staging/fsl-mc/include/mc-private.h | 2 ++ 4 files changed, 66 insertions(+), 10 deletions(-) (limited to 'drivers/staging/fsl-mc/include') diff --git a/drivers/staging/fsl-mc/include/dpbp-cmd.h b/drivers/staging/fsl-mc/include/dpbp-cmd.h index efa9bf33c..c57b454a2 100644 --- a/drivers/staging/fsl-mc/include/dpbp-cmd.h +++ b/drivers/staging/fsl-mc/include/dpbp-cmd.h @@ -34,7 +34,7 @@ /* DPBP Version */ #define DPBP_VER_MAJOR 2 -#define DPBP_VER_MINOR 1 +#define DPBP_VER_MINOR 2 /* Command IDs */ #define DPBP_CMDID_CLOSE 0x800 @@ -57,4 +57,6 @@ #define DPBP_CMDID_GET_IRQ_STATUS 0x016 #define DPBP_CMDID_CLEAR_IRQ_STATUS 0x017 +#define DPBP_CMDID_SET_NOTIFICATIONS 0x01b0 +#define DPBP_CMDID_GET_NOTIFICATIONS 0x01b1 #endif /* _FSL_DPBP_CMD_H */ diff --git a/drivers/staging/fsl-mc/include/dpbp.h b/drivers/staging/fsl-mc/include/dpbp.h index 37ed95143..e14e85a5d 100644 --- a/drivers/staging/fsl-mc/include/dpbp.h +++ b/drivers/staging/fsl-mc/include/dpbp.h @@ -85,12 +85,12 @@ int dpbp_reset(struct fsl_mc_io *mc_io, * struct dpbp_irq_cfg - IRQ configuration * @addr: Address that must be written to signal a message-based interrupt * @val: Value to write into irq_addr address - * @user_irq_id: A user defined number associated with this IRQ + * @irq_num: A user defined number associated with this IRQ */ struct dpbp_irq_cfg { u64 addr; u32 val; - int user_irq_id; + int irq_num; }; int dpbp_set_irq(struct fsl_mc_io *mc_io, @@ -168,6 +168,53 @@ int dpbp_get_attributes(struct fsl_mc_io *mc_io, u16 token, struct dpbp_attr *attr); +/** + * DPBP notifications options + */ + +/** + * BPSCN write will attempt to allocate into a cache (coherent write) + */ +#define DPBP_NOTIF_OPT_COHERENT_WRITE 0x00000001 + +/** + * struct dpbp_notification_cfg - Structure representing DPBP notifications + * towards software + * @depletion_entry: below this threshold the pool is "depleted"; + * set it to '0' to disable it + * @depletion_exit: greater than or equal to this threshold the pool exit its + * "depleted" state + * @surplus_entry: above this threshold the pool is in "surplus" state; + * set it to '0' to disable it + * @surplus_exit: less than or equal to this threshold the pool exit its + * "surplus" state + * @message_iova: MUST be given if either 'depletion_entry' or 'surplus_entry' + * is not '0' (enable); I/O virtual address (must be in DMA-able memory), + * must be 16B aligned. + * @message_ctx: The context that will be part of the BPSCN message and will + * be written to 'message_iova' + * @options: Mask of available options; use 'DPBP_NOTIF_OPT_' values + */ +struct dpbp_notification_cfg { + u32 depletion_entry; + u32 depletion_exit; + u32 surplus_entry; + u32 surplus_exit; + u64 message_iova; + u64 message_ctx; + u16 options; +}; + +int dpbp_set_notifications(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dpbp_notification_cfg *cfg); + +int dpbp_get_notifications(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dpbp_notification_cfg *cfg); + /** @} */ #endif /* __FSL_DPBP_H */ diff --git a/drivers/staging/fsl-mc/include/dprc.h b/drivers/staging/fsl-mc/include/dprc.h index 94c492706..593b2bbe7 100644 --- a/drivers/staging/fsl-mc/include/dprc.h +++ b/drivers/staging/fsl-mc/include/dprc.h @@ -94,11 +94,6 @@ int dprc_close(struct fsl_mc_io *mc_io, */ #define DPRC_CFG_OPT_TOPOLOGY_CHANGES_ALLOWED 0x00000008 -/* IOMMU bypass - indicates whether objects of this container are permitted - * to bypass the IOMMU. - */ -#define DPRC_CFG_OPT_IOMMU_BYPASS 0x00000010 - /* AIOP - Indicates that container belongs to AIOP. */ #define DPRC_CFG_OPT_AIOP 0x00000020 @@ -173,12 +168,12 @@ int dprc_reset_container(struct fsl_mc_io *mc_io, * 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 - * @user_irq_id: A user defined number associated with this IRQ + * @irq_num: A user defined number associated with this IRQ */ struct dprc_irq_cfg { phys_addr_t paddr; u32 val; - int user_irq_id; + int irq_num; }; int dprc_set_irq(struct fsl_mc_io *mc_io, @@ -352,6 +347,14 @@ int dprc_get_obj_count(struct fsl_mc_io *mc_io, /* Plugged state - Indicates that the object is plugged */ #define DPRC_OBJ_STATE_PLUGGED 0x00000002 +/** + * Shareability flag - Object flag indicating no memory shareability. + * the object generates memory accesses that are non coherent with other + * masters; + * user is responsible for proper memory handling through IOMMU configuration. + */ +#define DPRC_OBJ_FLAG_NO_MEM_SHAREABILITY 0x0001 + /** * struct dprc_obj_desc - Object descriptor, returned from dprc_get_obj() * @type: Type of object: NULL terminated string @@ -363,6 +366,7 @@ int dprc_get_obj_count(struct fsl_mc_io *mc_io, * @region_count: Number of mappable regions supported by the object * @state: Object state: combination of DPRC_OBJ_STATE_ states * @label: Object label + * @flags: Object's flags */ struct dprc_obj_desc { char type[16]; @@ -374,6 +378,7 @@ struct dprc_obj_desc { u8 region_count; u32 state; char label[16]; + u16 flags; }; int dprc_get_obj(struct fsl_mc_io *mc_io, diff --git a/drivers/staging/fsl-mc/include/mc-private.h b/drivers/staging/fsl-mc/include/mc-private.h index ee5f1d2bf..cab1ae90f 100644 --- a/drivers/staging/fsl-mc/include/mc-private.h +++ b/drivers/staging/fsl-mc/include/mc-private.h @@ -94,12 +94,14 @@ struct fsl_mc_resource_pool { * 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) \ -- cgit v1.2.3-54-g00ecf