1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Filename: rsXX_cfg.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Authors: Joshua Morris <josh.h.morris@us.ibm.com> 6*4882a593Smuzhiyun * Philip Kelleher <pjk1939@linux.vnet.ibm.com> 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * (C) Copyright 2013 IBM Corporation 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #ifndef __RSXX_CFG_H__ 12*4882a593Smuzhiyun #define __RSXX_CFG_H__ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* NOTE: Config values will be saved in network byte order (i.e. Big endian) */ 15*4882a593Smuzhiyun #include <linux/types.h> 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* 18*4882a593Smuzhiyun * The card config version must match the driver's expected version. If it does 19*4882a593Smuzhiyun * not, the DMA interfaces will not be attached and the user will need to 20*4882a593Smuzhiyun * initialize/upgrade the card configuration using the card config utility. 21*4882a593Smuzhiyun */ 22*4882a593Smuzhiyun #define RSXX_CFG_VERSION 4 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun struct card_cfg_hdr { 25*4882a593Smuzhiyun __u32 version; 26*4882a593Smuzhiyun __u32 crc; 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun struct card_cfg_data { 30*4882a593Smuzhiyun __u32 block_size; 31*4882a593Smuzhiyun __u32 stripe_size; 32*4882a593Smuzhiyun __u32 vendor_id; 33*4882a593Smuzhiyun __u32 cache_order; 34*4882a593Smuzhiyun struct { 35*4882a593Smuzhiyun __u32 mode; /* Disabled, manual, auto-tune... */ 36*4882a593Smuzhiyun __u32 count; /* Number of intr to coalesce */ 37*4882a593Smuzhiyun __u32 latency;/* Max wait time (in ns) */ 38*4882a593Smuzhiyun } intr_coal; 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun struct rsxx_card_cfg { 42*4882a593Smuzhiyun struct card_cfg_hdr hdr; 43*4882a593Smuzhiyun struct card_cfg_data data; 44*4882a593Smuzhiyun }; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun /* Vendor ID Values */ 47*4882a593Smuzhiyun #define RSXX_VENDOR_ID_IBM 0 48*4882a593Smuzhiyun #define RSXX_VENDOR_ID_DSI 1 49*4882a593Smuzhiyun #define RSXX_VENDOR_COUNT 2 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun /* Interrupt Coalescing Values */ 52*4882a593Smuzhiyun #define RSXX_INTR_COAL_DISABLED 0 53*4882a593Smuzhiyun #define RSXX_INTR_COAL_EXPLICIT 1 54*4882a593Smuzhiyun #define RSXX_INTR_COAL_AUTO_TUNE 2 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #endif /* __RSXX_CFG_H__ */ 58*4882a593Smuzhiyun 59