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Diffstat (limited to 'sys/dev/ice/ice_iov.c')
| -rw-r--r-- | sys/dev/ice/ice_iov.c | 1856 |
1 files changed, 1856 insertions, 0 deletions
diff --git a/sys/dev/ice/ice_iov.c b/sys/dev/ice/ice_iov.c new file mode 100644 index 000000000000..c5a3e1060e44 --- /dev/null +++ b/sys/dev/ice/ice_iov.c @@ -0,0 +1,1856 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ +/* Copyright (c) 2025, Intel Corporation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * @file ice_iov.c + * @brief Virtualization support functions + * + * Contains functions for enabling and managing PCIe virtual function devices, + * including enabling new VFs, and managing VFs over the virtchnl interface. + */ + +#include "ice_iov.h" + +static struct ice_vf *ice_iov_get_vf(struct ice_softc *sc, int vf_num); +static void ice_iov_ready_vf(struct ice_softc *sc, struct ice_vf *vf); +static void ice_reset_vf(struct ice_softc *sc, struct ice_vf *vf, + bool trigger_vflr); +static void ice_iov_setup_intr_mapping(struct ice_softc *sc, struct ice_vf *vf); + +static void ice_vc_version_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_get_vf_res_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_add_eth_addr_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_del_eth_addr_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static bool ice_vc_isvalid_ring_len(u16 ring_len); +static void ice_vc_cfg_vsi_qs_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_cfg_rss_key_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_set_rss_hena_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_enable_queues_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_notify_vf_link_state(struct ice_softc *sc, struct ice_vf *vf); +static void ice_vc_disable_queues_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_cfg_irq_map_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_get_stats_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_eth_stats_to_virtchnl_eth_stats(struct ice_eth_stats *istats, + struct virtchnl_eth_stats *vstats); +static void ice_vc_cfg_rss_lut_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_cfg_promisc_mode_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_add_vlan_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static void ice_vc_del_vlan_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf); +static enum virtchnl_status_code ice_iov_err_to_virt_err(int ice_err); +static int ice_vf_validate_mac(struct ice_vf *vf, const uint8_t *addr); + +/** + * ice_iov_attach - Initialize SR-IOV PF host support + * @sc: device softc structure + * + * Initialize SR-IOV PF host support at the end of the driver attach process. + * + * @pre Must be called from sleepable context (calls malloc() w/ M_WAITOK) + * + * @returns 0 if successful, or + * - ENOMEM if there is no memory for the PF/VF schemas or iov device + * - ENXIO if the device isn't PCI-E or doesn't support the same SR-IOV + * version as the kernel + * - ENOENT if the device doesn't have the SR-IOV capability + */ +int +ice_iov_attach(struct ice_softc *sc) +{ + device_t dev = sc->dev; + nvlist_t *pf_schema, *vf_schema; + int error; + + pf_schema = pci_iov_schema_alloc_node(); + vf_schema = pci_iov_schema_alloc_node(); + + pci_iov_schema_add_unicast_mac(vf_schema, "mac-addr", 0, NULL); + pci_iov_schema_add_bool(vf_schema, "mac-anti-spoof", + IOV_SCHEMA_HASDEFAULT, TRUE); + pci_iov_schema_add_bool(vf_schema, "allow-set-mac", + IOV_SCHEMA_HASDEFAULT, FALSE); + pci_iov_schema_add_bool(vf_schema, "allow-promisc", + IOV_SCHEMA_HASDEFAULT, FALSE); + pci_iov_schema_add_uint16(vf_schema, "num-queues", + IOV_SCHEMA_HASDEFAULT, ICE_DEFAULT_VF_QUEUES); + pci_iov_schema_add_uint16(vf_schema, "mirror-src-vsi", + IOV_SCHEMA_HASDEFAULT, ICE_INVALID_MIRROR_VSI); + pci_iov_schema_add_uint16(vf_schema, "max-vlan-allowed", + IOV_SCHEMA_HASDEFAULT, ICE_DEFAULT_VF_VLAN_LIMIT); + pci_iov_schema_add_uint16(vf_schema, "max-mac-filters", + IOV_SCHEMA_HASDEFAULT, ICE_DEFAULT_VF_FILTER_LIMIT); + + error = pci_iov_attach(dev, pf_schema, vf_schema); + if (error != 0) { + device_printf(dev, + "pci_iov_attach failed (error=%s)\n", + ice_err_str(error)); + ice_clear_bit(ICE_FEATURE_SRIOV, sc->feat_en); + } else + ice_set_bit(ICE_FEATURE_SRIOV, sc->feat_en); + + return (error); +} + +/** + * ice_iov_detach - Teardown SR-IOV PF host support + * @sc: device softc structure + * + * Teardown SR-IOV PF host support at the start of the driver detach process. + * + * @returns 0 if successful or IOV support hasn't been setup, or + * - EBUSY if VFs still exist + */ +int +ice_iov_detach(struct ice_softc *sc) +{ + device_t dev = sc->dev; + int error; + + error = pci_iov_detach(dev); + if (error != 0) { + device_printf(dev, + "pci_iov_detach failed (error=%s)\n", + ice_err_str(error)); + } + + return (error); +} + +/** + * ice_iov_init - Called by the OS before the first VF is created. + * @sc: device softc structure + * @num_vfs: number of VFs to setup resources for + * @params: configuration parameters for the PF + * + * @returns 0 if successful or an error code on failure + */ +int +ice_iov_init(struct ice_softc *sc, uint16_t num_vfs, const nvlist_t *params __unused) +{ + /* Allocate array of VFs, for tracking */ + sc->vfs = (struct ice_vf *)malloc(sizeof(struct ice_vf) * num_vfs, M_ICE, M_NOWAIT | + M_ZERO); + if (sc->vfs == NULL) + return (ENOMEM); + + /* Initialize each VF with basic information */ + for (int i = 0; i < num_vfs; i++) + sc->vfs[i].vf_num = i; + + /* Save off number of configured VFs */ + sc->num_vfs = num_vfs; + + return (0); +} + +/** + * ice_iov_get_vf - Get pointer to VF at given index + * @sc: device softc structure + * @vf_num: Index of VF to retrieve + * + * @remark will throw an assertion if vf_num is not in the + * range of allocated VFs + * + * @returns a pointer to the VF structure at the given index + */ +static struct ice_vf * +ice_iov_get_vf(struct ice_softc *sc, int vf_num) +{ + MPASS(vf_num < sc->num_vfs); + + return &sc->vfs[vf_num]; +} + +/** + * ice_iov_add_vf - Called by the OS for each VF to create + * @sc: device softc structure + * @vfnum: index of VF to configure + * @params: configuration parameters for the VF + * + * @returns 0 if successful or an error code on failure + */ +int +ice_iov_add_vf(struct ice_softc *sc, uint16_t vfnum, const nvlist_t *params) +{ + struct ice_tx_queue *txq; + struct ice_rx_queue *rxq; + device_t dev = sc->dev; + struct ice_vsi *vsi; + struct ice_vf *vf; + int vf_num_queues; + const void *mac; + size_t size; + int error; + int i; + + vf = ice_iov_get_vf(sc, vfnum); + vf->vf_flags = VF_FLAG_ENABLED; + + /* This VF needs at least one VSI */ + vsi = ice_alloc_vsi(sc, ICE_VSI_VF); + if (vsi == NULL) + return (ENOMEM); + vf->vsi = vsi; + vsi->vf_num = vfnum; + + vf_num_queues = nvlist_get_number(params, "num-queues"); + /* Validate and clamp value if invalid */ + if (vf_num_queues < 1 || vf_num_queues > ICE_MAX_SCATTERED_QUEUES) + device_printf(dev, "Invalid num-queues (%d) for VF %d\n", + vf_num_queues, vf->vf_num); + if (vf_num_queues < 1) { + device_printf(dev, "Setting VF %d num-queues to 1\n", vf->vf_num); + vf_num_queues = 1; + } else if (vf_num_queues > ICE_MAX_SCATTERED_QUEUES) { + device_printf(dev, "Setting VF %d num-queues to %d\n", + vf->vf_num, ICE_MAX_SCATTERED_QUEUES); + vf_num_queues = ICE_MAX_SCATTERED_QUEUES; + } + vsi->qmap_type = ICE_RESMGR_ALLOC_SCATTERED; + + /* Reserve VF queue allocation from PF queues */ + ice_alloc_vsi_qmap(vsi, vf_num_queues, vf_num_queues); + vsi->num_tx_queues = vsi->num_rx_queues = vf_num_queues; + + /* Assign Tx queues from PF space */ + error = ice_resmgr_assign_scattered(&sc->tx_qmgr, vsi->tx_qmap, + vsi->num_tx_queues); + if (error) { + device_printf(sc->dev, "Unable to assign VF Tx queues: %s\n", + ice_err_str(error)); + goto release_vsi; + } + + /* Assign Rx queues from PF space */ + error = ice_resmgr_assign_scattered(&sc->rx_qmgr, vsi->rx_qmap, + vsi->num_rx_queues); + if (error) { + device_printf(sc->dev, "Unable to assign VF Rx queues: %s\n", + ice_err_str(error)); + goto release_vsi; + } + + vsi->max_frame_size = ICE_MAX_FRAME_SIZE; + + /* Allocate queue structure memory */ + vsi->tx_queues = (struct ice_tx_queue *) + malloc(sizeof(struct ice_tx_queue) * vsi->num_tx_queues, M_ICE, + M_NOWAIT | M_ZERO); + if (!vsi->tx_queues) { + device_printf(sc->dev, "VF-%d: Unable to allocate Tx queue memory\n", + vfnum); + error = ENOMEM; + goto release_vsi; + } + for (i = 0, txq = vsi->tx_queues; i < vsi->num_tx_queues; i++, txq++) { + txq->me = i; + txq->vsi = vsi; + } + + /* Allocate queue structure memory */ + vsi->rx_queues = (struct ice_rx_queue *) + malloc(sizeof(struct ice_rx_queue) * vsi->num_rx_queues, M_ICE, + M_NOWAIT | M_ZERO); + if (!vsi->rx_queues) { + device_printf(sc->dev, "VF-%d: Unable to allocate Rx queue memory\n", + vfnum); + error = ENOMEM; + goto free_txqs; + } + for (i = 0, rxq = vsi->rx_queues; i < vsi->num_rx_queues; i++, rxq++) { + rxq->me = i; + rxq->vsi = vsi; + } + + /* Allocate space to store the IRQ vector data */ + vf->num_irq_vectors = vf_num_queues + 1; + vf->tx_irqvs = (struct ice_irq_vector *) + malloc(sizeof(struct ice_irq_vector) * (vf->num_irq_vectors), + M_ICE, M_NOWAIT); + if (!vf->tx_irqvs) { + device_printf(sc->dev, + "Unable to allocate TX irqv memory for VF-%d's %d vectors\n", + vfnum, vf->num_irq_vectors); + error = ENOMEM; + goto free_rxqs; + } + vf->rx_irqvs = (struct ice_irq_vector *) + malloc(sizeof(struct ice_irq_vector) * (vf->num_irq_vectors), + M_ICE, M_NOWAIT); + if (!vf->rx_irqvs) { + device_printf(sc->dev, + "Unable to allocate RX irqv memory for VF-%d's %d vectors\n", + vfnum, vf->num_irq_vectors); + error = ENOMEM; + goto free_txirqvs; + } + + /* Assign VF interrupts from PF space */ + if (!(vf->vf_imap = + (u16 *)malloc(sizeof(u16) * vf->num_irq_vectors, + M_ICE, M_NOWAIT))) { + device_printf(dev, "Unable to allocate VF-%d imap memory\n", vfnum); + error = ENOMEM; + goto free_rxirqvs; + } + error = ice_resmgr_assign_contiguous(&sc->dev_imgr, vf->vf_imap, vf->num_irq_vectors); + if (error) { + device_printf(dev, "Unable to assign VF-%d interrupt mapping: %s\n", + vfnum, ice_err_str(error)); + goto free_imap; + } + + if (nvlist_exists_binary(params, "mac-addr")) { + mac = nvlist_get_binary(params, "mac-addr", &size); + memcpy(vf->mac, mac, ETHER_ADDR_LEN); + + if (nvlist_get_bool(params, "allow-set-mac")) + vf->vf_flags |= VF_FLAG_SET_MAC_CAP; + } else + /* + * If the administrator has not specified a MAC address then + * we must allow the VF to choose one. + */ + vf->vf_flags |= VF_FLAG_SET_MAC_CAP; + + if (nvlist_get_bool(params, "mac-anti-spoof")) + vf->vf_flags |= VF_FLAG_MAC_ANTI_SPOOF; + + if (nvlist_get_bool(params, "allow-promisc")) + vf->vf_flags |= VF_FLAG_PROMISC_CAP; + + vsi->mirror_src_vsi = nvlist_get_number(params, "mirror-src-vsi"); + + vf->vlan_limit = nvlist_get_number(params, "max-vlan-allowed"); + vf->mac_filter_limit = nvlist_get_number(params, "max-mac-filters"); + + vf->vf_flags |= VF_FLAG_VLAN_CAP; + + /* Create and setup VSI in HW */ + error = ice_initialize_vsi(vsi); + if (error) { + device_printf(sc->dev, "Unable to initialize VF %d VSI: %s\n", + vfnum, ice_err_str(error)); + goto release_imap; + } + + /* Add the broadcast address */ + error = ice_add_vsi_mac_filter(vsi, broadcastaddr); + if (error) { + device_printf(sc->dev, "Unable to add broadcast filter VF %d VSI: %s\n", + vfnum, ice_err_str(error)); + goto release_imap; + } + + ice_iov_ready_vf(sc, vf); + + return (0); + +release_imap: + ice_resmgr_release_map(&sc->dev_imgr, vf->vf_imap, + vf->num_irq_vectors); +free_imap: + free(vf->vf_imap, M_ICE); + vf->vf_imap = NULL; +free_rxirqvs: + free(vf->rx_irqvs, M_ICE); + vf->rx_irqvs = NULL; +free_txirqvs: + free(vf->tx_irqvs, M_ICE); + vf->tx_irqvs = NULL; +free_rxqs: + free(vsi->rx_queues, M_ICE); + vsi->rx_queues = NULL; +free_txqs: + free(vsi->tx_queues, M_ICE); + vsi->tx_queues = NULL; +release_vsi: + ice_release_vsi(vsi); + vf->vsi = NULL; + return (error); +} + +/** + * ice_iov_uninit - Called by the OS when VFs are destroyed + * @sc: device softc structure + */ +void +ice_iov_uninit(struct ice_softc *sc) +{ + struct ice_vf *vf; + struct ice_vsi *vsi; + + /* Release per-VF resources */ + for (int i = 0; i < sc->num_vfs; i++) { + vf = &sc->vfs[i]; + vsi = vf->vsi; + + /* Free VF interrupt reservation */ + if (vf->vf_imap) { + free(vf->vf_imap, M_ICE); + vf->vf_imap = NULL; + } + + /* Free queue interrupt mapping trackers */ + if (vf->tx_irqvs) { + free(vf->tx_irqvs, M_ICE); + vf->tx_irqvs = NULL; + } + if (vf->rx_irqvs) { + free(vf->rx_irqvs, M_ICE); + vf->rx_irqvs = NULL; + } + + if (!vsi) + continue; + + /* Free VSI queues */ + if (vsi->tx_queues) { + free(vsi->tx_queues, M_ICE); + vsi->tx_queues = NULL; + } + if (vsi->rx_queues) { + free(vsi->rx_queues, M_ICE); + vsi->rx_queues = NULL; + } + + ice_release_vsi(vsi); + vf->vsi = NULL; + } + + /* Release memory used for VF tracking */ + if (sc->vfs) { + free(sc->vfs, M_ICE); + sc->vfs = NULL; + } + sc->num_vfs = 0; +} + +/** + * ice_iov_handle_vflr - Process VFLR event + * @sc: device softc structure + * + * Identifys which VFs have been reset and re-configure + * them. + */ +void +ice_iov_handle_vflr(struct ice_softc *sc) +{ + struct ice_hw *hw = &sc->hw; + struct ice_vf *vf; + u32 reg, reg_idx, bit_idx; + + for (int i = 0; i < sc->num_vfs; i++) { + vf = &sc->vfs[i]; + + reg_idx = (hw->func_caps.vf_base_id + vf->vf_num) / 32; + bit_idx = (hw->func_caps.vf_base_id + vf->vf_num) % 32; + reg = rd32(hw, GLGEN_VFLRSTAT(reg_idx)); + if (reg & BIT(bit_idx)) + ice_reset_vf(sc, vf, false); + } +} + +/** + * ice_iov_ready_vf - Setup VF interrupts and mark it as ready + * @sc: device softc structure + * @vf: driver's VF structure for the VF to update + * + * Clears VF reset triggering bit, sets up the PF<->VF interrupt + * mapping and marks the VF as active in the HW so that the VF + * driver can use it. + */ +static void +ice_iov_ready_vf(struct ice_softc *sc, struct ice_vf *vf) +{ + struct ice_hw *hw = &sc->hw; + u32 reg; + + /* Clear the triggering bit */ + reg = rd32(hw, VPGEN_VFRTRIG(vf->vf_num)); + reg &= ~VPGEN_VFRTRIG_VFSWR_M; + wr32(hw, VPGEN_VFRTRIG(vf->vf_num), reg); + + /* Setup VF interrupt allocation and mapping */ + ice_iov_setup_intr_mapping(sc, vf); + + /* Indicate to the VF that reset is done */ + wr32(hw, VFGEN_RSTAT(vf->vf_num), VIRTCHNL_VFR_VFACTIVE); + + ice_flush(hw); +} + +/** + * ice_reset_vf - Perform a hardware reset (VFR) on a VF + * @sc: device softc structure + * @vf: driver's VF structure for VF to be reset + * @trigger_vflr: trigger a reset or only handle already executed reset + * + * Performs a VFR for the given VF. This function busy waits until the + * reset completes in the HW, notifies the VF that the reset is done + * by setting a bit in a HW register, then returns. + * + * @remark This also sets up the PF<->VF interrupt mapping and allocations in + * the hardware after the hardware reset is finished, via + * ice_iov_setup_intr_mapping() + */ +static void +ice_reset_vf(struct ice_softc *sc, struct ice_vf *vf, bool trigger_vflr) +{ + u16 global_vf_num, reg_idx, bit_idx; + struct ice_hw *hw = &sc->hw; + int status; + u32 reg; + int i; + + global_vf_num = vf->vf_num + hw->func_caps.vf_base_id; + + if (trigger_vflr) { + reg = rd32(hw, VPGEN_VFRTRIG(vf->vf_num)); + reg |= VPGEN_VFRTRIG_VFSWR_M; + wr32(hw, VPGEN_VFRTRIG(vf->vf_num), reg); + } + + /* clear the VFLR bit for the VF in a GLGEN_VFLRSTAT register */ + reg_idx = (global_vf_num) / 32; + bit_idx = (global_vf_num) % 32; + wr32(hw, GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); + ice_flush(hw); + + /* Wait until there are no pending PCI transactions */ + wr32(hw, PF_PCI_CIAA, + ICE_PCIE_DEV_STATUS | (global_vf_num << PF_PCI_CIAA_VF_NUM_S)); + + for (i = 0; i < ICE_PCI_CIAD_WAIT_COUNT; i++) { + reg = rd32(hw, PF_PCI_CIAD); + if (!(reg & PCIEM_STA_TRANSACTION_PND)) + break; + + DELAY(ICE_PCI_CIAD_WAIT_DELAY_US); + } + if (i == ICE_PCI_CIAD_WAIT_COUNT) + device_printf(sc->dev, + "VF-%d PCI transactions stuck\n", vf->vf_num); + + /* Disable TX queues, which is required during VF reset */ + status = ice_dis_vsi_txq(hw->port_info, vf->vsi->idx, 0, 0, NULL, NULL, + NULL, ICE_VF_RESET, vf->vf_num, NULL); + if (status) + device_printf(sc->dev, + "%s: Failed to disable LAN Tx queues: err %s aq_err %s\n", + __func__, ice_status_str(status), + ice_aq_str(hw->adminq.sq_last_status)); + + /* Then check for the VF reset to finish in HW */ + for (i = 0; i < ICE_VPGEN_VFRSTAT_WAIT_COUNT; i++) { + reg = rd32(hw, VPGEN_VFRSTAT(vf->vf_num)); + if ((reg & VPGEN_VFRSTAT_VFRD_M)) + break; + + DELAY(ICE_VPGEN_VFRSTAT_WAIT_DELAY_US); + } + if (i == ICE_VPGEN_VFRSTAT_WAIT_COUNT) + device_printf(sc->dev, + "VF-%d Reset is stuck\n", vf->vf_num); + + ice_iov_ready_vf(sc, vf); +} + +/** + * ice_vc_get_vf_res_msg - Handle VIRTCHNL_OP_GET_VF_RESOURCES msg from VF + * @sc: device private structure + * @vf: VF tracking structure + * @msg_buf: raw message buffer from the VF + * + * Receives a message from the VF listing its supported capabilities, and + * replies to the VF with information about what resources the PF has + * allocated for the VF. + * + * @remark This always replies to the VF with a success status; it does not + * fail. It's up to the VF driver to reject or complain about the PF's response. + */ +static void +ice_vc_get_vf_res_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + struct ice_hw *hw = &sc->hw; + struct virtchnl_vf_resource *vf_res; + struct virtchnl_vsi_resource *vsi_res; + u16 vf_res_len; + u32 vf_caps; + + /* XXX: Only support one VSI per VF, so this size doesn't need adjusting */ + vf_res_len = sizeof(struct virtchnl_vf_resource); + vf_res = (struct virtchnl_vf_resource *)malloc(vf_res_len, M_ICE, + M_WAITOK | M_ZERO); + + vf_res->num_vsis = 1; + vf_res->num_queue_pairs = vf->vsi->num_tx_queues; + vf_res->max_vectors = vf_res->num_queue_pairs + 1; + + vf_res->rss_key_size = ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE; + vf_res->rss_lut_size = ICE_VSIQF_HLUT_ARRAY_SIZE; + vf_res->max_mtu = 0; + + vf_res->vf_cap_flags = VF_BASE_MODE_OFFLOADS; + if (msg_buf != NULL) { + vf_caps = *((u32 *)(msg_buf)); + + if (vf_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) + vf_res->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED; + + if (vf_caps & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) + vf_res->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_WB_ON_ITR; + } + + vsi_res = &vf_res->vsi_res[0]; + vsi_res->vsi_id = vf->vsi->idx; + vsi_res->num_queue_pairs = vf->vsi->num_tx_queues; + vsi_res->vsi_type = VIRTCHNL_VSI_SRIOV; + vsi_res->qset_handle = 0; + if (!ETHER_IS_ZERO(vf->mac)) + memcpy(vsi_res->default_mac_addr, vf->mac, ETHER_ADDR_LEN); + + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_GET_VF_RESOURCES, + VIRTCHNL_STATUS_SUCCESS, (u8 *)vf_res, vf_res_len, NULL); + + free(vf_res, M_ICE); +} + +/** + * ice_vc_version_msg - Handle VIRTCHNL_OP_VERSION msg from VF + * @sc: device private structure + * @vf: VF tracking structure + * @msg_buf: raw message buffer from the VF + * + * Receives a version message from the VF, and responds to the VF with + * the version number that the PF will use. + * + * @remark This always replies to the VF with a success status; it does not + * fail. + */ +static void +ice_vc_version_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + struct virtchnl_version_info *recv_vf_version; + struct ice_hw *hw = &sc->hw; + device_t dev = sc->dev; + + recv_vf_version = (struct virtchnl_version_info *)msg_buf; + + /* VFs running the 1.0 API expect to get 1.0 back */ + if (VF_IS_V10(recv_vf_version)) { + vf->version.major = 1; + vf->version.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS; + } else { + vf->version.major = VIRTCHNL_VERSION_MAJOR; + vf->version.minor = VIRTCHNL_VERSION_MINOR; + + if ((recv_vf_version->major != VIRTCHNL_VERSION_MAJOR) || + (recv_vf_version->minor != VIRTCHNL_VERSION_MINOR)) + device_printf(dev, + "%s: VF-%d requested version (%d.%d) differs from PF version (%d.%d)\n", + __func__, vf->vf_num, + recv_vf_version->major, recv_vf_version->minor, + VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR); + } + + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_VERSION, + VIRTCHNL_STATUS_SUCCESS, (u8 *)&vf->version, sizeof(vf->version), + NULL); +} + +/** + * ice_vf_validate_mac - Validate MAC address before adding it + * @vf: VF tracking structure + * @addr: MAC address to validate + * + * Validate a MAC address before adding it to a VF during the handling + * of a VIRTCHNL_OP_ADD_ETH_ADDR operation. Notably, this also checks if + * the VF is allowed to set its own arbitrary MAC addresses. + * + * Returns 0 if MAC address is valid for the given vf + */ +static int +ice_vf_validate_mac(struct ice_vf *vf, const uint8_t *addr) +{ + + if (ETHER_IS_ZERO(addr) || ETHER_IS_BROADCAST(addr)) + return (EINVAL); + + /* + * If the VF is not allowed to change its MAC address, don't let it + * set a MAC filter for an address that is not a multicast address and + * is not its assigned MAC. + */ + if (!(vf->vf_flags & VF_FLAG_SET_MAC_CAP) && + !(ETHER_IS_MULTICAST(addr) || !bcmp(addr, vf->mac, ETHER_ADDR_LEN))) + return (EPERM); + + return (0); +} + +/** + * ice_vc_add_eth_addr_msg - Handle VIRTCHNL_OP_ADD_ETH_ADDR msg from VF + * @sc: device private structure + * @vf: VF tracking structure + * @msg_buf: raw message buffer from the VF + * + * Receives a list of MAC addresses from the VF and adds those addresses + * to the VSI's filter list. + */ +static void +ice_vc_add_eth_addr_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + struct virtchnl_ether_addr_list *addr_list; + struct ice_hw *hw = &sc->hw; + u16 added_addr_cnt = 0; + int error = 0; + + addr_list = (struct virtchnl_ether_addr_list *)msg_buf; + + if (addr_list->num_elements > + (vf->mac_filter_limit - vf->mac_filter_cnt)) { + v_status = VIRTCHNL_STATUS_ERR_NO_MEMORY; + goto done; + } + + for (int i = 0; i < addr_list->num_elements; i++) { + u8 *addr = addr_list->list[i].addr; + + /* The type flag is currently ignored; every MAC address is + * treated as the LEGACY type + */ + + error = ice_vf_validate_mac(vf, addr); + if (error == EPERM) { + device_printf(sc->dev, + "%s: VF-%d: Not permitted to add MAC addr for VSI %d\n", + __func__, vf->vf_num, vf->vsi->idx); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + continue; + } else if (error) { + device_printf(sc->dev, + "%s: VF-%d: Did not add invalid MAC addr for VSI %d\n", + __func__, vf->vf_num, vf->vsi->idx); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + continue; + } + + error = ice_add_vsi_mac_filter(vf->vsi, addr); + if (error) { + device_printf(sc->dev, + "%s: VF-%d: Error adding MAC addr for VSI %d\n", + __func__, vf->vf_num, vf->vsi->idx); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + continue; + } + /* Don't count VF's MAC against its MAC filter limit */ + if (memcmp(addr, vf->mac, ETHER_ADDR_LEN)) + added_addr_cnt++; + } + + vf->mac_filter_cnt += added_addr_cnt; + +done: + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_ADD_ETH_ADDR, + v_status, NULL, 0, NULL); +} + +/** + * ice_vc_del_eth_addr_msg - Handle VIRTCHNL_OP_DEL_ETH_ADDR msg from VF + * @sc: device private structure + * @vf: VF tracking structure + * @msg_buf: raw message buffer from the VF + * + * Receives a list of MAC addresses from the VF and removes those addresses + * from the VSI's filter list. + */ +static void +ice_vc_del_eth_addr_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + struct virtchnl_ether_addr_list *addr_list; + struct ice_hw *hw = &sc->hw; + u16 deleted_addr_cnt = 0; + int error = 0; + + addr_list = (struct virtchnl_ether_addr_list *)msg_buf; + + for (int i = 0; i < addr_list->num_elements; i++) { + error = ice_remove_vsi_mac_filter(vf->vsi, addr_list->list[i].addr); + if (error) { + device_printf(sc->dev, + "%s: VF-%d: Error removing MAC addr for VSI %d\n", + __func__, vf->vf_num, vf->vsi->idx); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + continue; + } + /* Don't count VF's MAC against its MAC filter limit */ + if (memcmp(addr_list->list[i].addr, vf->mac, ETHER_ADDR_LEN)) + deleted_addr_cnt++; + } + + if (deleted_addr_cnt >= vf->mac_filter_cnt) + vf->mac_filter_cnt = 0; + else + vf->mac_filter_cnt -= deleted_addr_cnt; + + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_DEL_ETH_ADDR, + v_status, NULL, 0, NULL); +} + +/** + * ice_vc_add_vlan_msg - Handle VIRTCHNL_OP_ADD_VLAN msg from VF + * @sc: PF's softc structure + * @vf: VF tracking structure + * @msg_buf: message buffer from VF + * + * Adds the VLANs in msg_buf to the VF's VLAN filter list. + */ +static void +ice_vc_add_vlan_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + struct ice_hw *hw = &sc->hw; + struct virtchnl_vlan_filter_list *vlan_list; + int status = 0; + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + struct ice_vsi *vsi = vf->vsi; + + vlan_list = (struct virtchnl_vlan_filter_list *)msg_buf; + + if (vlan_list->vsi_id != vsi->idx) { + device_printf(sc->dev, + "VF-%d: Message has invalid VSI ID (expected %d, got %d)\n", + vf->vf_num, vsi->idx, vlan_list->vsi_id); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + if (vlan_list->num_elements > (vf->vlan_limit - vf->vlan_cnt)) { + v_status = VIRTCHNL_STATUS_ERR_NO_MEMORY; + goto done; + } + + status = ice_add_vlan_hw_filters(vsi, vlan_list->vlan_id, + vlan_list->num_elements); + if (status) { + device_printf(sc->dev, + "VF-%d: Failure adding VLANs to VSI %d, err %s aq_err %s\n", + vf->vf_num, vsi->idx, ice_status_str(status), + ice_aq_str(sc->hw.adminq.sq_last_status)); + v_status = ice_iov_err_to_virt_err(status); + goto done; + } + + vf->vlan_cnt += vlan_list->num_elements; + +done: + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_ADD_VLAN, + v_status, NULL, 0, NULL); +} + +/** + * ice_vc_del_vlan_msg - Handle VIRTCHNL_OP_DEL_VLAN msg from VF + * @sc: PF's softc structure + * @vf: VF tracking structure + * @msg_buf: message buffer from VF + * + * Removes the VLANs in msg_buf from the VF's VLAN filter list. + */ +static void +ice_vc_del_vlan_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + struct ice_hw *hw = &sc->hw; + struct virtchnl_vlan_filter_list *vlan_list; + int status = 0; + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + struct ice_vsi *vsi = vf->vsi; + + vlan_list = (struct virtchnl_vlan_filter_list *)msg_buf; + + if (vlan_list->vsi_id != vsi->idx) { + device_printf(sc->dev, + "VF-%d: Message has invalid VSI ID (expected %d, got %d)\n", + vf->vf_num, vsi->idx, vlan_list->vsi_id); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + status = ice_remove_vlan_hw_filters(vsi, vlan_list->vlan_id, + vlan_list->num_elements); + if (status) { + device_printf(sc->dev, + "VF-%d: Failure deleting VLANs from VSI %d, err %s aq_err %s\n", + vf->vf_num, vsi->idx, ice_status_str(status), + ice_aq_str(sc->hw.adminq.sq_last_status)); + v_status = ice_iov_err_to_virt_err(status); + goto done; + } + + if (vlan_list->num_elements >= vf->vlan_cnt) + vf->vlan_cnt = 0; + else + vf->vlan_cnt -= vlan_list->num_elements; + +done: + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_DEL_VLAN, + v_status, NULL, 0, NULL); +} + +/** + * ice_vc_validate_ring_len - Check to see if a descriptor ring length is valid + * @ring_len: length of ring + * + * Check whether a ring size value is valid. + * + * @returns true if given ring size is valid + */ +static bool +ice_vc_isvalid_ring_len(u16 ring_len) +{ + return (ring_len >= ICE_MIN_DESC_COUNT && + ring_len <= ICE_MAX_DESC_COUNT && + !(ring_len % ICE_DESC_COUNT_INCR)); +} + +/** + * ice_vc_cfg_vsi_qs_msg - Handle VIRTCHNL_OP_CONFIG_VSI_QUEUES msg from VF + * @sc: PF's softc structure + * @vf: VF tracking structure + * @msg_buf: message buffer from VF + */ +static void +ice_vc_cfg_vsi_qs_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + device_t dev = sc->dev; + struct ice_hw *hw = &sc->hw; + struct virtchnl_vsi_queue_config_info *vqci; + struct virtchnl_queue_pair_info *vqpi; + enum virtchnl_status_code status = VIRTCHNL_STATUS_SUCCESS; + struct ice_vsi *vsi = vf->vsi; + struct ice_tx_queue *txq; + struct ice_rx_queue *rxq; + int i, error = 0; + + vqci = (struct virtchnl_vsi_queue_config_info *)msg_buf; + + if (vqci->num_queue_pairs > vf->vsi->num_tx_queues && + vqci->num_queue_pairs > vf->vsi->num_rx_queues) { + status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + ice_vsi_disable_tx(vf->vsi); + ice_control_all_rx_queues(vf->vsi, false); + + /* + * Clear TX and RX queues config in case VF + * requests different number of queues. + */ + for (i = 0; i < vsi->num_tx_queues; i++) { + txq = &vsi->tx_queues[i]; + + txq->desc_count = 0; + txq->tx_paddr = 0; + txq->tc = 0; + } + + for (i = 0; i < vsi->num_rx_queues; i++) { + rxq = &vsi->rx_queues[i]; + + rxq->desc_count = 0; + rxq->rx_paddr = 0; + } + + vqpi = vqci->qpair; + for (i = 0; i < vqci->num_queue_pairs; i++, vqpi++) { + /* Initial parameter validation */ + if (vqpi->txq.vsi_id != vf->vsi->idx || + vqpi->rxq.vsi_id != vf->vsi->idx || + vqpi->txq.queue_id != vqpi->rxq.queue_id || + vqpi->txq.headwb_enabled || + vqpi->rxq.splithdr_enabled || + vqpi->rxq.crc_disable || + !(ice_vc_isvalid_ring_len(vqpi->txq.ring_len)) || + !(ice_vc_isvalid_ring_len(vqpi->rxq.ring_len))) { + status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + /* Copy parameters into VF's queue/VSI structs */ + txq = &vsi->tx_queues[vqpi->txq.queue_id]; + + txq->desc_count = vqpi->txq.ring_len; + txq->tx_paddr = vqpi->txq.dma_ring_addr; + txq->q_handle = vqpi->txq.queue_id; + txq->tc = 0; + + rxq = &vsi->rx_queues[vqpi->rxq.queue_id]; + + rxq->desc_count = vqpi->rxq.ring_len; + rxq->rx_paddr = vqpi->rxq.dma_ring_addr; + vsi->mbuf_sz = vqpi->rxq.databuffer_size; + } + + /* Configure TX queues in HW */ + error = ice_cfg_vsi_for_tx(vsi); + if (error) { + device_printf(dev, + "VF-%d: Unable to configure VSI for Tx: %s\n", + vf->vf_num, ice_err_str(error)); + status = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; + goto done; + } + + /* Configure RX queues in HW */ + error = ice_cfg_vsi_for_rx(vsi); + if (error) { + device_printf(dev, + "VF-%d: Unable to configure VSI for Rx: %s\n", + vf->vf_num, ice_err_str(error)); + status = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; + ice_vsi_disable_tx(vsi); + goto done; + } + +done: + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_CONFIG_VSI_QUEUES, + status, NULL, 0, NULL); +} + +/** + * ice_vc_cfg_rss_key_msg - Handle VIRTCHNL_OP_CONFIG_RSS_KEY msg from VF + * @sc: PF's softc structure + * @vf: VF tracking structure + * @msg_buf: message buffer from VF + * + * Sets the RSS key for the given VF, using the contents of msg_buf. + */ +static void +ice_vc_cfg_rss_key_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + struct ice_aqc_get_set_rss_keys keydata = + { .standard_rss_key = {0}, .extended_hash_key = {0} }; + struct ice_hw *hw = &sc->hw; + struct virtchnl_rss_key *vrk; + int status = 0; + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + struct ice_vsi *vsi = vf->vsi; + + vrk = (struct virtchnl_rss_key *)msg_buf; + + if (vrk->vsi_id != vsi->idx) { + device_printf(sc->dev, + "VF-%d: Message has invalid VSI ID (expected %d, got %d)\n", + vf->vf_num, vsi->idx, vrk->vsi_id); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + if ((vrk->key_len > + (ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE + + ICE_AQC_GET_SET_RSS_KEY_DATA_HASH_KEY_SIZE)) || + vrk->key_len == 0) { + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + memcpy(&keydata, vrk->key, vrk->key_len); + + status = ice_aq_set_rss_key(hw, vsi->idx, &keydata); + if (status) { + device_printf(sc->dev, + "ice_aq_set_rss_key status %s, error %s\n", + ice_status_str(status), ice_aq_str(hw->adminq.sq_last_status)); + v_status = ice_iov_err_to_virt_err(status); + goto done; + } + +done: + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_CONFIG_RSS_KEY, + v_status, NULL, 0, NULL); +} + +/** + * ice_vc_cfg_rss_lut_msg - Handle VIRTCHNL_OP_CONFIG_RSS_LUT msg from VF + * @sc: PF's softc structure + * @vf: VF tracking structure + * @msg_buf: message buffer from VF + * + * Adds the LUT from the VF in msg_buf to the PF via an admin queue call. + */ +static void +ice_vc_cfg_rss_lut_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + struct ice_hw *hw = &sc->hw; + struct virtchnl_rss_lut *vrl; + int status = 0; + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + struct ice_aq_get_set_rss_lut_params lut_params = {}; + struct ice_vsi *vsi = vf->vsi; + + vrl = (struct virtchnl_rss_lut *)msg_buf; + + if (vrl->vsi_id != vsi->idx) { + device_printf(sc->dev, + "VF-%d: Message has invalid VSI ID (expected %d, got %d)\n", + vf->vf_num, vsi->idx, vrl->vsi_id); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + if (vrl->lut_entries > ICE_VSIQF_HLUT_ARRAY_SIZE) { + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + lut_params.vsi_handle = vsi->idx; + lut_params.lut_size = vsi->rss_table_size; + lut_params.lut_type = vsi->rss_lut_type; + lut_params.lut = vrl->lut; + lut_params.global_lut_id = 0; + + status = ice_aq_set_rss_lut(hw, &lut_params); + if (status) { + device_printf(sc->dev, + "VF-%d: Cannot set RSS lut, err %s aq_err %s\n", + vf->vf_num, ice_status_str(status), + ice_aq_str(hw->adminq.sq_last_status)); + v_status = ice_iov_err_to_virt_err(status); + } + +done: + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_CONFIG_RSS_LUT, + v_status, NULL, 0, NULL); +} + +/** + * ice_vc_set_rss_hena_msg - Handle VIRTCHNL_OP_SET_RSS_HENA msg from VF + * @sc: PF's softc structure + * @vf: VF tracking structure + * @msg_buf: message buffer from VF + * + * Adds the VF's hena (hash enable) bits as flow types to the PF's RSS flow + * type list. + */ +static void +ice_vc_set_rss_hena_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + struct ice_hw *hw = &sc->hw; + struct virtchnl_rss_hena *vrh; + int status = 0; + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + struct ice_vsi *vsi = vf->vsi; + + MPASS(vsi != NULL); + + vrh = (struct virtchnl_rss_hena *)msg_buf; + + /* + * Remove existing configuration to make sure only requested + * config is applied and allow VFs to disable RSS completly. + */ + status = ice_rem_vsi_rss_cfg(hw, vsi->idx); + if (vrh->hena) { + /* + * Problem with removing config is not fatal, when new one + * is requested. Warn about it but try to apply new config + * anyway. + */ + if (status) + device_printf(sc->dev, + "ice_rem_vsi_rss_cfg status %s, error %s\n", + ice_status_str(status), + ice_aq_str(hw->adminq.sq_last_status)); + status = ice_add_avf_rss_cfg(hw, vsi->idx, vrh->hena); + if (status) + device_printf(sc->dev, + "ice_add_avf_rss_cfg status %s, error %s\n", + ice_status_str(status), + ice_aq_str(hw->adminq.sq_last_status)); + } + v_status = ice_iov_err_to_virt_err(status); + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_SET_RSS_HENA, + v_status, NULL, 0, NULL); +} + +/** + * ice_vc_enable_queues_msg - Handle VIRTCHNL_OP_ENABLE_QUEUES msg from VF + * @sc: PF's softc structure + * @vf: VF tracking structure + * @msg_buf: message buffer from VF + * + * Enables VF queues selected in msg_buf for Tx/Rx traffic. + * + * @remark Only actually operates on Rx queues; Tx queues are enabled in + * CONFIG_VSI_QUEUES message handler. + */ +static void +ice_vc_enable_queues_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + struct ice_hw *hw = &sc->hw; + struct virtchnl_queue_select *vqs; + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + struct ice_vsi *vsi = vf->vsi; + int bit, error = 0; + + vqs = (struct virtchnl_queue_select *)msg_buf; + + if (vqs->vsi_id != vsi->idx) { + device_printf(sc->dev, + "%s: VF-%d: Message has invalid VSI ID (expected %d, got %d)\n", + __func__, vf->vf_num, vsi->idx, vqs->vsi_id); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + if (!vqs->rx_queues && !vqs->tx_queues) { + device_printf(sc->dev, + "%s: VF-%d: message queue masks are empty\n", + __func__, vf->vf_num); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + /* Validate rx_queue mask */ + bit = fls(vqs->rx_queues); + if (bit > vsi->num_rx_queues) { + device_printf(sc->dev, + "%s: VF-%d: message's rx_queues map (0x%08x) has invalid bit set (%d)\n", + __func__, vf->vf_num, vqs->rx_queues, bit); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + /* Tx ring enable is handled in an earlier message. */ + for_each_set_bit(bit, &vqs->rx_queues, 32) { + error = ice_control_rx_queue(vsi, bit, true); + if (error) { + device_printf(sc->dev, + "Unable to enable Rx ring %d for receive: %s\n", + bit, ice_err_str(error)); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + } + +done: + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_ENABLE_QUEUES, + v_status, NULL, 0, NULL); +} + +/** + * ice_vc_disable_queues_msg - Handle VIRTCHNL_OP_DISABLE_QUEUES msg + * @sc: PF's softc structure + * @vf: VF tracking structure + * @msg_buf: message buffer from VF + * + * Disables all VF queues for the VF's VSI. + * + * @remark Unlike the ENABLE_QUEUES handler, this operates on both + * Tx and Rx queues + */ +static void +ice_vc_disable_queues_msg(struct ice_softc *sc, struct ice_vf *vf, + u8 *msg_buf __unused) +{ + struct ice_hw *hw = &sc->hw; + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + struct ice_vsi *vsi = vf->vsi; + int error = 0; + + error = ice_control_all_rx_queues(vsi, false); + if (error) { + device_printf(sc->dev, + "Unable to disable Rx rings for transmit: %s\n", + ice_err_str(error)); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + error = ice_vsi_disable_tx(vsi); + if (error) { + /* Already prints an error message */ + v_status = VIRTCHNL_STATUS_ERR_PARAM; + } + +done: + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_DISABLE_QUEUES, + v_status, NULL, 0, NULL); +} + +/** + * ice_vc_cfg_irq_map_msg - Handle VIRTCHNL_OP_CFG_IRQ_MAP msg from VF + * @sc: PF's softc structure + * @vf: VF tracking structure + * @msg_buf: message buffer from VF + * + * Configures the interrupt vectors described in the message in msg_buf. The + * VF needs to send this message during init, so that queues can be allowed + * to generate interrupts. + */ +static void +ice_vc_cfg_irq_map_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ +#define ICE_VIRTCHNL_QUEUE_MAP_SIZE 16 + struct ice_hw *hw = &sc->hw; + struct virtchnl_irq_map_info *vimi; + struct virtchnl_vector_map *vvm; + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + struct ice_vsi *vsi = vf->vsi; + u16 vector; + + vimi = (struct virtchnl_irq_map_info *)msg_buf; + + if (vimi->num_vectors > vf->num_irq_vectors) { + device_printf(sc->dev, + "%s: VF-%d: message has more vectors (%d) than configured for VF (%d)\n", + __func__, vf->vf_num, vimi->num_vectors, vf->num_irq_vectors); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + vvm = vimi->vecmap; + /* Save off information from message */ + for (int i = 0; i < vimi->num_vectors; i++, vvm++) { + struct ice_tx_queue *txq; + struct ice_rx_queue *rxq; + int bit; + + if (vvm->vsi_id != vf->vsi->idx) { + device_printf(sc->dev, + "%s: VF-%d: message's VSI ID (%d) does not match VF's (%d) for vector %d\n", + __func__, vf->vf_num, vvm->vsi_id, vf->vsi->idx, i); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + /* vvm->vector_id is relative to VF space */ + vector = vvm->vector_id; + + if (vector >= vf->num_irq_vectors) { + device_printf(sc->dev, + "%s: VF-%d: message's vector ID (%d) is greater than VF's max ID (%d)\n", + __func__, vf->vf_num, vector, vf->num_irq_vectors - 1); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + /* The Misc/Admin Queue vector doesn't need mapping */ + if (vector == 0) + continue; + + /* coverity[address_of] */ + for_each_set_bit(bit, &vvm->txq_map, ICE_VIRTCHNL_QUEUE_MAP_SIZE) { + if (bit >= vsi->num_tx_queues) { + device_printf(sc->dev, + "%s: VF-%d: txq map has invalid bit set\n", + __func__, vf->vf_num); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + vf->tx_irqvs[vector].me = vector; + + txq = &vsi->tx_queues[bit]; + txq->irqv = &vf->tx_irqvs[vector]; + txq->itr_idx = vvm->txitr_idx; + } + /* coverity[address_of] */ + for_each_set_bit(bit, &vvm->rxq_map, ICE_VIRTCHNL_QUEUE_MAP_SIZE) { + if (bit >= vsi->num_rx_queues) { + device_printf(sc->dev, + "%s: VF-%d: rxq map has invalid bit set\n", + __func__, vf->vf_num); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + vf->rx_irqvs[vector].me = vector; + + rxq = &vsi->rx_queues[bit]; + rxq->irqv = &vf->rx_irqvs[vector]; + rxq->itr_idx = vvm->rxitr_idx; + } + } + + /* Write to T/RQCTL registers to actually map vectors to queues */ + for (int i = 0; i < vf->vsi->num_rx_queues; i++) + if (vsi->rx_queues[i].irqv != NULL) + ice_configure_rxq_interrupt(hw, vsi->rx_qmap[i], + vsi->rx_queues[i].irqv->me, vsi->rx_queues[i].itr_idx); + + for (int i = 0; i < vf->vsi->num_tx_queues; i++) + if (vsi->tx_queues[i].irqv != NULL) + ice_configure_txq_interrupt(hw, vsi->tx_qmap[i], + vsi->tx_queues[i].irqv->me, vsi->tx_queues[i].itr_idx); + + ice_flush(hw); + +done: + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_CONFIG_IRQ_MAP, + v_status, NULL, 0, NULL); +} + +/** + * ice_eth_stats_to_virtchnl_eth_stats - Convert stats for virtchnl + * @istats: VSI stats from HW to convert + * @vstats: stats struct to copy to + * + * This function copies all known stats in struct virtchnl_eth_stats from the + * input struct ice_eth_stats to an output struct virtchnl_eth_stats. + * + * @remark These two structure types currently have the same definition up to + * the size of struct virtchnl_eth_stats (on FreeBSD), but that could change + * in the future. + */ +static void +ice_eth_stats_to_virtchnl_eth_stats(struct ice_eth_stats *istats, + struct virtchnl_eth_stats *vstats) +{ + vstats->rx_bytes = istats->rx_bytes; + vstats->rx_unicast = istats->rx_unicast; + vstats->rx_multicast = istats->rx_multicast; + vstats->rx_broadcast = istats->rx_broadcast; + vstats->rx_discards = istats->rx_discards; + vstats->rx_unknown_protocol = istats->rx_unknown_protocol; + vstats->tx_bytes = istats->tx_bytes; + vstats->tx_unicast = istats->tx_unicast; + vstats->tx_multicast = istats->tx_multicast; + vstats->tx_broadcast = istats->tx_broadcast; + vstats->tx_discards = istats->tx_discards; + vstats->tx_errors = istats->tx_errors; +} + +/** + * ice_vc_get_stats_msg - Handle VIRTCHNL_OP_GET_STATS msg + * @sc: device private structure + * @vf: VF tracking structure + * @msg_buf: raw message buffer from the VF + * + * Updates the VF's VSI stats and sends those stats back to the VF. + */ +static void +ice_vc_get_stats_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + struct virtchnl_queue_select *vqs; + struct virtchnl_eth_stats stats; + struct ice_vsi *vsi = vf->vsi; + struct ice_hw *hw = &sc->hw; + + vqs = (struct virtchnl_queue_select *)msg_buf; + + if (vqs->vsi_id != vsi->idx) { + device_printf(sc->dev, + "%s: VF-%d: message has invalid VSI ID %d (VF has VSI ID %d)\n", + __func__, vf->vf_num, vqs->vsi_id, vsi->idx); + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_GET_STATS, + VIRTCHNL_STATUS_ERR_PARAM, NULL, 0, NULL); + } + + ice_update_vsi_hw_stats(vf->vsi); + ice_eth_stats_to_virtchnl_eth_stats(&vsi->hw_stats.cur, &stats); + + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_GET_STATS, + VIRTCHNL_STATUS_SUCCESS, (u8 *)&stats, + sizeof(struct virtchnl_eth_stats), NULL); +} + +/** + * ice_vc_cfg_promisc_mode_msg - Handle VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE + * @sc: PF's softc structure + * @vf: VF tracking structure + * @msg_buf: message buffer from VF + * + * Configures the promiscuous modes for the given VSI in msg_buf. + */ +static void +ice_vc_cfg_promisc_mode_msg(struct ice_softc *sc, struct ice_vf *vf, u8 *msg_buf) +{ + struct ice_hw *hw = &sc->hw; + struct virtchnl_promisc_info *vpi; + enum virtchnl_status_code v_status = VIRTCHNL_STATUS_SUCCESS; + int status = 0; + struct ice_vsi *vsi = vf->vsi; + ice_declare_bitmap(old_promisc_mask, ICE_PROMISC_MAX); + ice_declare_bitmap(req_promisc_mask, ICE_PROMISC_MAX); + ice_declare_bitmap(clear_promisc_mask, ICE_PROMISC_MAX); + ice_declare_bitmap(set_promisc_mask, ICE_PROMISC_MAX); + ice_declare_bitmap(old_req_xor_mask, ICE_PROMISC_MAX); + u16 vid; + + vpi = (struct virtchnl_promisc_info *)msg_buf; + + /* Check to see if VF has permission to configure promiscuous mode */ + if (!(vf->vf_flags & VF_FLAG_PROMISC_CAP)) { + device_printf(sc->dev, + "VF-%d: attempted to configure promiscuous mode\n", + vf->vf_num); + /* Don't reply to VF with an error */ + goto done; + } + + if (vpi->vsi_id != vsi->idx) { + device_printf(sc->dev, + "VF-%d: Message has invalid VSI ID (expected %d, got %d)\n", + vf->vf_num, vsi->idx, vpi->vsi_id); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + } + + if (vpi->flags & ~ICE_VIRTCHNL_VALID_PROMISC_FLAGS) { + device_printf(sc->dev, + "VF-%d: Message has invalid promiscuous flags set (valid 0x%02x, got 0x%02x)\n", + vf->vf_num, ICE_VIRTCHNL_VALID_PROMISC_FLAGS, + vpi->flags); + v_status = VIRTCHNL_STATUS_ERR_PARAM; + goto done; + + } + + ice_zero_bitmap(req_promisc_mask, ICE_PROMISC_MAX); + /* Convert virtchnl flags to ice AQ promiscuous mode flags */ + if (vpi->flags & FLAG_VF_UNICAST_PROMISC) { + ice_set_bit(ICE_PROMISC_UCAST_TX, req_promisc_mask); + ice_set_bit(ICE_PROMISC_UCAST_RX, req_promisc_mask); + } + if (vpi->flags & FLAG_VF_MULTICAST_PROMISC) { + ice_set_bit(ICE_PROMISC_MCAST_TX, req_promisc_mask); + ice_set_bit(ICE_PROMISC_MCAST_RX, req_promisc_mask); + } + + status = ice_get_vsi_promisc(hw, vsi->idx, old_promisc_mask, &vid); + if (status) { + device_printf(sc->dev, + "VF-%d: Failed to get promiscuous mode mask for VSI %d, err %s aq_err %s\n", + vf->vf_num, vsi->idx, + ice_status_str(status), + ice_aq_str(hw->adminq.sq_last_status)); + v_status = ice_iov_err_to_virt_err(status); + goto done; + } + + /* Figure out what got added and what got removed */ + ice_zero_bitmap(old_req_xor_mask, ICE_PROMISC_MAX); + ice_xor_bitmap(old_req_xor_mask, old_promisc_mask, req_promisc_mask, ICE_PROMISC_MAX); + ice_and_bitmap(clear_promisc_mask, old_req_xor_mask, old_promisc_mask, ICE_PROMISC_MAX); + ice_and_bitmap(set_promisc_mask, old_req_xor_mask, req_promisc_mask, ICE_PROMISC_MAX); + + if (ice_is_any_bit_set(clear_promisc_mask, ICE_PROMISC_MAX)) { + status = ice_clear_vsi_promisc(hw, vsi->idx, + clear_promisc_mask, 0); + if (status) { + device_printf(sc->dev, + "VF-%d: Failed to clear promiscuous mode for VSI %d, err %s aq_err %s\n", + vf->vf_num, vsi->idx, + ice_status_str(status), + ice_aq_str(hw->adminq.sq_last_status)); + v_status = ice_iov_err_to_virt_err(status); + goto done; + } + } + + if (ice_is_any_bit_set(set_promisc_mask, ICE_PROMISC_MAX)) { + status = ice_set_vsi_promisc(hw, vsi->idx, set_promisc_mask, 0); + if (status) { + device_printf(sc->dev, + "VF-%d: Failed to set promiscuous mode for VSI %d, err %s aq_err %s\n", + vf->vf_num, vsi->idx, + ice_status_str(status), + ice_aq_str(hw->adminq.sq_last_status)); + v_status = ice_iov_err_to_virt_err(status); + goto done; + } + } + +done: + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, + v_status, NULL, 0, NULL); +} + +/** + * ice_vc_notify_all_vfs_link_state - Notify all VFs of PF link state + * @sc: device private structure + * + * Sends a message to all VFs about the status of the PF's link + * state. For more details, @see ice_vc_notify_vf_link_state. + */ +void +ice_vc_notify_all_vfs_link_state(struct ice_softc *sc) +{ + for (int i = 0; i < sc->num_vfs; i++) + ice_vc_notify_vf_link_state(sc, &sc->vfs[i]); +} + +/** + * ice_vc_notify_vf_link_state - Notify VF of PF link state + * @sc: device private structure + * @vf: VF tracking structure + * + * Sends an event message to the specified VF with information about + * the current link state from the PF's port. This includes whether + * link is up or down, and the link speed in 100Mbps units. + */ +static void +ice_vc_notify_vf_link_state(struct ice_softc *sc, struct ice_vf *vf) +{ + struct virtchnl_pf_event event = {}; + struct ice_hw *hw = &sc->hw; + + event.event = VIRTCHNL_EVENT_LINK_CHANGE; + event.severity = PF_EVENT_SEVERITY_INFO; + event.event_data.link_event_adv.link_status = sc->link_up; + event.event_data.link_event_adv.link_speed = + (u32)ice_conv_link_speed_to_virtchnl(true, + hw->port_info->phy.link_info.link_speed); + + ice_aq_send_msg_to_vf(hw, vf->vf_num, VIRTCHNL_OP_EVENT, + VIRTCHNL_STATUS_SUCCESS, (u8 *)&event, sizeof(event), NULL); +} + +/** + * ice_vc_handle_vf_msg - Handle a message from a VF + * @sc: device private structure + * @event: event received from the HW MBX queue + * + * Called whenever an event is received from a VF on the HW mailbox queue. + * Responsible for handling these messages as well as responding to the + * VF afterwards, depending on the received message type. + */ +void +ice_vc_handle_vf_msg(struct ice_softc *sc, struct ice_rq_event_info *event) +{ + struct ice_hw *hw = &sc->hw; + device_t dev = sc->dev; + struct ice_vf *vf; + int err = 0; + + u32 v_opcode = event->desc.cookie_high; + u16 v_id = event->desc.retval; + u8 *msg = event->msg_buf; + u16 msglen = event->msg_len; + + if (v_id >= sc->num_vfs) { + device_printf(dev, "%s: Received msg from invalid VF-%d: opcode %d, len %d\n", + __func__, v_id, v_opcode, msglen); + return; + } + + vf = &sc->vfs[v_id]; + + /* Perform basic checks on the msg */ + err = virtchnl_vc_validate_vf_msg(&vf->version, v_opcode, msg, msglen); + if (err) { + device_printf(dev, "%s: Received invalid msg from VF-%d: opcode %d, len %d, error %d\n", + __func__, vf->vf_num, v_opcode, msglen, err); + ice_aq_send_msg_to_vf(hw, v_id, v_opcode, VIRTCHNL_STATUS_ERR_PARAM, NULL, 0, NULL); + return; + } + + switch (v_opcode) { + case VIRTCHNL_OP_VERSION: + ice_vc_version_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_RESET_VF: + ice_reset_vf(sc, vf, true); + break; + case VIRTCHNL_OP_GET_VF_RESOURCES: + ice_vc_get_vf_res_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_ADD_ETH_ADDR: + ice_vc_add_eth_addr_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_DEL_ETH_ADDR: + ice_vc_del_eth_addr_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_ADD_VLAN: + ice_vc_add_vlan_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_DEL_VLAN: + ice_vc_del_vlan_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_CONFIG_VSI_QUEUES: + ice_vc_cfg_vsi_qs_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_CONFIG_RSS_KEY: + ice_vc_cfg_rss_key_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_CONFIG_RSS_LUT: + ice_vc_cfg_rss_lut_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_SET_RSS_HENA: + ice_vc_set_rss_hena_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_ENABLE_QUEUES: + ice_vc_enable_queues_msg(sc, vf, msg); + ice_vc_notify_vf_link_state(sc, vf); + break; + case VIRTCHNL_OP_DISABLE_QUEUES: + ice_vc_disable_queues_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_CONFIG_IRQ_MAP: + ice_vc_cfg_irq_map_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_GET_STATS: + ice_vc_get_stats_msg(sc, vf, msg); + break; + case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: + ice_vc_cfg_promisc_mode_msg(sc, vf, msg); + break; + default: + device_printf(dev, "%s: Received unknown msg from VF-%d: opcode %d, len %d\n", + __func__, vf->vf_num, v_opcode, msglen); + ice_aq_send_msg_to_vf(hw, v_id, v_opcode, + VIRTCHNL_STATUS_ERR_NOT_SUPPORTED, NULL, 0, NULL); + break; + } +} + +/** + * ice_iov_setup_intr_mapping - Setup interrupt config for a VF + * @sc: device softc structure + * @vf: driver's VF structure for VF to be configured + * + * Before a VF can be used, and after a VF reset, the PF must configure + * the VF's interrupt allocation registers. This includes allocating + * interrupts from the PF's interrupt pool to the VF using the + * VPINT_ALLOC(_PCI) registers, and setting up a mapping from PF vectors + * to VF vectors in GLINT_VECT2FUNC. + * + * As well, this sets up queue allocation registers and maps the mailbox + * interrupt for the VF. + */ +static void +ice_iov_setup_intr_mapping(struct ice_softc *sc, struct ice_vf *vf) +{ + struct ice_hw *hw = &sc->hw; + struct ice_vsi *vsi = vf->vsi; + u16 v; + + /* Calculate indices for register ops below */ + u16 vf_first_irq_idx = vf->vf_imap[0]; + u16 vf_last_irq_idx = (vf_first_irq_idx + vf->num_irq_vectors) - 1; + u16 abs_vf_first_irq_idx = hw->func_caps.common_cap.msix_vector_first_id + + vf_first_irq_idx; + u16 abs_vf_last_irq_idx = (abs_vf_first_irq_idx + vf->num_irq_vectors) - 1; + u16 abs_vf_num = vf->vf_num + hw->func_caps.vf_base_id; + + /* Map out VF interrupt allocation in global device space. Both + * VPINT_ALLOC and VPINT_ALLOC_PCI use the same values. + */ + wr32(hw, VPINT_ALLOC(vf->vf_num), + (((abs_vf_first_irq_idx << VPINT_ALLOC_FIRST_S) & VPINT_ALLOC_FIRST_M) | + ((abs_vf_last_irq_idx << VPINT_ALLOC_LAST_S) & VPINT_ALLOC_LAST_M) | + VPINT_ALLOC_VALID_M)); + wr32(hw, VPINT_ALLOC_PCI(vf->vf_num), + (((abs_vf_first_irq_idx << VPINT_ALLOC_PCI_FIRST_S) & VPINT_ALLOC_PCI_FIRST_M) | + ((abs_vf_last_irq_idx << VPINT_ALLOC_PCI_LAST_S) & VPINT_ALLOC_PCI_LAST_M) | + VPINT_ALLOC_PCI_VALID_M)); + + /* Create inverse mapping of vectors to PF/VF combinations */ + for (v = vf_first_irq_idx; v <= vf_last_irq_idx; v++) + { + wr32(hw, GLINT_VECT2FUNC(v), + (((abs_vf_num << GLINT_VECT2FUNC_VF_NUM_S) & GLINT_VECT2FUNC_VF_NUM_M) | + ((hw->pf_id << GLINT_VECT2FUNC_PF_NUM_S) & GLINT_VECT2FUNC_PF_NUM_M))); + } + + /* Map mailbox interrupt to MSI-X index 0. Disable ITR for it, too. */ + wr32(hw, VPINT_MBX_CTL(abs_vf_num), + ((0 << VPINT_MBX_CTL_MSIX_INDX_S) & VPINT_MBX_CTL_MSIX_INDX_M) | + ((0x3 << VPINT_MBX_CTL_ITR_INDX_S) & VPINT_MBX_CTL_ITR_INDX_M) | + VPINT_MBX_CTL_CAUSE_ENA_M); + + /* Mark the TX queue mapping registers as valid */ + wr32(hw, VPLAN_TXQ_MAPENA(vf->vf_num), VPLAN_TXQ_MAPENA_TX_ENA_M); + + /* Indicate to HW that VF has scattered queue allocation */ + wr32(hw, VPLAN_TX_QBASE(vf->vf_num), VPLAN_TX_QBASE_VFQTABLE_ENA_M); + for (int i = 0; i < vsi->num_tx_queues; i++) { + wr32(hw, VPLAN_TX_QTABLE(i, vf->vf_num), + (vsi->tx_qmap[i] << VPLAN_TX_QTABLE_QINDEX_S) & VPLAN_TX_QTABLE_QINDEX_M); + } + + /* Mark the RX queue mapping registers as valid */ + wr32(hw, VPLAN_RXQ_MAPENA(vf->vf_num), VPLAN_RXQ_MAPENA_RX_ENA_M); + wr32(hw, VPLAN_RX_QBASE(vf->vf_num), VPLAN_RX_QBASE_VFQTABLE_ENA_M); + for (int i = 0; i < vsi->num_rx_queues; i++) { + wr32(hw, VPLAN_RX_QTABLE(i, vf->vf_num), + (vsi->rx_qmap[i] << VPLAN_RX_QTABLE_QINDEX_S) & VPLAN_RX_QTABLE_QINDEX_M); + } +} + +/** + * ice_err_to_virt err - translate ice errors into virtchnl errors + * @ice_err: status returned from ice function + */ +static enum virtchnl_status_code +ice_iov_err_to_virt_err(int ice_err) +{ + switch (ice_err) { + case 0: + return VIRTCHNL_STATUS_SUCCESS; + case ICE_ERR_BAD_PTR: + case ICE_ERR_INVAL_SIZE: + case ICE_ERR_DEVICE_NOT_SUPPORTED: + case ICE_ERR_PARAM: + case ICE_ERR_CFG: + return VIRTCHNL_STATUS_ERR_PARAM; + case ICE_ERR_NO_MEMORY: + return VIRTCHNL_STATUS_ERR_NO_MEMORY; + case ICE_ERR_NOT_READY: + case ICE_ERR_RESET_FAILED: + case ICE_ERR_FW_API_VER: + case ICE_ERR_AQ_ERROR: + case ICE_ERR_AQ_TIMEOUT: + case ICE_ERR_AQ_FULL: + case ICE_ERR_AQ_NO_WORK: + case ICE_ERR_AQ_EMPTY: + return VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; + default: + return VIRTCHNL_STATUS_ERR_NOT_SUPPORTED; + } +} |