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adf_c3xxx_hw_data.c

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linux-6.19.14/drivers/crypto/intel/qat/qat_c3xxx/adf_c3xxx_hw_data.c C
  1// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
  2/* Copyright(c) 2014 - 2021 Intel Corporation */
  3#include <adf_accel_devices.h>
  4#include <adf_admin.h>
  5#include <adf_clock.h>
  6#include <adf_common_drv.h>
  7#include <adf_gen2_config.h>
  8#include <adf_gen2_hw_csr_data.h>
  9#include <adf_gen2_hw_data.h>
 10#include <adf_gen2_pfvf.h>
 11#include "adf_c3xxx_hw_data.h"
 12#include "adf_heartbeat.h"
 13#include "icp_qat_hw.h"
 14
 15/* Worker thread to service arbiter mappings */
 16static const u32 thrd_to_arb_map[ADF_C3XXX_MAX_ACCELENGINES] = {
 17	0x12222AAA, 0x11222AAA, 0x12222AAA,
 18	0x11222AAA, 0x12222AAA, 0x11222AAA
 19};
 20
 21static struct adf_hw_device_class c3xxx_class = {
 22	.name = ADF_C3XXX_DEVICE_NAME,
 23	.type = DEV_C3XXX,
 24};
 25
 26static u32 get_accel_mask(struct adf_hw_device_data *self)
 27{
 28	u32 fuses = self->fuses[ADF_FUSECTL0];
 29	u32 straps = self->straps;
 30	u32 accel;
 31
 32	accel = ~(fuses | straps) >> ADF_C3XXX_ACCELERATORS_REG_OFFSET;
 33	accel &= ADF_C3XXX_ACCELERATORS_MASK;
 34
 35	return accel;
 36}
 37
 38static u32 get_ae_mask(struct adf_hw_device_data *self)
 39{
 40	u32 fuses = self->fuses[ADF_FUSECTL0];
 41	u32 straps = self->straps;
 42	unsigned long disabled;
 43	u32 ae_disable;
 44	int accel;
 45
 46	/* If an accel is disabled, then disable the corresponding two AEs */
 47	disabled = ~get_accel_mask(self) & ADF_C3XXX_ACCELERATORS_MASK;
 48	ae_disable = BIT(1) | BIT(0);
 49	for_each_set_bit(accel, &disabled, ADF_C3XXX_MAX_ACCELERATORS)
 50		straps |= ae_disable << (accel << 1);
 51
 52	return ~(fuses | straps) & ADF_C3XXX_ACCELENGINES_MASK;
 53}
 54
 55static u32 get_ts_clock(struct adf_hw_device_data *self)
 56{
 57	/*
 58	 * Timestamp update interval is 16 AE clock ticks for c3xxx.
 59	 */
 60	return self->clock_frequency / 16;
 61}
 62
 63static int measure_clock(struct adf_accel_dev *accel_dev)
 64{
 65	u32 frequency;
 66	int ret;
 67
 68	ret = adf_dev_measure_clock(accel_dev, &frequency, ADF_C3XXX_MIN_AE_FREQ,
 69				    ADF_C3XXX_MAX_AE_FREQ);
 70	if (ret)
 71		return ret;
 72
 73	accel_dev->hw_device->clock_frequency = frequency;
 74	return 0;
 75}
 76
 77static u32 get_misc_bar_id(struct adf_hw_device_data *self)
 78{
 79	return ADF_C3XXX_PMISC_BAR;
 80}
 81
 82static u32 get_etr_bar_id(struct adf_hw_device_data *self)
 83{
 84	return ADF_C3XXX_ETR_BAR;
 85}
 86
 87static u32 get_sram_bar_id(struct adf_hw_device_data *self)
 88{
 89	return ADF_C3XXX_SRAM_BAR;
 90}
 91
 92static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
 93{
 94	int aes = self->get_num_aes(self);
 95
 96	if (aes == 6)
 97		return DEV_SKU_4;
 98
 99	return DEV_SKU_UNKNOWN;
100}
101
102static const u32 *adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev)
103{
104	return thrd_to_arb_map;
105}
106
107static void configure_iov_threads(struct adf_accel_dev *accel_dev, bool enable)
108{
109	adf_gen2_cfg_iov_thds(accel_dev, enable,
110			      ADF_C3XXX_AE2FUNC_MAP_GRP_A_NUM_REGS,
111			      ADF_C3XXX_AE2FUNC_MAP_GRP_B_NUM_REGS);
112}
113
114void adf_init_hw_data_c3xxx(struct adf_hw_device_data *hw_data)
115{
116	hw_data->dev_class = &c3xxx_class;
117	hw_data->instance_id = c3xxx_class.instances++;
118	hw_data->num_banks = ADF_C3XXX_ETR_MAX_BANKS;
119	hw_data->num_rings_per_bank = ADF_ETR_MAX_RINGS_PER_BANK;
120	hw_data->num_accel = ADF_C3XXX_MAX_ACCELERATORS;
121	hw_data->num_logical_accel = 1;
122	hw_data->num_engines = ADF_C3XXX_MAX_ACCELENGINES;
123	hw_data->tx_rx_gap = ADF_GEN2_RX_RINGS_OFFSET;
124	hw_data->tx_rings_mask = ADF_GEN2_TX_RINGS_MASK;
125	hw_data->ring_to_svc_map = ADF_GEN2_DEFAULT_RING_TO_SRV_MAP;
126	hw_data->alloc_irq = adf_isr_resource_alloc;
127	hw_data->free_irq = adf_isr_resource_free;
128	hw_data->enable_error_correction = adf_gen2_enable_error_correction;
129	hw_data->get_accel_mask = get_accel_mask;
130	hw_data->get_ae_mask = get_ae_mask;
131	hw_data->get_accel_cap = adf_gen2_get_accel_cap;
132	hw_data->get_num_accels = adf_gen2_get_num_accels;
133	hw_data->get_num_aes = adf_gen2_get_num_aes;
134	hw_data->get_sram_bar_id = get_sram_bar_id;
135	hw_data->get_etr_bar_id = get_etr_bar_id;
136	hw_data->get_misc_bar_id = get_misc_bar_id;
137	hw_data->get_admin_info = adf_gen2_get_admin_info;
138	hw_data->get_arb_info = adf_gen2_get_arb_info;
139	hw_data->get_sku = get_sku;
140	hw_data->fw_name = ADF_C3XXX_FW;
141	hw_data->fw_mmp_name = ADF_C3XXX_MMP;
142	hw_data->init_admin_comms = adf_init_admin_comms;
143	hw_data->exit_admin_comms = adf_exit_admin_comms;
144	hw_data->configure_iov_threads = configure_iov_threads;
145	hw_data->send_admin_init = adf_send_admin_init;
146	hw_data->init_arb = adf_init_arb;
147	hw_data->exit_arb = adf_exit_arb;
148	hw_data->get_arb_mapping = adf_get_arbiter_mapping;
149	hw_data->enable_ints = adf_gen2_enable_ints;
150	hw_data->reset_device = adf_reset_flr;
151	hw_data->set_ssm_wdtimer = adf_gen2_set_ssm_wdtimer;
152	hw_data->disable_iov = adf_disable_sriov;
153	hw_data->dev_config = adf_gen2_dev_config;
154	hw_data->measure_clock = measure_clock;
155	hw_data->get_hb_clock = get_ts_clock;
156	hw_data->num_hb_ctrs = ADF_NUM_HB_CNT_PER_AE;
157	hw_data->check_hb_ctrs = adf_heartbeat_check_ctrs;
158
159	adf_gen2_init_pf_pfvf_ops(&hw_data->pfvf_ops);
160	adf_gen2_init_hw_csr_ops(&hw_data->csr_ops);
161	adf_gen2_init_dc_ops(&hw_data->dc_ops);
162}
163
164void adf_clean_hw_data_c3xxx(struct adf_hw_device_data *hw_data)
165{
166	hw_data->dev_class->instances--;
167}
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