linux/drivers/crypto/qat/qat_common/qat_hal.c
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   1// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
   2/* Copyright(c) 2014 - 2020 Intel Corporation */
   3#include <linux/slab.h>
   4#include <linux/delay.h>
   5#include <linux/pci_ids.h>
   6
   7#include "adf_accel_devices.h"
   8#include "adf_common_drv.h"
   9#include "icp_qat_hal.h"
  10#include "icp_qat_uclo.h"
  11
  12#define BAD_REGADDR            0xffff
  13#define MAX_RETRY_TIMES    10000
  14#define INIT_CTX_ARB_VALUE      0x0
  15#define INIT_CTX_ENABLE_VALUE     0x0
  16#define INIT_PC_VALUE        0x0
  17#define INIT_WAKEUP_EVENTS_VALUE  0x1
  18#define INIT_SIG_EVENTS_VALUE     0x1
  19#define INIT_CCENABLE_VALUE       0x2000
  20#define RST_CSR_QAT_LSB    20
  21#define RST_CSR_AE_LSB            0
  22#define MC_TIMESTAMP_ENABLE       (0x1 << 7)
  23
  24#define IGNORE_W1C_MASK ((~(1 << CE_BREAKPOINT_BITPOS)) & \
  25        (~(1 << CE_CNTL_STORE_PARITY_ERROR_BITPOS)) & \
  26        (~(1 << CE_REG_PAR_ERR_BITPOS)))
  27#define INSERT_IMMED_GPRA_CONST(inst, const_val) \
  28        (inst = ((inst & 0xFFFF00C03FFull) | \
  29                ((((const_val) << 12) & 0x0FF00000ull) | \
  30                (((const_val) << 10) & 0x0003FC00ull))))
  31#define INSERT_IMMED_GPRB_CONST(inst, const_val) \
  32        (inst = ((inst & 0xFFFF00FFF00ull) | \
  33                ((((const_val) << 12) & 0x0FF00000ull) | \
  34                (((const_val) <<  0) & 0x000000FFull))))
  35
  36#define AE(handle, ae) ((handle)->hal_handle->aes[ae])
  37
  38static const u64 inst_4b[] = {
  39        0x0F0400C0000ull, 0x0F4400C0000ull, 0x0F040000300ull, 0x0F440000300ull,
  40        0x0FC066C0000ull, 0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull,
  41        0x0A021000000ull
  42};
  43
  44static const u64 inst[] = {
  45        0x0F0000C0000ull, 0x0F000000380ull, 0x0D805000011ull, 0x0FC082C0300ull,
  46        0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull,
  47        0x0A0643C0000ull, 0x0BAC0000301ull, 0x0D802000101ull, 0x0F0000C0001ull,
  48        0x0FC066C0001ull, 0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull,
  49        0x0F000400300ull, 0x0A0610C0000ull, 0x0BAC0000301ull, 0x0D804400101ull,
  50        0x0A0580C0000ull, 0x0A0581C0000ull, 0x0A0582C0000ull, 0x0A0583C0000ull,
  51        0x0A0584C0000ull, 0x0A0585C0000ull, 0x0A0586C0000ull, 0x0A0587C0000ull,
  52        0x0A0588C0000ull, 0x0A0589C0000ull, 0x0A058AC0000ull, 0x0A058BC0000ull,
  53        0x0A058CC0000ull, 0x0A058DC0000ull, 0x0A058EC0000ull, 0x0A058FC0000ull,
  54        0x0A05C0C0000ull, 0x0A05C1C0000ull, 0x0A05C2C0000ull, 0x0A05C3C0000ull,
  55        0x0A05C4C0000ull, 0x0A05C5C0000ull, 0x0A05C6C0000ull, 0x0A05C7C0000ull,
  56        0x0A05C8C0000ull, 0x0A05C9C0000ull, 0x0A05CAC0000ull, 0x0A05CBC0000ull,
  57        0x0A05CCC0000ull, 0x0A05CDC0000ull, 0x0A05CEC0000ull, 0x0A05CFC0000ull,
  58        0x0A0400C0000ull, 0x0B0400C0000ull, 0x0A0401C0000ull, 0x0B0401C0000ull,
  59        0x0A0402C0000ull, 0x0B0402C0000ull, 0x0A0403C0000ull, 0x0B0403C0000ull,
  60        0x0A0404C0000ull, 0x0B0404C0000ull, 0x0A0405C0000ull, 0x0B0405C0000ull,
  61        0x0A0406C0000ull, 0x0B0406C0000ull, 0x0A0407C0000ull, 0x0B0407C0000ull,
  62        0x0A0408C0000ull, 0x0B0408C0000ull, 0x0A0409C0000ull, 0x0B0409C0000ull,
  63        0x0A040AC0000ull, 0x0B040AC0000ull, 0x0A040BC0000ull, 0x0B040BC0000ull,
  64        0x0A040CC0000ull, 0x0B040CC0000ull, 0x0A040DC0000ull, 0x0B040DC0000ull,
  65        0x0A040EC0000ull, 0x0B040EC0000ull, 0x0A040FC0000ull, 0x0B040FC0000ull,
  66        0x0D81581C010ull, 0x0E000010000ull, 0x0E000010000ull,
  67};
  68
  69void qat_hal_set_live_ctx(struct icp_qat_fw_loader_handle *handle,
  70                          unsigned char ae, unsigned int ctx_mask)
  71{
  72        AE(handle, ae).live_ctx_mask = ctx_mask;
  73}
  74
  75#define CSR_RETRY_TIMES 500
  76static int qat_hal_rd_ae_csr(struct icp_qat_fw_loader_handle *handle,
  77                             unsigned char ae, unsigned int csr)
  78{
  79        unsigned int iterations = CSR_RETRY_TIMES;
  80        int value;
  81
  82        do {
  83                value = GET_AE_CSR(handle, ae, csr);
  84                if (!(GET_AE_CSR(handle, ae, LOCAL_CSR_STATUS) & LCS_STATUS))
  85                        return value;
  86        } while (iterations--);
  87
  88        pr_err("QAT: Read CSR timeout\n");
  89        return 0;
  90}
  91
  92static int qat_hal_wr_ae_csr(struct icp_qat_fw_loader_handle *handle,
  93                             unsigned char ae, unsigned int csr,
  94                             unsigned int value)
  95{
  96        unsigned int iterations = CSR_RETRY_TIMES;
  97
  98        do {
  99                SET_AE_CSR(handle, ae, csr, value);
 100                if (!(GET_AE_CSR(handle, ae, LOCAL_CSR_STATUS) & LCS_STATUS))
 101                        return 0;
 102        } while (iterations--);
 103
 104        pr_err("QAT: Write CSR Timeout\n");
 105        return -EFAULT;
 106}
 107
 108static void qat_hal_get_wakeup_event(struct icp_qat_fw_loader_handle *handle,
 109                                     unsigned char ae, unsigned char ctx,
 110                                     unsigned int *events)
 111{
 112        unsigned int cur_ctx;
 113
 114        cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
 115        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
 116        *events = qat_hal_rd_ae_csr(handle, ae, CTX_WAKEUP_EVENTS_INDIRECT);
 117        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
 118}
 119
 120static int qat_hal_wait_cycles(struct icp_qat_fw_loader_handle *handle,
 121                               unsigned char ae, unsigned int cycles,
 122                               int chk_inactive)
 123{
 124        unsigned int base_cnt = 0, cur_cnt = 0;
 125        unsigned int csr = (1 << ACS_ABO_BITPOS);
 126        int times = MAX_RETRY_TIMES;
 127        int elapsed_cycles = 0;
 128
 129        base_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
 130        base_cnt &= 0xffff;
 131        while ((int)cycles > elapsed_cycles && times--) {
 132                if (chk_inactive)
 133                        csr = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
 134
 135                cur_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
 136                cur_cnt &= 0xffff;
 137                elapsed_cycles = cur_cnt - base_cnt;
 138
 139                if (elapsed_cycles < 0)
 140                        elapsed_cycles += 0x10000;
 141
 142                /* ensure at least 8 time cycles elapsed in wait_cycles */
 143                if (elapsed_cycles >= 8 && !(csr & (1 << ACS_ABO_BITPOS)))
 144                        return 0;
 145        }
 146        if (times < 0) {
 147                pr_err("QAT: wait_num_cycles time out\n");
 148                return -EFAULT;
 149        }
 150        return 0;
 151}
 152
 153#define CLR_BIT(wrd, bit) ((wrd) & ~(1 << (bit)))
 154#define SET_BIT(wrd, bit) ((wrd) | 1 << (bit))
 155
 156int qat_hal_set_ae_ctx_mode(struct icp_qat_fw_loader_handle *handle,
 157                            unsigned char ae, unsigned char mode)
 158{
 159        unsigned int csr, new_csr;
 160
 161        if (mode != 4 && mode != 8) {
 162                pr_err("QAT: bad ctx mode=%d\n", mode);
 163                return -EINVAL;
 164        }
 165
 166        /* Sets the accelaration engine context mode to either four or eight */
 167        csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
 168        csr = IGNORE_W1C_MASK & csr;
 169        new_csr = (mode == 4) ?
 170                SET_BIT(csr, CE_INUSE_CONTEXTS_BITPOS) :
 171                CLR_BIT(csr, CE_INUSE_CONTEXTS_BITPOS);
 172        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);
 173        return 0;
 174}
 175
 176int qat_hal_set_ae_nn_mode(struct icp_qat_fw_loader_handle *handle,
 177                           unsigned char ae, unsigned char mode)
 178{
 179        unsigned int csr, new_csr;
 180
 181        csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
 182        csr &= IGNORE_W1C_MASK;
 183
 184        new_csr = (mode) ?
 185                SET_BIT(csr, CE_NN_MODE_BITPOS) :
 186                CLR_BIT(csr, CE_NN_MODE_BITPOS);
 187
 188        if (new_csr != csr)
 189                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);
 190
 191        return 0;
 192}
 193
 194int qat_hal_set_ae_lm_mode(struct icp_qat_fw_loader_handle *handle,
 195                           unsigned char ae, enum icp_qat_uof_regtype lm_type,
 196                           unsigned char mode)
 197{
 198        unsigned int csr, new_csr;
 199
 200        csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
 201        csr &= IGNORE_W1C_MASK;
 202        switch (lm_type) {
 203        case ICP_LMEM0:
 204                new_csr = (mode) ?
 205                        SET_BIT(csr, CE_LMADDR_0_GLOBAL_BITPOS) :
 206                        CLR_BIT(csr, CE_LMADDR_0_GLOBAL_BITPOS);
 207                break;
 208        case ICP_LMEM1:
 209                new_csr = (mode) ?
 210                        SET_BIT(csr, CE_LMADDR_1_GLOBAL_BITPOS) :
 211                        CLR_BIT(csr, CE_LMADDR_1_GLOBAL_BITPOS);
 212                break;
 213        case ICP_LMEM2:
 214                new_csr = (mode) ?
 215                        SET_BIT(csr, CE_LMADDR_2_GLOBAL_BITPOS) :
 216                        CLR_BIT(csr, CE_LMADDR_2_GLOBAL_BITPOS);
 217                break;
 218        case ICP_LMEM3:
 219                new_csr = (mode) ?
 220                        SET_BIT(csr, CE_LMADDR_3_GLOBAL_BITPOS) :
 221                        CLR_BIT(csr, CE_LMADDR_3_GLOBAL_BITPOS);
 222                break;
 223        default:
 224                pr_err("QAT: lmType = 0x%x\n", lm_type);
 225                return -EINVAL;
 226        }
 227
 228        if (new_csr != csr)
 229                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);
 230        return 0;
 231}
 232
 233void qat_hal_set_ae_tindex_mode(struct icp_qat_fw_loader_handle *handle,
 234                                unsigned char ae, unsigned char mode)
 235{
 236        unsigned int csr, new_csr;
 237
 238        csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
 239        csr &= IGNORE_W1C_MASK;
 240        new_csr = (mode) ?
 241                  SET_BIT(csr, CE_T_INDEX_GLOBAL_BITPOS) :
 242                  CLR_BIT(csr, CE_T_INDEX_GLOBAL_BITPOS);
 243        if (new_csr != csr)
 244                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);
 245}
 246
 247static unsigned short qat_hal_get_reg_addr(unsigned int type,
 248                                           unsigned short reg_num)
 249{
 250        unsigned short reg_addr;
 251
 252        switch (type) {
 253        case ICP_GPA_ABS:
 254        case ICP_GPB_ABS:
 255                reg_addr = 0x80 | (reg_num & 0x7f);
 256                break;
 257        case ICP_GPA_REL:
 258        case ICP_GPB_REL:
 259                reg_addr = reg_num & 0x1f;
 260                break;
 261        case ICP_SR_RD_REL:
 262        case ICP_SR_WR_REL:
 263        case ICP_SR_REL:
 264                reg_addr = 0x180 | (reg_num & 0x1f);
 265                break;
 266        case ICP_SR_ABS:
 267                reg_addr = 0x140 | ((reg_num & 0x3) << 1);
 268                break;
 269        case ICP_DR_RD_REL:
 270        case ICP_DR_WR_REL:
 271        case ICP_DR_REL:
 272                reg_addr = 0x1c0 | (reg_num & 0x1f);
 273                break;
 274        case ICP_DR_ABS:
 275                reg_addr = 0x100 | ((reg_num & 0x3) << 1);
 276                break;
 277        case ICP_NEIGH_REL:
 278                reg_addr = 0x280 | (reg_num & 0x1f);
 279                break;
 280        case ICP_LMEM0:
 281                reg_addr = 0x200;
 282                break;
 283        case ICP_LMEM1:
 284                reg_addr = 0x220;
 285                break;
 286        case ICP_LMEM2:
 287                reg_addr = 0x2c0;
 288                break;
 289        case ICP_LMEM3:
 290                reg_addr = 0x2e0;
 291                break;
 292        case ICP_NO_DEST:
 293                reg_addr = 0x300 | (reg_num & 0xff);
 294                break;
 295        default:
 296                reg_addr = BAD_REGADDR;
 297                break;
 298        }
 299        return reg_addr;
 300}
 301
 302void qat_hal_reset(struct icp_qat_fw_loader_handle *handle)
 303{
 304        unsigned int reset_mask = handle->chip_info->icp_rst_mask;
 305        unsigned int reset_csr = handle->chip_info->icp_rst_csr;
 306        unsigned int csr_val;
 307
 308        csr_val = GET_CAP_CSR(handle, reset_csr);
 309        csr_val |= reset_mask;
 310        SET_CAP_CSR(handle, reset_csr, csr_val);
 311}
 312
 313static void qat_hal_wr_indr_csr(struct icp_qat_fw_loader_handle *handle,
 314                                unsigned char ae, unsigned int ctx_mask,
 315                                unsigned int ae_csr, unsigned int csr_val)
 316{
 317        unsigned int ctx, cur_ctx;
 318
 319        cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
 320
 321        for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
 322                if (!(ctx_mask & (1 << ctx)))
 323                        continue;
 324                qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
 325                qat_hal_wr_ae_csr(handle, ae, ae_csr, csr_val);
 326        }
 327
 328        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
 329}
 330
 331static unsigned int qat_hal_rd_indr_csr(struct icp_qat_fw_loader_handle *handle,
 332                                unsigned char ae, unsigned char ctx,
 333                                unsigned int ae_csr)
 334{
 335        unsigned int cur_ctx, csr_val;
 336
 337        cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
 338        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
 339        csr_val = qat_hal_rd_ae_csr(handle, ae, ae_csr);
 340        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
 341
 342        return csr_val;
 343}
 344
 345static void qat_hal_put_sig_event(struct icp_qat_fw_loader_handle *handle,
 346                                  unsigned char ae, unsigned int ctx_mask,
 347                                  unsigned int events)
 348{
 349        unsigned int ctx, cur_ctx;
 350
 351        cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
 352        for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
 353                if (!(ctx_mask & (1 << ctx)))
 354                        continue;
 355                qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
 356                qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_INDIRECT, events);
 357        }
 358        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
 359}
 360
 361static void qat_hal_put_wakeup_event(struct icp_qat_fw_loader_handle *handle,
 362                                     unsigned char ae, unsigned int ctx_mask,
 363                                     unsigned int events)
 364{
 365        unsigned int ctx, cur_ctx;
 366
 367        cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
 368        for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
 369                if (!(ctx_mask & (1 << ctx)))
 370                        continue;
 371                qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
 372                qat_hal_wr_ae_csr(handle, ae, CTX_WAKEUP_EVENTS_INDIRECT,
 373                                  events);
 374        }
 375        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
 376}
 377
 378static int qat_hal_check_ae_alive(struct icp_qat_fw_loader_handle *handle)
 379{
 380        unsigned long ae_mask = handle->hal_handle->ae_mask;
 381        unsigned int base_cnt, cur_cnt;
 382        unsigned char ae;
 383        int times = MAX_RETRY_TIMES;
 384
 385        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
 386                base_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
 387                base_cnt &= 0xffff;
 388
 389                do {
 390                        cur_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
 391                        cur_cnt &= 0xffff;
 392                } while (times-- && (cur_cnt == base_cnt));
 393
 394                if (times < 0) {
 395                        pr_err("QAT: AE%d is inactive!!\n", ae);
 396                        return -EFAULT;
 397                }
 398        }
 399
 400        return 0;
 401}
 402
 403int qat_hal_check_ae_active(struct icp_qat_fw_loader_handle *handle,
 404                            unsigned int ae)
 405{
 406        unsigned int enable = 0, active = 0;
 407
 408        enable = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
 409        active = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
 410        if ((enable & (0xff << CE_ENABLE_BITPOS)) ||
 411            (active & (1 << ACS_ABO_BITPOS)))
 412                return 1;
 413        else
 414                return 0;
 415}
 416
 417static void qat_hal_reset_timestamp(struct icp_qat_fw_loader_handle *handle)
 418{
 419        unsigned long ae_mask = handle->hal_handle->ae_mask;
 420        unsigned int misc_ctl_csr, misc_ctl;
 421        unsigned char ae;
 422
 423        misc_ctl_csr = handle->chip_info->misc_ctl_csr;
 424        /* stop the timestamp timers */
 425        misc_ctl = GET_CAP_CSR(handle, misc_ctl_csr);
 426        if (misc_ctl & MC_TIMESTAMP_ENABLE)
 427                SET_CAP_CSR(handle, misc_ctl_csr, misc_ctl &
 428                            (~MC_TIMESTAMP_ENABLE));
 429
 430        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
 431                qat_hal_wr_ae_csr(handle, ae, TIMESTAMP_LOW, 0);
 432                qat_hal_wr_ae_csr(handle, ae, TIMESTAMP_HIGH, 0);
 433        }
 434        /* start timestamp timers */
 435        SET_CAP_CSR(handle, misc_ctl_csr, misc_ctl | MC_TIMESTAMP_ENABLE);
 436}
 437
 438#define ESRAM_AUTO_TINIT        BIT(2)
 439#define ESRAM_AUTO_TINIT_DONE   BIT(3)
 440#define ESRAM_AUTO_INIT_USED_CYCLES (1640)
 441#define ESRAM_AUTO_INIT_CSR_OFFSET 0xC1C
 442static int qat_hal_init_esram(struct icp_qat_fw_loader_handle *handle)
 443{
 444        void __iomem *csr_addr =
 445                        (void __iomem *)((uintptr_t)handle->hal_ep_csr_addr_v +
 446                        ESRAM_AUTO_INIT_CSR_OFFSET);
 447        unsigned int csr_val;
 448        int times = 30;
 449
 450        if (handle->pci_dev->device != PCI_DEVICE_ID_INTEL_QAT_DH895XCC)
 451                return 0;
 452
 453        csr_val = ADF_CSR_RD(csr_addr, 0);
 454        if ((csr_val & ESRAM_AUTO_TINIT) && (csr_val & ESRAM_AUTO_TINIT_DONE))
 455                return 0;
 456
 457        csr_val = ADF_CSR_RD(csr_addr, 0);
 458        csr_val |= ESRAM_AUTO_TINIT;
 459        ADF_CSR_WR(csr_addr, 0, csr_val);
 460
 461        do {
 462                qat_hal_wait_cycles(handle, 0, ESRAM_AUTO_INIT_USED_CYCLES, 0);
 463                csr_val = ADF_CSR_RD(csr_addr, 0);
 464        } while (!(csr_val & ESRAM_AUTO_TINIT_DONE) && times--);
 465        if (times < 0) {
 466                pr_err("QAT: Fail to init eSram!\n");
 467                return -EFAULT;
 468        }
 469        return 0;
 470}
 471
 472#define SHRAM_INIT_CYCLES 2060
 473int qat_hal_clr_reset(struct icp_qat_fw_loader_handle *handle)
 474{
 475        unsigned int clk_csr = handle->chip_info->glb_clk_enable_csr;
 476        unsigned int reset_mask = handle->chip_info->icp_rst_mask;
 477        unsigned int reset_csr = handle->chip_info->icp_rst_csr;
 478        unsigned long ae_mask = handle->hal_handle->ae_mask;
 479        unsigned char ae = 0;
 480        unsigned int times = 100;
 481        unsigned int csr_val;
 482
 483        /* write to the reset csr */
 484        csr_val = GET_CAP_CSR(handle, reset_csr);
 485        csr_val &= ~reset_mask;
 486        do {
 487                SET_CAP_CSR(handle, reset_csr, csr_val);
 488                if (!(times--))
 489                        goto out_err;
 490                csr_val = GET_CAP_CSR(handle, reset_csr);
 491                csr_val &= reset_mask;
 492        } while (csr_val);
 493        /* enable clock */
 494        csr_val = GET_CAP_CSR(handle, clk_csr);
 495        csr_val |= reset_mask;
 496        SET_CAP_CSR(handle, clk_csr, csr_val);
 497        if (qat_hal_check_ae_alive(handle))
 498                goto out_err;
 499
 500        /* Set undefined power-up/reset states to reasonable default values */
 501        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
 502                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES,
 503                                  INIT_CTX_ENABLE_VALUE);
 504                qat_hal_wr_indr_csr(handle, ae, ICP_QAT_UCLO_AE_ALL_CTX,
 505                                    CTX_STS_INDIRECT,
 506                                    handle->hal_handle->upc_mask &
 507                                    INIT_PC_VALUE);
 508                qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, INIT_CTX_ARB_VALUE);
 509                qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, INIT_CCENABLE_VALUE);
 510                qat_hal_put_wakeup_event(handle, ae,
 511                                         ICP_QAT_UCLO_AE_ALL_CTX,
 512                                         INIT_WAKEUP_EVENTS_VALUE);
 513                qat_hal_put_sig_event(handle, ae,
 514                                      ICP_QAT_UCLO_AE_ALL_CTX,
 515                                      INIT_SIG_EVENTS_VALUE);
 516        }
 517        if (qat_hal_init_esram(handle))
 518                goto out_err;
 519        if (qat_hal_wait_cycles(handle, 0, SHRAM_INIT_CYCLES, 0))
 520                goto out_err;
 521        qat_hal_reset_timestamp(handle);
 522
 523        return 0;
 524out_err:
 525        pr_err("QAT: failed to get device out of reset\n");
 526        return -EFAULT;
 527}
 528
 529static void qat_hal_disable_ctx(struct icp_qat_fw_loader_handle *handle,
 530                                unsigned char ae, unsigned int ctx_mask)
 531{
 532        unsigned int ctx;
 533
 534        ctx = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
 535        ctx &= IGNORE_W1C_MASK &
 536                (~((ctx_mask & ICP_QAT_UCLO_AE_ALL_CTX) << CE_ENABLE_BITPOS));
 537        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx);
 538}
 539
 540static u64 qat_hal_parity_64bit(u64 word)
 541{
 542        word ^= word >> 1;
 543        word ^= word >> 2;
 544        word ^= word >> 4;
 545        word ^= word >> 8;
 546        word ^= word >> 16;
 547        word ^= word >> 32;
 548        return word & 1;
 549}
 550
 551static u64 qat_hal_set_uword_ecc(u64 uword)
 552{
 553        u64 bit0_mask = 0xff800007fffULL, bit1_mask = 0x1f801ff801fULL,
 554                bit2_mask = 0xe387e0781e1ULL, bit3_mask = 0x7cb8e388e22ULL,
 555                bit4_mask = 0xaf5b2c93244ULL, bit5_mask = 0xf56d5525488ULL,
 556                bit6_mask = 0xdaf69a46910ULL;
 557
 558        /* clear the ecc bits */
 559        uword &= ~(0x7fULL << 0x2C);
 560        uword |= qat_hal_parity_64bit(bit0_mask & uword) << 0x2C;
 561        uword |= qat_hal_parity_64bit(bit1_mask & uword) << 0x2D;
 562        uword |= qat_hal_parity_64bit(bit2_mask & uword) << 0x2E;
 563        uword |= qat_hal_parity_64bit(bit3_mask & uword) << 0x2F;
 564        uword |= qat_hal_parity_64bit(bit4_mask & uword) << 0x30;
 565        uword |= qat_hal_parity_64bit(bit5_mask & uword) << 0x31;
 566        uword |= qat_hal_parity_64bit(bit6_mask & uword) << 0x32;
 567        return uword;
 568}
 569
 570void qat_hal_wr_uwords(struct icp_qat_fw_loader_handle *handle,
 571                       unsigned char ae, unsigned int uaddr,
 572                       unsigned int words_num, u64 *uword)
 573{
 574        unsigned int ustore_addr;
 575        unsigned int i;
 576
 577        ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
 578        uaddr |= UA_ECS;
 579        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
 580        for (i = 0; i < words_num; i++) {
 581                unsigned int uwrd_lo, uwrd_hi;
 582                u64 tmp;
 583
 584                tmp = qat_hal_set_uword_ecc(uword[i]);
 585                uwrd_lo = (unsigned int)(tmp & 0xffffffff);
 586                uwrd_hi = (unsigned int)(tmp >> 0x20);
 587                qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_LOWER, uwrd_lo);
 588                qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_UPPER, uwrd_hi);
 589        }
 590        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
 591}
 592
 593static void qat_hal_enable_ctx(struct icp_qat_fw_loader_handle *handle,
 594                               unsigned char ae, unsigned int ctx_mask)
 595{
 596        unsigned int ctx;
 597
 598        ctx = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
 599        ctx &= IGNORE_W1C_MASK;
 600        ctx_mask &= (ctx & CE_INUSE_CONTEXTS) ? 0x55 : 0xFF;
 601        ctx |= (ctx_mask << CE_ENABLE_BITPOS);
 602        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx);
 603}
 604
 605static void qat_hal_clear_xfer(struct icp_qat_fw_loader_handle *handle)
 606{
 607        unsigned long ae_mask = handle->hal_handle->ae_mask;
 608        unsigned char ae;
 609        unsigned short reg;
 610
 611        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
 612                for (reg = 0; reg < ICP_QAT_UCLO_MAX_GPR_REG; reg++) {
 613                        qat_hal_init_rd_xfer(handle, ae, 0, ICP_SR_RD_ABS,
 614                                             reg, 0);
 615                        qat_hal_init_rd_xfer(handle, ae, 0, ICP_DR_RD_ABS,
 616                                             reg, 0);
 617                }
 618        }
 619}
 620
 621static int qat_hal_clear_gpr(struct icp_qat_fw_loader_handle *handle)
 622{
 623        unsigned long ae_mask = handle->hal_handle->ae_mask;
 624        unsigned char ae;
 625        unsigned int ctx_mask = ICP_QAT_UCLO_AE_ALL_CTX;
 626        int times = MAX_RETRY_TIMES;
 627        unsigned int csr_val = 0;
 628        unsigned int savctx = 0;
 629        int ret = 0;
 630
 631        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
 632                csr_val = qat_hal_rd_ae_csr(handle, ae, AE_MISC_CONTROL);
 633                csr_val &= ~(1 << MMC_SHARE_CS_BITPOS);
 634                qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL, csr_val);
 635                csr_val = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
 636                csr_val &= IGNORE_W1C_MASK;
 637                if (handle->chip_info->nn)
 638                        csr_val |= CE_NN_MODE;
 639
 640                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, csr_val);
 641                qat_hal_wr_uwords(handle, ae, 0, ARRAY_SIZE(inst),
 642                                  (u64 *)inst);
 643                qat_hal_wr_indr_csr(handle, ae, ctx_mask, CTX_STS_INDIRECT,
 644                                    handle->hal_handle->upc_mask &
 645                                    INIT_PC_VALUE);
 646                savctx = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
 647                qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS, 0);
 648                qat_hal_put_wakeup_event(handle, ae, ctx_mask, XCWE_VOLUNTARY);
 649                qat_hal_wr_indr_csr(handle, ae, ctx_mask,
 650                                    CTX_SIG_EVENTS_INDIRECT, 0);
 651                qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE, 0);
 652                qat_hal_enable_ctx(handle, ae, ctx_mask);
 653        }
 654        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
 655                /* wait for AE to finish */
 656                do {
 657                        ret = qat_hal_wait_cycles(handle, ae, 20, 1);
 658                } while (ret && times--);
 659
 660                if (times < 0) {
 661                        pr_err("QAT: clear GPR of AE %d failed", ae);
 662                        return -EINVAL;
 663                }
 664                qat_hal_disable_ctx(handle, ae, ctx_mask);
 665                qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS,
 666                                  savctx & ACS_ACNO);
 667                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES,
 668                                  INIT_CTX_ENABLE_VALUE);
 669                qat_hal_wr_indr_csr(handle, ae, ctx_mask, CTX_STS_INDIRECT,
 670                                    handle->hal_handle->upc_mask &
 671                                    INIT_PC_VALUE);
 672                qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, INIT_CTX_ARB_VALUE);
 673                qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, INIT_CCENABLE_VALUE);
 674                qat_hal_put_wakeup_event(handle, ae, ctx_mask,
 675                                         INIT_WAKEUP_EVENTS_VALUE);
 676                qat_hal_put_sig_event(handle, ae, ctx_mask,
 677                                      INIT_SIG_EVENTS_VALUE);
 678        }
 679        return 0;
 680}
 681
 682static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle,
 683                             struct adf_accel_dev *accel_dev)
 684{
 685        struct adf_accel_pci *pci_info = &accel_dev->accel_pci_dev;
 686        struct adf_hw_device_data *hw_data = accel_dev->hw_device;
 687        struct adf_bar *misc_bar =
 688                        &pci_info->pci_bars[hw_data->get_misc_bar_id(hw_data)];
 689        unsigned int max_en_ae_id = 0;
 690        struct adf_bar *sram_bar;
 691        unsigned int csr_val = 0;
 692        unsigned long ae_mask;
 693        unsigned char ae = 0;
 694        int ret = 0;
 695
 696        handle->pci_dev = pci_info->pci_dev;
 697        switch (handle->pci_dev->device) {
 698        case ADF_4XXX_PCI_DEVICE_ID:
 699                handle->chip_info->mmp_sram_size = 0;
 700                handle->chip_info->nn = false;
 701                handle->chip_info->lm2lm3 = true;
 702                handle->chip_info->lm_size = ICP_QAT_UCLO_MAX_LMEM_REG_2X;
 703                handle->chip_info->icp_rst_csr = ICP_RESET_CPP0;
 704                handle->chip_info->icp_rst_mask = 0x100015;
 705                handle->chip_info->glb_clk_enable_csr = ICP_GLOBAL_CLK_ENABLE_CPP0;
 706                handle->chip_info->misc_ctl_csr = MISC_CONTROL_C4XXX;
 707                handle->chip_info->wakeup_event_val = 0x80000000;
 708                handle->chip_info->fw_auth = true;
 709                handle->chip_info->css_3k = true;
 710                handle->chip_info->tgroup_share_ustore = true;
 711                handle->chip_info->fcu_ctl_csr = FCU_CONTROL_4XXX;
 712                handle->chip_info->fcu_sts_csr = FCU_STATUS_4XXX;
 713                handle->chip_info->fcu_dram_addr_hi = FCU_DRAM_ADDR_HI_4XXX;
 714                handle->chip_info->fcu_dram_addr_lo = FCU_DRAM_ADDR_LO_4XXX;
 715                handle->chip_info->fcu_loaded_ae_csr = FCU_AE_LOADED_4XXX;
 716                handle->chip_info->fcu_loaded_ae_pos = 0;
 717
 718                handle->hal_cap_g_ctl_csr_addr_v =
 719                        (void __iomem *)((uintptr_t)misc_bar->virt_addr +
 720                        ICP_QAT_CAP_OFFSET_4XXX);
 721                handle->hal_cap_ae_xfer_csr_addr_v =
 722                        (void __iomem *)((uintptr_t)misc_bar->virt_addr +
 723                        ICP_QAT_AE_OFFSET_4XXX);
 724                handle->hal_ep_csr_addr_v =
 725                        (void __iomem *)((uintptr_t)misc_bar->virt_addr +
 726                        ICP_QAT_EP_OFFSET_4XXX);
 727                handle->hal_cap_ae_local_csr_addr_v =
 728                        (void __iomem *)((uintptr_t)handle->hal_cap_ae_xfer_csr_addr_v
 729                                                        + LOCAL_TO_XFER_REG_OFFSET);
 730                break;
 731        case PCI_DEVICE_ID_INTEL_QAT_C62X:
 732        case PCI_DEVICE_ID_INTEL_QAT_C3XXX:
 733                handle->chip_info->mmp_sram_size = 0;
 734                handle->chip_info->nn = true;
 735                handle->chip_info->lm2lm3 = false;
 736                handle->chip_info->lm_size = ICP_QAT_UCLO_MAX_LMEM_REG;
 737                handle->chip_info->icp_rst_csr = ICP_RESET;
 738                handle->chip_info->icp_rst_mask = (hw_data->ae_mask << RST_CSR_AE_LSB) |
 739                                                  (hw_data->accel_mask << RST_CSR_QAT_LSB);
 740                handle->chip_info->glb_clk_enable_csr = ICP_GLOBAL_CLK_ENABLE;
 741                handle->chip_info->misc_ctl_csr = MISC_CONTROL;
 742                handle->chip_info->wakeup_event_val = WAKEUP_EVENT;
 743                handle->chip_info->fw_auth = true;
 744                handle->chip_info->css_3k = false;
 745                handle->chip_info->tgroup_share_ustore = false;
 746                handle->chip_info->fcu_ctl_csr = FCU_CONTROL;
 747                handle->chip_info->fcu_sts_csr = FCU_STATUS;
 748                handle->chip_info->fcu_dram_addr_hi = FCU_DRAM_ADDR_HI;
 749                handle->chip_info->fcu_dram_addr_lo = FCU_DRAM_ADDR_LO;
 750                handle->chip_info->fcu_loaded_ae_csr = FCU_STATUS;
 751                handle->chip_info->fcu_loaded_ae_pos = FCU_LOADED_AE_POS;
 752                handle->hal_cap_g_ctl_csr_addr_v =
 753                        (void __iomem *)((uintptr_t)misc_bar->virt_addr +
 754                        ICP_QAT_CAP_OFFSET);
 755                handle->hal_cap_ae_xfer_csr_addr_v =
 756                        (void __iomem *)((uintptr_t)misc_bar->virt_addr +
 757                        ICP_QAT_AE_OFFSET);
 758                handle->hal_ep_csr_addr_v =
 759                        (void __iomem *)((uintptr_t)misc_bar->virt_addr +
 760                        ICP_QAT_EP_OFFSET);
 761                handle->hal_cap_ae_local_csr_addr_v =
 762                        (void __iomem *)((uintptr_t)handle->hal_cap_ae_xfer_csr_addr_v
 763                        + LOCAL_TO_XFER_REG_OFFSET);
 764                break;
 765        case PCI_DEVICE_ID_INTEL_QAT_DH895XCC:
 766                handle->chip_info->mmp_sram_size = 0x40000;
 767                handle->chip_info->nn = true;
 768                handle->chip_info->lm2lm3 = false;
 769                handle->chip_info->lm_size = ICP_QAT_UCLO_MAX_LMEM_REG;
 770                handle->chip_info->icp_rst_csr = ICP_RESET;
 771                handle->chip_info->icp_rst_mask = (hw_data->ae_mask << RST_CSR_AE_LSB) |
 772                                                  (hw_data->accel_mask << RST_CSR_QAT_LSB);
 773                handle->chip_info->glb_clk_enable_csr = ICP_GLOBAL_CLK_ENABLE;
 774                handle->chip_info->misc_ctl_csr = MISC_CONTROL;
 775                handle->chip_info->wakeup_event_val = WAKEUP_EVENT;
 776                handle->chip_info->fw_auth = false;
 777                handle->chip_info->css_3k = false;
 778                handle->chip_info->tgroup_share_ustore = false;
 779                handle->chip_info->fcu_ctl_csr = 0;
 780                handle->chip_info->fcu_sts_csr = 0;
 781                handle->chip_info->fcu_dram_addr_hi = 0;
 782                handle->chip_info->fcu_dram_addr_lo = 0;
 783                handle->chip_info->fcu_loaded_ae_csr = 0;
 784                handle->chip_info->fcu_loaded_ae_pos = 0;
 785                handle->hal_cap_g_ctl_csr_addr_v =
 786                        (void __iomem *)((uintptr_t)misc_bar->virt_addr +
 787                        ICP_QAT_CAP_OFFSET);
 788                handle->hal_cap_ae_xfer_csr_addr_v =
 789                        (void __iomem *)((uintptr_t)misc_bar->virt_addr +
 790                        ICP_QAT_AE_OFFSET);
 791                handle->hal_ep_csr_addr_v =
 792                        (void __iomem *)((uintptr_t)misc_bar->virt_addr +
 793                        ICP_QAT_EP_OFFSET);
 794                handle->hal_cap_ae_local_csr_addr_v =
 795                        (void __iomem *)((uintptr_t)handle->hal_cap_ae_xfer_csr_addr_v
 796                        + LOCAL_TO_XFER_REG_OFFSET);
 797                break;
 798        default:
 799                ret = -EINVAL;
 800                goto out_err;
 801        }
 802
 803        if (handle->chip_info->mmp_sram_size > 0) {
 804                sram_bar =
 805                        &pci_info->pci_bars[hw_data->get_sram_bar_id(hw_data)];
 806                handle->hal_sram_addr_v = sram_bar->virt_addr;
 807        }
 808        handle->hal_handle->revision_id = accel_dev->accel_pci_dev.revid;
 809        handle->hal_handle->ae_mask = hw_data->ae_mask;
 810        handle->hal_handle->admin_ae_mask = hw_data->admin_ae_mask;
 811        handle->hal_handle->slice_mask = hw_data->accel_mask;
 812        handle->cfg_ae_mask = ALL_AE_MASK;
 813        /* create AE objects */
 814        handle->hal_handle->upc_mask = 0x1ffff;
 815        handle->hal_handle->max_ustore = 0x4000;
 816
 817        ae_mask = handle->hal_handle->ae_mask;
 818        for_each_set_bit(ae, &ae_mask, ICP_QAT_UCLO_MAX_AE) {
 819                handle->hal_handle->aes[ae].free_addr = 0;
 820                handle->hal_handle->aes[ae].free_size =
 821                    handle->hal_handle->max_ustore;
 822                handle->hal_handle->aes[ae].ustore_size =
 823                    handle->hal_handle->max_ustore;
 824                handle->hal_handle->aes[ae].live_ctx_mask =
 825                                                ICP_QAT_UCLO_AE_ALL_CTX;
 826                max_en_ae_id = ae;
 827        }
 828        handle->hal_handle->ae_max_num = max_en_ae_id + 1;
 829
 830        /* Set SIGNATURE_ENABLE[0] to 0x1 in order to enable ALU_OUT csr */
 831        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
 832                csr_val = qat_hal_rd_ae_csr(handle, ae, SIGNATURE_ENABLE);
 833                csr_val |= 0x1;
 834                qat_hal_wr_ae_csr(handle, ae, SIGNATURE_ENABLE, csr_val);
 835        }
 836out_err:
 837        return ret;
 838}
 839
 840int qat_hal_init(struct adf_accel_dev *accel_dev)
 841{
 842        struct icp_qat_fw_loader_handle *handle;
 843        int ret = 0;
 844
 845        handle = kzalloc(sizeof(*handle), GFP_KERNEL);
 846        if (!handle)
 847                return -ENOMEM;
 848
 849        handle->hal_handle = kzalloc(sizeof(*handle->hal_handle), GFP_KERNEL);
 850        if (!handle->hal_handle) {
 851                ret = -ENOMEM;
 852                goto out_hal_handle;
 853        }
 854
 855        handle->chip_info = kzalloc(sizeof(*handle->chip_info), GFP_KERNEL);
 856        if (!handle->chip_info) {
 857                ret = -ENOMEM;
 858                goto out_chip_info;
 859        }
 860
 861        ret = qat_hal_chip_init(handle, accel_dev);
 862        if (ret) {
 863                dev_err(&GET_DEV(accel_dev), "qat_hal_chip_init error\n");
 864                goto out_err;
 865        }
 866
 867        /* take all AEs out of reset */
 868        ret = qat_hal_clr_reset(handle);
 869        if (ret) {
 870                dev_err(&GET_DEV(accel_dev), "qat_hal_clr_reset error\n");
 871                goto out_err;
 872        }
 873
 874        qat_hal_clear_xfer(handle);
 875        if (!handle->chip_info->fw_auth) {
 876                ret = qat_hal_clear_gpr(handle);
 877                if (ret)
 878                        goto out_err;
 879        }
 880
 881        accel_dev->fw_loader->fw_loader = handle;
 882        return 0;
 883
 884out_err:
 885        kfree(handle->chip_info);
 886out_chip_info:
 887        kfree(handle->hal_handle);
 888out_hal_handle:
 889        kfree(handle);
 890        return ret;
 891}
 892
 893void qat_hal_deinit(struct icp_qat_fw_loader_handle *handle)
 894{
 895        if (!handle)
 896                return;
 897        kfree(handle->chip_info);
 898        kfree(handle->hal_handle);
 899        kfree(handle);
 900}
 901
 902int qat_hal_start(struct icp_qat_fw_loader_handle *handle)
 903{
 904        unsigned long ae_mask = handle->hal_handle->ae_mask;
 905        u32 wakeup_val = handle->chip_info->wakeup_event_val;
 906        u32 fcu_ctl_csr, fcu_sts_csr;
 907        unsigned int fcu_sts;
 908        unsigned char ae;
 909        u32 ae_ctr = 0;
 910        int retry = 0;
 911
 912        if (handle->chip_info->fw_auth) {
 913                fcu_ctl_csr = handle->chip_info->fcu_ctl_csr;
 914                fcu_sts_csr = handle->chip_info->fcu_sts_csr;
 915                ae_ctr = hweight32(ae_mask);
 916                SET_CAP_CSR(handle, fcu_ctl_csr, FCU_CTRL_CMD_START);
 917                do {
 918                        msleep(FW_AUTH_WAIT_PERIOD);
 919                        fcu_sts = GET_CAP_CSR(handle, fcu_sts_csr);
 920                        if (((fcu_sts >> FCU_STS_DONE_POS) & 0x1))
 921                                return ae_ctr;
 922                } while (retry++ < FW_AUTH_MAX_RETRY);
 923                pr_err("QAT: start error (FCU_STS = 0x%x)\n", fcu_sts);
 924                return 0;
 925        } else {
 926                for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
 927                        qat_hal_put_wakeup_event(handle, ae, 0, wakeup_val);
 928                        qat_hal_enable_ctx(handle, ae, ICP_QAT_UCLO_AE_ALL_CTX);
 929                        ae_ctr++;
 930                }
 931                return ae_ctr;
 932        }
 933}
 934
 935void qat_hal_stop(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
 936                  unsigned int ctx_mask)
 937{
 938        if (!handle->chip_info->fw_auth)
 939                qat_hal_disable_ctx(handle, ae, ctx_mask);
 940}
 941
 942void qat_hal_set_pc(struct icp_qat_fw_loader_handle *handle,
 943                    unsigned char ae, unsigned int ctx_mask, unsigned int upc)
 944{
 945        qat_hal_wr_indr_csr(handle, ae, ctx_mask, CTX_STS_INDIRECT,
 946                            handle->hal_handle->upc_mask & upc);
 947}
 948
 949static void qat_hal_get_uwords(struct icp_qat_fw_loader_handle *handle,
 950                               unsigned char ae, unsigned int uaddr,
 951                               unsigned int words_num, u64 *uword)
 952{
 953        unsigned int i, uwrd_lo, uwrd_hi;
 954        unsigned int ustore_addr, misc_control;
 955
 956        misc_control = qat_hal_rd_ae_csr(handle, ae, AE_MISC_CONTROL);
 957        qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL,
 958                          misc_control & 0xfffffffb);
 959        ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
 960        uaddr |= UA_ECS;
 961        for (i = 0; i < words_num; i++) {
 962                qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
 963                uaddr++;
 964                uwrd_lo = qat_hal_rd_ae_csr(handle, ae, USTORE_DATA_LOWER);
 965                uwrd_hi = qat_hal_rd_ae_csr(handle, ae, USTORE_DATA_UPPER);
 966                uword[i] = uwrd_hi;
 967                uword[i] = (uword[i] << 0x20) | uwrd_lo;
 968        }
 969        qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL, misc_control);
 970        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
 971}
 972
 973void qat_hal_wr_umem(struct icp_qat_fw_loader_handle *handle,
 974                     unsigned char ae, unsigned int uaddr,
 975                     unsigned int words_num, unsigned int *data)
 976{
 977        unsigned int i, ustore_addr;
 978
 979        ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
 980        uaddr |= UA_ECS;
 981        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
 982        for (i = 0; i < words_num; i++) {
 983                unsigned int uwrd_lo, uwrd_hi, tmp;
 984
 985                uwrd_lo = ((data[i] & 0xfff0000) << 4) | (0x3 << 18) |
 986                          ((data[i] & 0xff00) << 2) |
 987                          (0x3 << 8) | (data[i] & 0xff);
 988                uwrd_hi = (0xf << 4) | ((data[i] & 0xf0000000) >> 28);
 989                uwrd_hi |= (hweight32(data[i] & 0xffff) & 0x1) << 8;
 990                tmp = ((data[i] >> 0x10) & 0xffff);
 991                uwrd_hi |= (hweight32(tmp) & 0x1) << 9;
 992                qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_LOWER, uwrd_lo);
 993                qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_UPPER, uwrd_hi);
 994        }
 995        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
 996}
 997
 998#define MAX_EXEC_INST 100
 999static int qat_hal_exec_micro_inst(struct icp_qat_fw_loader_handle *handle,
1000                                   unsigned char ae, unsigned char ctx,
1001                                   u64 *micro_inst, unsigned int inst_num,
1002                                   int code_off, unsigned int max_cycle,
1003                                   unsigned int *endpc)
1004{
1005        unsigned int ind_lm_addr_byte0 = 0, ind_lm_addr_byte1 = 0;
1006        unsigned int ind_lm_addr_byte2 = 0, ind_lm_addr_byte3 = 0;
1007        unsigned int ind_t_index = 0, ind_t_index_byte = 0;
1008        unsigned int ind_lm_addr0 = 0, ind_lm_addr1 = 0;
1009        unsigned int ind_lm_addr2 = 0, ind_lm_addr3 = 0;
1010        u64 savuwords[MAX_EXEC_INST];
1011        unsigned int ind_cnt_sig;
1012        unsigned int ind_sig, act_sig;
1013        unsigned int csr_val = 0, newcsr_val;
1014        unsigned int savctx;
1015        unsigned int savcc, wakeup_events, savpc;
1016        unsigned int ctxarb_ctl, ctx_enables;
1017
1018        if ((inst_num > handle->hal_handle->max_ustore) || !micro_inst) {
1019                pr_err("QAT: invalid instruction num %d\n", inst_num);
1020                return -EINVAL;
1021        }
1022        /* save current context */
1023        ind_lm_addr0 = qat_hal_rd_indr_csr(handle, ae, ctx, LM_ADDR_0_INDIRECT);
1024        ind_lm_addr1 = qat_hal_rd_indr_csr(handle, ae, ctx, LM_ADDR_1_INDIRECT);
1025        ind_lm_addr_byte0 = qat_hal_rd_indr_csr(handle, ae, ctx,
1026                                                INDIRECT_LM_ADDR_0_BYTE_INDEX);
1027        ind_lm_addr_byte1 = qat_hal_rd_indr_csr(handle, ae, ctx,
1028                                                INDIRECT_LM_ADDR_1_BYTE_INDEX);
1029        if (handle->chip_info->lm2lm3) {
1030                ind_lm_addr2 = qat_hal_rd_indr_csr(handle, ae, ctx,
1031                                                   LM_ADDR_2_INDIRECT);
1032                ind_lm_addr3 = qat_hal_rd_indr_csr(handle, ae, ctx,
1033                                                   LM_ADDR_3_INDIRECT);
1034                ind_lm_addr_byte2 = qat_hal_rd_indr_csr(handle, ae, ctx,
1035                                                        INDIRECT_LM_ADDR_2_BYTE_INDEX);
1036                ind_lm_addr_byte3 = qat_hal_rd_indr_csr(handle, ae, ctx,
1037                                                        INDIRECT_LM_ADDR_3_BYTE_INDEX);
1038                ind_t_index = qat_hal_rd_indr_csr(handle, ae, ctx,
1039                                                  INDIRECT_T_INDEX);
1040                ind_t_index_byte = qat_hal_rd_indr_csr(handle, ae, ctx,
1041                                                       INDIRECT_T_INDEX_BYTE_INDEX);
1042        }
1043        if (inst_num <= MAX_EXEC_INST)
1044                qat_hal_get_uwords(handle, ae, 0, inst_num, savuwords);
1045        qat_hal_get_wakeup_event(handle, ae, ctx, &wakeup_events);
1046        savpc = qat_hal_rd_indr_csr(handle, ae, ctx, CTX_STS_INDIRECT);
1047        savpc = (savpc & handle->hal_handle->upc_mask) >> 0;
1048        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
1049        ctx_enables &= IGNORE_W1C_MASK;
1050        savcc = qat_hal_rd_ae_csr(handle, ae, CC_ENABLE);
1051        savctx = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
1052        ctxarb_ctl = qat_hal_rd_ae_csr(handle, ae, CTX_ARB_CNTL);
1053        ind_cnt_sig = qat_hal_rd_indr_csr(handle, ae, ctx,
1054                                          FUTURE_COUNT_SIGNAL_INDIRECT);
1055        ind_sig = qat_hal_rd_indr_csr(handle, ae, ctx,
1056                                      CTX_SIG_EVENTS_INDIRECT);
1057        act_sig = qat_hal_rd_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE);
1058        /* execute micro codes */
1059        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
1060        qat_hal_wr_uwords(handle, ae, 0, inst_num, micro_inst);
1061        qat_hal_wr_indr_csr(handle, ae, (1 << ctx), CTX_STS_INDIRECT, 0);
1062        qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS, ctx & ACS_ACNO);
1063        if (code_off)
1064                qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, savcc & 0xffffdfff);
1065        qat_hal_put_wakeup_event(handle, ae, (1 << ctx), XCWE_VOLUNTARY);
1066        qat_hal_wr_indr_csr(handle, ae, (1 << ctx), CTX_SIG_EVENTS_INDIRECT, 0);
1067        qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE, 0);
1068        qat_hal_enable_ctx(handle, ae, (1 << ctx));
1069        /* wait for micro codes to finish */
1070        if (qat_hal_wait_cycles(handle, ae, max_cycle, 1) != 0)
1071                return -EFAULT;
1072        if (endpc) {
1073                unsigned int ctx_status;
1074
1075                ctx_status = qat_hal_rd_indr_csr(handle, ae, ctx,
1076                                                 CTX_STS_INDIRECT);
1077                *endpc = ctx_status & handle->hal_handle->upc_mask;
1078        }
1079        /* retore to saved context */
1080        qat_hal_disable_ctx(handle, ae, (1 << ctx));
1081        if (inst_num <= MAX_EXEC_INST)
1082                qat_hal_wr_uwords(handle, ae, 0, inst_num, savuwords);
1083        qat_hal_put_wakeup_event(handle, ae, (1 << ctx), wakeup_events);
1084        qat_hal_wr_indr_csr(handle, ae, (1 << ctx), CTX_STS_INDIRECT,
1085                            handle->hal_handle->upc_mask & savpc);
1086        csr_val = qat_hal_rd_ae_csr(handle, ae, AE_MISC_CONTROL);
1087        newcsr_val = CLR_BIT(csr_val, MMC_SHARE_CS_BITPOS);
1088        qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL, newcsr_val);
1089        qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, savcc);
1090        qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS, savctx & ACS_ACNO);
1091        qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, ctxarb_ctl);
1092        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
1093                            LM_ADDR_0_INDIRECT, ind_lm_addr0);
1094        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
1095                            LM_ADDR_1_INDIRECT, ind_lm_addr1);
1096        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
1097                            INDIRECT_LM_ADDR_0_BYTE_INDEX, ind_lm_addr_byte0);
1098        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
1099                            INDIRECT_LM_ADDR_1_BYTE_INDEX, ind_lm_addr_byte1);
1100        if (handle->chip_info->lm2lm3) {
1101                qat_hal_wr_indr_csr(handle, ae, BIT(ctx), LM_ADDR_2_INDIRECT,
1102                                    ind_lm_addr2);
1103                qat_hal_wr_indr_csr(handle, ae, BIT(ctx), LM_ADDR_3_INDIRECT,
1104                                    ind_lm_addr3);
1105                qat_hal_wr_indr_csr(handle, ae, BIT(ctx),
1106                                    INDIRECT_LM_ADDR_2_BYTE_INDEX,
1107                                    ind_lm_addr_byte2);
1108                qat_hal_wr_indr_csr(handle, ae, BIT(ctx),
1109                                    INDIRECT_LM_ADDR_3_BYTE_INDEX,
1110                                    ind_lm_addr_byte3);
1111                qat_hal_wr_indr_csr(handle, ae, BIT(ctx),
1112                                    INDIRECT_T_INDEX, ind_t_index);
1113                qat_hal_wr_indr_csr(handle, ae, BIT(ctx),
1114                                    INDIRECT_T_INDEX_BYTE_INDEX,
1115                                    ind_t_index_byte);
1116        }
1117        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
1118                            FUTURE_COUNT_SIGNAL_INDIRECT, ind_cnt_sig);
1119        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
1120                            CTX_SIG_EVENTS_INDIRECT, ind_sig);
1121        qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE, act_sig);
1122        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
1123
1124        return 0;
1125}
1126
1127static int qat_hal_rd_rel_reg(struct icp_qat_fw_loader_handle *handle,
1128                              unsigned char ae, unsigned char ctx,
1129                              enum icp_qat_uof_regtype reg_type,
1130                              unsigned short reg_num, unsigned int *data)
1131{
1132        unsigned int savctx, uaddr, uwrd_lo, uwrd_hi;
1133        unsigned int ctxarb_cntl, ustore_addr, ctx_enables;
1134        unsigned short reg_addr;
1135        int status = 0;
1136        u64 insts, savuword;
1137
1138        reg_addr = qat_hal_get_reg_addr(reg_type, reg_num);
1139        if (reg_addr == BAD_REGADDR) {
1140                pr_err("QAT: bad regaddr=0x%x\n", reg_addr);
1141                return -EINVAL;
1142        }
1143        switch (reg_type) {
1144        case ICP_GPA_REL:
1145                insts = 0xA070000000ull | (reg_addr & 0x3ff);
1146                break;
1147        default:
1148                insts = (u64)0xA030000000ull | ((reg_addr & 0x3ff) << 10);
1149                break;
1150        }
1151        savctx = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
1152        ctxarb_cntl = qat_hal_rd_ae_csr(handle, ae, CTX_ARB_CNTL);
1153        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
1154        ctx_enables &= IGNORE_W1C_MASK;
1155        if (ctx != (savctx & ACS_ACNO))
1156                qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS,
1157                                  ctx & ACS_ACNO);
1158        qat_hal_get_uwords(handle, ae, 0, 1, &savuword);
1159        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
1160        ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
1161        uaddr = UA_ECS;
1162        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
1163        insts = qat_hal_set_uword_ecc(insts);
1164        uwrd_lo = (unsigned int)(insts & 0xffffffff);
1165        uwrd_hi = (unsigned int)(insts >> 0x20);
1166        qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_LOWER, uwrd_lo);
1167        qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_UPPER, uwrd_hi);
1168        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
1169        /* delay for at least 8 cycles */
1170        qat_hal_wait_cycles(handle, ae, 0x8, 0);
1171        /*
1172         * read ALU output
1173         * the instruction should have been executed
1174         * prior to clearing the ECS in putUwords
1175         */
1176        *data = qat_hal_rd_ae_csr(handle, ae, ALU_OUT);
1177        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
1178        qat_hal_wr_uwords(handle, ae, 0, 1, &savuword);
1179        if (ctx != (savctx & ACS_ACNO))
1180                qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS,
1181                                  savctx & ACS_ACNO);
1182        qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, ctxarb_cntl);
1183        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
1184
1185        return status;
1186}
1187
1188static int qat_hal_wr_rel_reg(struct icp_qat_fw_loader_handle *handle,
1189                              unsigned char ae, unsigned char ctx,
1190                              enum icp_qat_uof_regtype reg_type,
1191                              unsigned short reg_num, unsigned int data)
1192{
1193        unsigned short src_hiaddr, src_lowaddr, dest_addr, data16hi, data16lo;
1194        u64 insts[] = {
1195                0x0F440000000ull,
1196                0x0F040000000ull,
1197                0x0F0000C0300ull,
1198                0x0E000010000ull
1199        };
1200        const int num_inst = ARRAY_SIZE(insts), code_off = 1;
1201        const int imm_w1 = 0, imm_w0 = 1;
1202
1203        dest_addr = qat_hal_get_reg_addr(reg_type, reg_num);
1204        if (dest_addr == BAD_REGADDR) {
1205                pr_err("QAT: bad destAddr=0x%x\n", dest_addr);
1206                return -EINVAL;
1207        }
1208
1209        data16lo = 0xffff & data;
1210        data16hi = 0xffff & (data >> 0x10);
1211        src_hiaddr = qat_hal_get_reg_addr(ICP_NO_DEST, (unsigned short)
1212                                          (0xff & data16hi));
1213        src_lowaddr = qat_hal_get_reg_addr(ICP_NO_DEST, (unsigned short)
1214                                           (0xff & data16lo));
1215        switch (reg_type) {
1216        case ICP_GPA_REL:
1217                insts[imm_w1] = insts[imm_w1] | ((data16hi >> 8) << 20) |
1218                    ((src_hiaddr & 0x3ff) << 10) | (dest_addr & 0x3ff);
1219                insts[imm_w0] = insts[imm_w0] | ((data16lo >> 8) << 20) |
1220                    ((src_lowaddr & 0x3ff) << 10) | (dest_addr & 0x3ff);
1221                break;
1222        default:
1223                insts[imm_w1] = insts[imm_w1] | ((data16hi >> 8) << 20) |
1224                    ((dest_addr & 0x3ff) << 10) | (src_hiaddr & 0x3ff);
1225
1226                insts[imm_w0] = insts[imm_w0] | ((data16lo >> 8) << 20) |
1227                    ((dest_addr & 0x3ff) << 10) | (src_lowaddr & 0x3ff);
1228                break;
1229        }
1230
1231        return qat_hal_exec_micro_inst(handle, ae, ctx, insts, num_inst,
1232                                       code_off, num_inst * 0x5, NULL);
1233}
1234
1235int qat_hal_get_ins_num(void)
1236{
1237        return ARRAY_SIZE(inst_4b);
1238}
1239
1240static int qat_hal_concat_micro_code(u64 *micro_inst,
1241                                     unsigned int inst_num, unsigned int size,
1242                                     unsigned int addr, unsigned int *value)
1243{
1244        int i;
1245        unsigned int cur_value;
1246        const u64 *inst_arr;
1247        int fixup_offset;
1248        int usize = 0;
1249        int orig_num;
1250
1251        orig_num = inst_num;
1252        cur_value = value[0];
1253        inst_arr = inst_4b;
1254        usize = ARRAY_SIZE(inst_4b);
1255        fixup_offset = inst_num;
1256        for (i = 0; i < usize; i++)
1257                micro_inst[inst_num++] = inst_arr[i];
1258        INSERT_IMMED_GPRA_CONST(micro_inst[fixup_offset], (addr));
1259        fixup_offset++;
1260        INSERT_IMMED_GPRA_CONST(micro_inst[fixup_offset], 0);
1261        fixup_offset++;
1262        INSERT_IMMED_GPRB_CONST(micro_inst[fixup_offset], (cur_value >> 0));
1263        fixup_offset++;
1264        INSERT_IMMED_GPRB_CONST(micro_inst[fixup_offset], (cur_value >> 0x10));
1265
1266        return inst_num - orig_num;
1267}
1268
1269static int qat_hal_exec_micro_init_lm(struct icp_qat_fw_loader_handle *handle,
1270                                      unsigned char ae, unsigned char ctx,
1271                                      int *pfirst_exec, u64 *micro_inst,
1272                                      unsigned int inst_num)
1273{
1274        int stat = 0;
1275        unsigned int gpra0 = 0, gpra1 = 0, gpra2 = 0;
1276        unsigned int gprb0 = 0, gprb1 = 0;
1277
1278        if (*pfirst_exec) {
1279                qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0, &gpra0);
1280                qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x1, &gpra1);
1281                qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x2, &gpra2);
1282                qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0, &gprb0);
1283                qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0x1, &gprb1);
1284                *pfirst_exec = 0;
1285        }
1286        stat = qat_hal_exec_micro_inst(handle, ae, ctx, micro_inst, inst_num, 1,
1287                                       inst_num * 0x5, NULL);
1288        if (stat != 0)
1289                return -EFAULT;
1290        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0, gpra0);
1291        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x1, gpra1);
1292        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x2, gpra2);
1293        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0, gprb0);
1294        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0x1, gprb1);
1295
1296        return 0;
1297}
1298
1299int qat_hal_batch_wr_lm(struct icp_qat_fw_loader_handle *handle,
1300                        unsigned char ae,
1301                        struct icp_qat_uof_batch_init *lm_init_header)
1302{
1303        struct icp_qat_uof_batch_init *plm_init;
1304        u64 *micro_inst_arry;
1305        int micro_inst_num;
1306        int alloc_inst_size;
1307        int first_exec = 1;
1308        int stat = 0;
1309
1310        plm_init = lm_init_header->next;
1311        alloc_inst_size = lm_init_header->size;
1312        if ((unsigned int)alloc_inst_size > handle->hal_handle->max_ustore)
1313                alloc_inst_size = handle->hal_handle->max_ustore;
1314        micro_inst_arry = kmalloc_array(alloc_inst_size, sizeof(u64),
1315                                        GFP_KERNEL);
1316        if (!micro_inst_arry)
1317                return -ENOMEM;
1318        micro_inst_num = 0;
1319        while (plm_init) {
1320                unsigned int addr, *value, size;
1321
1322                ae = plm_init->ae;
1323                addr = plm_init->addr;
1324                value = plm_init->value;
1325                size = plm_init->size;
1326                micro_inst_num += qat_hal_concat_micro_code(micro_inst_arry,
1327                                                            micro_inst_num,
1328                                                            size, addr, value);
1329                plm_init = plm_init->next;
1330        }
1331        /* exec micro codes */
1332        if (micro_inst_arry && micro_inst_num > 0) {
1333                micro_inst_arry[micro_inst_num++] = 0x0E000010000ull;
1334                stat = qat_hal_exec_micro_init_lm(handle, ae, 0, &first_exec,
1335                                                  micro_inst_arry,
1336                                                  micro_inst_num);
1337        }
1338        kfree(micro_inst_arry);
1339        return stat;
1340}
1341
1342static int qat_hal_put_rel_rd_xfer(struct icp_qat_fw_loader_handle *handle,
1343                                   unsigned char ae, unsigned char ctx,
1344                                   enum icp_qat_uof_regtype reg_type,
1345                                   unsigned short reg_num, unsigned int val)
1346{
1347        int status = 0;
1348        unsigned int reg_addr;
1349        unsigned int ctx_enables;
1350        unsigned short mask;
1351        unsigned short dr_offset = 0x10;
1352
1353        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
1354        if (CE_INUSE_CONTEXTS & ctx_enables) {
1355                if (ctx & 0x1) {
1356                        pr_err("QAT: bad 4-ctx mode,ctx=0x%x\n", ctx);
1357                        return -EINVAL;
1358                }
1359                mask = 0x1f;
1360                dr_offset = 0x20;
1361        } else {
1362                mask = 0x0f;
1363        }
1364        if (reg_num & ~mask)
1365                return -EINVAL;
1366        reg_addr = reg_num + (ctx << 0x5);
1367        switch (reg_type) {
1368        case ICP_SR_RD_REL:
1369        case ICP_SR_REL:
1370                SET_AE_XFER(handle, ae, reg_addr, val);
1371                break;
1372        case ICP_DR_RD_REL:
1373        case ICP_DR_REL:
1374                SET_AE_XFER(handle, ae, (reg_addr + dr_offset), val);
1375                break;
1376        default:
1377                status = -EINVAL;
1378                break;
1379        }
1380        return status;
1381}
1382
1383static int qat_hal_put_rel_wr_xfer(struct icp_qat_fw_loader_handle *handle,
1384                                   unsigned char ae, unsigned char ctx,
1385                                   enum icp_qat_uof_regtype reg_type,
1386                                   unsigned short reg_num, unsigned int data)
1387{
1388        unsigned int gprval, ctx_enables;
1389        unsigned short src_hiaddr, src_lowaddr, gpr_addr, xfr_addr, data16hi,
1390            data16low;
1391        unsigned short reg_mask;
1392        int status = 0;
1393        u64 micro_inst[] = {
1394                0x0F440000000ull,
1395                0x0F040000000ull,
1396                0x0A000000000ull,
1397                0x0F0000C0300ull,
1398                0x0E000010000ull
1399        };
1400        const int num_inst = ARRAY_SIZE(micro_inst), code_off = 1;
1401        const unsigned short gprnum = 0, dly = num_inst * 0x5;
1402
1403        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
1404        if (CE_INUSE_CONTEXTS & ctx_enables) {
1405                if (ctx & 0x1) {
1406                        pr_err("QAT: 4-ctx mode,ctx=0x%x\n", ctx);
1407                        return -EINVAL;
1408                }
1409                reg_mask = (unsigned short)~0x1f;
1410        } else {
1411                reg_mask = (unsigned short)~0xf;
1412        }
1413        if (reg_num & reg_mask)
1414                return -EINVAL;
1415        xfr_addr = qat_hal_get_reg_addr(reg_type, reg_num);
1416        if (xfr_addr == BAD_REGADDR) {
1417                pr_err("QAT: bad xfrAddr=0x%x\n", xfr_addr);
1418                return -EINVAL;
1419        }
1420        status = qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, gprnum, &gprval);
1421        if (status) {
1422                pr_err("QAT: failed to read register");
1423                return status;
1424        }
1425        gpr_addr = qat_hal_get_reg_addr(ICP_GPB_REL, gprnum);
1426        data16low = 0xffff & data;
1427        data16hi = 0xffff & (data >> 0x10);
1428        src_hiaddr = qat_hal_get_reg_addr(ICP_NO_DEST,
1429                                          (unsigned short)(0xff & data16hi));
1430        src_lowaddr = qat_hal_get_reg_addr(ICP_NO_DEST,
1431                                           (unsigned short)(0xff & data16low));
1432        micro_inst[0] = micro_inst[0x0] | ((data16hi >> 8) << 20) |
1433            ((gpr_addr & 0x3ff) << 10) | (src_hiaddr & 0x3ff);
1434        micro_inst[1] = micro_inst[0x1] | ((data16low >> 8) << 20) |
1435            ((gpr_addr & 0x3ff) << 10) | (src_lowaddr & 0x3ff);
1436        micro_inst[0x2] = micro_inst[0x2] |
1437            ((xfr_addr & 0x3ff) << 20) | ((gpr_addr & 0x3ff) << 10);
1438        status = qat_hal_exec_micro_inst(handle, ae, ctx, micro_inst, num_inst,
1439                                         code_off, dly, NULL);
1440        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPB_REL, gprnum, gprval);
1441        return status;
1442}
1443
1444static int qat_hal_put_rel_nn(struct icp_qat_fw_loader_handle *handle,
1445                              unsigned char ae, unsigned char ctx,
1446                              unsigned short nn, unsigned int val)
1447{
1448        unsigned int ctx_enables;
1449        int stat = 0;
1450
1451        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
1452        ctx_enables &= IGNORE_W1C_MASK;
1453        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables | CE_NN_MODE);
1454
1455        stat = qat_hal_put_rel_wr_xfer(handle, ae, ctx, ICP_NEIGH_REL, nn, val);
1456        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
1457        return stat;
1458}
1459
1460static int qat_hal_convert_abs_to_rel(struct icp_qat_fw_loader_handle
1461                                      *handle, unsigned char ae,
1462                                      unsigned short absreg_num,
1463                                      unsigned short *relreg,
1464                                      unsigned char *ctx)
1465{
1466        unsigned int ctx_enables;
1467
1468        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
1469        if (ctx_enables & CE_INUSE_CONTEXTS) {
1470                /* 4-ctx mode */
1471                *relreg = absreg_num & 0x1F;
1472                *ctx = (absreg_num >> 0x4) & 0x6;
1473        } else {
1474                /* 8-ctx mode */
1475                *relreg = absreg_num & 0x0F;
1476                *ctx = (absreg_num >> 0x4) & 0x7;
1477        }
1478        return 0;
1479}
1480
1481int qat_hal_init_gpr(struct icp_qat_fw_loader_handle *handle,
1482                     unsigned char ae, unsigned long ctx_mask,
1483                     enum icp_qat_uof_regtype reg_type,
1484                     unsigned short reg_num, unsigned int regdata)
1485{
1486        int stat = 0;
1487        unsigned short reg;
1488        unsigned char ctx = 0;
1489        enum icp_qat_uof_regtype type;
1490
1491        if (reg_num >= ICP_QAT_UCLO_MAX_GPR_REG)
1492                return -EINVAL;
1493
1494        do {
1495                if (ctx_mask == 0) {
1496                        qat_hal_convert_abs_to_rel(handle, ae, reg_num, &reg,
1497                                                   &ctx);
1498                        type = reg_type - 1;
1499                } else {
1500                        reg = reg_num;
1501                        type = reg_type;
1502                        if (!test_bit(ctx, &ctx_mask))
1503                                continue;
1504                }
1505                stat = qat_hal_wr_rel_reg(handle, ae, ctx, type, reg, regdata);
1506                if (stat) {
1507                        pr_err("QAT: write gpr fail\n");
1508                        return -EINVAL;
1509                }
1510        } while (ctx_mask && (ctx++ < ICP_QAT_UCLO_MAX_CTX));
1511
1512        return 0;
1513}
1514
1515int qat_hal_init_wr_xfer(struct icp_qat_fw_loader_handle *handle,
1516                         unsigned char ae, unsigned long ctx_mask,
1517                         enum icp_qat_uof_regtype reg_type,
1518                         unsigned short reg_num, unsigned int regdata)
1519{
1520        int stat = 0;
1521        unsigned short reg;
1522        unsigned char ctx = 0;
1523        enum icp_qat_uof_regtype type;
1524
1525        if (reg_num >= ICP_QAT_UCLO_MAX_XFER_REG)
1526                return -EINVAL;
1527
1528        do {
1529                if (ctx_mask == 0) {
1530                        qat_hal_convert_abs_to_rel(handle, ae, reg_num, &reg,
1531                                                   &ctx);
1532                        type = reg_type - 3;
1533                } else {
1534                        reg = reg_num;
1535                        type = reg_type;
1536                        if (!test_bit(ctx, &ctx_mask))
1537                                continue;
1538                }
1539                stat = qat_hal_put_rel_wr_xfer(handle, ae, ctx, type, reg,
1540                                               regdata);
1541                if (stat) {
1542                        pr_err("QAT: write wr xfer fail\n");
1543                        return -EINVAL;
1544                }
1545        } while (ctx_mask && (ctx++ < ICP_QAT_UCLO_MAX_CTX));
1546
1547        return 0;
1548}
1549
1550int qat_hal_init_rd_xfer(struct icp_qat_fw_loader_handle *handle,
1551                         unsigned char ae, unsigned long ctx_mask,
1552                         enum icp_qat_uof_regtype reg_type,
1553                         unsigned short reg_num, unsigned int regdata)
1554{
1555        int stat = 0;
1556        unsigned short reg;
1557        unsigned char ctx = 0;
1558        enum icp_qat_uof_regtype type;
1559
1560        if (reg_num >= ICP_QAT_UCLO_MAX_XFER_REG)
1561                return -EINVAL;
1562
1563        do {
1564                if (ctx_mask == 0) {
1565                        qat_hal_convert_abs_to_rel(handle, ae, reg_num, &reg,
1566                                                   &ctx);
1567                        type = reg_type - 3;
1568                } else {
1569                        reg = reg_num;
1570                        type = reg_type;
1571                        if (!test_bit(ctx, &ctx_mask))
1572                                continue;
1573                }
1574                stat = qat_hal_put_rel_rd_xfer(handle, ae, ctx, type, reg,
1575                                               regdata);
1576                if (stat) {
1577                        pr_err("QAT: write rd xfer fail\n");
1578                        return -EINVAL;
1579                }
1580        } while (ctx_mask && (ctx++ < ICP_QAT_UCLO_MAX_CTX));
1581
1582        return 0;
1583}
1584
1585int qat_hal_init_nn(struct icp_qat_fw_loader_handle *handle,
1586                    unsigned char ae, unsigned long ctx_mask,
1587                    unsigned short reg_num, unsigned int regdata)
1588{
1589        int stat = 0;
1590        unsigned char ctx;
1591        if (!handle->chip_info->nn) {
1592                dev_err(&handle->pci_dev->dev, "QAT: No next neigh in 0x%x\n",
1593                        handle->pci_dev->device);
1594                return -EINVAL;
1595        }
1596
1597        if (ctx_mask == 0)
1598                return -EINVAL;
1599
1600        for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
1601                if (!test_bit(ctx, &ctx_mask))
1602                        continue;
1603                stat = qat_hal_put_rel_nn(handle, ae, ctx, reg_num, regdata);
1604                if (stat) {
1605                        pr_err("QAT: write neigh error\n");
1606                        return -EINVAL;
1607                }
1608        }
1609
1610        return 0;
1611}
1612