LXR linux/drivers/net/ethernet/ibm/ehea/ehea

   1/*
   2 *  linux/drivers/net/ethernet/ibm/ehea/ehea_phyp.h
   3 *
   4 *  eHEA ethernet device driver for IBM eServer System p
   5 *
   6 *  (C) Copyright IBM Corp. 2006
   7 *
   8 *  Authors:
   9 *       Christoph Raisch <raisch@de.ibm.com>
  10 *       Jan-Bernd Themann <themann@de.ibm.com>
  11 *       Thomas Klein <tklein@de.ibm.com>
  12 *
  13 *
  14 * This program is free software; you can redistribute it and/or modify
  15 * it under the terms of the GNU General Public License as published by
  16 * the Free Software Foundation; either version 2, or (at your option)
  17 * any later version.
  18 *
  19 * This program is distributed in the hope that it will be useful,
  20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 * GNU General Public License for more details.
  23 *
  24 * You should have received a copy of the GNU General Public License
  25 * along with this program; if not, write to the Free Software
  26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  27 */
  28
  29#ifndef __EHEA_PHYP_H__
  30#define __EHEA_PHYP_H__
  31
  32#include <linux/delay.h>
  33#include <asm/hvcall.h>
  34#include "ehea.h"
  35#include "ehea_hw.h"
  36
  37/* Some abbreviations used here:
  38 *
  39 * hcp_*  - structures, variables and functions releated to Hypervisor Calls
  40 */
  41
  42/* Number of pages which can be registered at once by H_REGISTER_HEA_RPAGES */
  43#define EHEA_MAX_RPAGE 512
  44
  45/* Notification Event Queue (NEQ) Entry bit masks */
  46#define NEQE_EVENT_CODE         EHEA_BMASK_IBM(2, 7)
  47#define NEQE_PORTNUM            EHEA_BMASK_IBM(32, 47)
  48#define NEQE_PORT_UP            EHEA_BMASK_IBM(16, 16)
  49#define NEQE_EXTSWITCH_PORT_UP  EHEA_BMASK_IBM(17, 17)
  50#define NEQE_EXTSWITCH_PRIMARY  EHEA_BMASK_IBM(18, 18)
  51#define NEQE_PLID               EHEA_BMASK_IBM(16, 47)
  52
  53/* Notification Event Codes */
  54#define EHEA_EC_PORTSTATE_CHG   0x30
  55#define EHEA_EC_ADAPTER_MALFUNC 0x32
  56#define EHEA_EC_PORT_MALFUNC    0x33
  57
  58/* Notification Event Log Register (NELR) bit masks */
  59#define NELR_PORT_MALFUNC       EHEA_BMASK_IBM(61, 61)
  60#define NELR_ADAPTER_MALFUNC    EHEA_BMASK_IBM(62, 62)
  61#define NELR_PORTSTATE_CHG      EHEA_BMASK_IBM(63, 63)
  62
  63static inline void hcp_epas_ctor(struct h_epas *epas, u64 paddr_kernel,
  64                                 u64 paddr_user)
  65{
  66        /* To support 64k pages we must round to 64k page boundary */
  67        epas->kernel.addr = ioremap((paddr_kernel & PAGE_MASK), PAGE_SIZE) +
  68                            (paddr_kernel & ~PAGE_MASK);
  69        epas->user.addr = paddr_user;
  70}
  71
  72static inline void hcp_epas_dtor(struct h_epas *epas)
  73{
  74        if (epas->kernel.addr)
  75                iounmap((void __iomem *)((u64)epas->kernel.addr & PAGE_MASK));
  76
  77        epas->user.addr = 0;
  78        epas->kernel.addr = 0;
  79}
  80
  81struct hcp_modify_qp_cb0 {
  82        u64 qp_ctl_reg;         /* 00 */
  83        u32 max_swqe;           /* 02 */
  84        u32 max_rwqe;           /* 03 */
  85        u32 port_nb;            /* 04 */
  86        u32 reserved0;          /* 05 */
  87        u64 qp_aer;             /* 06 */
  88        u64 qp_tenure;          /* 08 */
  89};
  90
  91/* Hcall Query/Modify Queue Pair Control Block 0 Selection Mask Bits */
  92#define H_QPCB0_ALL             EHEA_BMASK_IBM(0, 5)
  93#define H_QPCB0_QP_CTL_REG      EHEA_BMASK_IBM(0, 0)
  94#define H_QPCB0_MAX_SWQE        EHEA_BMASK_IBM(1, 1)
  95#define H_QPCB0_MAX_RWQE        EHEA_BMASK_IBM(2, 2)
  96#define H_QPCB0_PORT_NB         EHEA_BMASK_IBM(3, 3)
  97#define H_QPCB0_QP_AER          EHEA_BMASK_IBM(4, 4)
  98#define H_QPCB0_QP_TENURE       EHEA_BMASK_IBM(5, 5)
  99
 100/* Queue Pair Control Register Status Bits */
 101#define H_QP_CR_ENABLED             0x8000000000000000ULL /* QP enabled */
 102                                                          /* QP States: */
 103#define H_QP_CR_STATE_RESET         0x0000010000000000ULL /*  Reset */
 104#define H_QP_CR_STATE_INITIALIZED   0x0000020000000000ULL /*  Initialized */
 105#define H_QP_CR_STATE_RDY2RCV       0x0000030000000000ULL /*  Ready to recv */
 106#define H_QP_CR_STATE_RDY2SND       0x0000050000000000ULL /*  Ready to send */
 107#define H_QP_CR_STATE_ERROR         0x0000800000000000ULL /*  Error */
 108#define H_QP_CR_RES_STATE           0x0000007F00000000ULL /* Resultant state */
 109
 110struct hcp_modify_qp_cb1 {
 111        u32 qpn;                /* 00 */
 112        u32 qp_asyn_ev_eq_nb;   /* 01 */
 113        u64 sq_cq_handle;       /* 02 */
 114        u64 rq_cq_handle;       /* 04 */
 115        /* sgel = scatter gather element */
 116        u32 sgel_nb_sq;         /* 06 */
 117        u32 sgel_nb_rq1;        /* 07 */
 118        u32 sgel_nb_rq2;        /* 08 */
 119        u32 sgel_nb_rq3;        /* 09 */
 120};
 121
 122/* Hcall Query/Modify Queue Pair Control Block 1 Selection Mask Bits */
 123#define H_QPCB1_ALL             EHEA_BMASK_IBM(0, 7)
 124#define H_QPCB1_QPN             EHEA_BMASK_IBM(0, 0)
 125#define H_QPCB1_ASYN_EV_EQ_NB   EHEA_BMASK_IBM(1, 1)
 126#define H_QPCB1_SQ_CQ_HANDLE    EHEA_BMASK_IBM(2, 2)
 127#define H_QPCB1_RQ_CQ_HANDLE    EHEA_BMASK_IBM(3, 3)
 128#define H_QPCB1_SGEL_NB_SQ      EHEA_BMASK_IBM(4, 4)
 129#define H_QPCB1_SGEL_NB_RQ1     EHEA_BMASK_IBM(5, 5)
 130#define H_QPCB1_SGEL_NB_RQ2     EHEA_BMASK_IBM(6, 6)
 131#define H_QPCB1_SGEL_NB_RQ3     EHEA_BMASK_IBM(7, 7)
 132
 133struct hcp_query_ehea {
 134        u32 cur_num_qps;                /* 00 */
 135        u32 cur_num_cqs;                /* 01 */
 136        u32 cur_num_eqs;                /* 02 */
 137        u32 cur_num_mrs;                /* 03 */
 138        u32 auth_level;                 /* 04 */
 139        u32 max_num_qps;                /* 05 */
 140        u32 max_num_cqs;                /* 06 */
 141        u32 max_num_eqs;                /* 07 */
 142        u32 max_num_mrs;                /* 08 */
 143        u32 reserved0;                  /* 09 */
 144        u32 int_clock_freq;             /* 10 */
 145        u32 max_num_pds;                /* 11 */
 146        u32 max_num_addr_handles;       /* 12 */
 147        u32 max_num_cqes;               /* 13 */
 148        u32 max_num_wqes;               /* 14 */
 149        u32 max_num_sgel_rq1wqe;        /* 15 */
 150        u32 max_num_sgel_rq2wqe;        /* 16 */
 151        u32 max_num_sgel_rq3wqe;        /* 17 */
 152        u32 mr_page_size;               /* 18 */
 153        u32 reserved1;                  /* 19 */
 154        u64 max_mr_size;                /* 20 */
 155        u64 reserved2;                  /* 22 */
 156        u32 num_ports;                  /* 24 */
 157        u32 reserved3;                  /* 25 */
 158        u32 reserved4;                  /* 26 */
 159        u32 reserved5;                  /* 27 */
 160        u64 max_mc_mac;                 /* 28 */
 161        u64 ehea_cap;                   /* 30 */
 162        u32 max_isn_per_eq;             /* 32 */
 163        u32 max_num_neq;                /* 33 */
 164        u64 max_num_vlan_ids;           /* 34 */
 165        u32 max_num_port_group;         /* 36 */
 166        u32 max_num_phys_port;          /* 37 */
 167
 168};
 169
 170/* Hcall Query/Modify Port Control Block defines */
 171#define H_PORT_CB0       0
 172#define H_PORT_CB1       1
 173#define H_PORT_CB2       2
 174#define H_PORT_CB3       3
 175#define H_PORT_CB4       4
 176#define H_PORT_CB5       5
 177#define H_PORT_CB6       6
 178#define H_PORT_CB7       7
 179
 180struct hcp_ehea_port_cb0 {
 181        u64 port_mac_addr;
 182        u64 port_rc;
 183        u64 reserved0;
 184        u32 port_op_state;
 185        u32 port_speed;
 186        u32 ext_swport_op_state;
 187        u32 neg_tpf_prpf;
 188        u32 num_default_qps;
 189        u32 reserved1;
 190        u64 default_qpn_arr[16];
 191};
 192
 193/* Hcall Query/Modify Port Control Block 0 Selection Mask Bits */
 194#define H_PORT_CB0_ALL          EHEA_BMASK_IBM(0, 7)    /* Set all bits */
 195#define H_PORT_CB0_MAC          EHEA_BMASK_IBM(0, 0)    /* MAC address */
 196#define H_PORT_CB0_PRC          EHEA_BMASK_IBM(1, 1)    /* Port Recv Control */
 197#define H_PORT_CB0_DEFQPNARRAY  EHEA_BMASK_IBM(7, 7)    /* Default QPN Array */
 198
 199/*  Hcall Query Port: Returned port speed values */
 200#define H_SPEED_10M_H   1       /*  10 Mbps, Half Duplex */
 201#define H_SPEED_10M_F   2       /*  10 Mbps, Full Duplex */
 202#define H_SPEED_100M_H  3       /* 100 Mbps, Half Duplex */
 203#define H_SPEED_100M_F  4       /* 100 Mbps, Full Duplex */
 204#define H_SPEED_1G_F    6       /*   1 Gbps, Full Duplex */
 205#define H_SPEED_10G_F   8       /*  10 Gbps, Full Duplex */
 206
 207/* Port Receive Control Status Bits */
 208#define PXLY_RC_VALID           EHEA_BMASK_IBM(49, 49)
 209#define PXLY_RC_VLAN_XTRACT     EHEA_BMASK_IBM(50, 50)
 210#define PXLY_RC_TCP_6_TUPLE     EHEA_BMASK_IBM(51, 51)
 211#define PXLY_RC_UDP_6_TUPLE     EHEA_BMASK_IBM(52, 52)
 212#define PXLY_RC_TCP_3_TUPLE     EHEA_BMASK_IBM(53, 53)
 213#define PXLY_RC_TCP_2_TUPLE     EHEA_BMASK_IBM(54, 54)
 214#define PXLY_RC_LLC_SNAP        EHEA_BMASK_IBM(55, 55)
 215#define PXLY_RC_JUMBO_FRAME     EHEA_BMASK_IBM(56, 56)
 216#define PXLY_RC_FRAG_IP_PKT     EHEA_BMASK_IBM(57, 57)
 217#define PXLY_RC_TCP_UDP_CHKSUM  EHEA_BMASK_IBM(58, 58)
 218#define PXLY_RC_IP_CHKSUM       EHEA_BMASK_IBM(59, 59)
 219#define PXLY_RC_MAC_FILTER      EHEA_BMASK_IBM(60, 60)
 220#define PXLY_RC_UNTAG_FILTER    EHEA_BMASK_IBM(61, 61)
 221#define PXLY_RC_VLAN_TAG_FILTER EHEA_BMASK_IBM(62, 63)
 222
 223#define PXLY_RC_VLAN_FILTER     2
 224#define PXLY_RC_VLAN_PERM       0
 225
 226
 227#define H_PORT_CB1_ALL          0x8000000000000000ULL
 228
 229struct hcp_ehea_port_cb1 {
 230        u64 vlan_filter[64];
 231};
 232
 233#define H_PORT_CB2_ALL          0xFFE0000000000000ULL
 234
 235struct hcp_ehea_port_cb2 {
 236        u64 rxo;
 237        u64 rxucp;
 238        u64 rxufd;
 239        u64 rxuerr;
 240        u64 rxftl;
 241        u64 rxmcp;
 242        u64 rxbcp;
 243        u64 txo;
 244        u64 txucp;
 245        u64 txmcp;
 246        u64 txbcp;
 247};
 248
 249struct hcp_ehea_port_cb3 {
 250        u64 vlan_bc_filter[64];
 251        u64 vlan_mc_filter[64];
 252        u64 vlan_un_filter[64];
 253        u64 port_mac_hash_array[64];
 254};
 255
 256#define H_PORT_CB4_ALL          0xF000000000000000ULL
 257#define H_PORT_CB4_JUMBO        0x1000000000000000ULL
 258#define H_PORT_CB4_SPEED        0x8000000000000000ULL
 259
 260struct hcp_ehea_port_cb4 {
 261        u32 port_speed;
 262        u32 pause_frame;
 263        u32 ens_port_op_state;
 264        u32 jumbo_frame;
 265        u32 ens_port_wrap;
 266};
 267
 268/* Hcall Query/Modify Port Control Block 5 Selection Mask Bits */
 269#define H_PORT_CB5_RCU          0x0001000000000000ULL
 270#define PXS_RCU                 EHEA_BMASK_IBM(61, 63)
 271
 272struct hcp_ehea_port_cb5 {
 273        u64 prc;                /* 00 */
 274        u64 uaa;                /* 01 */
 275        u64 macvc;              /* 02 */
 276        u64 xpcsc;              /* 03 */
 277        u64 xpcsp;              /* 04 */
 278        u64 pcsid;              /* 05 */
 279        u64 xpcsst;             /* 06 */
 280        u64 pthlb;              /* 07 */
 281        u64 pthrb;              /* 08 */
 282        u64 pqu;                /* 09 */
 283        u64 pqd;                /* 10 */
 284        u64 prt;                /* 11 */
 285        u64 wsth;               /* 12 */
 286        u64 rcb;                /* 13 */
 287        u64 rcm;                /* 14 */
 288        u64 rcu;                /* 15 */
 289        u64 macc;               /* 16 */
 290        u64 pc;                 /* 17 */
 291        u64 pst;                /* 18 */
 292        u64 ducqpn;             /* 19 */
 293        u64 mcqpn;              /* 20 */
 294        u64 mma;                /* 21 */
 295        u64 pmc0h;              /* 22 */
 296        u64 pmc0l;              /* 23 */
 297        u64 lbc;                /* 24 */
 298};
 299
 300#define H_PORT_CB6_ALL  0xFFFFFE7FFFFF8000ULL
 301
 302struct hcp_ehea_port_cb6 {
 303        u64 rxo;                /* 00 */
 304        u64 rx64;               /* 01 */
 305        u64 rx65;               /* 02 */
 306        u64 rx128;              /* 03 */
 307        u64 rx256;              /* 04 */
 308        u64 rx512;              /* 05 */
 309        u64 rx1024;             /* 06 */
 310        u64 rxbfcs;             /* 07 */
 311        u64 rxime;              /* 08 */
 312        u64 rxrle;              /* 09 */
 313        u64 rxorle;             /* 10 */
 314        u64 rxftl;              /* 11 */
 315        u64 rxjab;              /* 12 */
 316        u64 rxse;               /* 13 */
 317        u64 rxce;               /* 14 */
 318        u64 rxrf;               /* 15 */
 319        u64 rxfrag;             /* 16 */
 320        u64 rxuoc;              /* 17 */
 321        u64 rxcpf;              /* 18 */
 322        u64 rxsb;               /* 19 */
 323        u64 rxfd;               /* 20 */
 324        u64 rxoerr;             /* 21 */
 325        u64 rxaln;              /* 22 */
 326        u64 ducqpn;             /* 23 */
 327        u64 reserved0;          /* 24 */
 328        u64 rxmcp;              /* 25 */
 329        u64 rxbcp;              /* 26 */
 330        u64 txmcp;              /* 27 */
 331        u64 txbcp;              /* 28 */
 332        u64 txo;                /* 29 */
 333        u64 tx64;               /* 30 */
 334        u64 tx65;               /* 31 */
 335        u64 tx128;              /* 32 */
 336        u64 tx256;              /* 33 */
 337        u64 tx512;              /* 34 */
 338        u64 tx1024;             /* 35 */
 339        u64 txbfcs;             /* 36 */
 340        u64 txcpf;              /* 37 */
 341        u64 txlf;               /* 38 */
 342        u64 txrf;               /* 39 */
 343        u64 txime;              /* 40 */
 344        u64 txsc;               /* 41 */
 345        u64 txmc;               /* 42 */
 346        u64 txsqe;              /* 43 */
 347        u64 txdef;              /* 44 */
 348        u64 txlcol;             /* 45 */
 349        u64 txexcol;            /* 46 */
 350        u64 txcse;              /* 47 */
 351        u64 txbor;              /* 48 */
 352};
 353
 354#define H_PORT_CB7_DUCQPN 0x8000000000000000ULL
 355
 356struct hcp_ehea_port_cb7 {
 357        u64 def_uc_qpn;
 358};
 359
 360u64 ehea_h_query_ehea_qp(const u64 adapter_handle,
 361                         const u8 qp_category,
 362                         const u64 qp_handle, const u64 sel_mask,
 363                         void *cb_addr);
 364
 365u64 ehea_h_modify_ehea_qp(const u64 adapter_handle,
 366                          const u8 cat,
 367                          const u64 qp_handle,
 368                          const u64 sel_mask,
 369                          void *cb_addr,
 370                          u64 *inv_attr_id,
 371                          u64 *proc_mask, u16 *out_swr, u16 *out_rwr);
 372
 373u64 ehea_h_alloc_resource_eq(const u64 adapter_handle,
 374                             struct ehea_eq_attr *eq_attr, u64 *eq_handle);
 375
 376u64 ehea_h_alloc_resource_cq(const u64 adapter_handle,
 377                             struct ehea_cq_attr *cq_attr,
 378                             u64 *cq_handle, struct h_epas *epas);
 379
 380u64 ehea_h_alloc_resource_qp(const u64 adapter_handle,
 381                             struct ehea_qp_init_attr *init_attr,
 382                             const u32 pd,
 383                             u64 *qp_handle, struct h_epas *h_epas);
 384
 385#define H_REG_RPAGE_PAGE_SIZE          EHEA_BMASK_IBM(48, 55)
 386#define H_REG_RPAGE_QT                 EHEA_BMASK_IBM(62, 63)
 387
 388u64 ehea_h_register_rpage(const u64 adapter_handle,
 389                          const u8 pagesize,
 390                          const u8 queue_type,
 391                          const u64 resource_handle,
 392                          const u64 log_pageaddr, u64 count);
 393
 394#define H_DISABLE_GET_EHEA_WQE_P  1
 395#define H_DISABLE_GET_SQ_WQE_P    2
 396#define H_DISABLE_GET_RQC         3
 397
 398u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle);
 399
 400#define FORCE_FREE 1
 401#define NORMAL_FREE 0
 402
 403u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle,
 404                         u64 force_bit);
 405
 406u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr,
 407                             const u64 length, const u32 access_ctrl,
 408                             const u32 pd, u64 *mr_handle, u32 *lkey);
 409
 410u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle,
 411                             const u8 pagesize, const u8 queue_type,
 412                             const u64 log_pageaddr, const u64 count);
 413
 414u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle,
 415                        const u64 vaddr_in, const u32 access_ctrl, const u32 pd,
 416                        struct ehea_mr *mr);
 417
 418u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr);
 419
 420/* output param R5 */
 421#define H_MEHEAPORT_CAT         EHEA_BMASK_IBM(40, 47)
 422#define H_MEHEAPORT_PN          EHEA_BMASK_IBM(48, 63)
 423
 424u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num,
 425                           const u8 cb_cat, const u64 select_mask,
 426                           void *cb_addr);
 427
 428u64 ehea_h_modify_ehea_port(const u64 adapter_handle, const u16 port_num,
 429                            const u8 cb_cat, const u64 select_mask,
 430                            void *cb_addr);
 431
 432#define H_REGBCMC_PN            EHEA_BMASK_IBM(48, 63)
 433#define H_REGBCMC_REGTYPE       EHEA_BMASK_IBM(60, 63)
 434#define H_REGBCMC_MACADDR       EHEA_BMASK_IBM(16, 63)
 435#define H_REGBCMC_VLANID        EHEA_BMASK_IBM(52, 63)
 436
 437u64 ehea_h_reg_dereg_bcmc(const u64 adapter_handle, const u16 port_num,
 438                          const u8 reg_type, const u64 mc_mac_addr,
 439                          const u16 vlan_id, const u32 hcall_id);
 440
 441u64 ehea_h_reset_events(const u64 adapter_handle, const u64 neq_handle,
 442                        const u64 event_mask);
 443
 444u64 ehea_h_error_data(const u64 adapter_handle, const u64 ressource_handle,
 445                      void *rblock);
 446
 447#endif  /* __EHEA_PHYP_H__ */
 448