drivers/net/ehea/ehea_phyp.h

   1 /*
   2  *  linux/drivers/net/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 #include "ehea_hcall.h"
  37
  38 /* Some abbreviations used here:
  39  *
  40  * hcp_*  - structures, variables and functions releated to Hypervisor Calls
  41  */
  42
  43 static inline u32 get_longbusy_msecs(int long_busy_ret_code)
  44 {
  45         switch (long_busy_ret_code) {
  46         case H_LONG_BUSY_ORDER_1_MSEC:
  47                 return 1;
  48         case H_LONG_BUSY_ORDER_10_MSEC:
  49                 return 10;
  50         case H_LONG_BUSY_ORDER_100_MSEC:
  51                 return 100;
  52         case H_LONG_BUSY_ORDER_1_SEC:
  53                 return 1000;
  54         case H_LONG_BUSY_ORDER_10_SEC:
  55                 return 10000;
  56         case H_LONG_BUSY_ORDER_100_SEC:
  57                 return 100000;
  58         default:
  59                 return 1;
  60         }
  61 }
  62
  63 /* Notification Event Queue (NEQ) Entry bit masks */
  64 #define NEQE_EVENT_CODE         EHEA_BMASK_IBM(2, 7)
  65 #define NEQE_PORTNUM            EHEA_BMASK_IBM(32, 47)
  66 #define NEQE_PORT_UP            EHEA_BMASK_IBM(16, 16)
  67 #define NEQE_EXTSWITCH_PORT_UP  EHEA_BMASK_IBM(17, 17)
  68 #define NEQE_EXTSWITCH_PRIMARY  EHEA_BMASK_IBM(18, 18)
  69 #define NEQE_PLID               EHEA_BMASK_IBM(16, 47)
  70
  71 /* Notification Event Codes */
  72 #define EHEA_EC_PORTSTATE_CHG   0x30
  73 #define EHEA_EC_ADAPTER_MALFUNC 0x32
  74 #define EHEA_EC_PORT_MALFUNC    0x33
  75
  76 /* Notification Event Log Register (NELR) bit masks */
  77 #define NELR_PORT_MALFUNC       EHEA_BMASK_IBM(61, 61)
  78 #define NELR_ADAPTER_MALFUNC    EHEA_BMASK_IBM(62, 62)
  79 #define NELR_PORTSTATE_CHG      EHEA_BMASK_IBM(63, 63)
  80
  81 static inline void hcp_epas_ctor(struct h_epas *epas, u64 paddr_kernel,
  82                                  u64 paddr_user)
  83 {
  84         /* To support 64k pages we must round to 64k page boundary */
  85         epas->kernel.addr = ioremap((paddr_kernel & PAGE_MASK), PAGE_SIZE) +
  86                             (paddr_kernel & ~PAGE_MASK);
  87         epas->user.addr = paddr_user;
  88 }
  89
  90 static inline void hcp_epas_dtor(struct h_epas *epas)
  91 {
  92         if (epas->kernel.addr)
  93                 iounmap((void __iomem*)((u64)epas->kernel.addr & PAGE_MASK));
  94
  95         epas->user.addr = 0;
  96         epas->kernel.addr = 0;
  97 }
  98
  99 struct hcp_modify_qp_cb0 {
 100         u64 qp_ctl_reg;         /* 00 */
 101         u32 max_swqe;           /* 02 */
 102         u32 max_rwqe;           /* 03 */
 103         u32 port_nb;            /* 04 */
 104         u32 reserved0;          /* 05 */
 105         u64 qp_aer;             /* 06 */
 106         u64 qp_tenure;          /* 08 */
 107 };
 108
 109 /* Hcall Query/Modify Queue Pair Control Block 0 Selection Mask Bits */
 110 #define H_QPCB0_ALL             EHEA_BMASK_IBM(0, 5)
 111 #define H_QPCB0_QP_CTL_REG      EHEA_BMASK_IBM(0, 0)
 112 #define H_QPCB0_MAX_SWQE        EHEA_BMASK_IBM(1, 1)
 113 #define H_QPCB0_MAX_RWQE        EHEA_BMASK_IBM(2, 2)
 114 #define H_QPCB0_PORT_NB         EHEA_BMASK_IBM(3, 3)
 115 #define H_QPCB0_QP_AER          EHEA_BMASK_IBM(4, 4)
 116 #define H_QPCB0_QP_TENURE       EHEA_BMASK_IBM(5, 5)
 117
 118 /* Queue Pair Control Register Status Bits */
 119 #define H_QP_CR_ENABLED             0x8000000000000000ULL /* QP enabled */
 120                                                           /* QP States: */
 121 #define H_QP_CR_STATE_RESET         0x0000010000000000ULL /*  Reset */
 122 #define H_QP_CR_STATE_INITIALIZED   0x0000020000000000ULL /*  Initialized */
 123 #define H_QP_CR_STATE_RDY2RCV       0x0000030000000000ULL /*  Ready to recv */
 124 #define H_QP_CR_STATE_RDY2SND       0x0000050000000000ULL /*  Ready to send */
 125 #define H_QP_CR_STATE_ERROR         0x0000800000000000ULL /*  Error */
 126
 127 struct hcp_modify_qp_cb1 {
 128         u32 qpn;                /* 00 */
 129         u32 qp_asyn_ev_eq_nb;   /* 01 */
 130         u64 sq_cq_handle;       /* 02 */
 131         u64 rq_cq_handle;       /* 04 */
 132         /* sgel = scatter gather element */
 133         u32 sgel_nb_sq;         /* 06 */
 134         u32 sgel_nb_rq1;        /* 07 */
 135         u32 sgel_nb_rq2;        /* 08 */
 136         u32 sgel_nb_rq3;        /* 09 */
 137 };
 138
 139 /* Hcall Query/Modify Queue Pair Control Block 1 Selection Mask Bits */
 140 #define H_QPCB1_ALL             EHEA_BMASK_IBM(0, 7)
 141 #define H_QPCB1_QPN             EHEA_BMASK_IBM(0, 0)
 142 #define H_QPCB1_ASYN_EV_EQ_NB   EHEA_BMASK_IBM(1, 1)
 143 #define H_QPCB1_SQ_CQ_HANDLE    EHEA_BMASK_IBM(2, 2)
 144 #define H_QPCB1_RQ_CQ_HANDLE    EHEA_BMASK_IBM(3, 3)
 145 #define H_QPCB1_SGEL_NB_SQ      EHEA_BMASK_IBM(4, 4)
 146 #define H_QPCB1_SGEL_NB_RQ1     EHEA_BMASK_IBM(5, 5)
 147 #define H_QPCB1_SGEL_NB_RQ2     EHEA_BMASK_IBM(6, 6)
 148 #define H_QPCB1_SGEL_NB_RQ3     EHEA_BMASK_IBM(7, 7)
 149
 150 struct hcp_query_ehea {
 151         u32 cur_num_qps;                /* 00 */
 152         u32 cur_num_cqs;                /* 01 */
 153         u32 cur_num_eqs;                /* 02 */
 154         u32 cur_num_mrs;                /* 03 */
 155         u32 auth_level;                 /* 04 */
 156         u32 max_num_qps;                /* 05 */
 157         u32 max_num_cqs;                /* 06 */
 158         u32 max_num_eqs;                /* 07 */
 159         u32 max_num_mrs;                /* 08 */
 160         u32 reserved0;                  /* 09 */
 161         u32 int_clock_freq;             /* 10 */
 162         u32 max_num_pds;                /* 11 */
 163         u32 max_num_addr_handles;       /* 12 */
 164         u32 max_num_cqes;               /* 13 */
 165         u32 max_num_wqes;               /* 14 */
 166         u32 max_num_sgel_rq1wqe;        /* 15 */
 167         u32 max_num_sgel_rq2wqe;        /* 16 */
 168         u32 max_num_sgel_rq3wqe;        /* 17 */
 169         u32 mr_page_size;               /* 18 */
 170         u32 reserved1;                  /* 19 */
 171         u64 max_mr_size;                /* 20 */
 172         u64 reserved2;                  /* 22 */
 173         u32 num_ports;                  /* 24 */
 174         u32 reserved3;                  /* 25 */
 175         u32 reserved4;                  /* 26 */
 176         u32 reserved5;                  /* 27 */
 177         u64 max_mc_mac;                 /* 28 */
 178         u64 ehea_cap;                   /* 30 */
 179         u32 max_isn_per_eq;             /* 32 */
 180         u32 max_num_neq;                /* 33 */
 181         u64 max_num_vlan_ids;           /* 34 */
 182         u32 max_num_port_group;         /* 36 */
 183         u32 max_num_phys_port;          /* 37 */
 184
 185 };
 186
 187 /* Hcall Query/Modify Port Control Block defines */
 188 #define H_PORT_CB0       0
 189 #define H_PORT_CB1       1
 190 #define H_PORT_CB2       2
 191 #define H_PORT_CB3       3
 192 #define H_PORT_CB4       4
 193 #define H_PORT_CB5       5
 194 #define H_PORT_CB6       6
 195 #define H_PORT_CB7       7
 196
 197 struct hcp_ehea_port_cb0 {
 198         u64 port_mac_addr;
 199         u64 port_rc;
 200         u64 reserved0;
 201         u32 port_op_state;
 202         u32 port_speed;
 203         u32 ext_swport_op_state;
 204         u32 neg_tpf_prpf;
 205         u32 num_default_qps;
 206         u32 reserved1;
 207         u64 default_qpn_arr[16];
 208 };
 209
 210 /* Hcall Query/Modify Port Control Block 0 Selection Mask Bits */
 211 #define H_PORT_CB0_ALL          EHEA_BMASK_IBM(0, 7)    /* Set all bits */
 212 #define H_PORT_CB0_MAC          EHEA_BMASK_IBM(0, 0)    /* MAC address */
 213 #define H_PORT_CB0_PRC          EHEA_BMASK_IBM(1, 1)    /* Port Recv Control */
 214 #define H_PORT_CB0_DEFQPNARRAY  EHEA_BMASK_IBM(7, 7)    /* Default QPN Array */
 215
 216 /*  Hcall Query Port: Returned port speed values */
 217 #define H_SPEED_10M_H   1       /*  10 Mbps, Half Duplex */
 218 #define H_SPEED_10M_F   2       /*  10 Mbps, Full Duplex */
 219 #define H_SPEED_100M_H  3       /* 100 Mbps, Half Duplex */
 220 #define H_SPEED_100M_F  4       /* 100 Mbps, Full Duplex */
 221 #define H_SPEED_1G_F    6       /*   1 Gbps, Full Duplex */
 222 #define H_SPEED_10G_F   8       /*  10 Gbps, Full Duplex */
 223
 224 /* Port Receive Control Status Bits */
 225 #define PXLY_RC_VALID           EHEA_BMASK_IBM(49, 49)
 226 #define PXLY_RC_VLAN_XTRACT     EHEA_BMASK_IBM(50, 50)
 227 #define PXLY_RC_TCP_6_TUPLE     EHEA_BMASK_IBM(51, 51)
 228 #define PXLY_RC_UDP_6_TUPLE     EHEA_BMASK_IBM(52, 52)
 229 #define PXLY_RC_TCP_3_TUPLE     EHEA_BMASK_IBM(53, 53)
 230 #define PXLY_RC_TCP_2_TUPLE     EHEA_BMASK_IBM(54, 54)
 231 #define PXLY_RC_LLC_SNAP        EHEA_BMASK_IBM(55, 55)
 232 #define PXLY_RC_JUMBO_FRAME     EHEA_BMASK_IBM(56, 56)
 233 #define PXLY_RC_FRAG_IP_PKT     EHEA_BMASK_IBM(57, 57)
 234 #define PXLY_RC_TCP_UDP_CHKSUM  EHEA_BMASK_IBM(58, 58)
 235 #define PXLY_RC_IP_CHKSUM       EHEA_BMASK_IBM(59, 59)
 236 #define PXLY_RC_MAC_FILTER      EHEA_BMASK_IBM(60, 60)
 237 #define PXLY_RC_UNTAG_FILTER    EHEA_BMASK_IBM(61, 61)
 238 #define PXLY_RC_VLAN_TAG_FILTER EHEA_BMASK_IBM(62, 63)
 239
 240 #define PXLY_RC_VLAN_FILTER     2
 241 #define PXLY_RC_VLAN_PERM       0
 242
 243
 244 #define H_PORT_CB1_ALL          0x8000000000000000ULL
 245
 246 struct hcp_ehea_port_cb1 {
 247         u64 vlan_filter[64];
 248 };
 249
 250 #define H_PORT_CB2_ALL          0xFFE0000000000000ULL
 251
 252 struct hcp_ehea_port_cb2 {
 253         u64 rxo;
 254         u64 rxucp;
 255         u64 rxufd;
 256         u64 rxuerr;
 257         u64 rxftl;
 258         u64 rxmcp;
 259         u64 rxbcp;
 260         u64 txo;
 261         u64 txucp;
 262         u64 txmcp;
 263         u64 txbcp;
 264 };
 265
 266 struct hcp_ehea_port_cb3 {
 267         u64 vlan_bc_filter[64];
 268         u64 vlan_mc_filter[64];
 269         u64 vlan_un_filter[64];
 270         u64 port_mac_hash_array[64];
 271 };
 272
 273 #define H_PORT_CB4_ALL          0xF000000000000000ULL
 274 #define H_PORT_CB4_JUMBO        0x1000000000000000ULL
 275 #define H_PORT_CB4_SPEED        0x8000000000000000ULL
 276
 277 struct hcp_ehea_port_cb4 {
 278         u32 port_speed;
 279         u32 pause_frame;
 280         u32 ens_port_op_state;
 281         u32 jumbo_frame;
 282         u32 ens_port_wrap;
 283 };
 284
 285 /* Hcall Query/Modify Port Control Block 5 Selection Mask Bits */
 286 #define H_PORT_CB5_RCU          0x0001000000000000ULL
 287 #define PXS_RCU                 EHEA_BMASK_IBM(61, 63)
 288
 289 struct hcp_ehea_port_cb5 {
 290         u64 prc;                /* 00 */
 291         u64 uaa;                /* 01 */
 292         u64 macvc;              /* 02 */
 293         u64 xpcsc;              /* 03 */
 294         u64 xpcsp;              /* 04 */
 295         u64 pcsid;              /* 05 */
 296         u64 xpcsst;             /* 06 */
 297         u64 pthlb;              /* 07 */
 298         u64 pthrb;              /* 08 */
 299         u64 pqu;                /* 09 */
 300         u64 pqd;                /* 10 */
 301         u64 prt;                /* 11 */
 302         u64 wsth;               /* 12 */
 303         u64 rcb;                /* 13 */
 304         u64 rcm;                /* 14 */
 305         u64 rcu;                /* 15 */
 306         u64 macc;               /* 16 */
 307         u64 pc;                 /* 17 */
 308         u64 pst;                /* 18 */
 309         u64 ducqpn;             /* 19 */
 310         u64 mcqpn;              /* 20 */
 311         u64 mma;                /* 21 */
 312         u64 pmc0h;              /* 22 */
 313         u64 pmc0l;              /* 23 */
 314         u64 lbc;                /* 24 */
 315 };
 316
 317 #define H_PORT_CB6_ALL  0xFFFFFE7FFFFF8000ULL
 318
 319 struct hcp_ehea_port_cb6 {
 320         u64 rxo;                /* 00 */
 321         u64 rx64;               /* 01 */
 322         u64 rx65;               /* 02 */
 323         u64 rx128;              /* 03 */
 324         u64 rx256;              /* 04 */
 325         u64 rx512;              /* 05 */
 326         u64 rx1024;             /* 06 */
 327         u64 rxbfcs;             /* 07 */
 328         u64 rxime;              /* 08 */
 329         u64 rxrle;              /* 09 */
 330         u64 rxorle;             /* 10 */
 331         u64 rxftl;              /* 11 */
 332         u64 rxjab;              /* 12 */
 333         u64 rxse;               /* 13 */
 334         u64 rxce;               /* 14 */
 335         u64 rxrf;               /* 15 */
 336         u64 rxfrag;             /* 16 */
 337         u64 rxuoc;              /* 17 */
 338         u64 rxcpf;              /* 18 */
 339         u64 rxsb;               /* 19 */
 340         u64 rxfd;               /* 20 */
 341         u64 rxoerr;             /* 21 */
 342         u64 rxaln;              /* 22 */
 343         u64 ducqpn;             /* 23 */
 344         u64 reserved0;          /* 24 */
 345         u64 rxmcp;              /* 25 */
 346         u64 rxbcp;              /* 26 */
 347         u64 txmcp;              /* 27 */
 348         u64 txbcp;              /* 28 */
 349         u64 txo;                /* 29 */
 350         u64 tx64;               /* 30 */
 351         u64 tx65;               /* 31 */
 352         u64 tx128;              /* 32 */
 353         u64 tx256;              /* 33 */
 354         u64 tx512;              /* 34 */
 355         u64 tx1024;             /* 35 */
 356         u64 txbfcs;             /* 36 */
 357         u64 txcpf;              /* 37 */
 358         u64 txlf;               /* 38 */
 359         u64 txrf;               /* 39 */
 360         u64 txime;              /* 40 */
 361         u64 txsc;               /* 41 */
 362         u64 txmc;               /* 42 */
 363         u64 txsqe;              /* 43 */
 364         u64 txdef;              /* 44 */
 365         u64 txlcol;             /* 45 */
 366         u64 txexcol;            /* 46 */
 367         u64 txcse;              /* 47 */
 368         u64 txbor;              /* 48 */
 369 };
 370
 371 #define H_PORT_CB7_DUCQPN 0x8000000000000000ULL
 372
 373 struct hcp_ehea_port_cb7 {
 374         u64 def_uc_qpn;
 375 };
 376
 377 u64 ehea_h_query_ehea_qp(const u64 adapter_handle,
 378                          const u8 qp_category,
 379                          const u64 qp_handle, const u64 sel_mask,
 380                          void *cb_addr);
 381
 382 u64 ehea_h_modify_ehea_qp(const u64 adapter_handle,
 383                           const u8 cat,
 384                           const u64 qp_handle,
 385                           const u64 sel_mask,
 386                           void *cb_addr,
 387                           u64 * inv_attr_id,
 388                           u64 * proc_mask, u16 * out_swr, u16 * out_rwr);
 389
 390 u64 ehea_h_alloc_resource_eq(const u64 adapter_handle,
 391                              struct ehea_eq_attr *eq_attr, u64 * eq_handle);
 392
 393 u64 ehea_h_alloc_resource_cq(const u64 adapter_handle,
 394                              struct ehea_cq_attr *cq_attr,
 395                              u64 * cq_handle, struct h_epas *epas);
 396
 397 u64 ehea_h_alloc_resource_qp(const u64 adapter_handle,
 398                              struct ehea_qp_init_attr *init_attr,
 399                              const u32 pd,
 400                              u64 * qp_handle, struct h_epas *h_epas);
 401
 402 #define H_REG_RPAGE_PAGE_SIZE          EHEA_BMASK_IBM(48,55)
 403 #define H_REG_RPAGE_QT                 EHEA_BMASK_IBM(62,63)
 404
 405 u64 ehea_h_register_rpage(const u64 adapter_handle,
 406                           const u8 pagesize,
 407                           const u8 queue_type,
 408                           const u64 resource_handle,
 409                           const u64 log_pageaddr, u64 count);
 410
 411 #define H_DISABLE_GET_EHEA_WQE_P  1
 412 #define H_DISABLE_GET_SQ_WQE_P    2
 413 #define H_DISABLE_GET_RQC         3
 414
 415 u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle);
 416
 417 u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle);
 418
 419 u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr,
 420                              const u64 length, const u32 access_ctrl,
 421                              const u32 pd, u64 * mr_handle, u32 * lkey);
 422
 423 u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle,
 424                              const u8 pagesize, const u8 queue_type,
 425                              const u64 log_pageaddr, const u64 count);
 426
 427 u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle,
 428                         const u64 vaddr_in, const u32 access_ctrl, const u32 pd,
 429                         struct ehea_mr *mr);
 430
 431 u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr);
 432
 433 /* output param R5 */
 434 #define H_MEHEAPORT_CAT         EHEA_BMASK_IBM(40,47)
 435 #define H_MEHEAPORT_PN          EHEA_BMASK_IBM(48,63)
 436
 437 u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num,
 438                            const u8 cb_cat, const u64 select_mask,
 439                            void *cb_addr);
 440
 441 u64 ehea_h_modify_ehea_port(const u64 adapter_handle, const u16 port_num,
 442                             const u8 cb_cat, const u64 select_mask,
 443                             void *cb_addr);
 444
 445 #define H_REGBCMC_PN            EHEA_BMASK_IBM(48, 63)
 446 #define H_REGBCMC_REGTYPE       EHEA_BMASK_IBM(61, 63)
 447 #define H_REGBCMC_MACADDR       EHEA_BMASK_IBM(16, 63)
 448 #define H_REGBCMC_VLANID        EHEA_BMASK_IBM(52, 63)
 449
 450 u64 ehea_h_reg_dereg_bcmc(const u64 adapter_handle, const u16 port_num,
 451                           const u8 reg_type, const u64 mc_mac_addr,
 452                           const u16 vlan_id, const u32 hcall_id);
 453
 454 u64 ehea_h_reset_events(const u64 adapter_handle, const u64 neq_handle,
 455                         const u64 event_mask);
 456
 457 #endif  /* __EHEA_PHYP_H__ */