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/*******************************************************************************
*
* Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
* Copyright(c) 2013 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in
* the file called "COPYING".
*
* Contact Information:
* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
******************************************************************************/
#include "i40e_type.h"
#include "i40e_adminq.h"
#include "i40e_prototype.h"
#include "i40e_virtchnl.h"
/**
* i40e_set_mac_type - Sets MAC type
* @hw: pointer to the HW structure
*
* This function sets the mac type of the adapter based on the
* vendor ID and device ID stored in the hw structure.
**/
i40e_status i40e_set_mac_type(struct i40e_hw *hw)
{
i40e_status status = 0;
if (hw->vendor_id == PCI_VENDOR_ID_INTEL) {
switch (hw->device_id) {
case I40E_DEV_ID_SFP_XL710:
case I40E_DEV_ID_SFP_X710:
case I40E_DEV_ID_QEMU:
case I40E_DEV_ID_KX_A:
case I40E_DEV_ID_KX_B:
case I40E_DEV_ID_KX_C:
case I40E_DEV_ID_KX_D:
case I40E_DEV_ID_QSFP_A:
case I40E_DEV_ID_QSFP_B:
case I40E_DEV_ID_QSFP_C:
hw->mac.type = I40E_MAC_XL710;
break;
case I40E_DEV_ID_VF:
case I40E_DEV_ID_VF_HV:
hw->mac.type = I40E_MAC_VF;
break;
default:
hw->mac.type = I40E_MAC_GENERIC;
break;
}
} else {
status = I40E_ERR_DEVICE_NOT_SUPPORTED;
}
hw_dbg(hw, "i40e_set_mac_type found mac: %d, returns: %d\n",
hw->mac.type, status);
return status;
}
/**
* i40evf_debug_aq
* @hw: debug mask related to admin queue
* @mask: debug mask
* @desc: pointer to admin queue descriptor
* @buffer: pointer to command buffer
*
* Dumps debug log about adminq command with descriptor contents.
**/
void i40evf_debug_aq(struct i40e_hw *hw, enum i40e_debug_mask mask, void *desc,
void *buffer)
{
struct i40e_aq_desc *aq_desc = (struct i40e_aq_desc *)desc;
u8 *aq_buffer = (u8 *)buffer;
u32 data[4];
u32 i = 0;
if ((!(mask & hw->debug_mask)) || (desc == NULL))
return;
i40e_debug(hw, mask,
"AQ CMD: opcode 0x%04X, flags 0x%04X, datalen 0x%04X, retval 0x%04X\n",
aq_desc->opcode, aq_desc->flags, aq_desc->datalen,
aq_desc->retval);
i40e_debug(hw, mask, "\tcookie (h,l) 0x%08X 0x%08X\n",
aq_desc->cookie_high, aq_desc->cookie_low);
i40e_debug(hw, mask, "\tparam (0,1) 0x%08X 0x%08X\n",
aq_desc->params.internal.param0,
aq_desc->params.internal.param1);
i40e_debug(hw, mask, "\taddr (h,l) 0x%08X 0x%08X\n",
aq_desc->params.external.addr_high,
aq_desc->params.external.addr_low);
if ((buffer != NULL) && (aq_desc->datalen != 0)) {
memset(data, 0, sizeof(data));
i40e_debug(hw, mask, "AQ CMD Buffer:\n");
for (i = 0; i < le16_to_cpu(aq_desc->datalen); i++) {
data[((i % 16) / 4)] |=
((u32)aq_buffer[i]) << (8 * (i % 4));
if ((i % 16) == 15) {
i40e_debug(hw, mask,
"\t0x%04X %08X %08X %08X %08X\n",
i - 15, data[0], data[1], data[2],
data[3]);
memset(data, 0, sizeof(data));
}
}
if ((i % 16) != 0)
i40e_debug(hw, mask, "\t0x%04X %08X %08X %08X %08X\n",
i - (i % 16), data[0], data[1], data[2],
data[3]);
}
}
/**
* i40evf_check_asq_alive
* @hw: pointer to the hw struct
*
* Returns true if Queue is enabled else false.
**/
bool i40evf_check_asq_alive(struct i40e_hw *hw)
{
return !!(rd32(hw, hw->aq.asq.len) & I40E_PF_ATQLEN_ATQENABLE_MASK);
}
/**
* i40evf_aq_queue_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.
**/
i40e_status i40evf_aq_queue_shutdown(struct i40e_hw *hw,
bool unloading)
{
struct i40e_aq_desc desc;
struct i40e_aqc_queue_shutdown *cmd =
(struct i40e_aqc_queue_shutdown *)&desc.params.raw;
i40e_status status;
i40evf_fill_default_direct_cmd_desc(&desc,
i40e_aqc_opc_queue_shutdown);
if (unloading)
cmd->driver_unloading = cpu_to_le32(I40E_AQ_DRIVER_UNLOADING);
status = i40evf_asq_send_command(hw, &desc, NULL, 0, NULL);
return status;
}
/**
* i40e_aq_send_msg_to_pf
* @hw: pointer to the hardware structure
* @v_opcode: opcodes for VF-PF communication
* @v_retval: return error code
* @msg: pointer to the msg buffer
* @msglen: msg length
* @cmd_details: pointer to command details
*
* Send message to PF driver using admin queue. By default, this message
* is sent asynchronously, i.e. i40evf_asq_send_command() does not wait for
* completion before returning.
**/
i40e_status i40e_aq_send_msg_to_pf(struct i40e_hw *hw,
enum i40e_virtchnl_ops v_opcode,
i40e_status v_retval,
u8 *msg, u16 msglen,
struct i40e_asq_cmd_details *cmd_details)
{
struct i40e_aq_desc desc;
i40e_status status;
i40evf_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_send_msg_to_pf);
desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_SI);
desc.cookie_high = cpu_to_le32(v_opcode);
desc.cookie_low = cpu_to_le32(v_retval);
if (msglen) {
desc.flags |= cpu_to_le16((u16)(I40E_AQ_FLAG_BUF
| I40E_AQ_FLAG_RD));
if (msglen > I40E_AQ_LARGE_BUF)
desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB);
desc.datalen = cpu_to_le16(msglen);
}
if (!cmd_details) {
struct i40e_asq_cmd_details details;
memset(&details, 0, sizeof(details));
details.async = true;
cmd_details = &details;
}
status = i40evf_asq_send_command(hw, (struct i40e_aq_desc *)&desc, msg,
msglen, cmd_details);
return status;
}
/**
* i40e_vf_parse_hw_config
* @hw: pointer to the hardware structure
* @msg: pointer to the virtual channel VF resource structure
*
* Given a VF resource message from the PF, populate the hw struct
* with appropriate information.
**/
void i40e_vf_parse_hw_config(struct i40e_hw *hw,
struct i40e_virtchnl_vf_resource *msg)
{
struct i40e_virtchnl_vsi_resource *vsi_res;
int i;
vsi_res = &msg->vsi_res[0];
hw->dev_caps.num_vsis = msg->num_vsis;
hw->dev_caps.num_rx_qp = msg->num_queue_pairs;
hw->dev_caps.num_tx_qp = msg->num_queue_pairs;
hw->dev_caps.num_msix_vectors_vf = msg->max_vectors;
hw->dev_caps.dcb = msg->vf_offload_flags &
I40E_VIRTCHNL_VF_OFFLOAD_L2;
hw->dev_caps.fcoe = (msg->vf_offload_flags &
I40E_VIRTCHNL_VF_OFFLOAD_FCOE) ? 1 : 0;
for (i = 0; i < msg->num_vsis; i++) {
if (vsi_res->vsi_type == I40E_VSI_SRIOV) {
memcpy(hw->mac.perm_addr, vsi_res->default_mac_addr,
ETH_ALEN);
memcpy(hw->mac.addr, vsi_res->default_mac_addr,
ETH_ALEN);
}
vsi_res++;
}
}
/**
* i40e_vf_reset
* @hw: pointer to the hardware structure
*
* Send a VF_RESET message to the PF. Does not wait for response from PF
* as none will be forthcoming. Immediately after calling this function,
* the admin queue should be shut down and (optionally) reinitialized.
**/
i40e_status i40e_vf_reset(struct i40e_hw *hw)
{
return i40e_aq_send_msg_to_pf(hw, I40E_VIRTCHNL_OP_RESET_VF,
0, NULL, 0, NULL);
}
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