diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ips_common.h')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ips_common.h | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/drivers/infiniband/hw/ipath/ips_common.h b/drivers/infiniband/hw/ipath/ips_common.h deleted file mode 100644 index ab7cbbbfd03..00000000000 --- a/drivers/infiniband/hw/ipath/ips_common.h +++ /dev/null @@ -1,263 +0,0 @@ -#ifndef IPS_COMMON_H -#define IPS_COMMON_H -/* - * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include "ipath_common.h" - -struct ipath_header { - /* - * Version - 4 bits, Port - 4 bits, TID - 10 bits and Offset - - * 14 bits before ECO change ~28 Dec 03. After that, Vers 4, - * Port 3, TID 11, offset 14. - */ - __le32 ver_port_tid_offset; - __le16 chksum; - __le16 pkt_flags; -}; - -struct ips_message_header { - __be16 lrh[4]; - __be32 bth[3]; - /* fields below this point are in host byte order */ - struct ipath_header iph; - __u8 sub_opcode; - __u8 flags; - __u16 src_rank; - /* 24 bits. The upper 8 bit is available for other use */ - union { - struct { - unsigned ack_seq_num:24; - unsigned port:4; - unsigned unused:4; - }; - __u32 ack_seq_num_org; - }; - __u8 expected_tid_session_id; - __u8 tinylen; /* to aid MPI */ - union { - __u16 tag; /* to aid MPI */ - __u16 mqhdr; /* for PSM MQ */ - }; - union { - __u32 mpi[4]; /* to aid MPI */ - __u32 data[4]; - __u64 mq[2]; /* for PSM MQ */ - struct { - __u16 mtu; - __u8 major_ver; - __u8 minor_ver; - __u32 not_used; //free - __u32 run_id; - __u32 client_ver; - }; - }; -}; - -struct ether_header { - __be16 lrh[4]; - __be32 bth[3]; - struct ipath_header iph; - __u8 sub_opcode; - __u8 cmd; - __be16 lid; - __u16 mac[3]; - __u8 frag_num; - __u8 seq_num; - __le32 len; - /* MUST be of word size due to PIO write requirements */ - __le32 csum; - __le16 csum_offset; - __le16 flags; - __u16 first_2_bytes; - __u8 unused[2]; /* currently unused */ -}; - -/* - * The PIO buffer used for sending infinipath messages must only be written - * in 32-bit words, all the data must be written, and no writes can occur - * after the last word is written (which transfers "ownership" of the buffer - * to the chip and triggers the message to be sent). - * Since the Linux sk_buff structure can be recursive, non-aligned, and - * any number of bytes in each segment, we use the following structure - * to keep information about the overall state of the copy operation. - * This is used to save the information needed to store the checksum - * in the right place before sending the last word to the hardware and - * to buffer the last 0-3 bytes of non-word sized segments. - */ -struct copy_data_s { - struct ether_header *hdr; - /* addr of PIO buf to write csum to */ - __u32 __iomem *csum_pio; - __u32 __iomem *to; /* addr of PIO buf to write data to */ - __u32 device; /* which device to allocate PIO bufs from */ - __s32 error; /* set if there is an error. */ - __s32 extra; /* amount of data saved in u.buf below */ - __u32 len; /* total length to send in bytes */ - __u32 flen; /* frament length in words */ - __u32 csum; /* partial IP checksum */ - __u32 pos; /* position for partial checksum */ - __u32 offset; /* offset to where data currently starts */ - __s32 checksum_calc; /* set to 1 when csum has been calculated */ - struct sk_buff *skb; - union { - __u32 w; - __u8 buf[4]; - } u; -}; - -/* IB - LRH header consts */ -#define IPS_LRH_GRH 0x0003 /* 1. word of IB LRH - next header: GRH */ -#define IPS_LRH_BTH 0x0002 /* 1. word of IB LRH - next header: BTH */ - -#define IPS_OFFSET 0 - -/* - * defines the cut-off point between the header queue and eager/expected - * TID queue - */ -#define NUM_OF_EXTRA_WORDS_IN_HEADER_QUEUE \ - ((sizeof(struct ips_message_header) - \ - offsetof(struct ips_message_header, iph)) >> 2) - -/* OpCodes */ -#define OPCODE_IPS 0xC0 -#define OPCODE_ITH4X 0xC1 - -/* OpCode 30 is use by stand-alone test programs */ -#define OPCODE_RAW_DATA 0xDE -/* last OpCode (31) is reserved for test */ -#define OPCODE_TEST 0xDF - -/* sub OpCodes - ips */ -#define OPCODE_SEQ_DATA 0x01 -#define OPCODE_SEQ_CTRL 0x02 - -#define OPCODE_SEQ_MQ_DATA 0x03 -#define OPCODE_SEQ_MQ_CTRL 0x04 - -#define OPCODE_ACK 0x10 -#define OPCODE_NAK 0x11 - -#define OPCODE_ERR_CHK 0x20 -#define OPCODE_ERR_CHK_PLS 0x21 - -#define OPCODE_STARTUP 0x30 -#define OPCODE_STARTUP_ACK 0x31 -#define OPCODE_STARTUP_NAK 0x32 - -#define OPCODE_STARTUP_EXT 0x34 -#define OPCODE_STARTUP_ACK_EXT 0x35 -#define OPCODE_STARTUP_NAK_EXT 0x36 - -#define OPCODE_TIDS_RELEASE 0x40 -#define OPCODE_TIDS_RELEASE_CONFIRM 0x41 - -#define OPCODE_CLOSE 0x50 -#define OPCODE_CLOSE_ACK 0x51 -/* - * like OPCODE_CLOSE, but no complaint if other side has already closed. - * Used when doing abort(), MPI_Abort(), etc. - */ -#define OPCODE_ABORT 0x52 - -/* sub OpCodes - ith4x */ -#define OPCODE_ENCAP 0x81 -#define OPCODE_LID_ARP 0x82 - -/* Receive Header Queue: receive type (from infinipath) */ -#define RCVHQ_RCV_TYPE_EXPECTED 0 -#define RCVHQ_RCV_TYPE_EAGER 1 -#define RCVHQ_RCV_TYPE_NON_KD 2 -#define RCVHQ_RCV_TYPE_ERROR 3 - -/* misc. */ -#define SIZE_OF_CRC 1 - -#define EAGER_TID_ID INFINIPATH_I_TID_MASK - -#define IPS_DEFAULT_P_KEY 0xFFFF - -#define IPS_PERMISSIVE_LID 0xFFFF -#define IPS_MULTICAST_LID_BASE 0xC000 - -#define IPS_AETH_CREDIT_SHIFT 24 -#define IPS_AETH_CREDIT_MASK 0x1F -#define IPS_AETH_CREDIT_INVAL 0x1F - -#define IPS_PSN_MASK 0xFFFFFF -#define IPS_MSN_MASK 0xFFFFFF -#define IPS_QPN_MASK 0xFFFFFF -#define IPS_MULTICAST_QPN 0xFFFFFF - -/* functions for extracting fields from rcvhdrq entries */ -static inline __u32 ips_get_hdr_err_flags(const __le32 * rbuf) -{ - return __le32_to_cpu(rbuf[1]); -} - -static inline __u32 ips_get_index(const __le32 * rbuf) -{ - return (__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_EGRINDEX_SHIFT) - & INFINIPATH_RHF_EGRINDEX_MASK; -} - -static inline __u32 ips_get_rcv_type(const __le32 * rbuf) -{ - return (__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_RCVTYPE_SHIFT) - & INFINIPATH_RHF_RCVTYPE_MASK; -} - -static inline __u32 ips_get_length_in_bytes(const __le32 * rbuf) -{ - return ((__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_LENGTH_SHIFT) - & INFINIPATH_RHF_LENGTH_MASK) << 2; -} - -static inline void *ips_get_first_protocol_header(const __u32 * rbuf) -{ - return (void *)&rbuf[2]; -} - -static inline struct ips_message_header *ips_get_ips_header(const __u32 * - rbuf) -{ - return (struct ips_message_header *)&rbuf[2]; -} - -static inline __u32 ips_get_ipath_ver(__le32 hdrword) -{ - return (__le32_to_cpu(hdrword) >> INFINIPATH_I_VERS_SHIFT) - & INFINIPATH_I_VERS_MASK; -} - -#endif /* IPS_COMMON_H */ |