linux/drivers/net/ethernet/intel/ice/ice_common.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018, Intel Corporation. */

#include "ice_common.h"
#include "ice_adminq_cmd.h"

/**
 * ice_debug_cq
 * @hw: pointer to the hardware structure
 * @mask: debug mask
 * @desc: pointer to control queue descriptor
 * @buf: pointer to command buffer
 * @buf_len: max length of buf
 *
 * Dumps debug log about control command with descriptor contents.
 */
void ice_debug_cq(struct ice_hw *hw, u32 __maybe_unused mask, void *desc,
		  void *buf, u16 buf_len)
{
	struct ice_aq_desc *cq_desc = (struct ice_aq_desc *)desc;
	u16 len;

#ifndef CONFIG_DYNAMIC_DEBUG
	if (!(mask & hw->debug_mask))
		return;
#endif

	if (!desc)
		return;

	len = le16_to_cpu(cq_desc->datalen);

	ice_debug(hw, mask,
		  "CQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
		  le16_to_cpu(cq_desc->opcode),
		  le16_to_cpu(cq_desc->flags),
		  le16_to_cpu(cq_desc->datalen), le16_to_cpu(cq_desc->retval));
	ice_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n",
		  le32_to_cpu(cq_desc->cookie_high),
		  le32_to_cpu(cq_desc->cookie_low));
	ice_debug(hw, mask, "\tparam (0,1)  0x%08X 0x%08X\n",
		  le32_to_cpu(cq_desc->params.generic.param0),
		  le32_to_cpu(cq_desc->params.generic.param1));
	ice_debug(hw, mask, "\taddr (h,l)   0x%08X 0x%08X\n",
		  le32_to_cpu(cq_desc->params.generic.addr_high),
		  le32_to_cpu(cq_desc->params.generic.addr_low));
	if (buf && cq_desc->datalen != 0) {
		ice_debug(hw, mask, "Buffer:\n");
		if (buf_len < len)
			len = buf_len;

		ice_debug_array(hw, mask, 16, 1, (u8 *)buf, len);
	}
}

/* FW Admin Queue command wrappers */

/**
 * ice_aq_send_cmd - send FW Admin Queue command to FW Admin Queue
 * @hw: pointer to the hw struct
 * @desc: descriptor describing the command
 * @buf: buffer to use for indirect commands (NULL for direct commands)
 * @buf_size: size of buffer for indirect commands (0 for direct commands)
 * @cd: pointer to command details structure
 *
 * Helper function to send FW Admin Queue commands to the FW Admin Queue.
 */
enum ice_status
ice_aq_send_cmd(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf,
		u16 buf_size, struct ice_sq_cd *cd)
{
	return ice_sq_send_cmd(hw, &hw->adminq, desc, buf, buf_size, cd);
}

/**
 * ice_aq_get_fw_ver
 * @hw: pointer to the hw struct
 * @cd: pointer to command details structure or NULL
 *
 * Get the firmware version (0x0001) from the admin queue commands
 */
enum ice_status ice_aq_get_fw_ver(struct ice_hw *hw, struct ice_sq_cd *cd)
{
	struct ice_aqc_get_ver *resp;
	struct ice_aq_desc desc;
	enum ice_status status;

	resp = &desc.params.get_ver;

	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_ver);

	status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);

	if (!status) {
		hw->fw_branch = resp->fw_branch;
		hw->fw_maj_ver = resp->fw_major;
		hw->fw_min_ver = resp->fw_minor;
		hw->fw_patch = resp->fw_patch;
		hw->fw_build = le32_to_cpu(resp->fw_build);
		hw->api_branch = resp->api_branch;
		hw->api_maj_ver = resp->api_major;
		hw->api_min_ver = resp->api_minor;
		hw->api_patch = resp->api_patch;
	}

	return status;
}

/**
 * ice_aq_q_shutdown
 * @hw: pointer to the hw struct
 * @unloading: is the driver unloading itself
 *
 * Tell the Firmware that we're shutting down the AdminQ and whether
 * or not the driver is unloading as well (0x0003).
 */
enum ice_status ice_aq_q_shutdown(struct ice_hw *hw, bool unloading)
{
	struct ice_aqc_q_shutdown *cmd;
	struct ice_aq_desc desc;

	cmd = &desc.params.q_shutdown;

	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_q_shutdown);

	if (unloading)
		cmd->driver_unloading = cpu_to_le32(ICE_AQC_DRIVER_UNLOADING);

	return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}