1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ 2 /* Copyright(c) 2014 - 2020 Intel Corporation */ 3 #ifndef ADF_ACCEL_DEVICES_H_ 4 #define ADF_ACCEL_DEVICES_H_ 5 #include <linux/interrupt.h> 6 #include <linux/module.h> 7 #include <linux/list.h> 8 #include <linux/io.h> 9 #include <linux/pci.h> 10 #include <linux/ratelimit.h> 11 #include <linux/types.h> 12 #include <linux/qat/qat_mig_dev.h> 13 #include "adf_cfg_common.h" 14 #include "adf_rl.h" 15 #include "adf_telemetry.h" 16 #include "adf_pfvf_msg.h" 17 #include "icp_qat_hw.h" 18 19 #define ADF_DH895XCC_DEVICE_NAME "dh895xcc" 20 #define ADF_DH895XCCVF_DEVICE_NAME "dh895xccvf" 21 #define ADF_C62X_DEVICE_NAME "c6xx" 22 #define ADF_C62XVF_DEVICE_NAME "c6xxvf" 23 #define ADF_C3XXX_DEVICE_NAME "c3xxx" 24 #define ADF_C3XXXVF_DEVICE_NAME "c3xxxvf" 25 #define ADF_4XXX_DEVICE_NAME "4xxx" 26 #define ADF_420XX_DEVICE_NAME "420xx" 27 #define ADF_4XXX_PCI_DEVICE_ID 0x4940 28 #define ADF_4XXXIOV_PCI_DEVICE_ID 0x4941 29 #define ADF_401XX_PCI_DEVICE_ID 0x4942 30 #define ADF_401XXIOV_PCI_DEVICE_ID 0x4943 31 #define ADF_402XX_PCI_DEVICE_ID 0x4944 32 #define ADF_402XXIOV_PCI_DEVICE_ID 0x4945 33 #define ADF_420XX_PCI_DEVICE_ID 0x4946 34 #define ADF_420XXIOV_PCI_DEVICE_ID 0x4947 35 #define ADF_DEVICE_FUSECTL_OFFSET 0x40 36 #define ADF_DEVICE_LEGFUSE_OFFSET 0x4C 37 #define ADF_DEVICE_FUSECTL_MASK 0x80000000 38 #define ADF_PCI_MAX_BARS 3 39 #define ADF_DEVICE_NAME_LENGTH 32 40 #define ADF_ETR_MAX_RINGS_PER_BANK 16 41 #define ADF_MAX_MSIX_VECTOR_NAME 48 42 #define ADF_DEVICE_NAME_PREFIX "qat_" 43 44 enum adf_accel_capabilities { 45 ADF_ACCEL_CAPABILITIES_NULL = 0, 46 ADF_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC = 1, 47 ADF_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC = 2, 48 ADF_ACCEL_CAPABILITIES_CIPHER = 4, 49 ADF_ACCEL_CAPABILITIES_AUTHENTICATION = 8, 50 ADF_ACCEL_CAPABILITIES_COMPRESSION = 32, 51 ADF_ACCEL_CAPABILITIES_LZS_COMPRESSION = 64, 52 ADF_ACCEL_CAPABILITIES_RANDOM_NUMBER = 128 53 }; 54 55 struct adf_bar { 56 resource_size_t base_addr; 57 void __iomem *virt_addr; 58 resource_size_t size; 59 }; 60 61 struct adf_irq { 62 bool enabled; 63 char name[ADF_MAX_MSIX_VECTOR_NAME]; 64 }; 65 66 struct adf_accel_msix { 67 struct adf_irq *irqs; 68 u32 num_entries; 69 }; 70 71 struct adf_accel_pci { 72 struct pci_dev *pci_dev; 73 struct adf_accel_msix msix_entries; 74 struct adf_bar pci_bars[ADF_PCI_MAX_BARS]; 75 u8 revid; 76 u8 sku; 77 }; 78 79 enum dev_state { 80 DEV_DOWN = 0, 81 DEV_UP 82 }; 83 84 enum dev_sku_info { 85 DEV_SKU_1 = 0, 86 DEV_SKU_2, 87 DEV_SKU_3, 88 DEV_SKU_4, 89 DEV_SKU_VF, 90 DEV_SKU_UNKNOWN, 91 }; 92 93 enum ras_errors { 94 ADF_RAS_CORR, 95 ADF_RAS_UNCORR, 96 ADF_RAS_FATAL, 97 ADF_RAS_ERRORS, 98 }; 99 100 struct adf_error_counters { 101 atomic_t counter[ADF_RAS_ERRORS]; 102 bool sysfs_added; 103 bool enabled; 104 }; 105 get_sku_info(enum dev_sku_info info)106 static inline const char *get_sku_info(enum dev_sku_info info) 107 { 108 switch (info) { 109 case DEV_SKU_1: 110 return "SKU1"; 111 case DEV_SKU_2: 112 return "SKU2"; 113 case DEV_SKU_3: 114 return "SKU3"; 115 case DEV_SKU_4: 116 return "SKU4"; 117 case DEV_SKU_VF: 118 return "SKUVF"; 119 case DEV_SKU_UNKNOWN: 120 default: 121 break; 122 } 123 return "Unknown SKU"; 124 } 125 126 struct adf_hw_device_class { 127 const char *name; 128 const enum adf_device_type type; 129 u32 instances; 130 }; 131 132 struct arb_info { 133 u32 arb_cfg; 134 u32 arb_offset; 135 u32 wt2sam_offset; 136 }; 137 138 struct admin_info { 139 u32 admin_msg_ur; 140 u32 admin_msg_lr; 141 u32 mailbox_offset; 142 }; 143 144 struct ring_config { 145 u64 base; 146 u32 config; 147 u32 head; 148 u32 tail; 149 u32 reserved0; 150 }; 151 152 struct bank_state { 153 u32 ringstat0; 154 u32 ringstat1; 155 u32 ringuostat; 156 u32 ringestat; 157 u32 ringnestat; 158 u32 ringnfstat; 159 u32 ringfstat; 160 u32 ringcstat0; 161 u32 ringcstat1; 162 u32 ringcstat2; 163 u32 ringcstat3; 164 u32 iaintflagen; 165 u32 iaintflagreg; 166 u32 iaintflagsrcsel0; 167 u32 iaintflagsrcsel1; 168 u32 iaintcolen; 169 u32 iaintcolctl; 170 u32 iaintflagandcolen; 171 u32 ringexpstat; 172 u32 ringexpintenable; 173 u32 ringsrvarben; 174 u32 reserved0; 175 struct ring_config rings[ADF_ETR_MAX_RINGS_PER_BANK]; 176 }; 177 178 struct adf_hw_csr_ops { 179 u64 (*build_csr_ring_base_addr)(dma_addr_t addr, u32 size); 180 u32 (*read_csr_ring_head)(void __iomem *csr_base_addr, u32 bank, 181 u32 ring); 182 void (*write_csr_ring_head)(void __iomem *csr_base_addr, u32 bank, 183 u32 ring, u32 value); 184 u32 (*read_csr_ring_tail)(void __iomem *csr_base_addr, u32 bank, 185 u32 ring); 186 void (*write_csr_ring_tail)(void __iomem *csr_base_addr, u32 bank, 187 u32 ring, u32 value); 188 u32 (*read_csr_stat)(void __iomem *csr_base_addr, u32 bank); 189 u32 (*read_csr_uo_stat)(void __iomem *csr_base_addr, u32 bank); 190 u32 (*read_csr_e_stat)(void __iomem *csr_base_addr, u32 bank); 191 u32 (*read_csr_ne_stat)(void __iomem *csr_base_addr, u32 bank); 192 u32 (*read_csr_nf_stat)(void __iomem *csr_base_addr, u32 bank); 193 u32 (*read_csr_f_stat)(void __iomem *csr_base_addr, u32 bank); 194 u32 (*read_csr_c_stat)(void __iomem *csr_base_addr, u32 bank); 195 u32 (*read_csr_exp_stat)(void __iomem *csr_base_addr, u32 bank); 196 u32 (*read_csr_exp_int_en)(void __iomem *csr_base_addr, u32 bank); 197 void (*write_csr_exp_int_en)(void __iomem *csr_base_addr, u32 bank, 198 u32 value); 199 u32 (*read_csr_ring_config)(void __iomem *csr_base_addr, u32 bank, 200 u32 ring); 201 void (*write_csr_ring_config)(void __iomem *csr_base_addr, u32 bank, 202 u32 ring, u32 value); 203 dma_addr_t (*read_csr_ring_base)(void __iomem *csr_base_addr, u32 bank, 204 u32 ring); 205 void (*write_csr_ring_base)(void __iomem *csr_base_addr, u32 bank, 206 u32 ring, dma_addr_t addr); 207 u32 (*read_csr_int_en)(void __iomem *csr_base_addr, u32 bank); 208 void (*write_csr_int_en)(void __iomem *csr_base_addr, u32 bank, 209 u32 value); 210 u32 (*read_csr_int_flag)(void __iomem *csr_base_addr, u32 bank); 211 void (*write_csr_int_flag)(void __iomem *csr_base_addr, u32 bank, 212 u32 value); 213 u32 (*read_csr_int_srcsel)(void __iomem *csr_base_addr, u32 bank); 214 void (*write_csr_int_srcsel)(void __iomem *csr_base_addr, u32 bank); 215 void (*write_csr_int_srcsel_w_val)(void __iomem *csr_base_addr, 216 u32 bank, u32 value); 217 u32 (*read_csr_int_col_en)(void __iomem *csr_base_addr, u32 bank); 218 void (*write_csr_int_col_en)(void __iomem *csr_base_addr, u32 bank, 219 u32 value); 220 u32 (*read_csr_int_col_ctl)(void __iomem *csr_base_addr, u32 bank); 221 void (*write_csr_int_col_ctl)(void __iomem *csr_base_addr, u32 bank, 222 u32 value); 223 u32 (*read_csr_int_flag_and_col)(void __iomem *csr_base_addr, 224 u32 bank); 225 void (*write_csr_int_flag_and_col)(void __iomem *csr_base_addr, 226 u32 bank, u32 value); 227 u32 (*read_csr_ring_srv_arb_en)(void __iomem *csr_base_addr, u32 bank); 228 void (*write_csr_ring_srv_arb_en)(void __iomem *csr_base_addr, u32 bank, 229 u32 value); 230 u32 (*get_int_col_ctl_enable_mask)(void); 231 }; 232 233 struct adf_cfg_device_data; 234 struct adf_accel_dev; 235 struct adf_etr_data; 236 struct adf_etr_ring_data; 237 238 struct adf_ras_ops { 239 void (*enable_ras_errors)(struct adf_accel_dev *accel_dev); 240 void (*disable_ras_errors)(struct adf_accel_dev *accel_dev); 241 bool (*handle_interrupt)(struct adf_accel_dev *accel_dev, 242 bool *reset_required); 243 }; 244 245 struct adf_pfvf_ops { 246 int (*enable_comms)(struct adf_accel_dev *accel_dev); 247 u32 (*get_pf2vf_offset)(u32 i); 248 u32 (*get_vf2pf_offset)(u32 i); 249 void (*enable_vf2pf_interrupts)(void __iomem *pmisc_addr, u32 vf_mask); 250 void (*disable_all_vf2pf_interrupts)(void __iomem *pmisc_addr); 251 u32 (*disable_pending_vf2pf_interrupts)(void __iomem *pmisc_addr); 252 int (*send_msg)(struct adf_accel_dev *accel_dev, struct pfvf_message msg, 253 u32 pfvf_offset, struct mutex *csr_lock); 254 struct pfvf_message (*recv_msg)(struct adf_accel_dev *accel_dev, 255 u32 pfvf_offset, u8 compat_ver); 256 }; 257 258 struct adf_dc_ops { 259 void (*build_deflate_ctx)(void *ctx); 260 }; 261 262 struct qat_migdev_ops { 263 int (*init)(struct qat_mig_dev *mdev); 264 void (*cleanup)(struct qat_mig_dev *mdev); 265 void (*reset)(struct qat_mig_dev *mdev); 266 int (*open)(struct qat_mig_dev *mdev); 267 void (*close)(struct qat_mig_dev *mdev); 268 int (*suspend)(struct qat_mig_dev *mdev); 269 int (*resume)(struct qat_mig_dev *mdev); 270 int (*save_state)(struct qat_mig_dev *mdev); 271 int (*save_setup)(struct qat_mig_dev *mdev); 272 int (*load_state)(struct qat_mig_dev *mdev); 273 int (*load_setup)(struct qat_mig_dev *mdev, int size); 274 }; 275 276 struct adf_dev_err_mask { 277 u32 cppagentcmdpar_mask; 278 u32 parerr_ath_cph_mask; 279 u32 parerr_cpr_xlt_mask; 280 u32 parerr_dcpr_ucs_mask; 281 u32 parerr_pke_mask; 282 u32 parerr_wat_wcp_mask; 283 u32 ssmfeatren_mask; 284 }; 285 286 struct adf_hw_device_data { 287 struct adf_hw_device_class *dev_class; 288 u32 (*get_accel_mask)(struct adf_hw_device_data *self); 289 u32 (*get_ae_mask)(struct adf_hw_device_data *self); 290 u32 (*get_accel_cap)(struct adf_accel_dev *accel_dev); 291 u32 (*get_sram_bar_id)(struct adf_hw_device_data *self); 292 u32 (*get_misc_bar_id)(struct adf_hw_device_data *self); 293 u32 (*get_etr_bar_id)(struct adf_hw_device_data *self); 294 u32 (*get_num_aes)(struct adf_hw_device_data *self); 295 u32 (*get_num_accels)(struct adf_hw_device_data *self); 296 void (*get_arb_info)(struct arb_info *arb_csrs_info); 297 void (*get_admin_info)(struct admin_info *admin_csrs_info); 298 enum dev_sku_info (*get_sku)(struct adf_hw_device_data *self); 299 u16 (*get_ring_to_svc_map)(struct adf_accel_dev *accel_dev); 300 int (*alloc_irq)(struct adf_accel_dev *accel_dev); 301 void (*free_irq)(struct adf_accel_dev *accel_dev); 302 void (*enable_error_correction)(struct adf_accel_dev *accel_dev); 303 int (*init_admin_comms)(struct adf_accel_dev *accel_dev); 304 void (*exit_admin_comms)(struct adf_accel_dev *accel_dev); 305 int (*send_admin_init)(struct adf_accel_dev *accel_dev); 306 int (*start_timer)(struct adf_accel_dev *accel_dev); 307 void (*stop_timer)(struct adf_accel_dev *accel_dev); 308 void (*check_hb_ctrs)(struct adf_accel_dev *accel_dev); 309 uint32_t (*get_hb_clock)(struct adf_hw_device_data *self); 310 int (*measure_clock)(struct adf_accel_dev *accel_dev); 311 int (*init_arb)(struct adf_accel_dev *accel_dev); 312 void (*exit_arb)(struct adf_accel_dev *accel_dev); 313 const u32 *(*get_arb_mapping)(struct adf_accel_dev *accel_dev); 314 int (*init_device)(struct adf_accel_dev *accel_dev); 315 int (*enable_pm)(struct adf_accel_dev *accel_dev); 316 bool (*handle_pm_interrupt)(struct adf_accel_dev *accel_dev); 317 void (*disable_iov)(struct adf_accel_dev *accel_dev); 318 void (*configure_iov_threads)(struct adf_accel_dev *accel_dev, 319 bool enable); 320 void (*enable_ints)(struct adf_accel_dev *accel_dev); 321 void (*set_ssm_wdtimer)(struct adf_accel_dev *accel_dev); 322 int (*ring_pair_reset)(struct adf_accel_dev *accel_dev, u32 bank_nr); 323 int (*bank_state_save)(struct adf_accel_dev *accel_dev, u32 bank_number, 324 struct bank_state *state); 325 int (*bank_state_restore)(struct adf_accel_dev *accel_dev, 326 u32 bank_number, struct bank_state *state); 327 void (*reset_device)(struct adf_accel_dev *accel_dev); 328 void (*set_msix_rttable)(struct adf_accel_dev *accel_dev); 329 const char *(*uof_get_name)(struct adf_accel_dev *accel_dev, u32 obj_num); 330 u32 (*uof_get_num_objs)(struct adf_accel_dev *accel_dev); 331 int (*uof_get_obj_type)(struct adf_accel_dev *accel_dev, u32 obj_num); 332 u32 (*uof_get_ae_mask)(struct adf_accel_dev *accel_dev, u32 obj_num); 333 int (*get_rp_group)(struct adf_accel_dev *accel_dev, u32 ae_mask); 334 u32 (*get_ena_thd_mask)(struct adf_accel_dev *accel_dev, u32 obj_num); 335 int (*dev_config)(struct adf_accel_dev *accel_dev); 336 struct adf_pfvf_ops pfvf_ops; 337 struct adf_hw_csr_ops csr_ops; 338 struct adf_dc_ops dc_ops; 339 struct adf_ras_ops ras_ops; 340 struct adf_dev_err_mask dev_err_mask; 341 struct adf_rl_hw_data rl_data; 342 struct adf_tl_hw_data tl_data; 343 struct qat_migdev_ops vfmig_ops; 344 const char *fw_name; 345 const char *fw_mmp_name; 346 u32 fuses; 347 u32 straps; 348 u32 accel_capabilities_mask; 349 u32 extended_dc_capabilities; 350 u16 fw_capabilities; 351 u32 clock_frequency; 352 u32 instance_id; 353 u16 accel_mask; 354 u32 ae_mask; 355 u32 admin_ae_mask; 356 u16 tx_rings_mask; 357 u16 ring_to_svc_map; 358 u32 thd_to_arb_map[ICP_QAT_HW_AE_DELIMITER]; 359 u8 tx_rx_gap; 360 u8 num_banks; 361 u16 num_banks_per_vf; 362 u8 num_rings_per_bank; 363 u8 num_accel; 364 u8 num_logical_accel; 365 u8 num_engines; 366 u32 num_hb_ctrs; 367 u8 num_rps; 368 }; 369 370 /* CSR write macro */ 371 #define ADF_CSR_WR(csr_base, csr_offset, val) \ 372 __raw_writel(val, csr_base + csr_offset) 373 374 /* CSR read macro */ 375 #define ADF_CSR_RD(csr_base, csr_offset) __raw_readl(csr_base + csr_offset) 376 377 #define ADF_CFG_NUM_SERVICES 4 378 #define ADF_SRV_TYPE_BIT_LEN 3 379 #define ADF_SRV_TYPE_MASK 0x7 380 #define ADF_AE_ADMIN_THREAD 7 381 #define ADF_NUM_THREADS_PER_AE 8 382 #define ADF_NUM_PKE_STRAND 2 383 #define ADF_AE_STRAND0_THREAD 8 384 #define ADF_AE_STRAND1_THREAD 9 385 386 #define GET_DEV(accel_dev) ((accel_dev)->accel_pci_dev.pci_dev->dev) 387 #define GET_BARS(accel_dev) ((accel_dev)->accel_pci_dev.pci_bars) 388 #define GET_HW_DATA(accel_dev) (accel_dev->hw_device) 389 #define GET_MAX_BANKS(accel_dev) (GET_HW_DATA(accel_dev)->num_banks) 390 #define GET_NUM_RINGS_PER_BANK(accel_dev) \ 391 GET_HW_DATA(accel_dev)->num_rings_per_bank 392 #define GET_SRV_TYPE(accel_dev, idx) \ 393 (((GET_HW_DATA(accel_dev)->ring_to_svc_map) >> (ADF_SRV_TYPE_BIT_LEN * (idx))) \ 394 & ADF_SRV_TYPE_MASK) 395 #define GET_ERR_MASK(accel_dev) (&GET_HW_DATA(accel_dev)->dev_err_mask) 396 #define GET_MAX_ACCELENGINES(accel_dev) (GET_HW_DATA(accel_dev)->num_engines) 397 #define GET_CSR_OPS(accel_dev) (&(accel_dev)->hw_device->csr_ops) 398 #define GET_PFVF_OPS(accel_dev) (&(accel_dev)->hw_device->pfvf_ops) 399 #define GET_DC_OPS(accel_dev) (&(accel_dev)->hw_device->dc_ops) 400 #define GET_VFMIG_OPS(accel_dev) (&(accel_dev)->hw_device->vfmig_ops) 401 #define GET_TL_DATA(accel_dev) GET_HW_DATA(accel_dev)->tl_data 402 #define accel_to_pci_dev(accel_ptr) accel_ptr->accel_pci_dev.pci_dev 403 404 struct adf_admin_comms; 405 struct icp_qat_fw_loader_handle; 406 struct adf_fw_loader_data { 407 struct icp_qat_fw_loader_handle *fw_loader; 408 const struct firmware *uof_fw; 409 const struct firmware *mmp_fw; 410 }; 411 412 struct adf_accel_vf_info { 413 struct adf_accel_dev *accel_dev; 414 struct mutex pf2vf_lock; /* protect CSR access for PF2VF messages */ 415 struct mutex pfvf_mig_lock; /* protects PFVF state for migration */ 416 struct ratelimit_state vf2pf_ratelimit; 417 u32 vf_nr; 418 bool init; 419 bool restarting; 420 u8 vf_compat_ver; 421 /* 422 * Private area used for device migration. 423 * Memory allocation and free is managed by migration driver. 424 */ 425 void *mig_priv; 426 }; 427 428 struct adf_dc_data { 429 u8 *ovf_buff; 430 size_t ovf_buff_sz; 431 dma_addr_t ovf_buff_p; 432 }; 433 434 struct adf_pm { 435 struct dentry *debugfs_pm_status; 436 bool present; 437 int idle_irq_counters; 438 int throttle_irq_counters; 439 int fw_irq_counters; 440 int host_ack_counter; 441 int host_nack_counter; 442 ssize_t (*print_pm_status)(struct adf_accel_dev *accel_dev, 443 char __user *buf, size_t count, loff_t *pos); 444 }; 445 446 struct adf_sysfs { 447 int ring_num; 448 struct rw_semaphore lock; /* protects access to the fields in this struct */ 449 }; 450 451 struct adf_accel_dev { 452 struct adf_etr_data *transport; 453 struct adf_hw_device_data *hw_device; 454 struct adf_cfg_device_data *cfg; 455 struct adf_fw_loader_data *fw_loader; 456 struct adf_admin_comms *admin; 457 struct adf_telemetry *telemetry; 458 struct adf_dc_data *dc_data; 459 struct adf_pm power_management; 460 struct list_head crypto_list; 461 struct list_head compression_list; 462 unsigned long status; 463 atomic_t ref_count; 464 struct dentry *debugfs_dir; 465 struct dentry *fw_cntr_dbgfile; 466 struct dentry *cnv_dbgfile; 467 struct list_head list; 468 struct module *owner; 469 struct adf_accel_pci accel_pci_dev; 470 struct adf_timer *timer; 471 struct adf_heartbeat *heartbeat; 472 struct adf_rl *rate_limiting; 473 struct adf_sysfs sysfs; 474 union { 475 struct { 476 /* protects VF2PF interrupts access */ 477 spinlock_t vf2pf_ints_lock; 478 /* vf_info is non-zero when SR-IOV is init'ed */ 479 struct adf_accel_vf_info *vf_info; 480 } pf; 481 struct { 482 bool irq_enabled; 483 char irq_name[ADF_MAX_MSIX_VECTOR_NAME]; 484 struct tasklet_struct pf2vf_bh_tasklet; 485 struct mutex vf2pf_lock; /* protect CSR access */ 486 struct completion msg_received; 487 struct pfvf_message response; /* temp field holding pf2vf response */ 488 u8 pf_compat_ver; 489 } vf; 490 }; 491 struct adf_error_counters ras_errors; 492 struct mutex state_lock; /* protect state of the device */ 493 bool is_vf; 494 bool autoreset_on_error; 495 u32 accel_id; 496 }; 497 #endif 498