root/drivers/crypto/intel/qat/qat_common/qat_hal.c
// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
/* Copyright(c) 2014 - 2020 Intel Corporation */
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/pci_ids.h>

#include "adf_accel_devices.h"
#include "adf_common_drv.h"
#include "icp_qat_hal.h"
#include "icp_qat_uclo.h"

#define BAD_REGADDR                     0xffff
#define MAX_RETRY_TIMES                 10000
#define INIT_CTX_ARB_VALUE              0x0
#define INIT_CTX_ENABLE_VALUE           0x0
#define INIT_PC_VALUE                   0x0
#define INIT_WAKEUP_EVENTS_VALUE        0x1
#define INIT_SIG_EVENTS_VALUE           0x1
#define INIT_CCENABLE_VALUE             0x2000
#define RST_CSR_QAT_LSB                 20
#define RST_CSR_AE_LSB                  0
#define MC_TIMESTAMP_ENABLE             (0x1 << 7)
#define MIN_RESET_DELAY_US              3

#define IGNORE_W1C_MASK ((~(1 << CE_BREAKPOINT_BITPOS)) & \
        (~(1 << CE_CNTL_STORE_PARITY_ERROR_BITPOS)) & \
        (~(1 << CE_REG_PAR_ERR_BITPOS)))
#define INSERT_IMMED_GPRA_CONST(inst, const_val) \
        (inst = ((inst & 0xFFFF00C03FFull) | \
                ((((const_val) << 12) & 0x0FF00000ull) | \
                (((const_val) << 10) & 0x0003FC00ull))))
#define INSERT_IMMED_GPRB_CONST(inst, const_val) \
        (inst = ((inst & 0xFFFF00FFF00ull) | \
                ((((const_val) << 12) & 0x0FF00000ull) | \
                (((const_val) <<  0) & 0x000000FFull))))

#define AE(handle, ae) ((handle)->hal_handle->aes[ae])

static const u64 inst_4b[] = {
        0x0F0400C0000ull, 0x0F4400C0000ull, 0x0F040000300ull, 0x0F440000300ull,
        0x0FC066C0000ull, 0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull,
        0x0A021000000ull
};

static const u64 inst[] = {
        0x0F0000C0000ull, 0x0F000000380ull, 0x0D805000011ull, 0x0FC082C0300ull,
        0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull,
        0x0A0643C0000ull, 0x0BAC0000301ull, 0x0D802000101ull, 0x0F0000C0001ull,
        0x0FC066C0001ull, 0x0F0000C0300ull, 0x0F0000C0300ull, 0x0F0000C0300ull,
        0x0F000400300ull, 0x0A0610C0000ull, 0x0BAC0000301ull, 0x0D804400101ull,
        0x0A0580C0000ull, 0x0A0581C0000ull, 0x0A0582C0000ull, 0x0A0583C0000ull,
        0x0A0584C0000ull, 0x0A0585C0000ull, 0x0A0586C0000ull, 0x0A0587C0000ull,
        0x0A0588C0000ull, 0x0A0589C0000ull, 0x0A058AC0000ull, 0x0A058BC0000ull,
        0x0A058CC0000ull, 0x0A058DC0000ull, 0x0A058EC0000ull, 0x0A058FC0000ull,
        0x0A05C0C0000ull, 0x0A05C1C0000ull, 0x0A05C2C0000ull, 0x0A05C3C0000ull,
        0x0A05C4C0000ull, 0x0A05C5C0000ull, 0x0A05C6C0000ull, 0x0A05C7C0000ull,
        0x0A05C8C0000ull, 0x0A05C9C0000ull, 0x0A05CAC0000ull, 0x0A05CBC0000ull,
        0x0A05CCC0000ull, 0x0A05CDC0000ull, 0x0A05CEC0000ull, 0x0A05CFC0000ull,
        0x0A0400C0000ull, 0x0B0400C0000ull, 0x0A0401C0000ull, 0x0B0401C0000ull,
        0x0A0402C0000ull, 0x0B0402C0000ull, 0x0A0403C0000ull, 0x0B0403C0000ull,
        0x0A0404C0000ull, 0x0B0404C0000ull, 0x0A0405C0000ull, 0x0B0405C0000ull,
        0x0A0406C0000ull, 0x0B0406C0000ull, 0x0A0407C0000ull, 0x0B0407C0000ull,
        0x0A0408C0000ull, 0x0B0408C0000ull, 0x0A0409C0000ull, 0x0B0409C0000ull,
        0x0A040AC0000ull, 0x0B040AC0000ull, 0x0A040BC0000ull, 0x0B040BC0000ull,
        0x0A040CC0000ull, 0x0B040CC0000ull, 0x0A040DC0000ull, 0x0B040DC0000ull,
        0x0A040EC0000ull, 0x0B040EC0000ull, 0x0A040FC0000ull, 0x0B040FC0000ull,
        0x0D81581C010ull, 0x0E000010000ull, 0x0E000010000ull,
};

void qat_hal_set_live_ctx(struct icp_qat_fw_loader_handle *handle,
                          unsigned char ae, unsigned int ctx_mask)
{
        AE(handle, ae).live_ctx_mask = ctx_mask;
}

#define CSR_RETRY_TIMES 500
static int qat_hal_rd_ae_csr(struct icp_qat_fw_loader_handle *handle,
                             unsigned char ae, unsigned int csr)
{
        unsigned int iterations = CSR_RETRY_TIMES;
        int value;

        do {
                value = GET_AE_CSR(handle, ae, csr);
                if (!(GET_AE_CSR(handle, ae, LOCAL_CSR_STATUS) & LCS_STATUS))
                        return value;
        } while (iterations--);

        pr_err("QAT: Read CSR timeout\n");
        return 0;
}

static int qat_hal_wr_ae_csr(struct icp_qat_fw_loader_handle *handle,
                             unsigned char ae, unsigned int csr,
                             unsigned int value)
{
        unsigned int iterations = CSR_RETRY_TIMES;

        do {
                SET_AE_CSR(handle, ae, csr, value);
                if (!(GET_AE_CSR(handle, ae, LOCAL_CSR_STATUS) & LCS_STATUS))
                        return 0;
        } while (iterations--);

        pr_err("QAT: Write CSR Timeout\n");
        return -EFAULT;
}

static void qat_hal_get_wakeup_event(struct icp_qat_fw_loader_handle *handle,
                                     unsigned char ae, unsigned char ctx,
                                     unsigned int *events)
{
        unsigned int cur_ctx;

        cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
        *events = qat_hal_rd_ae_csr(handle, ae, CTX_WAKEUP_EVENTS_INDIRECT);
        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
}

static int qat_hal_wait_cycles(struct icp_qat_fw_loader_handle *handle,
                               unsigned char ae, unsigned int cycles,
                               int chk_inactive)
{
        unsigned int base_cnt = 0, cur_cnt = 0;
        unsigned int csr = (1 << ACS_ABO_BITPOS);
        int times = MAX_RETRY_TIMES;
        int elapsed_cycles = 0;

        base_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
        base_cnt &= 0xffff;
        while ((int)cycles > elapsed_cycles && times--) {
                if (chk_inactive)
                        csr = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);

                cur_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
                cur_cnt &= 0xffff;
                elapsed_cycles = cur_cnt - base_cnt;

                if (elapsed_cycles < 0)
                        elapsed_cycles += 0x10000;

                /* ensure at least 8 time cycles elapsed in wait_cycles */
                if (elapsed_cycles >= 8 && !(csr & (1 << ACS_ABO_BITPOS)))
                        return 0;
        }
        if (times < 0) {
                pr_err("QAT: wait_num_cycles time out\n");
                return -EFAULT;
        }
        return 0;
}

#define CLR_BIT(wrd, bit) ((wrd) & ~(1 << (bit)))
#define SET_BIT(wrd, bit) ((wrd) | 1 << (bit))

int qat_hal_set_ae_ctx_mode(struct icp_qat_fw_loader_handle *handle,
                            unsigned char ae, unsigned char mode)
{
        unsigned int csr, new_csr;

        if (mode != 4 && mode != 8) {
                pr_err("QAT: bad ctx mode=%d\n", mode);
                return -EINVAL;
        }

        /* Sets the acceleration engine context mode to either four or eight */
        csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        csr = IGNORE_W1C_MASK & csr;
        new_csr = (mode == 4) ?
                SET_BIT(csr, CE_INUSE_CONTEXTS_BITPOS) :
                CLR_BIT(csr, CE_INUSE_CONTEXTS_BITPOS);
        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);
        return 0;
}

int qat_hal_set_ae_nn_mode(struct icp_qat_fw_loader_handle *handle,
                           unsigned char ae, unsigned char mode)
{
        unsigned int csr, new_csr;

        csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        csr &= IGNORE_W1C_MASK;

        new_csr = (mode) ?
                SET_BIT(csr, CE_NN_MODE_BITPOS) :
                CLR_BIT(csr, CE_NN_MODE_BITPOS);

        if (new_csr != csr)
                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);

        return 0;
}

int qat_hal_set_ae_lm_mode(struct icp_qat_fw_loader_handle *handle,
                           unsigned char ae, enum icp_qat_uof_regtype lm_type,
                           unsigned char mode)
{
        unsigned int csr, new_csr;

        csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        csr &= IGNORE_W1C_MASK;
        switch (lm_type) {
        case ICP_LMEM0:
                new_csr = (mode) ?
                        SET_BIT(csr, CE_LMADDR_0_GLOBAL_BITPOS) :
                        CLR_BIT(csr, CE_LMADDR_0_GLOBAL_BITPOS);
                break;
        case ICP_LMEM1:
                new_csr = (mode) ?
                        SET_BIT(csr, CE_LMADDR_1_GLOBAL_BITPOS) :
                        CLR_BIT(csr, CE_LMADDR_1_GLOBAL_BITPOS);
                break;
        case ICP_LMEM2:
                new_csr = (mode) ?
                        SET_BIT(csr, CE_LMADDR_2_GLOBAL_BITPOS) :
                        CLR_BIT(csr, CE_LMADDR_2_GLOBAL_BITPOS);
                break;
        case ICP_LMEM3:
                new_csr = (mode) ?
                        SET_BIT(csr, CE_LMADDR_3_GLOBAL_BITPOS) :
                        CLR_BIT(csr, CE_LMADDR_3_GLOBAL_BITPOS);
                break;
        default:
                pr_err("QAT: lmType = 0x%x\n", lm_type);
                return -EINVAL;
        }

        if (new_csr != csr)
                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);
        return 0;
}

void qat_hal_set_ae_tindex_mode(struct icp_qat_fw_loader_handle *handle,
                                unsigned char ae, unsigned char mode)
{
        unsigned int csr, new_csr;

        csr = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        csr &= IGNORE_W1C_MASK;
        new_csr = (mode) ?
                  SET_BIT(csr, CE_T_INDEX_GLOBAL_BITPOS) :
                  CLR_BIT(csr, CE_T_INDEX_GLOBAL_BITPOS);
        if (new_csr != csr)
                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, new_csr);
}

static unsigned short qat_hal_get_reg_addr(unsigned int type,
                                           unsigned short reg_num)
{
        unsigned short reg_addr;

        switch (type) {
        case ICP_GPA_ABS:
        case ICP_GPB_ABS:
                reg_addr = 0x80 | (reg_num & 0x7f);
                break;
        case ICP_GPA_REL:
        case ICP_GPB_REL:
                reg_addr = reg_num & 0x1f;
                break;
        case ICP_SR_RD_REL:
        case ICP_SR_WR_REL:
        case ICP_SR_REL:
                reg_addr = 0x180 | (reg_num & 0x1f);
                break;
        case ICP_SR_ABS:
                reg_addr = 0x140 | ((reg_num & 0x3) << 1);
                break;
        case ICP_DR_RD_REL:
        case ICP_DR_WR_REL:
        case ICP_DR_REL:
                reg_addr = 0x1c0 | (reg_num & 0x1f);
                break;
        case ICP_DR_ABS:
                reg_addr = 0x100 | ((reg_num & 0x3) << 1);
                break;
        case ICP_NEIGH_REL:
                reg_addr = 0x280 | (reg_num & 0x1f);
                break;
        case ICP_LMEM0:
                reg_addr = 0x200;
                break;
        case ICP_LMEM1:
                reg_addr = 0x220;
                break;
        case ICP_LMEM2:
                reg_addr = 0x2c0;
                break;
        case ICP_LMEM3:
                reg_addr = 0x2e0;
                break;
        case ICP_NO_DEST:
                reg_addr = 0x300 | (reg_num & 0xff);
                break;
        default:
                reg_addr = BAD_REGADDR;
                break;
        }
        return reg_addr;
}

void qat_hal_reset(struct icp_qat_fw_loader_handle *handle)
{
        unsigned int reset_mask = handle->chip_info->icp_rst_mask;
        unsigned int reset_csr = handle->chip_info->icp_rst_csr;
        unsigned int csr_val;

        csr_val = GET_CAP_CSR(handle, reset_csr);
        csr_val |= reset_mask;
        SET_CAP_CSR(handle, reset_csr, csr_val);
}

static void qat_hal_wr_indr_csr(struct icp_qat_fw_loader_handle *handle,
                                unsigned char ae, unsigned int ctx_mask,
                                unsigned int ae_csr, unsigned int csr_val)
{
        unsigned int ctx, cur_ctx;

        cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);

        for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
                if (!(ctx_mask & (1 << ctx)))
                        continue;
                qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
                qat_hal_wr_ae_csr(handle, ae, ae_csr, csr_val);
        }

        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
}

static unsigned int qat_hal_rd_indr_csr(struct icp_qat_fw_loader_handle *handle,
                                unsigned char ae, unsigned char ctx,
                                unsigned int ae_csr)
{
        unsigned int cur_ctx, csr_val;

        cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
        csr_val = qat_hal_rd_ae_csr(handle, ae, ae_csr);
        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);

        return csr_val;
}

static void qat_hal_put_sig_event(struct icp_qat_fw_loader_handle *handle,
                                  unsigned char ae, unsigned int ctx_mask,
                                  unsigned int events)
{
        unsigned int ctx, cur_ctx;

        cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
        for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
                if (!(ctx_mask & (1 << ctx)))
                        continue;
                qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
                qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_INDIRECT, events);
        }
        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
}

static void qat_hal_put_wakeup_event(struct icp_qat_fw_loader_handle *handle,
                                     unsigned char ae, unsigned int ctx_mask,
                                     unsigned int events)
{
        unsigned int ctx, cur_ctx;

        cur_ctx = qat_hal_rd_ae_csr(handle, ae, CSR_CTX_POINTER);
        for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
                if (!(ctx_mask & (1 << ctx)))
                        continue;
                qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, ctx);
                qat_hal_wr_ae_csr(handle, ae, CTX_WAKEUP_EVENTS_INDIRECT,
                                  events);
        }
        qat_hal_wr_ae_csr(handle, ae, CSR_CTX_POINTER, cur_ctx);
}

static int qat_hal_check_ae_alive(struct icp_qat_fw_loader_handle *handle)
{
        unsigned long ae_mask = handle->hal_handle->ae_mask;
        unsigned int base_cnt, cur_cnt;
        unsigned char ae;
        int times = MAX_RETRY_TIMES;

        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
                base_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
                base_cnt &= 0xffff;

                do {
                        cur_cnt = qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT);
                        cur_cnt &= 0xffff;
                } while (times-- && (cur_cnt == base_cnt));

                if (times < 0) {
                        pr_err("QAT: AE%d is inactive!!\n", ae);
                        return -EFAULT;
                }
        }

        return 0;
}

int qat_hal_check_ae_active(struct icp_qat_fw_loader_handle *handle,
                            unsigned int ae)
{
        unsigned int enable = 0, active = 0;

        enable = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        active = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
        if ((enable & (0xff << CE_ENABLE_BITPOS)) ||
            (active & (1 << ACS_ABO_BITPOS)))
                return 1;
        else
                return 0;
}

static void qat_hal_reset_timestamp(struct icp_qat_fw_loader_handle *handle)
{
        unsigned long ae_mask = handle->hal_handle->ae_mask;
        unsigned int misc_ctl_csr, misc_ctl;
        unsigned char ae;

        misc_ctl_csr = handle->chip_info->misc_ctl_csr;
        /* stop the timestamp timers */
        misc_ctl = GET_CAP_CSR(handle, misc_ctl_csr);
        if (misc_ctl & MC_TIMESTAMP_ENABLE)
                SET_CAP_CSR(handle, misc_ctl_csr, misc_ctl &
                            (~MC_TIMESTAMP_ENABLE));

        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
                qat_hal_wr_ae_csr(handle, ae, TIMESTAMP_LOW, 0);
                qat_hal_wr_ae_csr(handle, ae, TIMESTAMP_HIGH, 0);
        }
        /* start timestamp timers */
        SET_CAP_CSR(handle, misc_ctl_csr, misc_ctl | MC_TIMESTAMP_ENABLE);
}

#define ESRAM_AUTO_TINIT        BIT(2)
#define ESRAM_AUTO_TINIT_DONE   BIT(3)
#define ESRAM_AUTO_INIT_USED_CYCLES (1640)
#define ESRAM_AUTO_INIT_CSR_OFFSET 0xC1C
static int qat_hal_init_esram(struct icp_qat_fw_loader_handle *handle)
{
        void __iomem *csr_addr =
                        (void __iomem *)((uintptr_t)handle->hal_ep_csr_addr_v +
                        ESRAM_AUTO_INIT_CSR_OFFSET);
        unsigned int csr_val;
        int times = 30;

        if (handle->pci_dev->device != PCI_DEVICE_ID_INTEL_QAT_DH895XCC)
                return 0;

        csr_val = ADF_CSR_RD(csr_addr, 0);
        if ((csr_val & ESRAM_AUTO_TINIT) && (csr_val & ESRAM_AUTO_TINIT_DONE))
                return 0;

        csr_val = ADF_CSR_RD(csr_addr, 0);
        csr_val |= ESRAM_AUTO_TINIT;
        ADF_CSR_WR(csr_addr, 0, csr_val);

        do {
                qat_hal_wait_cycles(handle, 0, ESRAM_AUTO_INIT_USED_CYCLES, 0);
                csr_val = ADF_CSR_RD(csr_addr, 0);
        } while (!(csr_val & ESRAM_AUTO_TINIT_DONE) && times--);
        if (times < 0) {
                pr_err("QAT: Fail to init eSram!\n");
                return -EFAULT;
        }
        return 0;
}

#define SHRAM_INIT_CYCLES 2060
int qat_hal_clr_reset(struct icp_qat_fw_loader_handle *handle)
{
        unsigned int clk_csr = handle->chip_info->glb_clk_enable_csr;
        unsigned int reset_mask = handle->chip_info->icp_rst_mask;
        unsigned int reset_csr = handle->chip_info->icp_rst_csr;
        unsigned long ae_mask = handle->hal_handle->ae_mask;
        unsigned char ae = 0;
        unsigned int times = 100;
        unsigned int csr_val;

        /* write to the reset csr */
        csr_val = GET_CAP_CSR(handle, reset_csr);
        csr_val &= ~reset_mask;
        do {
                SET_CAP_CSR(handle, reset_csr, csr_val);
                if (!(times--))
                        goto out_err;
                csr_val = GET_CAP_CSR(handle, reset_csr);
                csr_val &= reset_mask;
        } while (csr_val);
        /* enable clock */
        csr_val = GET_CAP_CSR(handle, clk_csr);
        csr_val |= reset_mask;
        SET_CAP_CSR(handle, clk_csr, csr_val);
        if (qat_hal_check_ae_alive(handle))
                goto out_err;

        /* Set undefined power-up/reset states to reasonable default values */
        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES,
                                  INIT_CTX_ENABLE_VALUE);
                qat_hal_wr_indr_csr(handle, ae, ICP_QAT_UCLO_AE_ALL_CTX,
                                    CTX_STS_INDIRECT,
                                    handle->hal_handle->upc_mask &
                                    INIT_PC_VALUE);
                qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, INIT_CTX_ARB_VALUE);
                qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, INIT_CCENABLE_VALUE);
                qat_hal_put_wakeup_event(handle, ae,
                                         ICP_QAT_UCLO_AE_ALL_CTX,
                                         INIT_WAKEUP_EVENTS_VALUE);
                qat_hal_put_sig_event(handle, ae,
                                      ICP_QAT_UCLO_AE_ALL_CTX,
                                      INIT_SIG_EVENTS_VALUE);
        }
        if (qat_hal_init_esram(handle))
                goto out_err;
        if (qat_hal_wait_cycles(handle, 0, SHRAM_INIT_CYCLES, 0))
                goto out_err;
        qat_hal_reset_timestamp(handle);

        return 0;
out_err:
        pr_err("QAT: failed to get device out of reset\n");
        return -EFAULT;
}

static void qat_hal_disable_ctx(struct icp_qat_fw_loader_handle *handle,
                                unsigned char ae, unsigned int ctx_mask)
{
        unsigned int ctx;

        ctx = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        ctx &= IGNORE_W1C_MASK &
                (~((ctx_mask & ICP_QAT_UCLO_AE_ALL_CTX) << CE_ENABLE_BITPOS));
        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx);
}

static u64 qat_hal_parity_64bit(u64 word)
{
        word ^= word >> 1;
        word ^= word >> 2;
        word ^= word >> 4;
        word ^= word >> 8;
        word ^= word >> 16;
        word ^= word >> 32;
        return word & 1;
}

static u64 qat_hal_set_uword_ecc(u64 uword)
{
        u64 bit0_mask = 0xff800007fffULL, bit1_mask = 0x1f801ff801fULL,
                bit2_mask = 0xe387e0781e1ULL, bit3_mask = 0x7cb8e388e22ULL,
                bit4_mask = 0xaf5b2c93244ULL, bit5_mask = 0xf56d5525488ULL,
                bit6_mask = 0xdaf69a46910ULL;

        /* clear the ecc bits */
        uword &= ~(0x7fULL << 0x2C);
        uword |= qat_hal_parity_64bit(bit0_mask & uword) << 0x2C;
        uword |= qat_hal_parity_64bit(bit1_mask & uword) << 0x2D;
        uword |= qat_hal_parity_64bit(bit2_mask & uword) << 0x2E;
        uword |= qat_hal_parity_64bit(bit3_mask & uword) << 0x2F;
        uword |= qat_hal_parity_64bit(bit4_mask & uword) << 0x30;
        uword |= qat_hal_parity_64bit(bit5_mask & uword) << 0x31;
        uword |= qat_hal_parity_64bit(bit6_mask & uword) << 0x32;
        return uword;
}

void qat_hal_wr_uwords(struct icp_qat_fw_loader_handle *handle,
                       unsigned char ae, unsigned int uaddr,
                       unsigned int words_num, u64 *uword)
{
        unsigned int ustore_addr;
        unsigned int i;

        ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
        uaddr |= UA_ECS;
        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
        for (i = 0; i < words_num; i++) {
                unsigned int uwrd_lo, uwrd_hi;
                u64 tmp;

                tmp = qat_hal_set_uword_ecc(uword[i]);
                uwrd_lo = (unsigned int)(tmp & 0xffffffff);
                uwrd_hi = (unsigned int)(tmp >> 0x20);
                qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_LOWER, uwrd_lo);
                qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_UPPER, uwrd_hi);
        }
        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
}

static void qat_hal_enable_ctx(struct icp_qat_fw_loader_handle *handle,
                               unsigned char ae, unsigned int ctx_mask)
{
        unsigned int ctx;

        ctx = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        ctx &= IGNORE_W1C_MASK;
        ctx_mask &= (ctx & CE_INUSE_CONTEXTS) ? 0x55 : 0xFF;
        ctx |= (ctx_mask << CE_ENABLE_BITPOS);
        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx);
}

static void qat_hal_clear_xfer(struct icp_qat_fw_loader_handle *handle)
{
        unsigned long ae_mask = handle->hal_handle->ae_mask;
        unsigned char ae;
        unsigned short reg;

        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
                for (reg = 0; reg < ICP_QAT_UCLO_MAX_GPR_REG; reg++) {
                        qat_hal_init_rd_xfer(handle, ae, 0, ICP_SR_RD_ABS,
                                             reg, 0);
                        qat_hal_init_rd_xfer(handle, ae, 0, ICP_DR_RD_ABS,
                                             reg, 0);
                }
        }
}

static int qat_hal_clear_gpr(struct icp_qat_fw_loader_handle *handle)
{
        unsigned long ae_mask = handle->hal_handle->ae_mask;
        unsigned char ae;
        unsigned int ctx_mask = ICP_QAT_UCLO_AE_ALL_CTX;
        int times = MAX_RETRY_TIMES;
        unsigned int csr_val = 0;
        unsigned int savctx = 0;
        int ret = 0;

        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
                csr_val = qat_hal_rd_ae_csr(handle, ae, AE_MISC_CONTROL);
                csr_val &= ~(1 << MMC_SHARE_CS_BITPOS);
                qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL, csr_val);
                csr_val = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
                csr_val &= IGNORE_W1C_MASK;
                if (handle->chip_info->nn)
                        csr_val |= CE_NN_MODE;

                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, csr_val);
                qat_hal_wr_uwords(handle, ae, 0, ARRAY_SIZE(inst),
                                  (u64 *)inst);
                qat_hal_wr_indr_csr(handle, ae, ctx_mask, CTX_STS_INDIRECT,
                                    handle->hal_handle->upc_mask &
                                    INIT_PC_VALUE);
                savctx = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
                qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS, 0);
                qat_hal_put_wakeup_event(handle, ae, ctx_mask, XCWE_VOLUNTARY);
                qat_hal_wr_indr_csr(handle, ae, ctx_mask,
                                    CTX_SIG_EVENTS_INDIRECT, 0);
                qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE, 0);
                qat_hal_enable_ctx(handle, ae, ctx_mask);
        }
        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
                /* wait for AE to finish */
                do {
                        ret = qat_hal_wait_cycles(handle, ae, 20, 1);
                } while (ret && times--);

                if (times < 0) {
                        pr_err("QAT: clear GPR of AE %d failed", ae);
                        return -EINVAL;
                }
                qat_hal_disable_ctx(handle, ae, ctx_mask);
                qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS,
                                  savctx & ACS_ACNO);
                qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES,
                                  INIT_CTX_ENABLE_VALUE);
                qat_hal_wr_indr_csr(handle, ae, ctx_mask, CTX_STS_INDIRECT,
                                    handle->hal_handle->upc_mask &
                                    INIT_PC_VALUE);
                qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, INIT_CTX_ARB_VALUE);
                qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, INIT_CCENABLE_VALUE);
                qat_hal_put_wakeup_event(handle, ae, ctx_mask,
                                         INIT_WAKEUP_EVENTS_VALUE);
                qat_hal_put_sig_event(handle, ae, ctx_mask,
                                      INIT_SIG_EVENTS_VALUE);
        }
        return 0;
}

static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle,
                             struct adf_accel_dev *accel_dev)
{
        struct adf_accel_pci *pci_info = &accel_dev->accel_pci_dev;
        struct adf_hw_device_data *hw_data = accel_dev->hw_device;
        void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
        unsigned int max_en_ae_id = 0;
        struct adf_bar *sram_bar;
        unsigned int csr_val = 0;
        unsigned long ae_mask;
        unsigned char ae = 0;
        int ret = 0;

        handle->pci_dev = pci_info->pci_dev;
        switch (handle->pci_dev->device) {
        case PCI_DEVICE_ID_INTEL_QAT_4XXX:
        case PCI_DEVICE_ID_INTEL_QAT_401XX:
        case PCI_DEVICE_ID_INTEL_QAT_402XX:
        case PCI_DEVICE_ID_INTEL_QAT_420XX:
        case PCI_DEVICE_ID_INTEL_QAT_6XXX:
                handle->chip_info->mmp_sram_size = 0;
                handle->chip_info->nn = false;
                handle->chip_info->lm2lm3 = true;
                handle->chip_info->lm_size = ICP_QAT_UCLO_MAX_LMEM_REG_2X;
                handle->chip_info->icp_rst_csr = ICP_RESET_CPP0;
                if (handle->pci_dev->device == PCI_DEVICE_ID_INTEL_QAT_420XX)
                        handle->chip_info->icp_rst_mask = 0x100155;
                else
                        handle->chip_info->icp_rst_mask = 0x100015;
                handle->chip_info->glb_clk_enable_csr = ICP_GLOBAL_CLK_ENABLE_CPP0;
                handle->chip_info->misc_ctl_csr = MISC_CONTROL_C4XXX;
                handle->chip_info->wakeup_event_val = 0x80000000;
                handle->chip_info->fw_auth = true;
                handle->chip_info->css_3k = true;
                if (handle->pci_dev->device == PCI_DEVICE_ID_INTEL_QAT_6XXX) {
                        handle->chip_info->dual_sign = true;
                        handle->chip_info->reset_delay_us = MIN_RESET_DELAY_US;
                }
                handle->chip_info->tgroup_share_ustore = true;
                handle->chip_info->fcu_ctl_csr = FCU_CONTROL_4XXX;
                handle->chip_info->fcu_sts_csr = FCU_STATUS_4XXX;
                handle->chip_info->fcu_dram_addr_hi = FCU_DRAM_ADDR_HI_4XXX;
                handle->chip_info->fcu_dram_addr_lo = FCU_DRAM_ADDR_LO_4XXX;
                handle->chip_info->fcu_loaded_ae_csr = FCU_AE_LOADED_4XXX;
                handle->chip_info->fcu_loaded_ae_pos = 0;

                handle->hal_cap_g_ctl_csr_addr_v = pmisc_addr + ICP_QAT_CAP_OFFSET_4XXX;
                handle->hal_cap_ae_xfer_csr_addr_v = pmisc_addr + ICP_QAT_AE_OFFSET_4XXX;
                handle->hal_ep_csr_addr_v = pmisc_addr + ICP_QAT_EP_OFFSET_4XXX;
                handle->hal_cap_ae_local_csr_addr_v =
                        (void __iomem *)((uintptr_t)handle->hal_cap_ae_xfer_csr_addr_v
                        + LOCAL_TO_XFER_REG_OFFSET);
                break;
        case PCI_DEVICE_ID_INTEL_QAT_C62X:
        case PCI_DEVICE_ID_INTEL_QAT_C3XXX:
                handle->chip_info->mmp_sram_size = 0;
                handle->chip_info->nn = true;
                handle->chip_info->lm2lm3 = false;
                handle->chip_info->lm_size = ICP_QAT_UCLO_MAX_LMEM_REG;
                handle->chip_info->icp_rst_csr = ICP_RESET;
                handle->chip_info->icp_rst_mask = (hw_data->ae_mask << RST_CSR_AE_LSB) |
                                                  (hw_data->accel_mask << RST_CSR_QAT_LSB);
                handle->chip_info->glb_clk_enable_csr = ICP_GLOBAL_CLK_ENABLE;
                handle->chip_info->misc_ctl_csr = MISC_CONTROL;
                handle->chip_info->wakeup_event_val = WAKEUP_EVENT;
                handle->chip_info->fw_auth = true;
                handle->chip_info->css_3k = false;
                handle->chip_info->tgroup_share_ustore = false;
                handle->chip_info->fcu_ctl_csr = FCU_CONTROL;
                handle->chip_info->fcu_sts_csr = FCU_STATUS;
                handle->chip_info->fcu_dram_addr_hi = FCU_DRAM_ADDR_HI;
                handle->chip_info->fcu_dram_addr_lo = FCU_DRAM_ADDR_LO;
                handle->chip_info->fcu_loaded_ae_csr = FCU_STATUS;
                handle->chip_info->fcu_loaded_ae_pos = FCU_LOADED_AE_POS;
                handle->hal_cap_g_ctl_csr_addr_v = pmisc_addr + ICP_QAT_CAP_OFFSET;
                handle->hal_cap_ae_xfer_csr_addr_v = pmisc_addr + ICP_QAT_AE_OFFSET;
                handle->hal_ep_csr_addr_v = pmisc_addr + ICP_QAT_EP_OFFSET;
                handle->hal_cap_ae_local_csr_addr_v =
                        (void __iomem *)((uintptr_t)handle->hal_cap_ae_xfer_csr_addr_v
                        + LOCAL_TO_XFER_REG_OFFSET);
                break;
        case PCI_DEVICE_ID_INTEL_QAT_DH895XCC:
                handle->chip_info->mmp_sram_size = 0x40000;
                handle->chip_info->nn = true;
                handle->chip_info->lm2lm3 = false;
                handle->chip_info->lm_size = ICP_QAT_UCLO_MAX_LMEM_REG;
                handle->chip_info->icp_rst_csr = ICP_RESET;
                handle->chip_info->icp_rst_mask = (hw_data->ae_mask << RST_CSR_AE_LSB) |
                                                  (hw_data->accel_mask << RST_CSR_QAT_LSB);
                handle->chip_info->glb_clk_enable_csr = ICP_GLOBAL_CLK_ENABLE;
                handle->chip_info->misc_ctl_csr = MISC_CONTROL;
                handle->chip_info->wakeup_event_val = WAKEUP_EVENT;
                handle->chip_info->fw_auth = false;
                handle->chip_info->css_3k = false;
                handle->chip_info->tgroup_share_ustore = false;
                handle->chip_info->fcu_ctl_csr = 0;
                handle->chip_info->fcu_sts_csr = 0;
                handle->chip_info->fcu_dram_addr_hi = 0;
                handle->chip_info->fcu_dram_addr_lo = 0;
                handle->chip_info->fcu_loaded_ae_csr = 0;
                handle->chip_info->fcu_loaded_ae_pos = 0;
                handle->hal_cap_g_ctl_csr_addr_v = pmisc_addr + ICP_QAT_CAP_OFFSET;
                handle->hal_cap_ae_xfer_csr_addr_v = pmisc_addr + ICP_QAT_AE_OFFSET;
                handle->hal_ep_csr_addr_v = pmisc_addr + ICP_QAT_EP_OFFSET;
                handle->hal_cap_ae_local_csr_addr_v =
                        (void __iomem *)((uintptr_t)handle->hal_cap_ae_xfer_csr_addr_v
                        + LOCAL_TO_XFER_REG_OFFSET);
                break;
        default:
                ret = -EINVAL;
                goto out_err;
        }

        if (handle->chip_info->mmp_sram_size > 0) {
                sram_bar =
                        &pci_info->pci_bars[hw_data->get_sram_bar_id(hw_data)];
                handle->hal_sram_addr_v = sram_bar->virt_addr;
        }
        handle->hal_handle->revision_id = accel_dev->accel_pci_dev.revid;
        handle->hal_handle->ae_mask = hw_data->ae_mask;
        handle->hal_handle->admin_ae_mask = hw_data->admin_ae_mask;
        handle->hal_handle->slice_mask = hw_data->accel_mask;
        handle->cfg_ae_mask = ALL_AE_MASK;
        /* create AE objects */
        handle->hal_handle->upc_mask = 0x1ffff;
        handle->hal_handle->max_ustore = 0x4000;

        ae_mask = handle->hal_handle->ae_mask;
        for_each_set_bit(ae, &ae_mask, ICP_QAT_UCLO_MAX_AE) {
                handle->hal_handle->aes[ae].free_addr = 0;
                handle->hal_handle->aes[ae].free_size =
                    handle->hal_handle->max_ustore;
                handle->hal_handle->aes[ae].ustore_size =
                    handle->hal_handle->max_ustore;
                handle->hal_handle->aes[ae].live_ctx_mask =
                                                ICP_QAT_UCLO_AE_ALL_CTX;
                max_en_ae_id = ae;
        }
        handle->hal_handle->ae_max_num = max_en_ae_id + 1;

        /* Set SIGNATURE_ENABLE[0] to 0x1 in order to enable ALU_OUT csr */
        for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
                csr_val = qat_hal_rd_ae_csr(handle, ae, SIGNATURE_ENABLE);
                csr_val |= 0x1;
                qat_hal_wr_ae_csr(handle, ae, SIGNATURE_ENABLE, csr_val);
        }
out_err:
        return ret;
}

int qat_hal_init(struct adf_accel_dev *accel_dev)
{
        struct icp_qat_fw_loader_handle *handle;
        int ret = 0;

        handle = kzalloc_obj(*handle);
        if (!handle)
                return -ENOMEM;

        handle->hal_handle = kzalloc_obj(*handle->hal_handle);
        if (!handle->hal_handle) {
                ret = -ENOMEM;
                goto out_hal_handle;
        }

        handle->chip_info = kzalloc_obj(*handle->chip_info);
        if (!handle->chip_info) {
                ret = -ENOMEM;
                goto out_chip_info;
        }

        ret = qat_hal_chip_init(handle, accel_dev);
        if (ret) {
                dev_err(&GET_DEV(accel_dev), "qat_hal_chip_init error\n");
                goto out_err;
        }

        /* take all AEs out of reset */
        ret = qat_hal_clr_reset(handle);
        if (ret) {
                dev_err(&GET_DEV(accel_dev), "qat_hal_clr_reset error\n");
                goto out_err;
        }

        qat_hal_clear_xfer(handle);
        if (!handle->chip_info->fw_auth) {
                ret = qat_hal_clear_gpr(handle);
                if (ret)
                        goto out_err;
        }

        accel_dev->fw_loader->fw_loader = handle;
        return 0;

out_err:
        kfree(handle->chip_info);
out_chip_info:
        kfree(handle->hal_handle);
out_hal_handle:
        kfree(handle);
        return ret;
}

void qat_hal_deinit(struct icp_qat_fw_loader_handle *handle)
{
        if (!handle)
                return;
        kfree(handle->chip_info);
        kfree(handle->hal_handle);
        kfree(handle);
}

int qat_hal_start(struct icp_qat_fw_loader_handle *handle)
{
        unsigned long ae_mask = handle->hal_handle->ae_mask;
        u32 wakeup_val = handle->chip_info->wakeup_event_val;
        u32 fcu_ctl_csr, fcu_sts_csr;
        unsigned int fcu_sts;
        unsigned char ae;
        u32 ae_ctr = 0;
        int retry = 0;

        if (handle->chip_info->fw_auth) {
                fcu_ctl_csr = handle->chip_info->fcu_ctl_csr;
                fcu_sts_csr = handle->chip_info->fcu_sts_csr;
                ae_ctr = hweight32(ae_mask);
                SET_CAP_CSR(handle, fcu_ctl_csr, FCU_CTRL_CMD_START);
                do {
                        msleep(FW_AUTH_WAIT_PERIOD);
                        fcu_sts = GET_CAP_CSR(handle, fcu_sts_csr);
                        if (((fcu_sts >> FCU_STS_DONE_POS) & 0x1))
                                return ae_ctr;
                } while (retry++ < FW_AUTH_MAX_RETRY);
                pr_err("QAT: start error (FCU_STS = 0x%x)\n", fcu_sts);
                return 0;
        } else {
                for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
                        qat_hal_put_wakeup_event(handle, ae, 0, wakeup_val);
                        qat_hal_enable_ctx(handle, ae, ICP_QAT_UCLO_AE_ALL_CTX);
                        ae_ctr++;
                }
                return ae_ctr;
        }
}

void qat_hal_stop(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
                  unsigned int ctx_mask)
{
        if (!handle->chip_info->fw_auth)
                qat_hal_disable_ctx(handle, ae, ctx_mask);
}

void qat_hal_set_pc(struct icp_qat_fw_loader_handle *handle,
                    unsigned char ae, unsigned int ctx_mask, unsigned int upc)
{
        qat_hal_wr_indr_csr(handle, ae, ctx_mask, CTX_STS_INDIRECT,
                            handle->hal_handle->upc_mask & upc);
}

static void qat_hal_get_uwords(struct icp_qat_fw_loader_handle *handle,
                               unsigned char ae, unsigned int uaddr,
                               unsigned int words_num, u64 *uword)
{
        unsigned int i, uwrd_lo, uwrd_hi;
        unsigned int ustore_addr, misc_control;

        misc_control = qat_hal_rd_ae_csr(handle, ae, AE_MISC_CONTROL);
        qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL,
                          misc_control & 0xfffffffb);
        ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
        uaddr |= UA_ECS;
        for (i = 0; i < words_num; i++) {
                qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
                uaddr++;
                uwrd_lo = qat_hal_rd_ae_csr(handle, ae, USTORE_DATA_LOWER);
                uwrd_hi = qat_hal_rd_ae_csr(handle, ae, USTORE_DATA_UPPER);
                uword[i] = uwrd_hi;
                uword[i] = (uword[i] << 0x20) | uwrd_lo;
        }
        qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL, misc_control);
        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
}

void qat_hal_wr_umem(struct icp_qat_fw_loader_handle *handle,
                     unsigned char ae, unsigned int uaddr,
                     unsigned int words_num, unsigned int *data)
{
        unsigned int i, ustore_addr;

        ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
        uaddr |= UA_ECS;
        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
        for (i = 0; i < words_num; i++) {
                unsigned int uwrd_lo, uwrd_hi, tmp;

                uwrd_lo = ((data[i] & 0xfff0000) << 4) | (0x3 << 18) |
                          ((data[i] & 0xff00) << 2) |
                          (0x3 << 8) | (data[i] & 0xff);
                uwrd_hi = (0xf << 4) | ((data[i] & 0xf0000000) >> 28);
                uwrd_hi |= (hweight32(data[i] & 0xffff) & 0x1) << 8;
                tmp = ((data[i] >> 0x10) & 0xffff);
                uwrd_hi |= (hweight32(tmp) & 0x1) << 9;
                qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_LOWER, uwrd_lo);
                qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_UPPER, uwrd_hi);
        }
        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
}

#define MAX_EXEC_INST 100
static int qat_hal_exec_micro_inst(struct icp_qat_fw_loader_handle *handle,
                                   unsigned char ae, unsigned char ctx,
                                   u64 *micro_inst, unsigned int inst_num,
                                   int code_off, unsigned int max_cycle,
                                   unsigned int *endpc)
{
        unsigned int ind_lm_addr_byte0 = 0, ind_lm_addr_byte1 = 0;
        unsigned int ind_lm_addr_byte2 = 0, ind_lm_addr_byte3 = 0;
        unsigned int ind_t_index = 0, ind_t_index_byte = 0;
        unsigned int ind_lm_addr0 = 0, ind_lm_addr1 = 0;
        unsigned int ind_lm_addr2 = 0, ind_lm_addr3 = 0;
        u64 savuwords[MAX_EXEC_INST];
        unsigned int ind_cnt_sig;
        unsigned int ind_sig, act_sig;
        unsigned int csr_val = 0, newcsr_val;
        unsigned int savctx;
        unsigned int savcc, wakeup_events, savpc;
        unsigned int ctxarb_ctl, ctx_enables;

        if ((inst_num > handle->hal_handle->max_ustore) || !micro_inst) {
                pr_err("QAT: invalid instruction num %d\n", inst_num);
                return -EINVAL;
        }
        /* save current context */
        ind_lm_addr0 = qat_hal_rd_indr_csr(handle, ae, ctx, LM_ADDR_0_INDIRECT);
        ind_lm_addr1 = qat_hal_rd_indr_csr(handle, ae, ctx, LM_ADDR_1_INDIRECT);
        ind_lm_addr_byte0 = qat_hal_rd_indr_csr(handle, ae, ctx,
                                                INDIRECT_LM_ADDR_0_BYTE_INDEX);
        ind_lm_addr_byte1 = qat_hal_rd_indr_csr(handle, ae, ctx,
                                                INDIRECT_LM_ADDR_1_BYTE_INDEX);
        if (handle->chip_info->lm2lm3) {
                ind_lm_addr2 = qat_hal_rd_indr_csr(handle, ae, ctx,
                                                   LM_ADDR_2_INDIRECT);
                ind_lm_addr3 = qat_hal_rd_indr_csr(handle, ae, ctx,
                                                   LM_ADDR_3_INDIRECT);
                ind_lm_addr_byte2 = qat_hal_rd_indr_csr(handle, ae, ctx,
                                                        INDIRECT_LM_ADDR_2_BYTE_INDEX);
                ind_lm_addr_byte3 = qat_hal_rd_indr_csr(handle, ae, ctx,
                                                        INDIRECT_LM_ADDR_3_BYTE_INDEX);
                ind_t_index = qat_hal_rd_indr_csr(handle, ae, ctx,
                                                  INDIRECT_T_INDEX);
                ind_t_index_byte = qat_hal_rd_indr_csr(handle, ae, ctx,
                                                       INDIRECT_T_INDEX_BYTE_INDEX);
        }
        if (inst_num <= MAX_EXEC_INST)
                qat_hal_get_uwords(handle, ae, 0, inst_num, savuwords);
        qat_hal_get_wakeup_event(handle, ae, ctx, &wakeup_events);
        savpc = qat_hal_rd_indr_csr(handle, ae, ctx, CTX_STS_INDIRECT);
        savpc = (savpc & handle->hal_handle->upc_mask) >> 0;
        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        ctx_enables &= IGNORE_W1C_MASK;
        savcc = qat_hal_rd_ae_csr(handle, ae, CC_ENABLE);
        savctx = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
        ctxarb_ctl = qat_hal_rd_ae_csr(handle, ae, CTX_ARB_CNTL);
        ind_cnt_sig = qat_hal_rd_indr_csr(handle, ae, ctx,
                                          FUTURE_COUNT_SIGNAL_INDIRECT);
        ind_sig = qat_hal_rd_indr_csr(handle, ae, ctx,
                                      CTX_SIG_EVENTS_INDIRECT);
        act_sig = qat_hal_rd_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE);
        /* execute micro codes */
        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
        qat_hal_wr_uwords(handle, ae, 0, inst_num, micro_inst);
        qat_hal_wr_indr_csr(handle, ae, (1 << ctx), CTX_STS_INDIRECT, 0);
        qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS, ctx & ACS_ACNO);
        if (code_off)
                qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, savcc & 0xffffdfff);
        qat_hal_put_wakeup_event(handle, ae, (1 << ctx), XCWE_VOLUNTARY);
        qat_hal_wr_indr_csr(handle, ae, (1 << ctx), CTX_SIG_EVENTS_INDIRECT, 0);
        qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE, 0);
        qat_hal_enable_ctx(handle, ae, (1 << ctx));
        /* wait for micro codes to finish */
        if (qat_hal_wait_cycles(handle, ae, max_cycle, 1) != 0)
                return -EFAULT;
        if (endpc) {
                unsigned int ctx_status;

                ctx_status = qat_hal_rd_indr_csr(handle, ae, ctx,
                                                 CTX_STS_INDIRECT);
                *endpc = ctx_status & handle->hal_handle->upc_mask;
        }
        /* retore to saved context */
        qat_hal_disable_ctx(handle, ae, (1 << ctx));
        if (inst_num <= MAX_EXEC_INST)
                qat_hal_wr_uwords(handle, ae, 0, inst_num, savuwords);
        qat_hal_put_wakeup_event(handle, ae, (1 << ctx), wakeup_events);
        qat_hal_wr_indr_csr(handle, ae, (1 << ctx), CTX_STS_INDIRECT,
                            handle->hal_handle->upc_mask & savpc);
        csr_val = qat_hal_rd_ae_csr(handle, ae, AE_MISC_CONTROL);
        newcsr_val = CLR_BIT(csr_val, MMC_SHARE_CS_BITPOS);
        qat_hal_wr_ae_csr(handle, ae, AE_MISC_CONTROL, newcsr_val);
        qat_hal_wr_ae_csr(handle, ae, CC_ENABLE, savcc);
        qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS, savctx & ACS_ACNO);
        qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, ctxarb_ctl);
        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
                            LM_ADDR_0_INDIRECT, ind_lm_addr0);
        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
                            LM_ADDR_1_INDIRECT, ind_lm_addr1);
        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
                            INDIRECT_LM_ADDR_0_BYTE_INDEX, ind_lm_addr_byte0);
        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
                            INDIRECT_LM_ADDR_1_BYTE_INDEX, ind_lm_addr_byte1);
        if (handle->chip_info->lm2lm3) {
                qat_hal_wr_indr_csr(handle, ae, BIT(ctx), LM_ADDR_2_INDIRECT,
                                    ind_lm_addr2);
                qat_hal_wr_indr_csr(handle, ae, BIT(ctx), LM_ADDR_3_INDIRECT,
                                    ind_lm_addr3);
                qat_hal_wr_indr_csr(handle, ae, BIT(ctx),
                                    INDIRECT_LM_ADDR_2_BYTE_INDEX,
                                    ind_lm_addr_byte2);
                qat_hal_wr_indr_csr(handle, ae, BIT(ctx),
                                    INDIRECT_LM_ADDR_3_BYTE_INDEX,
                                    ind_lm_addr_byte3);
                qat_hal_wr_indr_csr(handle, ae, BIT(ctx),
                                    INDIRECT_T_INDEX, ind_t_index);
                qat_hal_wr_indr_csr(handle, ae, BIT(ctx),
                                    INDIRECT_T_INDEX_BYTE_INDEX,
                                    ind_t_index_byte);
        }
        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
                            FUTURE_COUNT_SIGNAL_INDIRECT, ind_cnt_sig);
        qat_hal_wr_indr_csr(handle, ae, (1 << ctx),
                            CTX_SIG_EVENTS_INDIRECT, ind_sig);
        qat_hal_wr_ae_csr(handle, ae, CTX_SIG_EVENTS_ACTIVE, act_sig);
        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);

        return 0;
}

static int qat_hal_rd_rel_reg(struct icp_qat_fw_loader_handle *handle,
                              unsigned char ae, unsigned char ctx,
                              enum icp_qat_uof_regtype reg_type,
                              unsigned short reg_num, unsigned int *data)
{
        unsigned int savctx, uaddr, uwrd_lo, uwrd_hi;
        unsigned int ctxarb_cntl, ustore_addr, ctx_enables;
        unsigned short reg_addr;
        int status = 0;
        u64 insts, savuword;

        reg_addr = qat_hal_get_reg_addr(reg_type, reg_num);
        if (reg_addr == BAD_REGADDR) {
                pr_err("QAT: bad regaddr=0x%x\n", reg_addr);
                return -EINVAL;
        }
        switch (reg_type) {
        case ICP_GPA_REL:
                insts = 0xA070000000ull | (reg_addr & 0x3ff);
                break;
        default:
                insts = (u64)0xA030000000ull | ((reg_addr & 0x3ff) << 10);
                break;
        }
        savctx = qat_hal_rd_ae_csr(handle, ae, ACTIVE_CTX_STATUS);
        ctxarb_cntl = qat_hal_rd_ae_csr(handle, ae, CTX_ARB_CNTL);
        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        ctx_enables &= IGNORE_W1C_MASK;
        if (ctx != (savctx & ACS_ACNO))
                qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS,
                                  ctx & ACS_ACNO);
        qat_hal_get_uwords(handle, ae, 0, 1, &savuword);
        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
        ustore_addr = qat_hal_rd_ae_csr(handle, ae, USTORE_ADDRESS);
        uaddr = UA_ECS;
        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
        insts = qat_hal_set_uword_ecc(insts);
        uwrd_lo = (unsigned int)(insts & 0xffffffff);
        uwrd_hi = (unsigned int)(insts >> 0x20);
        qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_LOWER, uwrd_lo);
        qat_hal_wr_ae_csr(handle, ae, USTORE_DATA_UPPER, uwrd_hi);
        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, uaddr);
        /* delay for at least 8 cycles */
        qat_hal_wait_cycles(handle, ae, 0x8, 0);
        /*
         * read ALU output
         * the instruction should have been executed
         * prior to clearing the ECS in putUwords
         */
        *data = qat_hal_rd_ae_csr(handle, ae, ALU_OUT);
        qat_hal_wr_ae_csr(handle, ae, USTORE_ADDRESS, ustore_addr);
        qat_hal_wr_uwords(handle, ae, 0, 1, &savuword);
        if (ctx != (savctx & ACS_ACNO))
                qat_hal_wr_ae_csr(handle, ae, ACTIVE_CTX_STATUS,
                                  savctx & ACS_ACNO);
        qat_hal_wr_ae_csr(handle, ae, CTX_ARB_CNTL, ctxarb_cntl);
        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);

        return status;
}

static int qat_hal_wr_rel_reg(struct icp_qat_fw_loader_handle *handle,
                              unsigned char ae, unsigned char ctx,
                              enum icp_qat_uof_regtype reg_type,
                              unsigned short reg_num, unsigned int data)
{
        unsigned short src_hiaddr, src_lowaddr, dest_addr, data16hi, data16lo;
        u64 insts[] = {
                0x0F440000000ull,
                0x0F040000000ull,
                0x0F0000C0300ull,
                0x0E000010000ull
        };
        const int num_inst = ARRAY_SIZE(insts), code_off = 1;
        const int imm_w1 = 0, imm_w0 = 1;

        dest_addr = qat_hal_get_reg_addr(reg_type, reg_num);
        if (dest_addr == BAD_REGADDR) {
                pr_err("QAT: bad destAddr=0x%x\n", dest_addr);
                return -EINVAL;
        }

        data16lo = 0xffff & data;
        data16hi = 0xffff & (data >> 0x10);
        src_hiaddr = qat_hal_get_reg_addr(ICP_NO_DEST, (unsigned short)
                                          (0xff & data16hi));
        src_lowaddr = qat_hal_get_reg_addr(ICP_NO_DEST, (unsigned short)
                                           (0xff & data16lo));
        switch (reg_type) {
        case ICP_GPA_REL:
                insts[imm_w1] = insts[imm_w1] | ((data16hi >> 8) << 20) |
                    ((src_hiaddr & 0x3ff) << 10) | (dest_addr & 0x3ff);
                insts[imm_w0] = insts[imm_w0] | ((data16lo >> 8) << 20) |
                    ((src_lowaddr & 0x3ff) << 10) | (dest_addr & 0x3ff);
                break;
        default:
                insts[imm_w1] = insts[imm_w1] | ((data16hi >> 8) << 20) |
                    ((dest_addr & 0x3ff) << 10) | (src_hiaddr & 0x3ff);

                insts[imm_w0] = insts[imm_w0] | ((data16lo >> 8) << 20) |
                    ((dest_addr & 0x3ff) << 10) | (src_lowaddr & 0x3ff);
                break;
        }

        return qat_hal_exec_micro_inst(handle, ae, ctx, insts, num_inst,
                                       code_off, num_inst * 0x5, NULL);
}

int qat_hal_get_ins_num(void)
{
        return ARRAY_SIZE(inst_4b);
}

static int qat_hal_concat_micro_code(u64 *micro_inst,
                                     unsigned int inst_num, unsigned int size,
                                     unsigned int addr, unsigned int *value)
{
        int i;
        unsigned int cur_value;
        const u64 *inst_arr;
        int fixup_offset;
        int usize = 0;
        int orig_num;

        orig_num = inst_num;
        cur_value = value[0];
        inst_arr = inst_4b;
        usize = ARRAY_SIZE(inst_4b);
        fixup_offset = inst_num;
        for (i = 0; i < usize; i++)
                micro_inst[inst_num++] = inst_arr[i];
        INSERT_IMMED_GPRA_CONST(micro_inst[fixup_offset], (addr));
        fixup_offset++;
        INSERT_IMMED_GPRA_CONST(micro_inst[fixup_offset], 0);
        fixup_offset++;
        INSERT_IMMED_GPRB_CONST(micro_inst[fixup_offset], (cur_value >> 0));
        fixup_offset++;
        INSERT_IMMED_GPRB_CONST(micro_inst[fixup_offset], (cur_value >> 0x10));

        return inst_num - orig_num;
}

static int qat_hal_exec_micro_init_lm(struct icp_qat_fw_loader_handle *handle,
                                      unsigned char ae, unsigned char ctx,
                                      int *pfirst_exec, u64 *micro_inst,
                                      unsigned int inst_num)
{
        int stat = 0;
        unsigned int gpra0 = 0, gpra1 = 0, gpra2 = 0;
        unsigned int gprb0 = 0, gprb1 = 0;

        if (*pfirst_exec) {
                qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0, &gpra0);
                qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x1, &gpra1);
                qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x2, &gpra2);
                qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0, &gprb0);
                qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0x1, &gprb1);
                *pfirst_exec = 0;
        }
        stat = qat_hal_exec_micro_inst(handle, ae, ctx, micro_inst, inst_num, 1,
                                       inst_num * 0x5, NULL);
        if (stat != 0)
                return -EFAULT;
        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0, gpra0);
        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x1, gpra1);
        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPA_REL, 0x2, gpra2);
        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0, gprb0);
        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPB_REL, 0x1, gprb1);

        return 0;
}

int qat_hal_batch_wr_lm(struct icp_qat_fw_loader_handle *handle,
                        unsigned char ae,
                        struct icp_qat_uof_batch_init *lm_init_header)
{
        struct icp_qat_uof_batch_init *plm_init;
        u64 *micro_inst_arry;
        int micro_inst_num;
        int alloc_inst_size;
        int first_exec = 1;
        int stat = 0;

        plm_init = lm_init_header->next;
        alloc_inst_size = lm_init_header->size;
        if ((unsigned int)alloc_inst_size > handle->hal_handle->max_ustore)
                alloc_inst_size = handle->hal_handle->max_ustore;
        micro_inst_arry = kmalloc_array(alloc_inst_size, sizeof(u64),
                                        GFP_KERNEL);
        if (!micro_inst_arry)
                return -ENOMEM;
        micro_inst_num = 0;
        while (plm_init) {
                unsigned int addr, *value, size;

                ae = plm_init->ae;
                addr = plm_init->addr;
                value = plm_init->value;
                size = plm_init->size;
                micro_inst_num += qat_hal_concat_micro_code(micro_inst_arry,
                                                            micro_inst_num,
                                                            size, addr, value);
                plm_init = plm_init->next;
        }
        /* exec micro codes */
        if (micro_inst_arry && micro_inst_num > 0) {
                micro_inst_arry[micro_inst_num++] = 0x0E000010000ull;
                stat = qat_hal_exec_micro_init_lm(handle, ae, 0, &first_exec,
                                                  micro_inst_arry,
                                                  micro_inst_num);
        }
        kfree(micro_inst_arry);
        return stat;
}

static int qat_hal_put_rel_rd_xfer(struct icp_qat_fw_loader_handle *handle,
                                   unsigned char ae, unsigned char ctx,
                                   enum icp_qat_uof_regtype reg_type,
                                   unsigned short reg_num, unsigned int val)
{
        int status = 0;
        unsigned int reg_addr;
        unsigned int ctx_enables;
        unsigned short mask;
        unsigned short dr_offset = 0x10;

        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        if (CE_INUSE_CONTEXTS & ctx_enables) {
                if (ctx & 0x1) {
                        pr_err("QAT: bad 4-ctx mode,ctx=0x%x\n", ctx);
                        return -EINVAL;
                }
                mask = 0x1f;
                dr_offset = 0x20;
        } else {
                mask = 0x0f;
        }
        if (reg_num & ~mask)
                return -EINVAL;
        reg_addr = reg_num + (ctx << 0x5);
        switch (reg_type) {
        case ICP_SR_RD_REL:
        case ICP_SR_REL:
                SET_AE_XFER(handle, ae, reg_addr, val);
                break;
        case ICP_DR_RD_REL:
        case ICP_DR_REL:
                SET_AE_XFER(handle, ae, (reg_addr + dr_offset), val);
                break;
        default:
                status = -EINVAL;
                break;
        }
        return status;
}

static int qat_hal_put_rel_wr_xfer(struct icp_qat_fw_loader_handle *handle,
                                   unsigned char ae, unsigned char ctx,
                                   enum icp_qat_uof_regtype reg_type,
                                   unsigned short reg_num, unsigned int data)
{
        unsigned int gprval, ctx_enables;
        unsigned short src_hiaddr, src_lowaddr, gpr_addr, xfr_addr, data16hi,
            data16low;
        unsigned short reg_mask;
        int status = 0;
        u64 micro_inst[] = {
                0x0F440000000ull,
                0x0F040000000ull,
                0x0A000000000ull,
                0x0F0000C0300ull,
                0x0E000010000ull
        };
        const int num_inst = ARRAY_SIZE(micro_inst), code_off = 1;
        const unsigned short gprnum = 0, dly = num_inst * 0x5;

        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        if (CE_INUSE_CONTEXTS & ctx_enables) {
                if (ctx & 0x1) {
                        pr_err("QAT: 4-ctx mode,ctx=0x%x\n", ctx);
                        return -EINVAL;
                }
                reg_mask = (unsigned short)~0x1f;
        } else {
                reg_mask = (unsigned short)~0xf;
        }
        if (reg_num & reg_mask)
                return -EINVAL;
        xfr_addr = qat_hal_get_reg_addr(reg_type, reg_num);
        if (xfr_addr == BAD_REGADDR) {
                pr_err("QAT: bad xfrAddr=0x%x\n", xfr_addr);
                return -EINVAL;
        }
        status = qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, gprnum, &gprval);
        if (status) {
                pr_err("QAT: failed to read register");
                return status;
        }
        gpr_addr = qat_hal_get_reg_addr(ICP_GPB_REL, gprnum);
        data16low = 0xffff & data;
        data16hi = 0xffff & (data >> 0x10);
        src_hiaddr = qat_hal_get_reg_addr(ICP_NO_DEST,
                                          (unsigned short)(0xff & data16hi));
        src_lowaddr = qat_hal_get_reg_addr(ICP_NO_DEST,
                                           (unsigned short)(0xff & data16low));
        micro_inst[0] = micro_inst[0x0] | ((data16hi >> 8) << 20) |
            ((gpr_addr & 0x3ff) << 10) | (src_hiaddr & 0x3ff);
        micro_inst[1] = micro_inst[0x1] | ((data16low >> 8) << 20) |
            ((gpr_addr & 0x3ff) << 10) | (src_lowaddr & 0x3ff);
        micro_inst[0x2] = micro_inst[0x2] |
            ((xfr_addr & 0x3ff) << 20) | ((gpr_addr & 0x3ff) << 10);
        status = qat_hal_exec_micro_inst(handle, ae, ctx, micro_inst, num_inst,
                                         code_off, dly, NULL);
        qat_hal_wr_rel_reg(handle, ae, ctx, ICP_GPB_REL, gprnum, gprval);
        return status;
}

static int qat_hal_put_rel_nn(struct icp_qat_fw_loader_handle *handle,
                              unsigned char ae, unsigned char ctx,
                              unsigned short nn, unsigned int val)
{
        unsigned int ctx_enables;
        int stat = 0;

        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        ctx_enables &= IGNORE_W1C_MASK;
        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables | CE_NN_MODE);

        stat = qat_hal_put_rel_wr_xfer(handle, ae, ctx, ICP_NEIGH_REL, nn, val);
        qat_hal_wr_ae_csr(handle, ae, CTX_ENABLES, ctx_enables);
        return stat;
}

static int qat_hal_convert_abs_to_rel(struct icp_qat_fw_loader_handle
                                      *handle, unsigned char ae,
                                      unsigned short absreg_num,
                                      unsigned short *relreg,
                                      unsigned char *ctx)
{
        unsigned int ctx_enables;

        ctx_enables = qat_hal_rd_ae_csr(handle, ae, CTX_ENABLES);
        if (ctx_enables & CE_INUSE_CONTEXTS) {
                /* 4-ctx mode */
                *relreg = absreg_num & 0x1F;
                *ctx = (absreg_num >> 0x4) & 0x6;
        } else {
                /* 8-ctx mode */
                *relreg = absreg_num & 0x0F;
                *ctx = (absreg_num >> 0x4) & 0x7;
        }
        return 0;
}

int qat_hal_init_gpr(struct icp_qat_fw_loader_handle *handle,
                     unsigned char ae, unsigned long ctx_mask,
                     enum icp_qat_uof_regtype reg_type,
                     unsigned short reg_num, unsigned int regdata)
{
        int stat = 0;
        unsigned short reg;
        unsigned char ctx = 0;
        enum icp_qat_uof_regtype type;

        if (reg_num >= ICP_QAT_UCLO_MAX_GPR_REG)
                return -EINVAL;

        do {
                if (ctx_mask == 0) {
                        qat_hal_convert_abs_to_rel(handle, ae, reg_num, &reg,
                                                   &ctx);
                        type = reg_type - 1;
                } else {
                        reg = reg_num;
                        type = reg_type;
                        if (!test_bit(ctx, &ctx_mask))
                                continue;
                }
                stat = qat_hal_wr_rel_reg(handle, ae, ctx, type, reg, regdata);
                if (stat) {
                        pr_err("QAT: write gpr fail\n");
                        return -EINVAL;
                }
        } while (ctx_mask && (ctx++ < ICP_QAT_UCLO_MAX_CTX));

        return 0;
}

int qat_hal_init_wr_xfer(struct icp_qat_fw_loader_handle *handle,
                         unsigned char ae, unsigned long ctx_mask,
                         enum icp_qat_uof_regtype reg_type,
                         unsigned short reg_num, unsigned int regdata)
{
        int stat = 0;
        unsigned short reg;
        unsigned char ctx = 0;
        enum icp_qat_uof_regtype type;

        if (reg_num >= ICP_QAT_UCLO_MAX_XFER_REG)
                return -EINVAL;

        do {
                if (ctx_mask == 0) {
                        qat_hal_convert_abs_to_rel(handle, ae, reg_num, &reg,
                                                   &ctx);
                        type = reg_type - 3;
                } else {
                        reg = reg_num;
                        type = reg_type;
                        if (!test_bit(ctx, &ctx_mask))
                                continue;
                }
                stat = qat_hal_put_rel_wr_xfer(handle, ae, ctx, type, reg,
                                               regdata);
                if (stat) {
                        pr_err("QAT: write wr xfer fail\n");
                        return -EINVAL;
                }
        } while (ctx_mask && (ctx++ < ICP_QAT_UCLO_MAX_CTX));

        return 0;
}

int qat_hal_init_rd_xfer(struct icp_qat_fw_loader_handle *handle,
                         unsigned char ae, unsigned long ctx_mask,
                         enum icp_qat_uof_regtype reg_type,
                         unsigned short reg_num, unsigned int regdata)
{
        int stat = 0;
        unsigned short reg;
        unsigned char ctx = 0;
        enum icp_qat_uof_regtype type;

        if (reg_num >= ICP_QAT_UCLO_MAX_XFER_REG)
                return -EINVAL;

        do {
                if (ctx_mask == 0) {
                        qat_hal_convert_abs_to_rel(handle, ae, reg_num, &reg,
                                                   &ctx);
                        type = reg_type - 3;
                } else {
                        reg = reg_num;
                        type = reg_type;
                        if (!test_bit(ctx, &ctx_mask))
                                continue;
                }
                stat = qat_hal_put_rel_rd_xfer(handle, ae, ctx, type, reg,
                                               regdata);
                if (stat) {
                        pr_err("QAT: write rd xfer fail\n");
                        return -EINVAL;
                }
        } while (ctx_mask && (ctx++ < ICP_QAT_UCLO_MAX_CTX));

        return 0;
}

int qat_hal_init_nn(struct icp_qat_fw_loader_handle *handle,
                    unsigned char ae, unsigned long ctx_mask,
                    unsigned short reg_num, unsigned int regdata)
{
        int stat = 0;
        unsigned char ctx;
        if (!handle->chip_info->nn) {
                dev_err(&handle->pci_dev->dev, "QAT: No next neigh in 0x%x\n",
                        handle->pci_dev->device);
                return -EINVAL;
        }

        if (ctx_mask == 0)
                return -EINVAL;

        for (ctx = 0; ctx < ICP_QAT_UCLO_MAX_CTX; ctx++) {
                if (!test_bit(ctx, &ctx_mask))
                        continue;
                stat = qat_hal_put_rel_nn(handle, ae, ctx, reg_num, regdata);
                if (stat) {
                        pr_err("QAT: write neigh error\n");
                        return -EINVAL;
                }
        }

        return 0;
}