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kernel / pub / scm / linux / kernel / git / joro / iommu / aaab76080256872c1a82c7b5cd3dd7f4745bd356 / . / drivers / net / ethernet / intel / ice / ice_common.c
blob: d9f6cc71d900aa4e91ebe2ca5878a3ea467a89a2 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018-2023, Intel Corporation. */
#include "ice_common.h"
#include "ice_sched.h"
#include "ice_adminq_cmd.h"
#include "ice_flow.h"
#include "ice_ptp_hw.h"
#define ICE_PF_RESET_WAIT_COUNT 300
#define ICE_MAX_NETLIST_SIZE 10
static const char * const ice_link_mode_str_low[] = {
[0] = "100BASE_TX",
[1] = "100M_SGMII",
[2] = "1000BASE_T",
[3] = "1000BASE_SX",
[4] = "1000BASE_LX",
[5] = "1000BASE_KX",
[6] = "1G_SGMII",
[7] = "2500BASE_T",
[8] = "2500BASE_X",
[9] = "2500BASE_KX",
[10] = "5GBASE_T",
[11] = "5GBASE_KR",
[12] = "10GBASE_T",
[13] = "10G_SFI_DA",
[14] = "10GBASE_SR",
[15] = "10GBASE_LR",
[16] = "10GBASE_KR_CR1",
[17] = "10G_SFI_AOC_ACC",
[18] = "10G_SFI_C2C",
[19] = "25GBASE_T",
[20] = "25GBASE_CR",
[21] = "25GBASE_CR_S",
[22] = "25GBASE_CR1",
[23] = "25GBASE_SR",
[24] = "25GBASE_LR",
[25] = "25GBASE_KR",
[26] = "25GBASE_KR_S",
[27] = "25GBASE_KR1",
[28] = "25G_AUI_AOC_ACC",
[29] = "25G_AUI_C2C",
[30] = "40GBASE_CR4",
[31] = "40GBASE_SR4",
[32] = "40GBASE_LR4",
[33] = "40GBASE_KR4",
[34] = "40G_XLAUI_AOC_ACC",
[35] = "40G_XLAUI",
[36] = "50GBASE_CR2",
[37] = "50GBASE_SR2",
[38] = "50GBASE_LR2",
[39] = "50GBASE_KR2",
[40] = "50G_LAUI2_AOC_ACC",
[41] = "50G_LAUI2",
[42] = "50G_AUI2_AOC_ACC",
[43] = "50G_AUI2",
[44] = "50GBASE_CP",
[45] = "50GBASE_SR",
[46] = "50GBASE_FR",
[47] = "50GBASE_LR",
[48] = "50GBASE_KR_PAM4",
[49] = "50G_AUI1_AOC_ACC",
[50] = "50G_AUI1",
[51] = "100GBASE_CR4",
[52] = "100GBASE_SR4",
[53] = "100GBASE_LR4",
[54] = "100GBASE_KR4",
[55] = "100G_CAUI4_AOC_ACC",
[56] = "100G_CAUI4",
[57] = "100G_AUI4_AOC_ACC",
[58] = "100G_AUI4",
[59] = "100GBASE_CR_PAM4",
[60] = "100GBASE_KR_PAM4",
[61] = "100GBASE_CP2",
[62] = "100GBASE_SR2",
[63] = "100GBASE_DR",
};
static const char * const ice_link_mode_str_high[] = {
[0] = "100GBASE_KR2_PAM4",
[1] = "100G_CAUI2_AOC_ACC",
[2] = "100G_CAUI2",
[3] = "100G_AUI2_AOC_ACC",
[4] = "100G_AUI2",
};
/**
* ice_dump_phy_type - helper function to dump phy_type
* @hw: pointer to the HW structure
* @low: 64 bit value for phy_type_low
* @high: 64 bit value for phy_type_high
* @prefix: prefix string to differentiate multiple dumps
*/
static void
ice_dump_phy_type(struct ice_hw *hw, u64 low, u64 high, const char *prefix)
{
ice_debug(hw, ICE_DBG_PHY, "%s: phy_type_low: 0x%016llx\n", prefix, low);
for (u32 i = 0; i < BITS_PER_TYPE(typeof(low)); i++) {
if (low & BIT_ULL(i))
ice_debug(hw, ICE_DBG_PHY, "%s: bit(%d): %s\n",
prefix, i, ice_link_mode_str_low[i]);
}
ice_debug(hw, ICE_DBG_PHY, "%s: phy_type_high: 0x%016llx\n", prefix, high);
for (u32 i = 0; i < BITS_PER_TYPE(typeof(high)); i++) {
if (high & BIT_ULL(i))
ice_debug(hw, ICE_DBG_PHY, "%s: bit(%d): %s\n",
prefix, i, ice_link_mode_str_high[i]);
}
}
/**
* ice_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.
*/
static int ice_set_mac_type(struct ice_hw *hw)
{
if (hw->vendor_id != PCI_VENDOR_ID_INTEL)
return -ENODEV;
switch (hw->device_id) {
case ICE_DEV_ID_E810C_BACKPLANE:
case ICE_DEV_ID_E810C_QSFP:
case ICE_DEV_ID_E810C_SFP:
case ICE_DEV_ID_E810_XXV_BACKPLANE:
case ICE_DEV_ID_E810_XXV_QSFP:
case ICE_DEV_ID_E810_XXV_SFP:
hw->mac_type = ICE_MAC_E810;
break;
case ICE_DEV_ID_E823C_10G_BASE_T:
case ICE_DEV_ID_E823C_BACKPLANE:
case ICE_DEV_ID_E823C_QSFP:
case ICE_DEV_ID_E823C_SFP:
case ICE_DEV_ID_E823C_SGMII:
case ICE_DEV_ID_E822C_10G_BASE_T:
case ICE_DEV_ID_E822C_BACKPLANE:
case ICE_DEV_ID_E822C_QSFP:
case ICE_DEV_ID_E822C_SFP:
case ICE_DEV_ID_E822C_SGMII:
case ICE_DEV_ID_E822L_10G_BASE_T:
case ICE_DEV_ID_E822L_BACKPLANE:
case ICE_DEV_ID_E822L_SFP:
case ICE_DEV_ID_E822L_SGMII:
case ICE_DEV_ID_E823L_10G_BASE_T:
case ICE_DEV_ID_E823L_1GBE:
case ICE_DEV_ID_E823L_BACKPLANE:
case ICE_DEV_ID_E823L_QSFP:
case ICE_DEV_ID_E823L_SFP:
hw->mac_type = ICE_MAC_GENERIC;
break;
case ICE_DEV_ID_E825C_BACKPLANE:
case ICE_DEV_ID_E825C_QSFP:
case ICE_DEV_ID_E825C_SFP:
case ICE_DEV_ID_E825C_SGMII:
hw->mac_type = ICE_MAC_GENERIC_3K_E825;
break;
case ICE_DEV_ID_E830_BACKPLANE:
case ICE_DEV_ID_E830_QSFP56:
case ICE_DEV_ID_E830_SFP:
case ICE_DEV_ID_E830_SFP_DD:
hw->mac_type = ICE_MAC_E830;
break;
default:
hw->mac_type = ICE_MAC_UNKNOWN;
break;
}
ice_debug(hw, ICE_DBG_INIT, "mac_type: %d\n", hw->mac_type);
return 0;
}
/**
* ice_is_generic_mac - check if device's mac_type is generic
* @hw: pointer to the hardware structure
*
* Return: true if mac_type is generic (with SBQ support), false if not
*/
bool ice_is_generic_mac(struct ice_hw *hw)
{
return (hw->mac_type == ICE_MAC_GENERIC ||
hw->mac_type == ICE_MAC_GENERIC_3K_E825);
}
/**
* ice_is_e810
* @hw: pointer to the hardware structure
*
* returns true if the device is E810 based, false if not.
*/
bool ice_is_e810(struct ice_hw *hw)
{
return hw->mac_type == ICE_MAC_E810;
}
/**
* ice_is_e810t
* @hw: pointer to the hardware structure
*
* returns true if the device is E810T based, false if not.
*/
bool ice_is_e810t(struct ice_hw *hw)
{
switch (hw->device_id) {
case ICE_DEV_ID_E810C_SFP:
switch (hw->subsystem_device_id) {
case ICE_SUBDEV_ID_E810T:
case ICE_SUBDEV_ID_E810T2:
case ICE_SUBDEV_ID_E810T3:
case ICE_SUBDEV_ID_E810T4:
case ICE_SUBDEV_ID_E810T6:
case ICE_SUBDEV_ID_E810T7:
return true;
}
break;
case ICE_DEV_ID_E810C_QSFP:
switch (hw->subsystem_device_id) {
case ICE_SUBDEV_ID_E810T2:
case ICE_SUBDEV_ID_E810T3:
case ICE_SUBDEV_ID_E810T5:
return true;
}
break;
default:
break;
}
return false;
}
/**
* ice_is_e823
* @hw: pointer to the hardware structure
*
* returns true if the device is E823-L or E823-C based, false if not.
*/
bool ice_is_e823(struct ice_hw *hw)
{
switch (hw->device_id) {
case ICE_DEV_ID_E823L_BACKPLANE:
case ICE_DEV_ID_E823L_SFP:
case ICE_DEV_ID_E823L_10G_BASE_T:
case ICE_DEV_ID_E823L_1GBE:
case ICE_DEV_ID_E823L_QSFP:
case ICE_DEV_ID_E823C_BACKPLANE:
case ICE_DEV_ID_E823C_QSFP:
case ICE_DEV_ID_E823C_SFP:
case ICE_DEV_ID_E823C_10G_BASE_T:
case ICE_DEV_ID_E823C_SGMII:
return true;
default:
return false;
}
}
/**
* ice_is_e825c - Check if a device is E825C family device
* @hw: pointer to the hardware structure
*
* Return: true if the device is E825-C based, false if not.
*/
bool ice_is_e825c(struct ice_hw *hw)
{
switch (hw->device_id) {
case ICE_DEV_ID_E825C_BACKPLANE:
case ICE_DEV_ID_E825C_QSFP:
case ICE_DEV_ID_E825C_SFP:
case ICE_DEV_ID_E825C_SGMII:
return true;
default:
return false;
}
}
/**
* ice_clear_pf_cfg - Clear PF configuration
* @hw: pointer to the hardware structure
*
* Clears any existing PF configuration (VSIs, VSI lists, switch rules, port
* configuration, flow director filters, etc.).
*/
int ice_clear_pf_cfg(struct ice_hw *hw)
{
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pf_cfg);
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_aq_manage_mac_read - manage MAC address read command
* @hw: pointer to the HW struct
* @buf: a virtual buffer to hold the manage MAC read response
* @buf_size: Size of the virtual buffer
* @cd: pointer to command details structure or NULL
*
* This function is used to return per PF station MAC address (0x0107).
* NOTE: Upon successful completion of this command, MAC address information
* is returned in user specified buffer. Please interpret user specified
* buffer as "manage_mac_read" response.
* Response such as various MAC addresses are stored in HW struct (port.mac)
* ice_discover_dev_caps is expected to be called before this function is
* called.
*/
static int
ice_aq_manage_mac_read(struct ice_hw *hw, void *buf, u16 buf_size,
struct ice_sq_cd *cd)
{
struct ice_aqc_manage_mac_read_resp *resp;
struct ice_aqc_manage_mac_read *cmd;
struct ice_aq_desc desc;
int status;
u16 flags;
u8 i;
cmd = &desc.params.mac_read;
if (buf_size < sizeof(*resp))
return -EINVAL;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_read);
status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
if (status)
return status;
resp = buf;
flags = le16_to_cpu(cmd->flags) & ICE_AQC_MAN_MAC_READ_M;
if (!(flags & ICE_AQC_MAN_MAC_LAN_ADDR_VALID)) {
ice_debug(hw, ICE_DBG_LAN, "got invalid MAC address\n");
return -EIO;
}
/* A single port can report up to two (LAN and WoL) addresses */
for (i = 0; i < cmd->num_addr; i++)
if (resp[i].addr_type == ICE_AQC_MAN_MAC_ADDR_TYPE_LAN) {
ether_addr_copy(hw->port_info->mac.lan_addr,
resp[i].mac_addr);
ether_addr_copy(hw->port_info->mac.perm_addr,
resp[i].mac_addr);
break;
}
return 0;
}
/**
* ice_aq_get_phy_caps - returns PHY capabilities
* @pi: port information structure
* @qual_mods: report qualified modules
* @report_mode: report mode capabilities
* @pcaps: structure for PHY capabilities to be filled
* @cd: pointer to command details structure or NULL
*
* Returns the various PHY capabilities supported on the Port (0x0600)
*/
int
ice_aq_get_phy_caps(struct ice_port_info *pi, bool qual_mods, u8 report_mode,
struct ice_aqc_get_phy_caps_data *pcaps,
struct ice_sq_cd *cd)
{
struct ice_aqc_get_phy_caps *cmd;
u16 pcaps_size = sizeof(*pcaps);
struct ice_aq_desc desc;
const char *prefix;
struct ice_hw *hw;
int status;
cmd = &desc.params.get_phy;
if (!pcaps || (report_mode & ~ICE_AQC_REPORT_MODE_M) || !pi)
return -EINVAL;
hw = pi->hw;
if (report_mode == ICE_AQC_REPORT_DFLT_CFG &&
!ice_fw_supports_report_dflt_cfg(hw))
return -EINVAL;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_caps);
if (qual_mods)
cmd->param0 |= cpu_to_le16(ICE_AQC_GET_PHY_RQM);
cmd->param0 |= cpu_to_le16(report_mode);
status = ice_aq_send_cmd(hw, &desc, pcaps, pcaps_size, cd);
ice_debug(hw, ICE_DBG_LINK, "get phy caps dump\n");
switch (report_mode) {
case ICE_AQC_REPORT_TOPO_CAP_MEDIA:
prefix = "phy_caps_media";
break;
case ICE_AQC_REPORT_TOPO_CAP_NO_MEDIA:
prefix = "phy_caps_no_media";
break;
case ICE_AQC_REPORT_ACTIVE_CFG:
prefix = "phy_caps_active";
break;
case ICE_AQC_REPORT_DFLT_CFG:
prefix = "phy_caps_default";
break;
default:
prefix = "phy_caps_invalid";
}
ice_dump_phy_type(hw, le64_to_cpu(pcaps->phy_type_low),
le64_to_cpu(pcaps->phy_type_high), prefix);
ice_debug(hw, ICE_DBG_LINK, "%s: report_mode = 0x%x\n",
prefix, report_mode);
ice_debug(hw, ICE_DBG_LINK, "%s: caps = 0x%x\n", prefix, pcaps->caps);
ice_debug(hw, ICE_DBG_LINK, "%s: low_power_ctrl_an = 0x%x\n", prefix,
pcaps->low_power_ctrl_an);
ice_debug(hw, ICE_DBG_LINK, "%s: eee_cap = 0x%x\n", prefix,
pcaps->eee_cap);
ice_debug(hw, ICE_DBG_LINK, "%s: eeer_value = 0x%x\n", prefix,
pcaps->eeer_value);
ice_debug(hw, ICE_DBG_LINK, "%s: link_fec_options = 0x%x\n", prefix,
pcaps->link_fec_options);
ice_debug(hw, ICE_DBG_LINK, "%s: module_compliance_enforcement = 0x%x\n",
prefix, pcaps->module_compliance_enforcement);
ice_debug(hw, ICE_DBG_LINK, "%s: extended_compliance_code = 0x%x\n",
prefix, pcaps->extended_compliance_code);
ice_debug(hw, ICE_DBG_LINK, "%s: module_type[0] = 0x%x\n", prefix,
pcaps->module_type[0]);
ice_debug(hw, ICE_DBG_LINK, "%s: module_type[1] = 0x%x\n", prefix,
pcaps->module_type[1]);
ice_debug(hw, ICE_DBG_LINK, "%s: module_type[2] = 0x%x\n", prefix,
pcaps->module_type[2]);
if (!status && report_mode == ICE_AQC_REPORT_TOPO_CAP_MEDIA) {
pi->phy.phy_type_low = le64_to_cpu(pcaps->phy_type_low);
pi->phy.phy_type_high = le64_to_cpu(pcaps->phy_type_high);
memcpy(pi->phy.link_info.module_type, &pcaps->module_type,
sizeof(pi->phy.link_info.module_type));
}
return status;
}
/**
* ice_aq_get_link_topo_handle - get link topology node return status
* @pi: port information structure
* @node_type: requested node type
* @cd: pointer to command details structure or NULL
*
* Get link topology node return status for specified node type (0x06E0)
*
* Node type cage can be used to determine if cage is present. If AQC
* returns error (ENOENT), then no cage present. If no cage present, then
* connection type is backplane or BASE-T.
*/
static int
ice_aq_get_link_topo_handle(struct ice_port_info *pi, u8 node_type,
struct ice_sq_cd *cd)
{
struct ice_aqc_get_link_topo *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.get_link_topo;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
cmd->addr.topo_params.node_type_ctx =
(ICE_AQC_LINK_TOPO_NODE_CTX_PORT <<
ICE_AQC_LINK_TOPO_NODE_CTX_S);
/* set node type */
cmd->addr.topo_params.node_type_ctx |=
(ICE_AQC_LINK_TOPO_NODE_TYPE_M & node_type);
return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_get_netlist_node
* @hw: pointer to the hw struct
* @cmd: get_link_topo AQ structure
* @node_part_number: output node part number if node found
* @node_handle: output node handle parameter if node found
*
* Get netlist node handle.
*/
int
ice_aq_get_netlist_node(struct ice_hw *hw, struct ice_aqc_get_link_topo *cmd,
u8 *node_part_number, u16 *node_handle)
{
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_topo);
desc.params.get_link_topo = *cmd;
if (ice_aq_send_cmd(hw, &desc, NULL, 0, NULL))
return -EINTR;
if (node_handle)
*node_handle =
le16_to_cpu(desc.params.get_link_topo.addr.handle);
if (node_part_number)
*node_part_number = desc.params.get_link_topo.node_part_num;
return 0;
}
/**
* ice_find_netlist_node
* @hw: pointer to the hw struct
* @node_type_ctx: type of netlist node to look for
* @node_part_number: node part number to look for
* @node_handle: output parameter if node found - optional
*
* Scan the netlist for a node handle of the given node type and part number.
*
* If node_handle is non-NULL it will be modified on function exit. It is only
* valid if the function returns zero, and should be ignored on any non-zero
* return value.
*
* Returns: 0 if the node is found, -ENOENT if no handle was found, and
* a negative error code on failure to access the AQ.
*/
static int ice_find_netlist_node(struct ice_hw *hw, u8 node_type_ctx,
u8 node_part_number, u16 *node_handle)
{
u8 idx;
for (idx = 0; idx < ICE_MAX_NETLIST_SIZE; idx++) {
struct ice_aqc_get_link_topo cmd = {};
u8 rec_node_part_number;
int status;
cmd.addr.topo_params.node_type_ctx =
FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_TYPE_M,
node_type_ctx);
cmd.addr.topo_params.index = idx;
status = ice_aq_get_netlist_node(hw, &cmd,
&rec_node_part_number,
node_handle);
if (status)
return status;
if (rec_node_part_number == node_part_number)
return 0;
}
return -ENOENT;
}
/**
* ice_is_media_cage_present
* @pi: port information structure
*
* Returns true if media cage is present, else false. If no cage, then
* media type is backplane or BASE-T.
*/
static bool ice_is_media_cage_present(struct ice_port_info *pi)
{
/* Node type cage can be used to determine if cage is present. If AQC
* returns error (ENOENT), then no cage present. If no cage present then
* connection type is backplane or BASE-T.
*/
return !ice_aq_get_link_topo_handle(pi,
ICE_AQC_LINK_TOPO_NODE_TYPE_CAGE,
NULL);
}
/**
* ice_get_media_type - Gets media type
* @pi: port information structure
*/
static enum ice_media_type ice_get_media_type(struct ice_port_info *pi)
{
struct ice_link_status *hw_link_info;
if (!pi)
return ICE_MEDIA_UNKNOWN;
hw_link_info = &pi->phy.link_info;
if (hw_link_info->phy_type_low && hw_link_info->phy_type_high)
/* If more than one media type is selected, report unknown */
return ICE_MEDIA_UNKNOWN;
if (hw_link_info->phy_type_low) {
/* 1G SGMII is a special case where some DA cable PHYs
* may show this as an option when it really shouldn't
* be since SGMII is meant to be between a MAC and a PHY
* in a backplane. Try to detect this case and handle it
*/
if (hw_link_info->phy_type_low == ICE_PHY_TYPE_LOW_1G_SGMII &&
(hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] ==
ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_ACTIVE ||
hw_link_info->module_type[ICE_AQC_MOD_TYPE_IDENT] ==
ICE_AQC_MOD_TYPE_BYTE1_SFP_PLUS_CU_PASSIVE))
return ICE_MEDIA_DA;
switch (hw_link_info->phy_type_low) {
case ICE_PHY_TYPE_LOW_1000BASE_SX:
case ICE_PHY_TYPE_LOW_1000BASE_LX:
case ICE_PHY_TYPE_LOW_10GBASE_SR:
case ICE_PHY_TYPE_LOW_10GBASE_LR:
case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
case ICE_PHY_TYPE_LOW_25GBASE_SR:
case ICE_PHY_TYPE_LOW_25GBASE_LR:
case ICE_PHY_TYPE_LOW_40GBASE_SR4:
case ICE_PHY_TYPE_LOW_40GBASE_LR4:
case ICE_PHY_TYPE_LOW_50GBASE_SR2:
case ICE_PHY_TYPE_LOW_50GBASE_LR2:
case ICE_PHY_TYPE_LOW_50GBASE_SR:
case ICE_PHY_TYPE_LOW_50GBASE_FR:
case ICE_PHY_TYPE_LOW_50GBASE_LR:
case ICE_PHY_TYPE_LOW_100GBASE_SR4:
case ICE_PHY_TYPE_LOW_100GBASE_LR4:
case ICE_PHY_TYPE_LOW_100GBASE_SR2:
case ICE_PHY_TYPE_LOW_100GBASE_DR:
case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
return ICE_MEDIA_FIBER;
case ICE_PHY_TYPE_LOW_100BASE_TX:
case ICE_PHY_TYPE_LOW_1000BASE_T:
case ICE_PHY_TYPE_LOW_2500BASE_T:
case ICE_PHY_TYPE_LOW_5GBASE_T:
case ICE_PHY_TYPE_LOW_10GBASE_T:
case ICE_PHY_TYPE_LOW_25GBASE_T:
return ICE_MEDIA_BASET;
case ICE_PHY_TYPE_LOW_10G_SFI_DA:
case ICE_PHY_TYPE_LOW_25GBASE_CR:
case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
case ICE_PHY_TYPE_LOW_25GBASE_CR1:
case ICE_PHY_TYPE_LOW_40GBASE_CR4:
case ICE_PHY_TYPE_LOW_50GBASE_CR2:
case ICE_PHY_TYPE_LOW_50GBASE_CP:
case ICE_PHY_TYPE_LOW_100GBASE_CR4:
case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
case ICE_PHY_TYPE_LOW_100GBASE_CP2:
return ICE_MEDIA_DA;
case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
case ICE_PHY_TYPE_LOW_40G_XLAUI:
case ICE_PHY_TYPE_LOW_50G_LAUI2:
case ICE_PHY_TYPE_LOW_50G_AUI2:
case ICE_PHY_TYPE_LOW_50G_AUI1:
case ICE_PHY_TYPE_LOW_100G_AUI4:
case ICE_PHY_TYPE_LOW_100G_CAUI4:
if (ice_is_media_cage_present(pi))
return ICE_MEDIA_DA;
fallthrough;
case ICE_PHY_TYPE_LOW_1000BASE_KX:
case ICE_PHY_TYPE_LOW_2500BASE_KX:
case ICE_PHY_TYPE_LOW_2500BASE_X:
case ICE_PHY_TYPE_LOW_5GBASE_KR:
case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
case ICE_PHY_TYPE_LOW_25GBASE_KR:
case ICE_PHY_TYPE_LOW_25GBASE_KR1:
case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
case ICE_PHY_TYPE_LOW_40GBASE_KR4:
case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
case ICE_PHY_TYPE_LOW_50GBASE_KR2:
case ICE_PHY_TYPE_LOW_100GBASE_KR4:
case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
return ICE_MEDIA_BACKPLANE;
}
} else {
switch (hw_link_info->phy_type_high) {
case ICE_PHY_TYPE_HIGH_100G_AUI2:
case ICE_PHY_TYPE_HIGH_100G_CAUI2:
if (ice_is_media_cage_present(pi))
return ICE_MEDIA_DA;
fallthrough;
case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
return ICE_MEDIA_BACKPLANE;
case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
return ICE_MEDIA_FIBER;
}
}
return ICE_MEDIA_UNKNOWN;
}
/**
* ice_get_link_status_datalen
* @hw: pointer to the HW struct
*
* Returns datalength for the Get Link Status AQ command, which is bigger for
* newer adapter families handled by ice driver.
*/
static u16 ice_get_link_status_datalen(struct ice_hw *hw)
{
switch (hw->mac_type) {
case ICE_MAC_E830:
return ICE_AQC_LS_DATA_SIZE_V2;
case ICE_MAC_E810:
default:
return ICE_AQC_LS_DATA_SIZE_V1;
}
}
/**
* ice_aq_get_link_info
* @pi: port information structure
* @ena_lse: enable/disable LinkStatusEvent reporting
* @link: pointer to link status structure - optional
* @cd: pointer to command details structure or NULL
*
* Get Link Status (0x607). Returns the link status of the adapter.
*/
int
ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
struct ice_link_status *link, struct ice_sq_cd *cd)
{
struct ice_aqc_get_link_status_data link_data = { 0 };
struct ice_aqc_get_link_status *resp;
struct ice_link_status *li_old, *li;
enum ice_media_type *hw_media_type;
struct ice_fc_info *hw_fc_info;
bool tx_pause, rx_pause;
struct ice_aq_desc desc;
struct ice_hw *hw;
u16 cmd_flags;
int status;
if (!pi)
return -EINVAL;
hw = pi->hw;
li_old = &pi->phy.link_info_old;
hw_media_type = &pi->phy.media_type;
li = &pi->phy.link_info;
hw_fc_info = &pi->fc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_link_status);
cmd_flags = (ena_lse) ? ICE_AQ_LSE_ENA : ICE_AQ_LSE_DIS;
resp = &desc.params.get_link_status;
resp->cmd_flags = cpu_to_le16(cmd_flags);
resp->lport_num = pi->lport;
status = ice_aq_send_cmd(hw, &desc, &link_data,
ice_get_link_status_datalen(hw), cd);
if (status)
return status;
/* save off old link status information */
*li_old = *li;
/* update current link status information */
li->link_speed = le16_to_cpu(link_data.link_speed);
li->phy_type_low = le64_to_cpu(link_data.phy_type_low);
li->phy_type_high = le64_to_cpu(link_data.phy_type_high);
*hw_media_type = ice_get_media_type(pi);
li->link_info = link_data.link_info;
li->link_cfg_err = link_data.link_cfg_err;
li->an_info = link_data.an_info;
li->ext_info = link_data.ext_info;
li->max_frame_size = le16_to_cpu(link_data.max_frame_size);
li->fec_info = link_data.cfg & ICE_AQ_FEC_MASK;
li->topo_media_conflict = link_data.topo_media_conflict;
li->pacing = link_data.cfg & (ICE_AQ_CFG_PACING_M |
ICE_AQ_CFG_PACING_TYPE_M);
/* update fc info */
tx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_TX);
rx_pause = !!(link_data.an_info & ICE_AQ_LINK_PAUSE_RX);
if (tx_pause && rx_pause)
hw_fc_info->current_mode = ICE_FC_FULL;
else if (tx_pause)
hw_fc_info->current_mode = ICE_FC_TX_PAUSE;
else if (rx_pause)
hw_fc_info->current_mode = ICE_FC_RX_PAUSE;
else
hw_fc_info->current_mode = ICE_FC_NONE;
li->lse_ena = !!(resp->cmd_flags & cpu_to_le16(ICE_AQ_LSE_IS_ENABLED));
ice_debug(hw, ICE_DBG_LINK, "get link info\n");
ice_debug(hw, ICE_DBG_LINK, " link_speed = 0x%x\n", li->link_speed);
ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
(unsigned long long)li->phy_type_low);
ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
(unsigned long long)li->phy_type_high);
ice_debug(hw, ICE_DBG_LINK, " media_type = 0x%x\n", *hw_media_type);
ice_debug(hw, ICE_DBG_LINK, " link_info = 0x%x\n", li->link_info);
ice_debug(hw, ICE_DBG_LINK, " link_cfg_err = 0x%x\n", li->link_cfg_err);
ice_debug(hw, ICE_DBG_LINK, " an_info = 0x%x\n", li->an_info);
ice_debug(hw, ICE_DBG_LINK, " ext_info = 0x%x\n", li->ext_info);
ice_debug(hw, ICE_DBG_LINK, " fec_info = 0x%x\n", li->fec_info);
ice_debug(hw, ICE_DBG_LINK, " lse_ena = 0x%x\n", li->lse_ena);
ice_debug(hw, ICE_DBG_LINK, " max_frame = 0x%x\n",
li->max_frame_size);
ice_debug(hw, ICE_DBG_LINK, " pacing = 0x%x\n", li->pacing);
/* save link status information */
if (link)
*link = *li;
/* flag cleared so calling functions don't call AQ again */
pi->phy.get_link_info = false;
return 0;
}
/**
* ice_fill_tx_timer_and_fc_thresh
* @hw: pointer to the HW struct
* @cmd: pointer to MAC cfg structure
*
* Add Tx timer and FC refresh threshold info to Set MAC Config AQ command
* descriptor
*/
static void
ice_fill_tx_timer_and_fc_thresh(struct ice_hw *hw,
struct ice_aqc_set_mac_cfg *cmd)
{
u32 val, fc_thres_m;
/* We read back the transmit timer and FC threshold value of
* LFC. Thus, we will use index =
* PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX.
*
* Also, because we are operating on transmit timer and FC
* threshold of LFC, we don't turn on any bit in tx_tmr_priority
*/
#define E800_IDX_OF_LFC E800_PRTMAC_HSEC_CTL_TX_PS_QNT_MAX
#define E800_REFRESH_TMR E800_PRTMAC_HSEC_CTL_TX_PS_RFSH_TMR
if (hw->mac_type == ICE_MAC_E830) {
/* Retrieve the transmit timer */
val = rd32(hw, E830_PRTMAC_CL01_PS_QNT);
cmd->tx_tmr_value =
le16_encode_bits(val, E830_PRTMAC_CL01_PS_QNT_CL0_M);
/* Retrieve the fc threshold */
val = rd32(hw, E830_PRTMAC_CL01_QNT_THR);
fc_thres_m = E830_PRTMAC_CL01_QNT_THR_CL0_M;
} else {
/* Retrieve the transmit timer */
val = rd32(hw,
E800_PRTMAC_HSEC_CTL_TX_PS_QNT(E800_IDX_OF_LFC));
cmd->tx_tmr_value =
le16_encode_bits(val,
E800_PRTMAC_HSEC_CTL_TX_PS_QNT_M);
/* Retrieve the fc threshold */
val = rd32(hw,
E800_REFRESH_TMR(E800_IDX_OF_LFC));
fc_thres_m = E800_PRTMAC_HSEC_CTL_TX_PS_RFSH_TMR_M;
}
cmd->fc_refresh_threshold = le16_encode_bits(val, fc_thres_m);
}
/**
* ice_aq_set_mac_cfg
* @hw: pointer to the HW struct
* @max_frame_size: Maximum Frame Size to be supported
* @cd: pointer to command details structure or NULL
*
* Set MAC configuration (0x0603)
*/
int
ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
{
struct ice_aqc_set_mac_cfg *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.set_mac_cfg;
if (max_frame_size == 0)
return -EINVAL;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_cfg);
cmd->max_frame_size = cpu_to_le16(max_frame_size);
ice_fill_tx_timer_and_fc_thresh(hw, cmd);
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_init_fltr_mgmt_struct - initializes filter management list and locks
* @hw: pointer to the HW struct
*/
static int ice_init_fltr_mgmt_struct(struct ice_hw *hw)
{
struct ice_switch_info *sw;
int status;
hw->switch_info = devm_kzalloc(ice_hw_to_dev(hw),
sizeof(*hw->switch_info), GFP_KERNEL);
sw = hw->switch_info;
if (!sw)
return -ENOMEM;
INIT_LIST_HEAD(&sw->vsi_list_map_head);
sw->prof_res_bm_init = 0;
status = ice_init_def_sw_recp(hw);
if (status) {
devm_kfree(ice_hw_to_dev(hw), hw->switch_info);
return status;
}
return 0;
}
/**
* ice_cleanup_fltr_mgmt_struct - cleanup filter management list and locks
* @hw: pointer to the HW struct
*/
static void ice_cleanup_fltr_mgmt_struct(struct ice_hw *hw)
{
struct ice_switch_info *sw = hw->switch_info;
struct ice_vsi_list_map_info *v_pos_map;
struct ice_vsi_list_map_info *v_tmp_map;
struct ice_sw_recipe *recps;
u8 i;
list_for_each_entry_safe(v_pos_map, v_tmp_map, &sw->vsi_list_map_head,
list_entry) {
list_del(&v_pos_map->list_entry);
devm_kfree(ice_hw_to_dev(hw), v_pos_map);
}
recps = sw->recp_list;
for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
struct ice_recp_grp_entry *rg_entry, *tmprg_entry;
recps[i].root_rid = i;
list_for_each_entry_safe(rg_entry, tmprg_entry,
&recps[i].rg_list, l_entry) {
list_del(&rg_entry->l_entry);
devm_kfree(ice_hw_to_dev(hw), rg_entry);
}
if (recps[i].adv_rule) {
struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
struct ice_adv_fltr_mgmt_list_entry *lst_itr;
mutex_destroy(&recps[i].filt_rule_lock);
list_for_each_entry_safe(lst_itr, tmp_entry,
&recps[i].filt_rules,
list_entry) {
list_del(&lst_itr->list_entry);
devm_kfree(ice_hw_to_dev(hw), lst_itr->lkups);
devm_kfree(ice_hw_to_dev(hw), lst_itr);
}
} else {
struct ice_fltr_mgmt_list_entry *lst_itr, *tmp_entry;
mutex_destroy(&recps[i].filt_rule_lock);
list_for_each_entry_safe(lst_itr, tmp_entry,
&recps[i].filt_rules,
list_entry) {
list_del(&lst_itr->list_entry);
devm_kfree(ice_hw_to_dev(hw), lst_itr);
}
}
devm_kfree(ice_hw_to_dev(hw), recps[i].root_buf);
}
ice_rm_all_sw_replay_rule_info(hw);
devm_kfree(ice_hw_to_dev(hw), sw->recp_list);
devm_kfree(ice_hw_to_dev(hw), sw);
}
/**
* ice_get_itr_intrl_gran
* @hw: pointer to the HW struct
*
* Determines the ITR/INTRL granularities based on the maximum aggregate
* bandwidth according to the device's configuration during power-on.
*/
static void ice_get_itr_intrl_gran(struct ice_hw *hw)
{
u8 max_agg_bw = FIELD_GET(GL_PWR_MODE_CTL_CAR_MAX_BW_M,
rd32(hw, GL_PWR_MODE_CTL));
switch (max_agg_bw) {
case ICE_MAX_AGG_BW_200G:
case ICE_MAX_AGG_BW_100G:
case ICE_MAX_AGG_BW_50G:
hw->itr_gran = ICE_ITR_GRAN_ABOVE_25;
hw->intrl_gran = ICE_INTRL_GRAN_ABOVE_25;
break;
case ICE_MAX_AGG_BW_25G:
hw->itr_gran = ICE_ITR_GRAN_MAX_25;
hw->intrl_gran = ICE_INTRL_GRAN_MAX_25;
break;
}
}
/**
* ice_init_hw - main hardware initialization routine
* @hw: pointer to the hardware structure
*/
int ice_init_hw(struct ice_hw *hw)
{
struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
void *mac_buf __free(kfree) = NULL;
u16 mac_buf_len;
int status;
/* Set MAC type based on DeviceID */
status = ice_set_mac_type(hw);
if (status)
return status;
hw->pf_id = FIELD_GET(PF_FUNC_RID_FUNC_NUM_M, rd32(hw, PF_FUNC_RID));
status = ice_reset(hw, ICE_RESET_PFR);
if (status)
return status;
ice_get_itr_intrl_gran(hw);
status = ice_create_all_ctrlq(hw);
if (status)
goto err_unroll_cqinit;
status = ice_fwlog_init(hw);
if (status)
ice_debug(hw, ICE_DBG_FW_LOG, "Error initializing FW logging: %d\n",
status);
status = ice_clear_pf_cfg(hw);
if (status)
goto err_unroll_cqinit;
/* Set bit to enable Flow Director filters */
wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M);
INIT_LIST_HEAD(&hw->fdir_list_head);
ice_clear_pxe_mode(hw);
status = ice_init_nvm(hw);
if (status)
goto err_unroll_cqinit;
status = ice_get_caps(hw);
if (status)
goto err_unroll_cqinit;
if (!hw->port_info)
hw->port_info = devm_kzalloc(ice_hw_to_dev(hw),
sizeof(*hw->port_info),
GFP_KERNEL);
if (!hw->port_info) {
status = -ENOMEM;
goto err_unroll_cqinit;
}
/* set the back pointer to HW */
hw->port_info->hw = hw;
/* Initialize port_info struct with switch configuration data */
status = ice_get_initial_sw_cfg(hw);
if (status)
goto err_unroll_alloc;
hw->evb_veb = true;
/* init xarray for identifying scheduling nodes uniquely */
xa_init_flags(&hw->port_info->sched_node_ids, XA_FLAGS_ALLOC);
/* Query the allocated resources for Tx scheduler */
status = ice_sched_query_res_alloc(hw);
if (status) {
ice_debug(hw, ICE_DBG_SCHED, "Failed to get scheduler allocated resources\n");
goto err_unroll_alloc;
}
ice_sched_get_psm_clk_freq(hw);
/* Initialize port_info struct with scheduler data */
status = ice_sched_init_port(hw->port_info);
if (status)
goto err_unroll_sched;
pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
if (!pcaps) {
status = -ENOMEM;
goto err_unroll_sched;
}
/* Initialize port_info struct with PHY capabilities */
status = ice_aq_get_phy_caps(hw->port_info, false,
ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps,
NULL);
if (status)
dev_warn(ice_hw_to_dev(hw), "Get PHY capabilities failed status = %d, continuing anyway\n",
status);
/* Initialize port_info struct with link information */
status = ice_aq_get_link_info(hw->port_info, false, NULL, NULL);
if (status)
goto err_unroll_sched;
/* need a valid SW entry point to build a Tx tree */
if (!hw->sw_entry_point_layer) {
ice_debug(hw, ICE_DBG_SCHED, "invalid sw entry point\n");
status = -EIO;
goto err_unroll_sched;
}
INIT_LIST_HEAD(&hw->agg_list);
/* Initialize max burst size */
if (!hw->max_burst_size)
ice_cfg_rl_burst_size(hw, ICE_SCHED_DFLT_BURST_SIZE);
status = ice_init_fltr_mgmt_struct(hw);
if (status)
goto err_unroll_sched;
/* Get MAC information */
/* A single port can report up to two (LAN and WoL) addresses */
mac_buf = kcalloc(2, sizeof(struct ice_aqc_manage_mac_read_resp),
GFP_KERNEL);
if (!mac_buf) {
status = -ENOMEM;
goto err_unroll_fltr_mgmt_struct;
}
mac_buf_len = 2 * sizeof(struct ice_aqc_manage_mac_read_resp);
status = ice_aq_manage_mac_read(hw, mac_buf, mac_buf_len, NULL);
if (status)
goto err_unroll_fltr_mgmt_struct;
/* enable jumbo frame support at MAC level */
status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
if (status)
goto err_unroll_fltr_mgmt_struct;
/* Obtain counter base index which would be used by flow director */
status = ice_alloc_fd_res_cntr(hw, &hw->fd_ctr_base);
if (status)
goto err_unroll_fltr_mgmt_struct;
status = ice_init_hw_tbls(hw);
if (status)
goto err_unroll_fltr_mgmt_struct;
mutex_init(&hw->tnl_lock);
return 0;
err_unroll_fltr_mgmt_struct:
ice_cleanup_fltr_mgmt_struct(hw);
err_unroll_sched:
ice_sched_cleanup_all(hw);
err_unroll_alloc:
devm_kfree(ice_hw_to_dev(hw), hw->port_info);
err_unroll_cqinit:
ice_destroy_all_ctrlq(hw);
return status;
}
/**
* ice_deinit_hw - unroll initialization operations done by ice_init_hw
* @hw: pointer to the hardware structure
*
* This should be called only during nominal operation, not as a result of
* ice_init_hw() failing since ice_init_hw() will take care of unrolling
* applicable initializations if it fails for any reason.
*/
void ice_deinit_hw(struct ice_hw *hw)
{
ice_free_fd_res_cntr(hw, hw->fd_ctr_base);
ice_cleanup_fltr_mgmt_struct(hw);
ice_sched_cleanup_all(hw);
ice_sched_clear_agg(hw);
ice_free_seg(hw);
ice_free_hw_tbls(hw);
mutex_destroy(&hw->tnl_lock);
ice_fwlog_deinit(hw);
ice_destroy_all_ctrlq(hw);
/* Clear VSI contexts if not already cleared */
ice_clear_all_vsi_ctx(hw);
}
/**
* ice_check_reset - Check to see if a global reset is complete
* @hw: pointer to the hardware structure
*/
int ice_check_reset(struct ice_hw *hw)
{
u32 cnt, reg = 0, grst_timeout, uld_mask;
/* Poll for Device Active state in case a recent CORER, GLOBR,
* or EMPR has occurred. The grst delay value is in 100ms units.
* Add 1sec for outstanding AQ commands that can take a long time.
*/
grst_timeout = FIELD_GET(GLGEN_RSTCTL_GRSTDEL_M,
rd32(hw, GLGEN_RSTCTL)) + 10;
for (cnt = 0; cnt < grst_timeout; cnt++) {
mdelay(100);
reg = rd32(hw, GLGEN_RSTAT);
if (!(reg & GLGEN_RSTAT_DEVSTATE_M))
break;
}
if (cnt == grst_timeout) {
ice_debug(hw, ICE_DBG_INIT, "Global reset polling failed to complete.\n");
return -EIO;
}
#define ICE_RESET_DONE_MASK (GLNVM_ULD_PCIER_DONE_M |\
GLNVM_ULD_PCIER_DONE_1_M |\
GLNVM_ULD_CORER_DONE_M |\
GLNVM_ULD_GLOBR_DONE_M |\
GLNVM_ULD_POR_DONE_M |\
GLNVM_ULD_POR_DONE_1_M |\
GLNVM_ULD_PCIER_DONE_2_M)
uld_mask = ICE_RESET_DONE_MASK | (hw->func_caps.common_cap.rdma ?
GLNVM_ULD_PE_DONE_M : 0);
/* Device is Active; check Global Reset processes are done */
for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) {
reg = rd32(hw, GLNVM_ULD) & uld_mask;
if (reg == uld_mask) {
ice_debug(hw, ICE_DBG_INIT, "Global reset processes done. %d\n", cnt);
break;
}
mdelay(10);
}
if (cnt == ICE_PF_RESET_WAIT_COUNT) {
ice_debug(hw, ICE_DBG_INIT, "Wait for Reset Done timed out. GLNVM_ULD = 0x%x\n",
reg);
return -EIO;
}
return 0;
}
/**
* ice_pf_reset - Reset the PF
* @hw: pointer to the hardware structure
*
* If a global reset has been triggered, this function checks
* for its completion and then issues the PF reset
*/
static int ice_pf_reset(struct ice_hw *hw)
{
u32 cnt, reg;
/* If at function entry a global reset was already in progress, i.e.
* state is not 'device active' or any of the reset done bits are not
* set in GLNVM_ULD, there is no need for a PF Reset; poll until the
* global reset is done.
*/
if ((rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_DEVSTATE_M) ||
(rd32(hw, GLNVM_ULD) & ICE_RESET_DONE_MASK) ^ ICE_RESET_DONE_MASK) {
/* poll on global reset currently in progress until done */
if (ice_check_reset(hw))
return -EIO;
return 0;
}
/* Reset the PF */
reg = rd32(hw, PFGEN_CTRL);
wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M));
/* Wait for the PFR to complete. The wait time is the global config lock
* timeout plus the PFR timeout which will account for a possible reset
* that is occurring during a download package operation.
*/
for (cnt = 0; cnt < ICE_GLOBAL_CFG_LOCK_TIMEOUT +
ICE_PF_RESET_WAIT_COUNT; cnt++) {
reg = rd32(hw, PFGEN_CTRL);
if (!(reg & PFGEN_CTRL_PFSWR_M))
break;
mdelay(1);
}
if (cnt == ICE_PF_RESET_WAIT_COUNT) {
ice_debug(hw, ICE_DBG_INIT, "PF reset polling failed to complete.\n");
return -EIO;
}
return 0;
}
/**
* ice_reset - Perform different types of reset
* @hw: pointer to the hardware structure
* @req: reset request
*
* This function triggers a reset as specified by the req parameter.
*
* Note:
* If anything other than a PF reset is triggered, PXE mode is restored.
* This has to be cleared using ice_clear_pxe_mode again, once the AQ
* interface has been restored in the rebuild flow.
*/
int ice_reset(struct ice_hw *hw, enum ice_reset_req req)
{
u32 val = 0;
switch (req) {
case ICE_RESET_PFR:
return ice_pf_reset(hw);
case ICE_RESET_CORER:
ice_debug(hw, ICE_DBG_INIT, "CoreR requested\n");
val = GLGEN_RTRIG_CORER_M;
break;
case ICE_RESET_GLOBR:
ice_debug(hw, ICE_DBG_INIT, "GlobalR requested\n");
val = GLGEN_RTRIG_GLOBR_M;
break;
default:
return -EINVAL;
}
val |= rd32(hw, GLGEN_RTRIG);
wr32(hw, GLGEN_RTRIG, val);
ice_flush(hw);
/* wait for the FW to be ready */
return ice_check_reset(hw);
}
/**
* ice_copy_rxq_ctx_to_hw
* @hw: pointer to the hardware structure
* @ice_rxq_ctx: pointer to the rxq context
* @rxq_index: the index of the Rx queue
*
* Copies rxq context from dense structure to HW register space
*/
static int
ice_copy_rxq_ctx_to_hw(struct ice_hw *hw, u8 *ice_rxq_ctx, u32 rxq_index)
{
u8 i;
if (!ice_rxq_ctx)
return -EINVAL;
if (rxq_index > QRX_CTRL_MAX_INDEX)
return -EINVAL;
/* Copy each dword separately to HW */
for (i = 0; i < ICE_RXQ_CTX_SIZE_DWORDS; i++) {
wr32(hw, QRX_CONTEXT(i, rxq_index),
*((u32 *)(ice_rxq_ctx + (i * sizeof(u32)))));
ice_debug(hw, ICE_DBG_QCTX, "qrxdata[%d]: %08X\n", i,
*((u32 *)(ice_rxq_ctx + (i * sizeof(u32)))));
}
return 0;
}
/* LAN Rx Queue Context */
static const struct ice_ctx_ele ice_rlan_ctx_info[] = {
/* Field Width LSB */
ICE_CTX_STORE(ice_rlan_ctx, head, 13, 0),
ICE_CTX_STORE(ice_rlan_ctx, cpuid, 8, 13),
ICE_CTX_STORE(ice_rlan_ctx, base, 57, 32),
ICE_CTX_STORE(ice_rlan_ctx, qlen, 13, 89),
ICE_CTX_STORE(ice_rlan_ctx, dbuf, 7, 102),
ICE_CTX_STORE(ice_rlan_ctx, hbuf, 5, 109),
ICE_CTX_STORE(ice_rlan_ctx, dtype, 2, 114),
ICE_CTX_STORE(ice_rlan_ctx, dsize, 1, 116),
ICE_CTX_STORE(ice_rlan_ctx, crcstrip, 1, 117),
ICE_CTX_STORE(ice_rlan_ctx, l2tsel, 1, 119),
ICE_CTX_STORE(ice_rlan_ctx, hsplit_0, 4, 120),
ICE_CTX_STORE(ice_rlan_ctx, hsplit_1, 2, 124),
ICE_CTX_STORE(ice_rlan_ctx, showiv, 1, 127),
ICE_CTX_STORE(ice_rlan_ctx, rxmax, 14, 174),
ICE_CTX_STORE(ice_rlan_ctx, tphrdesc_ena, 1, 193),
ICE_CTX_STORE(ice_rlan_ctx, tphwdesc_ena, 1, 194),
ICE_CTX_STORE(ice_rlan_ctx, tphdata_ena, 1, 195),
ICE_CTX_STORE(ice_rlan_ctx, tphhead_ena, 1, 196),
ICE_CTX_STORE(ice_rlan_ctx, lrxqthresh, 3, 198),
ICE_CTX_STORE(ice_rlan_ctx, prefena, 1, 201),
{ 0 }
};
/**
* ice_write_rxq_ctx
* @hw: pointer to the hardware structure
* @rlan_ctx: pointer to the rxq context
* @rxq_index: the index of the Rx queue
*
* Converts rxq context from sparse to dense structure and then writes
* it to HW register space and enables the hardware to prefetch descriptors
* instead of only fetching them on demand
*/
int ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
u32 rxq_index)
{
u8 ctx_buf[ICE_RXQ_CTX_SZ] = { 0 };
if (!rlan_ctx)
return -EINVAL;
rlan_ctx->prefena = 1;
ice_set_ctx(hw, (u8 *)rlan_ctx, ctx_buf, ice_rlan_ctx_info);
return ice_copy_rxq_ctx_to_hw(hw, ctx_buf, rxq_index);
}
/* LAN Tx Queue Context */
const struct ice_ctx_ele ice_tlan_ctx_info[] = {
/* Field Width LSB */
ICE_CTX_STORE(ice_tlan_ctx, base, 57, 0),
ICE_CTX_STORE(ice_tlan_ctx, port_num, 3, 57),
ICE_CTX_STORE(ice_tlan_ctx, cgd_num, 5, 60),
ICE_CTX_STORE(ice_tlan_ctx, pf_num, 3, 65),
ICE_CTX_STORE(ice_tlan_ctx, vmvf_num, 10, 68),
ICE_CTX_STORE(ice_tlan_ctx, vmvf_type, 2, 78),
ICE_CTX_STORE(ice_tlan_ctx, src_vsi, 10, 80),
ICE_CTX_STORE(ice_tlan_ctx, tsyn_ena, 1, 90),
ICE_CTX_STORE(ice_tlan_ctx, internal_usage_flag, 1, 91),
ICE_CTX_STORE(ice_tlan_ctx, alt_vlan, 1, 92),
ICE_CTX_STORE(ice_tlan_ctx, cpuid, 8, 93),
ICE_CTX_STORE(ice_tlan_ctx, wb_mode, 1, 101),
ICE_CTX_STORE(ice_tlan_ctx, tphrd_desc, 1, 102),
ICE_CTX_STORE(ice_tlan_ctx, tphrd, 1, 103),
ICE_CTX_STORE(ice_tlan_ctx, tphwr_desc, 1, 104),
ICE_CTX_STORE(ice_tlan_ctx, cmpq_id, 9, 105),
ICE_CTX_STORE(ice_tlan_ctx, qnum_in_func, 14, 114),
ICE_CTX_STORE(ice_tlan_ctx, itr_notification_mode, 1, 128),
ICE_CTX_STORE(ice_tlan_ctx, adjust_prof_id, 6, 129),
ICE_CTX_STORE(ice_tlan_ctx, qlen, 13, 135),
ICE_CTX_STORE(ice_tlan_ctx, quanta_prof_idx, 4, 148),
ICE_CTX_STORE(ice_tlan_ctx, tso_ena, 1, 152),
ICE_CTX_STORE(ice_tlan_ctx, tso_qnum, 11, 153),
ICE_CTX_STORE(ice_tlan_ctx, legacy_int, 1, 164),
ICE_CTX_STORE(ice_tlan_ctx, drop_ena, 1, 165),
ICE_CTX_STORE(ice_tlan_ctx, cache_prof_idx, 2, 166),
ICE_CTX_STORE(ice_tlan_ctx, pkt_shaper_prof_idx, 3, 168),
ICE_CTX_STORE(ice_tlan_ctx, int_q_state, 122, 171),
{ 0 }
};
/* Sideband Queue command wrappers */
/**
* ice_sbq_send_cmd - send Sideband Queue command to Sideband 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
*/
static int
ice_sbq_send_cmd(struct ice_hw *hw, struct ice_sbq_cmd_desc *desc,
void *buf, u16 buf_size, struct ice_sq_cd *cd)
{
return ice_sq_send_cmd(hw, ice_get_sbq(hw),
(struct ice_aq_desc *)desc, buf, buf_size, cd);
}
/**
* ice_sbq_rw_reg - Fill Sideband Queue command
* @hw: pointer to the HW struct
* @in: message info to be filled in descriptor
*/
int ice_sbq_rw_reg(struct ice_hw *hw, struct ice_sbq_msg_input *in)
{
struct ice_sbq_cmd_desc desc = {0};
struct ice_sbq_msg_req msg = {0};
u16 msg_len;
int status;
msg_len = sizeof(msg);
msg.dest_dev = in->dest_dev;
msg.opcode = in->opcode;
msg.flags = ICE_SBQ_MSG_FLAGS;
msg.sbe_fbe = ICE_SBQ_MSG_SBE_FBE;
msg.msg_addr_low = cpu_to_le16(in->msg_addr_low);
msg.msg_addr_high = cpu_to_le32(in->msg_addr_high);
if (in->opcode)
msg.data = cpu_to_le32(in->data);
else
/* data read comes back in completion, so shorten the struct by
* sizeof(msg.data)
*/
msg_len -= sizeof(msg.data);
desc.flags = cpu_to_le16(ICE_AQ_FLAG_RD);
desc.opcode = cpu_to_le16(ice_sbq_opc_neigh_dev_req);
desc.param0.cmd_len = cpu_to_le16(msg_len);
status = ice_sbq_send_cmd(hw, &desc, &msg, msg_len, NULL);
if (!status && !in->opcode)
in->data = le32_to_cpu
(((struct ice_sbq_msg_cmpl *)&msg)->data);
return status;
}
/* FW Admin Queue command wrappers */
/* Software lock/mutex that is meant to be held while the Global Config Lock
* in firmware is acquired by the software to prevent most (but not all) types
* of AQ commands from being sent to FW
*/
DEFINE_MUTEX(ice_global_cfg_lock_sw);
/**
* ice_should_retry_sq_send_cmd
* @opcode: AQ opcode
*
* Decide if we should retry the send command routine for the ATQ, depending
* on the opcode.
*/
static bool ice_should_retry_sq_send_cmd(u16 opcode)
{
switch (opcode) {
case ice_aqc_opc_get_link_topo:
case ice_aqc_opc_lldp_stop:
case ice_aqc_opc_lldp_start:
case ice_aqc_opc_lldp_filter_ctrl:
return true;
}
return false;
}
/**
* ice_sq_send_cmd_retry - send command to Control Queue (ATQ)
* @hw: pointer to the HW struct
* @cq: pointer to the specific Control queue
* @desc: prefilled descriptor describing the command
* @buf: buffer to use for indirect commands (or NULL for direct commands)
* @buf_size: size of buffer for indirect commands (or 0 for direct commands)
* @cd: pointer to command details structure
*
* Retry sending the FW Admin Queue command, multiple times, to the FW Admin
* Queue if the EBUSY AQ error is returned.
*/
static int
ice_sq_send_cmd_retry(struct ice_hw *hw, struct ice_ctl_q_info *cq,
struct ice_aq_desc *desc, void *buf, u16 buf_size,
struct ice_sq_cd *cd)
{
struct ice_aq_desc desc_cpy;
bool is_cmd_for_retry;
u8 idx = 0;
u16 opcode;
int status;
opcode = le16_to_cpu(desc->opcode);
is_cmd_for_retry = ice_should_retry_sq_send_cmd(opcode);
memset(&desc_cpy, 0, sizeof(desc_cpy));
if (is_cmd_for_retry) {
/* All retryable cmds are direct, without buf. */
WARN_ON(buf);
memcpy(&desc_cpy, desc, sizeof(desc_cpy));
}
do {
status = ice_sq_send_cmd(hw, cq, desc, buf, buf_size, cd);
if (!is_cmd_for_retry || !status ||
hw->adminq.sq_last_status != ICE_AQ_RC_EBUSY)
break;
memcpy(desc, &desc_cpy, sizeof(desc_cpy));
msleep(ICE_SQ_SEND_DELAY_TIME_MS);
} while (++idx < ICE_SQ_SEND_MAX_EXECUTE);
return status;
}
/**
* 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.
*/
int
ice_aq_send_cmd(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf,
u16 buf_size, struct ice_sq_cd *cd)
{
struct ice_aqc_req_res *cmd = &desc->params.res_owner;
bool lock_acquired = false;
int status;
/* When a package download is in process (i.e. when the firmware's
* Global Configuration Lock resource is held), only the Download
* Package, Get Version, Get Package Info List, Upload Section,
* Update Package, Set Port Parameters, Get/Set VLAN Mode Parameters,
* Add Recipe, Set Recipes to Profile Association, Get Recipe, and Get
* Recipes to Profile Association, and Release Resource (with resource
* ID set to Global Config Lock) AdminQ commands are allowed; all others
* must block until the package download completes and the Global Config
* Lock is released. See also ice_acquire_global_cfg_lock().
*/
switch (le16_to_cpu(desc->opcode)) {
case ice_aqc_opc_download_pkg:
case ice_aqc_opc_get_pkg_info_list:
case ice_aqc_opc_get_ver:
case ice_aqc_opc_upload_section:
case ice_aqc_opc_update_pkg:
case ice_aqc_opc_set_port_params:
case ice_aqc_opc_get_vlan_mode_parameters:
case ice_aqc_opc_set_vlan_mode_parameters:
case ice_aqc_opc_add_recipe:
case ice_aqc_opc_recipe_to_profile:
case ice_aqc_opc_get_recipe:
case ice_aqc_opc_get_recipe_to_profile:
break;
case ice_aqc_opc_release_res:
if (le16_to_cpu(cmd->res_id) == ICE_AQC_RES_ID_GLBL_LOCK)
break;
fallthrough;
default:
mutex_lock(&ice_global_cfg_lock_sw);
lock_acquired = true;
break;
}
status = ice_sq_send_cmd_retry(hw, &hw->adminq, desc, buf, buf_size, cd);
if (lock_acquired)
mutex_unlock(&ice_global_cfg_lock_sw);
return status;
}
/**
* 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
*/
int 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;
int 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_send_driver_ver
* @hw: pointer to the HW struct
* @dv: driver's major, minor version
* @cd: pointer to command details structure or NULL
*
* Send the driver version (0x0002) to the firmware
*/
int
ice_aq_send_driver_ver(struct ice_hw *hw, struct ice_driver_ver *dv,
struct ice_sq_cd *cd)
{
struct ice_aqc_driver_ver *cmd;
struct ice_aq_desc desc;
u16 len;
cmd = &desc.params.driver_ver;
if (!dv)
return -EINVAL;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_driver_ver);
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
cmd->major_ver = dv->major_ver;
cmd->minor_ver = dv->minor_ver;
cmd->build_ver = dv->build_ver;
cmd->subbuild_ver = dv->subbuild_ver;
len = 0;
while (len < sizeof(dv->driver_string) &&
isascii(dv->driver_string[len]) && dv->driver_string[len])
len++;
return ice_aq_send_cmd(hw, &desc, dv->driver_string, len, cd);
}
/**
* 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).
*/
int 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 = ICE_AQC_DRIVER_UNLOADING;
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_aq_req_res
* @hw: pointer to the HW struct
* @res: resource ID
* @access: access type
* @sdp_number: resource number
* @timeout: the maximum time in ms that the driver may hold the resource
* @cd: pointer to command details structure or NULL
*
* Requests common resource using the admin queue commands (0x0008).
* When attempting to acquire the Global Config Lock, the driver can
* learn of three states:
* 1) 0 - acquired lock, and can perform download package
* 2) -EIO - did not get lock, driver should fail to load
* 3) -EALREADY - did not get lock, but another driver has
* successfully downloaded the package; the driver does
* not have to download the package and can continue
* loading
*
* Note that if the caller is in an acquire lock, perform action, release lock
* phase of operation, it is possible that the FW may detect a timeout and issue
* a CORER. In this case, the driver will receive a CORER interrupt and will
* have to determine its cause. The calling thread that is handling this flow
* will likely get an error propagated back to it indicating the Download
* Package, Update Package or the Release Resource AQ commands timed out.
*/
static int
ice_aq_req_res(struct ice_hw *hw, enum ice_aq_res_ids res,
enum ice_aq_res_access_type access, u8 sdp_number, u32 *timeout,
struct ice_sq_cd *cd)
{
struct ice_aqc_req_res *cmd_resp;
struct ice_aq_desc desc;
int status;
cmd_resp = &desc.params.res_owner;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_req_res);
cmd_resp->res_id = cpu_to_le16(res);
cmd_resp->access_type = cpu_to_le16(access);
cmd_resp->res_number = cpu_to_le32(sdp_number);
cmd_resp->timeout = cpu_to_le32(*timeout);
*timeout = 0;
status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
/* The completion specifies the maximum time in ms that the driver
* may hold the resource in the Timeout field.
*/
/* Global config lock response utilizes an additional status field.
*
* If the Global config lock resource is held by some other driver, the
* command completes with ICE_AQ_RES_GLBL_IN_PROG in the status field
* and the timeout field indicates the maximum time the current owner
* of the resource has to free it.
*/
if (res == ICE_GLOBAL_CFG_LOCK_RES_ID) {
if (le16_to_cpu(cmd_resp->status) == ICE_AQ_RES_GLBL_SUCCESS) {
*timeout = le32_to_cpu(cmd_resp->timeout);
return 0;
} else if (le16_to_cpu(cmd_resp->status) ==
ICE_AQ_RES_GLBL_IN_PROG) {
*timeout = le32_to_cpu(cmd_resp->timeout);
return -EIO;
} else if (le16_to_cpu(cmd_resp->status) ==
ICE_AQ_RES_GLBL_DONE) {
return -EALREADY;
}
/* invalid FW response, force a timeout immediately */
*timeout = 0;
return -EIO;
}
/* If the resource is held by some other driver, the command completes
* with a busy return value and the timeout field indicates the maximum
* time the current owner of the resource has to free it.
*/
if (!status || hw->adminq.sq_last_status == ICE_AQ_RC_EBUSY)
*timeout = le32_to_cpu(cmd_resp->timeout);
return status;
}
/**
* ice_aq_release_res
* @hw: pointer to the HW struct
* @res: resource ID
* @sdp_number: resource number
* @cd: pointer to command details structure or NULL
*
* release common resource using the admin queue commands (0x0009)
*/
static int
ice_aq_release_res(struct ice_hw *hw, enum ice_aq_res_ids res, u8 sdp_number,
struct ice_sq_cd *cd)
{
struct ice_aqc_req_res *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.res_owner;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_release_res);
cmd->res_id = cpu_to_le16(res);
cmd->res_number = cpu_to_le32(sdp_number);
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_acquire_res
* @hw: pointer to the HW structure
* @res: resource ID
* @access: access type (read or write)
* @timeout: timeout in milliseconds
*
* This function will attempt to acquire the ownership of a resource.
*/
int
ice_acquire_res(struct ice_hw *hw, enum ice_aq_res_ids res,
enum ice_aq_res_access_type access, u32 timeout)
{
#define ICE_RES_POLLING_DELAY_MS 10
u32 delay = ICE_RES_POLLING_DELAY_MS;
u32 time_left = timeout;
int status;
status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
/* A return code of -EALREADY means that another driver has
* previously acquired the resource and performed any necessary updates;
* in this case the caller does not obtain the resource and has no
* further work to do.
*/
if (status == -EALREADY)
goto ice_acquire_res_exit;
if (status)
ice_debug(hw, ICE_DBG_RES, "resource %d acquire type %d failed.\n", res, access);
/* If necessary, poll until the current lock owner timeouts */
timeout = time_left;
while (status && timeout && time_left) {
mdelay(delay);
timeout = (timeout > delay) ? timeout - delay : 0;
status = ice_aq_req_res(hw, res, access, 0, &time_left, NULL);
if (status == -EALREADY)
/* lock free, but no work to do */
break;
if (!status)
/* lock acquired */
break;
}
if (status && status != -EALREADY)
ice_debug(hw, ICE_DBG_RES, "resource acquire timed out.\n");
ice_acquire_res_exit:
if (status == -EALREADY) {
if (access == ICE_RES_WRITE)
ice_debug(hw, ICE_DBG_RES, "resource indicates no work to do.\n");
else
ice_debug(hw, ICE_DBG_RES, "Warning: -EALREADY not expected\n");
}
return status;
}
/**
* ice_release_res
* @hw: pointer to the HW structure
* @res: resource ID
*
* This function will release a resource using the proper Admin Command.
*/
void ice_release_res(struct ice_hw *hw, enum ice_aq_res_ids res)
{
unsigned long timeout;
int status;
/* there are some rare cases when trying to release the resource
* results in an admin queue timeout, so handle them correctly
*/
timeout = jiffies + 10 * ICE_CTL_Q_SQ_CMD_TIMEOUT;
do {
status = ice_aq_release_res(hw, res, 0, NULL);
if (status != -EIO)
break;
usleep_range(1000, 2000);
} while (time_before(jiffies, timeout));
}
/**
* ice_aq_alloc_free_res - command to allocate/free resources
* @hw: pointer to the HW struct
* @buf: Indirect buffer to hold data parameters and response
* @buf_size: size of buffer for indirect commands
* @opc: pass in the command opcode
*
* Helper function to allocate/free resources using the admin queue commands
*/
int ice_aq_alloc_free_res(struct ice_hw *hw,
struct ice_aqc_alloc_free_res_elem *buf, u16 buf_size,
enum ice_adminq_opc opc)
{
struct ice_aqc_alloc_free_res_cmd *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.sw_res_ctrl;
if (!buf || buf_size < flex_array_size(buf, elem, 1))
return -EINVAL;
ice_fill_dflt_direct_cmd_desc(&desc, opc);
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
cmd->num_entries = cpu_to_le16(1);
return ice_aq_send_cmd(hw, &desc, buf, buf_size, NULL);
}
/**
* ice_alloc_hw_res - allocate resource
* @hw: pointer to the HW struct
* @type: type of resource
* @num: number of resources to allocate
* @btm: allocate from bottom
* @res: pointer to array that will receive the resources
*/
int
ice_alloc_hw_res(struct ice_hw *hw, u16 type, u16 num, bool btm, u16 *res)
{
struct ice_aqc_alloc_free_res_elem *buf;
u16 buf_len;
int status;
buf_len = struct_size(buf, elem, num);
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
/* Prepare buffer to allocate resource. */
buf->num_elems = cpu_to_le16(num);
buf->res_type = cpu_to_le16(type | ICE_AQC_RES_TYPE_FLAG_DEDICATED |
ICE_AQC_RES_TYPE_FLAG_IGNORE_INDEX);
if (btm)
buf->res_type |= cpu_to_le16(ICE_AQC_RES_TYPE_FLAG_SCAN_BOTTOM);
status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res);
if (status)
goto ice_alloc_res_exit;
memcpy(res, buf->elem, sizeof(*buf->elem) * num);
ice_alloc_res_exit:
kfree(buf);
return status;
}
/**
* ice_free_hw_res - free allocated HW resource
* @hw: pointer to the HW struct
* @type: type of resource to free
* @num: number of resources
* @res: pointer to array that contains the resources to free
*/
int ice_free_hw_res(struct ice_hw *hw, u16 type, u16 num, u16 *res)
{
struct ice_aqc_alloc_free_res_elem *buf;
u16 buf_len;
int status;
buf_len = struct_size(buf, elem, num);
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
/* Prepare buffer to free resource. */
buf->num_elems = cpu_to_le16(num);
buf->res_type = cpu_to_le16(type);
memcpy(buf->elem, res, sizeof(*buf->elem) * num);
status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_free_res);
if (status)
ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
kfree(buf);
return status;
}
/**
* ice_get_num_per_func - determine number of resources per PF
* @hw: pointer to the HW structure
* @max: value to be evenly split between each PF
*
* Determine the number of valid functions by going through the bitmap returned
* from parsing capabilities and use this to calculate the number of resources
* per PF based on the max value passed in.
*/
static u32 ice_get_num_per_func(struct ice_hw *hw, u32 max)
{
u8 funcs;
#define ICE_CAPS_VALID_FUNCS_M 0xFF
funcs = hweight8(hw->dev_caps.common_cap.valid_functions &
ICE_CAPS_VALID_FUNCS_M);
if (!funcs)
return 0;
return max / funcs;
}
/**
* ice_parse_common_caps - parse common device/function capabilities
* @hw: pointer to the HW struct
* @caps: pointer to common capabilities structure
* @elem: the capability element to parse
* @prefix: message prefix for tracing capabilities
*
* Given a capability element, extract relevant details into the common
* capability structure.
*
* Returns: true if the capability matches one of the common capability ids,
* false otherwise.
*/
static bool
ice_parse_common_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps,
struct ice_aqc_list_caps_elem *elem, const char *prefix)
{
u32 logical_id = le32_to_cpu(elem->logical_id);
u32 phys_id = le32_to_cpu(elem->phys_id);
u32 number = le32_to_cpu(elem->number);
u16 cap = le16_to_cpu(elem->cap);
bool found = true;
switch (cap) {
case ICE_AQC_CAPS_VALID_FUNCTIONS:
caps->valid_functions = number;
ice_debug(hw, ICE_DBG_INIT, "%s: valid_functions (bitmap) = %d\n", prefix,
caps->valid_functions);
break;
case ICE_AQC_CAPS_SRIOV:
caps->sr_iov_1_1 = (number == 1);
ice_debug(hw, ICE_DBG_INIT, "%s: sr_iov_1_1 = %d\n", prefix,
caps->sr_iov_1_1);
break;
case ICE_AQC_CAPS_DCB:
caps->dcb = (number == 1);
caps->active_tc_bitmap = logical_id;
caps->maxtc = phys_id;
ice_debug(hw, ICE_DBG_INIT, "%s: dcb = %d\n", prefix, caps->dcb);
ice_debug(hw, ICE_DBG_INIT, "%s: active_tc_bitmap = %d\n", prefix,
caps->active_tc_bitmap);
ice_debug(hw, ICE_DBG_INIT, "%s: maxtc = %d\n", prefix, caps->maxtc);
break;
case ICE_AQC_CAPS_RSS:
caps->rss_table_size = number;
caps->rss_table_entry_width = logical_id;
ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_size = %d\n", prefix,
caps->rss_table_size);
ice_debug(hw, ICE_DBG_INIT, "%s: rss_table_entry_width = %d\n", prefix,
caps->rss_table_entry_width);
break;
case ICE_AQC_CAPS_RXQS:
caps->num_rxq = number;
caps->rxq_first_id = phys_id;
ice_debug(hw, ICE_DBG_INIT, "%s: num_rxq = %d\n", prefix,
caps->num_rxq);
ice_debug(hw, ICE_DBG_INIT, "%s: rxq_first_id = %d\n", prefix,
caps->rxq_first_id);
break;
case ICE_AQC_CAPS_TXQS:
caps->num_txq = number;
caps->txq_first_id = phys_id;
ice_debug(hw, ICE_DBG_INIT, "%s: num_txq = %d\n", prefix,
caps->num_txq);
ice_debug(hw, ICE_DBG_INIT, "%s: txq_first_id = %d\n", prefix,
caps->txq_first_id);
break;
case ICE_AQC_CAPS_MSIX:
caps->num_msix_vectors = number;
caps->msix_vector_first_id = phys_id;
ice_debug(hw, ICE_DBG_INIT, "%s: num_msix_vectors = %d\n", prefix,
caps->num_msix_vectors);
ice_debug(hw, ICE_DBG_INIT, "%s: msix_vector_first_id = %d\n", prefix,
caps->msix_vector_first_id);
break;
case ICE_AQC_CAPS_PENDING_NVM_VER:
caps->nvm_update_pending_nvm = true;
ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_nvm\n", prefix);
break;
case ICE_AQC_CAPS_PENDING_OROM_VER:
caps->nvm_update_pending_orom = true;
ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_orom\n", prefix);
break;
case ICE_AQC_CAPS_PENDING_NET_VER:
caps->nvm_update_pending_netlist = true;
ice_debug(hw, ICE_DBG_INIT, "%s: update_pending_netlist\n", prefix);
break;
case ICE_AQC_CAPS_NVM_MGMT:
caps->nvm_unified_update =
(number & ICE_NVM_MGMT_UNIFIED_UPD_SUPPORT) ?
true : false;
ice_debug(hw, ICE_DBG_INIT, "%s: nvm_unified_update = %d\n", prefix,
caps->nvm_unified_update);
break;
case ICE_AQC_CAPS_RDMA:
caps->rdma = (number == 1);
ice_debug(hw, ICE_DBG_INIT, "%s: rdma = %d\n", prefix, caps->rdma);
break;
case ICE_AQC_CAPS_MAX_MTU:
caps->max_mtu = number;
ice_debug(hw, ICE_DBG_INIT, "%s: max_mtu = %d\n",
prefix, caps->max_mtu);
break;
case ICE_AQC_CAPS_PCIE_RESET_AVOIDANCE:
caps->pcie_reset_avoidance = (number > 0);
ice_debug(hw, ICE_DBG_INIT,
"%s: pcie_reset_avoidance = %d\n", prefix,
caps->pcie_reset_avoidance);
break;
case ICE_AQC_CAPS_POST_UPDATE_RESET_RESTRICT:
caps->reset_restrict_support = (number == 1);
ice_debug(hw, ICE_DBG_INIT,
"%s: reset_restrict_support = %d\n", prefix,
caps->reset_restrict_support);
break;
case ICE_AQC_CAPS_FW_LAG_SUPPORT:
caps->roce_lag = !!(number & ICE_AQC_BIT_ROCEV2_LAG);
ice_debug(hw, ICE_DBG_INIT, "%s: roce_lag = %u\n",
prefix, caps->roce_lag);
caps->sriov_lag = !!(number & ICE_AQC_BIT_SRIOV_LAG);
ice_debug(hw, ICE_DBG_INIT, "%s: sriov_lag = %u\n",
prefix, caps->sriov_lag);
break;
default:
/* Not one of the recognized common capabilities */
found = false;
}
return found;
}
/**
* ice_recalc_port_limited_caps - Recalculate port limited capabilities
* @hw: pointer to the HW structure
* @caps: pointer to capabilities structure to fix
*
* Re-calculate the capabilities that are dependent on the number of physical
* ports; i.e. some features are not supported or function differently on
* devices with more than 4 ports.
*/
static void
ice_recalc_port_limited_caps(struct ice_hw *hw, struct ice_hw_common_caps *caps)
{
/* This assumes device capabilities are always scanned before function
* capabilities during the initialization flow.
*/
if (hw->dev_caps.num_funcs > 4) {
/* Max 4 TCs per port */
caps->maxtc = 4;
ice_debug(hw, ICE_DBG_INIT, "reducing maxtc to %d (based on #ports)\n",
caps->maxtc);
if (caps->rdma) {
ice_debug(hw, ICE_DBG_INIT, "forcing RDMA off\n");
caps->rdma = 0;
}
/* print message only when processing device capabilities
* during initialization.
*/
if (caps == &hw->dev_caps.common_cap)
dev_info(ice_hw_to_dev(hw), "RDMA functionality is not available with the current device configuration.\n");
}
}
/**
* ice_parse_vf_func_caps - Parse ICE_AQC_CAPS_VF function caps
* @hw: pointer to the HW struct
* @func_p: pointer to function capabilities structure
* @cap: pointer to the capability element to parse
*
* Extract function capabilities for ICE_AQC_CAPS_VF.
*/
static void
ice_parse_vf_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
struct ice_aqc_list_caps_elem *cap)
{
u32 logical_id = le32_to_cpu(cap->logical_id);
u32 number = le32_to_cpu(cap->number);
func_p->num_allocd_vfs = number;
func_p->vf_base_id = logical_id;
ice_debug(hw, ICE_DBG_INIT, "func caps: num_allocd_vfs = %d\n",
func_p->num_allocd_vfs);
ice_debug(hw, ICE_DBG_INIT, "func caps: vf_base_id = %d\n",
func_p->vf_base_id);
}
/**
* ice_parse_vsi_func_caps - Parse ICE_AQC_CAPS_VSI function caps
* @hw: pointer to the HW struct
* @func_p: pointer to function capabilities structure
* @cap: pointer to the capability element to parse
*
* Extract function capabilities for ICE_AQC_CAPS_VSI.
*/
static void
ice_parse_vsi_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
struct ice_aqc_list_caps_elem *cap)
{
func_p->guar_num_vsi = ice_get_num_per_func(hw, ICE_MAX_VSI);
ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi (fw) = %d\n",
le32_to_cpu(cap->number));
ice_debug(hw, ICE_DBG_INIT, "func caps: guar_num_vsi = %d\n",
func_p->guar_num_vsi);
}
/**
* ice_parse_1588_func_caps - Parse ICE_AQC_CAPS_1588 function caps
* @hw: pointer to the HW struct
* @func_p: pointer to function capabilities structure
* @cap: pointer to the capability element to parse
*
* Extract function capabilities for ICE_AQC_CAPS_1588.
*/
static void
ice_parse_1588_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
struct ice_aqc_list_caps_elem *cap)
{
struct ice_ts_func_info *info = &func_p->ts_func_info;
u32 number = le32_to_cpu(cap->number);
info->ena = ((number & ICE_TS_FUNC_ENA_M) != 0);
func_p->common_cap.ieee_1588 = info->ena;
info->src_tmr_owned = ((number & ICE_TS_SRC_TMR_OWND_M) != 0);
info->tmr_ena = ((number & ICE_TS_TMR_ENA_M) != 0);
info->tmr_index_owned = ((number & ICE_TS_TMR_IDX_OWND_M) != 0);
info->tmr_index_assoc = ((number & ICE_TS_TMR_IDX_ASSOC_M) != 0);
info->clk_freq = FIELD_GET(ICE_TS_CLK_FREQ_M, number);
info->clk_src = ((number & ICE_TS_CLK_SRC_M) != 0);
if (info->clk_freq < NUM_ICE_TIME_REF_FREQ) {
info->time_ref = (enum ice_time_ref_freq)info->clk_freq;
} else {
/* Unknown clock frequency, so assume a (probably incorrect)
* default to avoid out-of-bounds look ups of frequency
* related information.
*/
ice_debug(hw, ICE_DBG_INIT, "1588 func caps: unknown clock frequency %u\n",
info->clk_freq);
info->time_ref = ICE_TIME_REF_FREQ_25_000;
}
ice_debug(hw, ICE_DBG_INIT, "func caps: ieee_1588 = %u\n",
func_p->common_cap.ieee_1588);
ice_debug(hw, ICE_DBG_INIT, "func caps: src_tmr_owned = %u\n",
info->src_tmr_owned);
ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_ena = %u\n",
info->tmr_ena);
ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_owned = %u\n",
info->tmr_index_owned);
ice_debug(hw, ICE_DBG_INIT, "func caps: tmr_index_assoc = %u\n",
info->tmr_index_assoc);
ice_debug(hw, ICE_DBG_INIT, "func caps: clk_freq = %u\n",
info->clk_freq);
ice_debug(hw, ICE_DBG_INIT, "func caps: clk_src = %u\n",
info->clk_src);
}
/**
* ice_parse_fdir_func_caps - Parse ICE_AQC_CAPS_FD function caps
* @hw: pointer to the HW struct
* @func_p: pointer to function capabilities structure
*
* Extract function capabilities for ICE_AQC_CAPS_FD.
*/
static void
ice_parse_fdir_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p)
{
u32 reg_val, gsize, bsize;
reg_val = rd32(hw, GLQF_FD_SIZE);
switch (hw->mac_type) {
case ICE_MAC_E830:
gsize = FIELD_GET(E830_GLQF_FD_SIZE_FD_GSIZE_M, reg_val);
bsize = FIELD_GET(E830_GLQF_FD_SIZE_FD_BSIZE_M, reg_val);
break;
case ICE_MAC_E810:
default:
gsize = FIELD_GET(E800_GLQF_FD_SIZE_FD_GSIZE_M, reg_val);
bsize = FIELD_GET(E800_GLQF_FD_SIZE_FD_BSIZE_M, reg_val);
}
func_p->fd_fltr_guar = ice_get_num_per_func(hw, gsize);
func_p->fd_fltr_best_effort = bsize;
ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_guar = %d\n",
func_p->fd_fltr_guar);
ice_debug(hw, ICE_DBG_INIT, "func caps: fd_fltr_best_effort = %d\n",
func_p->fd_fltr_best_effort);
}
/**
* ice_parse_func_caps - Parse function capabilities
* @hw: pointer to the HW struct
* @func_p: pointer to function capabilities structure
* @buf: buffer containing the function capability records
* @cap_count: the number of capabilities
*
* Helper function to parse function (0x000A) capabilities list. For
* capabilities shared between device and function, this relies on
* ice_parse_common_caps.
*
* Loop through the list of provided capabilities and extract the relevant
* data into the function capabilities structured.
*/
static void
ice_parse_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_p,
void *buf, u32 cap_count)
{
struct ice_aqc_list_caps_elem *cap_resp;
u32 i;
cap_resp = buf;
memset(func_p, 0, sizeof(*func_p));
for (i = 0; i < cap_count; i++) {
u16 cap = le16_to_cpu(cap_resp[i].cap);
bool found;
found = ice_parse_common_caps(hw, &func_p->common_cap,
&cap_resp[i], "func caps");
switch (cap) {
case ICE_AQC_CAPS_VF:
ice_parse_vf_func_caps(hw, func_p, &cap_resp[i]);
break;
case ICE_AQC_CAPS_VSI:
ice_parse_vsi_func_caps(hw, func_p, &cap_resp[i]);
break;
case ICE_AQC_CAPS_1588:
ice_parse_1588_func_caps(hw, func_p, &cap_resp[i]);
break;
case ICE_AQC_CAPS_FD:
ice_parse_fdir_func_caps(hw, func_p);
break;
default:
/* Don't list common capabilities as unknown */
if (!found)
ice_debug(hw, ICE_DBG_INIT, "func caps: unknown capability[%d]: 0x%x\n",
i, cap);
break;
}
}
ice_recalc_port_limited_caps(hw, &func_p->common_cap);
}
/**
* ice_parse_valid_functions_cap - Parse ICE_AQC_CAPS_VALID_FUNCTIONS caps
* @hw: pointer to the HW struct
* @dev_p: pointer to device capabilities structure
* @cap: capability element to parse
*
* Parse ICE_AQC_CAPS_VALID_FUNCTIONS for device capabilities.
*/
static void
ice_parse_valid_functions_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
struct ice_aqc_list_caps_elem *cap)
{
u32 number = le32_to_cpu(cap->number);
dev_p->num_funcs = hweight32(number);
ice_debug(hw, ICE_DBG_INIT, "dev caps: num_funcs = %d\n",
dev_p->num_funcs);
}
/**
* ice_parse_vf_dev_caps - Parse ICE_AQC_CAPS_VF device caps
* @hw: pointer to the HW struct
* @dev_p: pointer to device capabilities structure
* @cap: capability element to parse
*
* Parse ICE_AQC_CAPS_VF for device capabilities.
*/
static void
ice_parse_vf_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
struct ice_aqc_list_caps_elem *cap)
{
u32 number = le32_to_cpu(cap->number);
dev_p->num_vfs_exposed = number;
ice_debug(hw, ICE_DBG_INIT, "dev_caps: num_vfs_exposed = %d\n",
dev_p->num_vfs_exposed);
}
/**
* ice_parse_vsi_dev_caps - Parse ICE_AQC_CAPS_VSI device caps
* @hw: pointer to the HW struct
* @dev_p: pointer to device capabilities structure
* @cap: capability element to parse
*
* Parse ICE_AQC_CAPS_VSI for device capabilities.
*/
static void
ice_parse_vsi_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
struct ice_aqc_list_caps_elem *cap)
{
u32 number = le32_to_cpu(cap->number);
dev_p->num_vsi_allocd_to_host = number;
ice_debug(hw, ICE_DBG_INIT, "dev caps: num_vsi_allocd_to_host = %d\n",
dev_p->num_vsi_allocd_to_host);
}
/**
* ice_parse_1588_dev_caps - Parse ICE_AQC_CAPS_1588 device caps
* @hw: pointer to the HW struct
* @dev_p: pointer to device capabilities structure
* @cap: capability element to parse
*
* Parse ICE_AQC_CAPS_1588 for device capabilities.
*/
static void
ice_parse_1588_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
struct ice_aqc_list_caps_elem *cap)
{
struct ice_ts_dev_info *info = &dev_p->ts_dev_info;
u32 logical_id = le32_to_cpu(cap->logical_id);
u32 phys_id = le32_to_cpu(cap->phys_id);
u32 number = le32_to_cpu(cap->number);
info->ena = ((number & ICE_TS_DEV_ENA_M) != 0);
dev_p->common_cap.ieee_1588 = info->ena;
info->tmr0_owner = number & ICE_TS_TMR0_OWNR_M;
info->tmr0_owned = ((number & ICE_TS_TMR0_OWND_M) != 0);
info->tmr0_ena = ((number & ICE_TS_TMR0_ENA_M) != 0);
info->tmr1_owner = FIELD_GET(ICE_TS_TMR1_OWNR_M, number);
info->tmr1_owned = ((number & ICE_TS_TMR1_OWND_M) != 0);
info->tmr1_ena = ((number & ICE_TS_TMR1_ENA_M) != 0);
info->ts_ll_read = ((number & ICE_TS_LL_TX_TS_READ_M) != 0);
info->ts_ll_int_read = ((number & ICE_TS_LL_TX_TS_INT_READ_M) != 0);
info->ena_ports = logical_id;
info->tmr_own_map = phys_id;
ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 = %u\n",
dev_p->common_cap.ieee_1588);
ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owner = %u\n",
info->tmr0_owner);
ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_owned = %u\n",
info->tmr0_owned);
ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr0_ena = %u\n",
info->tmr0_ena);
ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owner = %u\n",
info->tmr1_owner);
ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_owned = %u\n",
info->tmr1_owned);
ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr1_ena = %u\n",
info->tmr1_ena);
ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_read = %u\n",
info->ts_ll_read);
ice_debug(hw, ICE_DBG_INIT, "dev caps: ts_ll_int_read = %u\n",
info->ts_ll_int_read);
ice_debug(hw, ICE_DBG_INIT, "dev caps: ieee_1588 ena_ports = %u\n",
info->ena_ports);
ice_debug(hw, ICE_DBG_INIT, "dev caps: tmr_own_map = %u\n",
info->tmr_own_map);
}
/**
* ice_parse_fdir_dev_caps - Parse ICE_AQC_CAPS_FD device caps
* @hw: pointer to the HW struct
* @dev_p: pointer to device capabilities structure
* @cap: capability element to parse
*
* Parse ICE_AQC_CAPS_FD for device capabilities.
*/
static void
ice_parse_fdir_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
struct ice_aqc_list_caps_elem *cap)
{
u32 number = le32_to_cpu(cap->number);
dev_p->num_flow_director_fltr = number;
ice_debug(hw, ICE_DBG_INIT, "dev caps: num_flow_director_fltr = %d\n",
dev_p->num_flow_director_fltr);
}
/**
* ice_parse_sensor_reading_cap - Parse ICE_AQC_CAPS_SENSOR_READING cap
* @hw: pointer to the HW struct
* @dev_p: pointer to device capabilities structure
* @cap: capability element to parse
*
* Parse ICE_AQC_CAPS_SENSOR_READING for device capability for reading
* enabled sensors.
*/
static void
ice_parse_sensor_reading_cap(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
struct ice_aqc_list_caps_elem *cap)
{
dev_p->supported_sensors = le32_to_cpu(cap->number);
ice_debug(hw, ICE_DBG_INIT,
"dev caps: supported sensors (bitmap) = 0x%x\n",
dev_p->supported_sensors);
}
/**
* ice_parse_dev_caps - Parse device capabilities
* @hw: pointer to the HW struct
* @dev_p: pointer to device capabilities structure
* @buf: buffer containing the device capability records
* @cap_count: the number of capabilities
*
* Helper device to parse device (0x000B) capabilities list. For
* capabilities shared between device and function, this relies on
* ice_parse_common_caps.
*
* Loop through the list of provided capabilities and extract the relevant
* data into the device capabilities structured.
*/
static void
ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
void *buf, u32 cap_count)
{
struct ice_aqc_list_caps_elem *cap_resp;
u32 i;
cap_resp = buf;
memset(dev_p, 0, sizeof(*dev_p));
for (i = 0; i < cap_count; i++) {
u16 cap = le16_to_cpu(cap_resp[i].cap);
bool found;
found = ice_parse_common_caps(hw, &dev_p->common_cap,
&cap_resp[i], "dev caps");
switch (cap) {
case ICE_AQC_CAPS_VALID_FUNCTIONS:
ice_parse_valid_functions_cap(hw, dev_p, &cap_resp[i]);
break;
case ICE_AQC_CAPS_VF:
ice_parse_vf_dev_caps(hw, dev_p, &cap_resp[i]);
break;
case ICE_AQC_CAPS_VSI:
ice_parse_vsi_dev_caps(hw, dev_p, &cap_resp[i]);
break;
case ICE_AQC_CAPS_1588:
ice_parse_1588_dev_caps(hw, dev_p, &cap_resp[i]);
break;
case ICE_AQC_CAPS_FD:
ice_parse_fdir_dev_caps(hw, dev_p, &cap_resp[i]);
break;
case ICE_AQC_CAPS_SENSOR_READING:
ice_parse_sensor_reading_cap(hw, dev_p, &cap_resp[i]);
break;
default:
/* Don't list common capabilities as unknown */
if (!found)
ice_debug(hw, ICE_DBG_INIT, "dev caps: unknown capability[%d]: 0x%x\n",
i, cap);
break;
}
}
ice_recalc_port_limited_caps(hw, &dev_p->common_cap);
}
/**
* ice_is_pf_c827 - check if pf contains c827 phy
* @hw: pointer to the hw struct
*/
bool ice_is_pf_c827(struct ice_hw *hw)
{
struct ice_aqc_get_link_topo cmd = {};
u8 node_part_number;
u16 node_handle;
int status;
if (hw->mac_type != ICE_MAC_E810)
return false;
if (hw->device_id != ICE_DEV_ID_E810C_QSFP)
return true;
cmd.addr.topo_params.node_type_ctx =
FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_TYPE_M, ICE_AQC_LINK_TOPO_NODE_TYPE_PHY) |
FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_CTX_M, ICE_AQC_LINK_TOPO_NODE_CTX_PORT);
cmd.addr.topo_params.index = 0;
status = ice_aq_get_netlist_node(hw, &cmd, &node_part_number,
&node_handle);
if (status || node_part_number != ICE_AQC_GET_LINK_TOPO_NODE_NR_C827)
return false;
if (node_handle == E810C_QSFP_C827_0_HANDLE || node_handle == E810C_QSFP_C827_1_HANDLE)
return true;
return false;
}
/**
* ice_is_phy_rclk_in_netlist
* @hw: pointer to the hw struct
*
* Check if the PHY Recovered Clock device is present in the netlist
*/
bool ice_is_phy_rclk_in_netlist(struct ice_hw *hw)
{
if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
ICE_AQC_GET_LINK_TOPO_NODE_NR_C827, NULL) &&
ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
ICE_AQC_GET_LINK_TOPO_NODE_NR_E822_PHY, NULL))
return false;
return true;
}
/**
* ice_is_clock_mux_in_netlist
* @hw: pointer to the hw struct
*
* Check if the Clock Multiplexer device is present in the netlist
*/
bool ice_is_clock_mux_in_netlist(struct ice_hw *hw)
{
if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_MUX,
ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_CLK_MUX,
NULL))
return false;
return true;
}
/**
* ice_is_cgu_in_netlist - check for CGU presence
* @hw: pointer to the hw struct
*
* Check if the Clock Generation Unit (CGU) device is present in the netlist.
* Save the CGU part number in the hw structure for later use.
* Return:
* * true - cgu is present
* * false - cgu is not present
*/
bool ice_is_cgu_in_netlist(struct ice_hw *hw)
{
if (!ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032,
NULL)) {
hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032;
return true;
} else if (!ice_find_netlist_node(hw,
ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384,
NULL)) {
hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384;
return true;
}
return false;
}
/**
* ice_is_gps_in_netlist
* @hw: pointer to the hw struct
*
* Check if the GPS generic device is present in the netlist
*/
bool ice_is_gps_in_netlist(struct ice_hw *hw)
{
if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_GPS,
ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_GPS, NULL))
return false;
return true;
}
/**
* ice_aq_list_caps - query function/device capabilities
* @hw: pointer to the HW struct
* @buf: a buffer to hold the capabilities
* @buf_size: size of the buffer
* @cap_count: if not NULL, set to the number of capabilities reported
* @opc: capabilities type to discover, device or function
* @cd: pointer to command details structure or NULL
*
* Get the function (0x000A) or device (0x000B) capabilities description from
* firmware and store it in the buffer.
*
* If the cap_count pointer is not NULL, then it is set to the number of
* capabilities firmware will report. Note that if the buffer size is too
* small, it is possible the command will return ICE_AQ_ERR_ENOMEM. The
* cap_count will still be updated in this case. It is recommended that the
* buffer size be set to ICE_AQ_MAX_BUF_LEN (the largest possible buffer that
* firmware could return) to avoid this.
*/
int
ice_aq_list_caps(struct ice_hw *hw, void *buf, u16 buf_size, u32 *cap_count,
enum ice_adminq_opc opc, struct ice_sq_cd *cd)
{
struct ice_aqc_list_caps *cmd;
struct ice_aq_desc desc;
int status;
cmd = &desc.params.get_cap;
if (opc != ice_aqc_opc_list_func_caps &&
opc != ice_aqc_opc_list_dev_caps)
return -EINVAL;
ice_fill_dflt_direct_cmd_desc(&desc, opc);
status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
if (cap_count)
*cap_count = le32_to_cpu(cmd->count);
return status;
}
/**
* ice_discover_dev_caps - Read and extract device capabilities
* @hw: pointer to the hardware structure
* @dev_caps: pointer to device capabilities structure
*
* Read the device capabilities and extract them into the dev_caps structure
* for later use.
*/
int
ice_discover_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_caps)
{
u32 cap_count = 0;
void *cbuf;
int status;
cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
if (!cbuf)
return -ENOMEM;
/* Although the driver doesn't know the number of capabilities the
* device will return, we can simply send a 4KB buffer, the maximum
* possible size that firmware can return.
*/
cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct ice_aqc_list_caps_elem);
status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
ice_aqc_opc_list_dev_caps, NULL);
if (!status)
ice_parse_dev_caps(hw, dev_caps, cbuf, cap_count);
kfree(cbuf);
return status;
}
/**
* ice_discover_func_caps - Read and extract function capabilities
* @hw: pointer to the hardware structure
* @func_caps: pointer to function capabilities structure
*
* Read the function capabilities and extract them into the func_caps structure
* for later use.
*/
static int
ice_discover_func_caps(struct ice_hw *hw, struct ice_hw_func_caps *func_caps)
{
u32 cap_count = 0;
void *cbuf;
int status;
cbuf = kzalloc(ICE_AQ_MAX_BUF_LEN, GFP_KERNEL);
if (!cbuf)
return -ENOMEM;
/* Although the driver doesn't know the number of capabilities the
* device will return, we can simply send a 4KB buffer, the maximum
* possible size that firmware can return.
*/
cap_count = ICE_AQ_MAX_BUF_LEN / sizeof(struct ice_aqc_list_caps_elem);
status = ice_aq_list_caps(hw, cbuf, ICE_AQ_MAX_BUF_LEN, &cap_count,
ice_aqc_opc_list_func_caps, NULL);
if (!status)
ice_parse_func_caps(hw, func_caps, cbuf, cap_count);
kfree(cbuf);
return status;
}
/**
* ice_set_safe_mode_caps - Override dev/func capabilities when in safe mode
* @hw: pointer to the hardware structure
*/
void ice_set_safe_mode_caps(struct ice_hw *hw)
{
struct ice_hw_func_caps *func_caps = &hw->func_caps;
struct ice_hw_dev_caps *dev_caps = &hw->dev_caps;
struct ice_hw_common_caps cached_caps;
u32 num_funcs;
/* cache some func_caps values that should be restored after memset */
cached_caps = func_caps->common_cap;
/* unset func capabilities */
memset(func_caps, 0, sizeof(*func_caps));
#define ICE_RESTORE_FUNC_CAP(name) \
func_caps->common_cap.name = cached_caps.name
/* restore cached values */
ICE_RESTORE_FUNC_CAP(valid_functions);
ICE_RESTORE_FUNC_CAP(txq_first_id);
ICE_RESTORE_FUNC_CAP(rxq_first_id);
ICE_RESTORE_FUNC_CAP(msix_vector_first_id);
ICE_RESTORE_FUNC_CAP(max_mtu);
ICE_RESTORE_FUNC_CAP(nvm_unified_update);
ICE_RESTORE_FUNC_CAP(nvm_update_pending_nvm);
ICE_RESTORE_FUNC_CAP(nvm_update_pending_orom);
ICE_RESTORE_FUNC_CAP(nvm_update_pending_netlist);
/* one Tx and one Rx queue in safe mode */
func_caps->common_cap.num_rxq = 1;
func_caps->common_cap.num_txq = 1;
/* two MSIX vectors, one for traffic and one for misc causes */
func_caps->common_cap.num_msix_vectors = 2;
func_caps->guar_num_vsi = 1;
/* cache some dev_caps values that should be restored after memset */
cached_caps = dev_caps->common_cap;
num_funcs = dev_caps->num_funcs;
/* unset dev capabilities */
memset(dev_caps, 0, sizeof(*dev_caps));
#define ICE_RESTORE_DEV_CAP(name) \
dev_caps->common_cap.name = cached_caps.name
/* restore cached values */
ICE_RESTORE_DEV_CAP(valid_functions);
ICE_RESTORE_DEV_CAP(txq_first_id);
ICE_RESTORE_DEV_CAP(rxq_first_id);
ICE_RESTORE_DEV_CAP(msix_vector_first_id);
ICE_RESTORE_DEV_CAP(max_mtu);
ICE_RESTORE_DEV_CAP(nvm_unified_update);
ICE_RESTORE_DEV_CAP(nvm_update_pending_nvm);
ICE_RESTORE_DEV_CAP(nvm_update_pending_orom);
ICE_RESTORE_DEV_CAP(nvm_update_pending_netlist);
dev_caps->num_funcs = num_funcs;
/* one Tx and one Rx queue per function in safe mode */
dev_caps->common_cap.num_rxq = num_funcs;
dev_caps->common_cap.num_txq = num_funcs;
/* two MSIX vectors per function */
dev_caps->common_cap.num_msix_vectors = 2 * num_funcs;
}
/**
* ice_get_caps - get info about the HW
* @hw: pointer to the hardware structure
*/
int ice_get_caps(struct ice_hw *hw)
{
int status;
status = ice_discover_dev_caps(hw, &hw->dev_caps);
if (status)
return status;
return ice_discover_func_caps(hw, &hw->func_caps);
}
/**
* ice_aq_manage_mac_write - manage MAC address write command
* @hw: pointer to the HW struct
* @mac_addr: MAC address to be written as LAA/LAA+WoL/Port address
* @flags: flags to control write behavior
* @cd: pointer to command details structure or NULL
*
* This function is used to write MAC address to the NVM (0x0108).
*/
int
ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
struct ice_sq_cd *cd)
{
struct ice_aqc_manage_mac_write *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.mac_write;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write);
cmd->flags = flags;
ether_addr_copy(cmd->mac_addr, mac_addr);
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_clear_pxe_mode
* @hw: pointer to the HW struct
*
* Tell the firmware that the driver is taking over from PXE (0x0110).
*/
static int ice_aq_clear_pxe_mode(struct ice_hw *hw)
{
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_clear_pxe_mode);
desc.params.clear_pxe.rx_cnt = ICE_AQC_CLEAR_PXE_RX_CNT;
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_clear_pxe_mode - clear pxe operations mode
* @hw: pointer to the HW struct
*
* Make sure all PXE mode settings are cleared, including things
* like descriptor fetch/write-back mode.
*/
void ice_clear_pxe_mode(struct ice_hw *hw)
{
if (ice_check_sq_alive(hw, &hw->adminq))
ice_aq_clear_pxe_mode(hw);
}
/**
* ice_aq_set_port_params - set physical port parameters.
* @pi: pointer to the port info struct
* @double_vlan: if set double VLAN is enabled
* @cd: pointer to command details structure or NULL
*
* Set Physical port parameters (0x0203)
*/
int
ice_aq_set_port_params(struct ice_port_info *pi, bool double_vlan,
struct ice_sq_cd *cd)
{
struct ice_aqc_set_port_params *cmd;
struct ice_hw *hw = pi->hw;
struct ice_aq_desc desc;
u16 cmd_flags = 0;
cmd = &desc.params.set_port_params;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_params);
if (double_vlan)
cmd_flags |= ICE_AQC_SET_P_PARAMS_DOUBLE_VLAN_ENA;
cmd->cmd_flags = cpu_to_le16(cmd_flags);
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_is_100m_speed_supported
* @hw: pointer to the HW struct
*
* returns true if 100M speeds are supported by the device,
* false otherwise.
*/
bool ice_is_100m_speed_supported(struct ice_hw *hw)
{
switch (hw->device_id) {
case ICE_DEV_ID_E822C_SGMII:
case ICE_DEV_ID_E822L_SGMII:
case ICE_DEV_ID_E823L_1GBE:
case ICE_DEV_ID_E823C_SGMII:
return true;
default:
return false;
}
}
/**
* ice_get_link_speed_based_on_phy_type - returns link speed
* @phy_type_low: lower part of phy_type
* @phy_type_high: higher part of phy_type
*
* This helper function will convert an entry in PHY type structure
* [phy_type_low, phy_type_high] to its corresponding link speed.
* Note: In the structure of [phy_type_low, phy_type_high], there should
* be one bit set, as this function will convert one PHY type to its
* speed.
* If no bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned
* If more than one bit gets set, ICE_AQ_LINK_SPEED_UNKNOWN will be returned
*/
static u16
ice_get_link_speed_based_on_phy_type(u64 phy_type_low, u64 phy_type_high)
{
u16 speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
u16 speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
switch (phy_type_low) {
case ICE_PHY_TYPE_LOW_100BASE_TX:
case ICE_PHY_TYPE_LOW_100M_SGMII:
speed_phy_type_low = ICE_AQ_LINK_SPEED_100MB;
break;
case ICE_PHY_TYPE_LOW_1000BASE_T:
case ICE_PHY_TYPE_LOW_1000BASE_SX:
case ICE_PHY_TYPE_LOW_1000BASE_LX:
case ICE_PHY_TYPE_LOW_1000BASE_KX:
case ICE_PHY_TYPE_LOW_1G_SGMII:
speed_phy_type_low = ICE_AQ_LINK_SPEED_1000MB;
break;
case ICE_PHY_TYPE_LOW_2500BASE_T:
case ICE_PHY_TYPE_LOW_2500BASE_X:
case ICE_PHY_TYPE_LOW_2500BASE_KX:
speed_phy_type_low = ICE_AQ_LINK_SPEED_2500MB;
break;
case ICE_PHY_TYPE_LOW_5GBASE_T:
case ICE_PHY_TYPE_LOW_5GBASE_KR:
speed_phy_type_low = ICE_AQ_LINK_SPEED_5GB;
break;
case ICE_PHY_TYPE_LOW_10GBASE_T:
case ICE_PHY_TYPE_LOW_10G_SFI_DA:
case ICE_PHY_TYPE_LOW_10GBASE_SR:
case ICE_PHY_TYPE_LOW_10GBASE_LR:
case ICE_PHY_TYPE_LOW_10GBASE_KR_CR1:
case ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC:
case ICE_PHY_TYPE_LOW_10G_SFI_C2C:
speed_phy_type_low = ICE_AQ_LINK_SPEED_10GB;
break;
case ICE_PHY_TYPE_LOW_25GBASE_T:
case ICE_PHY_TYPE_LOW_25GBASE_CR:
case ICE_PHY_TYPE_LOW_25GBASE_CR_S:
case ICE_PHY_TYPE_LOW_25GBASE_CR1:
case ICE_PHY_TYPE_LOW_25GBASE_SR:
case ICE_PHY_TYPE_LOW_25GBASE_LR:
case ICE_PHY_TYPE_LOW_25GBASE_KR:
case ICE_PHY_TYPE_LOW_25GBASE_KR_S:
case ICE_PHY_TYPE_LOW_25GBASE_KR1:
case ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC:
case ICE_PHY_TYPE_LOW_25G_AUI_C2C:
speed_phy_type_low = ICE_AQ_LINK_SPEED_25GB;
break;
case ICE_PHY_TYPE_LOW_40GBASE_CR4:
case ICE_PHY_TYPE_LOW_40GBASE_SR4:
case ICE_PHY_TYPE_LOW_40GBASE_LR4:
case ICE_PHY_TYPE_LOW_40GBASE_KR4:
case ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC:
case ICE_PHY_TYPE_LOW_40G_XLAUI:
speed_phy_type_low = ICE_AQ_LINK_SPEED_40GB;
break;
case ICE_PHY_TYPE_LOW_50GBASE_CR2:
case ICE_PHY_TYPE_LOW_50GBASE_SR2:
case ICE_PHY_TYPE_LOW_50GBASE_LR2:
case ICE_PHY_TYPE_LOW_50GBASE_KR2:
case ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC:
case ICE_PHY_TYPE_LOW_50G_LAUI2:
case ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC:
case ICE_PHY_TYPE_LOW_50G_AUI2:
case ICE_PHY_TYPE_LOW_50GBASE_CP:
case ICE_PHY_TYPE_LOW_50GBASE_SR:
case ICE_PHY_TYPE_LOW_50GBASE_FR:
case ICE_PHY_TYPE_LOW_50GBASE_LR:
case ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4:
case ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC:
case ICE_PHY_TYPE_LOW_50G_AUI1:
speed_phy_type_low = ICE_AQ_LINK_SPEED_50GB;
break;
case ICE_PHY_TYPE_LOW_100GBASE_CR4:
case ICE_PHY_TYPE_LOW_100GBASE_SR4:
case ICE_PHY_TYPE_LOW_100GBASE_LR4:
case ICE_PHY_TYPE_LOW_100GBASE_KR4:
case ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC:
case ICE_PHY_TYPE_LOW_100G_CAUI4:
case ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC:
case ICE_PHY_TYPE_LOW_100G_AUI4:
case ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4:
case ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4:
case ICE_PHY_TYPE_LOW_100GBASE_CP2:
case ICE_PHY_TYPE_LOW_100GBASE_SR2:
case ICE_PHY_TYPE_LOW_100GBASE_DR:
speed_phy_type_low = ICE_AQ_LINK_SPEED_100GB;
break;
default:
speed_phy_type_low = ICE_AQ_LINK_SPEED_UNKNOWN;
break;
}
switch (phy_type_high) {
case ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4:
case ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC:
case ICE_PHY_TYPE_HIGH_100G_CAUI2:
case ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC:
case ICE_PHY_TYPE_HIGH_100G_AUI2:
speed_phy_type_high = ICE_AQ_LINK_SPEED_100GB;
break;
default:
speed_phy_type_high = ICE_AQ_LINK_SPEED_UNKNOWN;
break;
}
if (speed_phy_type_low == ICE_AQ_LINK_SPEED_UNKNOWN &&
speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
return ICE_AQ_LINK_SPEED_UNKNOWN;
else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
speed_phy_type_high != ICE_AQ_LINK_SPEED_UNKNOWN)
return ICE_AQ_LINK_SPEED_UNKNOWN;
else if (speed_phy_type_low != ICE_AQ_LINK_SPEED_UNKNOWN &&
speed_phy_type_high == ICE_AQ_LINK_SPEED_UNKNOWN)
return speed_phy_type_low;
else
return speed_phy_type_high;
}
/**
* ice_update_phy_type
* @phy_type_low: pointer to the lower part of phy_type
* @phy_type_high: pointer to the higher part of phy_type
* @link_speeds_bitmap: targeted link speeds bitmap
*
* Note: For the link_speeds_bitmap structure, you can check it at
* [ice_aqc_get_link_status->link_speed]. Caller can pass in
* link_speeds_bitmap include multiple speeds.
*
* Each entry in this [phy_type_low, phy_type_high] structure will
* present a certain link speed. This helper function will turn on bits
* in [phy_type_low, phy_type_high] structure based on the value of
* link_speeds_bitmap input parameter.
*/
void
ice_update_phy_type(u64 *phy_type_low, u64 *phy_type_high,
u16 link_speeds_bitmap)
{
u64 pt_high;
u64 pt_low;
int index;
u16 speed;
/* We first check with low part of phy_type */
for (index = 0; index <= ICE_PHY_TYPE_LOW_MAX_INDEX; index++) {
pt_low = BIT_ULL(index);
speed = ice_get_link_speed_based_on_phy_type(pt_low, 0);
if (link_speeds_bitmap & speed)
*phy_type_low |= BIT_ULL(index);
}
/* We then check with high part of phy_type */
for (index = 0; index <= ICE_PHY_TYPE_HIGH_MAX_INDEX; index++) {
pt_high = BIT_ULL(index);
speed = ice_get_link_speed_based_on_phy_type(0, pt_high);
if (link_speeds_bitmap & speed)
*phy_type_high |= BIT_ULL(index);
}
}
/**
* ice_aq_set_phy_cfg
* @hw: pointer to the HW struct
* @pi: port info structure of the interested logical port
* @cfg: structure with PHY configuration data to be set
* @cd: pointer to command details structure or NULL
*
* Set the various PHY configuration parameters supported on the Port.
* One or more of the Set PHY config parameters may be ignored in an MFP
* mode as the PF may not have the privilege to set some of the PHY Config
* parameters. This status will be indicated by the command response (0x0601).
*/
int
ice_aq_set_phy_cfg(struct ice_hw *hw, struct ice_port_info *pi,
struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd)
{
struct ice_aq_desc desc;
int status;
if (!cfg)
return -EINVAL;
/* Ensure that only valid bits of cfg->caps can be turned on. */
if (cfg->caps & ~ICE_AQ_PHY_ENA_VALID_MASK) {
ice_debug(hw, ICE_DBG_PHY, "Invalid bit is set in ice_aqc_set_phy_cfg_data->caps : 0x%x\n",
cfg->caps);
cfg->caps &= ICE_AQ_PHY_ENA_VALID_MASK;
}
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_cfg);
desc.params.set_phy.lport_num = pi->lport;
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
ice_debug(hw, ICE_DBG_LINK, "set phy cfg\n");
ice_debug(hw, ICE_DBG_LINK, " phy_type_low = 0x%llx\n",
(unsigned long long)le64_to_cpu(cfg->phy_type_low));
ice_debug(hw, ICE_DBG_LINK, " phy_type_high = 0x%llx\n",
(unsigned long long)le64_to_cpu(cfg->phy_type_high));
ice_debug(hw, ICE_DBG_LINK, " caps = 0x%x\n", cfg->caps);
ice_debug(hw, ICE_DBG_LINK, " low_power_ctrl_an = 0x%x\n",
cfg->low_power_ctrl_an);
ice_debug(hw, ICE_DBG_LINK, " eee_cap = 0x%x\n", cfg->eee_cap);
ice_debug(hw, ICE_DBG_LINK, " eeer_value = 0x%x\n", cfg->eeer_value);
ice_debug(hw, ICE_DBG_LINK, " link_fec_opt = 0x%x\n",
cfg->link_fec_opt);
status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE)
status = 0;
if (!status)
pi->phy.curr_user_phy_cfg = *cfg;
return status;
}
/**
* ice_update_link_info - update status of the HW network link
* @pi: port info structure of the interested logical port
*/
int ice_update_link_info(struct ice_port_info *pi)
{
struct ice_link_status *li;
int status;
if (!pi)
return -EINVAL;
li = &pi->phy.link_info;
status = ice_aq_get_link_info(pi, true, NULL, NULL);
if (status)
return status;
if (li->link_info & ICE_AQ_MEDIA_AVAILABLE) {
struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
if (!pcaps)
return -ENOMEM;
status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
pcaps, NULL);
}
return status;
}
/**
* ice_cache_phy_user_req
* @pi: port information structure
* @cache_data: PHY logging data
* @cache_mode: PHY logging mode
*
* Log the user request on (FC, FEC, SPEED) for later use.
*/
static void
ice_cache_phy_user_req(struct ice_port_info *pi,
struct ice_phy_cache_mode_data cache_data,
enum ice_phy_cache_mode cache_mode)
{
if (!pi)
return;
switch (cache_mode) {
case ICE_FC_MODE:
pi->phy.curr_user_fc_req = cache_data.data.curr_user_fc_req;
break;
case ICE_SPEED_MODE:
pi->phy.curr_user_speed_req =
cache_data.data.curr_user_speed_req;
break;
case ICE_FEC_MODE:
pi->phy.curr_user_fec_req = cache_data.data.curr_user_fec_req;
break;
default:
break;
}
}
/**
* ice_caps_to_fc_mode
* @caps: PHY capabilities
*
* Convert PHY FC capabilities to ice FC mode
*/
enum ice_fc_mode ice_caps_to_fc_mode(u8 caps)
{
if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE &&
caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
return ICE_FC_FULL;
if (caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
return ICE_FC_TX_PAUSE;
if (caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
return ICE_FC_RX_PAUSE;
return ICE_FC_NONE;
}
/**
* ice_caps_to_fec_mode
* @caps: PHY capabilities
* @fec_options: Link FEC options
*
* Convert PHY FEC capabilities to ice FEC mode
*/
enum ice_fec_mode ice_caps_to_fec_mode(u8 caps, u8 fec_options)
{
if (caps & ICE_AQC_PHY_EN_AUTO_FEC)
return ICE_FEC_AUTO;
if (fec_options & (ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN |
ICE_AQC_PHY_FEC_25G_KR_REQ))
return ICE_FEC_BASER;
if (fec_options & (ICE_AQC_PHY_FEC_25G_RS_528_REQ |
ICE_AQC_PHY_FEC_25G_RS_544_REQ |
ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN))
return ICE_FEC_RS;
return ICE_FEC_NONE;
}
/**
* ice_cfg_phy_fc - Configure PHY FC data based on FC mode
* @pi: port information structure
* @cfg: PHY configuration data to set FC mode
* @req_mode: FC mode to configure
*/
int
ice_cfg_phy_fc(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
enum ice_fc_mode req_mode)
{
struct ice_phy_cache_mode_data cache_data;
u8 pause_mask = 0x0;
if (!pi || !cfg)
return -EINVAL;
switch (req_mode) {
case ICE_FC_FULL:
pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
break;
case ICE_FC_RX_PAUSE:
pause_mask |= ICE_AQC_PHY_EN_RX_LINK_PAUSE;
break;
case ICE_FC_TX_PAUSE:
pause_mask |= ICE_AQC_PHY_EN_TX_LINK_PAUSE;
break;
default:
break;
}
/* clear the old pause settings */
cfg->caps &= ~(ICE_AQC_PHY_EN_TX_LINK_PAUSE |
ICE_AQC_PHY_EN_RX_LINK_PAUSE);
/* set the new capabilities */
cfg->caps |= pause_mask;
/* Cache user FC request */
cache_data.data.curr_user_fc_req = req_mode;
ice_cache_phy_user_req(pi, cache_data, ICE_FC_MODE);
return 0;
}
/**
* ice_set_fc
* @pi: port information structure
* @aq_failures: pointer to status code, specific to ice_set_fc routine
* @ena_auto_link_update: enable automatic link update
*
* Set the requested flow control mode.
*/
int
ice_set_fc(struct ice_port_info *pi, u8 *aq_failures, bool ena_auto_link_update)
{
struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
struct ice_aqc_set_phy_cfg_data cfg = { 0 };
struct ice_hw *hw;
int status;
if (!pi || !aq_failures)
return -EINVAL;
*aq_failures = 0;
hw = pi->hw;
pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
if (!pcaps)
return -ENOMEM;
/* Get the current PHY config */
status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG,
pcaps, NULL);
if (status) {
*aq_failures = ICE_SET_FC_AQ_FAIL_GET;
goto out;
}
ice_copy_phy_caps_to_cfg(pi, pcaps, &cfg);
/* Configure the set PHY data */
status = ice_cfg_phy_fc(pi, &cfg, pi->fc.req_mode);
if (status)
goto out;
/* If the capabilities have changed, then set the new config */
if (cfg.caps != pcaps->caps) {
int retry_count, retry_max = 10;
/* Auto restart link so settings take effect */
if (ena_auto_link_update)
cfg.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
status = ice_aq_set_phy_cfg(hw, pi, &cfg, NULL);
if (status) {
*aq_failures = ICE_SET_FC_AQ_FAIL_SET;
goto out;
}
/* Update the link info
* It sometimes takes a really long time for link to
* come back from the atomic reset. Thus, we wait a
* little bit.
*/
for (retry_count = 0; retry_count < retry_max; retry_count++) {
status = ice_update_link_info(pi);
if (!status)
break;
mdelay(100);
}
if (status)
*aq_failures = ICE_SET_FC_AQ_FAIL_UPDATE;
}
out:
return status;
}
/**
* ice_phy_caps_equals_cfg
* @phy_caps: PHY capabilities
* @phy_cfg: PHY configuration
*
* Helper function to determine if PHY capabilities matches PHY
* configuration
*/
bool
ice_phy_caps_equals_cfg(struct ice_aqc_get_phy_caps_data *phy_caps,
struct ice_aqc_set_phy_cfg_data *phy_cfg)
{
u8 caps_mask, cfg_mask;
if (!phy_caps || !phy_cfg)
return false;
/* These bits are not common between capabilities and configuration.
* Do not use them to determine equality.
*/
caps_mask = ICE_AQC_PHY_CAPS_MASK & ~(ICE_AQC_PHY_AN_MODE |
ICE_AQC_GET_PHY_EN_MOD_QUAL);
cfg_mask = ICE_AQ_PHY_ENA_VALID_MASK & ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
if (phy_caps->phy_type_low != phy_cfg->phy_type_low ||
phy_caps->phy_type_high != phy_cfg->phy_type_high ||
((phy_caps->caps & caps_mask) != (phy_cfg->caps & cfg_mask)) ||
phy_caps->low_power_ctrl_an != phy_cfg->low_power_ctrl_an ||
phy_caps->eee_cap != phy_cfg->eee_cap ||
phy_caps->eeer_value != phy_cfg->eeer_value ||
phy_caps->link_fec_options != phy_cfg->link_fec_opt)
return false;
return true;
}
/**
* ice_copy_phy_caps_to_cfg - Copy PHY ability data to configuration data
* @pi: port information structure
* @caps: PHY ability structure to copy date from
* @cfg: PHY configuration structure to copy data to
*
* Helper function to copy AQC PHY get ability data to PHY set configuration
* data structure
*/
void
ice_copy_phy_caps_to_cfg(struct ice_port_info *pi,
struct ice_aqc_get_phy_caps_data *caps,
struct ice_aqc_set_phy_cfg_data *cfg)
{
if (!pi || !caps || !cfg)
return;
memset(cfg, 0, sizeof(*cfg));
cfg->phy_type_low = caps->phy_type_low;
cfg->phy_type_high = caps->phy_type_high;
cfg->caps = caps->caps;
cfg->low_power_ctrl_an = caps->low_power_ctrl_an;
cfg->eee_cap = caps->eee_cap;
cfg->eeer_value = caps->eeer_value;
cfg->link_fec_opt = caps->link_fec_options;
cfg->module_compliance_enforcement =
caps->module_compliance_enforcement;
}
/**
* ice_cfg_phy_fec - Configure PHY FEC data based on FEC mode
* @pi: port information structure
* @cfg: PHY configuration data to set FEC mode
* @fec: FEC mode to configure
*/
int
ice_cfg_phy_fec(struct ice_port_info *pi, struct ice_aqc_set_phy_cfg_data *cfg,
enum ice_fec_mode fec)
{
struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
struct ice_hw *hw;
int status;
if (!pi || !cfg)
return -EINVAL;
hw = pi->hw;
pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
if (!pcaps)
return -ENOMEM;
status = ice_aq_get_phy_caps(pi, false,
(ice_fw_supports_report_dflt_cfg(hw) ?
ICE_AQC_REPORT_DFLT_CFG :
ICE_AQC_REPORT_TOPO_CAP_MEDIA), pcaps, NULL);
if (status)
goto out;
cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC;
cfg->link_fec_opt = pcaps->link_fec_options;
switch (fec) {
case ICE_FEC_BASER:
/* Clear RS bits, and AND BASE-R ability
* bits and OR request bits.
*/
cfg->link_fec_opt &= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN |
ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN;
cfg->link_fec_opt |= ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ |
ICE_AQC_PHY_FEC_25G_KR_REQ;
break;
case ICE_FEC_RS:
/* Clear BASE-R bits, and AND RS ability
* bits and OR request bits.
*/
cfg->link_fec_opt &= ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN;
cfg->link_fec_opt |= ICE_AQC_PHY_FEC_25G_RS_528_REQ |
ICE_AQC_PHY_FEC_25G_RS_544_REQ;
break;
case ICE_FEC_NONE:
/* Clear all FEC option bits. */
cfg->link_fec_opt &= ~ICE_AQC_PHY_FEC_MASK;
break;
case ICE_FEC_AUTO:
/* AND auto FEC bit, and all caps bits. */
cfg->caps &= ICE_AQC_PHY_CAPS_MASK;
cfg->link_fec_opt |= pcaps->link_fec_options;
break;
default:
status = -EINVAL;
break;
}
if (fec == ICE_FEC_AUTO && ice_fw_supports_link_override(hw) &&
!ice_fw_supports_report_dflt_cfg(hw)) {
struct ice_link_default_override_tlv tlv = { 0 };
status = ice_get_link_default_override(&tlv, pi);
if (status)
goto out;
if (!(tlv.options & ICE_LINK_OVERRIDE_STRICT_MODE) &&
(tlv.options & ICE_LINK_OVERRIDE_EN))
cfg->link_fec_opt = tlv.fec_options;
}
out:
return status;
}
/**
* ice_get_link_status - get status of the HW network link
* @pi: port information structure
* @link_up: pointer to bool (true/false = linkup/linkdown)
*
* Variable link_up is true if link is up, false if link is down.
* The variable link_up is invalid if status is non zero. As a
* result of this call, link status reporting becomes enabled
*/
int ice_get_link_status(struct ice_port_info *pi, bool *link_up)
{
struct ice_phy_info *phy_info;
int status = 0;
if (!pi || !link_up)
return -EINVAL;
phy_info = &pi->phy;
if (phy_info->get_link_info) {
status = ice_update_link_info(pi);
if (status)
ice_debug(pi->hw, ICE_DBG_LINK, "get link status error, status = %d\n",
status);
}
*link_up = phy_info->link_info.link_info & ICE_AQ_LINK_UP;
return status;
}
/**
* ice_aq_set_link_restart_an
* @pi: pointer to the port information structure
* @ena_link: if true: enable link, if false: disable link
* @cd: pointer to command details structure or NULL
*
* Sets up the link and restarts the Auto-Negotiation over the link.
*/
int
ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link,
struct ice_sq_cd *cd)
{
struct ice_aqc_restart_an *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.restart_an;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_restart_an);
cmd->cmd_flags = ICE_AQC_RESTART_AN_LINK_RESTART;
cmd->lport_num = pi->lport;
if (ena_link)
cmd->cmd_flags |= ICE_AQC_RESTART_AN_LINK_ENABLE;
else
cmd->cmd_flags &= ~ICE_AQC_RESTART_AN_LINK_ENABLE;
return ice_aq_send_cmd(pi->hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_set_event_mask
* @hw: pointer to the HW struct
* @port_num: port number of the physical function
* @mask: event mask to be set
* @cd: pointer to command details structure or NULL
*
* Set event mask (0x0613)
*/
int
ice_aq_set_event_mask(struct ice_hw *hw, u8 port_num, u16 mask,
struct ice_sq_cd *cd)
{
struct ice_aqc_set_event_mask *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.set_event_mask;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_event_mask);
cmd->lport_num = port_num;
cmd->event_mask = cpu_to_le16(mask);
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_set_mac_loopback
* @hw: pointer to the HW struct
* @ena_lpbk: Enable or Disable loopback
* @cd: pointer to command details structure or NULL
*
* Enable/disable loopback on a given port
*/
int
ice_aq_set_mac_loopback(struct ice_hw *hw, bool ena_lpbk, struct ice_sq_cd *cd)
{
struct ice_aqc_set_mac_lb *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.set_mac_lb;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_lb);
if (ena_lpbk)
cmd->lb_mode = ICE_AQ_MAC_LB_EN;
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_set_port_id_led
* @pi: pointer to the port information
* @is_orig_mode: is this LED set to original mode (by the net-list)
* @cd: pointer to command details structure or NULL
*
* Set LED value for the given port (0x06e9)
*/
int
ice_aq_set_port_id_led(struct ice_port_info *pi, bool is_orig_mode,
struct ice_sq_cd *cd)
{
struct ice_aqc_set_port_id_led *cmd;
struct ice_hw *hw = pi->hw;
struct ice_aq_desc desc;
cmd = &desc.params.set_port_id_led;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_id_led);
if (is_orig_mode)
cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_ORIG;
else
cmd->ident_mode = ICE_AQC_PORT_IDENT_LED_BLINK;
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_get_port_options
* @hw: pointer to the HW struct
* @options: buffer for the resultant port options
* @option_count: input - size of the buffer in port options structures,
* output - number of returned port options
* @lport: logical port to call the command with (optional)
* @lport_valid: when false, FW uses port owned by the PF instead of lport,
* when PF owns more than 1 port it must be true
* @active_option_idx: index of active port option in returned buffer
* @active_option_valid: active option in returned buffer is valid
* @pending_option_idx: index of pending port option in returned buffer
* @pending_option_valid: pending option in returned buffer is valid
*
* Calls Get Port Options AQC (0x06ea) and verifies result.
*/
int
ice_aq_get_port_options(struct ice_hw *hw,
struct ice_aqc_get_port_options_elem *options,
u8 *option_count, u8 lport, bool lport_valid,
u8 *active_option_idx, bool *active_option_valid,
u8 *pending_option_idx, bool *pending_option_valid)
{
struct ice_aqc_get_port_options *cmd;
struct ice_aq_desc desc;
int status;
u8 i;
/* options buffer shall be able to hold max returned options */
if (*option_count < ICE_AQC_PORT_OPT_COUNT_M)
return -EINVAL;
cmd = &desc.params.get_port_options;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_port_options);
if (lport_valid)
cmd->lport_num = lport;
cmd->lport_num_valid = lport_valid;
status = ice_aq_send_cmd(hw, &desc, options,
*option_count * sizeof(*options), NULL);
if (status)
return status;
/* verify direct FW response & set output parameters */
*option_count = FIELD_GET(ICE_AQC_PORT_OPT_COUNT_M,
cmd->port_options_count);
ice_debug(hw, ICE_DBG_PHY, "options: %x\n", *option_count);
*active_option_valid = FIELD_GET(ICE_AQC_PORT_OPT_VALID,
cmd->port_options);
if (*active_option_valid) {
*active_option_idx = FIELD_GET(ICE_AQC_PORT_OPT_ACTIVE_M,
cmd->port_options);
if (*active_option_idx > (*option_count - 1))
return -EIO;
ice_debug(hw, ICE_DBG_PHY, "active idx: %x\n",
*active_option_idx);
}
*pending_option_valid = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_VALID,
cmd->pending_port_option_status);
if (*pending_option_valid) {
*pending_option_idx = FIELD_GET(ICE_AQC_PENDING_PORT_OPT_IDX_M,
cmd->pending_port_option_status);
if (*pending_option_idx > (*option_count - 1))
return -EIO;
ice_debug(hw, ICE_DBG_PHY, "pending idx: %x\n",
*pending_option_idx);
}
/* mask output options fields */
for (i = 0; i < *option_count; i++) {
options[i].pmd = FIELD_GET(ICE_AQC_PORT_OPT_PMD_COUNT_M,
options[i].pmd);
options[i].max_lane_speed = FIELD_GET(ICE_AQC_PORT_OPT_MAX_LANE_M,
options[i].max_lane_speed);
ice_debug(hw, ICE_DBG_PHY, "pmds: %x max speed: %x\n",
options[i].pmd, options[i].max_lane_speed);
}
return 0;
}
/**
* ice_aq_set_port_option
* @hw: pointer to the HW struct
* @lport: logical port to call the command with
* @lport_valid: when false, FW uses port owned by the PF instead of lport,
* when PF owns more than 1 port it must be true
* @new_option: new port option to be written
*
* Calls Set Port Options AQC (0x06eb).
*/
int
ice_aq_set_port_option(struct ice_hw *hw, u8 lport, u8 lport_valid,
u8 new_option)
{
struct ice_aqc_set_port_option *cmd;
struct ice_aq_desc desc;
if (new_option > ICE_AQC_PORT_OPT_COUNT_M)
return -EINVAL;
cmd = &desc.params.set_port_option;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_port_option);
if (lport_valid)
cmd->lport_num = lport;
cmd->lport_num_valid = lport_valid;
cmd->selected_port_option = new_option;
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_aq_sff_eeprom
* @hw: pointer to the HW struct
* @lport: bits [7:0] = logical port, bit [8] = logical port valid
* @bus_addr: I2C bus address of the eeprom (typically 0xA0, 0=topo default)
* @mem_addr: I2C offset. lower 8 bits for address, 8 upper bits zero padding.
* @page: QSFP page
* @set_page: set or ignore the page
* @data: pointer to data buffer to be read/written to the I2C device.
* @length: 1-16 for read, 1 for write.
* @write: 0 read, 1 for write.
* @cd: pointer to command details structure or NULL
*
* Read/Write SFF EEPROM (0x06EE)
*/
int
ice_aq_sff_eeprom(struct ice_hw *hw, u16 lport, u8 bus_addr,
u16 mem_addr, u8 page, u8 set_page, u8 *data, u8 length,
bool write, struct ice_sq_cd *cd)
{
struct ice_aqc_sff_eeprom *cmd;
struct ice_aq_desc desc;
u16 i2c_bus_addr;
int status;
if (!data || (mem_addr & 0xff00))
return -EINVAL;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_sff_eeprom);
cmd = &desc.params.read_write_sff_param;
desc.flags = cpu_to_le16(ICE_AQ_FLAG_RD);
cmd->lport_num = (u8)(lport & 0xff);
cmd->lport_num_valid = (u8)((lport >> 8) & 0x01);
i2c_bus_addr = FIELD_PREP(ICE_AQC_SFF_I2CBUS_7BIT_M, bus_addr >> 1) |
FIELD_PREP(ICE_AQC_SFF_SET_EEPROM_PAGE_M, set_page);
if (write)
i2c_bus_addr |= ICE_AQC_SFF_IS_WRITE;
cmd->i2c_bus_addr = cpu_to_le16(i2c_bus_addr);
cmd->i2c_mem_addr = cpu_to_le16(mem_addr & 0xff);
cmd->eeprom_page = le16_encode_bits(page, ICE_AQC_SFF_EEPROM_PAGE_M);
status = ice_aq_send_cmd(hw, &desc, data, length, cd);
return status;
}
static enum ice_lut_size ice_lut_type_to_size(enum ice_lut_type type)
{
switch (type) {
case ICE_LUT_VSI:
return ICE_LUT_VSI_SIZE;
case ICE_LUT_GLOBAL:
return ICE_LUT_GLOBAL_SIZE;
case ICE_LUT_PF:
return ICE_LUT_PF_SIZE;
}
WARN_ONCE(1, "incorrect type passed");
return ICE_LUT_VSI_SIZE;
}
static enum ice_aqc_lut_flags ice_lut_size_to_flag(enum ice_lut_size size)
{
switch (size) {
case ICE_LUT_VSI_SIZE:
return ICE_AQC_LUT_SIZE_SMALL;
case ICE_LUT_GLOBAL_SIZE:
return ICE_AQC_LUT_SIZE_512;
case ICE_LUT_PF_SIZE:
return ICE_AQC_LUT_SIZE_2K;
}
WARN_ONCE(1, "incorrect size passed");
return 0;
}
/**
* __ice_aq_get_set_rss_lut
* @hw: pointer to the hardware structure
* @params: RSS LUT parameters
* @set: set true to set the table, false to get the table
*
* Internal function to get (0x0B05) or set (0x0B03) RSS look up table
*/
static int
__ice_aq_get_set_rss_lut(struct ice_hw *hw,
struct ice_aq_get_set_rss_lut_params *params, bool set)
{
u16 opcode, vsi_id, vsi_handle = params->vsi_handle, glob_lut_idx = 0;
enum ice_lut_type lut_type = params->lut_type;
struct ice_aqc_get_set_rss_lut *desc_params;
enum ice_aqc_lut_flags flags;
enum ice_lut_size lut_size;
struct ice_aq_desc desc;
u8 *lut = params->lut;
if (!lut || !ice_is_vsi_valid(hw, vsi_handle))
return -EINVAL;
lut_size = ice_lut_type_to_size(lut_type);
if (lut_size > params->lut_size)
return -EINVAL;
else if (set && lut_size != params->lut_size)
return -EINVAL;
opcode = set ? ice_aqc_opc_set_rss_lut : ice_aqc_opc_get_rss_lut;
ice_fill_dflt_direct_cmd_desc(&desc, opcode);
if (set)
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
desc_params = &desc.params.get_set_rss_lut;
vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
desc_params->vsi_id = cpu_to_le16(vsi_id | ICE_AQC_RSS_VSI_VALID);
if (lut_type == ICE_LUT_GLOBAL)
glob_lut_idx = FIELD_PREP(ICE_AQC_LUT_GLOBAL_IDX,
params->global_lut_id);
flags = lut_type | glob_lut_idx | ice_lut_size_to_flag(lut_size);
desc_params->flags = cpu_to_le16(flags);
return ice_aq_send_cmd(hw, &desc, lut, lut_size, NULL);
}
/**
* ice_aq_get_rss_lut
* @hw: pointer to the hardware structure
* @get_params: RSS LUT parameters used to specify which RSS LUT to get
*
* get the RSS lookup table, PF or VSI type
*/
int
ice_aq_get_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *get_params)
{
return __ice_aq_get_set_rss_lut(hw, get_params, false);
}
/**
* ice_aq_set_rss_lut
* @hw: pointer to the hardware structure
* @set_params: RSS LUT parameters used to specify how to set the RSS LUT
*
* set the RSS lookup table, PF or VSI type
*/
int
ice_aq_set_rss_lut(struct ice_hw *hw, struct ice_aq_get_set_rss_lut_params *set_params)
{
return __ice_aq_get_set_rss_lut(hw, set_params, true);
}
/**
* __ice_aq_get_set_rss_key
* @hw: pointer to the HW struct
* @vsi_id: VSI FW index
* @key: pointer to key info struct
* @set: set true to set the key, false to get the key
*
* get (0x0B04) or set (0x0B02) the RSS key per VSI
*/
static int
__ice_aq_get_set_rss_key(struct ice_hw *hw, u16 vsi_id,
struct ice_aqc_get_set_rss_keys *key, bool set)
{
struct ice_aqc_get_set_rss_key *desc_params;
u16 key_size = sizeof(*key);
struct ice_aq_desc desc;
if (set) {
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_rss_key);
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
} else {
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_rss_key);
}
desc_params = &desc.params.get_set_rss_key;
desc_params->vsi_id = cpu_to_le16(vsi_id | ICE_AQC_RSS_VSI_VALID);
return ice_aq_send_cmd(hw, &desc, key, key_size, NULL);
}
/**
* ice_aq_get_rss_key
* @hw: pointer to the HW struct
* @vsi_handle: software VSI handle
* @key: pointer to key info struct
*
* get the RSS key per VSI
*/
int
ice_aq_get_rss_key(struct ice_hw *hw, u16 vsi_handle,
struct ice_aqc_get_set_rss_keys *key)
{
if (!ice_is_vsi_valid(hw, vsi_handle) || !key)
return -EINVAL;
return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
key, false);
}
/**
* ice_aq_set_rss_key
* @hw: pointer to the HW struct
* @vsi_handle: software VSI handle
* @keys: pointer to key info struct
*
* set the RSS key per VSI
*/
int
ice_aq_set_rss_key(struct ice_hw *hw, u16 vsi_handle,
struct ice_aqc_get_set_rss_keys *keys)
{
if (!ice_is_vsi_valid(hw, vsi_handle) || !keys)
return -EINVAL;
return __ice_aq_get_set_rss_key(hw, ice_get_hw_vsi_num(hw, vsi_handle),
keys, true);
}
/**
* ice_aq_add_lan_txq
* @hw: pointer to the hardware structure
* @num_qgrps: Number of added queue groups
* @qg_list: list of queue groups to be added
* @buf_size: size of buffer for indirect command
* @cd: pointer to command details structure or NULL
*
* Add Tx LAN queue (0x0C30)
*
* NOTE:
* Prior to calling add Tx LAN queue:
* Initialize the following as part of the Tx queue context:
* Completion queue ID if the queue uses Completion queue, Quanta profile,
* Cache profile and Packet shaper profile.
*
* After add Tx LAN queue AQ command is completed:
* Interrupts should be associated with specific queues,
* Association of Tx queue to Doorbell queue is not part of Add LAN Tx queue
* flow.
*/
static int
ice_aq_add_lan_txq(struct ice_hw *hw, u8 num_qgrps,
struct ice_aqc_add_tx_qgrp *qg_list, u16 buf_size,
struct ice_sq_cd *cd)
{
struct ice_aqc_add_tx_qgrp *list;
struct ice_aqc_add_txqs *cmd;
struct ice_aq_desc desc;
u16 i, sum_size = 0;
cmd = &desc.params.add_txqs;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_txqs);
if (!qg_list)
return -EINVAL;
if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
return -EINVAL;
for (i = 0, list = qg_list; i < num_qgrps; i++) {
sum_size += struct_size(list, txqs, list->num_txqs);
list = (struct ice_aqc_add_tx_qgrp *)(list->txqs +
list->num_txqs);
}
if (buf_size != sum_size)
return -EINVAL;
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
cmd->num_qgrps = num_qgrps;
return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
}
/**
* ice_aq_dis_lan_txq
* @hw: pointer to the hardware structure
* @num_qgrps: number of groups in the list
* @qg_list: the list of groups to disable
* @buf_size: the total size of the qg_list buffer in bytes
* @rst_src: if called due to reset, specifies the reset source
* @vmvf_num: the relative VM or VF number that is undergoing the reset
* @cd: pointer to command details structure or NULL
*
* Disable LAN Tx queue (0x0C31)
*/
static int
ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
struct ice_aqc_dis_txq_item *qg_list, u16 buf_size,
enum ice_disq_rst_src rst_src, u16 vmvf_num,
struct ice_sq_cd *cd)
{
struct ice_aqc_dis_txq_item *item;
struct ice_aqc_dis_txqs *cmd;
struct ice_aq_desc desc;
u16 vmvf_and_timeout;
u16 i, sz = 0;
int status;
cmd = &desc.params.dis_txqs;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_dis_txqs);
/* qg_list can be NULL only in VM/VF reset flow */
if (!qg_list && !rst_src)
return -EINVAL;
if (num_qgrps > ICE_LAN_TXQ_MAX_QGRPS)
return -EINVAL;
cmd->num_entries = num_qgrps;
vmvf_and_timeout = FIELD_PREP(ICE_AQC_Q_DIS_TIMEOUT_M, 5);
switch (rst_src) {
case ICE_VM_RESET:
cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VM_RESET;
vmvf_and_timeout |= vmvf_num & ICE_AQC_Q_DIS_VMVF_NUM_M;
break;
case ICE_VF_RESET:
cmd->cmd_type = ICE_AQC_Q_DIS_CMD_VF_RESET;
/* In this case, FW expects vmvf_num to be absolute VF ID */
vmvf_and_timeout |= (vmvf_num + hw->func_caps.vf_base_id) &
ICE_AQC_Q_DIS_VMVF_NUM_M;
break;
case ICE_NO_RESET:
default:
break;
}
cmd->vmvf_and_timeout = cpu_to_le16(vmvf_and_timeout);
/* flush pipe on time out */
cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE;
/* If no queue group info, we are in a reset flow. Issue the AQ */
if (!qg_list)
goto do_aq;
/* set RD bit to indicate that command buffer is provided by the driver
* and it needs to be read by the firmware
*/
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
for (i = 0, item = qg_list; i < num_qgrps; i++) {
u16 item_size = struct_size(item, q_id, item->num_qs);
/* If the num of queues is even, add 2 bytes of padding */
if ((item->num_qs % 2) == 0)
item_size += 2;
sz += item_size;
item = (struct ice_aqc_dis_txq_item *)((u8 *)item + item_size);
}
if (buf_size != sz)
return -EINVAL;
do_aq:
status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
if (status) {
if (!qg_list)
ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n",
vmvf_num, hw->adminq.sq_last_status);
else
ice_debug(hw, ICE_DBG_SCHED, "disable queue %d failed %d\n",
le16_to_cpu(qg_list[0].q_id[0]),
hw->adminq.sq_last_status);
}
return status;
}
/**
* ice_aq_cfg_lan_txq
* @hw: pointer to the hardware structure
* @buf: buffer for command
* @buf_size: size of buffer in bytes
* @num_qs: number of queues being configured
* @oldport: origination lport
* @newport: destination lport
* @cd: pointer to command details structure or NULL
*
* Move/Configure LAN Tx queue (0x0C32)
*
* There is a better AQ command to use for moving nodes, so only coding
* this one for configuring the node.
*/
int
ice_aq_cfg_lan_txq(struct ice_hw *hw, struct ice_aqc_cfg_txqs_buf *buf,
u16 buf_size, u16 num_qs, u8 oldport, u8 newport,
struct ice_sq_cd *cd)
{
struct ice_aqc_cfg_txqs *cmd;
struct ice_aq_desc desc;
int status;
cmd = &desc.params.cfg_txqs;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_cfg_txqs);
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
if (!buf)
return -EINVAL;
cmd->cmd_type = ICE_AQC_Q_CFG_TC_CHNG;
cmd->num_qs = num_qs;
cmd->port_num_chng = (oldport & ICE_AQC_Q_CFG_SRC_PRT_M);
cmd->port_num_chng |= FIELD_PREP(ICE_AQC_Q_CFG_DST_PRT_M, newport);
cmd->time_out = FIELD_PREP(ICE_AQC_Q_CFG_TIMEOUT_M, 5);
cmd->blocked_cgds = 0;
status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
if (status)
ice_debug(hw, ICE_DBG_SCHED, "Failed to reconfigure nodes %d\n",
hw->adminq.sq_last_status);
return status;
}
/**
* ice_aq_add_rdma_qsets
* @hw: pointer to the hardware structure
* @num_qset_grps: Number of RDMA Qset groups
* @qset_list: list of Qset groups to be added
* @buf_size: size of buffer for indirect command
* @cd: pointer to command details structure or NULL
*
* Add Tx RDMA Qsets (0x0C33)
*/
static int
ice_aq_add_rdma_qsets(struct ice_hw *hw, u8 num_qset_grps,
struct ice_aqc_add_rdma_qset_data *qset_list,
u16 buf_size, struct ice_sq_cd *cd)
{
struct ice_aqc_add_rdma_qset_data *list;
struct ice_aqc_add_rdma_qset *cmd;
struct ice_aq_desc desc;
u16 i, sum_size = 0;
cmd = &desc.params.add_rdma_qset;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_rdma_qset);
if (num_qset_grps > ICE_LAN_TXQ_MAX_QGRPS)
return -EINVAL;
for (i = 0, list = qset_list; i < num_qset_grps; i++) {
u16 num_qsets = le16_to_cpu(list->num_qsets);
sum_size += struct_size(list, rdma_qsets, num_qsets);
list = (struct ice_aqc_add_rdma_qset_data *)(list->rdma_qsets +
num_qsets);
}
if (buf_size != sum_size)
return -EINVAL;
desc.flags |= cpu_to_le16(ICE_AQ_FLAG_RD);
cmd->num_qset_grps = num_qset_grps;
return ice_aq_send_cmd(hw, &desc, qset_list, buf_size, cd);
}
/* End of FW Admin Queue command wrappers */
/**
* ice_pack_ctx_byte - write a byte to a packed context structure
* @src_ctx: unpacked source context structure
* @dest_ctx: packed destination context data
* @ce_info: context element description
*/
static void ice_pack_ctx_byte(u8 *src_ctx, u8 *dest_ctx,
const struct ice_ctx_ele *ce_info)
{
u8 src_byte, dest_byte, mask;
u8 *from, *dest;
u16 shift_width;
/* copy from the next struct field */
from = src_ctx + ce_info->offset;
/* prepare the bits and mask */
shift_width = ce_info->lsb % 8;
mask = GENMASK(ce_info->width - 1 + shift_width, shift_width);
src_byte = *from;
src_byte <<= shift_width;
src_byte &= mask;
/* get the current bits from the target bit string */
dest = dest_ctx + (ce_info->lsb / 8);
memcpy(&dest_byte, dest, sizeof(dest_byte));
dest_byte &= ~mask; /* get the bits not changing */
dest_byte |= src_byte; /* add in the new bits */
/* put it all back */
memcpy(dest, &dest_byte, sizeof(dest_byte));
}
/**
* ice_pack_ctx_word - write a word to a packed context structure
* @src_ctx: unpacked source context structure
* @dest_ctx: packed destination context data
* @ce_info: context element description
*/
static void ice_pack_ctx_word(u8 *src_ctx, u8 *dest_ctx,
const struct ice_ctx_ele *ce_info)
{
u16 src_word, mask;
__le16 dest_word;
u8 *from, *dest;
u16 shift_width;
/* copy from the next struct field */
from = src_ctx + ce_info->offset;
/* prepare the bits and mask */
shift_width = ce_info->lsb % 8;
mask = GENMASK(ce_info->width - 1 + shift_width, shift_width);
/* don't swizzle the bits until after the mask because the mask bits
* will be in a different bit position on big endian machines
*/
src_word = *(u16 *)from;
src_word <<= shift_width;
src_word &= mask;
/* get the current bits from the target bit string */
dest = dest_ctx + (ce_info->lsb / 8);
memcpy(&dest_word, dest, sizeof(dest_word));
dest_word &= ~(cpu_to_le16(mask)); /* get the bits not changing */
dest_word |= cpu_to_le16(src_word); /* add in the new bits */
/* put it all back */
memcpy(dest, &dest_word, sizeof(dest_word));
}
/**
* ice_pack_ctx_dword - write a dword to a packed context structure
* @src_ctx: unpacked source context structure
* @dest_ctx: packed destination context data
* @ce_info: context element description
*/
static void ice_pack_ctx_dword(u8 *src_ctx, u8 *dest_ctx,
const struct ice_ctx_ele *ce_info)
{
u32 src_dword, mask;
__le32 dest_dword;
u8 *from, *dest;
u16 shift_width;
/* copy from the next struct field */
from = src_ctx + ce_info->offset;
/* prepare the bits and mask */
shift_width = ce_info->lsb % 8;
mask = GENMASK(ce_info->width - 1 + shift_width, shift_width);
/* don't swizzle the bits until after the mask because the mask bits
* will be in a different bit position on big endian machines
*/
src_dword = *(u32 *)from;
src_dword <<= shift_width;
src_dword &= mask;
/* get the current bits from the target bit string */
dest = dest_ctx + (ce_info->lsb / 8);
memcpy(&dest_dword, dest, sizeof(dest_dword));
dest_dword &= ~(cpu_to_le32(mask)); /* get the bits not changing */
dest_dword |= cpu_to_le32(src_dword); /* add in the new bits */
/* put it all back */
memcpy(dest, &dest_dword, sizeof(dest_dword));
}
/**
* ice_pack_ctx_qword - write a qword to a packed context structure
* @src_ctx: unpacked source context structure
* @dest_ctx: packed destination context data
* @ce_info: context element description
*/
static void ice_pack_ctx_qword(u8 *src_ctx, u8 *dest_ctx,
const struct ice_ctx_ele *ce_info)
{
u64 src_qword, mask;
__le64 dest_qword;
u8 *from, *dest;
u16 shift_width;
/* copy from the next struct field */
from = src_ctx + ce_info->offset;
/* prepare the bits and mask */
shift_width = ce_info->lsb % 8;
mask = GENMASK_ULL(ce_info->width - 1 + shift_width, shift_width);
/* don't swizzle the bits until after the mask because the mask bits
* will be in a different bit position on big endian machines
*/
src_qword = *(u64 *)from;
src_qword <<= shift_width;
src_qword &= mask;
/* get the current bits from the target bit string */
dest = dest_ctx + (ce_info->lsb / 8);
memcpy(&dest_qword, dest, sizeof(dest_qword));
dest_qword &= ~(cpu_to_le64(mask)); /* get the bits not changing */
dest_qword |= cpu_to_le64(src_qword); /* add in the new bits */
/* put it all back */
memcpy(dest, &dest_qword, sizeof(dest_qword));
}
/**
* ice_set_ctx - set context bits in packed structure
* @hw: pointer to the hardware structure
* @src_ctx: pointer to a generic non-packed context structure
* @dest_ctx: pointer to memory for the packed structure
* @ce_info: List of Rx context elements
*/
int ice_set_ctx(struct ice_hw *hw, u8 *src_ctx, u8 *dest_ctx,
const struct ice_ctx_ele *ce_info)
{
int f;
for (f = 0; ce_info[f].width; f++) {
/* We have to deal with each element of the FW response
* using the correct size so that we are correct regardless
* of the endianness of the machine.
*/
if (ce_info[f].width > (ce_info[f].size_of * BITS_PER_BYTE)) {
ice_debug(hw, ICE_DBG_QCTX, "Field %d width of %d bits larger than size of %d byte(s) ... skipping write\n",
f, ce_info[f].width, ce_info[f].size_of);
continue;
}
switch (ce_info[f].size_of) {
case sizeof(u8):
ice_pack_ctx_byte(src_ctx, dest_ctx, &ce_info[f]);
break;
case sizeof(u16):
ice_pack_ctx_word(src_ctx, dest_ctx, &ce_info[f]);
break;
case sizeof(u32):
ice_pack_ctx_dword(src_ctx, dest_ctx, &ce_info[f]);
break;
case sizeof(u64):
ice_pack_ctx_qword(src_ctx, dest_ctx, &ce_info[f]);
break;
default:
return -EINVAL;
}
}
return 0;
}
/**
* ice_get_lan_q_ctx - get the LAN queue context for the given VSI and TC
* @hw: pointer to the HW struct
* @vsi_handle: software VSI handle
* @tc: TC number
* @q_handle: software queue handle
*/
struct ice_q_ctx *
ice_get_lan_q_ctx(struct ice_hw *hw, u16 vsi_handle, u8 tc, u16 q_handle)
{
struct ice_vsi_ctx *vsi;
struct ice_q_ctx *q_ctx;
vsi = ice_get_vsi_ctx(hw, vsi_handle);
if (!vsi)
return NULL;
if (q_handle >= vsi->num_lan_q_entries[tc])
return NULL;
if (!vsi->lan_q_ctx[tc])
return NULL;
q_ctx = vsi->lan_q_ctx[tc];
return &q_ctx[q_handle];
}
/**
* ice_ena_vsi_txq
* @pi: port information structure
* @vsi_handle: software VSI handle
* @tc: TC number
* @q_handle: software queue handle
* @num_qgrps: Number of added queue groups
* @buf: list of queue groups to be added
* @buf_size: size of buffer for indirect command
* @cd: pointer to command details structure or NULL
*
* This function adds one LAN queue
*/
int
ice_ena_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 q_handle,
u8 num_qgrps, struct ice_aqc_add_tx_qgrp *buf, u16 buf_size,
struct ice_sq_cd *cd)
{
struct ice_aqc_txsched_elem_data node = { 0 };
struct ice_sched_node *parent;
struct ice_q_ctx *q_ctx;
struct ice_hw *hw;
int status;
if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
return -EIO;
if (num_qgrps > 1 || buf->num_txqs > 1)
return -ENOSPC;
hw = pi->hw;
if (!ice_is_vsi_valid(hw, vsi_handle))
return -EINVAL;
mutex_lock(&pi->sched_lock);
q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handle);
if (!q_ctx) {
ice_debug(hw, ICE_DBG_SCHED, "Enaq: invalid queue handle %d\n",
q_handle);
status = -EINVAL;
goto ena_txq_exit;
}
/* find a parent node */
parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
ICE_SCHED_NODE_OWNER_LAN);
if (!parent) {
status = -EINVAL;
goto ena_txq_exit;
}
buf->parent_teid = parent->info.node_teid;
node.parent_teid = parent->info.node_teid;
/* Mark that the values in the "generic" section as valid. The default
* value in the "generic" section is zero. This means that :
* - Scheduling mode is Bytes Per Second (BPS), indicated by Bit 0.
* - 0 priority among siblings, indicated by Bit 1-3.
* - WFQ, indicated by Bit 4.
* - 0 Adjustment value is used in PSM credit update flow, indicated by
* Bit 5-6.
* - Bit 7 is reserved.
* Without setting the generic section as valid in valid_sections, the
* Admin queue command will fail with error code ICE_AQ_RC_EINVAL.
*/
buf->txqs[0].info.valid_sections =
ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
ICE_AQC_ELEM_VALID_EIR;
buf->txqs[0].info.generic = 0;
buf->txqs[0].info.cir_bw.bw_profile_idx =
cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
buf->txqs[0].info.cir_bw.bw_alloc =
cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
buf->txqs[0].info.eir_bw.bw_profile_idx =
cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
buf->txqs[0].info.eir_bw.bw_alloc =
cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
/* add the LAN queue */
status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd);
if (status) {
ice_debug(hw, ICE_DBG_SCHED, "enable queue %d failed %d\n",
le16_to_cpu(buf->txqs[0].txq_id),
hw->adminq.sq_last_status);
goto ena_txq_exit;
}
node.node_teid = buf->txqs[0].q_teid;
node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
q_ctx->q_handle = q_handle;
q_ctx->q_teid = le32_to_cpu(node.node_teid);
/* add a leaf node into scheduler tree queue layer */
status = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1, &node, NULL);
if (!status)
status = ice_sched_replay_q_bw(pi, q_ctx);
ena_txq_exit:
mutex_unlock(&pi->sched_lock);
return status;
}
/**
* ice_dis_vsi_txq
* @pi: port information structure
* @vsi_handle: software VSI handle
* @tc: TC number
* @num_queues: number of queues
* @q_handles: pointer to software queue handle array
* @q_ids: pointer to the q_id array
* @q_teids: pointer to queue node teids
* @rst_src: if called due to reset, specifies the reset source
* @vmvf_num: the relative VM or VF number that is undergoing the reset
* @cd: pointer to command details structure or NULL
*
* This function removes queues and their corresponding nodes in SW DB
*/
int
ice_dis_vsi_txq(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u8 num_queues,
u16 *q_handles, u16 *q_ids, u32 *q_teids,
enum ice_disq_rst_src rst_src, u16 vmvf_num,
struct ice_sq_cd *cd)
{
DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
u16 i, buf_size = __struct_size(qg_list);
struct ice_q_ctx *q_ctx;
int status = -ENOENT;
struct ice_hw *hw;
if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
return -EIO;
hw = pi->hw;
if (!num_queues) {
/* if queue is disabled already yet the disable queue command
* has to be sent to complete the VF reset, then call
* ice_aq_dis_lan_txq without any queue information
*/
if (rst_src)
return ice_aq_dis_lan_txq(hw, 0, NULL, 0, rst_src,
vmvf_num, NULL);
return -EIO;
}
mutex_lock(&pi->sched_lock);
for (i = 0; i < num_queues; i++) {
struct ice_sched_node *node;
node = ice_sched_find_node_by_teid(pi->root, q_teids[i]);
if (!node)
continue;
q_ctx = ice_get_lan_q_ctx(hw, vsi_handle, tc, q_handles[i]);
if (!q_ctx) {
ice_debug(hw, ICE_DBG_SCHED, "invalid queue handle%d\n",
q_handles[i]);
continue;
}
if (q_ctx->q_handle != q_handles[i]) {
ice_debug(hw, ICE_DBG_SCHED, "Err:handles %d %d\n",
q_ctx->q_handle, q_handles[i]);
continue;
}
qg_list->parent_teid = node->info.parent_teid;
qg_list->num_qs = 1;
qg_list->q_id[0] = cpu_to_le16(q_ids[i]);
status = ice_aq_dis_lan_txq(hw, 1, qg_list, buf_size, rst_src,
vmvf_num, cd);
if (status)
break;
ice_free_sched_node(pi, node);
q_ctx->q_handle = ICE_INVAL_Q_HANDLE;
q_ctx->q_teid = ICE_INVAL_TEID;
}
mutex_unlock(&pi->sched_lock);
return status;
}
/**
* ice_cfg_vsi_qs - configure the new/existing VSI queues
* @pi: port information structure
* @vsi_handle: software VSI handle
* @tc_bitmap: TC bitmap
* @maxqs: max queues array per TC
* @owner: LAN or RDMA
*
* This function adds/updates the VSI queues per TC.
*/
static int
ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
u16 *maxqs, u8 owner)
{
int status = 0;
u8 i;
if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
return -EIO;
if (!ice_is_vsi_valid(pi->hw, vsi_handle))
return -EINVAL;
mutex_lock(&pi->sched_lock);
ice_for_each_traffic_class(i) {
/* configuration is possible only if TC node is present */
if (!ice_sched_get_tc_node(pi, i))
continue;
status = ice_sched_cfg_vsi(pi, vsi_handle, i, maxqs[i], owner,
ice_is_tc_ena(tc_bitmap, i));
if (status)
break;
}
mutex_unlock(&pi->sched_lock);
return status;
}
/**
* ice_cfg_vsi_lan - configure VSI LAN queues
* @pi: port information structure
* @vsi_handle: software VSI handle
* @tc_bitmap: TC bitmap
* @max_lanqs: max LAN queues array per TC
*
* This function adds/updates the VSI LAN queues per TC.
*/
int
ice_cfg_vsi_lan(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
u16 *max_lanqs)
{
return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_lanqs,
ICE_SCHED_NODE_OWNER_LAN);
}
/**
* ice_cfg_vsi_rdma - configure the VSI RDMA queues
* @pi: port information structure
* @vsi_handle: software VSI handle
* @tc_bitmap: TC bitmap
* @max_rdmaqs: max RDMA queues array per TC
*
* This function adds/updates the VSI RDMA queues per TC.
*/
int
ice_cfg_vsi_rdma(struct ice_port_info *pi, u16 vsi_handle, u16 tc_bitmap,
u16 *max_rdmaqs)
{
return ice_cfg_vsi_qs(pi, vsi_handle, tc_bitmap, max_rdmaqs,
ICE_SCHED_NODE_OWNER_RDMA);
}
/**
* ice_ena_vsi_rdma_qset
* @pi: port information structure
* @vsi_handle: software VSI handle
* @tc: TC number
* @rdma_qset: pointer to RDMA Qset
* @num_qsets: number of RDMA Qsets
* @qset_teid: pointer to Qset node TEIDs
*
* This function adds RDMA Qset
*/
int
ice_ena_vsi_rdma_qset(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
u16 *rdma_qset, u16 num_qsets, u32 *qset_teid)
{
struct ice_aqc_txsched_elem_data node = { 0 };
struct ice_aqc_add_rdma_qset_data *buf;
struct ice_sched_node *parent;
struct ice_hw *hw;
u16 i, buf_size;
int ret;
if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
return -EIO;
hw = pi->hw;
if (!ice_is_vsi_valid(hw, vsi_handle))
return -EINVAL;
buf_size = struct_size(buf, rdma_qsets, num_qsets);
buf = kzalloc(buf_size, GFP_KERNEL);
if (!buf)
return -ENOMEM;
mutex_lock(&pi->sched_lock);
parent = ice_sched_get_free_qparent(pi, vsi_handle, tc,
ICE_SCHED_NODE_OWNER_RDMA);
if (!parent) {
ret = -EINVAL;
goto rdma_error_exit;
}
buf->parent_teid = parent->info.node_teid;
node.parent_teid = parent->info.node_teid;
buf->num_qsets = cpu_to_le16(num_qsets);
for (i = 0; i < num_qsets; i++) {
buf->rdma_qsets[i].tx_qset_id = cpu_to_le16(rdma_qset[i]);
buf->rdma_qsets[i].info.valid_sections =
ICE_AQC_ELEM_VALID_GENERIC | ICE_AQC_ELEM_VALID_CIR |
ICE_AQC_ELEM_VALID_EIR;
buf->rdma_qsets[i].info.generic = 0;
buf->rdma_qsets[i].info.cir_bw.bw_profile_idx =
cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
buf->rdma_qsets[i].info.cir_bw.bw_alloc =
cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
buf->rdma_qsets[i].info.eir_bw.bw_profile_idx =
cpu_to_le16(ICE_SCHED_DFLT_RL_PROF_ID);
buf->rdma_qsets[i].info.eir_bw.bw_alloc =
cpu_to_le16(ICE_SCHED_DFLT_BW_WT);
}
ret = ice_aq_add_rdma_qsets(hw, 1, buf, buf_size, NULL);
if (ret) {
ice_debug(hw, ICE_DBG_RDMA, "add RDMA qset failed\n");
goto rdma_error_exit;
}
node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
for (i = 0; i < num_qsets; i++) {
node.node_teid = buf->rdma_qsets[i].qset_teid;
ret = ice_sched_add_node(pi, hw->num_tx_sched_layers - 1,
&node, NULL);
if (ret)
break;
qset_teid[i] = le32_to_cpu(node.node_teid);
}
rdma_error_exit:
mutex_unlock(&pi->sched_lock);
kfree(buf);
return ret;
}
/**
* ice_dis_vsi_rdma_qset - free RDMA resources
* @pi: port_info struct
* @count: number of RDMA Qsets to free
* @qset_teid: TEID of Qset node
* @q_id: list of queue IDs being disabled
*/
int
ice_dis_vsi_rdma_qset(struct ice_port_info *pi, u16 count, u32 *qset_teid,
u16 *q_id)
{
DEFINE_RAW_FLEX(struct ice_aqc_dis_txq_item, qg_list, q_id, 1);
u16 qg_size = __struct_size(qg_list);
struct ice_hw *hw;
int status = 0;
int i;
if (!pi || pi->port_state != ICE_SCHED_PORT_STATE_READY)
return -EIO;
hw = pi->hw;
mutex_lock(&pi->sched_lock);
for (i = 0; i < count; i++) {
struct ice_sched_node *node;
node = ice_sched_find_node_by_teid(pi->root, qset_teid[i]);
if (!node)
continue;
qg_list->parent_teid = node->info.parent_teid;
qg_list->num_qs = 1;
qg_list->q_id[0] =
cpu_to_le16(q_id[i] |
ICE_AQC_Q_DIS_BUF_ELEM_TYPE_RDMA_QSET);
status = ice_aq_dis_lan_txq(hw, 1, qg_list, qg_size,
ICE_NO_RESET, 0, NULL);
if (status)
break;
ice_free_sched_node(pi, node);
}
mutex_unlock(&pi->sched_lock);
return status;
}
/**
* ice_aq_get_cgu_abilities - get cgu abilities
* @hw: pointer to the HW struct
* @abilities: CGU abilities
*
* Get CGU abilities (0x0C61)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_get_cgu_abilities(struct ice_hw *hw,
struct ice_aqc_get_cgu_abilities *abilities)
{
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_abilities);
return ice_aq_send_cmd(hw, &desc, abilities, sizeof(*abilities), NULL);
}
/**
* ice_aq_set_input_pin_cfg - set input pin config
* @hw: pointer to the HW struct
* @input_idx: Input index
* @flags1: Input flags
* @flags2: Input flags
* @freq: Frequency in Hz
* @phase_delay: Delay in ps
*
* Set CGU input config (0x0C62)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_set_input_pin_cfg(struct ice_hw *hw, u8 input_idx, u8 flags1, u8 flags2,
u32 freq, s32 phase_delay)
{
struct ice_aqc_set_cgu_input_config *cmd;
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_input_config);
cmd = &desc.params.set_cgu_input_config;
cmd->input_idx = input_idx;
cmd->flags1 = flags1;
cmd->flags2 = flags2;
cmd->freq = cpu_to_le32(freq);
cmd->phase_delay = cpu_to_le32(phase_delay);
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_aq_get_input_pin_cfg - get input pin config
* @hw: pointer to the HW struct
* @input_idx: Input index
* @status: Pin status
* @type: Pin type
* @flags1: Input flags
* @flags2: Input flags
* @freq: Frequency in Hz
* @phase_delay: Delay in ps
*
* Get CGU input config (0x0C63)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_get_input_pin_cfg(struct ice_hw *hw, u8 input_idx, u8 *status, u8 *type,
u8 *flags1, u8 *flags2, u32 *freq, s32 *phase_delay)
{
struct ice_aqc_get_cgu_input_config *cmd;
struct ice_aq_desc desc;
int ret;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_input_config);
cmd = &desc.params.get_cgu_input_config;
cmd->input_idx = input_idx;
ret = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
if (!ret) {
if (status)
*status = cmd->status;
if (type)
*type = cmd->type;
if (flags1)
*flags1 = cmd->flags1;
if (flags2)
*flags2 = cmd->flags2;
if (freq)
*freq = le32_to_cpu(cmd->freq);
if (phase_delay)
*phase_delay = le32_to_cpu(cmd->phase_delay);
}
return ret;
}
/**
* ice_aq_set_output_pin_cfg - set output pin config
* @hw: pointer to the HW struct
* @output_idx: Output index
* @flags: Output flags
* @src_sel: Index of DPLL block
* @freq: Output frequency
* @phase_delay: Output phase compensation
*
* Set CGU output config (0x0C64)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_set_output_pin_cfg(struct ice_hw *hw, u8 output_idx, u8 flags,
u8 src_sel, u32 freq, s32 phase_delay)
{
struct ice_aqc_set_cgu_output_config *cmd;
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_output_config);
cmd = &desc.params.set_cgu_output_config;
cmd->output_idx = output_idx;
cmd->flags = flags;
cmd->src_sel = src_sel;
cmd->freq = cpu_to_le32(freq);
cmd->phase_delay = cpu_to_le32(phase_delay);
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_aq_get_output_pin_cfg - get output pin config
* @hw: pointer to the HW struct
* @output_idx: Output index
* @flags: Output flags
* @src_sel: Internal DPLL source
* @freq: Output frequency
* @src_freq: Source frequency
*
* Get CGU output config (0x0C65)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_get_output_pin_cfg(struct ice_hw *hw, u8 output_idx, u8 *flags,
u8 *src_sel, u32 *freq, u32 *src_freq)
{
struct ice_aqc_get_cgu_output_config *cmd;
struct ice_aq_desc desc;
int ret;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_output_config);
cmd = &desc.params.get_cgu_output_config;
cmd->output_idx = output_idx;
ret = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
if (!ret) {
if (flags)
*flags = cmd->flags;
if (src_sel)
*src_sel = cmd->src_sel;
if (freq)
*freq = le32_to_cpu(cmd->freq);
if (src_freq)
*src_freq = le32_to_cpu(cmd->src_freq);
}
return ret;
}
/**
* ice_aq_get_cgu_dpll_status - get dpll status
* @hw: pointer to the HW struct
* @dpll_num: DPLL index
* @ref_state: Reference clock state
* @config: current DPLL config
* @dpll_state: current DPLL state
* @phase_offset: Phase offset in ns
* @eec_mode: EEC_mode
*
* Get CGU DPLL status (0x0C66)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_get_cgu_dpll_status(struct ice_hw *hw, u8 dpll_num, u8 *ref_state,
u8 *dpll_state, u8 *config, s64 *phase_offset,
u8 *eec_mode)
{
struct ice_aqc_get_cgu_dpll_status *cmd;
struct ice_aq_desc desc;
int status;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_dpll_status);
cmd = &desc.params.get_cgu_dpll_status;
cmd->dpll_num = dpll_num;
status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
if (!status) {
*ref_state = cmd->ref_state;
*dpll_state = cmd->dpll_state;
*config = cmd->config;
*phase_offset = le32_to_cpu(cmd->phase_offset_h);
*phase_offset <<= 32;
*phase_offset += le32_to_cpu(cmd->phase_offset_l);
*phase_offset = sign_extend64(*phase_offset, 47);
*eec_mode = cmd->eec_mode;
}
return status;
}
/**
* ice_aq_set_cgu_dpll_config - set dpll config
* @hw: pointer to the HW struct
* @dpll_num: DPLL index
* @ref_state: Reference clock state
* @config: DPLL config
* @eec_mode: EEC mode
*
* Set CGU DPLL config (0x0C67)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_set_cgu_dpll_config(struct ice_hw *hw, u8 dpll_num, u8 ref_state,
u8 config, u8 eec_mode)
{
struct ice_aqc_set_cgu_dpll_config *cmd;
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_dpll_config);
cmd = &desc.params.set_cgu_dpll_config;
cmd->dpll_num = dpll_num;
cmd->ref_state = ref_state;
cmd->config = config;
cmd->eec_mode = eec_mode;
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_aq_set_cgu_ref_prio - set input reference priority
* @hw: pointer to the HW struct
* @dpll_num: DPLL index
* @ref_idx: Reference pin index
* @ref_priority: Reference input priority
*
* Set CGU reference priority (0x0C68)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_set_cgu_ref_prio(struct ice_hw *hw, u8 dpll_num, u8 ref_idx,
u8 ref_priority)
{
struct ice_aqc_set_cgu_ref_prio *cmd;
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_cgu_ref_prio);
cmd = &desc.params.set_cgu_ref_prio;
cmd->dpll_num = dpll_num;
cmd->ref_idx = ref_idx;
cmd->ref_priority = ref_priority;
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_aq_get_cgu_ref_prio - get input reference priority
* @hw: pointer to the HW struct
* @dpll_num: DPLL index
* @ref_idx: Reference pin index
* @ref_prio: Reference input priority
*
* Get CGU reference priority (0x0C69)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_get_cgu_ref_prio(struct ice_hw *hw, u8 dpll_num, u8 ref_idx,
u8 *ref_prio)
{
struct ice_aqc_get_cgu_ref_prio *cmd;
struct ice_aq_desc desc;
int status;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_ref_prio);
cmd = &desc.params.get_cgu_ref_prio;
cmd->dpll_num = dpll_num;
cmd->ref_idx = ref_idx;
status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
if (!status)
*ref_prio = cmd->ref_priority;
return status;
}
/**
* ice_aq_get_cgu_info - get cgu info
* @hw: pointer to the HW struct
* @cgu_id: CGU ID
* @cgu_cfg_ver: CGU config version
* @cgu_fw_ver: CGU firmware version
*
* Get CGU info (0x0C6A)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_get_cgu_info(struct ice_hw *hw, u32 *cgu_id, u32 *cgu_cfg_ver,
u32 *cgu_fw_ver)
{
struct ice_aqc_get_cgu_info *cmd;
struct ice_aq_desc desc;
int status;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_cgu_info);
cmd = &desc.params.get_cgu_info;
status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
if (!status) {
*cgu_id = le32_to_cpu(cmd->cgu_id);
*cgu_cfg_ver = le32_to_cpu(cmd->cgu_cfg_ver);
*cgu_fw_ver = le32_to_cpu(cmd->cgu_fw_ver);
}
return status;
}
/**
* ice_aq_set_phy_rec_clk_out - set RCLK phy out
* @hw: pointer to the HW struct
* @phy_output: PHY reference clock output pin
* @enable: GPIO state to be applied
* @freq: PHY output frequency
*
* Set phy recovered clock as reference (0x0630)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_set_phy_rec_clk_out(struct ice_hw *hw, u8 phy_output, bool enable,
u32 *freq)
{
struct ice_aqc_set_phy_rec_clk_out *cmd;
struct ice_aq_desc desc;
int status;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_phy_rec_clk_out);
cmd = &desc.params.set_phy_rec_clk_out;
cmd->phy_output = phy_output;
cmd->port_num = ICE_AQC_SET_PHY_REC_CLK_OUT_CURR_PORT;
cmd->flags = enable & ICE_AQC_SET_PHY_REC_CLK_OUT_OUT_EN;
cmd->freq = cpu_to_le32(*freq);
status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
if (!status)
*freq = le32_to_cpu(cmd->freq);
return status;
}
/**
* ice_aq_get_phy_rec_clk_out - get phy recovered signal info
* @hw: pointer to the HW struct
* @phy_output: PHY reference clock output pin
* @port_num: Port number
* @flags: PHY flags
* @node_handle: PHY output frequency
*
* Get PHY recovered clock output info (0x0631)
* Return: 0 on success or negative value on failure.
*/
int
ice_aq_get_phy_rec_clk_out(struct ice_hw *hw, u8 *phy_output, u8 *port_num,
u8 *flags, u16 *node_handle)
{
struct ice_aqc_get_phy_rec_clk_out *cmd;
struct ice_aq_desc desc;
int status;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_phy_rec_clk_out);
cmd = &desc.params.get_phy_rec_clk_out;
cmd->phy_output = *phy_output;
status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
if (!status) {
*phy_output = cmd->phy_output;
if (port_num)
*port_num = cmd->port_num;
if (flags)
*flags = cmd->flags;
if (node_handle)
*node_handle = le16_to_cpu(cmd->node_handle);
}
return status;
}
/**
* ice_aq_get_sensor_reading
* @hw: pointer to the HW struct
* @data: pointer to data to be read from the sensor
*
* Get sensor reading (0x0632)
*/
int ice_aq_get_sensor_reading(struct ice_hw *hw,
struct ice_aqc_get_sensor_reading_resp *data)
{
struct ice_aqc_get_sensor_reading *cmd;
struct ice_aq_desc desc;
int status;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sensor_reading);
cmd = &desc.params.get_sensor_reading;
#define ICE_INTERNAL_TEMP_SENSOR_FORMAT 0
#define ICE_INTERNAL_TEMP_SENSOR 0
cmd->sensor = ICE_INTERNAL_TEMP_SENSOR;
cmd->format = ICE_INTERNAL_TEMP_SENSOR_FORMAT;
status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
if (!status)
memcpy(data, &desc.params.get_sensor_reading_resp,
sizeof(*data));
return status;
}
/**
* ice_replay_pre_init - replay pre initialization
* @hw: pointer to the HW struct
*
* Initializes required config data for VSI, FD, ACL, and RSS before replay.
*/
static int ice_replay_pre_init(struct ice_hw *hw)
{
struct ice_switch_info *sw = hw->switch_info;
u8 i;
/* Delete old entries from replay filter list head if there is any */
ice_rm_all_sw_replay_rule_info(hw);
/* In start of replay, move entries into replay_rules list, it
* will allow adding rules entries back to filt_rules list,
* which is operational list.
*/
for (i = 0; i < ICE_MAX_NUM_RECIPES; i++)
list_replace_init(&sw->recp_list[i].filt_rules,
&sw->recp_list[i].filt_replay_rules);
ice_sched_replay_agg_vsi_preinit(hw);
return 0;
}
/**
* ice_replay_vsi - replay VSI configuration
* @hw: pointer to the HW struct
* @vsi_handle: driver VSI handle
*
* Restore all VSI configuration after reset. It is required to call this
* function with main VSI first.
*/
int ice_replay_vsi(struct ice_hw *hw, u16 vsi_handle)
{
int status;
if (!ice_is_vsi_valid(hw, vsi_handle))
return -EINVAL;
/* Replay pre-initialization if there is any */
if (vsi_handle == ICE_MAIN_VSI_HANDLE) {
status = ice_replay_pre_init(hw);
if (status)
return status;
}
/* Replay per VSI all RSS configurations */
status = ice_replay_rss_cfg(hw, vsi_handle);
if (status)
return status;
/* Replay per VSI all filters */
status = ice_replay_vsi_all_fltr(hw, vsi_handle);
if (!status)
status = ice_replay_vsi_agg(hw, vsi_handle);
return status;
}
/**
* ice_replay_post - post replay configuration cleanup
* @hw: pointer to the HW struct
*
* Post replay cleanup.
*/
void ice_replay_post(struct ice_hw *hw)
{
/* Delete old entries from replay filter list head */
ice_rm_all_sw_replay_rule_info(hw);
ice_sched_replay_agg(hw);
}
/**
* ice_stat_update40 - read 40 bit stat from the chip and update stat values
* @hw: ptr to the hardware info
* @reg: offset of 64 bit HW register to read from
* @prev_stat_loaded: bool to specify if previous stats are loaded
* @prev_stat: ptr to previous loaded stat value
* @cur_stat: ptr to current stat value
*/
void
ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
u64 *prev_stat, u64 *cur_stat)
{
u64 new_data = rd64(hw, reg) & (BIT_ULL(40) - 1);
/* device stats are not reset at PFR, they likely will not be zeroed
* when the driver starts. Thus, save the value from the first read
* without adding to the statistic value so that we report stats which
* count up from zero.
*/
if (!prev_stat_loaded) {
*prev_stat = new_data;
return;
}
/* Calculate the difference between the new and old values, and then
* add it to the software stat value.
*/
if (new_data >= *prev_stat)
*cur_stat += new_data - *prev_stat;
else
/* to manage the potential roll-over */
*cur_stat += (new_data + BIT_ULL(40)) - *prev_stat;
/* Update the previously stored value to prepare for next read */
*prev_stat = new_data;
}
/**
* ice_stat_update32 - read 32 bit stat from the chip and update stat values
* @hw: ptr to the hardware info
* @reg: offset of HW register to read from
* @prev_stat_loaded: bool to specify if previous stats are loaded
* @prev_stat: ptr to previous loaded stat value
* @cur_stat: ptr to current stat value
*/
void
ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
u64 *prev_stat, u64 *cur_stat)
{
u32 new_data;
new_data = rd32(hw, reg);
/* device stats are not reset at PFR, they likely will not be zeroed
* when the driver starts. Thus, save the value from the first read
* without adding to the statistic value so that we report stats which
* count up from zero.
*/
if (!prev_stat_loaded) {
*prev_stat = new_data;
return;
}
/* Calculate the difference between the new and old values, and then
* add it to the software stat value.
*/
if (new_data >= *prev_stat)
*cur_stat += new_data - *prev_stat;
else
/* to manage the potential roll-over */
*cur_stat += (new_data + BIT_ULL(32)) - *prev_stat;
/* Update the previously stored value to prepare for next read */
*prev_stat = new_data;
}
/**
* ice_sched_query_elem - query element information from HW
* @hw: pointer to the HW struct
* @node_teid: node TEID to be queried
* @buf: buffer to element information
*
* This function queries HW element information
*/
int
ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
struct ice_aqc_txsched_elem_data *buf)
{
u16 buf_size, num_elem_ret = 0;
int status;
buf_size = sizeof(*buf);
memset(buf, 0, buf_size);
buf->node_teid = cpu_to_le32(node_teid);
status = ice_aq_query_sched_elems(hw, 1, buf, buf_size, &num_elem_ret,
NULL);
if (status || num_elem_ret != 1)
ice_debug(hw, ICE_DBG_SCHED, "query element failed\n");
return status;
}
/**
* ice_aq_read_i2c
* @hw: pointer to the hw struct
* @topo_addr: topology address for a device to communicate with
* @bus_addr: 7-bit I2C bus address
* @addr: I2C memory address (I2C offset) with up to 16 bits
* @params: I2C parameters: bit [7] - Repeated start,
* bits [6:5] data offset size,
* bit [4] - I2C address type,
* bits [3:0] - data size to read (0-16 bytes)
* @data: pointer to data (0 to 16 bytes) to be read from the I2C device
* @cd: pointer to command details structure or NULL
*
* Read I2C (0x06E2)
*/
int
ice_aq_read_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
u16 bus_addr, __le16 addr, u8 params, u8 *data,
struct ice_sq_cd *cd)
{
struct ice_aq_desc desc = { 0 };
struct ice_aqc_i2c *cmd;
u8 data_size;
int status;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_read_i2c);
cmd = &desc.params.read_write_i2c;
if (!data)
return -EINVAL;
data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params);
cmd->i2c_bus_addr = cpu_to_le16(bus_addr);
cmd->topo_addr = topo_addr;
cmd->i2c_params = params;
cmd->i2c_addr = addr;
status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
if (!status) {
struct ice_aqc_read_i2c_resp *resp;
u8 i;
resp = &desc.params.read_i2c_resp;
for (i = 0; i < data_size; i++) {
*data = resp->i2c_data[i];
data++;
}
}
return status;
}
/**
* ice_aq_write_i2c
* @hw: pointer to the hw struct
* @topo_addr: topology address for a device to communicate with
* @bus_addr: 7-bit I2C bus address
* @addr: I2C memory address (I2C offset) with up to 16 bits
* @params: I2C parameters: bit [4] - I2C address type, bits [3:0] - data size to write (0-7 bytes)
* @data: pointer to data (0 to 4 bytes) to be written to the I2C device
* @cd: pointer to command details structure or NULL
*
* Write I2C (0x06E3)
*
* * Return:
* * 0 - Successful write to the i2c device
* * -EINVAL - Data size greater than 4 bytes
* * -EIO - FW error
*/
int
ice_aq_write_i2c(struct ice_hw *hw, struct ice_aqc_link_topo_addr topo_addr,
u16 bus_addr, __le16 addr, u8 params, const u8 *data,
struct ice_sq_cd *cd)
{
struct ice_aq_desc desc = { 0 };
struct ice_aqc_i2c *cmd;
u8 data_size;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_write_i2c);
cmd = &desc.params.read_write_i2c;
data_size = FIELD_GET(ICE_AQC_I2C_DATA_SIZE_M, params);
/* data_size limited to 4 */
if (data_size > 4)
return -EINVAL;
cmd->i2c_bus_addr = cpu_to_le16(bus_addr);
cmd->topo_addr = topo_addr;
cmd->i2c_params = params;
cmd->i2c_addr = addr;
memcpy(cmd->i2c_data, data, data_size);
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_set_gpio
* @hw: pointer to the hw struct
* @gpio_ctrl_handle: GPIO controller node handle
* @pin_idx: IO Number of the GPIO that needs to be set
* @value: SW provide IO value to set in the LSB
* @cd: pointer to command details structure or NULL
*
* Sends 0x06EC AQ command to set the GPIO pin state that's part of the topology
*/
int
ice_aq_set_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx, bool value,
struct ice_sq_cd *cd)
{
struct ice_aqc_gpio *cmd;
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_gpio);
cmd = &desc.params.read_write_gpio;
cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle);
cmd->gpio_num = pin_idx;
cmd->gpio_val = value ? 1 : 0;
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
/**
* ice_aq_get_gpio
* @hw: pointer to the hw struct
* @gpio_ctrl_handle: GPIO controller node handle
* @pin_idx: IO Number of the GPIO that needs to be set
* @value: IO value read
* @cd: pointer to command details structure or NULL
*
* Sends 0x06ED AQ command to get the value of a GPIO signal which is part of
* the topology
*/
int
ice_aq_get_gpio(struct ice_hw *hw, u16 gpio_ctrl_handle, u8 pin_idx,
bool *value, struct ice_sq_cd *cd)
{
struct ice_aqc_gpio *cmd;
struct ice_aq_desc desc;
int status;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_gpio);
cmd = &desc.params.read_write_gpio;
cmd->gpio_ctrl_handle = cpu_to_le16(gpio_ctrl_handle);
cmd->gpio_num = pin_idx;
status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
if (status)
return status;
*value = !!cmd->gpio_val;
return 0;
}
/**
* ice_is_fw_api_min_ver
* @hw: pointer to the hardware structure
* @maj: major version
* @min: minor version
* @patch: patch version
*
* Checks if the firmware API is minimum version
*/
static bool ice_is_fw_api_min_ver(struct ice_hw *hw, u8 maj, u8 min, u8 patch)
{
if (hw->api_maj_ver == maj) {
if (hw->api_min_ver > min)
return true;
if (hw->api_min_ver == min && hw->api_patch >= patch)
return true;
} else if (hw->api_maj_ver > maj) {
return true;
}
return false;
}
/**
* ice_fw_supports_link_override
* @hw: pointer to the hardware structure
*
* Checks if the firmware supports link override
*/
bool ice_fw_supports_link_override(struct ice_hw *hw)
{
return ice_is_fw_api_min_ver(hw, ICE_FW_API_LINK_OVERRIDE_MAJ,
ICE_FW_API_LINK_OVERRIDE_MIN,
ICE_FW_API_LINK_OVERRIDE_PATCH);
}
/**
* ice_get_link_default_override
* @ldo: pointer to the link default override struct
* @pi: pointer to the port info struct
*
* Gets the link default override for a port
*/
int
ice_get_link_default_override(struct ice_link_default_override_tlv *ldo,
struct ice_port_info *pi)
{
u16 i, tlv, tlv_len, tlv_start, buf, offset;
struct ice_hw *hw = pi->hw;
int status;
status = ice_get_pfa_module_tlv(hw, &tlv, &tlv_len,
ICE_SR_LINK_DEFAULT_OVERRIDE_PTR);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read link override TLV.\n");
return status;
}
/* Each port has its own config; calculate for our port */
tlv_start = tlv + pi->lport * ICE_SR_PFA_LINK_OVERRIDE_WORDS +
ICE_SR_PFA_LINK_OVERRIDE_OFFSET;
/* link options first */
status = ice_read_sr_word(hw, tlv_start, &buf);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
return status;
}
ldo->options = FIELD_GET(ICE_LINK_OVERRIDE_OPT_M, buf);
ldo->phy_config = (buf & ICE_LINK_OVERRIDE_PHY_CFG_M) >>
ICE_LINK_OVERRIDE_PHY_CFG_S;
/* link PHY config */
offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_FEC_OFFSET;
status = ice_read_sr_word(hw, offset, &buf);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read override phy config.\n");
return status;
}
ldo->fec_options = buf & ICE_LINK_OVERRIDE_FEC_OPT_M;
/* PHY types low */
offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET;
for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
status = ice_read_sr_word(hw, (offset + i), &buf);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
return status;
}
/* shift 16 bits at a time to fill 64 bits */
ldo->phy_type_low |= ((u64)buf << (i * 16));
}
/* PHY types high */
offset = tlv_start + ICE_SR_PFA_LINK_OVERRIDE_PHY_OFFSET +
ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS;
for (i = 0; i < ICE_SR_PFA_LINK_OVERRIDE_PHY_WORDS; i++) {
status = ice_read_sr_word(hw, (offset + i), &buf);
if (status) {
ice_debug(hw, ICE_DBG_INIT, "Failed to read override link options.\n");
return status;
}
/* shift 16 bits at a time to fill 64 bits */
ldo->phy_type_high |= ((u64)buf << (i * 16));
}
return status;
}
/**
* ice_is_phy_caps_an_enabled - check if PHY capabilities autoneg is enabled
* @caps: get PHY capability data
*/
bool ice_is_phy_caps_an_enabled(struct ice_aqc_get_phy_caps_data *caps)
{
if (caps->caps & ICE_AQC_PHY_AN_MODE ||
caps->low_power_ctrl_an & (ICE_AQC_PHY_AN_EN_CLAUSE28 |
ICE_AQC_PHY_AN_EN_CLAUSE73 |
ICE_AQC_PHY_AN_EN_CLAUSE37))
return true;
return false;
}
/**
* ice_aq_set_lldp_mib - Set the LLDP MIB
* @hw: pointer to the HW struct
* @mib_type: Local, Remote or both Local and Remote MIBs
* @buf: pointer to the caller-supplied buffer to store the MIB block
* @buf_size: size of the buffer (in bytes)
* @cd: pointer to command details structure or NULL
*
* Set the LLDP MIB. (0x0A08)
*/
int
ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
struct ice_sq_cd *cd)
{
struct ice_aqc_lldp_set_local_mib *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.lldp_set_mib;
if (buf_size == 0 || !buf)
return -EINVAL;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_set_local_mib);
desc.flags |= cpu_to_le16((u16)ICE_AQ_FLAG_RD);
desc.datalen = cpu_to_le16(buf_size);
cmd->type = mib_type;
cmd->length = cpu_to_le16(buf_size);
return ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
}
/**
* ice_fw_supports_lldp_fltr_ctrl - check NVM version supports lldp_fltr_ctrl
* @hw: pointer to HW struct
*/
bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw)
{
if (hw->mac_type != ICE_MAC_E810)
return false;
return ice_is_fw_api_min_ver(hw, ICE_FW_API_LLDP_FLTR_MAJ,
ICE_FW_API_LLDP_FLTR_MIN,
ICE_FW_API_LLDP_FLTR_PATCH);
}
/**
* ice_lldp_fltr_add_remove - add or remove a LLDP Rx switch filter
* @hw: pointer to HW struct
* @vsi_num: absolute HW index for VSI
* @add: boolean for if adding or removing a filter
*/
int
ice_lldp_fltr_add_remove(struct ice_hw *hw, u16 vsi_num, bool add)
{
struct ice_aqc_lldp_filter_ctrl *cmd;
struct ice_aq_desc desc;
cmd = &desc.params.lldp_filter_ctrl;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_filter_ctrl);
if (add)
cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_ADD;
else
cmd->cmd_flags = ICE_AQC_LLDP_FILTER_ACTION_DELETE;
cmd->vsi_num = cpu_to_le16(vsi_num);
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_lldp_execute_pending_mib - execute LLDP pending MIB request
* @hw: pointer to HW struct
*/
int ice_lldp_execute_pending_mib(struct ice_hw *hw)
{
struct ice_aq_desc desc;
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_lldp_execute_pending_mib);
return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
}
/**
* ice_fw_supports_report_dflt_cfg
* @hw: pointer to the hardware structure
*
* Checks if the firmware supports report default configuration
*/
bool ice_fw_supports_report_dflt_cfg(struct ice_hw *hw)
{
return ice_is_fw_api_min_ver(hw, ICE_FW_API_REPORT_DFLT_CFG_MAJ,
ICE_FW_API_REPORT_DFLT_CFG_MIN,
ICE_FW_API_REPORT_DFLT_CFG_PATCH);
}
/* each of the indexes into the following array match the speed of a return
* value from the list of AQ returned speeds like the range:
* ICE_AQ_LINK_SPEED_10MB .. ICE_AQ_LINK_SPEED_100GB excluding
* ICE_AQ_LINK_SPEED_UNKNOWN which is BIT(15) and maps to BIT(14) in this
* array. The array is defined as 15 elements long because the link_speed
* returned by the firmware is a 16 bit * value, but is indexed
* by [fls(speed) - 1]
*/
static const u32 ice_aq_to_link_speed[] = {
SPEED_10, /* BIT(0) */
SPEED_100,
SPEED_1000,
SPEED_2500,
SPEED_5000,
SPEED_10000,
SPEED_20000,
SPEED_25000,
SPEED_40000,
SPEED_50000,
SPEED_100000, /* BIT(10) */
SPEED_200000,
};
/**
* ice_get_link_speed - get integer speed from table
* @index: array index from fls(aq speed) - 1
*
* Returns: u32 value containing integer speed
*/
u32 ice_get_link_speed(u16 index)
{
if (index >= ARRAY_SIZE(ice_aq_to_link_speed))
return 0;
return ice_aq_to_link_speed[index];
}