linux/drivers/crypto/intel/qat/qat_common/adf_admin.c

// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
/* Copyright(c) 2014 - 2020 Intel Corporation */
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/iopoll.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include "adf_accel_devices.h"
#include "adf_admin.h"
#include "adf_common_drv.h"
#include "adf_cfg.h"
#include "adf_heartbeat.h"
#include "icp_qat_fw_init_admin.h"

#define ADF_ADMIN_MAILBOX_STRIDE …
#define ADF_ADMINMSG_LEN …
#define ADF_CONST_TABLE_SIZE …
#define ADF_ADMIN_POLL_DELAY_US …
#define ADF_ADMIN_POLL_TIMEOUT_US …
#define ADF_ONE_AE …

static const u8 const_tab[1024] __aligned(1024) = …;

struct adf_admin_comms { … };

static int adf_put_admin_msg_sync(struct adf_accel_dev *accel_dev, u32 ae,
				  void *in, void *out)
{ … }

static int adf_send_admin(struct adf_accel_dev *accel_dev,
			  struct icp_qat_fw_init_admin_req *req,
			  struct icp_qat_fw_init_admin_resp *resp,
			  const unsigned long ae_mask)
{ … }

static int adf_init_ae(struct adf_accel_dev *accel_dev)
{ … }

static int adf_set_fw_constants(struct adf_accel_dev *accel_dev)
{ … }

int adf_get_fw_timestamp(struct adf_accel_dev *accel_dev, u64 *timestamp)
{ … }

static int adf_set_chaining(struct adf_accel_dev *accel_dev)
{ … }

static int adf_get_dc_capabilities(struct adf_accel_dev *accel_dev,
				   u32 *capabilities)
{ … }

int adf_get_ae_fw_counters(struct adf_accel_dev *accel_dev, u16 ae, u64 *reqs, u64 *resps)
{ … }

int adf_send_admin_tim_sync(struct adf_accel_dev *accel_dev, u32 cnt)
{ … }

int adf_send_admin_hb_timer(struct adf_accel_dev *accel_dev, uint32_t ticks)
{ … }

static bool is_dcc_enabled(struct adf_accel_dev *accel_dev)
{ … }

static int adf_get_fw_capabilities(struct adf_accel_dev *accel_dev, u16 *caps)
{ … }

int adf_send_admin_rl_init(struct adf_accel_dev *accel_dev,
			   struct icp_qat_fw_init_admin_slice_cnt *slices)
{ … }

int adf_send_admin_rl_add_update(struct adf_accel_dev *accel_dev,
				 struct icp_qat_fw_init_admin_req *req)
{ … }

int adf_send_admin_rl_delete(struct adf_accel_dev *accel_dev, u16 node_id,
			     u8 node_type)
{ … }

/**
 * adf_send_admin_init() - Function sends init message to FW
 * @accel_dev: Pointer to acceleration device.
 *
 * Function sends admin init message to the FW
 *
 * Return: 0 on success, error code otherwise.
 */
int adf_send_admin_init(struct adf_accel_dev *accel_dev)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 * adf_init_admin_pm() - Function sends PM init message to FW
 * @accel_dev: Pointer to acceleration device.
 * @idle_delay: QAT HW idle time before power gating is initiated.
 *		000 - 64us
 *		001 - 128us
 *		010 - 256us
 *		011 - 512us
 *		100 - 1ms
 *		101 - 2ms
 *		110 - 4ms
 *		111 - 8ms
 *
 * Function sends to the FW the admin init message for the PM state
 * configuration.
 *
 * Return: 0 on success, error code otherwise.
 */
int adf_init_admin_pm(struct adf_accel_dev *accel_dev, u32 idle_delay)
{ … }

int adf_get_pm_info(struct adf_accel_dev *accel_dev, dma_addr_t p_state_addr,
		    size_t buff_size)
{ … }

int adf_get_cnv_stats(struct adf_accel_dev *accel_dev, u16 ae, u16 *err_cnt,
		      u16 *latest_err)
{ … }

int adf_send_admin_tl_start(struct adf_accel_dev *accel_dev,
			    dma_addr_t tl_dma_addr, size_t layout_sz, u8 *rp_indexes,
			    struct icp_qat_fw_init_admin_slice_cnt *slice_count)
{ … }

int adf_send_admin_tl_stop(struct adf_accel_dev *accel_dev)
{ … }

int adf_init_admin_comms(struct adf_accel_dev *accel_dev)
{ … }
EXPORT_SYMBOL_GPL(…);

void adf_exit_admin_comms(struct adf_accel_dev *accel_dev)
{ … }
EXPORT_SYMBOL_GPL(…);