/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Filename: rsXX_cfg.h * * Authors: Joshua Morris <josh.h.morris@us.ibm.com> * Philip Kelleher <pjk1939@linux.vnet.ibm.com> * * (C) Copyright 2013 IBM Corporation */ #ifndef __RSXX_CFG_H__ #define __RSXX_CFG_H__ /* NOTE: Config values will be saved in network byte order (i.e. Big endian) */ #include <linux/types.h> /* * The card config version must match the driver's expected version. If it does * not, the DMA interfaces will not be attached and the user will need to * initialize/upgrade the card configuration using the card config utility. */ #define RSXX_CFG_VERSION 4 struct card_cfg_hdr { __u32 version; __u32 crc; }; struct card_cfg_data { __u32 block_size; __u32 stripe_size; __u32 vendor_id; __u32 cache_order; struct { __u32 mode; /* Disabled, manual, auto-tune... */ __u32 count; /* Number of intr to coalesce */ __u32 latency;/* Max wait time (in ns) */ } intr_coal; }; struct rsxx_card_cfg { struct card_cfg_hdr hdr; struct card_cfg_data data; }; /* Vendor ID Values */ #define RSXX_VENDOR_ID_IBM 0 #define RSXX_VENDOR_ID_DSI 1 #define RSXX_VENDOR_COUNT 2 /* Interrupt Coalescing Values */ #define RSXX_INTR_COAL_DISABLED 0 #define RSXX_INTR_COAL_EXPLICIT 1 #define RSXX_INTR_COAL_AUTO_TUNE 2 #endif /* __RSXX_CFG_H__ */