diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_common.h')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_common.h | 798 |
1 files changed, 0 insertions, 798 deletions
diff --git a/drivers/infiniband/hw/qib/qib_common.h b/drivers/infiniband/hw/qib/qib_common.h deleted file mode 100644 index cf652831d8e7..000000000000 --- a/drivers/infiniband/hw/qib/qib_common.h +++ /dev/null @@ -1,798 +0,0 @@ -/* - * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation. - * All rights reserved. - * 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. - */ - -#ifndef _QIB_COMMON_H -#define _QIB_COMMON_H - -/* - * This file contains defines, structures, etc. that are used - * to communicate between kernel and user code. - */ - -/* This is the IEEE-assigned OUI for QLogic Inc. QLogic_IB */ -#define QIB_SRC_OUI_1 0x00 -#define QIB_SRC_OUI_2 0x11 -#define QIB_SRC_OUI_3 0x75 - -/* version of protocol header (known to chip also). In the long run, - * we should be able to generate and accept a range of version numbers; - * for now we only accept one, and it's compiled in. - */ -#define IPS_PROTO_VERSION 2 - -/* - * These are compile time constants that you may want to enable or disable - * if you are trying to debug problems with code or performance. - * QIB_VERBOSE_TRACING define as 1 if you want additional tracing in - * fastpath code - * QIB_TRACE_REGWRITES define as 1 if you want register writes to be - * traced in fastpath code - * _QIB_TRACING define as 0 if you want to remove all tracing in a - * compilation unit - */ - -/* - * The value in the BTH QP field that QLogic_IB uses to differentiate - * an qlogic_ib protocol IB packet vs standard IB transport - * This it needs to be even (0x656b78), because the LSB is sometimes - * used for the MSB of context. The change may cause a problem - * interoperating with older software. - */ -#define QIB_KD_QP 0x656b78 - -/* - * These are the status bits readable (in ascii form, 64bit value) - * from the "status" sysfs file. For binary compatibility, values - * must remain as is; removed states can be reused for different - * purposes. - */ -#define QIB_STATUS_INITTED 0x1 /* basic initialization done */ -/* Chip has been found and initted */ -#define QIB_STATUS_CHIP_PRESENT 0x20 -/* IB link is at ACTIVE, usable for data traffic */ -#define QIB_STATUS_IB_READY 0x40 -/* link is configured, LID, MTU, etc. have been set */ -#define QIB_STATUS_IB_CONF 0x80 -/* A Fatal hardware error has occurred. */ -#define QIB_STATUS_HWERROR 0x200 - -/* - * The list of usermode accessible registers. Also see Reg_* later in file. - */ -enum qib_ureg { - /* (RO) DMA RcvHdr to be used next. */ - ur_rcvhdrtail = 0, - /* (RW) RcvHdr entry to be processed next by host. */ - ur_rcvhdrhead = 1, - /* (RO) Index of next Eager index to use. */ - ur_rcvegrindextail = 2, - /* (RW) Eager TID to be processed next */ - ur_rcvegrindexhead = 3, - /* For internal use only; max register number. */ - _QIB_UregMax -}; - -/* bit values for spi_runtime_flags */ -#define QIB_RUNTIME_PCIE 0x0002 -#define QIB_RUNTIME_FORCE_WC_ORDER 0x0004 -#define QIB_RUNTIME_RCVHDR_COPY 0x0008 -#define QIB_RUNTIME_MASTER 0x0010 -#define QIB_RUNTIME_RCHK 0x0020 -#define QIB_RUNTIME_NODMA_RTAIL 0x0080 -#define QIB_RUNTIME_SPECIAL_TRIGGER 0x0100 -#define QIB_RUNTIME_SDMA 0x0200 -#define QIB_RUNTIME_FORCE_PIOAVAIL 0x0400 -#define QIB_RUNTIME_PIO_REGSWAPPED 0x0800 -#define QIB_RUNTIME_CTXT_MSB_IN_QP 0x1000 -#define QIB_RUNTIME_CTXT_REDIRECT 0x2000 -#define QIB_RUNTIME_HDRSUPP 0x4000 - -/* - * This structure is returned by qib_userinit() immediately after - * open to get implementation-specific info, and info specific to this - * instance. - * - * This struct must have explict pad fields where type sizes - * may result in different alignments between 32 and 64 bit - * programs, since the 64 bit * bit kernel requires the user code - * to have matching offsets - */ -struct qib_base_info { - /* version of hardware, for feature checking. */ - __u32 spi_hw_version; - /* version of software, for feature checking. */ - __u32 spi_sw_version; - /* QLogic_IB context assigned, goes into sent packets */ - __u16 spi_ctxt; - __u16 spi_subctxt; - /* - * IB MTU, packets IB data must be less than this. - * The MTU is in bytes, and will be a multiple of 4 bytes. - */ - __u32 spi_mtu; - /* - * Size of a PIO buffer. Any given packet's total size must be less - * than this (in words). Included is the starting control word, so - * if 513 is returned, then total pkt size is 512 words or less. - */ - __u32 spi_piosize; - /* size of the TID cache in qlogic_ib, in entries */ - __u32 spi_tidcnt; - /* size of the TID Eager list in qlogic_ib, in entries */ - __u32 spi_tidegrcnt; - /* size of a single receive header queue entry in words. */ - __u32 spi_rcvhdrent_size; - /* - * Count of receive header queue entries allocated. - * This may be less than the spu_rcvhdrcnt passed in!. - */ - __u32 spi_rcvhdr_cnt; - - /* per-chip and other runtime features bitmap (QIB_RUNTIME_*) */ - __u32 spi_runtime_flags; - - /* address where hardware receive header queue is mapped */ - __u64 spi_rcvhdr_base; - - /* user program. */ - - /* base address of eager TID receive buffers used by hardware. */ - __u64 spi_rcv_egrbufs; - - /* Allocated by initialization code, not by protocol. */ - - /* - * Size of each TID buffer in host memory, starting at - * spi_rcv_egrbufs. The buffers are virtually contiguous. - */ - __u32 spi_rcv_egrbufsize; - /* - * The special QP (queue pair) value that identifies an qlogic_ib - * protocol packet from standard IB packets. More, probably much - * more, to be added. - */ - __u32 spi_qpair; - - /* - * User register base for init code, not to be used directly by - * protocol or applications. Always points to chip registers, - * for normal or shared context. - */ - __u64 spi_uregbase; - /* - * Maximum buffer size in bytes that can be used in a single TID - * entry (assuming the buffer is aligned to this boundary). This is - * the minimum of what the hardware and software support Guaranteed - * to be a power of 2. - */ - __u32 spi_tid_maxsize; - /* - * alignment of each pio send buffer (byte count - * to add to spi_piobufbase to get to second buffer) - */ - __u32 spi_pioalign; - /* - * The index of the first pio buffer available to this process; - * needed to do lookup in spi_pioavailaddr; not added to - * spi_piobufbase. - */ - __u32 spi_pioindex; - /* number of buffers mapped for this process */ - __u32 spi_piocnt; - - /* - * Base address of writeonly pio buffers for this process. - * Each buffer has spi_piosize words, and is aligned on spi_pioalign - * boundaries. spi_piocnt buffers are mapped from this address - */ - __u64 spi_piobufbase; - - /* - * Base address of readonly memory copy of the pioavail registers. - * There are 2 bits for each buffer. - */ - __u64 spi_pioavailaddr; - - /* - * Address where driver updates a copy of the interface and driver - * status (QIB_STATUS_*) as a 64 bit value. It's followed by a - * link status qword (formerly combined with driver status), then a - * string indicating hardware error, if there was one. - */ - __u64 spi_status; - - /* number of chip ctxts available to user processes */ - __u32 spi_nctxts; - __u16 spi_unit; /* unit number of chip we are using */ - __u16 spi_port; /* IB port number we are using */ - /* num bufs in each contiguous set */ - __u32 spi_rcv_egrperchunk; - /* size in bytes of each contiguous set */ - __u32 spi_rcv_egrchunksize; - /* total size of mmap to cover full rcvegrbuffers */ - __u32 spi_rcv_egrbuftotlen; - __u32 spi_rhf_offset; /* dword offset in hdrqent for rcvhdr flags */ - /* address of readonly memory copy of the rcvhdrq tail register. */ - __u64 spi_rcvhdr_tailaddr; - - /* - * shared memory pages for subctxts if ctxt is shared; these cover - * all the processes in the group sharing a single context. - * all have enough space for the num_subcontexts value on this job. - */ - __u64 spi_subctxt_uregbase; - __u64 spi_subctxt_rcvegrbuf; - __u64 spi_subctxt_rcvhdr_base; - - /* shared memory page for send buffer disarm status */ - __u64 spi_sendbuf_status; -} __aligned(8); - -/* - * This version number is given to the driver by the user code during - * initialization in the spu_userversion field of qib_user_info, so - * the driver can check for compatibility with user code. - * - * The major version changes when data structures - * change in an incompatible way. The driver must be the same or higher - * for initialization to succeed. In some cases, a higher version - * driver will not interoperate with older software, and initialization - * will return an error. - */ -#define QIB_USER_SWMAJOR 1 - -/* - * Minor version differences are always compatible - * a within a major version, however if user software is larger - * than driver software, some new features and/or structure fields - * may not be implemented; the user code must deal with this if it - * cares, or it must abort after initialization reports the difference. - */ -#define QIB_USER_SWMINOR 13 - -#define QIB_USER_SWVERSION ((QIB_USER_SWMAJOR << 16) | QIB_USER_SWMINOR) - -#ifndef QIB_KERN_TYPE -#define QIB_KERN_TYPE 0 -#endif - -/* - * Similarly, this is the kernel version going back to the user. It's - * slightly different, in that we want to tell if the driver was built as - * part of a QLogic release, or from the driver from openfabrics.org, - * kernel.org, or a standard distribution, for support reasons. - * The high bit is 0 for non-QLogic and 1 for QLogic-built/supplied. - * - * It's returned by the driver to the user code during initialization in the - * spi_sw_version field of qib_base_info, so the user code can in turn - * check for compatibility with the kernel. -*/ -#define QIB_KERN_SWVERSION ((QIB_KERN_TYPE << 31) | QIB_USER_SWVERSION) - -/* - * Define the driver version number. This is something that refers only - * to the driver itself, not the software interfaces it supports. - */ -#define QIB_DRIVER_VERSION_BASE "1.11" - -/* create the final driver version string */ -#ifdef QIB_IDSTR -#define QIB_DRIVER_VERSION QIB_DRIVER_VERSION_BASE " " QIB_IDSTR -#else -#define QIB_DRIVER_VERSION QIB_DRIVER_VERSION_BASE -#endif - -/* - * If the unit is specified via open, HCA choice is fixed. If port is - * specified, it's also fixed. Otherwise we try to spread contexts - * across ports and HCAs, using different algorithims. WITHIN is - * the old default, prior to this mechanism. - */ -#define QIB_PORT_ALG_ACROSS 0 /* round robin contexts across HCAs, then - * ports; this is the default */ -#define QIB_PORT_ALG_WITHIN 1 /* use all contexts on an HCA (round robin - * active ports within), then next HCA */ -#define QIB_PORT_ALG_COUNT 2 /* number of algorithm choices */ - -/* - * This structure is passed to qib_userinit() to tell the driver where - * user code buffers are, sizes, etc. The offsets and sizes of the - * fields must remain unchanged, for binary compatibility. It can - * be extended, if userversion is changed so user code can tell, if needed - */ -struct qib_user_info { - /* - * version of user software, to detect compatibility issues. - * Should be set to QIB_USER_SWVERSION. - */ - __u32 spu_userversion; - - __u32 _spu_unused2; - - /* size of struct base_info to write to */ - __u32 spu_base_info_size; - - __u32 spu_port_alg; /* which QIB_PORT_ALG_*; unused user minor < 11 */ - - /* - * If two or more processes wish to share a context, each process - * must set the spu_subctxt_cnt and spu_subctxt_id to the same - * values. The only restriction on the spu_subctxt_id is that - * it be unique for a given node. - */ - __u16 spu_subctxt_cnt; - __u16 spu_subctxt_id; - - __u32 spu_port; /* IB port requested by user if > 0 */ - - /* - * address of struct base_info to write to - */ - __u64 spu_base_info; - -} __aligned(8); - -/* User commands. */ - -/* 16 available, was: old set up userspace (for old user code) */ -#define QIB_CMD_CTXT_INFO 17 /* find out what resources we got */ -#define QIB_CMD_RECV_CTRL 18 /* control receipt of packets */ -#define QIB_CMD_TID_UPDATE 19 /* update expected TID entries */ -#define QIB_CMD_TID_FREE 20 /* free expected TID entries */ -#define QIB_CMD_SET_PART_KEY 21 /* add partition key */ -/* 22 available, was: return info on slave processes (for old user code) */ -#define QIB_CMD_ASSIGN_CTXT 23 /* allocate HCA and ctxt */ -#define QIB_CMD_USER_INIT 24 /* set up userspace */ -#define QIB_CMD_UNUSED_1 25 -#define QIB_CMD_UNUSED_2 26 -#define QIB_CMD_PIOAVAILUPD 27 /* force an update of PIOAvail reg */ -#define QIB_CMD_POLL_TYPE 28 /* set the kind of polling we want */ -#define QIB_CMD_ARMLAUNCH_CTRL 29 /* armlaunch detection control */ -/* 30 is unused */ -#define QIB_CMD_SDMA_INFLIGHT 31 /* sdma inflight counter request */ -#define QIB_CMD_SDMA_COMPLETE 32 /* sdma completion counter request */ -/* 33 available, was a testing feature */ -#define QIB_CMD_DISARM_BUFS 34 /* disarm send buffers w/ errors */ -#define QIB_CMD_ACK_EVENT 35 /* ack & clear bits */ -#define QIB_CMD_CPUS_LIST 36 /* list of cpus allocated, for pinned - * processes: qib_cpus_list */ - -/* - * QIB_CMD_ACK_EVENT obsoletes QIB_CMD_DISARM_BUFS, but we keep it for - * compatibility with libraries from previous release. The ACK_EVENT - * will take appropriate driver action (if any, just DISARM for now), - * then clear the bits passed in as part of the mask. These bits are - * in the first 64bit word at spi_sendbuf_status, and are passed to - * the driver in the event_mask union as well. - */ -#define _QIB_EVENT_DISARM_BUFS_BIT 0 -#define _QIB_EVENT_LINKDOWN_BIT 1 -#define _QIB_EVENT_LID_CHANGE_BIT 2 -#define _QIB_EVENT_LMC_CHANGE_BIT 3 -#define _QIB_EVENT_SL2VL_CHANGE_BIT 4 -#define _QIB_MAX_EVENT_BIT _QIB_EVENT_SL2VL_CHANGE_BIT - -#define QIB_EVENT_DISARM_BUFS_BIT (1UL << _QIB_EVENT_DISARM_BUFS_BIT) -#define QIB_EVENT_LINKDOWN_BIT (1UL << _QIB_EVENT_LINKDOWN_BIT) -#define QIB_EVENT_LID_CHANGE_BIT (1UL << _QIB_EVENT_LID_CHANGE_BIT) -#define QIB_EVENT_LMC_CHANGE_BIT (1UL << _QIB_EVENT_LMC_CHANGE_BIT) -#define QIB_EVENT_SL2VL_CHANGE_BIT (1UL << _QIB_EVENT_SL2VL_CHANGE_BIT) - - -/* - * Poll types - */ -#define QIB_POLL_TYPE_ANYRCV 0x0 -#define QIB_POLL_TYPE_URGENT 0x1 - -struct qib_ctxt_info { - __u16 num_active; /* number of active units */ - __u16 unit; /* unit (chip) assigned to caller */ - __u16 port; /* IB port assigned to caller (1-based) */ - __u16 ctxt; /* ctxt on unit assigned to caller */ - __u16 subctxt; /* subctxt on unit assigned to caller */ - __u16 num_ctxts; /* number of ctxts available on unit */ - __u16 num_subctxts; /* number of subctxts opened on ctxt */ - __u16 rec_cpu; /* cpu # for affinity (ffff if none) */ -}; - -struct qib_tid_info { - __u32 tidcnt; - /* make structure same size in 32 and 64 bit */ - __u32 tid__unused; - /* virtual address of first page in transfer */ - __u64 tidvaddr; - /* pointer (same size 32/64 bit) to __u16 tid array */ - __u64 tidlist; - - /* - * pointer (same size 32/64 bit) to bitmap of TIDs used - * for this call; checked for being large enough at open - */ - __u64 tidmap; -}; - -struct qib_cmd { - __u32 type; /* command type */ - union { - struct qib_tid_info tid_info; - struct qib_user_info user_info; - - /* - * address in userspace where we should put the sdma - * inflight counter - */ - __u64 sdma_inflight; - /* - * address in userspace where we should put the sdma - * completion counter - */ - __u64 sdma_complete; - /* address in userspace of struct qib_ctxt_info to - write result to */ - __u64 ctxt_info; - /* enable/disable receipt of packets */ - __u32 recv_ctrl; - /* enable/disable armlaunch errors (non-zero to enable) */ - __u32 armlaunch_ctrl; - /* partition key to set */ - __u16 part_key; - /* user address of __u32 bitmask of active slaves */ - __u64 slave_mask_addr; - /* type of polling we want */ - __u16 poll_type; - /* back pressure enable bit for one particular context */ - __u8 ctxt_bp; - /* qib_user_event_ack(), IPATH_EVENT_* bits */ - __u64 event_mask; - } cmd; -}; - -struct qib_iovec { - /* Pointer to data, but same size 32 and 64 bit */ - __u64 iov_base; - - /* - * Length of data; don't need 64 bits, but want - * qib_sendpkt to remain same size as before 32 bit changes, so... - */ - __u64 iov_len; -}; - -/* - * Describes a single packet for send. Each packet can have one or more - * buffers, but the total length (exclusive of IB headers) must be less - * than the MTU, and if using the PIO method, entire packet length, - * including IB headers, must be less than the qib_piosize value (words). - * Use of this necessitates including sys/uio.h - */ -struct __qib_sendpkt { - __u32 sps_flags; /* flags for packet (TBD) */ - __u32 sps_cnt; /* number of entries to use in sps_iov */ - /* array of iov's describing packet. TEMPORARY */ - struct qib_iovec sps_iov[4]; -}; - -/* - * Diagnostics can send a packet by "writing" the following - * structs to the diag data special file. - * This allows a custom - * pbc (+ static rate) qword, so that special modes and deliberate - * changes to CRCs can be used. The elements were also re-ordered - * for better alignment and to avoid padding issues. - */ -#define _DIAG_XPKT_VERS 3 -struct qib_diag_xpkt { - __u16 version; - __u16 unit; - __u16 port; - __u16 len; - __u64 data; - __u64 pbc_wd; -}; - -/* - * Data layout in I2C flash (for GUID, etc.) - * All fields are little-endian binary unless otherwise stated - */ -#define QIB_FLASH_VERSION 2 -struct qib_flash { - /* flash layout version (QIB_FLASH_VERSION) */ - __u8 if_fversion; - /* checksum protecting if_length bytes */ - __u8 if_csum; - /* - * valid length (in use, protected by if_csum), including - * if_fversion and if_csum themselves) - */ - __u8 if_length; - /* the GUID, in network order */ - __u8 if_guid[8]; - /* number of GUIDs to use, starting from if_guid */ - __u8 if_numguid; - /* the (last 10 characters of) board serial number, in ASCII */ - char if_serial[12]; - /* board mfg date (YYYYMMDD ASCII) */ - char if_mfgdate[8]; - /* last board rework/test date (YYYYMMDD ASCII) */ - char if_testdate[8]; - /* logging of error counts, TBD */ - __u8 if_errcntp[4]; - /* powered on hours, updated at driver unload */ - __u8 if_powerhour[2]; - /* ASCII free-form comment field */ - char if_comment[32]; - /* Backwards compatible prefix for longer QLogic Serial Numbers */ - char if_sprefix[4]; - /* 82 bytes used, min flash size is 128 bytes */ - __u8 if_future[46]; -}; - -/* - * These are the counters implemented in the chip, and are listed in order. - * The InterCaps naming is taken straight from the chip spec. - */ -struct qlogic_ib_counters { - __u64 LBIntCnt; - __u64 LBFlowStallCnt; - __u64 TxSDmaDescCnt; /* was Reserved1 */ - __u64 TxUnsupVLErrCnt; - __u64 TxDataPktCnt; - __u64 TxFlowPktCnt; - __u64 TxDwordCnt; - __u64 TxLenErrCnt; - __u64 TxMaxMinLenErrCnt; - __u64 TxUnderrunCnt; - __u64 TxFlowStallCnt; - __u64 TxDroppedPktCnt; - __u64 RxDroppedPktCnt; - __u64 RxDataPktCnt; - __u64 RxFlowPktCnt; - __u64 RxDwordCnt; - __u64 RxLenErrCnt; - __u64 RxMaxMinLenErrCnt; - __u64 RxICRCErrCnt; - __u64 RxVCRCErrCnt; - __u64 RxFlowCtrlErrCnt; - __u64 RxBadFormatCnt; - __u64 RxLinkProblemCnt; - __u64 RxEBPCnt; - __u64 RxLPCRCErrCnt; - __u64 RxBufOvflCnt; - __u64 RxTIDFullErrCnt; - __u64 RxTIDValidErrCnt; - __u64 RxPKeyMismatchCnt; - __u64 RxP0HdrEgrOvflCnt; - __u64 RxP1HdrEgrOvflCnt; - __u64 RxP2HdrEgrOvflCnt; - __u64 RxP3HdrEgrOvflCnt; - __u64 RxP4HdrEgrOvflCnt; - __u64 RxP5HdrEgrOvflCnt; - __u64 RxP6HdrEgrOvflCnt; - __u64 RxP7HdrEgrOvflCnt; - __u64 RxP8HdrEgrOvflCnt; - __u64 RxP9HdrEgrOvflCnt; - __u64 RxP10HdrEgrOvflCnt; - __u64 RxP11HdrEgrOvflCnt; - __u64 RxP12HdrEgrOvflCnt; - __u64 RxP13HdrEgrOvflCnt; - __u64 RxP14HdrEgrOvflCnt; - __u64 RxP15HdrEgrOvflCnt; - __u64 RxP16HdrEgrOvflCnt; - __u64 IBStatusChangeCnt; - __u64 IBLinkErrRecoveryCnt; - __u64 IBLinkDownedCnt; - __u64 IBSymbolErrCnt; - __u64 RxVL15DroppedPktCnt; - __u64 RxOtherLocalPhyErrCnt; - __u64 PcieRetryBufDiagQwordCnt; - __u64 ExcessBufferOvflCnt; - __u64 LocalLinkIntegrityErrCnt; - __u64 RxVlErrCnt; - __u64 RxDlidFltrCnt; -}; - -/* - * The next set of defines are for packet headers, and chip register - * and memory bits that are visible to and/or used by user-mode software. - */ - -/* RcvHdrFlags bits */ -#define QLOGIC_IB_RHF_LENGTH_MASK 0x7FF -#define QLOGIC_IB_RHF_LENGTH_SHIFT 0 -#define QLOGIC_IB_RHF_RCVTYPE_MASK 0x7 -#define QLOGIC_IB_RHF_RCVTYPE_SHIFT 11 -#define QLOGIC_IB_RHF_EGRINDEX_MASK 0xFFF -#define QLOGIC_IB_RHF_EGRINDEX_SHIFT 16 -#define QLOGIC_IB_RHF_SEQ_MASK 0xF -#define QLOGIC_IB_RHF_SEQ_SHIFT 0 -#define QLOGIC_IB_RHF_HDRQ_OFFSET_MASK 0x7FF -#define QLOGIC_IB_RHF_HDRQ_OFFSET_SHIFT 4 -#define QLOGIC_IB_RHF_H_ICRCERR 0x80000000 -#define QLOGIC_IB_RHF_H_VCRCERR 0x40000000 -#define QLOGIC_IB_RHF_H_PARITYERR 0x20000000 -#define QLOGIC_IB_RHF_H_LENERR 0x10000000 -#define QLOGIC_IB_RHF_H_MTUERR 0x08000000 -#define QLOGIC_IB_RHF_H_IHDRERR 0x04000000 -#define QLOGIC_IB_RHF_H_TIDERR 0x02000000 -#define QLOGIC_IB_RHF_H_MKERR 0x01000000 -#define QLOGIC_IB_RHF_H_IBERR 0x00800000 -#define QLOGIC_IB_RHF_H_ERR_MASK 0xFF800000 -#define QLOGIC_IB_RHF_L_USE_EGR 0x80000000 -#define QLOGIC_IB_RHF_L_SWA 0x00008000 -#define QLOGIC_IB_RHF_L_SWB 0x00004000 - -/* qlogic_ib header fields */ -#define QLOGIC_IB_I_VERS_MASK 0xF -#define QLOGIC_IB_I_VERS_SHIFT 28 -#define QLOGIC_IB_I_CTXT_MASK 0xF -#define QLOGIC_IB_I_CTXT_SHIFT 24 -#define QLOGIC_IB_I_TID_MASK 0x7FF -#define QLOGIC_IB_I_TID_SHIFT 13 -#define QLOGIC_IB_I_OFFSET_MASK 0x1FFF -#define QLOGIC_IB_I_OFFSET_SHIFT 0 - -/* K_PktFlags bits */ -#define QLOGIC_IB_KPF_INTR 0x1 -#define QLOGIC_IB_KPF_SUBCTXT_MASK 0x3 -#define QLOGIC_IB_KPF_SUBCTXT_SHIFT 1 - -#define QLOGIC_IB_MAX_SUBCTXT 4 - -/* SendPIO per-buffer control */ -#define QLOGIC_IB_SP_TEST 0x40 -#define QLOGIC_IB_SP_TESTEBP 0x20 -#define QLOGIC_IB_SP_TRIGGER_SHIFT 15 - -/* SendPIOAvail bits */ -#define QLOGIC_IB_SENDPIOAVAIL_BUSY_SHIFT 1 -#define QLOGIC_IB_SENDPIOAVAIL_CHECK_SHIFT 0 - -/* qlogic_ib header format */ -struct qib_header { - /* - * Version - 4 bits, Context - 4 bits, TID - 10 bits and Offset - - * 14 bits before ECO change ~28 Dec 03. After that, Vers 4, - * Context 4, TID 11, offset 13. - */ - __le32 ver_ctxt_tid_offset; - __le16 chksum; - __le16 pkt_flags; -}; - -/* - * qlogic_ib user message header format. - * This structure contains the first 4 fields common to all protocols - * that employ qlogic_ib. - */ -struct qib_message_header { - __be16 lrh[4]; - __be32 bth[3]; - /* fields below this point are in host byte order */ - struct qib_header iph; - /* fields below are simplified, but should match PSM */ - /* some are accessed by driver when packet spliting is needed */ - __u8 sub_opcode; - __u8 flags; - __u16 commidx; - __u32 ack_seq_num; - __u8 flowid; - __u8 hdr_dlen; - __u16 mqhdr; - __u32 uwords[4]; -}; - -/* sequence number bits for message */ -union qib_seqnum { - struct { - __u32 seq:11; - __u32 gen:8; - __u32 flow:5; - }; - struct { - __u32 pkt:16; - __u32 msg:8; - }; - __u32 val; -}; - -/* qib receiving-dma tid-session-member */ -struct qib_tid_session_member { - __u16 tid; - __u16 offset; - __u16 length; -}; - -/* IB - LRH header consts */ -#define QIB_LRH_GRH 0x0003 /* 1. word of IB LRH - next header: GRH */ -#define QIB_LRH_BTH 0x0002 /* 1. word of IB LRH - next header: BTH */ - -/* misc. */ -#define SIZE_OF_CRC 1 - -#define QIB_DEFAULT_P_KEY 0xFFFF -#define QIB_PSN_MASK 0xFFFFFF -#define QIB_EAGER_TID_ID QLOGIC_IB_I_TID_MASK -#define QIB_MULTICAST_QPN 0xFFFFFF - -/* Receive Header Queue: receive type (from qlogic_ib) */ -#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 - -#define QIB_HEADER_QUEUE_WORDS 9 - -/* functions for extracting fields from rcvhdrq entries for the driver. - */ -static inline __u32 qib_hdrget_err_flags(const __le32 *rbuf) -{ - return __le32_to_cpu(rbuf[1]) & QLOGIC_IB_RHF_H_ERR_MASK; -} - -static inline __u32 qib_hdrget_rcv_type(const __le32 *rbuf) -{ - return (__le32_to_cpu(rbuf[0]) >> QLOGIC_IB_RHF_RCVTYPE_SHIFT) & - QLOGIC_IB_RHF_RCVTYPE_MASK; -} - -static inline __u32 qib_hdrget_length_in_bytes(const __le32 *rbuf) -{ - return ((__le32_to_cpu(rbuf[0]) >> QLOGIC_IB_RHF_LENGTH_SHIFT) & - QLOGIC_IB_RHF_LENGTH_MASK) << 2; -} - -static inline __u32 qib_hdrget_index(const __le32 *rbuf) -{ - return (__le32_to_cpu(rbuf[0]) >> QLOGIC_IB_RHF_EGRINDEX_SHIFT) & - QLOGIC_IB_RHF_EGRINDEX_MASK; -} - -static inline __u32 qib_hdrget_seq(const __le32 *rbuf) -{ - return (__le32_to_cpu(rbuf[1]) >> QLOGIC_IB_RHF_SEQ_SHIFT) & - QLOGIC_IB_RHF_SEQ_MASK; -} - -static inline __u32 qib_hdrget_offset(const __le32 *rbuf) -{ - return (__le32_to_cpu(rbuf[1]) >> QLOGIC_IB_RHF_HDRQ_OFFSET_SHIFT) & - QLOGIC_IB_RHF_HDRQ_OFFSET_MASK; -} - -static inline __u32 qib_hdrget_use_egr_buf(const __le32 *rbuf) -{ - return __le32_to_cpu(rbuf[0]) & QLOGIC_IB_RHF_L_USE_EGR; -} -#endif /* _QIB_COMMON_H */ |