1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_NXGE_NXGE_HIO_H 28 #define _SYS_NXGE_NXGE_HIO_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #include <nxge_mac.h> 35 #include <nxge_ipp.h> 36 #include <nxge_fflp.h> 37 #include <sys/mac.h> 38 #if defined(sun4v) 39 #include <sys/vnet_res.h> 40 #endif 41 42 #define isLDOMservice(nxge) \ 43 (nxge->environs == SOLARIS_SERVICE_DOMAIN) 44 #define isLDOMguest(nxge) \ 45 (nxge->environs == SOLARIS_GUEST_DOMAIN) 46 #define isLDOMs(nxge) \ 47 (isLDOMservice(nxge) || isLDOMguest(nxge)) 48 49 /* ------------------------------------------------------------------ */ 50 typedef uint8_t nx_rdc_t; 51 typedef uint8_t nx_tdc_t; 52 53 typedef uint64_t res_map_t; 54 55 typedef uint64_t hv_rv_t; 56 57 typedef hv_rv_t (*vr_assign)(uint64_t, uint64_t, uint32_t *); 58 typedef hv_rv_t (*vr_unassign)(uint32_t); 59 typedef hv_rv_t (*vr_getinfo)(uint32_t, uint64_t *, uint64_t *); 60 61 62 typedef struct { 63 vr_assign assign; 64 vr_unassign unassign; 65 vr_getinfo getinfo; 66 67 } nxhv_vr_fp_t; 68 69 typedef hv_rv_t (*vrlp_conf)(uint64_t, uint64_t, uint64_t, uint64_t); 70 typedef hv_rv_t (*vrlp_info)(uint64_t, uint64_t, uint64_t *, uint64_t *); 71 72 typedef hv_rv_t (*dc_assign)(uint32_t, uint64_t, uint64_t *); 73 typedef hv_rv_t (*dc_unassign)(uint32_t, uint64_t); 74 typedef hv_rv_t (*dc_getstate)(uint32_t, uint64_t, uint64_t *); 75 typedef hv_rv_t (*dc_get_map)(uint32_t, uint64_t *); 76 77 typedef hv_rv_t (*dc_getinfo)(uint32_t, uint64_t, uint64_t *, uint64_t *); 78 79 typedef struct { 80 dc_assign assign; 81 dc_unassign unassign; 82 dc_getstate getstate; 83 dc_get_map get_map; 84 85 vrlp_conf lp_conf; 86 vrlp_info lp_info; 87 88 dc_getinfo getinfo; 89 } nxhv_dc_fp_t; 90 91 #if defined(sun4v) 92 typedef struct { 93 vio_net_resource_reg_t __register; 94 vio_net_resource_unreg_t unregister; 95 96 vio_net_callbacks_t cb; 97 98 } nx_vio_fp_t; 99 #endif 100 101 typedef struct { 102 boolean_t ldoms; 103 104 nxhv_vr_fp_t vr; 105 nxhv_dc_fp_t tx; 106 nxhv_dc_fp_t rx; 107 108 #if defined(sun4v) 109 nx_vio_fp_t vio; 110 #endif 111 112 } nxhv_fp_t; 113 114 /* ------------------------------------------------------------------ */ 115 #define NXGE_VR_SR_MAX 8 /* There are 8 subregions (SR). */ 116 117 typedef enum { 118 119 NXGE_HIO_TYPE_SERVICE, /* We are a service domain driver. */ 120 NXGE_HIO_TYPE_GUEST /* We are a guest domain driver. */ 121 122 } nxge_hio_type_t; 123 124 typedef enum { 125 FUNC0_MNT, 126 FUNC0_VIR = 0x1000000, 127 FUNC1_MNT = 0x2000000, 128 FUNC1_VIR = 0x3000000, 129 FUNC2_MNT = 0x4000000, 130 FUNC2_VIR = 0x5000000, 131 FUNC3_MNT = 0x6000000, 132 FUNC3_VIR = 0x7000000 133 134 } vr_base_address_t; 135 136 #define VR_STEP 0x2000000 137 #define VR_VC_STEP 0x0004000 138 139 typedef enum { /* 0-8 */ 140 FUNC0_VIR0, 141 FUNC0_VIR1, 142 FUNC1_VIR0, 143 FUNC1_VIR1, 144 FUNC2_VIR0, 145 FUNC2_VIR1, 146 FUNC3_VIR0, 147 FUNC3_VIR1, 148 FUNC_VIR_MAX 149 150 } vr_region_t; 151 152 typedef enum { 153 VP_CHANNEL_0, 154 VP_CHANNEL_1, 155 VP_CHANNEL_2, 156 VP_CHANNEL_3, 157 VP_CHANNEL_4, 158 VP_CHANNEL_5, 159 VP_CHANNEL_6, 160 VP_CHANNEL_7, 161 VP_CHANNEL_MAX 162 163 } vp_channel_t; 164 165 typedef enum { 166 VP_BOUND_TX, 167 VP_BOUND_RX 168 169 } vpc_type_t; 170 171 #define VP_VC_OFFSET(channel) (channel << 10) 172 #define VP_RDC_OFFSET (1 << 9) 173 174 typedef enum { 175 RXDMA_CFIG1 = 0, 176 RXDMA_CFIG2 = 8, 177 RBR_CFIG_A = 0x10, 178 RBR_CFIG_B = 0x18, 179 RBR_KICK = 0x20, 180 RBR_STAT = 0x28, 181 RBR_HDH = 0x30, 182 RBR_HDL = 0x38, 183 RCRCFIG_A = 0x40, 184 RCRCFIG_B = 0x48, 185 RCRSTAT_A = 0x50, 186 RCRSTAT_B = 0x58, 187 RCRSTAT_C = 0x60, 188 RX_DMA_ENT_MSK = 0x68, 189 RX_DMA_CTL_STAT = 0x70, 190 RCR_FLSH = 0x78, 191 RXMISC = 0x90, 192 RX_DMA_CTL_STAT_DBG = 0x98 193 194 } rdc_csr_offset_t; 195 196 typedef enum { 197 Tx_RNG_CFIG = 0, 198 Tx_RNG_HDL = 0x10, 199 Tx_RNG_KICK = 0x18, 200 Tx_ENT_MASK = 0x20, 201 Tx_CS = 0x28, 202 TxDMA_MBH = 0x30, 203 TxDMA_MBL = 0x38, 204 TxDMA_PRE_ST = 0x40, 205 Tx_RNG_ERR_LOGH = 0x48, 206 Tx_RNG_ERR_LOGL = 0x50, 207 TDMC_INTR_DBG = 0x60, 208 Tx_CS_DBG = 0x68 209 210 } tdc_csr_offset_t; 211 212 /* 213 * ------------------------------------------------------------- 214 * These definitions are used to handle the virtual PIO_LDSV 215 * space of a VR. 216 * ------------------------------------------------------------- 217 */ 218 #define VLDG_OFFSET 0x2000 219 #define VLDG_SLL 5 220 221 typedef enum { 222 PIO_LDSV0, /* ldf_0, 0-63 */ 223 PIO_LDSV1, /* ldf_1, 0-63 */ 224 PIO_LDSV2, /* ldf_0 & ldf_1, 64-69 */ 225 PIO_LDGIMGN /* arm/timer */ 226 227 } pio_ld_op_t; 228 229 #define VR_INTR_BLOCK_SIZE 8 230 #define HIO_INTR_BLOCK_SIZE 4 231 232 /* ------------------------------------------------------------------ */ 233 typedef struct { 234 const char *name; 235 int offset; 236 } dmc_reg_name_t; 237 238 typedef struct { 239 uintptr_t nxge; 240 dc_map_t map; 241 242 } nx_rdc_tbl_t; 243 244 typedef struct nxge_hio_vr { 245 uintptr_t nxge; 246 247 uint32_t cookie; /* The HV cookie. */ 248 uintptr_t address; 249 size_t size; 250 vr_region_t region; /* 1 of 8 regions. */ 251 252 int rdc_tbl; /* 1 of 8 RDC tables. */ 253 ether_addr_t altmac; /* The alternate MAC address. */ 254 mac_addr_slot_t slot; /* According to nxge_m_mmac_add(). */ 255 256 #if defined(sun4v) 257 vio_net_handle_t vhp; /* The handle given to us by the vnet. */ 258 #endif 259 nxge_grp_t rx_group; 260 nxge_grp_t tx_group; 261 262 } nxge_hio_vr_t; 263 264 typedef nxge_status_t (*dc_init_t)(nxge_t *, int); 265 typedef void (*dc_uninit_t)(nxge_t *, int); 266 267 typedef struct { 268 uint32_t number; /* The LDG number assigned to this DC. */ 269 uint64_t index; /* Bits 7:5 of the (virtual) PIO_LDSV. */ 270 271 uint64_t ldsv; /* The logical device number */ 272 uint64_t map; /* Currently unused */ 273 274 int vector; /* The DDI vector number (index) */ 275 276 } hio_ldg_t; 277 278 /* 279 * ------------------------------------------------------------- 280 * The service domain driver makes use of both <index>, the index 281 * into a VR's virtual page, and <channel>, the absolute channel 282 * number, what we will call here the physical channel number. 283 * 284 * The guest domain will set both fields to the same value, since 285 * it doesn't know any better. And if a service domain owns a 286 * DMA channel, it will also set both fields to the same value, 287 * since it is not using a VR per se. 288 * ------------------------------------------------------------- 289 */ 290 typedef struct nx_dc { 291 292 struct nx_dc *next; 293 294 nxge_hio_vr_t *vr; /* The VR belonged to. */ 295 296 vp_channel_t page; /* VP_CHANNEL_0 - VP_CHANNEL_7 */ 297 nxge_channel_t channel; /* 1 of 16/24 channels */ 298 /* 299 * <channel> has its normal meaning. <page> refers to the 300 * virtual page of the VR that <channel> has been bound to. 301 * Therefore, in the service domain, <page> & <channel> 302 * are almost always different. While in a guest domain, 303 * they are always the same. 304 */ 305 vpc_type_t type; /* VP_BOUND_XX */ 306 dc_init_t init; /* nxge_init_xxdma_channel() */ 307 dc_uninit_t uninit; /* nxge_uninit_xxdma_channel() */ 308 309 nxge_grp_t *group; /* The group belonged to. */ 310 uint32_t cookie; /* The HV cookie. */ 311 312 hio_ldg_t ldg; 313 boolean_t interrupting; /* Interrupt enabled? */ 314 315 } nxge_hio_dc_t; 316 317 typedef struct { 318 nxge_hio_type_t type; 319 320 kmutex_t lock; 321 int vrs; 322 unsigned sequence; 323 324 nxhv_fp_t hio; 325 326 /* vr[0] is reserved for the service domain. */ 327 nxge_hio_vr_t vr[NXGE_VR_SR_MAX]; /* subregion map */ 328 nxge_hio_dc_t rdc[NXGE_MAX_RDCS]; 329 nxge_hio_dc_t tdc[NXGE_MAX_TDCS]; 330 331 nx_rdc_tbl_t rdc_tbl[NXGE_MAX_RDC_GROUPS]; 332 333 } nxge_hio_data_t; 334 335 /* 336 * ------------------------------------------------------------- 337 * prototypes 338 * ------------------------------------------------------------- 339 */ 340 extern void nxge_get_environs(nxge_t *); 341 extern int nxge_hio_init(nxge_t *); 342 extern void nxge_hio_uninit(nxge_t *); 343 344 extern int nxge_dci_map(nxge_t *, vpc_type_t, int); 345 346 /* 347 * --------------------------------------------------------------------- 348 * These are the general-purpose DMA channel group functions. That is, 349 * these functions are used to manage groups of TDCs or RDCs in an HIO 350 * environment. 351 * 352 * But is also expected that in the future they will be able to manage 353 * Crossbow groups. 354 * --------------------------------------------------------------------- 355 */ 356 extern nxge_grp_t *nxge_grp_add(nxge_t *, nxge_grp_type_t); 357 extern void nxge_grp_remove(nxge_t *, nxge_grp_t *); 358 extern int nxge_grp_dc_add(nxge_t *, nxge_grp_t *, vpc_type_t, int); 359 extern void nxge_grp_dc_remove(nxge_t *, vpc_type_t, int); 360 extern nxge_hio_dc_t *nxge_grp_dc_find(nxge_t *, vpc_type_t, int); 361 362 extern void nxge_delay(int); 363 extern const char *nxge_ddi_perror(int); 364 365 /* 366 * --------------------------------------------------------------------- 367 * These are the Sun4v HIO function prototypes. 368 * --------------------------------------------------------------------- 369 */ 370 extern void nxge_hio_group_get(void *arg, mac_ring_type_t type, int group, 371 mac_group_info_t *infop, mac_group_handle_t ghdl); 372 extern int nxge_hio_share_alloc(void *arg, uint64_t cookie, uint64_t *rcookie, 373 mac_share_handle_t *shandle); 374 extern void nxge_hio_share_free(mac_share_handle_t shandle); 375 extern void nxge_hio_share_query(mac_share_handle_t shandle, 376 mac_ring_type_t type, uint32_t *rmin, uint32_t *rmax, uint64_t *rmap, 377 uint64_t *gnum); 378 379 /* nxge_hio_guest.c */ 380 extern void nxge_hio_unregister(nxge_t *); 381 382 extern int nxge_guest_regs_map(nxge_t *); 383 extern void nxge_guest_regs_map_free(nxge_t *); 384 385 extern int nxge_hio_vr_add(nxge_t *nxge); 386 extern int nxge_hio_vr_release(nxge_t *nxge); 387 388 extern nxge_status_t nxge_tdc_lp_conf(p_nxge_t, int); 389 extern nxge_status_t nxge_rdc_lp_conf(p_nxge_t, int); 390 391 extern void nxge_hio_start_timer(nxge_t *); 392 393 /* nxge_intr.c */ 394 extern nxge_status_t nxge_hio_intr_init(nxge_t *); 395 extern void nxge_hio_intr_uninit(nxge_t *); 396 397 extern nxge_status_t nxge_intr_add(nxge_t *, vpc_type_t, int); 398 extern nxge_status_t nxge_intr_remove(nxge_t *, vpc_type_t, int); 399 400 extern nxge_status_t nxge_hio_intr_add(nxge_t *, vpc_type_t, int); 401 extern nxge_status_t nxge_hio_intr_remove(nxge_t *, vpc_type_t, int); 402 403 extern nxge_status_t nxge_hio_intr_add(nxge_t *, vpc_type_t, int); 404 extern nxge_status_t nxge_hio_intr_rem(nxge_t *, int); 405 406 extern hv_rv_t nxge_hio_ldsv_add(nxge_t *, nxge_hio_dc_t *); 407 408 extern void nxge_hio_ldsv_im(nxge_t *, nxge_ldg_t *, pio_ld_op_t, uint64_t *); 409 extern void nxge_hio_ldgimgn(nxge_t *, nxge_ldg_t *); 410 411 /* nxge_hv.c */ 412 extern void nxge_hio_hv_init(nxge_t *); 413 414 /* nxge_mac.c */ 415 extern int nxge_hio_hostinfo_get_rdc_table(p_nxge_t); 416 extern int nxge_hio_hostinfo_init(nxge_t *, nxge_hio_vr_t *, ether_addr_t *); 417 extern void nxge_hio_hostinfo_uninit(nxge_t *, nxge_hio_vr_t *); 418 419 /* nxge_rxdma.c */ 420 extern nxge_status_t nxge_rx_poll(nxge_t *, int); 421 422 /* nxge_txdma.c */ 423 extern uint_t nxge_tx_poll(nxge_t *, int); 424 425 #ifdef __cplusplus 426 } 427 #endif 428 429 #endif /* _SYS_NXGE_NXGE_HIO_H */ 430