diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_sriov.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_sriov.c | 5305 |
1 files changed, 5305 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c new file mode 100644 index 000000000..911509c2b --- /dev/null +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -0,0 +1,5305 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +/* QLogic qed NIC Driver + * Copyright (c) 2015-2017 QLogic Corporation + * Copyright (c) 2019-2020 Marvell International Ltd. + */ + +#include <linux/etherdevice.h> +#include <linux/crc32.h> +#include <linux/vmalloc.h> +#include <linux/crash_dump.h> +#include <linux/qed/qed_iov_if.h> +#include "qed_cxt.h" +#include "qed_hsi.h" +#include "qed_iro_hsi.h" +#include "qed_hw.h" +#include "qed_init_ops.h" +#include "qed_int.h" +#include "qed_mcp.h" +#include "qed_reg_addr.h" +#include "qed_sp.h" +#include "qed_sriov.h" +#include "qed_vf.h" +static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid); + +static u16 qed_vf_from_entity_id(__le16 entity_id) +{ + return le16_to_cpu(entity_id) - MAX_NUM_PFS; +} + +static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf) +{ + u8 legacy = 0; + + if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor == + ETH_HSI_VER_NO_PKT_LEN_TUNN) + legacy |= QED_QCID_LEGACY_VF_RX_PROD; + + if (!(p_vf->acquire.vfdev_info.capabilities & + VFPF_ACQUIRE_CAP_QUEUE_QIDS)) + legacy |= QED_QCID_LEGACY_VF_CID; + + return legacy; +} + +/* IOV ramrods */ +static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf) +{ + struct vf_start_ramrod_data *p_ramrod = NULL; + struct qed_spq_entry *p_ent = NULL; + struct qed_sp_init_data init_data; + int rc = -EINVAL; + u8 fp_minor; + + /* Get SPQ entry */ + memset(&init_data, 0, sizeof(init_data)); + init_data.cid = qed_spq_get_cid(p_hwfn); + init_data.opaque_fid = p_vf->opaque_fid; + init_data.comp_mode = QED_SPQ_MODE_EBLOCK; + + rc = qed_sp_init_request(p_hwfn, &p_ent, + COMMON_RAMROD_VF_START, + PROTOCOLID_COMMON, &init_data); + if (rc) + return rc; + + p_ramrod = &p_ent->ramrod.vf_start; + + p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID); + p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid); + + switch (p_hwfn->hw_info.personality) { + case QED_PCI_ETH: + p_ramrod->personality = PERSONALITY_ETH; + break; + case QED_PCI_ETH_ROCE: + case QED_PCI_ETH_IWARP: + p_ramrod->personality = PERSONALITY_RDMA_AND_ETH; + break; + default: + DP_NOTICE(p_hwfn, "Unknown VF personality %d\n", + p_hwfn->hw_info.personality); + qed_sp_destroy_request(p_hwfn, p_ent); + return -EINVAL; + } + + fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor; + if (fp_minor > ETH_HSI_VER_MINOR && + fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n", + p_vf->abs_vf_id, + ETH_HSI_VER_MAJOR, + fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR); + fp_minor = ETH_HSI_VER_MINOR; + } + + p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR; + p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor; + + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d] - Starting using HSI %02x.%02x\n", + p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor); + + return qed_spq_post(p_hwfn, p_ent, NULL); +} + +static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn, + u32 concrete_vfid, u16 opaque_vfid) +{ + struct vf_stop_ramrod_data *p_ramrod = NULL; + struct qed_spq_entry *p_ent = NULL; + struct qed_sp_init_data init_data; + int rc = -EINVAL; + + /* Get SPQ entry */ + memset(&init_data, 0, sizeof(init_data)); + init_data.cid = qed_spq_get_cid(p_hwfn); + init_data.opaque_fid = opaque_vfid; + init_data.comp_mode = QED_SPQ_MODE_EBLOCK; + + rc = qed_sp_init_request(p_hwfn, &p_ent, + COMMON_RAMROD_VF_STOP, + PROTOCOLID_COMMON, &init_data); + if (rc) + return rc; + + p_ramrod = &p_ent->ramrod.vf_stop; + + p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID); + + return qed_spq_post(p_hwfn, p_ent, NULL); +} + +bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn, + int rel_vf_id, + bool b_enabled_only, bool b_non_malicious) +{ + if (!p_hwfn->pf_iov_info) { + DP_NOTICE(p_hwfn->cdev, "No iov info\n"); + return false; + } + + if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) || + (rel_vf_id < 0)) + return false; + + if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) && + b_enabled_only) + return false; + + if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) && + b_non_malicious) + return false; + + return true; +} + +static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn, + u16 relative_vf_id, + bool b_enabled_only) +{ + struct qed_vf_info *vf = NULL; + + if (!p_hwfn->pf_iov_info) { + DP_NOTICE(p_hwfn->cdev, "No iov info\n"); + return NULL; + } + + if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id, + b_enabled_only, false)) + vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id]; + else + DP_ERR(p_hwfn, "%s: VF[%d] is not enabled\n", + __func__, relative_vf_id); + + return vf; +} + +static struct qed_queue_cid * +qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue) +{ + int i; + + for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) { + if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx) + return p_queue->cids[i].p_cid; + } + + return NULL; +} + +enum qed_iov_validate_q_mode { + QED_IOV_VALIDATE_Q_NA, + QED_IOV_VALIDATE_Q_ENABLE, + QED_IOV_VALIDATE_Q_DISABLE, +}; + +static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, + u16 qid, + enum qed_iov_validate_q_mode mode, + bool b_is_tx) +{ + int i; + + if (mode == QED_IOV_VALIDATE_Q_NA) + return true; + + for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) { + struct qed_vf_queue_cid *p_qcid; + + p_qcid = &p_vf->vf_queues[qid].cids[i]; + + if (!p_qcid->p_cid) + continue; + + if (p_qcid->b_is_tx != b_is_tx) + continue; + + return mode == QED_IOV_VALIDATE_Q_ENABLE; + } + + /* In case we haven't found any valid cid, then its disabled */ + return mode == QED_IOV_VALIDATE_Q_DISABLE; +} + +static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, + u16 rx_qid, + enum qed_iov_validate_q_mode mode) +{ + if (rx_qid >= p_vf->num_rxqs) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n", + p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs); + return false; + } + + return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false); +} + +static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, + u16 tx_qid, + enum qed_iov_validate_q_mode mode) +{ + if (tx_qid >= p_vf->num_txqs) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n", + p_vf->abs_vf_id, tx_qid, p_vf->num_txqs); + return false; + } + + return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true); +} + +static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, u16 sb_idx) +{ + int i; + + for (i = 0; i < p_vf->num_sbs; i++) + if (p_vf->igu_sbs[i] == sb_idx) + return true; + + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n", + p_vf->abs_vf_id, sb_idx, p_vf->num_sbs); + + return false; +} + +static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf) +{ + u8 i; + + for (i = 0; i < p_vf->num_rxqs; i++) + if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i, + QED_IOV_VALIDATE_Q_ENABLE, + false)) + return true; + + return false; +} + +static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf) +{ + u8 i; + + for (i = 0; i < p_vf->num_txqs; i++) + if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i, + QED_IOV_VALIDATE_Q_ENABLE, + true)) + return true; + + return false; +} + +static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn, + int vfid, struct qed_ptt *p_ptt) +{ + struct qed_bulletin_content *p_bulletin; + int crc_size = sizeof(p_bulletin->crc); + struct qed_dmae_params params; + struct qed_vf_info *p_vf; + + p_vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!p_vf) + return -EINVAL; + + if (!p_vf->vf_bulletin) + return -EINVAL; + + p_bulletin = p_vf->bulletin.p_virt; + + /* Increment bulletin board version and compute crc */ + p_bulletin->version++; + p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size, + p_vf->bulletin.size - crc_size); + + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n", + p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc); + + /* propagate bulletin board via dmae to vm memory */ + memset(¶ms, 0, sizeof(params)); + SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1); + params.dst_vfid = p_vf->abs_vf_id; + return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys, + p_vf->vf_bulletin, p_vf->bulletin.size / 4, + ¶ms); +} + +static int qed_iov_pci_cfg_info(struct qed_dev *cdev) +{ + struct qed_hw_sriov_info *iov = cdev->p_iov_info; + int pos = iov->pos; + + DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos); + pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl); + + pci_read_config_word(cdev->pdev, + pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs); + pci_read_config_word(cdev->pdev, + pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs); + + pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs); + if (iov->num_vfs) { + DP_VERBOSE(cdev, + QED_MSG_IOV, + "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n"); + iov->num_vfs = 0; + } + + pci_read_config_word(cdev->pdev, + pos + PCI_SRIOV_VF_OFFSET, &iov->offset); + + pci_read_config_word(cdev->pdev, + pos + PCI_SRIOV_VF_STRIDE, &iov->stride); + + pci_read_config_word(cdev->pdev, + pos + PCI_SRIOV_VF_DID, &iov->vf_device_id); + + pci_read_config_dword(cdev->pdev, + pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz); + + pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap); + + pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link); + + DP_VERBOSE(cdev, + QED_MSG_IOV, + "IOV info: nres %d, cap 0x%x, ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d, stride %d, page size 0x%x\n", + iov->nres, + iov->cap, + iov->ctrl, + iov->total_vfs, + iov->initial_vfs, + iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz); + + /* Some sanity checks */ + if (iov->num_vfs > NUM_OF_VFS(cdev) || + iov->total_vfs > NUM_OF_VFS(cdev)) { + /* This can happen only due to a bug. In this case we set + * num_vfs to zero to avoid memory corruption in the code that + * assumes max number of vfs + */ + DP_NOTICE(cdev, + "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n", + iov->num_vfs); + + iov->num_vfs = 0; + iov->total_vfs = 0; + } + + return 0; +} + +static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn) +{ + struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info; + struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info; + struct qed_bulletin_content *p_bulletin_virt; + dma_addr_t req_p, rply_p, bulletin_p; + union pfvf_tlvs *p_reply_virt_addr; + union vfpf_tlvs *p_req_virt_addr; + u8 idx = 0; + + memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array)); + + p_req_virt_addr = p_iov_info->mbx_msg_virt_addr; + req_p = p_iov_info->mbx_msg_phys_addr; + p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr; + rply_p = p_iov_info->mbx_reply_phys_addr; + p_bulletin_virt = p_iov_info->p_bulletins; + bulletin_p = p_iov_info->bulletins_phys; + if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) { + DP_ERR(p_hwfn, + "%s called without allocating mem first\n", __func__); + return; + } + + for (idx = 0; idx < p_iov->total_vfs; idx++) { + struct qed_vf_info *vf = &p_iov_info->vfs_array[idx]; + u32 concrete; + + vf->vf_mbx.req_virt = p_req_virt_addr + idx; + vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs); + vf->vf_mbx.reply_virt = p_reply_virt_addr + idx; + vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs); + + vf->state = VF_STOPPED; + vf->b_init = false; + + vf->bulletin.phys = idx * + sizeof(struct qed_bulletin_content) + + bulletin_p; + vf->bulletin.p_virt = p_bulletin_virt + idx; + vf->bulletin.size = sizeof(struct qed_bulletin_content); + + vf->relative_vf_id = idx; + vf->abs_vf_id = idx + p_iov->first_vf_in_pf; + concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id); + vf->concrete_fid = concrete; + vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) | + (vf->abs_vf_id << 8); + vf->vport_id = idx + 1; + + vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS; + vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS; + } +} + +static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn) +{ + struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info; + void **p_v_addr; + u16 num_vfs = 0; + + num_vfs = p_hwfn->cdev->p_iov_info->total_vfs; + + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "%s for %d VFs\n", __func__, num_vfs); + + /* Allocate PF Mailbox buffer (per-VF) */ + p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs; + p_v_addr = &p_iov_info->mbx_msg_virt_addr; + *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, + p_iov_info->mbx_msg_size, + &p_iov_info->mbx_msg_phys_addr, + GFP_KERNEL); + if (!*p_v_addr) + return -ENOMEM; + + /* Allocate PF Mailbox Reply buffer (per-VF) */ + p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs; + p_v_addr = &p_iov_info->mbx_reply_virt_addr; + *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, + p_iov_info->mbx_reply_size, + &p_iov_info->mbx_reply_phys_addr, + GFP_KERNEL); + if (!*p_v_addr) + return -ENOMEM; + + p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) * + num_vfs; + p_v_addr = &p_iov_info->p_bulletins; + *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, + p_iov_info->bulletins_size, + &p_iov_info->bulletins_phys, + GFP_KERNEL); + if (!*p_v_addr) + return -ENOMEM; + + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "PF's Requests mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n", + p_iov_info->mbx_msg_virt_addr, + (u64)p_iov_info->mbx_msg_phys_addr, + p_iov_info->mbx_reply_virt_addr, + (u64)p_iov_info->mbx_reply_phys_addr, + p_iov_info->p_bulletins, (u64)p_iov_info->bulletins_phys); + + return 0; +} + +static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn) +{ + struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info; + + if (p_hwfn->pf_iov_info->mbx_msg_virt_addr) + dma_free_coherent(&p_hwfn->cdev->pdev->dev, + p_iov_info->mbx_msg_size, + p_iov_info->mbx_msg_virt_addr, + p_iov_info->mbx_msg_phys_addr); + + if (p_hwfn->pf_iov_info->mbx_reply_virt_addr) + dma_free_coherent(&p_hwfn->cdev->pdev->dev, + p_iov_info->mbx_reply_size, + p_iov_info->mbx_reply_virt_addr, + p_iov_info->mbx_reply_phys_addr); + + if (p_iov_info->p_bulletins) + dma_free_coherent(&p_hwfn->cdev->pdev->dev, + p_iov_info->bulletins_size, + p_iov_info->p_bulletins, + p_iov_info->bulletins_phys); +} + +int qed_iov_alloc(struct qed_hwfn *p_hwfn) +{ + struct qed_pf_iov *p_sriov; + + if (!IS_PF_SRIOV(p_hwfn)) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "No SR-IOV - no need for IOV db\n"); + return 0; + } + + p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL); + if (!p_sriov) + return -ENOMEM; + + p_hwfn->pf_iov_info = p_sriov; + + qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON, + qed_sriov_eqe_event); + + return qed_iov_allocate_vfdb(p_hwfn); +} + +void qed_iov_setup(struct qed_hwfn *p_hwfn) +{ + if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn)) + return; + + qed_iov_setup_vfdb(p_hwfn); +} + +void qed_iov_free(struct qed_hwfn *p_hwfn) +{ + qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON); + + if (IS_PF_SRIOV_ALLOC(p_hwfn)) { + qed_iov_free_vfdb(p_hwfn); + kfree(p_hwfn->pf_iov_info); + } +} + +void qed_iov_free_hw_info(struct qed_dev *cdev) +{ + kfree(cdev->p_iov_info); + cdev->p_iov_info = NULL; +} + +int qed_iov_hw_info(struct qed_hwfn *p_hwfn) +{ + struct qed_dev *cdev = p_hwfn->cdev; + int pos; + int rc; + + if (is_kdump_kernel()) + return 0; + + if (IS_VF(p_hwfn->cdev)) + return 0; + + /* Learn the PCI configuration */ + pos = pci_find_ext_capability(p_hwfn->cdev->pdev, + PCI_EXT_CAP_ID_SRIOV); + if (!pos) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n"); + return 0; + } + + /* Allocate a new struct for IOV information */ + cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL); + if (!cdev->p_iov_info) + return -ENOMEM; + + cdev->p_iov_info->pos = pos; + + rc = qed_iov_pci_cfg_info(cdev); + if (rc) + return rc; + + /* We want PF IOV to be synonemous with the existence of p_iov_info; + * In case the capability is published but there are no VFs, simply + * de-allocate the struct. + */ + if (!cdev->p_iov_info->total_vfs) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "IOV capabilities, but no VFs are published\n"); + kfree(cdev->p_iov_info); + cdev->p_iov_info = NULL; + return 0; + } + + /* First VF index based on offset is tricky: + * - If ARI is supported [likely], offset - (16 - pf_id) would + * provide the number for eng0. 2nd engine Vfs would begin + * after the first engine's VFs. + * - If !ARI, VFs would start on next device. + * so offset - (256 - pf_id) would provide the number. + * Utilize the fact that (256 - pf_id) is achieved only by later + * to differentiate between the two. + */ + + if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) { + u32 first = p_hwfn->cdev->p_iov_info->offset + + p_hwfn->abs_pf_id - 16; + + cdev->p_iov_info->first_vf_in_pf = first; + + if (QED_PATH_ID(p_hwfn)) + cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB; + } else { + u32 first = p_hwfn->cdev->p_iov_info->offset + + p_hwfn->abs_pf_id - 256; + + cdev->p_iov_info->first_vf_in_pf = first; + } + + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "First VF in hwfn 0x%08x\n", + cdev->p_iov_info->first_vf_in_pf); + + return 0; +} + +static bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, + int vfid, bool b_fail_malicious) +{ + /* Check PF supports sriov */ + if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) || + !IS_PF_SRIOV_ALLOC(p_hwfn)) + return false; + + /* Check VF validity */ + if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious)) + return false; + + return true; +} + +static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid) +{ + return _qed_iov_pf_sanity_check(p_hwfn, vfid, true); +} + +static void qed_iov_set_vf_to_disable(struct qed_dev *cdev, + u16 rel_vf_id, u8 to_disable) +{ + struct qed_vf_info *vf; + int i; + + for_each_hwfn(cdev, i) { + struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; + + vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false); + if (!vf) + continue; + + vf->to_disable = to_disable; + } +} + +static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable) +{ + u16 i; + + if (!IS_QED_SRIOV(cdev)) + return; + + for (i = 0; i < cdev->p_iov_info->total_vfs; i++) + qed_iov_set_vf_to_disable(cdev, i, to_disable); +} + +static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u8 abs_vfid) +{ + qed_wr(p_hwfn, p_ptt, + PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4, + 1 << (abs_vfid & 0x1f)); +} + +static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, struct qed_vf_info *vf) +{ + int i; + + /* Set VF masks and configuration - pretend */ + qed_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid); + + qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0); + + /* unpretend */ + qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid); + + /* iterate over all queues, clear sb consumer */ + for (i = 0; i < vf->num_sbs; i++) + qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt, + vf->igu_sbs[i], + vf->opaque_fid, true); +} + +static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf, bool enable) +{ + u32 igu_vf_conf; + + qed_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid); + + igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION); + + if (enable) + igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN; + else + igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN; + + qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf); + + /* unpretend */ + qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid); +} + +static int +qed_iov_enable_vf_access_msix(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u8 abs_vf_id, u8 num_sbs) +{ + u8 current_max = 0; + int i; + + /* For AH onward, configuration is per-PF. Find maximum of all + * the currently enabled child VFs, and set the number to be that. + */ + if (!QED_IS_BB(p_hwfn->cdev)) { + qed_for_each_vf(p_hwfn, i) { + struct qed_vf_info *p_vf; + + p_vf = qed_iov_get_vf_info(p_hwfn, (u16)i, true); + if (!p_vf) + continue; + + current_max = max_t(u8, current_max, p_vf->num_sbs); + } + } + + if (num_sbs > current_max) + return qed_mcp_config_vf_msix(p_hwfn, p_ptt, + abs_vf_id, num_sbs); + + return 0; +} + +static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN; + int rc; + + /* It's possible VF was previously considered malicious - + * clear the indication even if we're only going to disable VF. + */ + vf->b_malicious = false; + + if (vf->to_disable) + return 0; + + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "Enable internal access for vf %x [abs %x]\n", + vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf)); + + qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf)); + + qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf); + + rc = qed_iov_enable_vf_access_msix(p_hwfn, p_ptt, + vf->abs_vf_id, vf->num_sbs); + if (rc) + return rc; + + qed_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid); + + SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id); + STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf); + + qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id, + p_hwfn->hw_info.hw_mode); + + /* unpretend */ + qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid); + + vf->state = VF_FREE; + + return rc; +} + +/** + * qed_iov_config_perm_table() - Configure the permission zone table. + * + * @p_hwfn: HW device data. + * @p_ptt: PTT window for writing the registers. + * @vf: VF info data. + * @enable: The actual permision for this VF. + * + * In E4, queue zone permission table size is 320x9. There + * are 320 VF queues for single engine device (256 for dual + * engine device), and each entry has the following format: + * {Valid, VF[7:0]} + */ +static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf, u8 enable) +{ + u32 reg_addr, val; + u16 qzone_id = 0; + int qid; + + for (qid = 0; qid < vf->num_rxqs; qid++) { + qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid, + &qzone_id); + + reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4; + val = enable ? (vf->abs_vf_id | BIT(8)) : 0; + qed_wr(p_hwfn, p_ptt, reg_addr, val); + } +} + +static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + /* Reset vf in IGU - interrupts are still disabled */ + qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf); + + qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1); + + /* Permission Table */ + qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true); +} + +static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf, u16 num_rx_queues) +{ + struct qed_igu_block *p_block; + struct cau_sb_entry sb_entry; + int qid = 0; + u32 val = 0; + + if (num_rx_queues > p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov) + num_rx_queues = p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov; + p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov -= num_rx_queues; + + SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id); + SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1); + SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0); + + for (qid = 0; qid < num_rx_queues; qid++) { + p_block = qed_get_igu_free_sb(p_hwfn, false); + vf->igu_sbs[qid] = p_block->igu_sb_id; + p_block->status &= ~QED_IGU_STATUS_FREE; + SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid); + + qed_wr(p_hwfn, p_ptt, + IGU_REG_MAPPING_MEMORY + + sizeof(u32) * p_block->igu_sb_id, val); + + /* Configure igu sb in CAU which were marked valid */ + qed_init_cau_sb_entry(p_hwfn, &sb_entry, + p_hwfn->rel_pf_id, vf->abs_vf_id, 1); + + qed_dmae_host2grc(p_hwfn, p_ptt, + (u64)(uintptr_t)&sb_entry, + CAU_REG_SB_VAR_MEMORY + + p_block->igu_sb_id * sizeof(u64), 2, NULL); + } + + vf->num_sbs = (u8)num_rx_queues; + + return vf->num_sbs; +} + +static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info; + int idx, igu_id; + u32 addr, val; + + /* Invalidate igu CAM lines and mark them as free */ + for (idx = 0; idx < vf->num_sbs; idx++) { + igu_id = vf->igu_sbs[idx]; + addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id; + + val = qed_rd(p_hwfn, p_ptt, addr); + SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0); + qed_wr(p_hwfn, p_ptt, addr, val); + + p_info->entry[igu_id].status |= QED_IGU_STATUS_FREE; + p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov++; + } + + vf->num_sbs = 0; +} + +static void qed_iov_set_link(struct qed_hwfn *p_hwfn, + u16 vfid, + struct qed_mcp_link_params *params, + struct qed_mcp_link_state *link, + struct qed_mcp_link_capabilities *p_caps) +{ + struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn, + vfid, + false); + struct qed_bulletin_content *p_bulletin; + + if (!p_vf) + return; + + p_bulletin = p_vf->bulletin.p_virt; + p_bulletin->req_autoneg = params->speed.autoneg; + p_bulletin->req_adv_speed = params->speed.advertised_speeds; + p_bulletin->req_forced_speed = params->speed.forced_speed; + p_bulletin->req_autoneg_pause = params->pause.autoneg; + p_bulletin->req_forced_rx = params->pause.forced_rx; + p_bulletin->req_forced_tx = params->pause.forced_tx; + p_bulletin->req_loopback = params->loopback_mode; + + p_bulletin->link_up = link->link_up; + p_bulletin->speed = link->speed; + p_bulletin->full_duplex = link->full_duplex; + p_bulletin->autoneg = link->an; + p_bulletin->autoneg_complete = link->an_complete; + p_bulletin->parallel_detection = link->parallel_detection; + p_bulletin->pfc_enabled = link->pfc_enabled; + p_bulletin->partner_adv_speed = link->partner_adv_speed; + p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en; + p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en; + p_bulletin->partner_adv_pause = link->partner_adv_pause; + p_bulletin->sfp_tx_fault = link->sfp_tx_fault; + + p_bulletin->capability_speed = p_caps->speed_capabilities; +} + +static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_iov_vf_init_params *p_params) +{ + struct qed_mcp_link_capabilities link_caps; + struct qed_mcp_link_params link_params; + struct qed_mcp_link_state link_state; + u8 num_of_vf_avaiable_chains = 0; + struct qed_vf_info *vf = NULL; + u16 qid, num_irqs; + int rc = 0; + u32 cids; + u8 i; + + vf = qed_iov_get_vf_info(p_hwfn, p_params->rel_vf_id, false); + if (!vf) { + DP_ERR(p_hwfn, "%s : vf is NULL\n", __func__); + return -EINVAL; + } + + if (vf->b_init) { + DP_NOTICE(p_hwfn, "VF[%d] is already active.\n", + p_params->rel_vf_id); + return -EINVAL; + } + + /* Perform sanity checking on the requested queue_id */ + for (i = 0; i < p_params->num_queues; i++) { + u16 min_vf_qzone = FEAT_NUM(p_hwfn, QED_PF_L2_QUE); + u16 max_vf_qzone = min_vf_qzone + + FEAT_NUM(p_hwfn, QED_VF_L2_QUE) - 1; + + qid = p_params->req_rx_queue[i]; + if (qid < min_vf_qzone || qid > max_vf_qzone) { + DP_NOTICE(p_hwfn, + "Can't enable Rx qid [%04x] for VF[%d]: qids [0x%04x,...,0x%04x] available\n", + qid, + p_params->rel_vf_id, + min_vf_qzone, max_vf_qzone); + return -EINVAL; + } + + qid = p_params->req_tx_queue[i]; + if (qid > max_vf_qzone) { + DP_NOTICE(p_hwfn, + "Can't enable Tx qid [%04x] for VF[%d]: max qid 0x%04x\n", + qid, p_params->rel_vf_id, max_vf_qzone); + return -EINVAL; + } + + /* If client *really* wants, Tx qid can be shared with PF */ + if (qid < min_vf_qzone) + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d] is using PF qid [0x%04x] for Txq[0x%02x]\n", + p_params->rel_vf_id, qid, i); + } + + /* Limit number of queues according to number of CIDs */ + qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids); + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n", + vf->relative_vf_id, p_params->num_queues, (u16)cids); + num_irqs = min_t(u16, p_params->num_queues, ((u16)cids)); + + num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn, + p_ptt, + vf, num_irqs); + if (!num_of_vf_avaiable_chains) { + DP_ERR(p_hwfn, "no available igu sbs\n"); + return -ENOMEM; + } + + /* Choose queue number and index ranges */ + vf->num_rxqs = num_of_vf_avaiable_chains; + vf->num_txqs = num_of_vf_avaiable_chains; + + for (i = 0; i < vf->num_rxqs; i++) { + struct qed_vf_queue *p_queue = &vf->vf_queues[i]; + + p_queue->fw_rx_qid = p_params->req_rx_queue[i]; + p_queue->fw_tx_qid = p_params->req_tx_queue[i]; + + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x]\n", + vf->relative_vf_id, i, vf->igu_sbs[i], + p_queue->fw_rx_qid, p_queue->fw_tx_qid); + } + + /* Update the link configuration in bulletin */ + memcpy(&link_params, qed_mcp_get_link_params(p_hwfn), + sizeof(link_params)); + memcpy(&link_state, qed_mcp_get_link_state(p_hwfn), sizeof(link_state)); + memcpy(&link_caps, qed_mcp_get_link_capabilities(p_hwfn), + sizeof(link_caps)); + qed_iov_set_link(p_hwfn, p_params->rel_vf_id, + &link_params, &link_state, &link_caps); + + rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf); + if (!rc) { + vf->b_init = true; + + if (IS_LEAD_HWFN(p_hwfn)) + p_hwfn->cdev->p_iov_info->num_vfs++; + } + + return rc; +} + +static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u16 rel_vf_id) +{ + struct qed_mcp_link_capabilities caps; + struct qed_mcp_link_params params; + struct qed_mcp_link_state link; + struct qed_vf_info *vf = NULL; + + vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!vf) { + DP_ERR(p_hwfn, "%s : vf is NULL\n", __func__); + return -EINVAL; + } + + if (vf->bulletin.p_virt) + memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt)); + + memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info)); + + /* Get the link configuration back in bulletin so + * that when VFs are re-enabled they get the actual + * link configuration. + */ + memcpy(¶ms, qed_mcp_get_link_params(p_hwfn), sizeof(params)); + memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link)); + memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps)); + qed_iov_set_link(p_hwfn, rel_vf_id, ¶ms, &link, &caps); + + /* Forget the VF's acquisition message */ + memset(&vf->acquire, 0, sizeof(vf->acquire)); + + /* disablng interrupts and resetting permission table was done during + * vf-close, however, we could get here without going through vf_close + */ + /* Disable Interrupts for VF */ + qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0); + + /* Reset Permission table */ + qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0); + + vf->num_rxqs = 0; + vf->num_txqs = 0; + qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf); + + if (vf->b_init) { + vf->b_init = false; + + if (IS_LEAD_HWFN(p_hwfn)) + p_hwfn->cdev->p_iov_info->num_vfs--; + } + + return 0; +} + +static bool qed_iov_tlv_supported(u16 tlvtype) +{ + return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX; +} + +/* place a given tlv on the tlv buffer, continuing current tlv list */ +void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length) +{ + struct channel_tlv *tl = (struct channel_tlv *)*offset; + + tl->type = type; + tl->length = length; + + /* Offset should keep pointing to next TLV (the end of the last) */ + *offset += length; + + /* Return a pointer to the start of the added tlv */ + return *offset - length; +} + +/* list the types and lengths of the tlvs on the buffer */ +void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list) +{ + u16 i = 1, total_length = 0; + struct channel_tlv *tlv; + + do { + tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length); + + /* output tlv */ + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "TLV number %d: type %d, length %d\n", + i, tlv->type, tlv->length); + + if (tlv->type == CHANNEL_TLV_LIST_END) + return; + + /* Validate entry - protect against malicious VFs */ + if (!tlv->length) { + DP_NOTICE(p_hwfn, "TLV of length 0 found\n"); + return; + } + + total_length += tlv->length; + + if (total_length >= sizeof(struct tlv_buffer_size)) { + DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n"); + return; + } + + i++; + } while (1); +} + +static void qed_iov_send_response(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *p_vf, + u16 length, u8 status) +{ + struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx; + struct qed_dmae_params params; + u8 eng_vf_id; + + mbx->reply_virt->default_resp.hdr.status = status; + + qed_dp_tlv_list(p_hwfn, mbx->reply_virt); + + eng_vf_id = p_vf->abs_vf_id; + + memset(¶ms, 0, sizeof(params)); + SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1); + params.dst_vfid = eng_vf_id; + + qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64), + mbx->req_virt->first_tlv.reply_address + + sizeof(u64), + (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4, + ¶ms); + + /* Once PF copies the rc to the VF, the latter can continue + * and send an additional message. So we have to make sure the + * channel would be re-set to ready prior to that. + */ + REG_WR(p_hwfn, + GET_GTT_REG_ADDR(GTT_BAR0_MAP_REG_USDM_RAM, + USTORM_VF_PF_CHANNEL_READY, eng_vf_id), 1); + + qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys, + mbx->req_virt->first_tlv.reply_address, + sizeof(u64) / 4, ¶ms); +} + +static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn, + enum qed_iov_vport_update_flag flag) +{ + switch (flag) { + case QED_IOV_VP_UPDATE_ACTIVATE: + return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; + case QED_IOV_VP_UPDATE_VLAN_STRIP: + return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP; + case QED_IOV_VP_UPDATE_TX_SWITCH: + return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH; + case QED_IOV_VP_UPDATE_MCAST: + return CHANNEL_TLV_VPORT_UPDATE_MCAST; + case QED_IOV_VP_UPDATE_ACCEPT_PARAM: + return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; + case QED_IOV_VP_UPDATE_RSS: + return CHANNEL_TLV_VPORT_UPDATE_RSS; + case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN: + return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN; + case QED_IOV_VP_UPDATE_SGE_TPA: + return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA; + default: + return 0; + } +} + +static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, + struct qed_iov_vf_mbx *p_mbx, + u8 status, + u16 tlvs_mask, u16 tlvs_accepted) +{ + struct pfvf_def_resp_tlv *resp; + u16 size, total_len, i; + + memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs)); + p_mbx->offset = (u8 *)p_mbx->reply_virt; + size = sizeof(struct pfvf_def_resp_tlv); + total_len = size; + + qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size); + + /* Prepare response for all extended tlvs if they are found by PF */ + for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) { + if (!(tlvs_mask & BIT(i))) + continue; + + resp = qed_add_tlv(p_hwfn, &p_mbx->offset, + qed_iov_vport_to_tlv(p_hwfn, i), size); + + if (tlvs_accepted & BIT(i)) + resp->hdr.status = status; + else + resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED; + + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d] - vport_update response: TLV %d, status %02x\n", + p_vf->relative_vf_id, + qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status); + + total_len += size; + } + + qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END, + sizeof(struct channel_list_end_tlv)); + + return total_len; +} + +static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf_info, + u16 type, u16 length, u8 status) +{ + struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx; + + mbx->offset = (u8 *)mbx->reply_virt; + + qed_add_tlv(p_hwfn, &mbx->offset, type, length); + qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END, + sizeof(struct channel_list_end_tlv)); + + qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status); +} + +static struct +qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn, + u16 relative_vf_id, + bool b_enabled_only) +{ + struct qed_vf_info *vf = NULL; + + vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only); + if (!vf) + return NULL; + + return &vf->p_vf_info; +} + +static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid) +{ + struct qed_public_vf_info *vf_info; + + vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false); + + if (!vf_info) + return; + + /* Clear the VF mac */ + eth_zero_addr(vf_info->mac); + + vf_info->rx_accept_mode = 0; + vf_info->tx_accept_mode = 0; +} + +static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf) +{ + u32 i, j; + + p_vf->vf_bulletin = 0; + p_vf->vport_instance = 0; + p_vf->configured_features = 0; + + /* If VF previously requested less resources, go back to default */ + p_vf->num_rxqs = p_vf->num_sbs; + p_vf->num_txqs = p_vf->num_sbs; + + p_vf->num_active_rxqs = 0; + + for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) { + struct qed_vf_queue *p_queue = &p_vf->vf_queues[i]; + + for (j = 0; j < MAX_QUEUES_PER_QZONE; j++) { + if (!p_queue->cids[j].p_cid) + continue; + + qed_eth_queue_cid_release(p_hwfn, + p_queue->cids[j].p_cid); + p_queue->cids[j].p_cid = NULL; + } + } + + memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config)); + memset(&p_vf->acquire, 0, sizeof(p_vf->acquire)); + qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id); +} + +/* Returns either 0, or log(size) */ +static u32 qed_iov_vf_db_bar_size(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt) +{ + u32 val = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_BAR1_SIZE); + + if (val) + return val + 11; + return 0; +} + +static void +qed_iov_vf_mbx_acquire_resc_cids(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *p_vf, + struct vf_pf_resc_request *p_req, + struct pf_vf_resc *p_resp) +{ + u8 num_vf_cons = p_hwfn->pf_params.eth_pf_params.num_vf_cons; + u8 db_size = qed_db_addr_vf(1, DQ_DEMS_LEGACY) - + qed_db_addr_vf(0, DQ_DEMS_LEGACY); + u32 bar_size; + + p_resp->num_cids = min_t(u8, p_req->num_cids, num_vf_cons); + + /* If VF didn't bother asking for QIDs than don't bother limiting + * number of CIDs. The VF doesn't care about the number, and this + * has the likely result of causing an additional acquisition. + */ + if (!(p_vf->acquire.vfdev_info.capabilities & + VFPF_ACQUIRE_CAP_QUEUE_QIDS)) + return; + + /* If doorbell bar was mapped by VF, limit the VF CIDs to an amount + * that would make sure doorbells for all CIDs fall within the bar. + * If it doesn't, make sure regview window is sufficient. + */ + if (p_vf->acquire.vfdev_info.capabilities & + VFPF_ACQUIRE_CAP_PHYSICAL_BAR) { + bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt); + if (bar_size) + bar_size = 1 << bar_size; + + if (p_hwfn->cdev->num_hwfns > 1) + bar_size /= 2; + } else { + bar_size = PXP_VF_BAR0_DQ_LENGTH; + } + + if (bar_size / db_size < 256) + p_resp->num_cids = min_t(u8, p_resp->num_cids, + (u8)(bar_size / db_size)); +} + +static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *p_vf, + struct vf_pf_resc_request *p_req, + struct pf_vf_resc *p_resp) +{ + u8 i; + + /* Queue related information */ + p_resp->num_rxqs = p_vf->num_rxqs; + p_resp->num_txqs = p_vf->num_txqs; + p_resp->num_sbs = p_vf->num_sbs; + + for (i = 0; i < p_resp->num_sbs; i++) { + p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i]; + p_resp->hw_sbs[i].sb_qid = 0; + } + + /* These fields are filled for backward compatibility. + * Unused by modern vfs. + */ + for (i = 0; i < p_resp->num_rxqs; i++) { + qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid, + (u16 *)&p_resp->hw_qid[i]); + p_resp->cid[i] = i; + } + + /* Filter related information */ + p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters, + p_req->num_mac_filters); + p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters, + p_req->num_vlan_filters); + + qed_iov_vf_mbx_acquire_resc_cids(p_hwfn, p_ptt, p_vf, p_req, p_resp); + + /* This isn't really needed/enforced, but some legacy VFs might depend + * on the correct filling of this field. + */ + p_resp->num_mc_filters = QED_MAX_MC_ADDRS; + + /* Validate sufficient resources for VF */ + if (p_resp->num_rxqs < p_req->num_rxqs || + p_resp->num_txqs < p_req->num_txqs || + p_resp->num_sbs < p_req->num_sbs || + p_resp->num_mac_filters < p_req->num_mac_filters || + p_resp->num_vlan_filters < p_req->num_vlan_filters || + p_resp->num_mc_filters < p_req->num_mc_filters || + p_resp->num_cids < p_req->num_cids) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]\n", + p_vf->abs_vf_id, + p_req->num_rxqs, + p_resp->num_rxqs, + p_req->num_rxqs, + p_resp->num_txqs, + p_req->num_sbs, + p_resp->num_sbs, + p_req->num_mac_filters, + p_resp->num_mac_filters, + p_req->num_vlan_filters, + p_resp->num_vlan_filters, + p_req->num_mc_filters, + p_resp->num_mc_filters, + p_req->num_cids, p_resp->num_cids); + + /* Some legacy OSes are incapable of correctly handling this + * failure. + */ + if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor == + ETH_HSI_VER_NO_PKT_LEN_TUNN) && + (p_vf->acquire.vfdev_info.os_type == + VFPF_ACQUIRE_OS_WINDOWS)) + return PFVF_STATUS_SUCCESS; + + return PFVF_STATUS_NO_RESOURCE; + } + + return PFVF_STATUS_SUCCESS; +} + +static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn, + struct pfvf_stats_info *p_stats) +{ + p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B + + offsetof(struct mstorm_vf_zone, + non_trigger.eth_queue_stat); + p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat); + p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B + + offsetof(struct ustorm_vf_zone, + non_trigger.eth_queue_stat); + p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat); + p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B + + offsetof(struct pstorm_vf_zone, + non_trigger.eth_queue_stat); + p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat); + p_stats->tstats.address = 0; + p_stats->tstats.len = 0; +} + +static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp; + struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; + struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire; + u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED; + struct pf_vf_resc *resc = &resp->resc; + int rc; + + memset(resp, 0, sizeof(*resp)); + + /* Write the PF version so that VF would know which version + * is supported - might be later overridden. This guarantees that + * VF could recognize legacy PF based on lack of versions in reply. + */ + pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR; + pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR; + + if (vf->state != VF_FREE && vf->state != VF_STOPPED) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d] sent ACQUIRE but is already in state %d - fail request\n", + vf->abs_vf_id, vf->state); + goto out; + } + + /* Validate FW compatibility */ + if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) { + if (req->vfdev_info.capabilities & + VFPF_ACQUIRE_CAP_PRE_FP_HSI) { + struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info; + + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d] is pre-fastpath HSI\n", + vf->abs_vf_id); + p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR; + p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN; + } else { + DP_INFO(p_hwfn, + "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's fastpath HSI %02x.%02x\n", + vf->abs_vf_id, + req->vfdev_info.eth_fp_hsi_major, + req->vfdev_info.eth_fp_hsi_minor, + ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR); + + goto out; + } + } + + /* On 100g PFs, prevent old VFs from loading */ + if ((p_hwfn->cdev->num_hwfns > 1) && + !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) { + DP_INFO(p_hwfn, + "VF[%d] is running an old driver that doesn't support 100g\n", + vf->abs_vf_id); + goto out; + } + + /* Store the acquire message */ + memcpy(&vf->acquire, req, sizeof(vf->acquire)); + + vf->opaque_fid = req->vfdev_info.opaque_fid; + + vf->vf_bulletin = req->bulletin_addr; + vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ? + vf->bulletin.size : req->bulletin_size; + + /* fill in pfdev info */ + pfdev_info->chip_num = p_hwfn->cdev->chip_num; + pfdev_info->db_size = 0; + pfdev_info->indices_per_sb = PIS_PER_SB; + + pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED | + PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE; + if (p_hwfn->cdev->num_hwfns > 1) + pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G; + + /* Share our ability to use multiple queue-ids only with VFs + * that request it. + */ + if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_QUEUE_QIDS) + pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_QUEUE_QIDS; + + /* Share the sizes of the bars with VF */ + resp->pfdev_info.bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt); + + qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info); + + memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN); + + pfdev_info->fw_major = FW_MAJOR_VERSION; + pfdev_info->fw_minor = FW_MINOR_VERSION; + pfdev_info->fw_rev = FW_REVISION_VERSION; + pfdev_info->fw_eng = FW_ENGINEERING_VERSION; + + /* Incorrect when legacy, but doesn't matter as legacy isn't reading + * this field. + */ + pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR, + req->vfdev_info.eth_fp_hsi_minor); + pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX; + qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL); + + pfdev_info->dev_type = p_hwfn->cdev->type; + pfdev_info->chip_rev = p_hwfn->cdev->chip_rev; + + /* Fill resources available to VF; Make sure there are enough to + * satisfy the VF's request. + */ + vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf, + &req->resc_request, resc); + if (vfpf_status != PFVF_STATUS_SUCCESS) + goto out; + + /* Start the VF in FW */ + rc = qed_sp_vf_start(p_hwfn, vf); + if (rc) { + DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id); + vfpf_status = PFVF_STATUS_FAILURE; + goto out; + } + + /* Fill agreed size of bulletin board in response */ + resp->bulletin_size = vf->bulletin.size; + qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt); + + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n" + "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n", + vf->abs_vf_id, + resp->pfdev_info.chip_num, + resp->pfdev_info.db_size, + resp->pfdev_info.indices_per_sb, + resp->pfdev_info.capabilities, + resc->num_rxqs, + resc->num_txqs, + resc->num_sbs, + resc->num_mac_filters, + resc->num_vlan_filters); + vf->state = VF_ACQUIRED; + + /* Prepare Response */ +out: + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE, + sizeof(struct pfvf_acquire_resp_tlv), vfpf_status); +} + +static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, bool val) +{ + struct qed_sp_vport_update_params params; + int rc; + + if (val == p_vf->spoof_chk) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Spoofchk value[%d] is already configured\n", val); + return 0; + } + + memset(¶ms, 0, sizeof(struct qed_sp_vport_update_params)); + params.opaque_fid = p_vf->opaque_fid; + params.vport_id = p_vf->vport_id; + params.update_anti_spoofing_en_flg = 1; + params.anti_spoofing_en = val; + + rc = qed_sp_vport_update(p_hwfn, ¶ms, QED_SPQ_MODE_EBLOCK, NULL); + if (!rc) { + p_vf->spoof_chk = val; + p_vf->req_spoofchk_val = p_vf->spoof_chk; + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Spoofchk val[%d] configured\n", val); + } else { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Spoofchk configuration[val:%d] failed for VF[%d]\n", + val, p_vf->relative_vf_id); + } + + return rc; +} + +static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf) +{ + struct qed_filter_ucast filter; + int rc = 0; + int i; + + memset(&filter, 0, sizeof(filter)); + filter.is_rx_filter = 1; + filter.is_tx_filter = 1; + filter.vport_to_add_to = p_vf->vport_id; + filter.opcode = QED_FILTER_ADD; + + /* Reconfigure vlans */ + for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) { + if (!p_vf->shadow_config.vlans[i].used) + continue; + + filter.type = QED_FILTER_VLAN; + filter.vlan = p_vf->shadow_config.vlans[i].vid; + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Reconfiguring VLAN [0x%04x] for VF [%04x]\n", + filter.vlan, p_vf->relative_vf_id); + rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid, + &filter, QED_SPQ_MODE_CB, NULL); + if (rc) { + DP_NOTICE(p_hwfn, + "Failed to configure VLAN [%04x] to VF [%04x]\n", + filter.vlan, p_vf->relative_vf_id); + break; + } + } + + return rc; +} + +static int +qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, u64 events) +{ + int rc = 0; + + if ((events & BIT(VLAN_ADDR_FORCED)) && + !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED))) + rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf); + + return rc; +} + +static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, u64 events) +{ + int rc = 0; + struct qed_filter_ucast filter; + + if (!p_vf->vport_instance) + return -EINVAL; + + if ((events & BIT(MAC_ADDR_FORCED)) || + p_vf->p_vf_info.is_trusted_configured) { + /* Since there's no way [currently] of removing the MAC, + * we can always assume this means we need to force it. + */ + memset(&filter, 0, sizeof(filter)); + filter.type = QED_FILTER_MAC; + filter.opcode = QED_FILTER_REPLACE; + filter.is_rx_filter = 1; + filter.is_tx_filter = 1; + filter.vport_to_add_to = p_vf->vport_id; + ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac); + + rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid, + &filter, QED_SPQ_MODE_CB, NULL); + if (rc) { + DP_NOTICE(p_hwfn, + "PF failed to configure MAC for VF\n"); + return rc; + } + if (p_vf->p_vf_info.is_trusted_configured) + p_vf->configured_features |= + BIT(VFPF_BULLETIN_MAC_ADDR); + else + p_vf->configured_features |= + BIT(MAC_ADDR_FORCED); + } + + if (events & BIT(VLAN_ADDR_FORCED)) { + struct qed_sp_vport_update_params vport_update; + u8 removal; + int i; + + memset(&filter, 0, sizeof(filter)); + filter.type = QED_FILTER_VLAN; + filter.is_rx_filter = 1; + filter.is_tx_filter = 1; + filter.vport_to_add_to = p_vf->vport_id; + filter.vlan = p_vf->bulletin.p_virt->pvid; + filter.opcode = filter.vlan ? QED_FILTER_REPLACE : + QED_FILTER_FLUSH; + + /* Send the ramrod */ + rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid, + &filter, QED_SPQ_MODE_CB, NULL); + if (rc) { + DP_NOTICE(p_hwfn, + "PF failed to configure VLAN for VF\n"); + return rc; + } + + /* Update the default-vlan & silent vlan stripping */ + memset(&vport_update, 0, sizeof(vport_update)); + vport_update.opaque_fid = p_vf->opaque_fid; + vport_update.vport_id = p_vf->vport_id; + vport_update.update_default_vlan_enable_flg = 1; + vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0; + vport_update.update_default_vlan_flg = 1; + vport_update.default_vlan = filter.vlan; + + vport_update.update_inner_vlan_removal_flg = 1; + removal = filter.vlan ? 1 + : p_vf->shadow_config.inner_vlan_removal; + vport_update.inner_vlan_removal_flg = removal; + vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0; + rc = qed_sp_vport_update(p_hwfn, + &vport_update, + QED_SPQ_MODE_EBLOCK, NULL); + if (rc) { + DP_NOTICE(p_hwfn, + "PF failed to configure VF vport for vlan\n"); + return rc; + } + + /* Update all the Rx queues */ + for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) { + struct qed_vf_queue *p_queue = &p_vf->vf_queues[i]; + struct qed_queue_cid *p_cid = NULL; + + /* There can be at most 1 Rx queue on qzone. Find it */ + p_cid = qed_iov_get_vf_rx_queue_cid(p_queue); + if (!p_cid) + continue; + + rc = qed_sp_eth_rx_queues_update(p_hwfn, + (void **)&p_cid, + 1, 0, 1, + QED_SPQ_MODE_EBLOCK, + NULL); + if (rc) { + DP_NOTICE(p_hwfn, + "Failed to send Rx update fo queue[0x%04x]\n", + p_cid->rel.queue_id); + return rc; + } + } + + if (filter.vlan) + p_vf->configured_features |= 1 << VLAN_ADDR_FORCED; + else + p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED); + } + + /* If forced features are terminated, we need to configure the shadow + * configuration back again. + */ + if (events) + qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events); + + return rc; +} + +static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + struct qed_sp_vport_start_params params = { 0 }; + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_vport_start_tlv *start; + u8 status = PFVF_STATUS_SUCCESS; + struct qed_vf_info *vf_info; + u64 *p_bitmap; + int sb_id; + int rc; + + vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vf->relative_vf_id, true); + if (!vf_info) { + DP_NOTICE(p_hwfn->cdev, + "Failed to get VF info, invalid vfid [%d]\n", + vf->relative_vf_id); + return; + } + + vf->state = VF_ENABLED; + start = &mbx->req_virt->start_vport; + + qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf); + + /* Initialize Status block in CAU */ + for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) { + if (!start->sb_addr[sb_id]) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d] did not fill the address of SB %d\n", + vf->relative_vf_id, sb_id); + break; + } + + qed_int_cau_conf_sb(p_hwfn, p_ptt, + start->sb_addr[sb_id], + vf->igu_sbs[sb_id], vf->abs_vf_id, 1); + } + + vf->mtu = start->mtu; + vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal; + + /* Take into consideration configuration forced by hypervisor; + * If none is configured, use the supplied VF values [for old + * vfs that would still be fine, since they passed '0' as padding]. + */ + p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap; + if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) { + u8 vf_req = start->only_untagged; + + vf_info->bulletin.p_virt->default_only_untagged = vf_req; + *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT; + } + + params.tpa_mode = start->tpa_mode; + params.remove_inner_vlan = start->inner_vlan_removal; + params.tx_switching = true; + + params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged; + params.drop_ttl0 = false; + params.concrete_fid = vf->concrete_fid; + params.opaque_fid = vf->opaque_fid; + params.vport_id = vf->vport_id; + params.max_buffers_per_cqe = start->max_buffers_per_cqe; + params.mtu = vf->mtu; + + /* Non trusted VFs should enable control frame filtering */ + params.check_mac = !vf->p_vf_info.is_trusted_configured; + + rc = qed_sp_eth_vport_start(p_hwfn, ¶ms); + if (rc) { + DP_ERR(p_hwfn, + "%s returned error %d\n", __func__, rc); + status = PFVF_STATUS_FAILURE; + } else { + vf->vport_instance++; + + /* Force configuration if needed on the newly opened vport */ + qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap); + + __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val); + } + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START, + sizeof(struct pfvf_def_resp_tlv), status); +} + +static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + u8 status = PFVF_STATUS_SUCCESS; + int rc; + + vf->vport_instance--; + vf->spoof_chk = false; + + if ((qed_iov_validate_active_rxq(p_hwfn, vf)) || + (qed_iov_validate_active_txq(p_hwfn, vf))) { + vf->b_malicious = true; + DP_NOTICE(p_hwfn, + "VF [%02x] - considered malicious; Unable to stop RX/TX queues\n", + vf->abs_vf_id); + status = PFVF_STATUS_MALICIOUS; + goto out; + } + + rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id); + if (rc) { + DP_ERR(p_hwfn, "%s returned error %d\n", + __func__, rc); + status = PFVF_STATUS_FAILURE; + } + + /* Forget the configuration on the vport */ + vf->configured_features = 0; + memset(&vf->shadow_config, 0, sizeof(vf->shadow_config)); + +out: + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN, + sizeof(struct pfvf_def_resp_tlv), status); +} + +static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf, + u8 status, bool b_legacy) +{ + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + struct pfvf_start_queue_resp_tlv *p_tlv; + struct vfpf_start_rxq_tlv *req; + u16 length; + + mbx->offset = (u8 *)mbx->reply_virt; + + /* Taking a bigger struct instead of adding a TLV to list was a + * mistake, but one which we're now stuck with, as some older + * clients assume the size of the previous response. + */ + if (!b_legacy) + length = sizeof(*p_tlv); + else + length = sizeof(struct pfvf_def_resp_tlv); + + p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ, + length); + qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END, + sizeof(struct channel_list_end_tlv)); + + /* Update the TLV with the response */ + if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) { + req = &mbx->req_virt->start_rxq; + p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B + + offsetof(struct mstorm_vf_zone, + non_trigger.eth_rx_queue_producers) + + sizeof(struct eth_rx_prod_data) * req->rx_qid; + } + + qed_iov_send_response(p_hwfn, p_ptt, vf, length, status); +} + +static u8 qed_iov_vf_mbx_qid(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, bool b_is_tx) +{ + struct qed_iov_vf_mbx *p_mbx = &p_vf->vf_mbx; + struct vfpf_qid_tlv *p_qid_tlv; + + /* Search for the qid if the VF published its going to provide it */ + if (!(p_vf->acquire.vfdev_info.capabilities & + VFPF_ACQUIRE_CAP_QUEUE_QIDS)) { + if (b_is_tx) + return QED_IOV_LEGACY_QID_TX; + else + return QED_IOV_LEGACY_QID_RX; + } + + p_qid_tlv = (struct vfpf_qid_tlv *) + qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, + CHANNEL_TLV_QID); + if (!p_qid_tlv) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%2x]: Failed to provide qid\n", + p_vf->relative_vf_id); + + return QED_IOV_QID_INVALID; + } + + if (p_qid_tlv->qid >= MAX_QUEUES_PER_QZONE) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%02x]: Provided qid out-of-bounds %02x\n", + p_vf->relative_vf_id, p_qid_tlv->qid); + return QED_IOV_QID_INVALID; + } + + return p_qid_tlv->qid; +} + +static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + struct qed_queue_start_common_params params; + struct qed_queue_cid_vf_params vf_params; + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + u8 status = PFVF_STATUS_NO_RESOURCE; + u8 qid_usage_idx, vf_legacy = 0; + struct vfpf_start_rxq_tlv *req; + struct qed_vf_queue *p_queue; + struct qed_queue_cid *p_cid; + struct qed_sb_info sb_dummy; + int rc; + + req = &mbx->req_virt->start_rxq; + + if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid, + QED_IOV_VALIDATE_Q_DISABLE) || + !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb)) + goto out; + + qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false); + if (qid_usage_idx == QED_IOV_QID_INVALID) + goto out; + + p_queue = &vf->vf_queues[req->rx_qid]; + if (p_queue->cids[qid_usage_idx].p_cid) + goto out; + + vf_legacy = qed_vf_calculate_legacy(vf); + + /* Acquire a new queue-cid */ + memset(¶ms, 0, sizeof(params)); + params.queue_id = p_queue->fw_rx_qid; + params.vport_id = vf->vport_id; + params.stats_id = vf->abs_vf_id + 0x10; + /* Since IGU index is passed via sb_info, construct a dummy one */ + memset(&sb_dummy, 0, sizeof(sb_dummy)); + sb_dummy.igu_sb_id = req->hw_sb; + params.p_sb = &sb_dummy; + params.sb_idx = req->sb_index; + + memset(&vf_params, 0, sizeof(vf_params)); + vf_params.vfid = vf->relative_vf_id; + vf_params.vf_qid = (u8)req->rx_qid; + vf_params.vf_legacy = vf_legacy; + vf_params.qid_usage_idx = qid_usage_idx; + p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid, + ¶ms, true, &vf_params); + if (!p_cid) + goto out; + + /* Legacy VFs have their Producers in a different location, which they + * calculate on their own and clean the producer prior to this. + */ + if (!(vf_legacy & QED_QCID_LEGACY_VF_RX_PROD)) + qed_wr(p_hwfn, p_ptt, MSEM_REG_FAST_MEMORY + + SEM_FAST_REG_INT_RAM + + MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, + req->rx_qid), 0); + + rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid, + req->bd_max_bytes, + req->rxq_addr, + req->cqe_pbl_addr, req->cqe_pbl_size); + if (rc) { + status = PFVF_STATUS_FAILURE; + qed_eth_queue_cid_release(p_hwfn, p_cid); + } else { + p_queue->cids[qid_usage_idx].p_cid = p_cid; + p_queue->cids[qid_usage_idx].b_is_tx = false; + status = PFVF_STATUS_SUCCESS; + vf->num_active_rxqs++; + } + +out: + qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status, + !!(vf_legacy & + QED_QCID_LEGACY_VF_RX_PROD)); +} + +static void +qed_iov_pf_update_tun_response(struct pfvf_update_tunn_param_tlv *p_resp, + struct qed_tunnel_info *p_tun, + u16 tunn_feature_mask) +{ + p_resp->tunn_feature_mask = tunn_feature_mask; + p_resp->vxlan_mode = p_tun->vxlan.b_mode_enabled; + p_resp->l2geneve_mode = p_tun->l2_geneve.b_mode_enabled; + p_resp->ipgeneve_mode = p_tun->ip_geneve.b_mode_enabled; + p_resp->l2gre_mode = p_tun->l2_gre.b_mode_enabled; + p_resp->ipgre_mode = p_tun->l2_gre.b_mode_enabled; + p_resp->vxlan_clss = p_tun->vxlan.tun_cls; + p_resp->l2gre_clss = p_tun->l2_gre.tun_cls; + p_resp->ipgre_clss = p_tun->ip_gre.tun_cls; + p_resp->l2geneve_clss = p_tun->l2_geneve.tun_cls; + p_resp->ipgeneve_clss = p_tun->ip_geneve.tun_cls; + p_resp->geneve_udp_port = p_tun->geneve_port.port; + p_resp->vxlan_udp_port = p_tun->vxlan_port.port; +} + +static void +__qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req, + struct qed_tunn_update_type *p_tun, + enum qed_tunn_mode mask, u8 tun_cls) +{ + if (p_req->tun_mode_update_mask & BIT(mask)) { + p_tun->b_update_mode = true; + + if (p_req->tunn_mode & BIT(mask)) + p_tun->b_mode_enabled = true; + } + + p_tun->tun_cls = tun_cls; +} + +static void +qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req, + struct qed_tunn_update_type *p_tun, + struct qed_tunn_update_udp_port *p_port, + enum qed_tunn_mode mask, + u8 tun_cls, u8 update_port, u16 port) +{ + if (update_port) { + p_port->b_update_port = true; + p_port->port = port; + } + + __qed_iov_pf_update_tun_param(p_req, p_tun, mask, tun_cls); +} + +static bool +qed_iov_pf_validate_tunn_param(struct vfpf_update_tunn_param_tlv *p_req) +{ + bool b_update_requested = false; + + if (p_req->tun_mode_update_mask || p_req->update_tun_cls || + p_req->update_geneve_port || p_req->update_vxlan_port) + b_update_requested = true; + + return b_update_requested; +} + +static void qed_pf_validate_tunn_mode(struct qed_tunn_update_type *tun, int *rc) +{ + if (tun->b_update_mode && !tun->b_mode_enabled) { + tun->b_update_mode = false; + *rc = -EINVAL; + } +} + +static int +qed_pf_validate_modify_tunn_config(struct qed_hwfn *p_hwfn, + u16 *tun_features, bool *update, + struct qed_tunnel_info *tun_src) +{ + struct qed_eth_cb_ops *ops = p_hwfn->cdev->protocol_ops.eth; + struct qed_tunnel_info *tun = &p_hwfn->cdev->tunnel; + u16 bultn_vxlan_port, bultn_geneve_port; + void *cookie = p_hwfn->cdev->ops_cookie; + int i, rc = 0; + + *tun_features = p_hwfn->cdev->tunn_feature_mask; + bultn_vxlan_port = tun->vxlan_port.port; + bultn_geneve_port = tun->geneve_port.port; + qed_pf_validate_tunn_mode(&tun_src->vxlan, &rc); + qed_pf_validate_tunn_mode(&tun_src->l2_geneve, &rc); + qed_pf_validate_tunn_mode(&tun_src->ip_geneve, &rc); + qed_pf_validate_tunn_mode(&tun_src->l2_gre, &rc); + qed_pf_validate_tunn_mode(&tun_src->ip_gre, &rc); + + if ((tun_src->b_update_rx_cls || tun_src->b_update_tx_cls) && + (tun_src->vxlan.tun_cls != QED_TUNN_CLSS_MAC_VLAN || + tun_src->l2_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN || + tun_src->ip_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN || + tun_src->l2_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN || + tun_src->ip_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN)) { + tun_src->b_update_rx_cls = false; + tun_src->b_update_tx_cls = false; + rc = -EINVAL; + } + + if (tun_src->vxlan_port.b_update_port) { + if (tun_src->vxlan_port.port == tun->vxlan_port.port) { + tun_src->vxlan_port.b_update_port = false; + } else { + *update = true; + bultn_vxlan_port = tun_src->vxlan_port.port; + } + } + + if (tun_src->geneve_port.b_update_port) { + if (tun_src->geneve_port.port == tun->geneve_port.port) { + tun_src->geneve_port.b_update_port = false; + } else { + *update = true; + bultn_geneve_port = tun_src->geneve_port.port; + } + } + + qed_for_each_vf(p_hwfn, i) { + qed_iov_bulletin_set_udp_ports(p_hwfn, i, bultn_vxlan_port, + bultn_geneve_port); + } + + qed_schedule_iov(p_hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG); + ops->ports_update(cookie, bultn_vxlan_port, bultn_geneve_port); + + return rc; +} + +static void qed_iov_vf_mbx_update_tunn_param(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *p_vf) +{ + struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel; + struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx; + struct pfvf_update_tunn_param_tlv *p_resp; + struct vfpf_update_tunn_param_tlv *p_req; + u8 status = PFVF_STATUS_SUCCESS; + bool b_update_required = false; + struct qed_tunnel_info tunn; + u16 tunn_feature_mask = 0; + int i, rc = 0; + + mbx->offset = (u8 *)mbx->reply_virt; + + memset(&tunn, 0, sizeof(tunn)); + p_req = &mbx->req_virt->tunn_param_update; + + if (!qed_iov_pf_validate_tunn_param(p_req)) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "No tunnel update requested by VF\n"); + status = PFVF_STATUS_FAILURE; + goto send_resp; + } + + tunn.b_update_rx_cls = p_req->update_tun_cls; + tunn.b_update_tx_cls = p_req->update_tun_cls; + + qed_iov_pf_update_tun_param(p_req, &tunn.vxlan, &tunn.vxlan_port, + QED_MODE_VXLAN_TUNN, p_req->vxlan_clss, + p_req->update_vxlan_port, + p_req->vxlan_port); + qed_iov_pf_update_tun_param(p_req, &tunn.l2_geneve, &tunn.geneve_port, + QED_MODE_L2GENEVE_TUNN, + p_req->l2geneve_clss, + p_req->update_geneve_port, + p_req->geneve_port); + __qed_iov_pf_update_tun_param(p_req, &tunn.ip_geneve, + QED_MODE_IPGENEVE_TUNN, + p_req->ipgeneve_clss); + __qed_iov_pf_update_tun_param(p_req, &tunn.l2_gre, + QED_MODE_L2GRE_TUNN, p_req->l2gre_clss); + __qed_iov_pf_update_tun_param(p_req, &tunn.ip_gre, + QED_MODE_IPGRE_TUNN, p_req->ipgre_clss); + + /* If PF modifies VF's req then it should + * still return an error in case of partial configuration + * or modified configuration as opposed to requested one. + */ + rc = qed_pf_validate_modify_tunn_config(p_hwfn, &tunn_feature_mask, + &b_update_required, &tunn); + + if (rc) + status = PFVF_STATUS_FAILURE; + + /* If QED client is willing to update anything ? */ + if (b_update_required) { + u16 geneve_port; + + rc = qed_sp_pf_update_tunn_cfg(p_hwfn, p_ptt, &tunn, + QED_SPQ_MODE_EBLOCK, NULL); + if (rc) + status = PFVF_STATUS_FAILURE; + + geneve_port = p_tun->geneve_port.port; + qed_for_each_vf(p_hwfn, i) { + qed_iov_bulletin_set_udp_ports(p_hwfn, i, + p_tun->vxlan_port.port, + geneve_port); + } + } + +send_resp: + p_resp = qed_add_tlv(p_hwfn, &mbx->offset, + CHANNEL_TLV_UPDATE_TUNN_PARAM, sizeof(*p_resp)); + + qed_iov_pf_update_tun_response(p_resp, p_tun, tunn_feature_mask); + qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END, + sizeof(struct channel_list_end_tlv)); + + qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status); +} + +static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *p_vf, + u32 cid, u8 status) +{ + struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx; + struct pfvf_start_queue_resp_tlv *p_tlv; + bool b_legacy = false; + u16 length; + + mbx->offset = (u8 *)mbx->reply_virt; + + /* Taking a bigger struct instead of adding a TLV to list was a + * mistake, but one which we're now stuck with, as some older + * clients assume the size of the previous response. + */ + if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor == + ETH_HSI_VER_NO_PKT_LEN_TUNN) + b_legacy = true; + + if (!b_legacy) + length = sizeof(*p_tlv); + else + length = sizeof(struct pfvf_def_resp_tlv); + + p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ, + length); + qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END, + sizeof(struct channel_list_end_tlv)); + + /* Update the TLV with the response */ + if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) + p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY); + + qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status); +} + +static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + struct qed_queue_start_common_params params; + struct qed_queue_cid_vf_params vf_params; + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + u8 status = PFVF_STATUS_NO_RESOURCE; + struct vfpf_start_txq_tlv *req; + struct qed_vf_queue *p_queue; + struct qed_queue_cid *p_cid; + struct qed_sb_info sb_dummy; + u8 qid_usage_idx, vf_legacy; + u32 cid = 0; + int rc; + u16 pq; + + memset(¶ms, 0, sizeof(params)); + req = &mbx->req_virt->start_txq; + + if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid, + QED_IOV_VALIDATE_Q_NA) || + !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb)) + goto out; + + qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true); + if (qid_usage_idx == QED_IOV_QID_INVALID) + goto out; + + p_queue = &vf->vf_queues[req->tx_qid]; + if (p_queue->cids[qid_usage_idx].p_cid) + goto out; + + vf_legacy = qed_vf_calculate_legacy(vf); + + /* Acquire a new queue-cid */ + params.queue_id = p_queue->fw_tx_qid; + params.vport_id = vf->vport_id; + params.stats_id = vf->abs_vf_id + 0x10; + + /* Since IGU index is passed via sb_info, construct a dummy one */ + memset(&sb_dummy, 0, sizeof(sb_dummy)); + sb_dummy.igu_sb_id = req->hw_sb; + params.p_sb = &sb_dummy; + params.sb_idx = req->sb_index; + + memset(&vf_params, 0, sizeof(vf_params)); + vf_params.vfid = vf->relative_vf_id; + vf_params.vf_qid = (u8)req->tx_qid; + vf_params.vf_legacy = vf_legacy; + vf_params.qid_usage_idx = qid_usage_idx; + + p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid, + ¶ms, false, &vf_params); + if (!p_cid) + goto out; + + pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id); + rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid, + req->pbl_addr, req->pbl_size, pq); + if (rc) { + status = PFVF_STATUS_FAILURE; + qed_eth_queue_cid_release(p_hwfn, p_cid); + } else { + status = PFVF_STATUS_SUCCESS; + p_queue->cids[qid_usage_idx].p_cid = p_cid; + p_queue->cids[qid_usage_idx].b_is_tx = true; + cid = p_cid->cid; + } + +out: + qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status); +} + +static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn, + struct qed_vf_info *vf, + u16 rxq_id, + u8 qid_usage_idx, bool cqe_completion) +{ + struct qed_vf_queue *p_queue; + int rc = 0; + + if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id, QED_IOV_VALIDATE_Q_NA)) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d] Tried Closing Rx 0x%04x.%02x which is inactive\n", + vf->relative_vf_id, rxq_id, qid_usage_idx); + return -EINVAL; + } + + p_queue = &vf->vf_queues[rxq_id]; + + /* We've validated the index and the existence of the active RXQ - + * now we need to make sure that it's using the correct qid. + */ + if (!p_queue->cids[qid_usage_idx].p_cid || + p_queue->cids[qid_usage_idx].b_is_tx) { + struct qed_queue_cid *p_cid; + + p_cid = qed_iov_get_vf_rx_queue_cid(p_queue); + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d] - Tried Closing Rx 0x%04x.%02x, but Rx is at %04x.%02x\n", + vf->relative_vf_id, + rxq_id, qid_usage_idx, rxq_id, p_cid->qid_usage_idx); + return -EINVAL; + } + + /* Now that we know we have a valid Rx-queue - close it */ + rc = qed_eth_rx_queue_stop(p_hwfn, + p_queue->cids[qid_usage_idx].p_cid, + false, cqe_completion); + if (rc) + return rc; + + p_queue->cids[qid_usage_idx].p_cid = NULL; + vf->num_active_rxqs--; + + return 0; +} + +static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn, + struct qed_vf_info *vf, + u16 txq_id, u8 qid_usage_idx) +{ + struct qed_vf_queue *p_queue; + int rc = 0; + + if (!qed_iov_validate_txq(p_hwfn, vf, txq_id, QED_IOV_VALIDATE_Q_NA)) + return -EINVAL; + + p_queue = &vf->vf_queues[txq_id]; + if (!p_queue->cids[qid_usage_idx].p_cid || + !p_queue->cids[qid_usage_idx].b_is_tx) + return -EINVAL; + + rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid); + if (rc) + return rc; + + p_queue->cids[qid_usage_idx].p_cid = NULL; + return 0; +} + +static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + u16 length = sizeof(struct pfvf_def_resp_tlv); + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + u8 status = PFVF_STATUS_FAILURE; + struct vfpf_stop_rxqs_tlv *req; + u8 qid_usage_idx; + int rc; + + /* There has never been an official driver that used this interface + * for stopping multiple queues, and it is now considered deprecated. + * Validate this isn't used here. + */ + req = &mbx->req_virt->stop_rxqs; + if (req->num_rxqs != 1) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Odd; VF[%d] tried stopping multiple Rx queues\n", + vf->relative_vf_id); + status = PFVF_STATUS_NOT_SUPPORTED; + goto out; + } + + /* Find which qid-index is associated with the queue */ + qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false); + if (qid_usage_idx == QED_IOV_QID_INVALID) + goto out; + + rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid, + qid_usage_idx, req->cqe_completion); + if (!rc) + status = PFVF_STATUS_SUCCESS; +out: + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS, + length, status); +} + +static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + u16 length = sizeof(struct pfvf_def_resp_tlv); + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + u8 status = PFVF_STATUS_FAILURE; + struct vfpf_stop_txqs_tlv *req; + u8 qid_usage_idx; + int rc; + + /* There has never been an official driver that used this interface + * for stopping multiple queues, and it is now considered deprecated. + * Validate this isn't used here. + */ + req = &mbx->req_virt->stop_txqs; + if (req->num_txqs != 1) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Odd; VF[%d] tried stopping multiple Tx queues\n", + vf->relative_vf_id); + status = PFVF_STATUS_NOT_SUPPORTED; + goto out; + } + + /* Find which qid-index is associated with the queue */ + qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true); + if (qid_usage_idx == QED_IOV_QID_INVALID) + goto out; + + rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx); + if (!rc) + status = PFVF_STATUS_SUCCESS; + +out: + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS, + length, status); +} + +static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF]; + u16 length = sizeof(struct pfvf_def_resp_tlv); + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_update_rxq_tlv *req; + u8 status = PFVF_STATUS_FAILURE; + u8 complete_event_flg; + u8 complete_cqe_flg; + u8 qid_usage_idx; + int rc; + u8 i; + + req = &mbx->req_virt->update_rxq; + complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG); + complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG); + + qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false); + if (qid_usage_idx == QED_IOV_QID_INVALID) + goto out; + + /* There shouldn't exist a VF that uses queue-qids yet uses this + * API with multiple Rx queues. Validate this. + */ + if ((vf->acquire.vfdev_info.capabilities & + VFPF_ACQUIRE_CAP_QUEUE_QIDS) && req->num_rxqs != 1) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d] supports QIDs but sends multiple queues\n", + vf->relative_vf_id); + goto out; + } + + /* Validate inputs - for the legacy case this is still true since + * qid_usage_idx for each Rx queue would be LEGACY_QID_RX. + */ + for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++) { + if (!qed_iov_validate_rxq(p_hwfn, vf, i, + QED_IOV_VALIDATE_Q_NA) || + !vf->vf_queues[i].cids[qid_usage_idx].p_cid || + vf->vf_queues[i].cids[qid_usage_idx].b_is_tx) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d]: Incorrect Rxqs [%04x, %02x]\n", + vf->relative_vf_id, req->rx_qid, + req->num_rxqs); + goto out; + } + } + + /* Prepare the handlers */ + for (i = 0; i < req->num_rxqs; i++) { + u16 qid = req->rx_qid + i; + + handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid; + } + + rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers, + req->num_rxqs, + complete_cqe_flg, + complete_event_flg, + QED_SPQ_MODE_EBLOCK, NULL); + if (rc) + goto out; + + status = PFVF_STATUS_SUCCESS; +out: + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ, + length, status); +} + +void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn, + void *p_tlvs_list, u16 req_type) +{ + struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list; + int len = 0; + + do { + if (!p_tlv->length) { + DP_NOTICE(p_hwfn, "Zero length TLV found\n"); + return NULL; + } + + if (p_tlv->type == req_type) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Extended tlv type %d, length %d found\n", + p_tlv->type, p_tlv->length); + return p_tlv; + } + + len += p_tlv->length; + p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length); + + if ((len + p_tlv->length) > TLV_BUFFER_SIZE) { + DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n"); + return NULL; + } + } while (p_tlv->type != CHANNEL_TLV_LIST_END); + + return NULL; +} + +static void +qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn, + struct qed_sp_vport_update_params *p_data, + struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_activate_tlv *p_act_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; + + p_act_tlv = (struct vfpf_vport_update_activate_tlv *) + qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + if (!p_act_tlv) + return; + + p_data->update_vport_active_rx_flg = p_act_tlv->update_rx; + p_data->vport_active_rx_flg = p_act_tlv->active_rx; + p_data->update_vport_active_tx_flg = p_act_tlv->update_tx; + p_data->vport_active_tx_flg = p_act_tlv->active_tx; + *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE; +} + +static void +qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn, + struct qed_sp_vport_update_params *p_data, + struct qed_vf_info *p_vf, + struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP; + + p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *) + qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + if (!p_vlan_tlv) + return; + + p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan; + + /* Ignore the VF request if we're forcing a vlan */ + if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) { + p_data->update_inner_vlan_removal_flg = 1; + p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan; + } + + *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP; +} + +static void +qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn, + struct qed_sp_vport_update_params *p_data, + struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH; + + p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *) + qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, + tlv); + if (!p_tx_switch_tlv) + return; + + p_data->update_tx_switching_flg = 1; + p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching; + *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH; +} + +static void +qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn, + struct qed_sp_vport_update_params *p_data, + struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST; + + p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *) + qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + if (!p_mcast_tlv) + return; + + p_data->update_approx_mcast_flg = 1; + memcpy(p_data->bins, p_mcast_tlv->bins, + sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS); + *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST; +} + +static void +qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn, + struct qed_sp_vport_update_params *p_data, + struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct qed_filter_accept_flags *p_flags = &p_data->accept_flags; + struct vfpf_vport_update_accept_param_tlv *p_accept_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; + + p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *) + qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + if (!p_accept_tlv) + return; + + p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode; + p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter; + p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode; + p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter; + *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM; +} + +static void +qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn, + struct qed_sp_vport_update_params *p_data, + struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN; + + p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *) + qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, + tlv); + if (!p_accept_any_vlan) + return; + + p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan; + p_data->update_accept_any_vlan_flg = + p_accept_any_vlan->update_accept_any_vlan_flg; + *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN; +} + +static void +qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn, + struct qed_vf_info *vf, + struct qed_sp_vport_update_params *p_data, + struct qed_rss_params *p_rss, + struct qed_iov_vf_mbx *p_mbx, + u16 *tlvs_mask, u16 *tlvs_accepted) +{ + struct vfpf_vport_update_rss_tlv *p_rss_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS; + bool b_reject = false; + u16 table_size; + u16 i, q_idx; + + p_rss_tlv = (struct vfpf_vport_update_rss_tlv *) + qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + if (!p_rss_tlv) { + p_data->rss_params = NULL; + return; + } + + memset(p_rss, 0, sizeof(struct qed_rss_params)); + + p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags & + VFPF_UPDATE_RSS_CONFIG_FLAG); + p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags & + VFPF_UPDATE_RSS_CAPS_FLAG); + p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags & + VFPF_UPDATE_RSS_IND_TABLE_FLAG); + p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags & + VFPF_UPDATE_RSS_KEY_FLAG); + + p_rss->rss_enable = p_rss_tlv->rss_enable; + p_rss->rss_eng_id = vf->relative_vf_id + 1; + p_rss->rss_caps = p_rss_tlv->rss_caps; + p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log; + memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key)); + + table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table), + (1 << p_rss_tlv->rss_table_size_log)); + + for (i = 0; i < table_size; i++) { + struct qed_queue_cid *p_cid; + + q_idx = p_rss_tlv->rss_ind_table[i]; + if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx, + QED_IOV_VALIDATE_Q_ENABLE)) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d]: Omitting RSS due to wrong queue %04x\n", + vf->relative_vf_id, q_idx); + b_reject = true; + goto out; + } + + p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]); + p_rss->rss_ind_table[i] = p_cid; + } + + p_data->rss_params = p_rss; +out: + *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS; + if (!b_reject) + *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS; +} + +static void +qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn, + struct qed_vf_info *vf, + struct qed_sp_vport_update_params *p_data, + struct qed_sge_tpa_params *p_sge_tpa, + struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA; + + p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *) + qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + + if (!p_sge_tpa_tlv) { + p_data->sge_tpa_params = NULL; + return; + } + + memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params)); + + p_sge_tpa->update_tpa_en_flg = + !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG); + p_sge_tpa->update_tpa_param_flg = + !!(p_sge_tpa_tlv->update_sge_tpa_flags & + VFPF_UPDATE_TPA_PARAM_FLAG); + + p_sge_tpa->tpa_ipv4_en_flg = + !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG); + p_sge_tpa->tpa_ipv6_en_flg = + !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG); + p_sge_tpa->tpa_pkt_split_flg = + !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG); + p_sge_tpa->tpa_hdr_data_split_flg = + !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG); + p_sge_tpa->tpa_gro_consistent_flg = + !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG); + + p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num; + p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size; + p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start; + p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont; + p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe; + + p_data->sge_tpa_params = p_sge_tpa; + + *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA; +} + +static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn, + u8 vfid, + struct qed_sp_vport_update_params *params, + u16 *tlvs) +{ + u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED; + struct qed_filter_accept_flags *flags = ¶ms->accept_flags; + struct qed_public_vf_info *vf_info; + u16 tlv_mask; + + tlv_mask = BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM) | + BIT(QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN); + + /* Untrusted VFs can't even be trusted to know that fact. + * Simply indicate everything is configured fine, and trace + * configuration 'behind their back'. + */ + if (!(*tlvs & tlv_mask)) + return 0; + + vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true); + + if (flags->update_rx_mode_config) { + vf_info->rx_accept_mode = flags->rx_accept_filter; + if (!vf_info->is_trusted_configured) + flags->rx_accept_filter &= ~mask; + } + + if (flags->update_tx_mode_config) { + vf_info->tx_accept_mode = flags->tx_accept_filter; + if (!vf_info->is_trusted_configured) + flags->tx_accept_filter &= ~mask; + } + + if (params->update_accept_any_vlan_flg) { + vf_info->accept_any_vlan = params->accept_any_vlan; + + if (vf_info->forced_vlan && !vf_info->is_trusted_configured) + params->accept_any_vlan = false; + } + + return 0; +} + +static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + struct qed_rss_params *p_rss_params = NULL; + struct qed_sp_vport_update_params params; + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + struct qed_sge_tpa_params sge_tpa_params; + u16 tlvs_mask = 0, tlvs_accepted = 0; + u8 status = PFVF_STATUS_SUCCESS; + u16 length; + int rc; + + /* Valiate PF can send such a request */ + if (!vf->vport_instance) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "No VPORT instance available for VF[%d], failing vport update\n", + vf->abs_vf_id); + status = PFVF_STATUS_FAILURE; + goto out; + } + p_rss_params = vzalloc(sizeof(*p_rss_params)); + if (!p_rss_params) { + status = PFVF_STATUS_FAILURE; + goto out; + } + + memset(¶ms, 0, sizeof(params)); + params.opaque_fid = vf->opaque_fid; + params.vport_id = vf->vport_id; + params.rss_params = NULL; + + /* Search for extended tlvs list and update values + * from VF in struct qed_sp_vport_update_params. + */ + qed_iov_vp_update_act_param(p_hwfn, ¶ms, mbx, &tlvs_mask); + qed_iov_vp_update_vlan_param(p_hwfn, ¶ms, vf, mbx, &tlvs_mask); + qed_iov_vp_update_tx_switch(p_hwfn, ¶ms, mbx, &tlvs_mask); + qed_iov_vp_update_mcast_bin_param(p_hwfn, ¶ms, mbx, &tlvs_mask); + qed_iov_vp_update_accept_flag(p_hwfn, ¶ms, mbx, &tlvs_mask); + qed_iov_vp_update_accept_any_vlan(p_hwfn, ¶ms, mbx, &tlvs_mask); + qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, ¶ms, + &sge_tpa_params, mbx, &tlvs_mask); + + tlvs_accepted = tlvs_mask; + + /* Some of the extended TLVs need to be validated first; In that case, + * they can update the mask without updating the accepted [so that + * PF could communicate to VF it has rejected request]. + */ + qed_iov_vp_update_rss_param(p_hwfn, vf, ¶ms, p_rss_params, + mbx, &tlvs_mask, &tlvs_accepted); + + if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id, + ¶ms, &tlvs_accepted)) { + tlvs_accepted = 0; + status = PFVF_STATUS_NOT_SUPPORTED; + goto out; + } + + if (!tlvs_accepted) { + if (tlvs_mask) + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Upper-layer prevents VF vport configuration\n"); + else + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "No feature tlvs found for vport update\n"); + status = PFVF_STATUS_NOT_SUPPORTED; + goto out; + } + + rc = qed_sp_vport_update(p_hwfn, ¶ms, QED_SPQ_MODE_EBLOCK, NULL); + + if (rc) + status = PFVF_STATUS_FAILURE; + +out: + vfree(p_rss_params); + length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status, + tlvs_mask, tlvs_accepted); + qed_iov_send_response(p_hwfn, p_ptt, vf, length, status); +} + +static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, + struct qed_filter_ucast *p_params) +{ + int i; + + /* First remove entries and then add new ones */ + if (p_params->opcode == QED_FILTER_REMOVE) { + for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) + if (p_vf->shadow_config.vlans[i].used && + p_vf->shadow_config.vlans[i].vid == + p_params->vlan) { + p_vf->shadow_config.vlans[i].used = false; + break; + } + if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF [%d] - Tries to remove a non-existing vlan\n", + p_vf->relative_vf_id); + return -EINVAL; + } + } else if (p_params->opcode == QED_FILTER_REPLACE || + p_params->opcode == QED_FILTER_FLUSH) { + for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) + p_vf->shadow_config.vlans[i].used = false; + } + + /* In forced mode, we're willing to remove entries - but we don't add + * new ones. + */ + if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)) + return 0; + + if (p_params->opcode == QED_FILTER_ADD || + p_params->opcode == QED_FILTER_REPLACE) { + for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) { + if (p_vf->shadow_config.vlans[i].used) + continue; + + p_vf->shadow_config.vlans[i].used = true; + p_vf->shadow_config.vlans[i].vid = p_params->vlan; + break; + } + + if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF [%d] - Tries to configure more than %d vlan filters\n", + p_vf->relative_vf_id, + QED_ETH_VF_NUM_VLAN_FILTERS + 1); + return -EINVAL; + } + } + + return 0; +} + +static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, + struct qed_filter_ucast *p_params) +{ + int i; + + /* If we're in forced-mode, we don't allow any change */ + if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) + return 0; + + /* Don't keep track of shadow copy since we don't intend to restore. */ + if (p_vf->p_vf_info.is_trusted_configured) + return 0; + + /* First remove entries and then add new ones */ + if (p_params->opcode == QED_FILTER_REMOVE) { + for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) { + if (ether_addr_equal(p_vf->shadow_config.macs[i], + p_params->mac)) { + eth_zero_addr(p_vf->shadow_config.macs[i]); + break; + } + } + + if (i == QED_ETH_VF_NUM_MAC_FILTERS) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "MAC isn't configured\n"); + return -EINVAL; + } + } else if (p_params->opcode == QED_FILTER_REPLACE || + p_params->opcode == QED_FILTER_FLUSH) { + for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) + eth_zero_addr(p_vf->shadow_config.macs[i]); + } + + /* List the new MAC address */ + if (p_params->opcode != QED_FILTER_ADD && + p_params->opcode != QED_FILTER_REPLACE) + return 0; + + for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) { + if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) { + ether_addr_copy(p_vf->shadow_config.macs[i], + p_params->mac); + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Added MAC at %d entry in shadow\n", i); + break; + } + } + + if (i == QED_ETH_VF_NUM_MAC_FILTERS) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n"); + return -EINVAL; + } + + return 0; +} + +static int +qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, + struct qed_filter_ucast *p_params) +{ + int rc = 0; + + if (p_params->type == QED_FILTER_MAC) { + rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params); + if (rc) + return rc; + } + + if (p_params->type == QED_FILTER_VLAN) + rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params); + + return rc; +} + +static int qed_iov_chk_ucast(struct qed_hwfn *hwfn, + int vfid, struct qed_filter_ucast *params) +{ + struct qed_public_vf_info *vf; + + vf = qed_iov_get_public_vf_info(hwfn, vfid, true); + if (!vf) + return -EINVAL; + + /* No real decision to make; Store the configured MAC */ + if (params->type == QED_FILTER_MAC || + params->type == QED_FILTER_MAC_VLAN) { + ether_addr_copy(vf->mac, params->mac); + + if (vf->is_trusted_configured) { + qed_iov_bulletin_set_mac(hwfn, vf->mac, vfid); + + /* Update and post bulleitin again */ + qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG); + } + } + + return 0; +} + +static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt; + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_ucast_filter_tlv *req; + u8 status = PFVF_STATUS_SUCCESS; + struct qed_filter_ucast params; + int rc; + + /* Prepare the unicast filter params */ + memset(¶ms, 0, sizeof(struct qed_filter_ucast)); + req = &mbx->req_virt->ucast_filter; + params.opcode = (enum qed_filter_opcode)req->opcode; + params.type = (enum qed_filter_ucast_type)req->type; + + params.is_rx_filter = 1; + params.is_tx_filter = 1; + params.vport_to_remove_from = vf->vport_id; + params.vport_to_add_to = vf->vport_id; + memcpy(params.mac, req->mac, ETH_ALEN); + params.vlan = req->vlan; + + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %pM, vlan 0x%04x\n", + vf->abs_vf_id, params.opcode, params.type, + params.is_rx_filter ? "RX" : "", + params.is_tx_filter ? "TX" : "", + params.vport_to_add_to, + params.mac, params.vlan); + + if (!vf->vport_instance) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "No VPORT instance available for VF[%d], failing ucast MAC configuration\n", + vf->abs_vf_id); + status = PFVF_STATUS_FAILURE; + goto out; + } + + /* Update shadow copy of the VF configuration */ + if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, ¶ms)) { + status = PFVF_STATUS_FAILURE; + goto out; + } + + /* Determine if the unicast filtering is acceptible by PF */ + if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) && + (params.type == QED_FILTER_VLAN || + params.type == QED_FILTER_MAC_VLAN)) { + /* Once VLAN is forced or PVID is set, do not allow + * to add/replace any further VLANs. + */ + if (params.opcode == QED_FILTER_ADD || + params.opcode == QED_FILTER_REPLACE) + status = PFVF_STATUS_FORCED; + goto out; + } + + if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) && + (params.type == QED_FILTER_MAC || + params.type == QED_FILTER_MAC_VLAN)) { + if (!ether_addr_equal(p_bulletin->mac, params.mac) || + (params.opcode != QED_FILTER_ADD && + params.opcode != QED_FILTER_REPLACE)) + status = PFVF_STATUS_FORCED; + goto out; + } + + rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, ¶ms); + if (rc) { + status = PFVF_STATUS_FAILURE; + goto out; + } + + rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, ¶ms, + QED_SPQ_MODE_CB, NULL); + if (rc) + status = PFVF_STATUS_FAILURE; + +out: + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER, + sizeof(struct pfvf_def_resp_tlv), status); +} + +static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + int i; + + /* Reset the SBs */ + for (i = 0; i < vf->num_sbs; i++) + qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt, + vf->igu_sbs[i], + vf->opaque_fid, false); + + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP, + sizeof(struct pfvf_def_resp_tlv), + PFVF_STATUS_SUCCESS); +} + +static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, struct qed_vf_info *vf) +{ + u16 length = sizeof(struct pfvf_def_resp_tlv); + u8 status = PFVF_STATUS_SUCCESS; + + /* Disable Interrupts for VF */ + qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0); + + /* Reset Permission table */ + qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0); + + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE, + length, status); +} + +static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *p_vf) +{ + u16 length = sizeof(struct pfvf_def_resp_tlv); + u8 status = PFVF_STATUS_SUCCESS; + int rc = 0; + + qed_iov_vf_cleanup(p_hwfn, p_vf); + + if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) { + /* Stopping the VF */ + rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid, + p_vf->opaque_fid); + + if (rc) { + DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n", + rc); + status = PFVF_STATUS_FAILURE; + } + + p_vf->state = VF_STOPPED; + } + + qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE, + length, status); +} + +static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *p_vf) +{ + struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx; + struct pfvf_read_coal_resp_tlv *p_resp; + struct vfpf_read_coal_req_tlv *req; + u8 status = PFVF_STATUS_FAILURE; + struct qed_vf_queue *p_queue; + struct qed_queue_cid *p_cid; + u16 coal = 0, qid, i; + bool b_is_rx; + int rc = 0; + + mbx->offset = (u8 *)mbx->reply_virt; + req = &mbx->req_virt->read_coal_req; + + qid = req->qid; + b_is_rx = req->is_rx ? true : false; + + if (b_is_rx) { + if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid, + QED_IOV_VALIDATE_Q_ENABLE)) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d]: Invalid Rx queue_id = %d\n", + p_vf->abs_vf_id, qid); + goto send_resp; + } + + p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]); + rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal); + if (rc) + goto send_resp; + } else { + if (!qed_iov_validate_txq(p_hwfn, p_vf, qid, + QED_IOV_VALIDATE_Q_ENABLE)) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d]: Invalid Tx queue_id = %d\n", + p_vf->abs_vf_id, qid); + goto send_resp; + } + for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) { + p_queue = &p_vf->vf_queues[qid]; + if ((!p_queue->cids[i].p_cid) || + (!p_queue->cids[i].b_is_tx)) + continue; + + p_cid = p_queue->cids[i].p_cid; + + rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal); + if (rc) + goto send_resp; + break; + } + } + + status = PFVF_STATUS_SUCCESS; + +send_resp: + p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ, + sizeof(*p_resp)); + p_resp->coal = coal; + + qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END, + sizeof(struct channel_list_end_tlv)); + + qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status); +} + +static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_update_coalesce *req; + u8 status = PFVF_STATUS_FAILURE; + struct qed_queue_cid *p_cid; + u16 rx_coal, tx_coal; + int rc = 0, i; + u16 qid; + + req = &mbx->req_virt->update_coalesce; + + rx_coal = req->rx_coal; + tx_coal = req->tx_coal; + qid = req->qid; + + if (!qed_iov_validate_rxq(p_hwfn, vf, qid, + QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d]: Invalid Rx queue_id = %d\n", + vf->abs_vf_id, qid); + goto out; + } + + if (!qed_iov_validate_txq(p_hwfn, vf, qid, + QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d]: Invalid Tx queue_id = %d\n", + vf->abs_vf_id, qid); + goto out; + } + + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n", + vf->abs_vf_id, rx_coal, tx_coal, qid); + + if (rx_coal) { + p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]); + + rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid); + if (rc) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d]: Unable to set rx queue = %d coalesce\n", + vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid); + goto out; + } + vf->rx_coal = rx_coal; + } + + if (tx_coal) { + struct qed_vf_queue *p_queue = &vf->vf_queues[qid]; + + for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) { + if (!p_queue->cids[i].p_cid) + continue; + + if (!p_queue->cids[i].b_is_tx) + continue; + + rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal, + p_queue->cids[i].p_cid); + + if (rc) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d]: Unable to set tx queue coalesce\n", + vf->abs_vf_id); + goto out; + } + } + vf->tx_coal = tx_coal; + } + + status = PFVF_STATUS_SUCCESS; +out: + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE, + sizeof(struct pfvf_def_resp_tlv), status); +} + +static int +qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, struct qed_ptt *p_ptt) +{ + int cnt; + u32 val; + + qed_fid_pretend(p_hwfn, p_ptt, (u16)p_vf->concrete_fid); + + for (cnt = 0; cnt < 50; cnt++) { + val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT); + if (!val) + break; + msleep(20); + } + qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid); + + if (cnt == 50) { + DP_ERR(p_hwfn, + "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n", + p_vf->abs_vf_id, val); + return -EBUSY; + } + + return 0; +} + +#define MAX_NUM_EXT_VOQS (MAX_NUM_PORTS * NUM_OF_TCS) + +static int +qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, struct qed_ptt *p_ptt) +{ + u32 prod, cons[MAX_NUM_EXT_VOQS], distance[MAX_NUM_EXT_VOQS], tmp; + u8 max_phys_tcs_per_port = p_hwfn->qm_info.max_phys_tcs_per_port; + u8 max_ports_per_engine = p_hwfn->cdev->num_ports_in_engine; + u32 prod_voq0_addr = PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0; + u32 cons_voq0_addr = PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0; + u8 port_id, tc, tc_id = 0, voq = 0; + int cnt; + + memset(cons, 0, MAX_NUM_EXT_VOQS * sizeof(u32)); + memset(distance, 0, MAX_NUM_EXT_VOQS * sizeof(u32)); + + /* Read initial consumers & producers */ + for (port_id = 0; port_id < max_ports_per_engine; port_id++) { + /* "max_phys_tcs_per_port" active TCs + 1 pure LB TC */ + for (tc = 0; tc < max_phys_tcs_per_port + 1; tc++) { + tc_id = (tc < max_phys_tcs_per_port) ? tc : PURE_LB_TC; + voq = VOQ(port_id, tc_id, max_phys_tcs_per_port); + cons[voq] = qed_rd(p_hwfn, p_ptt, + cons_voq0_addr + voq * 0x40); + prod = qed_rd(p_hwfn, p_ptt, + prod_voq0_addr + voq * 0x40); + distance[voq] = prod - cons[voq]; + } + } + + /* Wait for consumers to pass the producers */ + port_id = 0; + tc = 0; + for (cnt = 0; cnt < 50; cnt++) { + for (; port_id < max_ports_per_engine; port_id++) { + /* "max_phys_tcs_per_port" active TCs + 1 pure LB TC */ + for (; tc < max_phys_tcs_per_port + 1; tc++) { + tc_id = (tc < max_phys_tcs_per_port) ? + tc : PURE_LB_TC; + voq = VOQ(port_id, + tc_id, max_phys_tcs_per_port); + tmp = qed_rd(p_hwfn, p_ptt, + cons_voq0_addr + voq * 0x40); + if (distance[voq] > tmp - cons[voq]) + break; + } + + if (tc == max_phys_tcs_per_port + 1) + tc = 0; + else + break; + } + + if (port_id == max_ports_per_engine) + break; + + msleep(20); + } + + if (cnt == 50) { + DP_ERR(p_hwfn, "VF[%d]: pbf poll failed on VOQ%d\n", + p_vf->abs_vf_id, (int)voq); + + DP_ERR(p_hwfn, "VOQ %d has port_id as %d and tc_id as %d]\n", + (int)voq, (int)port_id, (int)tc_id); + + return -EBUSY; + } + + return 0; +} + +static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn, + struct qed_vf_info *p_vf, struct qed_ptt *p_ptt) +{ + int rc; + + rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt); + if (rc) + return rc; + + rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt); + if (rc) + return rc; + + return 0; +} + +static int +qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u16 rel_vf_id, u32 *ack_vfs) +{ + struct qed_vf_info *p_vf; + int rc = 0; + + p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false); + if (!p_vf) + return 0; + + if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] & + (1ULL << (rel_vf_id % 64))) { + u16 vfid = p_vf->abs_vf_id; + + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d] - Handling FLR\n", vfid); + + qed_iov_vf_cleanup(p_hwfn, p_vf); + + /* If VF isn't active, no need for anything but SW */ + if (!p_vf->b_init) + goto cleanup; + + rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt); + if (rc) + goto cleanup; + + rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true); + if (rc) { + DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid); + return rc; + } + + /* Workaround to make VF-PF channel ready, as FW + * doesn't do that as a part of FLR. + */ + REG_WR(p_hwfn, + GET_GTT_REG_ADDR(GTT_BAR0_MAP_REG_USDM_RAM, + USTORM_VF_PF_CHANNEL_READY, vfid), 1); + + /* VF_STOPPED has to be set only after final cleanup + * but prior to re-enabling the VF. + */ + p_vf->state = VF_STOPPED; + + rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf); + if (rc) { + DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n", + vfid); + return rc; + } +cleanup: + /* Mark VF for ack and clean pending state */ + if (p_vf->state == VF_RESET) + p_vf->state = VF_STOPPED; + ack_vfs[vfid / 32] |= BIT((vfid % 32)); + p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &= + ~(1ULL << (rel_vf_id % 64)); + p_vf->vf_mbx.b_pending_msg = false; + } + + return rc; +} + +static int +qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) +{ + u32 ack_vfs[VF_MAX_STATIC / 32]; + int rc = 0; + u16 i; + + memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32)); + + /* Since BRB <-> PRS interface can't be tested as part of the flr + * polling due to HW limitations, simply sleep a bit. And since + * there's no need to wait per-vf, do it before looping. + */ + msleep(100); + + for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) + qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs); + + rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs); + return rc; +} + +bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs) +{ + bool found = false; + u16 i; + + DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n"); + for (i = 0; i < (VF_MAX_STATIC / 32); i++) + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "[%08x,...,%08x]: %08x\n", + i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]); + + if (!p_hwfn->cdev->p_iov_info) { + DP_NOTICE(p_hwfn, "VF flr but no IOV\n"); + return false; + } + + /* Mark VFs */ + for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) { + struct qed_vf_info *p_vf; + u8 vfid; + + p_vf = qed_iov_get_vf_info(p_hwfn, i, false); + if (!p_vf) + continue; + + vfid = p_vf->abs_vf_id; + if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) { + u64 *p_flr = p_hwfn->pf_iov_info->pending_flr; + u16 rel_vf_id = p_vf->relative_vf_id; + + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d] [rel %d] got FLR-ed\n", + vfid, rel_vf_id); + + p_vf->state = VF_RESET; + + /* No need to lock here, since pending_flr should + * only change here and before ACKing MFw. Since + * MFW will not trigger an additional attention for + * VF flr until ACKs, we're safe. + */ + p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64); + found = true; + } + } + + return found; +} + +static int qed_iov_get_link(struct qed_hwfn *p_hwfn, + u16 vfid, + struct qed_mcp_link_params *p_params, + struct qed_mcp_link_state *p_link, + struct qed_mcp_link_capabilities *p_caps) +{ + struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn, + vfid, + false); + struct qed_bulletin_content *p_bulletin; + + if (!p_vf) + return -EINVAL; + + p_bulletin = p_vf->bulletin.p_virt; + + if (p_params) + __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin); + if (p_link) + __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin); + if (p_caps) + __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin); + return 0; +} + +static int +qed_iov_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *p_vf) +{ + struct qed_bulletin_content *p_bulletin = p_vf->bulletin.p_virt; + struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx; + struct vfpf_bulletin_update_mac_tlv *p_req; + u8 status = PFVF_STATUS_SUCCESS; + int rc = 0; + + if (!p_vf->p_vf_info.is_trusted_configured) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "Blocking bulletin update request from untrusted VF[%d]\n", + p_vf->abs_vf_id); + status = PFVF_STATUS_NOT_SUPPORTED; + rc = -EINVAL; + goto send_status; + } + + p_req = &mbx->req_virt->bulletin_update_mac; + ether_addr_copy(p_bulletin->mac, p_req->mac); + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Updated bulletin of VF[%d] with requested MAC[%pM]\n", + p_vf->abs_vf_id, p_req->mac); + +send_status: + qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, + CHANNEL_TLV_BULLETIN_UPDATE_MAC, + sizeof(struct pfvf_def_resp_tlv), status); + return rc; +} + +static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, int vfid) +{ + struct qed_iov_vf_mbx *mbx; + struct qed_vf_info *p_vf; + + p_vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!p_vf) + return; + + mbx = &p_vf->vf_mbx; + + /* qed_iov_process_mbx_request */ + if (!mbx->b_pending_msg) { + DP_NOTICE(p_hwfn, + "VF[%02x]: Trying to process mailbox message when none is pending\n", + p_vf->abs_vf_id); + return; + } + mbx->b_pending_msg = false; + + mbx->first_tlv = mbx->req_virt->first_tlv; + + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%02x]: Processing mailbox message [type %04x]\n", + p_vf->abs_vf_id, mbx->first_tlv.tl.type); + + /* check if tlv type is known */ + if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) && + !p_vf->b_malicious) { + switch (mbx->first_tlv.tl.type) { + case CHANNEL_TLV_ACQUIRE: + qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_VPORT_START: + qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_VPORT_TEARDOWN: + qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_START_RXQ: + qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_START_TXQ: + qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_STOP_RXQS: + qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_STOP_TXQS: + qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_UPDATE_RXQ: + qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_VPORT_UPDATE: + qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_UCAST_FILTER: + qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_CLOSE: + qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_INT_CLEANUP: + qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_RELEASE: + qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_UPDATE_TUNN_PARAM: + qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_COALESCE_UPDATE: + qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_COALESCE_READ: + qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_BULLETIN_UPDATE_MAC: + qed_iov_vf_pf_bulletin_update_mac(p_hwfn, p_ptt, p_vf); + break; + } + } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n", + p_vf->abs_vf_id, mbx->first_tlv.tl.type); + + qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, + mbx->first_tlv.tl.type, + sizeof(struct pfvf_def_resp_tlv), + PFVF_STATUS_MALICIOUS); + } else { + /* unknown TLV - this may belong to a VF driver from the future + * - a version written after this PF driver was written, which + * supports features unknown as of yet. Too bad since we don't + * support them. Or this may be because someone wrote a crappy + * VF driver and is sending garbage over the channel. + */ + DP_NOTICE(p_hwfn, + "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n", + p_vf->abs_vf_id, + mbx->first_tlv.tl.type, + mbx->first_tlv.tl.length, + mbx->first_tlv.padding, mbx->first_tlv.reply_address); + + /* Try replying in case reply address matches the acquisition's + * posted address. + */ + if (p_vf->acquire.first_tlv.reply_address && + (mbx->first_tlv.reply_address == + p_vf->acquire.first_tlv.reply_address)) { + qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, + mbx->first_tlv.tl.type, + sizeof(struct pfvf_def_resp_tlv), + PFVF_STATUS_NOT_SUPPORTED); + } else { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%02x]: Can't respond to TLV - no valid reply address\n", + p_vf->abs_vf_id); + } + } +} + +static void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events) +{ + int i; + + memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH); + + qed_for_each_vf(p_hwfn, i) { + struct qed_vf_info *p_vf; + + p_vf = &p_hwfn->pf_iov_info->vfs_array[i]; + if (p_vf->vf_mbx.b_pending_msg) + events[i / 64] |= 1ULL << (i % 64); + } +} + +static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn, + u16 abs_vfid) +{ + u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf; + + if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n", + abs_vfid); + return NULL; + } + + return &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min]; +} + +static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn, + u16 abs_vfid, struct regpair *vf_msg) +{ + struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn, + abs_vfid); + + if (!p_vf) + return 0; + + /* List the physical address of the request so that handler + * could later on copy the message from it. + */ + p_vf->vf_mbx.pending_req = HILO_64(vf_msg->hi, vf_msg->lo); + + /* Mark the event and schedule the workqueue */ + p_vf->vf_mbx.b_pending_msg = true; + qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG); + + return 0; +} + +void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn, + struct fw_err_data *p_data) +{ + struct qed_vf_info *p_vf; + + p_vf = qed_sriov_get_vf_from_absid(p_hwfn, qed_vf_from_entity_id + (p_data->entity_id)); + if (!p_vf) + return; + + if (!p_vf->b_malicious) { + DP_NOTICE(p_hwfn, + "VF [%d] - Malicious behavior [%02x]\n", + p_vf->abs_vf_id, p_data->err_id); + + p_vf->b_malicious = true; + } else { + DP_INFO(p_hwfn, + "VF [%d] - Malicious behavior [%02x]\n", + p_vf->abs_vf_id, p_data->err_id); + } +} + +int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn, u8 opcode, __le16 echo, + union event_ring_data *data, u8 fw_return_code) +{ + switch (opcode) { + case COMMON_EVENT_VF_PF_CHANNEL: + return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo), + &data->vf_pf_channel.msg_addr); + default: + DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n", + opcode); + return -EINVAL; + } +} + +u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id) +{ + struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info; + u16 i; + + if (!p_iov) + goto out; + + for (i = rel_vf_id; i < p_iov->total_vfs; i++) + if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false)) + return i; + +out: + return MAX_NUM_VFS; +} + +static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt, + int vfid) +{ + struct qed_dmae_params params; + struct qed_vf_info *vf_info; + + vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) + return -EINVAL; + + memset(¶ms, 0, sizeof(params)); + SET_FIELD(params.flags, QED_DMAE_PARAMS_SRC_VF_VALID, 0x1); + SET_FIELD(params.flags, QED_DMAE_PARAMS_COMPLETION_DST, 0x1); + params.src_vfid = vf_info->abs_vf_id; + + if (qed_dmae_host2host(p_hwfn, ptt, + vf_info->vf_mbx.pending_req, + vf_info->vf_mbx.req_phys, + sizeof(union vfpf_tlvs) / 4, ¶ms)) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Failed to copy message from VF 0x%02x\n", vfid); + + return -EIO; + } + + return 0; +} + +static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn, + u8 *mac, int vfid) +{ + struct qed_vf_info *vf_info; + u64 feature; + + vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) { + DP_NOTICE(p_hwfn->cdev, + "Can not set forced MAC, invalid vfid [%d]\n", vfid); + return; + } + + if (vf_info->b_malicious) { + DP_NOTICE(p_hwfn->cdev, + "Can't set forced MAC to malicious VF [%d]\n", vfid); + return; + } + + if (vf_info->p_vf_info.is_trusted_configured) { + feature = BIT(VFPF_BULLETIN_MAC_ADDR); + /* Trust mode will disable Forced MAC */ + vf_info->bulletin.p_virt->valid_bitmap &= + ~BIT(MAC_ADDR_FORCED); + } else { + feature = BIT(MAC_ADDR_FORCED); + /* Forced MAC will disable MAC_ADDR */ + vf_info->bulletin.p_virt->valid_bitmap &= + ~BIT(VFPF_BULLETIN_MAC_ADDR); + } + + memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN); + + vf_info->bulletin.p_virt->valid_bitmap |= feature; + + qed_iov_configure_vport_forced(p_hwfn, vf_info, feature); +} + +static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid) +{ + struct qed_vf_info *vf_info; + u64 feature; + + vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) { + DP_NOTICE(p_hwfn->cdev, "Can not set MAC, invalid vfid [%d]\n", + vfid); + return -EINVAL; + } + + if (vf_info->b_malicious) { + DP_NOTICE(p_hwfn->cdev, "Can't set MAC to malicious VF [%d]\n", + vfid); + return -EINVAL; + } + + if (vf_info->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Can not set MAC, Forced MAC is configured\n"); + return -EINVAL; + } + + feature = BIT(VFPF_BULLETIN_MAC_ADDR); + ether_addr_copy(vf_info->bulletin.p_virt->mac, mac); + + vf_info->bulletin.p_virt->valid_bitmap |= feature; + + if (vf_info->p_vf_info.is_trusted_configured) + qed_iov_configure_vport_forced(p_hwfn, vf_info, feature); + + return 0; +} + +static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn, + u16 pvid, int vfid) +{ + struct qed_vf_info *vf_info; + u64 feature; + + vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) { + DP_NOTICE(p_hwfn->cdev, + "Can not set forced MAC, invalid vfid [%d]\n", vfid); + return; + } + + if (vf_info->b_malicious) { + DP_NOTICE(p_hwfn->cdev, + "Can't set forced vlan to malicious VF [%d]\n", vfid); + return; + } + + feature = 1 << VLAN_ADDR_FORCED; + vf_info->bulletin.p_virt->pvid = pvid; + if (pvid) + vf_info->bulletin.p_virt->valid_bitmap |= feature; + else + vf_info->bulletin.p_virt->valid_bitmap &= ~feature; + + qed_iov_configure_vport_forced(p_hwfn, vf_info, feature); +} + +void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn, + int vfid, u16 vxlan_port, u16 geneve_port) +{ + struct qed_vf_info *vf_info; + + vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) { + DP_NOTICE(p_hwfn->cdev, + "Can not set udp ports, invalid vfid [%d]\n", vfid); + return; + } + + if (vf_info->b_malicious) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Can not set udp ports to malicious VF [%d]\n", + vfid); + return; + } + + vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port; + vf_info->bulletin.p_virt->geneve_udp_port = geneve_port; +} + +static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid) +{ + struct qed_vf_info *p_vf_info; + + p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!p_vf_info) + return false; + + return !!p_vf_info->vport_instance; +} + +static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid) +{ + struct qed_vf_info *p_vf_info; + + p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!p_vf_info) + return true; + + return p_vf_info->state == VF_STOPPED; +} + +static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid) +{ + struct qed_vf_info *vf_info; + + vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) + return false; + + return vf_info->spoof_chk; +} + +static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val) +{ + struct qed_vf_info *vf; + int rc = -EINVAL; + + if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) { + DP_NOTICE(p_hwfn, + "SR-IOV sanity check failed, can't set spoofchk\n"); + goto out; + } + + vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf) + goto out; + + if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) { + /* After VF VPORT start PF will configure spoof check */ + vf->req_spoofchk_val = val; + rc = 0; + goto out; + } + + rc = __qed_iov_spoofchk_set(p_hwfn, vf, val); + +out: + return rc; +} + +static u8 *qed_iov_bulletin_get_mac(struct qed_hwfn *p_hwfn, u16 rel_vf_id) +{ + struct qed_vf_info *p_vf; + + p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf || !p_vf->bulletin.p_virt) + return NULL; + + if (!(p_vf->bulletin.p_virt->valid_bitmap & + BIT(VFPF_BULLETIN_MAC_ADDR))) + return NULL; + + return p_vf->bulletin.p_virt->mac; +} + +static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn, + u16 rel_vf_id) +{ + struct qed_vf_info *p_vf; + + p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf || !p_vf->bulletin.p_virt) + return NULL; + + if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) + return NULL; + + return p_vf->bulletin.p_virt->mac; +} + +static u16 +qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id) +{ + struct qed_vf_info *p_vf; + + p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf || !p_vf->bulletin.p_virt) + return 0; + + if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))) + return 0; + + return p_vf->bulletin.p_virt->pvid; +} + +static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, int vfid, int val) +{ + struct qed_vf_info *vf; + u8 abs_vp_id = 0; + u16 rl_id; + int rc; + + vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf) + return -EINVAL; + + rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id); + if (rc) + return rc; + + rl_id = abs_vp_id; /* The "rl_id" is set as the "vport_id" */ + return qed_init_global_rl(p_hwfn, p_ptt, rl_id, (u32)val, + QM_RL_TYPE_NORMAL); +} + +static int +qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate) +{ + struct qed_vf_info *vf; + u8 vport_id; + int i; + + for_each_hwfn(cdev, i) { + struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; + + if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) { + DP_NOTICE(p_hwfn, + "SR-IOV sanity check failed, can't set min rate\n"); + return -EINVAL; + } + } + + vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true); + if (!vf) + return -EINVAL; + + vport_id = vf->vport_id; + + return qed_configure_vport_wfq(cdev, vport_id, rate); +} + +static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid) +{ + struct qed_wfq_data *vf_vp_wfq; + struct qed_vf_info *vf_info; + + vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) + return 0; + + vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id]; + + if (vf_vp_wfq->configured) + return vf_vp_wfq->min_speed; + else + return 0; +} + +/** + * qed_schedule_iov - schedules IOV task for VF and PF + * @hwfn: hardware function pointer + * @flag: IOV flag for VF/PF + */ +void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag) +{ + /* Memory barrier for setting atomic bit */ + smp_mb__before_atomic(); + set_bit(flag, &hwfn->iov_task_flags); + /* Memory barrier after setting atomic bit */ + smp_mb__after_atomic(); + DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag); + queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0); +} + +void qed_vf_start_iov_wq(struct qed_dev *cdev) +{ + int i; + + for_each_hwfn(cdev, i) + queue_delayed_work(cdev->hwfns[i].iov_wq, + &cdev->hwfns[i].iov_task, 0); +} + +int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled) +{ + int i, j; + + for_each_hwfn(cdev, i) + if (cdev->hwfns[i].iov_wq) + flush_workqueue(cdev->hwfns[i].iov_wq); + + /* Mark VFs for disablement */ + qed_iov_set_vfs_to_disable(cdev, true); + + if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled) + pci_disable_sriov(cdev->pdev); + + if (cdev->recov_in_prog) { + DP_VERBOSE(cdev, + QED_MSG_IOV, + "Skip SRIOV disable operations in the device since a recovery is in progress\n"); + goto out; + } + + for_each_hwfn(cdev, i) { + struct qed_hwfn *hwfn = &cdev->hwfns[i]; + struct qed_ptt *ptt = qed_ptt_acquire(hwfn); + + /* Failure to acquire the ptt in 100g creates an odd error + * where the first engine has already relased IOV. + */ + if (!ptt) { + DP_ERR(hwfn, "Failed to acquire ptt\n"); + return -EBUSY; + } + + /* Clean WFQ db and configure equal weight for all vports */ + qed_clean_wfq_db(hwfn, ptt); + + qed_for_each_vf(hwfn, j) { + int k; + + if (!qed_iov_is_valid_vfid(hwfn, j, true, false)) + continue; + + /* Wait until VF is disabled before releasing */ + for (k = 0; k < 100; k++) { + if (!qed_iov_is_vf_stopped(hwfn, j)) + msleep(20); + else + break; + } + + if (k < 100) + qed_iov_release_hw_for_vf(&cdev->hwfns[i], + ptt, j); + else + DP_ERR(hwfn, + "Timeout waiting for VF's FLR to end\n"); + } + + qed_ptt_release(hwfn, ptt); + } +out: + qed_iov_set_vfs_to_disable(cdev, false); + + return 0; +} + +static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn, + u16 vfid, + struct qed_iov_vf_init_params *params) +{ + u16 base, i; + + /* Since we have an equal resource distribution per-VF, and we assume + * PF has acquired the QED_PF_L2_QUE first queues, we start setting + * sequentially from there. + */ + base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues; + + params->rel_vf_id = vfid; + for (i = 0; i < params->num_queues; i++) { + params->req_rx_queue[i] = base + i; + params->req_tx_queue[i] = base + i; + } +} + +static int qed_sriov_enable(struct qed_dev *cdev, int num) +{ + struct qed_iov_vf_init_params params; + struct qed_hwfn *hwfn; + struct qed_ptt *ptt; + int i, j, rc; + + if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) { + DP_NOTICE(cdev, "Can start at most %d VFs\n", + RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1); + return -EINVAL; + } + + memset(¶ms, 0, sizeof(params)); + + /* Initialize HW for VF access */ + for_each_hwfn(cdev, j) { + hwfn = &cdev->hwfns[j]; + ptt = qed_ptt_acquire(hwfn); + + /* Make sure not to use more than 16 queues per VF */ + params.num_queues = min_t(int, + FEAT_NUM(hwfn, QED_VF_L2_QUE) / num, + 16); + + if (!ptt) { + DP_ERR(hwfn, "Failed to acquire ptt\n"); + rc = -EBUSY; + goto err; + } + + for (i = 0; i < num; i++) { + if (!qed_iov_is_valid_vfid(hwfn, i, false, true)) + continue; + + qed_sriov_enable_qid_config(hwfn, i, ¶ms); + rc = qed_iov_init_hw_for_vf(hwfn, ptt, ¶ms); + if (rc) { + DP_ERR(cdev, "Failed to enable VF[%d]\n", i); + qed_ptt_release(hwfn, ptt); + goto err; + } + } + + qed_ptt_release(hwfn, ptt); + } + + /* Enable SRIOV PCIe functions */ + rc = pci_enable_sriov(cdev->pdev, num); + if (rc) { + DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc); + goto err; + } + + hwfn = QED_LEADING_HWFN(cdev); + ptt = qed_ptt_acquire(hwfn); + if (!ptt) { + DP_ERR(hwfn, "Failed to acquire ptt\n"); + rc = -EBUSY; + goto err; + } + + rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB); + if (rc) + DP_INFO(cdev, "Failed to update eswitch mode\n"); + qed_ptt_release(hwfn, ptt); + + return num; + +err: + qed_sriov_disable(cdev, false); + return rc; +} + +static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param) +{ + if (!IS_QED_SRIOV(cdev)) { + DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n"); + return -EOPNOTSUPP; + } + + if (num_vfs_param) + return qed_sriov_enable(cdev, num_vfs_param); + else + return qed_sriov_disable(cdev, true); +} + +static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid) +{ + int i; + + if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) { + DP_VERBOSE(cdev, QED_MSG_IOV, + "Cannot set a VF MAC; Sriov is not enabled\n"); + return -EINVAL; + } + + if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) { + DP_VERBOSE(cdev, QED_MSG_IOV, + "Cannot set VF[%d] MAC (VF is not active)\n", vfid); + return -EINVAL; + } + + for_each_hwfn(cdev, i) { + struct qed_hwfn *hwfn = &cdev->hwfns[i]; + struct qed_public_vf_info *vf_info; + + vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true); + if (!vf_info) + continue; + + /* Set the MAC, and schedule the IOV task */ + if (vf_info->is_trusted_configured) + ether_addr_copy(vf_info->mac, mac); + else + ether_addr_copy(vf_info->forced_mac, mac); + + qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG); + } + + return 0; +} + +static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid) +{ + int i; + + if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) { + DP_VERBOSE(cdev, QED_MSG_IOV, + "Cannot set a VF MAC; Sriov is not enabled\n"); + return -EINVAL; + } + + if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) { + DP_VERBOSE(cdev, QED_MSG_IOV, + "Cannot set VF[%d] MAC (VF is not active)\n", vfid); + return -EINVAL; + } + + for_each_hwfn(cdev, i) { + struct qed_hwfn *hwfn = &cdev->hwfns[i]; + struct qed_public_vf_info *vf_info; + + vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true); + if (!vf_info) + continue; + + /* Set the forced vlan, and schedule the IOV task */ + vf_info->forced_vlan = vid; + qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG); + } + + return 0; +} + +static int qed_get_vf_config(struct qed_dev *cdev, + int vf_id, struct ifla_vf_info *ivi) +{ + struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); + struct qed_public_vf_info *vf_info; + struct qed_mcp_link_state link; + u32 tx_rate; + int ret; + + /* Sanitize request */ + if (IS_VF(cdev)) + return -EINVAL; + + if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) { + DP_VERBOSE(cdev, QED_MSG_IOV, + "VF index [%d] isn't active\n", vf_id); + return -EINVAL; + } + + vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true); + + ret = qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL); + if (ret) + return ret; + + /* Fill information about VF */ + ivi->vf = vf_id; + + if (is_valid_ether_addr(vf_info->forced_mac)) + ether_addr_copy(ivi->mac, vf_info->forced_mac); + else + ether_addr_copy(ivi->mac, vf_info->mac); + + ivi->vlan = vf_info->forced_vlan; + ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id); + ivi->linkstate = vf_info->link_state; + tx_rate = vf_info->tx_rate; + ivi->max_tx_rate = tx_rate ? tx_rate : link.speed; + ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id); + ivi->trusted = vf_info->is_trusted_request; + + return 0; +} + +void qed_inform_vf_link_state(struct qed_hwfn *hwfn) +{ + struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev); + struct qed_mcp_link_capabilities caps; + struct qed_mcp_link_params params; + struct qed_mcp_link_state link; + int i; + + if (!hwfn->pf_iov_info) + return; + + /* Update bulletin of all future possible VFs with link configuration */ + for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) { + struct qed_public_vf_info *vf_info; + + vf_info = qed_iov_get_public_vf_info(hwfn, i, false); + if (!vf_info) + continue; + + /* Only hwfn0 is actually interested in the link speed. + * But since only it would receive an MFW indication of link, + * need to take configuration from it - otherwise things like + * rate limiting for hwfn1 VF would not work. + */ + memcpy(¶ms, qed_mcp_get_link_params(lead_hwfn), + sizeof(params)); + memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link)); + memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn), + sizeof(caps)); + + /* Modify link according to the VF's configured link state */ + switch (vf_info->link_state) { + case IFLA_VF_LINK_STATE_DISABLE: + link.link_up = false; + break; + case IFLA_VF_LINK_STATE_ENABLE: + link.link_up = true; + /* Set speed according to maximum supported by HW. + * that is 40G for regular devices and 100G for CMT + * mode devices. + */ + link.speed = (hwfn->cdev->num_hwfns > 1) ? + 100000 : 40000; + break; + default: + /* In auto mode pass PF link image to VF */ + break; + } + + if (link.link_up && vf_info->tx_rate) { + struct qed_ptt *ptt; + int rate; + + rate = min_t(int, vf_info->tx_rate, link.speed); + + ptt = qed_ptt_acquire(hwfn); + if (!ptt) { + DP_NOTICE(hwfn, "Failed to acquire PTT\n"); + return; + } + + if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) { + vf_info->tx_rate = rate; + link.speed = rate; + } + + qed_ptt_release(hwfn, ptt); + } + + qed_iov_set_link(hwfn, i, ¶ms, &link, &caps); + } + + qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG); +} + +static int qed_set_vf_link_state(struct qed_dev *cdev, + int vf_id, int link_state) +{ + int i; + + /* Sanitize request */ + if (IS_VF(cdev)) + return -EINVAL; + + if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) { + DP_VERBOSE(cdev, QED_MSG_IOV, + "VF index [%d] isn't active\n", vf_id); + return -EINVAL; + } + + /* Handle configuration of link state */ + for_each_hwfn(cdev, i) { + struct qed_hwfn *hwfn = &cdev->hwfns[i]; + struct qed_public_vf_info *vf; + + vf = qed_iov_get_public_vf_info(hwfn, vf_id, true); + if (!vf) + continue; + + if (vf->link_state == link_state) + continue; + + vf->link_state = link_state; + qed_inform_vf_link_state(&cdev->hwfns[i]); + } + + return 0; +} + +static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val) +{ + int i, rc = -EINVAL; + + for_each_hwfn(cdev, i) { + struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; + + rc = qed_iov_spoofchk_set(p_hwfn, vfid, val); + if (rc) + break; + } + + return rc; +} + +static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate) +{ + int i; + + for_each_hwfn(cdev, i) { + struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; + struct qed_public_vf_info *vf; + + if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) { + DP_NOTICE(p_hwfn, + "SR-IOV sanity check failed, can't set tx rate\n"); + return -EINVAL; + } + + vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true); + + vf->tx_rate = rate; + + qed_inform_vf_link_state(p_hwfn); + } + + return 0; +} + +static int qed_set_vf_rate(struct qed_dev *cdev, + int vfid, u32 min_rate, u32 max_rate) +{ + int rc_min = 0, rc_max = 0; + + if (max_rate) + rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate); + + if (min_rate) + rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate); + + if (rc_max | rc_min) + return -EINVAL; + + return 0; +} + +static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust) +{ + int i; + + for_each_hwfn(cdev, i) { + struct qed_hwfn *hwfn = &cdev->hwfns[i]; + struct qed_public_vf_info *vf; + + if (!qed_iov_pf_sanity_check(hwfn, vfid)) { + DP_NOTICE(hwfn, + "SR-IOV sanity check failed, can't set trust\n"); + return -EINVAL; + } + + vf = qed_iov_get_public_vf_info(hwfn, vfid, true); + + if (vf->is_trusted_request == trust) + return 0; + vf->is_trusted_request = trust; + + qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG); + } + + return 0; +} + +static void qed_handle_vf_msg(struct qed_hwfn *hwfn) +{ + u64 events[QED_VF_ARRAY_LENGTH]; + struct qed_ptt *ptt; + int i; + + ptt = qed_ptt_acquire(hwfn); + if (!ptt) { + DP_VERBOSE(hwfn, QED_MSG_IOV, + "Can't acquire PTT; re-scheduling\n"); + qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG); + return; + } + + qed_iov_pf_get_pending_events(hwfn, events); + + DP_VERBOSE(hwfn, QED_MSG_IOV, + "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n", + events[0], events[1], events[2]); + + qed_for_each_vf(hwfn, i) { + /* Skip VFs with no pending messages */ + if (!(events[i / 64] & (1ULL << (i % 64)))) + continue; + + DP_VERBOSE(hwfn, QED_MSG_IOV, + "Handling VF message from VF 0x%02x [Abs 0x%02x]\n", + i, hwfn->cdev->p_iov_info->first_vf_in_pf + i); + + /* Copy VF's message to PF's request buffer for that VF */ + if (qed_iov_copy_vf_msg(hwfn, ptt, i)) + continue; + + qed_iov_process_mbx_req(hwfn, ptt, i); + } + + qed_ptt_release(hwfn, ptt); +} + +static bool qed_pf_validate_req_vf_mac(struct qed_hwfn *hwfn, + u8 *mac, + struct qed_public_vf_info *info) +{ + if (info->is_trusted_configured) { + if (is_valid_ether_addr(info->mac) && + (!mac || !ether_addr_equal(mac, info->mac))) + return true; + } else { + if (is_valid_ether_addr(info->forced_mac) && + (!mac || !ether_addr_equal(mac, info->forced_mac))) + return true; + } + + return false; +} + +static void qed_set_bulletin_mac(struct qed_hwfn *hwfn, + struct qed_public_vf_info *info, + int vfid) +{ + if (info->is_trusted_configured) + qed_iov_bulletin_set_mac(hwfn, info->mac, vfid); + else + qed_iov_bulletin_set_forced_mac(hwfn, info->forced_mac, vfid); +} + +static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn) +{ + int i; + + qed_for_each_vf(hwfn, i) { + struct qed_public_vf_info *info; + bool update = false; + u8 *mac; + + info = qed_iov_get_public_vf_info(hwfn, i, true); + if (!info) + continue; + + /* Update data on bulletin board */ + if (info->is_trusted_configured) + mac = qed_iov_bulletin_get_mac(hwfn, i); + else + mac = qed_iov_bulletin_get_forced_mac(hwfn, i); + + if (qed_pf_validate_req_vf_mac(hwfn, mac, info)) { + DP_VERBOSE(hwfn, + QED_MSG_IOV, + "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n", + i, + hwfn->cdev->p_iov_info->first_vf_in_pf + i); + + /* Update bulletin board with MAC */ + qed_set_bulletin_mac(hwfn, info, i); + update = true; + } + + if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^ + info->forced_vlan) { + DP_VERBOSE(hwfn, + QED_MSG_IOV, + "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n", + info->forced_vlan, + i, + hwfn->cdev->p_iov_info->first_vf_in_pf + i); + qed_iov_bulletin_set_forced_vlan(hwfn, + info->forced_vlan, i); + update = true; + } + + if (update) + qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG); + } +} + +static void qed_handle_bulletin_post(struct qed_hwfn *hwfn) +{ + struct qed_ptt *ptt; + int i; + + ptt = qed_ptt_acquire(hwfn); + if (!ptt) { + DP_NOTICE(hwfn, "Failed allocating a ptt entry\n"); + qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG); + return; + } + + qed_for_each_vf(hwfn, i) + qed_iov_post_vf_bulletin(hwfn, i, ptt); + + qed_ptt_release(hwfn, ptt); +} + +static void qed_update_mac_for_vf_trust_change(struct qed_hwfn *hwfn, int vf_id) +{ + struct qed_public_vf_info *vf_info; + struct qed_vf_info *vf; + u8 *force_mac; + int i; + + vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true); + vf = qed_iov_get_vf_info(hwfn, vf_id, true); + + if (!vf_info || !vf) + return; + + /* Force MAC converted to generic MAC in case of VF trust on */ + if (vf_info->is_trusted_configured && + (vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) { + force_mac = qed_iov_bulletin_get_forced_mac(hwfn, vf_id); + + if (force_mac) { + /* Clear existing shadow copy of MAC to have a clean + * slate. + */ + for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) { + if (ether_addr_equal(vf->shadow_config.macs[i], + vf_info->mac)) { + eth_zero_addr(vf->shadow_config.macs[i]); + DP_VERBOSE(hwfn, QED_MSG_IOV, + "Shadow MAC %pM removed for VF 0x%02x, VF trust mode is ON\n", + vf_info->mac, vf_id); + break; + } + } + + ether_addr_copy(vf_info->mac, force_mac); + eth_zero_addr(vf_info->forced_mac); + vf->bulletin.p_virt->valid_bitmap &= + ~BIT(MAC_ADDR_FORCED); + qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG); + } + } + + /* Update shadow copy with VF MAC when trust mode is turned off */ + if (!vf_info->is_trusted_configured) { + u8 empty_mac[ETH_ALEN]; + + eth_zero_addr(empty_mac); + for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) { + if (ether_addr_equal(vf->shadow_config.macs[i], + empty_mac)) { + ether_addr_copy(vf->shadow_config.macs[i], + vf_info->mac); + DP_VERBOSE(hwfn, QED_MSG_IOV, + "Shadow is updated with %pM for VF 0x%02x, VF trust mode is OFF\n", + vf_info->mac, vf_id); + break; + } + } + /* Clear bulletin when trust mode is turned off, + * to have a clean slate for next (normal) operations. + */ + qed_iov_bulletin_set_mac(hwfn, empty_mac, vf_id); + qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG); + } +} + +static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn) +{ + struct qed_sp_vport_update_params params; + struct qed_filter_accept_flags *flags; + struct qed_public_vf_info *vf_info; + struct qed_vf_info *vf; + u8 mask; + int i; + + mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED; + flags = ¶ms.accept_flags; + + qed_for_each_vf(hwfn, i) { + /* Need to make sure current requested configuration didn't + * flip so that we'll end up configuring something that's not + * needed. + */ + vf_info = qed_iov_get_public_vf_info(hwfn, i, true); + if (vf_info->is_trusted_configured == + vf_info->is_trusted_request) + continue; + vf_info->is_trusted_configured = vf_info->is_trusted_request; + + /* Handle forced MAC mode */ + qed_update_mac_for_vf_trust_change(hwfn, i); + + /* Validate that the VF has a configured vport */ + vf = qed_iov_get_vf_info(hwfn, i, true); + if (!vf || !vf->vport_instance) + continue; + + memset(¶ms, 0, sizeof(params)); + params.opaque_fid = vf->opaque_fid; + params.vport_id = vf->vport_id; + + params.update_ctl_frame_check = 1; + params.mac_chk_en = !vf_info->is_trusted_configured; + params.update_accept_any_vlan_flg = 0; + + if (vf_info->accept_any_vlan && vf_info->forced_vlan) { + params.update_accept_any_vlan_flg = 1; + params.accept_any_vlan = vf_info->accept_any_vlan; + } + + if (vf_info->rx_accept_mode & mask) { + flags->update_rx_mode_config = 1; + flags->rx_accept_filter = vf_info->rx_accept_mode; + } + + if (vf_info->tx_accept_mode & mask) { + flags->update_tx_mode_config = 1; + flags->tx_accept_filter = vf_info->tx_accept_mode; + } + + /* Remove if needed; Otherwise this would set the mask */ + if (!vf_info->is_trusted_configured) { + flags->rx_accept_filter &= ~mask; + flags->tx_accept_filter &= ~mask; + params.accept_any_vlan = false; + } + + if (flags->update_rx_mode_config || + flags->update_tx_mode_config || + params.update_ctl_frame_check || + params.update_accept_any_vlan_flg) { + DP_VERBOSE(hwfn, QED_MSG_IOV, + "vport update config for %s VF[abs 0x%x rel 0x%x]\n", + vf_info->is_trusted_configured ? "trusted" : "untrusted", + vf->abs_vf_id, vf->relative_vf_id); + qed_sp_vport_update(hwfn, ¶ms, + QED_SPQ_MODE_EBLOCK, NULL); + } + } +} + +static void qed_iov_pf_task(struct work_struct *work) + +{ + struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn, + iov_task.work); + int rc; + + if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags)) + return; + + if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) { + struct qed_ptt *ptt = qed_ptt_acquire(hwfn); + + if (!ptt) { + qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG); + return; + } + + rc = qed_iov_vf_flr_cleanup(hwfn, ptt); + if (rc) + qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG); + + qed_ptt_release(hwfn, ptt); + } + + if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags)) + qed_handle_vf_msg(hwfn); + + if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG, + &hwfn->iov_task_flags)) + qed_handle_pf_set_vf_unicast(hwfn); + + if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG, + &hwfn->iov_task_flags)) + qed_handle_bulletin_post(hwfn); + + if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags)) + qed_iov_handle_trust_change(hwfn); +} + +void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first) +{ + int i; + + for_each_hwfn(cdev, i) { + if (!cdev->hwfns[i].iov_wq) + continue; + + if (schedule_first) { + qed_schedule_iov(&cdev->hwfns[i], + QED_IOV_WQ_STOP_WQ_FLAG); + cancel_delayed_work_sync(&cdev->hwfns[i].iov_task); + } + + destroy_workqueue(cdev->hwfns[i].iov_wq); + } +} + +int qed_iov_wq_start(struct qed_dev *cdev) +{ + char name[NAME_SIZE]; + int i; + + for_each_hwfn(cdev, i) { + struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; + + /* PFs needs a dedicated workqueue only if they support IOV. + * VFs always require one. + */ + if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn)) + continue; + + snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x", + cdev->pdev->bus->number, + PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id); + + p_hwfn->iov_wq = create_singlethread_workqueue(name); + if (!p_hwfn->iov_wq) { + DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n"); + return -ENOMEM; + } + + if (IS_PF(cdev)) + INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task); + else + INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task); + } + + return 0; +} + +const struct qed_iov_hv_ops qed_iov_ops_pass = { + .configure = &qed_sriov_configure, + .set_mac = &qed_sriov_pf_set_mac, + .set_vlan = &qed_sriov_pf_set_vlan, + .get_config = &qed_get_vf_config, + .set_link_state = &qed_set_vf_link_state, + .set_spoof = &qed_spoof_configure, + .set_rate = &qed_set_vf_rate, + .set_trust = &qed_set_vf_trust, +}; |