diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/soc/ti/ti_sci_protocol.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/include/linux/soc/ti/ti_sci_protocol.h b/include/linux/soc/ti/ti_sci_protocol.h index 222cf66546..895cb1b911 100644 --- a/include/linux/soc/ti/ti_sci_protocol.h +++ b/include/linux/soc/ti/ti_sci_protocol.h @@ -511,6 +511,68 @@ struct ti_sci_rm_udmap_ops { }; /** + * struct ti_sci_msg_fwl_region_cfg - Request and Response for firewalls settings + * + * @fwl_id: Firewall ID in question + * @region: Region or channel number to set config info + * This field is unused in case of a simple firewall and must be initialized + * to zero. In case of a region based firewall, this field indicates the + * region in question. (index starting from 0) In case of a channel based + * firewall, this field indicates the channel in question (index starting + * from 0) + * @n_permission_regs: Number of permission registers to set + * @control: Contents of the firewall CONTROL register to set + * @permissions: Contents of the firewall PERMISSION register to set + * @start_address: Contents of the firewall START_ADDRESS register to set + * @end_address: Contents of the firewall END_ADDRESS register to set + */ +struct ti_sci_msg_fwl_region { + u16 fwl_id; + u16 region; + u32 n_permission_regs; + u32 control; + u32 permissions[3]; + u64 start_address; + u64 end_address; +} __packed; + +/** + * \brief Request and Response for firewall owner change + * + * @fwl_id: Firewall ID in question + * @region: Region or channel number to set config info + * This field is unused in case of a simple firewall and must be initialized + * to zero. In case of a region based firewall, this field indicates the + * region in question. (index starting from 0) In case of a channel based + * firewall, this field indicates the channel in question (index starting + * from 0) + * @n_permission_regs: Number of permission registers <= 3 + * @control: Control register value for this region + * @owner_index: New owner index to change to. Owner indexes are setup in DMSC firmware boot configuration data + * @owner_privid: New owner priv-id, used to lookup owner_index is not known, must be set to zero otherwise + * @owner_permission_bits: New owner permission bits + */ +struct ti_sci_msg_fwl_owner { + u16 fwl_id; + u16 region; + u8 owner_index; + u8 owner_privid; + u16 owner_permission_bits; +} __packed; + +/** + * struct ti_sci_fwl_ops - Firewall specific operations + * @set_fwl_region: Request for configuring the firewall permissions. + * @get_fwl_region: Request for retrieving the firewall permissions. + * @change_fwl_owner: Request for a change of firewall owner. + */ +struct ti_sci_fwl_ops { + int (*set_fwl_region)(const struct ti_sci_handle *handle, const struct ti_sci_msg_fwl_region *region); + int (*get_fwl_region)(const struct ti_sci_handle *handle, struct ti_sci_msg_fwl_region *region); + int (*change_fwl_owner)(const struct ti_sci_handle *handle, struct ti_sci_msg_fwl_owner *owner); +}; + +/** * struct ti_sci_ops - Function support for TI SCI * @board_ops: Miscellaneous operations * @dev_ops: Device specific operations @@ -518,6 +580,7 @@ struct ti_sci_rm_udmap_ops { * @core_ops: Core specific operations * @proc_ops: Processor specific operations * @ring_ops: Ring Accelerator Management operations + * @fw_ops: Firewall specific operations */ struct ti_sci_ops { struct ti_sci_board_ops board_ops; @@ -529,6 +592,7 @@ struct ti_sci_ops { struct ti_sci_rm_ringacc_ops rm_ring_ops; struct ti_sci_rm_psil_ops rm_psil_ops; struct ti_sci_rm_udmap_ops rm_udmap_ops; + struct ti_sci_fwl_ops fwl_ops; }; /** |