X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Finfiniband%2Fhw%2Fipath%2Fipath_common.h;h=10c008f22ba6947b9a5cf9c9d75f5cb976651452;hb=569b87b47f906d65ee35d6ecc4767f20a6390b9b;hp=48a55247b832df8b4aa08a2595b6f32814b357d0;hpb=e44e20ff1273cf96c7f195297208f654c49295cf;p=linux-2.6-omap-h63xx.git diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h index 48a55247b83..10c008f22ba 100644 --- a/drivers/infiniband/hw/ipath/ipath_common.h +++ b/drivers/infiniband/hw/ipath/ipath_common.h @@ -1,4 +1,5 @@ /* + * Copyright (c) 2006, 2007 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 @@ -38,7 +39,8 @@ * to communicate between kernel and user code. */ -/* This is the IEEE-assigned OUI for PathScale, Inc. */ + +/* This is the IEEE-assigned OUI for QLogic Inc. InfiniPath */ #define IPATH_SRC_OUI_1 0x00 #define IPATH_SRC_OUI_2 0x11 #define IPATH_SRC_OUI_3 0x75 @@ -76,6 +78,8 @@ #define IPATH_IB_LINKINIT 3 #define IPATH_IB_LINKDOWN_SLEEP 4 #define IPATH_IB_LINKDOWN_DISABLE 5 +#define IPATH_IB_LINK_LOOPBACK 6 /* enable local loopback */ +#define IPATH_IB_LINK_EXTERNAL 7 /* normal, disable local loopback */ /* * stats maintained by the driver. For now, at least, this is global @@ -96,17 +100,17 @@ struct infinipath_stats { __u64 sps_hwerrs; /* number of times IB link changed state unexpectedly */ __u64 sps_iblink; - /* no longer used; left for compatibility */ - __u64 sps_unused3; + /* kernel receive interrupts that didn't read intstat */ + __u64 sps_fastrcvint; /* number of kernel (port0) packets received */ __u64 sps_port0pkts; /* number of "ethernet" packets sent by driver */ __u64 sps_ether_spkts; /* number of "ethernet" packets received by driver */ __u64 sps_ether_rpkts; - /* number of SMA packets sent by driver */ + /* number of SMA packets sent by driver. Obsolete. */ __u64 sps_sma_spkts; - /* number of SMA packets received by driver */ + /* number of SMA packets received by driver. Obsolete. */ __u64 sps_sma_rpkts; /* number of times all ports rcvhdrq was full and packet dropped */ __u64 sps_hdrqfull; @@ -121,8 +125,7 @@ struct infinipath_stats { __u64 sps_ports; /* list of pkeys (other than default) accepted (0 means not set) */ __u16 sps_pkeys[4]; - /* lids for up to 4 infinipaths, indexed by infinipath # */ - __u16 sps_lid[4]; + __u16 sps_unused16[4]; /* available; maintaining compatible layout */ /* number of user ports per chip (not IB ports) */ __u32 sps_nports; /* not our interrupt, or already handled */ @@ -137,11 +140,10 @@ struct infinipath_stats { __u64 sps_pageunlocks; /* * Number of packets dropped in kernel other than errors (ether - * packets if ipath not configured, sma/mad, etc.) + * packets if ipath not configured, etc.) */ __u64 sps_krdrops; - /* mlids for up to 4 infinipaths, indexed by infinipath # */ - __u16 sps_mlid[4]; + __u64 sps_txeparity; /* PIO buffer parity error, recovered */ /* pad for future growth */ __u64 __sps_pad[45]; }; @@ -154,8 +156,6 @@ struct infinipath_stats { #define IPATH_STATUS_DISABLED 0x2 /* hardware disabled */ /* Device has been disabled via admin request */ #define IPATH_STATUS_ADMIN_DISABLED 0x4 -#define IPATH_STATUS_OIB_SMA 0x8 /* ipath_mad kernel SMA running */ -#define IPATH_STATUS_SMA 0x10 /* user SMA running */ /* Chip has been found and initted */ #define IPATH_STATUS_CHIP_PRESENT 0x20 /* IB link is at ACTIVE, usable for data traffic */ @@ -188,6 +188,9 @@ typedef enum _ipath_ureg { #define IPATH_RUNTIME_PCIE 0x2 #define IPATH_RUNTIME_FORCE_WC_ORDER 0x4 #define IPATH_RUNTIME_RCVHDR_COPY 0x8 +#define IPATH_RUNTIME_MASTER 0x10 +#define IPATH_RUNTIME_PBC_REWRITE 0x20 +#define IPATH_RUNTIME_LOOSE_DMA_ALIGN 0x40 /* * This structure is returned by ipath_userinit() immediately after @@ -205,7 +208,8 @@ struct ipath_base_info { /* version of software, for feature checking. */ __u32 spi_sw_version; /* InfiniPath port assigned, goes into sent packets */ - __u32 spi_port; + __u16 spi_port; + __u16 spi_subport; /* * IB MTU, packets IB data must be less than this. * The MTU is in bytes, and will be a multiple of 4 bytes. @@ -221,7 +225,7 @@ struct ipath_base_info { __u32 spi_tidcnt; /* size of the TID Eager list in infinipath, in entries */ __u32 spi_tidegrcnt; - /* size of a single receive header queue entry. */ + /* size of a single receive header queue entry in words. */ __u32 spi_rcvhdrent_size; /* * Count of receive header queue entries allocated. @@ -310,6 +314,21 @@ struct ipath_base_info { __u32 spi_rcv_egrchunksize; /* total size of mmap to cover full rcvegrbuffers */ __u32 spi_rcv_egrbuftotlen; + __u32 spi_filler_for_align; + /* address of readonly memory copy of the rcvhdrq tail register. */ + __u64 spi_rcvhdr_tailaddr; + + /* shared memory pages for subports if port is shared */ + __u64 spi_subport_uregbase; + __u64 spi_subport_rcvegrbuf; + __u64 spi_subport_rcvhdr_base; + + /* shared memory page for hardware port if it is shared */ + __u64 spi_port_uregbase; + __u64 spi_port_rcvegrbuf; + __u64 spi_port_rcvhdr_base; + __u64 spi_port_rcvhdr_tailaddr; + } __attribute__ ((aligned(8))); @@ -328,12 +347,12 @@ struct ipath_base_info { /* * Minor version differences are always compatible - * a within a major version, however if if user software is larger + * 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 + * cares, or it must abort after initialization reports the difference. */ -#define IPATH_USER_SWMINOR 2 +#define IPATH_USER_SWMINOR 5 #define IPATH_USER_SWVERSION ((IPATH_USER_SWMAJOR<<16) | IPATH_USER_SWMINOR) @@ -342,9 +361,9 @@ struct ipath_base_info { /* * 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 PathScale release, or from the driver from OpenIB, kernel.org, - * or a standard distribution, for support reasons. The high bit is 0 for - * non-PathScale, and 1 for PathScale-built/supplied. + * 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 ipath_base_info, so the user code can in turn @@ -380,12 +399,15 @@ struct ipath_user_info { __u32 spu_rcvhdrsize; /* - * cache line aligned (64 byte) user address to - * which the rcvhdrtail register will be written by infinipath - * whenever it changes, so that no chip registers are read in - * the performance path. + * If two or more processes wish to share a port, each process + * must set the spu_subport_cnt and spu_subport_id to the same + * values. The only restriction on the spu_subport_id is that + * it be unique for a given node. */ - __u64 spu_rcvhdraddr; + __u16 spu_subport_cnt; + __u16 spu_subport_id; + + __u32 spu_unused; /* kept for compatible layout */ /* * address of struct base_info to write to @@ -398,19 +420,28 @@ struct ipath_user_info { #define IPATH_CMD_MIN 16 -#define IPATH_CMD_USER_INIT 16 /* set up userspace */ +#define __IPATH_CMD_USER_INIT 16 /* old set up userspace (for old user code) */ #define IPATH_CMD_PORT_INFO 17 /* find out what resources we got */ #define IPATH_CMD_RECV_CTRL 18 /* control receipt of packets */ #define IPATH_CMD_TID_UPDATE 19 /* update expected TID entries */ #define IPATH_CMD_TID_FREE 20 /* free expected TID entries */ #define IPATH_CMD_SET_PART_KEY 21 /* add partition key */ +#define __IPATH_CMD_SLAVE_INFO 22 /* return info on slave processes (for old user code) */ +#define IPATH_CMD_ASSIGN_PORT 23 /* allocate HCA and port */ +#define IPATH_CMD_USER_INIT 24 /* set up userspace */ +#define IPATH_CMD_UNUSED_1 25 +#define IPATH_CMD_UNUSED_2 26 +#define IPATH_CMD_PIOAVAILUPD 27 /* force an update of PIOAvail reg */ -#define IPATH_CMD_MAX 21 +#define IPATH_CMD_MAX 27 struct ipath_port_info { __u32 num_active; /* number of active units */ __u32 unit; /* unit (chip) assigned to caller */ - __u32 port; /* port on unit assigned to caller */ + __u16 port; /* port on unit assigned to caller */ + __u16 subport; /* subport on unit assigned to caller */ + __u16 num_ports; /* number of ports available on unit */ + __u16 num_subports; /* number of subports opened on port */ }; struct ipath_tid_info { @@ -441,6 +472,8 @@ struct ipath_cmd { __u32 recv_ctrl; /* partition key to set */ __u16 part_key; + /* user address of __u32 bitmask of active slaves */ + __u64 slave_mask_addr; } cmd; }; @@ -469,19 +502,18 @@ struct __ipath_sendpkt { struct ipath_iovec sps_iov[4]; }; -/* Passed into SMA special file's ->read and ->write methods. */ -struct ipath_sma_pkt -{ - __u32 unit; /* unit on which to send packet */ - __u64 data; /* address of payload in userspace */ - __u32 len; /* length of payload */ +/* Passed into diag data special file's ->write method. */ +struct ipath_diag_pkt { + __u32 unit; + __u64 data; + __u32 len; }; /* * Data layout in I2C flash (for GUID, etc.) * All fields are little-endian binary unless otherwise stated */ -#define IPATH_FLASH_VERSION 1 +#define IPATH_FLASH_VERSION 2 struct ipath_flash { /* flash layout version (IPATH_FLASH_VERSION) */ __u8 if_fversion; @@ -489,14 +521,14 @@ struct ipath_flash { __u8 if_csum; /* * valid length (in use, protected by if_csum), including - * if_fversion and if_sum themselves) + * 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 board serial number, in ASCII */ + /* the (last 10 characters of) board serial number, in ASCII */ char if_serial[12]; /* board mfg date (YYYYMMDD ASCII) */ char if_mfgdate[8]; @@ -508,8 +540,10 @@ struct ipath_flash { __u8 if_powerhour[2]; /* ASCII free-form comment field */ char if_comment[32]; - /* 78 bytes used, min flash size is 128 bytes */ - __u8 if_future[50]; + /* 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]; }; /* @@ -601,16 +635,124 @@ struct infinipath_counters { /* K_PktFlags bits */ #define INFINIPATH_KPF_INTR 0x1 +#define INFINIPATH_KPF_SUBPORT_MASK 0x3 +#define INFINIPATH_KPF_SUBPORT_SHIFT 1 + +#define INFINIPATH_MAX_SUBPORT 4 /* SendPIO per-buffer control */ -#define INFINIPATH_SP_LENGTHP1_MASK 0x3FF -#define INFINIPATH_SP_LENGTHP1_SHIFT 0 -#define INFINIPATH_SP_INTR 0x80000000 -#define INFINIPATH_SP_TEST 0x40000000 -#define INFINIPATH_SP_TESTEBP 0x20000000 +#define INFINIPATH_SP_TEST 0x40 +#define INFINIPATH_SP_TESTEBP 0x20 /* SendPIOAvail bits */ #define INFINIPATH_SENDPIOAVAIL_BUSY_SHIFT 1 #define INFINIPATH_SENDPIOAVAIL_CHECK_SHIFT 0 +/* infinipath header format */ +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 4, TID 11, offset 13. + */ + __le32 ver_port_tid_offset; + __le16 chksum; + __le16 pkt_flags; +}; + +/* infinipath user message header format. + * This structure contains the first 4 fields common to all protocols + * that employ infinipath. + */ +struct ipath_message_header { + __be16 lrh[4]; + __be32 bth[3]; + /* fields below this point are in host byte order */ + struct ipath_header iph; + __u8 sub_opcode; +}; + +/* infinipath ethernet header format */ +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 */ +}; + + +/* IB - LRH header consts */ +#define IPATH_LRH_GRH 0x0003 /* 1. word of IB LRH - next header: GRH */ +#define IPATH_LRH_BTH 0x0002 /* 1. word of IB LRH - next header: BTH */ + +/* misc. */ +#define SIZE_OF_CRC 1 + +#define IPATH_DEFAULT_P_KEY 0xFFFF +#define IPATH_PERMISSIVE_LID 0xFFFF +#define IPATH_AETH_CREDIT_SHIFT 24 +#define IPATH_AETH_CREDIT_MASK 0x1F +#define IPATH_AETH_CREDIT_INVAL 0x1F +#define IPATH_PSN_MASK 0xFFFFFF +#define IPATH_MSN_MASK 0xFFFFFF +#define IPATH_QPN_MASK 0xFFFFFF +#define IPATH_MULTICAST_LID_BASE 0xC000 +#define IPATH_MULTICAST_QPN 0xFFFFFF + +/* 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 + + +/* sub OpCodes - ith4x */ +#define IPATH_ITH4X_OPCODE_ENCAP 0x81 +#define IPATH_ITH4X_OPCODE_LID_ARP 0x82 + +#define IPATH_HEADER_QUEUE_WORDS 9 + +/* functions for extracting fields from rcvhdrq entries for the driver. + */ +static inline __u32 ipath_hdrget_err_flags(const __le32 * rbuf) +{ + return __le32_to_cpu(rbuf[1]); +} + +static inline __u32 ipath_hdrget_rcv_type(const __le32 * rbuf) +{ + return (__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_RCVTYPE_SHIFT) + & INFINIPATH_RHF_RCVTYPE_MASK; +} + +static inline __u32 ipath_hdrget_length_in_bytes(const __le32 * rbuf) +{ + return ((__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_LENGTH_SHIFT) + & INFINIPATH_RHF_LENGTH_MASK) << 2; +} + +static inline __u32 ipath_hdrget_index(const __le32 * rbuf) +{ + return (__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_EGRINDEX_SHIFT) + & INFINIPATH_RHF_EGRINDEX_MASK; +} + +static inline __u32 ipath_hdrget_ipath_ver(__le32 hdrword) +{ + return (__le32_to_cpu(hdrword) >> INFINIPATH_I_VERS_SHIFT) + & INFINIPATH_I_VERS_MASK; +} + #endif /* _IPATH_COMMON_H */