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// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
/* Copyright(c) 2014 - 2020 Intel Corporation */
#include <adf_accel_devices.h>
#include <adf_pf2vf_msg.h>
#include <adf_common_drv.h>
#include <adf_gen2_hw_data.h>
#include "adf_dh895xcc_hw_data.h"
#include "icp_qat_hw.h"
/* Worker thread to service arbiter mappings */
static const u32 thrd_to_arb_map[ADF_DH895XCC_MAX_ACCELENGINES] = {
0x12222AAA, 0x11666666, 0x12222AAA, 0x11666666,
0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222,
0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222
};
static struct adf_hw_device_class dh895xcc_class = {
.name = ADF_DH895XCC_DEVICE_NAME,
.type = DEV_DH895XCC,
.instances = 0
};
static u32 get_accel_mask(struct adf_hw_device_data *self)
{
u32 fuses = self->fuses;
return ~fuses >> ADF_DH895XCC_ACCELERATORS_REG_OFFSET &
ADF_DH895XCC_ACCELERATORS_MASK;
}
static u32 get_ae_mask(struct adf_hw_device_data *self)
{
u32 fuses = self->fuses;
return ~fuses & ADF_DH895XCC_ACCELENGINES_MASK;
}
static u32 get_num_accels(struct adf_hw_device_data *self)
{
u32 i, ctr = 0;
if (!self || !self->accel_mask)
return 0;
for (i = 0; i < ADF_DH895XCC_MAX_ACCELERATORS; i++) {
if (self->accel_mask & (1 << i))
ctr++;
}
return ctr;
}
static u32 get_num_aes(struct adf_hw_device_data *self)
{
u32 i, ctr = 0;
if (!self || !self->ae_mask)
return 0;
for (i = 0; i < ADF_DH895XCC_MAX_ACCELENGINES; i++) {
if (self->ae_mask & (1 << i))
ctr++;
}
return ctr;
}
static u32 get_misc_bar_id(struct adf_hw_device_data *self)
{
return ADF_DH895XCC_PMISC_BAR;
}
static u32 get_etr_bar_id(struct adf_hw_device_data *self)
{
return ADF_DH895XCC_ETR_BAR;
}
static u32 get_sram_bar_id(struct adf_hw_device_data *self)
{
return ADF_DH895XCC_SRAM_BAR;
}
static u32 get_accel_cap(struct adf_accel_dev *accel_dev)
{
struct pci_dev *pdev = accel_dev->accel_pci_dev.pci_dev;
u32 capabilities;
u32 legfuses;
capabilities = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC |
ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC |
ICP_ACCEL_CAPABILITIES_AUTHENTICATION;
/* Read accelerator capabilities mask */
pci_read_config_dword(pdev, ADF_DEVICE_LEGFUSE_OFFSET, &legfuses);
if (legfuses & ICP_ACCEL_MASK_CIPHER_SLICE)
capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC;
if (legfuses & ICP_ACCEL_MASK_PKE_SLICE)
capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC;
if (legfuses & ICP_ACCEL_MASK_AUTH_SLICE)
capabilities &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION;
return capabilities;
}
static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
{
int sku = (self->fuses & ADF_DH895XCC_FUSECTL_SKU_MASK)
>> ADF_DH895XCC_FUSECTL_SKU_SHIFT;
switch (sku) {
case ADF_DH895XCC_FUSECTL_SKU_1:
return DEV_SKU_1;
case ADF_DH895XCC_FUSECTL_SKU_2:
return DEV_SKU_2;
case ADF_DH895XCC_FUSECTL_SKU_3:
return DEV_SKU_3;
case ADF_DH895XCC_FUSECTL_SKU_4:
return DEV_SKU_4;
default:
return DEV_SKU_UNKNOWN;
}
return DEV_SKU_UNKNOWN;
}
static const u32 *adf_get_arbiter_mapping(void)
{
return thrd_to_arb_map;
}
static u32 get_pf2vf_offset(u32 i)
{
return ADF_DH895XCC_PF2VF_OFFSET(i);
}
static void adf_enable_error_correction(struct adf_accel_dev *accel_dev)
{
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_DH895XCC_PMISC_BAR];
unsigned long accel_mask = hw_device->accel_mask;
unsigned long ae_mask = hw_device->ae_mask;
void __iomem *csr = misc_bar->virt_addr;
unsigned int val, i;
/* Enable Accel Engine error detection & correction */
for_each_set_bit(i, &ae_mask, GET_MAX_ACCELENGINES(accel_dev)) {
val = ADF_CSR_RD(csr, ADF_DH895XCC_AE_CTX_ENABLES(i));
val |= ADF_DH895XCC_ENABLE_AE_ECC_ERR;
ADF_CSR_WR(csr, ADF_DH895XCC_AE_CTX_ENABLES(i), val);
val = ADF_CSR_RD(csr, ADF_DH895XCC_AE_MISC_CONTROL(i));
val |= ADF_DH895XCC_ENABLE_AE_ECC_PARITY_CORR;
ADF_CSR_WR(csr, ADF_DH895XCC_AE_MISC_CONTROL(i), val);
}
/* Enable shared memory error detection & correction */
for_each_set_bit(i, &accel_mask, ADF_DH895XCC_MAX_ACCELERATORS) {
val = ADF_CSR_RD(csr, ADF_DH895XCC_UERRSSMSH(i));
val |= ADF_DH895XCC_ERRSSMSH_EN;
ADF_CSR_WR(csr, ADF_DH895XCC_UERRSSMSH(i), val);
val = ADF_CSR_RD(csr, ADF_DH895XCC_CERRSSMSH(i));
val |= ADF_DH895XCC_ERRSSMSH_EN;
ADF_CSR_WR(csr, ADF_DH895XCC_CERRSSMSH(i), val);
}
}
static void adf_enable_ints(struct adf_accel_dev *accel_dev)
{
void __iomem *addr;
addr = (&GET_BARS(accel_dev)[ADF_DH895XCC_PMISC_BAR])->virt_addr;
/* Enable bundle and misc interrupts */
ADF_CSR_WR(addr, ADF_DH895XCC_SMIAPF0_MASK_OFFSET,
accel_dev->pf.vf_info ? 0 :
BIT_ULL(GET_MAX_BANKS(accel_dev)) - 1);
ADF_CSR_WR(addr, ADF_DH895XCC_SMIAPF1_MASK_OFFSET,
ADF_DH895XCC_SMIA1_MASK);
}
static u32 get_vf2pf_sources(void __iomem *pmisc_bar)
{
u32 errsou5, errmsk5, vf_int_mask;
vf_int_mask = adf_gen2_get_vf2pf_sources(pmisc_bar);
/* Get the interrupt sources triggered by VFs, but to avoid duplicates
* in the work queue, clear vf_int_mask_sets bits that are already
* masked in ERRMSK register.
*/
errsou5 = ADF_CSR_RD(pmisc_bar, ADF_GEN2_ERRSOU5);
errmsk5 = ADF_CSR_RD(pmisc_bar, ADF_GEN2_ERRMSK5);
vf_int_mask |= ADF_DH895XCC_ERR_REG_VF2PF_U(errsou5);
vf_int_mask &= ~ADF_DH895XCC_ERR_REG_VF2PF_U(errmsk5);
return vf_int_mask;
}
static void enable_vf2pf_interrupts(void __iomem *pmisc_addr, u32 vf_mask)
{
/* Enable VF2PF Messaging Ints - VFs 0 through 15 per vf_mask[15:0] */
adf_gen2_enable_vf2pf_interrupts(pmisc_addr, vf_mask);
/* Enable VF2PF Messaging Ints - VFs 16 through 31 per vf_mask[31:16] */
if (vf_mask >> 16) {
u32 val = ADF_CSR_RD(pmisc_addr, ADF_GEN2_ERRMSK5)
& ~ADF_DH895XCC_ERR_MSK_VF2PF_U(vf_mask);
ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK5, val);
}
}
static void disable_vf2pf_interrupts(void __iomem *pmisc_addr, u32 vf_mask)
{
/* Disable VF2PF interrupts for VFs 0 through 15 per vf_mask[15:0] */
adf_gen2_disable_vf2pf_interrupts(pmisc_addr, vf_mask);
/* Disable VF2PF interrupts for VFs 16 through 31 per vf_mask[31:16] */
if (vf_mask >> 16) {
u32 val = ADF_CSR_RD(pmisc_addr, ADF_GEN2_ERRMSK5)
| ADF_DH895XCC_ERR_MSK_VF2PF_U(vf_mask);
ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK5, val);
}
}
static int adf_enable_pf2vf_comms(struct adf_accel_dev *accel_dev)
{
spin_lock_init(&accel_dev->pf.vf2pf_ints_lock);
return 0;
}
static void configure_iov_threads(struct adf_accel_dev *accel_dev, bool enable)
{
adf_gen2_cfg_iov_thds(accel_dev, enable,
ADF_DH895XCC_AE2FUNC_MAP_GRP_A_NUM_REGS,
ADF_DH895XCC_AE2FUNC_MAP_GRP_B_NUM_REGS);
}
void adf_init_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
{
hw_data->dev_class = &dh895xcc_class;
hw_data->instance_id = dh895xcc_class.instances++;
hw_data->num_banks = ADF_DH895XCC_ETR_MAX_BANKS;
hw_data->num_rings_per_bank = ADF_ETR_MAX_RINGS_PER_BANK;
hw_data->num_accel = ADF_DH895XCC_MAX_ACCELERATORS;
hw_data->num_logical_accel = 1;
hw_data->num_engines = ADF_DH895XCC_MAX_ACCELENGINES;
hw_data->tx_rx_gap = ADF_DH895XCC_RX_RINGS_OFFSET;
hw_data->tx_rings_mask = ADF_DH895XCC_TX_RINGS_MASK;
hw_data->alloc_irq = adf_isr_resource_alloc;
hw_data->free_irq = adf_isr_resource_free;
hw_data->enable_error_correction = adf_enable_error_correction;
hw_data->get_accel_mask = get_accel_mask;
hw_data->get_ae_mask = get_ae_mask;
hw_data->get_accel_cap = get_accel_cap;
hw_data->get_num_accels = get_num_accels;
hw_data->get_num_aes = get_num_aes;
hw_data->get_etr_bar_id = get_etr_bar_id;
hw_data->get_misc_bar_id = get_misc_bar_id;
hw_data->get_admin_info = adf_gen2_get_admin_info;
hw_data->get_arb_info = adf_gen2_get_arb_info;
hw_data->get_sram_bar_id = get_sram_bar_id;
hw_data->get_sku = get_sku;
hw_data->fw_name = ADF_DH895XCC_FW;
hw_data->fw_mmp_name = ADF_DH895XCC_MMP;
hw_data->init_admin_comms = adf_init_admin_comms;
hw_data->exit_admin_comms = adf_exit_admin_comms;
hw_data->configure_iov_threads = configure_iov_threads;
hw_data->send_admin_init = adf_send_admin_init;
hw_data->init_arb = adf_init_arb;
hw_data->exit_arb = adf_exit_arb;
hw_data->get_arb_mapping = adf_get_arbiter_mapping;
hw_data->enable_ints = adf_enable_ints;
hw_data->reset_device = adf_reset_sbr;
hw_data->get_pf2vf_offset = get_pf2vf_offset;
hw_data->get_vf2pf_sources = get_vf2pf_sources;
hw_data->enable_vf2pf_interrupts = enable_vf2pf_interrupts;
hw_data->disable_vf2pf_interrupts = disable_vf2pf_interrupts;
hw_data->enable_pfvf_comms = adf_enable_pf2vf_comms;
hw_data->disable_iov = adf_disable_sriov;
hw_data->min_iov_compat_ver = ADF_PFVF_COMPAT_THIS_VERSION;
adf_gen2_init_hw_csr_ops(&hw_data->csr_ops);
}
void adf_clean_hw_data_dh895xcc(struct adf_hw_device_data *hw_data)
{
hw_data->dev_class->instances--;
}
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