132a47e72SYuval Mintz /* QLogic qed NIC Driver 232a47e72SYuval Mintz * Copyright (c) 2015 QLogic Corporation 332a47e72SYuval Mintz * 432a47e72SYuval Mintz * This software is available under the terms of the GNU General Public License 532a47e72SYuval Mintz * (GPL) Version 2, available from the file COPYING in the main directory of 632a47e72SYuval Mintz * this source tree. 732a47e72SYuval Mintz */ 832a47e72SYuval Mintz 9dacd88d6SYuval Mintz #include <linux/etherdevice.h> 100b55e27dSYuval Mintz #include <linux/qed/qed_iov_if.h> 111408cc1fSYuval Mintz #include "qed_cxt.h" 121408cc1fSYuval Mintz #include "qed_hsi.h" 1332a47e72SYuval Mintz #include "qed_hw.h" 141408cc1fSYuval Mintz #include "qed_init_ops.h" 1532a47e72SYuval Mintz #include "qed_int.h" 161408cc1fSYuval Mintz #include "qed_mcp.h" 1732a47e72SYuval Mintz #include "qed_reg_addr.h" 181408cc1fSYuval Mintz #include "qed_sp.h" 1932a47e72SYuval Mintz #include "qed_sriov.h" 2032a47e72SYuval Mintz #include "qed_vf.h" 2132a47e72SYuval Mintz 221408cc1fSYuval Mintz /* IOV ramrods */ 231408cc1fSYuval Mintz static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, 241408cc1fSYuval Mintz u32 concrete_vfid, u16 opaque_vfid) 251408cc1fSYuval Mintz { 261408cc1fSYuval Mintz struct vf_start_ramrod_data *p_ramrod = NULL; 271408cc1fSYuval Mintz struct qed_spq_entry *p_ent = NULL; 281408cc1fSYuval Mintz struct qed_sp_init_data init_data; 291408cc1fSYuval Mintz int rc = -EINVAL; 301408cc1fSYuval Mintz 311408cc1fSYuval Mintz /* Get SPQ entry */ 321408cc1fSYuval Mintz memset(&init_data, 0, sizeof(init_data)); 331408cc1fSYuval Mintz init_data.cid = qed_spq_get_cid(p_hwfn); 341408cc1fSYuval Mintz init_data.opaque_fid = opaque_vfid; 351408cc1fSYuval Mintz init_data.comp_mode = QED_SPQ_MODE_EBLOCK; 361408cc1fSYuval Mintz 371408cc1fSYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 381408cc1fSYuval Mintz COMMON_RAMROD_VF_START, 391408cc1fSYuval Mintz PROTOCOLID_COMMON, &init_data); 401408cc1fSYuval Mintz if (rc) 411408cc1fSYuval Mintz return rc; 421408cc1fSYuval Mintz 431408cc1fSYuval Mintz p_ramrod = &p_ent->ramrod.vf_start; 441408cc1fSYuval Mintz 451408cc1fSYuval Mintz p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID); 461408cc1fSYuval Mintz p_ramrod->opaque_fid = cpu_to_le16(opaque_vfid); 471408cc1fSYuval Mintz 481408cc1fSYuval Mintz p_ramrod->personality = PERSONALITY_ETH; 491408cc1fSYuval Mintz 501408cc1fSYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 511408cc1fSYuval Mintz } 521408cc1fSYuval Mintz 530b55e27dSYuval Mintz static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn, 540b55e27dSYuval Mintz u32 concrete_vfid, u16 opaque_vfid) 550b55e27dSYuval Mintz { 560b55e27dSYuval Mintz struct vf_stop_ramrod_data *p_ramrod = NULL; 570b55e27dSYuval Mintz struct qed_spq_entry *p_ent = NULL; 580b55e27dSYuval Mintz struct qed_sp_init_data init_data; 590b55e27dSYuval Mintz int rc = -EINVAL; 600b55e27dSYuval Mintz 610b55e27dSYuval Mintz /* Get SPQ entry */ 620b55e27dSYuval Mintz memset(&init_data, 0, sizeof(init_data)); 630b55e27dSYuval Mintz init_data.cid = qed_spq_get_cid(p_hwfn); 640b55e27dSYuval Mintz init_data.opaque_fid = opaque_vfid; 650b55e27dSYuval Mintz init_data.comp_mode = QED_SPQ_MODE_EBLOCK; 660b55e27dSYuval Mintz 670b55e27dSYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 680b55e27dSYuval Mintz COMMON_RAMROD_VF_STOP, 690b55e27dSYuval Mintz PROTOCOLID_COMMON, &init_data); 700b55e27dSYuval Mintz if (rc) 710b55e27dSYuval Mintz return rc; 720b55e27dSYuval Mintz 730b55e27dSYuval Mintz p_ramrod = &p_ent->ramrod.vf_stop; 740b55e27dSYuval Mintz 750b55e27dSYuval Mintz p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID); 760b55e27dSYuval Mintz 770b55e27dSYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 780b55e27dSYuval Mintz } 790b55e27dSYuval Mintz 8032a47e72SYuval Mintz bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn, 8132a47e72SYuval Mintz int rel_vf_id, bool b_enabled_only) 8232a47e72SYuval Mintz { 8332a47e72SYuval Mintz if (!p_hwfn->pf_iov_info) { 8432a47e72SYuval Mintz DP_NOTICE(p_hwfn->cdev, "No iov info\n"); 8532a47e72SYuval Mintz return false; 8632a47e72SYuval Mintz } 8732a47e72SYuval Mintz 8832a47e72SYuval Mintz if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) || 8932a47e72SYuval Mintz (rel_vf_id < 0)) 9032a47e72SYuval Mintz return false; 9132a47e72SYuval Mintz 9232a47e72SYuval Mintz if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) && 9332a47e72SYuval Mintz b_enabled_only) 9432a47e72SYuval Mintz return false; 9532a47e72SYuval Mintz 9632a47e72SYuval Mintz return true; 9732a47e72SYuval Mintz } 9832a47e72SYuval Mintz 9937bff2b9SYuval Mintz static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn, 10037bff2b9SYuval Mintz u16 relative_vf_id, 10137bff2b9SYuval Mintz bool b_enabled_only) 10237bff2b9SYuval Mintz { 10337bff2b9SYuval Mintz struct qed_vf_info *vf = NULL; 10437bff2b9SYuval Mintz 10537bff2b9SYuval Mintz if (!p_hwfn->pf_iov_info) { 10637bff2b9SYuval Mintz DP_NOTICE(p_hwfn->cdev, "No iov info\n"); 10737bff2b9SYuval Mintz return NULL; 10837bff2b9SYuval Mintz } 10937bff2b9SYuval Mintz 11037bff2b9SYuval Mintz if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id, b_enabled_only)) 11137bff2b9SYuval Mintz vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id]; 11237bff2b9SYuval Mintz else 11337bff2b9SYuval Mintz DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n", 11437bff2b9SYuval Mintz relative_vf_id); 11537bff2b9SYuval Mintz 11637bff2b9SYuval Mintz return vf; 11737bff2b9SYuval Mintz } 11837bff2b9SYuval Mintz 11932a47e72SYuval Mintz static int qed_iov_pci_cfg_info(struct qed_dev *cdev) 12032a47e72SYuval Mintz { 12132a47e72SYuval Mintz struct qed_hw_sriov_info *iov = cdev->p_iov_info; 12232a47e72SYuval Mintz int pos = iov->pos; 12332a47e72SYuval Mintz 12432a47e72SYuval Mintz DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos); 12532a47e72SYuval Mintz pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl); 12632a47e72SYuval Mintz 12732a47e72SYuval Mintz pci_read_config_word(cdev->pdev, 12832a47e72SYuval Mintz pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs); 12932a47e72SYuval Mintz pci_read_config_word(cdev->pdev, 13032a47e72SYuval Mintz pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs); 13132a47e72SYuval Mintz 13232a47e72SYuval Mintz pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs); 13332a47e72SYuval Mintz if (iov->num_vfs) { 13432a47e72SYuval Mintz DP_VERBOSE(cdev, 13532a47e72SYuval Mintz QED_MSG_IOV, 13632a47e72SYuval Mintz "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n"); 13732a47e72SYuval Mintz iov->num_vfs = 0; 13832a47e72SYuval Mintz } 13932a47e72SYuval Mintz 14032a47e72SYuval Mintz pci_read_config_word(cdev->pdev, 14132a47e72SYuval Mintz pos + PCI_SRIOV_VF_OFFSET, &iov->offset); 14232a47e72SYuval Mintz 14332a47e72SYuval Mintz pci_read_config_word(cdev->pdev, 14432a47e72SYuval Mintz pos + PCI_SRIOV_VF_STRIDE, &iov->stride); 14532a47e72SYuval Mintz 14632a47e72SYuval Mintz pci_read_config_word(cdev->pdev, 14732a47e72SYuval Mintz pos + PCI_SRIOV_VF_DID, &iov->vf_device_id); 14832a47e72SYuval Mintz 14932a47e72SYuval Mintz pci_read_config_dword(cdev->pdev, 15032a47e72SYuval Mintz pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz); 15132a47e72SYuval Mintz 15232a47e72SYuval Mintz pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap); 15332a47e72SYuval Mintz 15432a47e72SYuval Mintz pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link); 15532a47e72SYuval Mintz 15632a47e72SYuval Mintz DP_VERBOSE(cdev, 15732a47e72SYuval Mintz QED_MSG_IOV, 15832a47e72SYuval Mintz "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", 15932a47e72SYuval Mintz iov->nres, 16032a47e72SYuval Mintz iov->cap, 16132a47e72SYuval Mintz iov->ctrl, 16232a47e72SYuval Mintz iov->total_vfs, 16332a47e72SYuval Mintz iov->initial_vfs, 16432a47e72SYuval Mintz iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz); 16532a47e72SYuval Mintz 16632a47e72SYuval Mintz /* Some sanity checks */ 16732a47e72SYuval Mintz if (iov->num_vfs > NUM_OF_VFS(cdev) || 16832a47e72SYuval Mintz iov->total_vfs > NUM_OF_VFS(cdev)) { 16932a47e72SYuval Mintz /* This can happen only due to a bug. In this case we set 17032a47e72SYuval Mintz * num_vfs to zero to avoid memory corruption in the code that 17132a47e72SYuval Mintz * assumes max number of vfs 17232a47e72SYuval Mintz */ 17332a47e72SYuval Mintz DP_NOTICE(cdev, 17432a47e72SYuval Mintz "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n", 17532a47e72SYuval Mintz iov->num_vfs); 17632a47e72SYuval Mintz 17732a47e72SYuval Mintz iov->num_vfs = 0; 17832a47e72SYuval Mintz iov->total_vfs = 0; 17932a47e72SYuval Mintz } 18032a47e72SYuval Mintz 18132a47e72SYuval Mintz return 0; 18232a47e72SYuval Mintz } 18332a47e72SYuval Mintz 18432a47e72SYuval Mintz static void qed_iov_clear_vf_igu_blocks(struct qed_hwfn *p_hwfn, 18532a47e72SYuval Mintz struct qed_ptt *p_ptt) 18632a47e72SYuval Mintz { 18732a47e72SYuval Mintz struct qed_igu_block *p_sb; 18832a47e72SYuval Mintz u16 sb_id; 18932a47e72SYuval Mintz u32 val; 19032a47e72SYuval Mintz 19132a47e72SYuval Mintz if (!p_hwfn->hw_info.p_igu_info) { 19232a47e72SYuval Mintz DP_ERR(p_hwfn, 19332a47e72SYuval Mintz "qed_iov_clear_vf_igu_blocks IGU Info not initialized\n"); 19432a47e72SYuval Mintz return; 19532a47e72SYuval Mintz } 19632a47e72SYuval Mintz 19732a47e72SYuval Mintz for (sb_id = 0; sb_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev); 19832a47e72SYuval Mintz sb_id++) { 19932a47e72SYuval Mintz p_sb = &p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks[sb_id]; 20032a47e72SYuval Mintz if ((p_sb->status & QED_IGU_STATUS_FREE) && 20132a47e72SYuval Mintz !(p_sb->status & QED_IGU_STATUS_PF)) { 20232a47e72SYuval Mintz val = qed_rd(p_hwfn, p_ptt, 20332a47e72SYuval Mintz IGU_REG_MAPPING_MEMORY + sb_id * 4); 20432a47e72SYuval Mintz SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0); 20532a47e72SYuval Mintz qed_wr(p_hwfn, p_ptt, 20632a47e72SYuval Mintz IGU_REG_MAPPING_MEMORY + 4 * sb_id, val); 20732a47e72SYuval Mintz } 20832a47e72SYuval Mintz } 20932a47e72SYuval Mintz } 21032a47e72SYuval Mintz 21132a47e72SYuval Mintz static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn) 21232a47e72SYuval Mintz { 21332a47e72SYuval Mintz struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info; 21432a47e72SYuval Mintz struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info; 21532a47e72SYuval Mintz struct qed_bulletin_content *p_bulletin_virt; 21632a47e72SYuval Mintz dma_addr_t req_p, rply_p, bulletin_p; 21732a47e72SYuval Mintz union pfvf_tlvs *p_reply_virt_addr; 21832a47e72SYuval Mintz union vfpf_tlvs *p_req_virt_addr; 21932a47e72SYuval Mintz u8 idx = 0; 22032a47e72SYuval Mintz 22132a47e72SYuval Mintz memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array)); 22232a47e72SYuval Mintz 22332a47e72SYuval Mintz p_req_virt_addr = p_iov_info->mbx_msg_virt_addr; 22432a47e72SYuval Mintz req_p = p_iov_info->mbx_msg_phys_addr; 22532a47e72SYuval Mintz p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr; 22632a47e72SYuval Mintz rply_p = p_iov_info->mbx_reply_phys_addr; 22732a47e72SYuval Mintz p_bulletin_virt = p_iov_info->p_bulletins; 22832a47e72SYuval Mintz bulletin_p = p_iov_info->bulletins_phys; 22932a47e72SYuval Mintz if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) { 23032a47e72SYuval Mintz DP_ERR(p_hwfn, 23132a47e72SYuval Mintz "qed_iov_setup_vfdb called without allocating mem first\n"); 23232a47e72SYuval Mintz return; 23332a47e72SYuval Mintz } 23432a47e72SYuval Mintz 23532a47e72SYuval Mintz for (idx = 0; idx < p_iov->total_vfs; idx++) { 23632a47e72SYuval Mintz struct qed_vf_info *vf = &p_iov_info->vfs_array[idx]; 23732a47e72SYuval Mintz u32 concrete; 23832a47e72SYuval Mintz 23932a47e72SYuval Mintz vf->vf_mbx.req_virt = p_req_virt_addr + idx; 24032a47e72SYuval Mintz vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs); 24132a47e72SYuval Mintz vf->vf_mbx.reply_virt = p_reply_virt_addr + idx; 24232a47e72SYuval Mintz vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs); 24332a47e72SYuval Mintz 24432a47e72SYuval Mintz vf->state = VF_STOPPED; 24532a47e72SYuval Mintz vf->b_init = false; 24632a47e72SYuval Mintz 24732a47e72SYuval Mintz vf->bulletin.phys = idx * 24832a47e72SYuval Mintz sizeof(struct qed_bulletin_content) + 24932a47e72SYuval Mintz bulletin_p; 25032a47e72SYuval Mintz vf->bulletin.p_virt = p_bulletin_virt + idx; 25132a47e72SYuval Mintz vf->bulletin.size = sizeof(struct qed_bulletin_content); 25232a47e72SYuval Mintz 25332a47e72SYuval Mintz vf->relative_vf_id = idx; 25432a47e72SYuval Mintz vf->abs_vf_id = idx + p_iov->first_vf_in_pf; 25532a47e72SYuval Mintz concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id); 25632a47e72SYuval Mintz vf->concrete_fid = concrete; 25732a47e72SYuval Mintz vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) | 25832a47e72SYuval Mintz (vf->abs_vf_id << 8); 25932a47e72SYuval Mintz vf->vport_id = idx + 1; 26032a47e72SYuval Mintz } 26132a47e72SYuval Mintz } 26232a47e72SYuval Mintz 26332a47e72SYuval Mintz static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn) 26432a47e72SYuval Mintz { 26532a47e72SYuval Mintz struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info; 26632a47e72SYuval Mintz void **p_v_addr; 26732a47e72SYuval Mintz u16 num_vfs = 0; 26832a47e72SYuval Mintz 26932a47e72SYuval Mintz num_vfs = p_hwfn->cdev->p_iov_info->total_vfs; 27032a47e72SYuval Mintz 27132a47e72SYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 27232a47e72SYuval Mintz "qed_iov_allocate_vfdb for %d VFs\n", num_vfs); 27332a47e72SYuval Mintz 27432a47e72SYuval Mintz /* Allocate PF Mailbox buffer (per-VF) */ 27532a47e72SYuval Mintz p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs; 27632a47e72SYuval Mintz p_v_addr = &p_iov_info->mbx_msg_virt_addr; 27732a47e72SYuval Mintz *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 27832a47e72SYuval Mintz p_iov_info->mbx_msg_size, 27932a47e72SYuval Mintz &p_iov_info->mbx_msg_phys_addr, 28032a47e72SYuval Mintz GFP_KERNEL); 28132a47e72SYuval Mintz if (!*p_v_addr) 28232a47e72SYuval Mintz return -ENOMEM; 28332a47e72SYuval Mintz 28432a47e72SYuval Mintz /* Allocate PF Mailbox Reply buffer (per-VF) */ 28532a47e72SYuval Mintz p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs; 28632a47e72SYuval Mintz p_v_addr = &p_iov_info->mbx_reply_virt_addr; 28732a47e72SYuval Mintz *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 28832a47e72SYuval Mintz p_iov_info->mbx_reply_size, 28932a47e72SYuval Mintz &p_iov_info->mbx_reply_phys_addr, 29032a47e72SYuval Mintz GFP_KERNEL); 29132a47e72SYuval Mintz if (!*p_v_addr) 29232a47e72SYuval Mintz return -ENOMEM; 29332a47e72SYuval Mintz 29432a47e72SYuval Mintz p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) * 29532a47e72SYuval Mintz num_vfs; 29632a47e72SYuval Mintz p_v_addr = &p_iov_info->p_bulletins; 29732a47e72SYuval Mintz *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 29832a47e72SYuval Mintz p_iov_info->bulletins_size, 29932a47e72SYuval Mintz &p_iov_info->bulletins_phys, 30032a47e72SYuval Mintz GFP_KERNEL); 30132a47e72SYuval Mintz if (!*p_v_addr) 30232a47e72SYuval Mintz return -ENOMEM; 30332a47e72SYuval Mintz 30432a47e72SYuval Mintz DP_VERBOSE(p_hwfn, 30532a47e72SYuval Mintz QED_MSG_IOV, 30632a47e72SYuval Mintz "PF's Requests mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n", 30732a47e72SYuval Mintz p_iov_info->mbx_msg_virt_addr, 30832a47e72SYuval Mintz (u64) p_iov_info->mbx_msg_phys_addr, 30932a47e72SYuval Mintz p_iov_info->mbx_reply_virt_addr, 31032a47e72SYuval Mintz (u64) p_iov_info->mbx_reply_phys_addr, 31132a47e72SYuval Mintz p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys); 31232a47e72SYuval Mintz 31332a47e72SYuval Mintz return 0; 31432a47e72SYuval Mintz } 31532a47e72SYuval Mintz 31632a47e72SYuval Mintz static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn) 31732a47e72SYuval Mintz { 31832a47e72SYuval Mintz struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info; 31932a47e72SYuval Mintz 32032a47e72SYuval Mintz if (p_hwfn->pf_iov_info->mbx_msg_virt_addr) 32132a47e72SYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 32232a47e72SYuval Mintz p_iov_info->mbx_msg_size, 32332a47e72SYuval Mintz p_iov_info->mbx_msg_virt_addr, 32432a47e72SYuval Mintz p_iov_info->mbx_msg_phys_addr); 32532a47e72SYuval Mintz 32632a47e72SYuval Mintz if (p_hwfn->pf_iov_info->mbx_reply_virt_addr) 32732a47e72SYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 32832a47e72SYuval Mintz p_iov_info->mbx_reply_size, 32932a47e72SYuval Mintz p_iov_info->mbx_reply_virt_addr, 33032a47e72SYuval Mintz p_iov_info->mbx_reply_phys_addr); 33132a47e72SYuval Mintz 33232a47e72SYuval Mintz if (p_iov_info->p_bulletins) 33332a47e72SYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 33432a47e72SYuval Mintz p_iov_info->bulletins_size, 33532a47e72SYuval Mintz p_iov_info->p_bulletins, 33632a47e72SYuval Mintz p_iov_info->bulletins_phys); 33732a47e72SYuval Mintz } 33832a47e72SYuval Mintz 33932a47e72SYuval Mintz int qed_iov_alloc(struct qed_hwfn *p_hwfn) 34032a47e72SYuval Mintz { 34132a47e72SYuval Mintz struct qed_pf_iov *p_sriov; 34232a47e72SYuval Mintz 34332a47e72SYuval Mintz if (!IS_PF_SRIOV(p_hwfn)) { 34432a47e72SYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 34532a47e72SYuval Mintz "No SR-IOV - no need for IOV db\n"); 34632a47e72SYuval Mintz return 0; 34732a47e72SYuval Mintz } 34832a47e72SYuval Mintz 34932a47e72SYuval Mintz p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL); 35032a47e72SYuval Mintz if (!p_sriov) { 35132a47e72SYuval Mintz DP_NOTICE(p_hwfn, "Failed to allocate `struct qed_sriov'\n"); 35232a47e72SYuval Mintz return -ENOMEM; 35332a47e72SYuval Mintz } 35432a47e72SYuval Mintz 35532a47e72SYuval Mintz p_hwfn->pf_iov_info = p_sriov; 35632a47e72SYuval Mintz 35732a47e72SYuval Mintz return qed_iov_allocate_vfdb(p_hwfn); 35832a47e72SYuval Mintz } 35932a47e72SYuval Mintz 36032a47e72SYuval Mintz void qed_iov_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 36132a47e72SYuval Mintz { 36232a47e72SYuval Mintz if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn)) 36332a47e72SYuval Mintz return; 36432a47e72SYuval Mintz 36532a47e72SYuval Mintz qed_iov_setup_vfdb(p_hwfn); 36632a47e72SYuval Mintz qed_iov_clear_vf_igu_blocks(p_hwfn, p_ptt); 36732a47e72SYuval Mintz } 36832a47e72SYuval Mintz 36932a47e72SYuval Mintz void qed_iov_free(struct qed_hwfn *p_hwfn) 37032a47e72SYuval Mintz { 37132a47e72SYuval Mintz if (IS_PF_SRIOV_ALLOC(p_hwfn)) { 37232a47e72SYuval Mintz qed_iov_free_vfdb(p_hwfn); 37332a47e72SYuval Mintz kfree(p_hwfn->pf_iov_info); 37432a47e72SYuval Mintz } 37532a47e72SYuval Mintz } 37632a47e72SYuval Mintz 37732a47e72SYuval Mintz void qed_iov_free_hw_info(struct qed_dev *cdev) 37832a47e72SYuval Mintz { 37932a47e72SYuval Mintz kfree(cdev->p_iov_info); 38032a47e72SYuval Mintz cdev->p_iov_info = NULL; 38132a47e72SYuval Mintz } 38232a47e72SYuval Mintz 38332a47e72SYuval Mintz int qed_iov_hw_info(struct qed_hwfn *p_hwfn) 38432a47e72SYuval Mintz { 38532a47e72SYuval Mintz struct qed_dev *cdev = p_hwfn->cdev; 38632a47e72SYuval Mintz int pos; 38732a47e72SYuval Mintz int rc; 38832a47e72SYuval Mintz 3891408cc1fSYuval Mintz if (IS_VF(p_hwfn->cdev)) 3901408cc1fSYuval Mintz return 0; 3911408cc1fSYuval Mintz 39232a47e72SYuval Mintz /* Learn the PCI configuration */ 39332a47e72SYuval Mintz pos = pci_find_ext_capability(p_hwfn->cdev->pdev, 39432a47e72SYuval Mintz PCI_EXT_CAP_ID_SRIOV); 39532a47e72SYuval Mintz if (!pos) { 39632a47e72SYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n"); 39732a47e72SYuval Mintz return 0; 39832a47e72SYuval Mintz } 39932a47e72SYuval Mintz 40032a47e72SYuval Mintz /* Allocate a new struct for IOV information */ 40132a47e72SYuval Mintz cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL); 40232a47e72SYuval Mintz if (!cdev->p_iov_info) { 40332a47e72SYuval Mintz DP_NOTICE(p_hwfn, "Can't support IOV due to lack of memory\n"); 40432a47e72SYuval Mintz return -ENOMEM; 40532a47e72SYuval Mintz } 40632a47e72SYuval Mintz cdev->p_iov_info->pos = pos; 40732a47e72SYuval Mintz 40832a47e72SYuval Mintz rc = qed_iov_pci_cfg_info(cdev); 40932a47e72SYuval Mintz if (rc) 41032a47e72SYuval Mintz return rc; 41132a47e72SYuval Mintz 41232a47e72SYuval Mintz /* We want PF IOV to be synonemous with the existance of p_iov_info; 41332a47e72SYuval Mintz * In case the capability is published but there are no VFs, simply 41432a47e72SYuval Mintz * de-allocate the struct. 41532a47e72SYuval Mintz */ 41632a47e72SYuval Mintz if (!cdev->p_iov_info->total_vfs) { 41732a47e72SYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 41832a47e72SYuval Mintz "IOV capabilities, but no VFs are published\n"); 41932a47e72SYuval Mintz kfree(cdev->p_iov_info); 42032a47e72SYuval Mintz cdev->p_iov_info = NULL; 42132a47e72SYuval Mintz return 0; 42232a47e72SYuval Mintz } 42332a47e72SYuval Mintz 42432a47e72SYuval Mintz /* Calculate the first VF index - this is a bit tricky; Basically, 42532a47e72SYuval Mintz * VFs start at offset 16 relative to PF0, and 2nd engine VFs begin 42632a47e72SYuval Mintz * after the first engine's VFs. 42732a47e72SYuval Mintz */ 42832a47e72SYuval Mintz cdev->p_iov_info->first_vf_in_pf = p_hwfn->cdev->p_iov_info->offset + 42932a47e72SYuval Mintz p_hwfn->abs_pf_id - 16; 43032a47e72SYuval Mintz if (QED_PATH_ID(p_hwfn)) 43132a47e72SYuval Mintz cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB; 43232a47e72SYuval Mintz 43332a47e72SYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 43432a47e72SYuval Mintz "First VF in hwfn 0x%08x\n", 43532a47e72SYuval Mintz cdev->p_iov_info->first_vf_in_pf); 43632a47e72SYuval Mintz 43732a47e72SYuval Mintz return 0; 43832a47e72SYuval Mintz } 43932a47e72SYuval Mintz 44037bff2b9SYuval Mintz static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid) 44137bff2b9SYuval Mintz { 44237bff2b9SYuval Mintz /* Check PF supports sriov */ 44337bff2b9SYuval Mintz if (!IS_QED_SRIOV(p_hwfn->cdev) || !IS_PF_SRIOV_ALLOC(p_hwfn)) 44437bff2b9SYuval Mintz return false; 44537bff2b9SYuval Mintz 44637bff2b9SYuval Mintz /* Check VF validity */ 4471408cc1fSYuval Mintz if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) || 4481408cc1fSYuval Mintz !IS_PF_SRIOV_ALLOC(p_hwfn)) 44937bff2b9SYuval Mintz return false; 45037bff2b9SYuval Mintz 45137bff2b9SYuval Mintz return true; 45237bff2b9SYuval Mintz } 45337bff2b9SYuval Mintz 4540b55e27dSYuval Mintz static void qed_iov_set_vf_to_disable(struct qed_dev *cdev, 4550b55e27dSYuval Mintz u16 rel_vf_id, u8 to_disable) 4560b55e27dSYuval Mintz { 4570b55e27dSYuval Mintz struct qed_vf_info *vf; 4580b55e27dSYuval Mintz int i; 4590b55e27dSYuval Mintz 4600b55e27dSYuval Mintz for_each_hwfn(cdev, i) { 4610b55e27dSYuval Mintz struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 4620b55e27dSYuval Mintz 4630b55e27dSYuval Mintz vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false); 4640b55e27dSYuval Mintz if (!vf) 4650b55e27dSYuval Mintz continue; 4660b55e27dSYuval Mintz 4670b55e27dSYuval Mintz vf->to_disable = to_disable; 4680b55e27dSYuval Mintz } 4690b55e27dSYuval Mintz } 4700b55e27dSYuval Mintz 4710b55e27dSYuval Mintz void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable) 4720b55e27dSYuval Mintz { 4730b55e27dSYuval Mintz u16 i; 4740b55e27dSYuval Mintz 4750b55e27dSYuval Mintz if (!IS_QED_SRIOV(cdev)) 4760b55e27dSYuval Mintz return; 4770b55e27dSYuval Mintz 4780b55e27dSYuval Mintz for (i = 0; i < cdev->p_iov_info->total_vfs; i++) 4790b55e27dSYuval Mintz qed_iov_set_vf_to_disable(cdev, i, to_disable); 4800b55e27dSYuval Mintz } 4810b55e27dSYuval Mintz 4821408cc1fSYuval Mintz static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn, 4831408cc1fSYuval Mintz struct qed_ptt *p_ptt, u8 abs_vfid) 4841408cc1fSYuval Mintz { 4851408cc1fSYuval Mintz qed_wr(p_hwfn, p_ptt, 4861408cc1fSYuval Mintz PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4, 4871408cc1fSYuval Mintz 1 << (abs_vfid & 0x1f)); 4881408cc1fSYuval Mintz } 4891408cc1fSYuval Mintz 490dacd88d6SYuval Mintz static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn, 491dacd88d6SYuval Mintz struct qed_ptt *p_ptt, struct qed_vf_info *vf) 492dacd88d6SYuval Mintz { 493dacd88d6SYuval Mintz u16 igu_sb_id; 494dacd88d6SYuval Mintz int i; 495dacd88d6SYuval Mintz 496dacd88d6SYuval Mintz /* Set VF masks and configuration - pretend */ 497dacd88d6SYuval Mintz qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid); 498dacd88d6SYuval Mintz 499dacd88d6SYuval Mintz qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0); 500dacd88d6SYuval Mintz 501dacd88d6SYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 502dacd88d6SYuval Mintz "value in VF_CONFIGURATION of vf %d after write %x\n", 503dacd88d6SYuval Mintz vf->abs_vf_id, 504dacd88d6SYuval Mintz qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION)); 505dacd88d6SYuval Mintz 506dacd88d6SYuval Mintz /* unpretend */ 507dacd88d6SYuval Mintz qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid); 508dacd88d6SYuval Mintz 509dacd88d6SYuval Mintz /* iterate over all queues, clear sb consumer */ 510dacd88d6SYuval Mintz for (i = 0; i < vf->num_sbs; i++) { 511dacd88d6SYuval Mintz igu_sb_id = vf->igu_sbs[i]; 512dacd88d6SYuval Mintz /* Set then clear... */ 513dacd88d6SYuval Mintz qed_int_igu_cleanup_sb(p_hwfn, p_ptt, igu_sb_id, 1, 514dacd88d6SYuval Mintz vf->opaque_fid); 515dacd88d6SYuval Mintz qed_int_igu_cleanup_sb(p_hwfn, p_ptt, igu_sb_id, 0, 516dacd88d6SYuval Mintz vf->opaque_fid); 517dacd88d6SYuval Mintz } 518dacd88d6SYuval Mintz } 519dacd88d6SYuval Mintz 5200b55e27dSYuval Mintz static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn, 5210b55e27dSYuval Mintz struct qed_ptt *p_ptt, 5220b55e27dSYuval Mintz struct qed_vf_info *vf, bool enable) 5230b55e27dSYuval Mintz { 5240b55e27dSYuval Mintz u32 igu_vf_conf; 5250b55e27dSYuval Mintz 5260b55e27dSYuval Mintz qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid); 5270b55e27dSYuval Mintz 5280b55e27dSYuval Mintz igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION); 5290b55e27dSYuval Mintz 5300b55e27dSYuval Mintz if (enable) 5310b55e27dSYuval Mintz igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN; 5320b55e27dSYuval Mintz else 5330b55e27dSYuval Mintz igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN; 5340b55e27dSYuval Mintz 5350b55e27dSYuval Mintz qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf); 5360b55e27dSYuval Mintz 5370b55e27dSYuval Mintz /* unpretend */ 5380b55e27dSYuval Mintz qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid); 5390b55e27dSYuval Mintz } 5400b55e27dSYuval Mintz 5411408cc1fSYuval Mintz static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn, 5421408cc1fSYuval Mintz struct qed_ptt *p_ptt, 5431408cc1fSYuval Mintz struct qed_vf_info *vf) 5441408cc1fSYuval Mintz { 5451408cc1fSYuval Mintz u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN; 5461408cc1fSYuval Mintz int rc; 5471408cc1fSYuval Mintz 5480b55e27dSYuval Mintz if (vf->to_disable) 5490b55e27dSYuval Mintz return 0; 5500b55e27dSYuval Mintz 5511408cc1fSYuval Mintz DP_VERBOSE(p_hwfn, 5521408cc1fSYuval Mintz QED_MSG_IOV, 5531408cc1fSYuval Mintz "Enable internal access for vf %x [abs %x]\n", 5541408cc1fSYuval Mintz vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf)); 5551408cc1fSYuval Mintz 5561408cc1fSYuval Mintz qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf)); 5571408cc1fSYuval Mintz 5581408cc1fSYuval Mintz rc = qed_mcp_config_vf_msix(p_hwfn, p_ptt, vf->abs_vf_id, vf->num_sbs); 5591408cc1fSYuval Mintz if (rc) 5601408cc1fSYuval Mintz return rc; 5611408cc1fSYuval Mintz 5621408cc1fSYuval Mintz qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid); 5631408cc1fSYuval Mintz 5641408cc1fSYuval Mintz SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id); 5651408cc1fSYuval Mintz STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf); 5661408cc1fSYuval Mintz 5671408cc1fSYuval Mintz qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id, 5681408cc1fSYuval Mintz p_hwfn->hw_info.hw_mode); 5691408cc1fSYuval Mintz 5701408cc1fSYuval Mintz /* unpretend */ 5711408cc1fSYuval Mintz qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid); 5721408cc1fSYuval Mintz 5731408cc1fSYuval Mintz if (vf->state != VF_STOPPED) { 5741408cc1fSYuval Mintz DP_NOTICE(p_hwfn, "VF[%02x] is already started\n", 5751408cc1fSYuval Mintz vf->abs_vf_id); 5761408cc1fSYuval Mintz return -EINVAL; 5771408cc1fSYuval Mintz } 5781408cc1fSYuval Mintz 5791408cc1fSYuval Mintz /* Start VF */ 5801408cc1fSYuval Mintz rc = qed_sp_vf_start(p_hwfn, vf->concrete_fid, vf->opaque_fid); 5811408cc1fSYuval Mintz if (rc) 5821408cc1fSYuval Mintz DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id); 5831408cc1fSYuval Mintz 5841408cc1fSYuval Mintz vf->state = VF_FREE; 5851408cc1fSYuval Mintz 5861408cc1fSYuval Mintz return rc; 5871408cc1fSYuval Mintz } 5881408cc1fSYuval Mintz 5890b55e27dSYuval Mintz /** 5900b55e27dSYuval Mintz * @brief qed_iov_config_perm_table - configure the permission 5910b55e27dSYuval Mintz * zone table. 5920b55e27dSYuval Mintz * In E4, queue zone permission table size is 320x9. There 5930b55e27dSYuval Mintz * are 320 VF queues for single engine device (256 for dual 5940b55e27dSYuval Mintz * engine device), and each entry has the following format: 5950b55e27dSYuval Mintz * {Valid, VF[7:0]} 5960b55e27dSYuval Mintz * @param p_hwfn 5970b55e27dSYuval Mintz * @param p_ptt 5980b55e27dSYuval Mintz * @param vf 5990b55e27dSYuval Mintz * @param enable 6000b55e27dSYuval Mintz */ 6010b55e27dSYuval Mintz static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn, 6020b55e27dSYuval Mintz struct qed_ptt *p_ptt, 6030b55e27dSYuval Mintz struct qed_vf_info *vf, u8 enable) 6040b55e27dSYuval Mintz { 6050b55e27dSYuval Mintz u32 reg_addr, val; 6060b55e27dSYuval Mintz u16 qzone_id = 0; 6070b55e27dSYuval Mintz int qid; 6080b55e27dSYuval Mintz 6090b55e27dSYuval Mintz for (qid = 0; qid < vf->num_rxqs; qid++) { 6100b55e27dSYuval Mintz qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid, 6110b55e27dSYuval Mintz &qzone_id); 6120b55e27dSYuval Mintz 6130b55e27dSYuval Mintz reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4; 6140b55e27dSYuval Mintz val = enable ? (vf->abs_vf_id | (1 << 8)) : 0; 6150b55e27dSYuval Mintz qed_wr(p_hwfn, p_ptt, reg_addr, val); 6160b55e27dSYuval Mintz } 6170b55e27dSYuval Mintz } 6180b55e27dSYuval Mintz 619dacd88d6SYuval Mintz static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn, 620dacd88d6SYuval Mintz struct qed_ptt *p_ptt, 621dacd88d6SYuval Mintz struct qed_vf_info *vf) 622dacd88d6SYuval Mintz { 623dacd88d6SYuval Mintz /* Reset vf in IGU - interrupts are still disabled */ 624dacd88d6SYuval Mintz qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf); 625dacd88d6SYuval Mintz 626dacd88d6SYuval Mintz qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1); 627dacd88d6SYuval Mintz 628dacd88d6SYuval Mintz /* Permission Table */ 629dacd88d6SYuval Mintz qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true); 630dacd88d6SYuval Mintz } 631dacd88d6SYuval Mintz 6321408cc1fSYuval Mintz static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn, 6331408cc1fSYuval Mintz struct qed_ptt *p_ptt, 6341408cc1fSYuval Mintz struct qed_vf_info *vf, u16 num_rx_queues) 6351408cc1fSYuval Mintz { 6361408cc1fSYuval Mintz struct qed_igu_block *igu_blocks; 6371408cc1fSYuval Mintz int qid = 0, igu_id = 0; 6381408cc1fSYuval Mintz u32 val = 0; 6391408cc1fSYuval Mintz 6401408cc1fSYuval Mintz igu_blocks = p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks; 6411408cc1fSYuval Mintz 6421408cc1fSYuval Mintz if (num_rx_queues > p_hwfn->hw_info.p_igu_info->free_blks) 6431408cc1fSYuval Mintz num_rx_queues = p_hwfn->hw_info.p_igu_info->free_blks; 6441408cc1fSYuval Mintz p_hwfn->hw_info.p_igu_info->free_blks -= num_rx_queues; 6451408cc1fSYuval Mintz 6461408cc1fSYuval Mintz SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id); 6471408cc1fSYuval Mintz SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1); 6481408cc1fSYuval Mintz SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0); 6491408cc1fSYuval Mintz 6501408cc1fSYuval Mintz while ((qid < num_rx_queues) && 6511408cc1fSYuval Mintz (igu_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev))) { 6521408cc1fSYuval Mintz if (igu_blocks[igu_id].status & QED_IGU_STATUS_FREE) { 6531408cc1fSYuval Mintz struct cau_sb_entry sb_entry; 6541408cc1fSYuval Mintz 6551408cc1fSYuval Mintz vf->igu_sbs[qid] = (u16)igu_id; 6561408cc1fSYuval Mintz igu_blocks[igu_id].status &= ~QED_IGU_STATUS_FREE; 6571408cc1fSYuval Mintz 6581408cc1fSYuval Mintz SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid); 6591408cc1fSYuval Mintz 6601408cc1fSYuval Mintz qed_wr(p_hwfn, p_ptt, 6611408cc1fSYuval Mintz IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id, 6621408cc1fSYuval Mintz val); 6631408cc1fSYuval Mintz 6641408cc1fSYuval Mintz /* Configure igu sb in CAU which were marked valid */ 6651408cc1fSYuval Mintz qed_init_cau_sb_entry(p_hwfn, &sb_entry, 6661408cc1fSYuval Mintz p_hwfn->rel_pf_id, 6671408cc1fSYuval Mintz vf->abs_vf_id, 1); 6681408cc1fSYuval Mintz qed_dmae_host2grc(p_hwfn, p_ptt, 6691408cc1fSYuval Mintz (u64)(uintptr_t)&sb_entry, 6701408cc1fSYuval Mintz CAU_REG_SB_VAR_MEMORY + 6711408cc1fSYuval Mintz igu_id * sizeof(u64), 2, 0); 6721408cc1fSYuval Mintz qid++; 6731408cc1fSYuval Mintz } 6741408cc1fSYuval Mintz igu_id++; 6751408cc1fSYuval Mintz } 6761408cc1fSYuval Mintz 6771408cc1fSYuval Mintz vf->num_sbs = (u8) num_rx_queues; 6781408cc1fSYuval Mintz 6791408cc1fSYuval Mintz return vf->num_sbs; 6801408cc1fSYuval Mintz } 6811408cc1fSYuval Mintz 6820b55e27dSYuval Mintz static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn, 6830b55e27dSYuval Mintz struct qed_ptt *p_ptt, 6840b55e27dSYuval Mintz struct qed_vf_info *vf) 6850b55e27dSYuval Mintz { 6860b55e27dSYuval Mintz struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info; 6870b55e27dSYuval Mintz int idx, igu_id; 6880b55e27dSYuval Mintz u32 addr, val; 6890b55e27dSYuval Mintz 6900b55e27dSYuval Mintz /* Invalidate igu CAM lines and mark them as free */ 6910b55e27dSYuval Mintz for (idx = 0; idx < vf->num_sbs; idx++) { 6920b55e27dSYuval Mintz igu_id = vf->igu_sbs[idx]; 6930b55e27dSYuval Mintz addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id; 6940b55e27dSYuval Mintz 6950b55e27dSYuval Mintz val = qed_rd(p_hwfn, p_ptt, addr); 6960b55e27dSYuval Mintz SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0); 6970b55e27dSYuval Mintz qed_wr(p_hwfn, p_ptt, addr, val); 6980b55e27dSYuval Mintz 6990b55e27dSYuval Mintz p_info->igu_map.igu_blocks[igu_id].status |= 7000b55e27dSYuval Mintz QED_IGU_STATUS_FREE; 7010b55e27dSYuval Mintz 7020b55e27dSYuval Mintz p_hwfn->hw_info.p_igu_info->free_blks++; 7030b55e27dSYuval Mintz } 7040b55e27dSYuval Mintz 7050b55e27dSYuval Mintz vf->num_sbs = 0; 7060b55e27dSYuval Mintz } 7070b55e27dSYuval Mintz 7081408cc1fSYuval Mintz static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn, 7091408cc1fSYuval Mintz struct qed_ptt *p_ptt, 7101408cc1fSYuval Mintz u16 rel_vf_id, u16 num_rx_queues) 7111408cc1fSYuval Mintz { 7121408cc1fSYuval Mintz u8 num_of_vf_avaiable_chains = 0; 7131408cc1fSYuval Mintz struct qed_vf_info *vf = NULL; 7141408cc1fSYuval Mintz int rc = 0; 7151408cc1fSYuval Mintz u32 cids; 7161408cc1fSYuval Mintz u8 i; 7171408cc1fSYuval Mintz 7181408cc1fSYuval Mintz vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false); 7191408cc1fSYuval Mintz if (!vf) { 7201408cc1fSYuval Mintz DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n"); 7211408cc1fSYuval Mintz return -EINVAL; 7221408cc1fSYuval Mintz } 7231408cc1fSYuval Mintz 7241408cc1fSYuval Mintz if (vf->b_init) { 7251408cc1fSYuval Mintz DP_NOTICE(p_hwfn, "VF[%d] is already active.\n", rel_vf_id); 7261408cc1fSYuval Mintz return -EINVAL; 7271408cc1fSYuval Mintz } 7281408cc1fSYuval Mintz 7291408cc1fSYuval Mintz /* Limit number of queues according to number of CIDs */ 7301408cc1fSYuval Mintz qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids); 7311408cc1fSYuval Mintz DP_VERBOSE(p_hwfn, 7321408cc1fSYuval Mintz QED_MSG_IOV, 7331408cc1fSYuval Mintz "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n", 7341408cc1fSYuval Mintz vf->relative_vf_id, num_rx_queues, (u16) cids); 7351408cc1fSYuval Mintz num_rx_queues = min_t(u16, num_rx_queues, ((u16) cids)); 7361408cc1fSYuval Mintz 7371408cc1fSYuval Mintz num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn, 7381408cc1fSYuval Mintz p_ptt, 7391408cc1fSYuval Mintz vf, 7401408cc1fSYuval Mintz num_rx_queues); 7411408cc1fSYuval Mintz if (!num_of_vf_avaiable_chains) { 7421408cc1fSYuval Mintz DP_ERR(p_hwfn, "no available igu sbs\n"); 7431408cc1fSYuval Mintz return -ENOMEM; 7441408cc1fSYuval Mintz } 7451408cc1fSYuval Mintz 7461408cc1fSYuval Mintz /* Choose queue number and index ranges */ 7471408cc1fSYuval Mintz vf->num_rxqs = num_of_vf_avaiable_chains; 7481408cc1fSYuval Mintz vf->num_txqs = num_of_vf_avaiable_chains; 7491408cc1fSYuval Mintz 7501408cc1fSYuval Mintz for (i = 0; i < vf->num_rxqs; i++) { 7511408cc1fSYuval Mintz u16 queue_id = qed_int_queue_id_from_sb_id(p_hwfn, 7521408cc1fSYuval Mintz vf->igu_sbs[i]); 7531408cc1fSYuval Mintz 7541408cc1fSYuval Mintz if (queue_id > RESC_NUM(p_hwfn, QED_L2_QUEUE)) { 7551408cc1fSYuval Mintz DP_NOTICE(p_hwfn, 7561408cc1fSYuval Mintz "VF[%d] will require utilizing of out-of-bounds queues - %04x\n", 7571408cc1fSYuval Mintz vf->relative_vf_id, queue_id); 7581408cc1fSYuval Mintz return -EINVAL; 7591408cc1fSYuval Mintz } 7601408cc1fSYuval Mintz 7611408cc1fSYuval Mintz /* CIDs are per-VF, so no problem having them 0-based. */ 7621408cc1fSYuval Mintz vf->vf_queues[i].fw_rx_qid = queue_id; 7631408cc1fSYuval Mintz vf->vf_queues[i].fw_tx_qid = queue_id; 7641408cc1fSYuval Mintz vf->vf_queues[i].fw_cid = i; 7651408cc1fSYuval Mintz 7661408cc1fSYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 7671408cc1fSYuval Mintz "VF[%d] - [%d] SB %04x, Tx/Rx queue %04x CID %04x\n", 7681408cc1fSYuval Mintz vf->relative_vf_id, i, vf->igu_sbs[i], queue_id, i); 7691408cc1fSYuval Mintz } 7701408cc1fSYuval Mintz rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf); 7711408cc1fSYuval Mintz if (!rc) { 7721408cc1fSYuval Mintz vf->b_init = true; 7731408cc1fSYuval Mintz 7741408cc1fSYuval Mintz if (IS_LEAD_HWFN(p_hwfn)) 7751408cc1fSYuval Mintz p_hwfn->cdev->p_iov_info->num_vfs++; 7761408cc1fSYuval Mintz } 7771408cc1fSYuval Mintz 7781408cc1fSYuval Mintz return rc; 7791408cc1fSYuval Mintz } 7801408cc1fSYuval Mintz 7810b55e27dSYuval Mintz static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn, 7820b55e27dSYuval Mintz struct qed_ptt *p_ptt, u16 rel_vf_id) 7830b55e27dSYuval Mintz { 7840b55e27dSYuval Mintz struct qed_vf_info *vf = NULL; 7850b55e27dSYuval Mintz int rc = 0; 7860b55e27dSYuval Mintz 7870b55e27dSYuval Mintz vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true); 7880b55e27dSYuval Mintz if (!vf) { 7890b55e27dSYuval Mintz DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n"); 7900b55e27dSYuval Mintz return -EINVAL; 7910b55e27dSYuval Mintz } 7920b55e27dSYuval Mintz 7930b55e27dSYuval Mintz if (vf->state != VF_STOPPED) { 7940b55e27dSYuval Mintz /* Stopping the VF */ 7950b55e27dSYuval Mintz rc = qed_sp_vf_stop(p_hwfn, vf->concrete_fid, vf->opaque_fid); 7960b55e27dSYuval Mintz 7970b55e27dSYuval Mintz if (rc != 0) { 7980b55e27dSYuval Mintz DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n", 7990b55e27dSYuval Mintz rc); 8000b55e27dSYuval Mintz return rc; 8010b55e27dSYuval Mintz } 8020b55e27dSYuval Mintz 8030b55e27dSYuval Mintz vf->state = VF_STOPPED; 8040b55e27dSYuval Mintz } 8050b55e27dSYuval Mintz 8060b55e27dSYuval Mintz /* disablng interrupts and resetting permission table was done during 8070b55e27dSYuval Mintz * vf-close, however, we could get here without going through vf_close 8080b55e27dSYuval Mintz */ 8090b55e27dSYuval Mintz /* Disable Interrupts for VF */ 8100b55e27dSYuval Mintz qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0); 8110b55e27dSYuval Mintz 8120b55e27dSYuval Mintz /* Reset Permission table */ 8130b55e27dSYuval Mintz qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0); 8140b55e27dSYuval Mintz 8150b55e27dSYuval Mintz vf->num_rxqs = 0; 8160b55e27dSYuval Mintz vf->num_txqs = 0; 8170b55e27dSYuval Mintz qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf); 8180b55e27dSYuval Mintz 8190b55e27dSYuval Mintz if (vf->b_init) { 8200b55e27dSYuval Mintz vf->b_init = false; 8210b55e27dSYuval Mintz 8220b55e27dSYuval Mintz if (IS_LEAD_HWFN(p_hwfn)) 8230b55e27dSYuval Mintz p_hwfn->cdev->p_iov_info->num_vfs--; 8240b55e27dSYuval Mintz } 8250b55e27dSYuval Mintz 8260b55e27dSYuval Mintz return 0; 8270b55e27dSYuval Mintz } 8280b55e27dSYuval Mintz 82937bff2b9SYuval Mintz static bool qed_iov_tlv_supported(u16 tlvtype) 83037bff2b9SYuval Mintz { 83137bff2b9SYuval Mintz return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX; 83237bff2b9SYuval Mintz } 83337bff2b9SYuval Mintz 83437bff2b9SYuval Mintz /* place a given tlv on the tlv buffer, continuing current tlv list */ 83537bff2b9SYuval Mintz void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length) 83637bff2b9SYuval Mintz { 83737bff2b9SYuval Mintz struct channel_tlv *tl = (struct channel_tlv *)*offset; 83837bff2b9SYuval Mintz 83937bff2b9SYuval Mintz tl->type = type; 84037bff2b9SYuval Mintz tl->length = length; 84137bff2b9SYuval Mintz 84237bff2b9SYuval Mintz /* Offset should keep pointing to next TLV (the end of the last) */ 84337bff2b9SYuval Mintz *offset += length; 84437bff2b9SYuval Mintz 84537bff2b9SYuval Mintz /* Return a pointer to the start of the added tlv */ 84637bff2b9SYuval Mintz return *offset - length; 84737bff2b9SYuval Mintz } 84837bff2b9SYuval Mintz 84937bff2b9SYuval Mintz /* list the types and lengths of the tlvs on the buffer */ 85037bff2b9SYuval Mintz void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list) 85137bff2b9SYuval Mintz { 85237bff2b9SYuval Mintz u16 i = 1, total_length = 0; 85337bff2b9SYuval Mintz struct channel_tlv *tlv; 85437bff2b9SYuval Mintz 85537bff2b9SYuval Mintz do { 85637bff2b9SYuval Mintz tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length); 85737bff2b9SYuval Mintz 85837bff2b9SYuval Mintz /* output tlv */ 85937bff2b9SYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 86037bff2b9SYuval Mintz "TLV number %d: type %d, length %d\n", 86137bff2b9SYuval Mintz i, tlv->type, tlv->length); 86237bff2b9SYuval Mintz 86337bff2b9SYuval Mintz if (tlv->type == CHANNEL_TLV_LIST_END) 86437bff2b9SYuval Mintz return; 86537bff2b9SYuval Mintz 86637bff2b9SYuval Mintz /* Validate entry - protect against malicious VFs */ 86737bff2b9SYuval Mintz if (!tlv->length) { 86837bff2b9SYuval Mintz DP_NOTICE(p_hwfn, "TLV of length 0 found\n"); 86937bff2b9SYuval Mintz return; 87037bff2b9SYuval Mintz } 87137bff2b9SYuval Mintz 87237bff2b9SYuval Mintz total_length += tlv->length; 87337bff2b9SYuval Mintz 87437bff2b9SYuval Mintz if (total_length >= sizeof(struct tlv_buffer_size)) { 87537bff2b9SYuval Mintz DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n"); 87637bff2b9SYuval Mintz return; 87737bff2b9SYuval Mintz } 87837bff2b9SYuval Mintz 87937bff2b9SYuval Mintz i++; 88037bff2b9SYuval Mintz } while (1); 88137bff2b9SYuval Mintz } 88237bff2b9SYuval Mintz 88337bff2b9SYuval Mintz static void qed_iov_send_response(struct qed_hwfn *p_hwfn, 88437bff2b9SYuval Mintz struct qed_ptt *p_ptt, 88537bff2b9SYuval Mintz struct qed_vf_info *p_vf, 88637bff2b9SYuval Mintz u16 length, u8 status) 88737bff2b9SYuval Mintz { 88837bff2b9SYuval Mintz struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx; 88937bff2b9SYuval Mintz struct qed_dmae_params params; 89037bff2b9SYuval Mintz u8 eng_vf_id; 89137bff2b9SYuval Mintz 89237bff2b9SYuval Mintz mbx->reply_virt->default_resp.hdr.status = status; 89337bff2b9SYuval Mintz 89437bff2b9SYuval Mintz qed_dp_tlv_list(p_hwfn, mbx->reply_virt); 89537bff2b9SYuval Mintz 89637bff2b9SYuval Mintz eng_vf_id = p_vf->abs_vf_id; 89737bff2b9SYuval Mintz 89837bff2b9SYuval Mintz memset(¶ms, 0, sizeof(struct qed_dmae_params)); 89937bff2b9SYuval Mintz params.flags = QED_DMAE_FLAG_VF_DST; 90037bff2b9SYuval Mintz params.dst_vfid = eng_vf_id; 90137bff2b9SYuval Mintz 90237bff2b9SYuval Mintz qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64), 90337bff2b9SYuval Mintz mbx->req_virt->first_tlv.reply_address + 90437bff2b9SYuval Mintz sizeof(u64), 90537bff2b9SYuval Mintz (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4, 90637bff2b9SYuval Mintz ¶ms); 90737bff2b9SYuval Mintz 90837bff2b9SYuval Mintz qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys, 90937bff2b9SYuval Mintz mbx->req_virt->first_tlv.reply_address, 91037bff2b9SYuval Mintz sizeof(u64) / 4, ¶ms); 91137bff2b9SYuval Mintz 91237bff2b9SYuval Mintz REG_WR(p_hwfn, 91337bff2b9SYuval Mintz GTT_BAR0_MAP_REG_USDM_RAM + 91437bff2b9SYuval Mintz USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1); 91537bff2b9SYuval Mintz } 91637bff2b9SYuval Mintz 917dacd88d6SYuval Mintz static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn, 918dacd88d6SYuval Mintz enum qed_iov_vport_update_flag flag) 919dacd88d6SYuval Mintz { 920dacd88d6SYuval Mintz switch (flag) { 921dacd88d6SYuval Mintz case QED_IOV_VP_UPDATE_ACTIVATE: 922dacd88d6SYuval Mintz return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; 923dacd88d6SYuval Mintz case QED_IOV_VP_UPDATE_MCAST: 924dacd88d6SYuval Mintz return CHANNEL_TLV_VPORT_UPDATE_MCAST; 925dacd88d6SYuval Mintz case QED_IOV_VP_UPDATE_ACCEPT_PARAM: 926dacd88d6SYuval Mintz return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; 927dacd88d6SYuval Mintz case QED_IOV_VP_UPDATE_RSS: 928dacd88d6SYuval Mintz return CHANNEL_TLV_VPORT_UPDATE_RSS; 929dacd88d6SYuval Mintz default: 930dacd88d6SYuval Mintz return 0; 931dacd88d6SYuval Mintz } 932dacd88d6SYuval Mintz } 933dacd88d6SYuval Mintz 934dacd88d6SYuval Mintz static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn, 935dacd88d6SYuval Mintz struct qed_vf_info *p_vf, 936dacd88d6SYuval Mintz struct qed_iov_vf_mbx *p_mbx, 937dacd88d6SYuval Mintz u8 status, 938dacd88d6SYuval Mintz u16 tlvs_mask, u16 tlvs_accepted) 939dacd88d6SYuval Mintz { 940dacd88d6SYuval Mintz struct pfvf_def_resp_tlv *resp; 941dacd88d6SYuval Mintz u16 size, total_len, i; 942dacd88d6SYuval Mintz 943dacd88d6SYuval Mintz memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs)); 944dacd88d6SYuval Mintz p_mbx->offset = (u8 *)p_mbx->reply_virt; 945dacd88d6SYuval Mintz size = sizeof(struct pfvf_def_resp_tlv); 946dacd88d6SYuval Mintz total_len = size; 947dacd88d6SYuval Mintz 948dacd88d6SYuval Mintz qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size); 949dacd88d6SYuval Mintz 950dacd88d6SYuval Mintz /* Prepare response for all extended tlvs if they are found by PF */ 951dacd88d6SYuval Mintz for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) { 952dacd88d6SYuval Mintz if (!(tlvs_mask & (1 << i))) 953dacd88d6SYuval Mintz continue; 954dacd88d6SYuval Mintz 955dacd88d6SYuval Mintz resp = qed_add_tlv(p_hwfn, &p_mbx->offset, 956dacd88d6SYuval Mintz qed_iov_vport_to_tlv(p_hwfn, i), size); 957dacd88d6SYuval Mintz 958dacd88d6SYuval Mintz if (tlvs_accepted & (1 << i)) 959dacd88d6SYuval Mintz resp->hdr.status = status; 960dacd88d6SYuval Mintz else 961dacd88d6SYuval Mintz resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED; 962dacd88d6SYuval Mintz 963dacd88d6SYuval Mintz DP_VERBOSE(p_hwfn, 964dacd88d6SYuval Mintz QED_MSG_IOV, 965dacd88d6SYuval Mintz "VF[%d] - vport_update response: TLV %d, status %02x\n", 966dacd88d6SYuval Mintz p_vf->relative_vf_id, 967dacd88d6SYuval Mintz qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status); 968dacd88d6SYuval Mintz 969dacd88d6SYuval Mintz total_len += size; 970dacd88d6SYuval Mintz } 971dacd88d6SYuval Mintz 972dacd88d6SYuval Mintz qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END, 973dacd88d6SYuval Mintz sizeof(struct channel_list_end_tlv)); 974dacd88d6SYuval Mintz 975dacd88d6SYuval Mintz return total_len; 976dacd88d6SYuval Mintz } 977dacd88d6SYuval Mintz 97837bff2b9SYuval Mintz static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn, 97937bff2b9SYuval Mintz struct qed_ptt *p_ptt, 98037bff2b9SYuval Mintz struct qed_vf_info *vf_info, 98137bff2b9SYuval Mintz u16 type, u16 length, u8 status) 98237bff2b9SYuval Mintz { 98337bff2b9SYuval Mintz struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx; 98437bff2b9SYuval Mintz 98537bff2b9SYuval Mintz mbx->offset = (u8 *)mbx->reply_virt; 98637bff2b9SYuval Mintz 98737bff2b9SYuval Mintz qed_add_tlv(p_hwfn, &mbx->offset, type, length); 98837bff2b9SYuval Mintz qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END, 98937bff2b9SYuval Mintz sizeof(struct channel_list_end_tlv)); 99037bff2b9SYuval Mintz 99137bff2b9SYuval Mintz qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status); 99237bff2b9SYuval Mintz } 99337bff2b9SYuval Mintz 9940b55e27dSYuval Mintz struct qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn, 9950b55e27dSYuval Mintz u16 relative_vf_id, 9960b55e27dSYuval Mintz bool b_enabled_only) 9970b55e27dSYuval Mintz { 9980b55e27dSYuval Mintz struct qed_vf_info *vf = NULL; 9990b55e27dSYuval Mintz 10000b55e27dSYuval Mintz vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only); 10010b55e27dSYuval Mintz if (!vf) 10020b55e27dSYuval Mintz return NULL; 10030b55e27dSYuval Mintz 10040b55e27dSYuval Mintz return &vf->p_vf_info; 10050b55e27dSYuval Mintz } 10060b55e27dSYuval Mintz 10070b55e27dSYuval Mintz void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid) 10080b55e27dSYuval Mintz { 10090b55e27dSYuval Mintz struct qed_public_vf_info *vf_info; 10100b55e27dSYuval Mintz 10110b55e27dSYuval Mintz vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false); 10120b55e27dSYuval Mintz 10130b55e27dSYuval Mintz if (!vf_info) 10140b55e27dSYuval Mintz return; 10150b55e27dSYuval Mintz 10160b55e27dSYuval Mintz /* Clear the VF mac */ 10170b55e27dSYuval Mintz memset(vf_info->mac, 0, ETH_ALEN); 10180b55e27dSYuval Mintz } 10190b55e27dSYuval Mintz 10200b55e27dSYuval Mintz static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn, 10210b55e27dSYuval Mintz struct qed_vf_info *p_vf) 10220b55e27dSYuval Mintz { 10230b55e27dSYuval Mintz u32 i; 10240b55e27dSYuval Mintz 10250b55e27dSYuval Mintz p_vf->vf_bulletin = 0; 1026dacd88d6SYuval Mintz p_vf->vport_instance = 0; 10270b55e27dSYuval Mintz p_vf->num_mac_filters = 0; 10280b55e27dSYuval Mintz p_vf->num_vlan_filters = 0; 10290b55e27dSYuval Mintz 10300b55e27dSYuval Mintz /* If VF previously requested less resources, go back to default */ 10310b55e27dSYuval Mintz p_vf->num_rxqs = p_vf->num_sbs; 10320b55e27dSYuval Mintz p_vf->num_txqs = p_vf->num_sbs; 10330b55e27dSYuval Mintz 1034dacd88d6SYuval Mintz p_vf->num_active_rxqs = 0; 1035dacd88d6SYuval Mintz 10360b55e27dSYuval Mintz for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) 10370b55e27dSYuval Mintz p_vf->vf_queues[i].rxq_active = 0; 10380b55e27dSYuval Mintz 10390b55e27dSYuval Mintz qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id); 10400b55e27dSYuval Mintz } 10410b55e27dSYuval Mintz 10421408cc1fSYuval Mintz static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn, 104337bff2b9SYuval Mintz struct qed_ptt *p_ptt, 10441408cc1fSYuval Mintz struct qed_vf_info *vf) 104537bff2b9SYuval Mintz { 10461408cc1fSYuval Mintz struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; 10471408cc1fSYuval Mintz struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp; 10481408cc1fSYuval Mintz struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; 10491408cc1fSYuval Mintz struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire; 10501408cc1fSYuval Mintz u8 i, vfpf_status = PFVF_STATUS_SUCCESS; 10511408cc1fSYuval Mintz struct pf_vf_resc *resc = &resp->resc; 10521408cc1fSYuval Mintz 10531408cc1fSYuval Mintz /* Validate FW compatibility */ 10541408cc1fSYuval Mintz if (req->vfdev_info.fw_major != FW_MAJOR_VERSION || 10551408cc1fSYuval Mintz req->vfdev_info.fw_minor != FW_MINOR_VERSION || 10561408cc1fSYuval Mintz req->vfdev_info.fw_revision != FW_REVISION_VERSION || 10571408cc1fSYuval Mintz req->vfdev_info.fw_engineering != FW_ENGINEERING_VERSION) { 10581408cc1fSYuval Mintz DP_INFO(p_hwfn, 10591408cc1fSYuval Mintz "VF[%d] is running an incompatible driver [VF needs FW %02x:%02x:%02x:%02x but Hypervisor is using %02x:%02x:%02x:%02x]\n", 10601408cc1fSYuval Mintz vf->abs_vf_id, 10611408cc1fSYuval Mintz req->vfdev_info.fw_major, 10621408cc1fSYuval Mintz req->vfdev_info.fw_minor, 10631408cc1fSYuval Mintz req->vfdev_info.fw_revision, 10641408cc1fSYuval Mintz req->vfdev_info.fw_engineering, 10651408cc1fSYuval Mintz FW_MAJOR_VERSION, 10661408cc1fSYuval Mintz FW_MINOR_VERSION, 10671408cc1fSYuval Mintz FW_REVISION_VERSION, FW_ENGINEERING_VERSION); 10681408cc1fSYuval Mintz vfpf_status = PFVF_STATUS_NOT_SUPPORTED; 10691408cc1fSYuval Mintz goto out; 10701408cc1fSYuval Mintz } 10711408cc1fSYuval Mintz 10721408cc1fSYuval Mintz /* On 100g PFs, prevent old VFs from loading */ 10731408cc1fSYuval Mintz if ((p_hwfn->cdev->num_hwfns > 1) && 10741408cc1fSYuval Mintz !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) { 10751408cc1fSYuval Mintz DP_INFO(p_hwfn, 10761408cc1fSYuval Mintz "VF[%d] is running an old driver that doesn't support 100g\n", 10771408cc1fSYuval Mintz vf->abs_vf_id); 10781408cc1fSYuval Mintz vfpf_status = PFVF_STATUS_NOT_SUPPORTED; 10791408cc1fSYuval Mintz goto out; 10801408cc1fSYuval Mintz } 10811408cc1fSYuval Mintz 10821408cc1fSYuval Mintz memset(resp, 0, sizeof(*resp)); 10831408cc1fSYuval Mintz 10841408cc1fSYuval Mintz /* Fill in vf info stuff */ 10851408cc1fSYuval Mintz vf->opaque_fid = req->vfdev_info.opaque_fid; 10861408cc1fSYuval Mintz vf->num_mac_filters = 1; 10871408cc1fSYuval Mintz vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS; 10881408cc1fSYuval Mintz 10891408cc1fSYuval Mintz vf->vf_bulletin = req->bulletin_addr; 10901408cc1fSYuval Mintz vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ? 10911408cc1fSYuval Mintz vf->bulletin.size : req->bulletin_size; 10921408cc1fSYuval Mintz 10931408cc1fSYuval Mintz /* fill in pfdev info */ 10941408cc1fSYuval Mintz pfdev_info->chip_num = p_hwfn->cdev->chip_num; 10951408cc1fSYuval Mintz pfdev_info->db_size = 0; 10961408cc1fSYuval Mintz pfdev_info->indices_per_sb = PIS_PER_SB; 10971408cc1fSYuval Mintz 10981408cc1fSYuval Mintz pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED | 10991408cc1fSYuval Mintz PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE; 11001408cc1fSYuval Mintz if (p_hwfn->cdev->num_hwfns > 1) 11011408cc1fSYuval Mintz pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G; 11021408cc1fSYuval Mintz 11031408cc1fSYuval Mintz pfdev_info->stats_info.mstats.address = 11041408cc1fSYuval Mintz PXP_VF_BAR0_START_MSDM_ZONE_B + 11051408cc1fSYuval Mintz offsetof(struct mstorm_vf_zone, non_trigger.eth_queue_stat); 11061408cc1fSYuval Mintz pfdev_info->stats_info.mstats.len = 11071408cc1fSYuval Mintz sizeof(struct eth_mstorm_per_queue_stat); 11081408cc1fSYuval Mintz 11091408cc1fSYuval Mintz pfdev_info->stats_info.ustats.address = 11101408cc1fSYuval Mintz PXP_VF_BAR0_START_USDM_ZONE_B + 11111408cc1fSYuval Mintz offsetof(struct ustorm_vf_zone, non_trigger.eth_queue_stat); 11121408cc1fSYuval Mintz pfdev_info->stats_info.ustats.len = 11131408cc1fSYuval Mintz sizeof(struct eth_ustorm_per_queue_stat); 11141408cc1fSYuval Mintz 11151408cc1fSYuval Mintz pfdev_info->stats_info.pstats.address = 11161408cc1fSYuval Mintz PXP_VF_BAR0_START_PSDM_ZONE_B + 11171408cc1fSYuval Mintz offsetof(struct pstorm_vf_zone, non_trigger.eth_queue_stat); 11181408cc1fSYuval Mintz pfdev_info->stats_info.pstats.len = 11191408cc1fSYuval Mintz sizeof(struct eth_pstorm_per_queue_stat); 11201408cc1fSYuval Mintz 11211408cc1fSYuval Mintz pfdev_info->stats_info.tstats.address = 0; 11221408cc1fSYuval Mintz pfdev_info->stats_info.tstats.len = 0; 11231408cc1fSYuval Mintz 11241408cc1fSYuval Mintz memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN); 11251408cc1fSYuval Mintz 11261408cc1fSYuval Mintz pfdev_info->fw_major = FW_MAJOR_VERSION; 11271408cc1fSYuval Mintz pfdev_info->fw_minor = FW_MINOR_VERSION; 11281408cc1fSYuval Mintz pfdev_info->fw_rev = FW_REVISION_VERSION; 11291408cc1fSYuval Mintz pfdev_info->fw_eng = FW_ENGINEERING_VERSION; 11301408cc1fSYuval Mintz pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX; 11311408cc1fSYuval Mintz qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL); 11321408cc1fSYuval Mintz 11331408cc1fSYuval Mintz pfdev_info->dev_type = p_hwfn->cdev->type; 11341408cc1fSYuval Mintz pfdev_info->chip_rev = p_hwfn->cdev->chip_rev; 11351408cc1fSYuval Mintz 11361408cc1fSYuval Mintz resc->num_rxqs = vf->num_rxqs; 11371408cc1fSYuval Mintz resc->num_txqs = vf->num_txqs; 11381408cc1fSYuval Mintz resc->num_sbs = vf->num_sbs; 11391408cc1fSYuval Mintz for (i = 0; i < resc->num_sbs; i++) { 11401408cc1fSYuval Mintz resc->hw_sbs[i].hw_sb_id = vf->igu_sbs[i]; 11411408cc1fSYuval Mintz resc->hw_sbs[i].sb_qid = 0; 11421408cc1fSYuval Mintz } 11431408cc1fSYuval Mintz 11441408cc1fSYuval Mintz for (i = 0; i < resc->num_rxqs; i++) { 11451408cc1fSYuval Mintz qed_fw_l2_queue(p_hwfn, vf->vf_queues[i].fw_rx_qid, 11461408cc1fSYuval Mintz (u16 *)&resc->hw_qid[i]); 11471408cc1fSYuval Mintz resc->cid[i] = vf->vf_queues[i].fw_cid; 11481408cc1fSYuval Mintz } 11491408cc1fSYuval Mintz 11501408cc1fSYuval Mintz resc->num_mac_filters = min_t(u8, vf->num_mac_filters, 11511408cc1fSYuval Mintz req->resc_request.num_mac_filters); 11521408cc1fSYuval Mintz resc->num_vlan_filters = min_t(u8, vf->num_vlan_filters, 11531408cc1fSYuval Mintz req->resc_request.num_vlan_filters); 11541408cc1fSYuval Mintz 11551408cc1fSYuval Mintz /* This isn't really required as VF isn't limited, but some VFs might 11561408cc1fSYuval Mintz * actually test this value, so need to provide it. 11571408cc1fSYuval Mintz */ 11581408cc1fSYuval Mintz resc->num_mc_filters = req->resc_request.num_mc_filters; 11591408cc1fSYuval Mintz 11601408cc1fSYuval Mintz /* Fill agreed size of bulletin board in response */ 11611408cc1fSYuval Mintz resp->bulletin_size = vf->bulletin.size; 11621408cc1fSYuval Mintz 11631408cc1fSYuval Mintz DP_VERBOSE(p_hwfn, 11641408cc1fSYuval Mintz QED_MSG_IOV, 11651408cc1fSYuval Mintz "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n" 11661408cc1fSYuval Mintz "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n", 11671408cc1fSYuval Mintz vf->abs_vf_id, 11681408cc1fSYuval Mintz resp->pfdev_info.chip_num, 11691408cc1fSYuval Mintz resp->pfdev_info.db_size, 11701408cc1fSYuval Mintz resp->pfdev_info.indices_per_sb, 11711408cc1fSYuval Mintz resp->pfdev_info.capabilities, 11721408cc1fSYuval Mintz resc->num_rxqs, 11731408cc1fSYuval Mintz resc->num_txqs, 11741408cc1fSYuval Mintz resc->num_sbs, 11751408cc1fSYuval Mintz resc->num_mac_filters, 11761408cc1fSYuval Mintz resc->num_vlan_filters); 11771408cc1fSYuval Mintz vf->state = VF_ACQUIRED; 11781408cc1fSYuval Mintz 11791408cc1fSYuval Mintz /* Prepare Response */ 11801408cc1fSYuval Mintz out: 11811408cc1fSYuval Mintz qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE, 11821408cc1fSYuval Mintz sizeof(struct pfvf_acquire_resp_tlv), vfpf_status); 118337bff2b9SYuval Mintz } 118437bff2b9SYuval Mintz 1185dacd88d6SYuval Mintz static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn, 1186dacd88d6SYuval Mintz struct qed_ptt *p_ptt, 1187dacd88d6SYuval Mintz struct qed_vf_info *vf) 1188dacd88d6SYuval Mintz { 1189dacd88d6SYuval Mintz struct qed_sp_vport_start_params params = { 0 }; 1190dacd88d6SYuval Mintz struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; 1191dacd88d6SYuval Mintz struct vfpf_vport_start_tlv *start; 1192dacd88d6SYuval Mintz u8 status = PFVF_STATUS_SUCCESS; 1193dacd88d6SYuval Mintz struct qed_vf_info *vf_info; 1194dacd88d6SYuval Mintz int sb_id; 1195dacd88d6SYuval Mintz int rc; 1196dacd88d6SYuval Mintz 1197dacd88d6SYuval Mintz vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true); 1198dacd88d6SYuval Mintz if (!vf_info) { 1199dacd88d6SYuval Mintz DP_NOTICE(p_hwfn->cdev, 1200dacd88d6SYuval Mintz "Failed to get VF info, invalid vfid [%d]\n", 1201dacd88d6SYuval Mintz vf->relative_vf_id); 1202dacd88d6SYuval Mintz return; 1203dacd88d6SYuval Mintz } 1204dacd88d6SYuval Mintz 1205dacd88d6SYuval Mintz vf->state = VF_ENABLED; 1206dacd88d6SYuval Mintz start = &mbx->req_virt->start_vport; 1207dacd88d6SYuval Mintz 1208dacd88d6SYuval Mintz /* Initialize Status block in CAU */ 1209dacd88d6SYuval Mintz for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) { 1210dacd88d6SYuval Mintz if (!start->sb_addr[sb_id]) { 1211dacd88d6SYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1212dacd88d6SYuval Mintz "VF[%d] did not fill the address of SB %d\n", 1213dacd88d6SYuval Mintz vf->relative_vf_id, sb_id); 1214dacd88d6SYuval Mintz break; 1215dacd88d6SYuval Mintz } 1216dacd88d6SYuval Mintz 1217dacd88d6SYuval Mintz qed_int_cau_conf_sb(p_hwfn, p_ptt, 1218dacd88d6SYuval Mintz start->sb_addr[sb_id], 1219dacd88d6SYuval Mintz vf->igu_sbs[sb_id], 1220dacd88d6SYuval Mintz vf->abs_vf_id, 1); 1221dacd88d6SYuval Mintz } 1222dacd88d6SYuval Mintz qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf); 1223dacd88d6SYuval Mintz 1224dacd88d6SYuval Mintz vf->mtu = start->mtu; 1225dacd88d6SYuval Mintz 1226dacd88d6SYuval Mintz params.tpa_mode = start->tpa_mode; 1227dacd88d6SYuval Mintz params.remove_inner_vlan = start->inner_vlan_removal; 1228dacd88d6SYuval Mintz 1229dacd88d6SYuval Mintz params.drop_ttl0 = false; 1230dacd88d6SYuval Mintz params.concrete_fid = vf->concrete_fid; 1231dacd88d6SYuval Mintz params.opaque_fid = vf->opaque_fid; 1232dacd88d6SYuval Mintz params.vport_id = vf->vport_id; 1233dacd88d6SYuval Mintz params.max_buffers_per_cqe = start->max_buffers_per_cqe; 1234dacd88d6SYuval Mintz params.mtu = vf->mtu; 1235dacd88d6SYuval Mintz 1236dacd88d6SYuval Mintz rc = qed_sp_eth_vport_start(p_hwfn, ¶ms); 1237dacd88d6SYuval Mintz if (rc != 0) { 1238dacd88d6SYuval Mintz DP_ERR(p_hwfn, 1239dacd88d6SYuval Mintz "qed_iov_vf_mbx_start_vport returned error %d\n", rc); 1240dacd88d6SYuval Mintz status = PFVF_STATUS_FAILURE; 1241dacd88d6SYuval Mintz } else { 1242dacd88d6SYuval Mintz vf->vport_instance++; 1243dacd88d6SYuval Mintz } 1244dacd88d6SYuval Mintz qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START, 1245dacd88d6SYuval Mintz sizeof(struct pfvf_def_resp_tlv), status); 1246dacd88d6SYuval Mintz } 1247dacd88d6SYuval Mintz 1248dacd88d6SYuval Mintz static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn, 1249dacd88d6SYuval Mintz struct qed_ptt *p_ptt, 1250dacd88d6SYuval Mintz struct qed_vf_info *vf) 1251dacd88d6SYuval Mintz { 1252dacd88d6SYuval Mintz u8 status = PFVF_STATUS_SUCCESS; 1253dacd88d6SYuval Mintz int rc; 1254dacd88d6SYuval Mintz 1255dacd88d6SYuval Mintz vf->vport_instance--; 1256dacd88d6SYuval Mintz 1257dacd88d6SYuval Mintz rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id); 1258dacd88d6SYuval Mintz if (rc != 0) { 1259dacd88d6SYuval Mintz DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n", 1260dacd88d6SYuval Mintz rc); 1261dacd88d6SYuval Mintz status = PFVF_STATUS_FAILURE; 1262dacd88d6SYuval Mintz } 1263dacd88d6SYuval Mintz 1264dacd88d6SYuval Mintz qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN, 1265dacd88d6SYuval Mintz sizeof(struct pfvf_def_resp_tlv), status); 1266dacd88d6SYuval Mintz } 1267dacd88d6SYuval Mintz 1268dacd88d6SYuval Mintz #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A 1269dacd88d6SYuval Mintz #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \ 1270dacd88d6SYuval Mintz (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev))) 1271dacd88d6SYuval Mintz 1272dacd88d6SYuval Mintz static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn, 1273dacd88d6SYuval Mintz struct qed_ptt *p_ptt, 1274dacd88d6SYuval Mintz struct qed_vf_info *vf, u8 status) 1275dacd88d6SYuval Mintz { 1276dacd88d6SYuval Mintz struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; 1277dacd88d6SYuval Mintz struct pfvf_start_queue_resp_tlv *p_tlv; 1278dacd88d6SYuval Mintz struct vfpf_start_rxq_tlv *req; 1279dacd88d6SYuval Mintz 1280dacd88d6SYuval Mintz mbx->offset = (u8 *)mbx->reply_virt; 1281dacd88d6SYuval Mintz 1282dacd88d6SYuval Mintz p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ, 1283dacd88d6SYuval Mintz sizeof(*p_tlv)); 1284dacd88d6SYuval Mintz qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END, 1285dacd88d6SYuval Mintz sizeof(struct channel_list_end_tlv)); 1286dacd88d6SYuval Mintz 1287dacd88d6SYuval Mintz /* Update the TLV with the response */ 1288dacd88d6SYuval Mintz if (status == PFVF_STATUS_SUCCESS) { 1289dacd88d6SYuval Mintz u16 hw_qid = 0; 1290dacd88d6SYuval Mintz 1291dacd88d6SYuval Mintz req = &mbx->req_virt->start_rxq; 1292dacd88d6SYuval Mintz qed_fw_l2_queue(p_hwfn, vf->vf_queues[req->rx_qid].fw_rx_qid, 1293dacd88d6SYuval Mintz &hw_qid); 1294dacd88d6SYuval Mintz 1295dacd88d6SYuval Mintz p_tlv->offset = MSTORM_QZONE_START(p_hwfn->cdev) + 1296dacd88d6SYuval Mintz hw_qid * MSTORM_QZONE_SIZE + 1297dacd88d6SYuval Mintz offsetof(struct mstorm_eth_queue_zone, 1298dacd88d6SYuval Mintz rx_producers); 1299dacd88d6SYuval Mintz } 1300dacd88d6SYuval Mintz 1301dacd88d6SYuval Mintz qed_iov_send_response(p_hwfn, p_ptt, vf, sizeof(*p_tlv), status); 1302dacd88d6SYuval Mintz } 1303dacd88d6SYuval Mintz 1304dacd88d6SYuval Mintz static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn, 1305dacd88d6SYuval Mintz struct qed_ptt *p_ptt, 1306dacd88d6SYuval Mintz struct qed_vf_info *vf) 1307dacd88d6SYuval Mintz { 1308dacd88d6SYuval Mintz struct qed_queue_start_common_params params; 1309dacd88d6SYuval Mintz struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; 1310dacd88d6SYuval Mintz u8 status = PFVF_STATUS_SUCCESS; 1311dacd88d6SYuval Mintz struct vfpf_start_rxq_tlv *req; 1312dacd88d6SYuval Mintz int rc; 1313dacd88d6SYuval Mintz 1314dacd88d6SYuval Mintz memset(¶ms, 0, sizeof(params)); 1315dacd88d6SYuval Mintz req = &mbx->req_virt->start_rxq; 1316dacd88d6SYuval Mintz params.queue_id = vf->vf_queues[req->rx_qid].fw_rx_qid; 1317dacd88d6SYuval Mintz params.vport_id = vf->vport_id; 1318dacd88d6SYuval Mintz params.sb = req->hw_sb; 1319dacd88d6SYuval Mintz params.sb_idx = req->sb_index; 1320dacd88d6SYuval Mintz 1321dacd88d6SYuval Mintz rc = qed_sp_eth_rxq_start_ramrod(p_hwfn, vf->opaque_fid, 1322dacd88d6SYuval Mintz vf->vf_queues[req->rx_qid].fw_cid, 1323dacd88d6SYuval Mintz ¶ms, 1324dacd88d6SYuval Mintz vf->abs_vf_id + 0x10, 1325dacd88d6SYuval Mintz req->bd_max_bytes, 1326dacd88d6SYuval Mintz req->rxq_addr, 1327dacd88d6SYuval Mintz req->cqe_pbl_addr, req->cqe_pbl_size); 1328dacd88d6SYuval Mintz 1329dacd88d6SYuval Mintz if (rc) { 1330dacd88d6SYuval Mintz status = PFVF_STATUS_FAILURE; 1331dacd88d6SYuval Mintz } else { 1332dacd88d6SYuval Mintz vf->vf_queues[req->rx_qid].rxq_active = true; 1333dacd88d6SYuval Mintz vf->num_active_rxqs++; 1334dacd88d6SYuval Mintz } 1335dacd88d6SYuval Mintz 1336dacd88d6SYuval Mintz qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status); 1337dacd88d6SYuval Mintz } 1338dacd88d6SYuval Mintz 1339dacd88d6SYuval Mintz static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn, 1340dacd88d6SYuval Mintz struct qed_ptt *p_ptt, 1341dacd88d6SYuval Mintz struct qed_vf_info *vf) 1342dacd88d6SYuval Mintz { 1343dacd88d6SYuval Mintz u16 length = sizeof(struct pfvf_def_resp_tlv); 1344dacd88d6SYuval Mintz struct qed_queue_start_common_params params; 1345dacd88d6SYuval Mintz struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; 1346dacd88d6SYuval Mintz union qed_qm_pq_params pq_params; 1347dacd88d6SYuval Mintz u8 status = PFVF_STATUS_SUCCESS; 1348dacd88d6SYuval Mintz struct vfpf_start_txq_tlv *req; 1349dacd88d6SYuval Mintz int rc; 1350dacd88d6SYuval Mintz 1351dacd88d6SYuval Mintz /* Prepare the parameters which would choose the right PQ */ 1352dacd88d6SYuval Mintz memset(&pq_params, 0, sizeof(pq_params)); 1353dacd88d6SYuval Mintz pq_params.eth.is_vf = 1; 1354dacd88d6SYuval Mintz pq_params.eth.vf_id = vf->relative_vf_id; 1355dacd88d6SYuval Mintz 1356dacd88d6SYuval Mintz memset(¶ms, 0, sizeof(params)); 1357dacd88d6SYuval Mintz req = &mbx->req_virt->start_txq; 1358dacd88d6SYuval Mintz params.queue_id = vf->vf_queues[req->tx_qid].fw_tx_qid; 1359dacd88d6SYuval Mintz params.vport_id = vf->vport_id; 1360dacd88d6SYuval Mintz params.sb = req->hw_sb; 1361dacd88d6SYuval Mintz params.sb_idx = req->sb_index; 1362dacd88d6SYuval Mintz 1363dacd88d6SYuval Mintz rc = qed_sp_eth_txq_start_ramrod(p_hwfn, 1364dacd88d6SYuval Mintz vf->opaque_fid, 1365dacd88d6SYuval Mintz vf->vf_queues[req->tx_qid].fw_cid, 1366dacd88d6SYuval Mintz ¶ms, 1367dacd88d6SYuval Mintz vf->abs_vf_id + 0x10, 1368dacd88d6SYuval Mintz req->pbl_addr, 1369dacd88d6SYuval Mintz req->pbl_size, &pq_params); 1370dacd88d6SYuval Mintz 1371dacd88d6SYuval Mintz if (rc) 1372dacd88d6SYuval Mintz status = PFVF_STATUS_FAILURE; 1373dacd88d6SYuval Mintz else 1374dacd88d6SYuval Mintz vf->vf_queues[req->tx_qid].txq_active = true; 1375dacd88d6SYuval Mintz 1376dacd88d6SYuval Mintz qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_START_TXQ, 1377dacd88d6SYuval Mintz length, status); 1378dacd88d6SYuval Mintz } 1379dacd88d6SYuval Mintz 1380dacd88d6SYuval Mintz static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn, 1381dacd88d6SYuval Mintz struct qed_vf_info *vf, 1382dacd88d6SYuval Mintz u16 rxq_id, u8 num_rxqs, bool cqe_completion) 1383dacd88d6SYuval Mintz { 1384dacd88d6SYuval Mintz int rc = 0; 1385dacd88d6SYuval Mintz int qid; 1386dacd88d6SYuval Mintz 1387dacd88d6SYuval Mintz if (rxq_id + num_rxqs > ARRAY_SIZE(vf->vf_queues)) 1388dacd88d6SYuval Mintz return -EINVAL; 1389dacd88d6SYuval Mintz 1390dacd88d6SYuval Mintz for (qid = rxq_id; qid < rxq_id + num_rxqs; qid++) { 1391dacd88d6SYuval Mintz if (vf->vf_queues[qid].rxq_active) { 1392dacd88d6SYuval Mintz rc = qed_sp_eth_rx_queue_stop(p_hwfn, 1393dacd88d6SYuval Mintz vf->vf_queues[qid]. 1394dacd88d6SYuval Mintz fw_rx_qid, false, 1395dacd88d6SYuval Mintz cqe_completion); 1396dacd88d6SYuval Mintz 1397dacd88d6SYuval Mintz if (rc) 1398dacd88d6SYuval Mintz return rc; 1399dacd88d6SYuval Mintz } 1400dacd88d6SYuval Mintz vf->vf_queues[qid].rxq_active = false; 1401dacd88d6SYuval Mintz vf->num_active_rxqs--; 1402dacd88d6SYuval Mintz } 1403dacd88d6SYuval Mintz 1404dacd88d6SYuval Mintz return rc; 1405dacd88d6SYuval Mintz } 1406dacd88d6SYuval Mintz 1407dacd88d6SYuval Mintz static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn, 1408dacd88d6SYuval Mintz struct qed_vf_info *vf, u16 txq_id, u8 num_txqs) 1409dacd88d6SYuval Mintz { 1410dacd88d6SYuval Mintz int rc = 0; 1411dacd88d6SYuval Mintz int qid; 1412dacd88d6SYuval Mintz 1413dacd88d6SYuval Mintz if (txq_id + num_txqs > ARRAY_SIZE(vf->vf_queues)) 1414dacd88d6SYuval Mintz return -EINVAL; 1415dacd88d6SYuval Mintz 1416dacd88d6SYuval Mintz for (qid = txq_id; qid < txq_id + num_txqs; qid++) { 1417dacd88d6SYuval Mintz if (vf->vf_queues[qid].txq_active) { 1418dacd88d6SYuval Mintz rc = qed_sp_eth_tx_queue_stop(p_hwfn, 1419dacd88d6SYuval Mintz vf->vf_queues[qid]. 1420dacd88d6SYuval Mintz fw_tx_qid); 1421dacd88d6SYuval Mintz 1422dacd88d6SYuval Mintz if (rc) 1423dacd88d6SYuval Mintz return rc; 1424dacd88d6SYuval Mintz } 1425dacd88d6SYuval Mintz vf->vf_queues[qid].txq_active = false; 1426dacd88d6SYuval Mintz } 1427dacd88d6SYuval Mintz return rc; 1428dacd88d6SYuval Mintz } 1429dacd88d6SYuval Mintz 1430dacd88d6SYuval Mintz static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn, 1431dacd88d6SYuval Mintz struct qed_ptt *p_ptt, 1432dacd88d6SYuval Mintz struct qed_vf_info *vf) 1433dacd88d6SYuval Mintz { 1434dacd88d6SYuval Mintz u16 length = sizeof(struct pfvf_def_resp_tlv); 1435dacd88d6SYuval Mintz struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; 1436dacd88d6SYuval Mintz u8 status = PFVF_STATUS_SUCCESS; 1437dacd88d6SYuval Mintz struct vfpf_stop_rxqs_tlv *req; 1438dacd88d6SYuval Mintz int rc; 1439dacd88d6SYuval Mintz 1440dacd88d6SYuval Mintz /* We give the option of starting from qid != 0, in this case we 1441dacd88d6SYuval Mintz * need to make sure that qid + num_qs doesn't exceed the actual 1442dacd88d6SYuval Mintz * amount of queues that exist. 1443dacd88d6SYuval Mintz */ 1444dacd88d6SYuval Mintz req = &mbx->req_virt->stop_rxqs; 1445dacd88d6SYuval Mintz rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid, 1446dacd88d6SYuval Mintz req->num_rxqs, req->cqe_completion); 1447dacd88d6SYuval Mintz if (rc) 1448dacd88d6SYuval Mintz status = PFVF_STATUS_FAILURE; 1449dacd88d6SYuval Mintz 1450dacd88d6SYuval Mintz qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS, 1451dacd88d6SYuval Mintz length, status); 1452dacd88d6SYuval Mintz } 1453dacd88d6SYuval Mintz 1454dacd88d6SYuval Mintz static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn, 1455dacd88d6SYuval Mintz struct qed_ptt *p_ptt, 1456dacd88d6SYuval Mintz struct qed_vf_info *vf) 1457dacd88d6SYuval Mintz { 1458dacd88d6SYuval Mintz u16 length = sizeof(struct pfvf_def_resp_tlv); 1459dacd88d6SYuval Mintz struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; 1460dacd88d6SYuval Mintz u8 status = PFVF_STATUS_SUCCESS; 1461dacd88d6SYuval Mintz struct vfpf_stop_txqs_tlv *req; 1462dacd88d6SYuval Mintz int rc; 1463dacd88d6SYuval Mintz 1464dacd88d6SYuval Mintz /* We give the option of starting from qid != 0, in this case we 1465dacd88d6SYuval Mintz * need to make sure that qid + num_qs doesn't exceed the actual 1466dacd88d6SYuval Mintz * amount of queues that exist. 1467dacd88d6SYuval Mintz */ 1468dacd88d6SYuval Mintz req = &mbx->req_virt->stop_txqs; 1469dacd88d6SYuval Mintz rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, req->num_txqs); 1470dacd88d6SYuval Mintz if (rc) 1471dacd88d6SYuval Mintz status = PFVF_STATUS_FAILURE; 1472dacd88d6SYuval Mintz 1473dacd88d6SYuval Mintz qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS, 1474dacd88d6SYuval Mintz length, status); 1475dacd88d6SYuval Mintz } 1476dacd88d6SYuval Mintz 1477dacd88d6SYuval Mintz void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn, 1478dacd88d6SYuval Mintz void *p_tlvs_list, u16 req_type) 1479dacd88d6SYuval Mintz { 1480dacd88d6SYuval Mintz struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list; 1481dacd88d6SYuval Mintz int len = 0; 1482dacd88d6SYuval Mintz 1483dacd88d6SYuval Mintz do { 1484dacd88d6SYuval Mintz if (!p_tlv->length) { 1485dacd88d6SYuval Mintz DP_NOTICE(p_hwfn, "Zero length TLV found\n"); 1486dacd88d6SYuval Mintz return NULL; 1487dacd88d6SYuval Mintz } 1488dacd88d6SYuval Mintz 1489dacd88d6SYuval Mintz if (p_tlv->type == req_type) { 1490dacd88d6SYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 1491dacd88d6SYuval Mintz "Extended tlv type %d, length %d found\n", 1492dacd88d6SYuval Mintz p_tlv->type, p_tlv->length); 1493dacd88d6SYuval Mintz return p_tlv; 1494dacd88d6SYuval Mintz } 1495dacd88d6SYuval Mintz 1496dacd88d6SYuval Mintz len += p_tlv->length; 1497dacd88d6SYuval Mintz p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length); 1498dacd88d6SYuval Mintz 1499dacd88d6SYuval Mintz if ((len + p_tlv->length) > TLV_BUFFER_SIZE) { 1500dacd88d6SYuval Mintz DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n"); 1501dacd88d6SYuval Mintz return NULL; 1502dacd88d6SYuval Mintz } 1503dacd88d6SYuval Mintz } while (p_tlv->type != CHANNEL_TLV_LIST_END); 1504dacd88d6SYuval Mintz 1505dacd88d6SYuval Mintz return NULL; 1506dacd88d6SYuval Mintz } 1507dacd88d6SYuval Mintz 1508dacd88d6SYuval Mintz static void 1509dacd88d6SYuval Mintz qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn, 1510dacd88d6SYuval Mintz struct qed_sp_vport_update_params *p_data, 1511dacd88d6SYuval Mintz struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) 1512dacd88d6SYuval Mintz { 1513dacd88d6SYuval Mintz struct vfpf_vport_update_activate_tlv *p_act_tlv; 1514dacd88d6SYuval Mintz u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; 1515dacd88d6SYuval Mintz 1516dacd88d6SYuval Mintz p_act_tlv = (struct vfpf_vport_update_activate_tlv *) 1517dacd88d6SYuval Mintz qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); 1518dacd88d6SYuval Mintz if (!p_act_tlv) 1519dacd88d6SYuval Mintz return; 1520dacd88d6SYuval Mintz 1521dacd88d6SYuval Mintz p_data->update_vport_active_rx_flg = p_act_tlv->update_rx; 1522dacd88d6SYuval Mintz p_data->vport_active_rx_flg = p_act_tlv->active_rx; 1523dacd88d6SYuval Mintz p_data->update_vport_active_tx_flg = p_act_tlv->update_tx; 1524dacd88d6SYuval Mintz p_data->vport_active_tx_flg = p_act_tlv->active_tx; 1525dacd88d6SYuval Mintz *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE; 1526dacd88d6SYuval Mintz } 1527dacd88d6SYuval Mintz 1528dacd88d6SYuval Mintz static void 1529dacd88d6SYuval Mintz qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn, 1530dacd88d6SYuval Mintz struct qed_sp_vport_update_params *p_data, 1531dacd88d6SYuval Mintz struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) 1532dacd88d6SYuval Mintz { 1533dacd88d6SYuval Mintz struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv; 1534dacd88d6SYuval Mintz u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST; 1535dacd88d6SYuval Mintz 1536dacd88d6SYuval Mintz p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *) 1537dacd88d6SYuval Mintz qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); 1538dacd88d6SYuval Mintz if (!p_mcast_tlv) 1539dacd88d6SYuval Mintz return; 1540dacd88d6SYuval Mintz 1541dacd88d6SYuval Mintz p_data->update_approx_mcast_flg = 1; 1542dacd88d6SYuval Mintz memcpy(p_data->bins, p_mcast_tlv->bins, 1543dacd88d6SYuval Mintz sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS); 1544dacd88d6SYuval Mintz *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST; 1545dacd88d6SYuval Mintz } 1546dacd88d6SYuval Mintz 1547dacd88d6SYuval Mintz static void 1548dacd88d6SYuval Mintz qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn, 1549dacd88d6SYuval Mintz struct qed_sp_vport_update_params *p_data, 1550dacd88d6SYuval Mintz struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) 1551dacd88d6SYuval Mintz { 1552dacd88d6SYuval Mintz struct qed_filter_accept_flags *p_flags = &p_data->accept_flags; 1553dacd88d6SYuval Mintz struct vfpf_vport_update_accept_param_tlv *p_accept_tlv; 1554dacd88d6SYuval Mintz u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; 1555dacd88d6SYuval Mintz 1556dacd88d6SYuval Mintz p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *) 1557dacd88d6SYuval Mintz qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); 1558dacd88d6SYuval Mintz if (!p_accept_tlv) 1559dacd88d6SYuval Mintz return; 1560dacd88d6SYuval Mintz 1561dacd88d6SYuval Mintz p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode; 1562dacd88d6SYuval Mintz p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter; 1563dacd88d6SYuval Mintz p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode; 1564dacd88d6SYuval Mintz p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter; 1565dacd88d6SYuval Mintz *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM; 1566dacd88d6SYuval Mintz } 1567dacd88d6SYuval Mintz 1568dacd88d6SYuval Mintz static void 1569dacd88d6SYuval Mintz qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn, 1570dacd88d6SYuval Mintz struct qed_vf_info *vf, 1571dacd88d6SYuval Mintz struct qed_sp_vport_update_params *p_data, 1572dacd88d6SYuval Mintz struct qed_rss_params *p_rss, 1573dacd88d6SYuval Mintz struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask) 1574dacd88d6SYuval Mintz { 1575dacd88d6SYuval Mintz struct vfpf_vport_update_rss_tlv *p_rss_tlv; 1576dacd88d6SYuval Mintz u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS; 1577dacd88d6SYuval Mintz u16 i, q_idx, max_q_idx; 1578dacd88d6SYuval Mintz u16 table_size; 1579dacd88d6SYuval Mintz 1580dacd88d6SYuval Mintz p_rss_tlv = (struct vfpf_vport_update_rss_tlv *) 1581dacd88d6SYuval Mintz qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); 1582dacd88d6SYuval Mintz if (!p_rss_tlv) { 1583dacd88d6SYuval Mintz p_data->rss_params = NULL; 1584dacd88d6SYuval Mintz return; 1585dacd88d6SYuval Mintz } 1586dacd88d6SYuval Mintz 1587dacd88d6SYuval Mintz memset(p_rss, 0, sizeof(struct qed_rss_params)); 1588dacd88d6SYuval Mintz 1589dacd88d6SYuval Mintz p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags & 1590dacd88d6SYuval Mintz VFPF_UPDATE_RSS_CONFIG_FLAG); 1591dacd88d6SYuval Mintz p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags & 1592dacd88d6SYuval Mintz VFPF_UPDATE_RSS_CAPS_FLAG); 1593dacd88d6SYuval Mintz p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags & 1594dacd88d6SYuval Mintz VFPF_UPDATE_RSS_IND_TABLE_FLAG); 1595dacd88d6SYuval Mintz p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags & 1596dacd88d6SYuval Mintz VFPF_UPDATE_RSS_KEY_FLAG); 1597dacd88d6SYuval Mintz 1598dacd88d6SYuval Mintz p_rss->rss_enable = p_rss_tlv->rss_enable; 1599dacd88d6SYuval Mintz p_rss->rss_eng_id = vf->relative_vf_id + 1; 1600dacd88d6SYuval Mintz p_rss->rss_caps = p_rss_tlv->rss_caps; 1601dacd88d6SYuval Mintz p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log; 1602dacd88d6SYuval Mintz memcpy(p_rss->rss_ind_table, p_rss_tlv->rss_ind_table, 1603dacd88d6SYuval Mintz sizeof(p_rss->rss_ind_table)); 1604dacd88d6SYuval Mintz memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key)); 1605dacd88d6SYuval Mintz 1606dacd88d6SYuval Mintz table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table), 1607dacd88d6SYuval Mintz (1 << p_rss_tlv->rss_table_size_log)); 1608dacd88d6SYuval Mintz 1609dacd88d6SYuval Mintz max_q_idx = ARRAY_SIZE(vf->vf_queues); 1610dacd88d6SYuval Mintz 1611dacd88d6SYuval Mintz for (i = 0; i < table_size; i++) { 1612dacd88d6SYuval Mintz u16 index = vf->vf_queues[0].fw_rx_qid; 1613dacd88d6SYuval Mintz 1614dacd88d6SYuval Mintz q_idx = p_rss->rss_ind_table[i]; 1615dacd88d6SYuval Mintz if (q_idx >= max_q_idx) 1616dacd88d6SYuval Mintz DP_NOTICE(p_hwfn, 1617dacd88d6SYuval Mintz "rss_ind_table[%d] = %d, rxq is out of range\n", 1618dacd88d6SYuval Mintz i, q_idx); 1619dacd88d6SYuval Mintz else if (!vf->vf_queues[q_idx].rxq_active) 1620dacd88d6SYuval Mintz DP_NOTICE(p_hwfn, 1621dacd88d6SYuval Mintz "rss_ind_table[%d] = %d, rxq is not active\n", 1622dacd88d6SYuval Mintz i, q_idx); 1623dacd88d6SYuval Mintz else 1624dacd88d6SYuval Mintz index = vf->vf_queues[q_idx].fw_rx_qid; 1625dacd88d6SYuval Mintz p_rss->rss_ind_table[i] = index; 1626dacd88d6SYuval Mintz } 1627dacd88d6SYuval Mintz 1628dacd88d6SYuval Mintz p_data->rss_params = p_rss; 1629dacd88d6SYuval Mintz *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS; 1630dacd88d6SYuval Mintz } 1631dacd88d6SYuval Mintz 1632dacd88d6SYuval Mintz static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn, 1633dacd88d6SYuval Mintz struct qed_ptt *p_ptt, 1634dacd88d6SYuval Mintz struct qed_vf_info *vf) 1635dacd88d6SYuval Mintz { 1636dacd88d6SYuval Mintz struct qed_sp_vport_update_params params; 1637dacd88d6SYuval Mintz struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; 1638dacd88d6SYuval Mintz struct qed_rss_params rss_params; 1639dacd88d6SYuval Mintz u8 status = PFVF_STATUS_SUCCESS; 1640dacd88d6SYuval Mintz u16 tlvs_mask = 0; 1641dacd88d6SYuval Mintz u16 length; 1642dacd88d6SYuval Mintz int rc; 1643dacd88d6SYuval Mintz 1644dacd88d6SYuval Mintz memset(¶ms, 0, sizeof(params)); 1645dacd88d6SYuval Mintz params.opaque_fid = vf->opaque_fid; 1646dacd88d6SYuval Mintz params.vport_id = vf->vport_id; 1647dacd88d6SYuval Mintz params.rss_params = NULL; 1648dacd88d6SYuval Mintz 1649dacd88d6SYuval Mintz /* Search for extended tlvs list and update values 1650dacd88d6SYuval Mintz * from VF in struct qed_sp_vport_update_params. 1651dacd88d6SYuval Mintz */ 1652dacd88d6SYuval Mintz qed_iov_vp_update_act_param(p_hwfn, ¶ms, mbx, &tlvs_mask); 1653dacd88d6SYuval Mintz qed_iov_vp_update_mcast_bin_param(p_hwfn, ¶ms, mbx, &tlvs_mask); 1654dacd88d6SYuval Mintz qed_iov_vp_update_accept_flag(p_hwfn, ¶ms, mbx, &tlvs_mask); 1655dacd88d6SYuval Mintz qed_iov_vp_update_rss_param(p_hwfn, vf, ¶ms, &rss_params, 1656dacd88d6SYuval Mintz mbx, &tlvs_mask); 1657dacd88d6SYuval Mintz 1658dacd88d6SYuval Mintz /* Just log a message if there is no single extended tlv in buffer. 1659dacd88d6SYuval Mintz * When all features of vport update ramrod would be requested by VF 1660dacd88d6SYuval Mintz * as extended TLVs in buffer then an error can be returned in response 1661dacd88d6SYuval Mintz * if there is no extended TLV present in buffer. 1662dacd88d6SYuval Mintz */ 1663dacd88d6SYuval Mintz if (!tlvs_mask) { 1664dacd88d6SYuval Mintz DP_NOTICE(p_hwfn, 1665dacd88d6SYuval Mintz "No feature tlvs found for vport update\n"); 1666dacd88d6SYuval Mintz status = PFVF_STATUS_NOT_SUPPORTED; 1667dacd88d6SYuval Mintz goto out; 1668dacd88d6SYuval Mintz } 1669dacd88d6SYuval Mintz 1670dacd88d6SYuval Mintz rc = qed_sp_vport_update(p_hwfn, ¶ms, QED_SPQ_MODE_EBLOCK, NULL); 1671dacd88d6SYuval Mintz 1672dacd88d6SYuval Mintz if (rc) 1673dacd88d6SYuval Mintz status = PFVF_STATUS_FAILURE; 1674dacd88d6SYuval Mintz 1675dacd88d6SYuval Mintz out: 1676dacd88d6SYuval Mintz length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status, 1677dacd88d6SYuval Mintz tlvs_mask, tlvs_mask); 1678dacd88d6SYuval Mintz qed_iov_send_response(p_hwfn, p_ptt, vf, length, status); 1679dacd88d6SYuval Mintz } 1680dacd88d6SYuval Mintz 1681dacd88d6SYuval Mintz int qed_iov_chk_ucast(struct qed_hwfn *hwfn, 1682dacd88d6SYuval Mintz int vfid, struct qed_filter_ucast *params) 1683dacd88d6SYuval Mintz { 1684dacd88d6SYuval Mintz struct qed_public_vf_info *vf; 1685dacd88d6SYuval Mintz 1686dacd88d6SYuval Mintz vf = qed_iov_get_public_vf_info(hwfn, vfid, true); 1687dacd88d6SYuval Mintz if (!vf) 1688dacd88d6SYuval Mintz return -EINVAL; 1689dacd88d6SYuval Mintz 1690dacd88d6SYuval Mintz /* No real decision to make; Store the configured MAC */ 1691dacd88d6SYuval Mintz if (params->type == QED_FILTER_MAC || 1692dacd88d6SYuval Mintz params->type == QED_FILTER_MAC_VLAN) 1693dacd88d6SYuval Mintz ether_addr_copy(vf->mac, params->mac); 1694dacd88d6SYuval Mintz 1695dacd88d6SYuval Mintz return 0; 1696dacd88d6SYuval Mintz } 1697dacd88d6SYuval Mintz 1698dacd88d6SYuval Mintz static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn, 1699dacd88d6SYuval Mintz struct qed_ptt *p_ptt, 1700dacd88d6SYuval Mintz struct qed_vf_info *vf) 1701dacd88d6SYuval Mintz { 1702dacd88d6SYuval Mintz struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; 1703dacd88d6SYuval Mintz struct vfpf_ucast_filter_tlv *req; 1704dacd88d6SYuval Mintz u8 status = PFVF_STATUS_SUCCESS; 1705dacd88d6SYuval Mintz struct qed_filter_ucast params; 1706dacd88d6SYuval Mintz int rc; 1707dacd88d6SYuval Mintz 1708dacd88d6SYuval Mintz /* Prepare the unicast filter params */ 1709dacd88d6SYuval Mintz memset(¶ms, 0, sizeof(struct qed_filter_ucast)); 1710dacd88d6SYuval Mintz req = &mbx->req_virt->ucast_filter; 1711dacd88d6SYuval Mintz params.opcode = (enum qed_filter_opcode)req->opcode; 1712dacd88d6SYuval Mintz params.type = (enum qed_filter_ucast_type)req->type; 1713dacd88d6SYuval Mintz 1714dacd88d6SYuval Mintz params.is_rx_filter = 1; 1715dacd88d6SYuval Mintz params.is_tx_filter = 1; 1716dacd88d6SYuval Mintz params.vport_to_remove_from = vf->vport_id; 1717dacd88d6SYuval Mintz params.vport_to_add_to = vf->vport_id; 1718dacd88d6SYuval Mintz memcpy(params.mac, req->mac, ETH_ALEN); 1719dacd88d6SYuval Mintz params.vlan = req->vlan; 1720dacd88d6SYuval Mintz 1721dacd88d6SYuval Mintz DP_VERBOSE(p_hwfn, 1722dacd88d6SYuval Mintz QED_MSG_IOV, 1723dacd88d6SYuval Mintz "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n", 1724dacd88d6SYuval Mintz vf->abs_vf_id, params.opcode, params.type, 1725dacd88d6SYuval Mintz params.is_rx_filter ? "RX" : "", 1726dacd88d6SYuval Mintz params.is_tx_filter ? "TX" : "", 1727dacd88d6SYuval Mintz params.vport_to_add_to, 1728dacd88d6SYuval Mintz params.mac[0], params.mac[1], 1729dacd88d6SYuval Mintz params.mac[2], params.mac[3], 1730dacd88d6SYuval Mintz params.mac[4], params.mac[5], params.vlan); 1731dacd88d6SYuval Mintz 1732dacd88d6SYuval Mintz if (!vf->vport_instance) { 1733dacd88d6SYuval Mintz DP_VERBOSE(p_hwfn, 1734dacd88d6SYuval Mintz QED_MSG_IOV, 1735dacd88d6SYuval Mintz "No VPORT instance available for VF[%d], failing ucast MAC configuration\n", 1736dacd88d6SYuval Mintz vf->abs_vf_id); 1737dacd88d6SYuval Mintz status = PFVF_STATUS_FAILURE; 1738dacd88d6SYuval Mintz goto out; 1739dacd88d6SYuval Mintz } 1740dacd88d6SYuval Mintz 1741dacd88d6SYuval Mintz rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, ¶ms); 1742dacd88d6SYuval Mintz if (rc) { 1743dacd88d6SYuval Mintz status = PFVF_STATUS_FAILURE; 1744dacd88d6SYuval Mintz goto out; 1745dacd88d6SYuval Mintz } 1746dacd88d6SYuval Mintz 1747dacd88d6SYuval Mintz rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, ¶ms, 1748dacd88d6SYuval Mintz QED_SPQ_MODE_CB, NULL); 1749dacd88d6SYuval Mintz if (rc) 1750dacd88d6SYuval Mintz status = PFVF_STATUS_FAILURE; 1751dacd88d6SYuval Mintz 1752dacd88d6SYuval Mintz out: 1753dacd88d6SYuval Mintz qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER, 1754dacd88d6SYuval Mintz sizeof(struct pfvf_def_resp_tlv), status); 1755dacd88d6SYuval Mintz } 1756dacd88d6SYuval Mintz 17570b55e27dSYuval Mintz static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn, 17580b55e27dSYuval Mintz struct qed_ptt *p_ptt, 17590b55e27dSYuval Mintz struct qed_vf_info *vf) 17600b55e27dSYuval Mintz { 17610b55e27dSYuval Mintz int i; 17620b55e27dSYuval Mintz 17630b55e27dSYuval Mintz /* Reset the SBs */ 17640b55e27dSYuval Mintz for (i = 0; i < vf->num_sbs; i++) 17650b55e27dSYuval Mintz qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt, 17660b55e27dSYuval Mintz vf->igu_sbs[i], 17670b55e27dSYuval Mintz vf->opaque_fid, false); 17680b55e27dSYuval Mintz 17690b55e27dSYuval Mintz qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP, 17700b55e27dSYuval Mintz sizeof(struct pfvf_def_resp_tlv), 17710b55e27dSYuval Mintz PFVF_STATUS_SUCCESS); 17720b55e27dSYuval Mintz } 17730b55e27dSYuval Mintz 17740b55e27dSYuval Mintz static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn, 17750b55e27dSYuval Mintz struct qed_ptt *p_ptt, struct qed_vf_info *vf) 17760b55e27dSYuval Mintz { 17770b55e27dSYuval Mintz u16 length = sizeof(struct pfvf_def_resp_tlv); 17780b55e27dSYuval Mintz u8 status = PFVF_STATUS_SUCCESS; 17790b55e27dSYuval Mintz 17800b55e27dSYuval Mintz /* Disable Interrupts for VF */ 17810b55e27dSYuval Mintz qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0); 17820b55e27dSYuval Mintz 17830b55e27dSYuval Mintz /* Reset Permission table */ 17840b55e27dSYuval Mintz qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0); 17850b55e27dSYuval Mintz 17860b55e27dSYuval Mintz qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE, 17870b55e27dSYuval Mintz length, status); 17880b55e27dSYuval Mintz } 17890b55e27dSYuval Mintz 17900b55e27dSYuval Mintz static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn, 17910b55e27dSYuval Mintz struct qed_ptt *p_ptt, 17920b55e27dSYuval Mintz struct qed_vf_info *p_vf) 17930b55e27dSYuval Mintz { 17940b55e27dSYuval Mintz u16 length = sizeof(struct pfvf_def_resp_tlv); 17950b55e27dSYuval Mintz 17960b55e27dSYuval Mintz qed_iov_vf_cleanup(p_hwfn, p_vf); 17970b55e27dSYuval Mintz 17980b55e27dSYuval Mintz qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE, 17990b55e27dSYuval Mintz length, PFVF_STATUS_SUCCESS); 18000b55e27dSYuval Mintz } 18010b55e27dSYuval Mintz 18020b55e27dSYuval Mintz static int 18030b55e27dSYuval Mintz qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn, 18040b55e27dSYuval Mintz struct qed_vf_info *p_vf, struct qed_ptt *p_ptt) 18050b55e27dSYuval Mintz { 18060b55e27dSYuval Mintz int cnt; 18070b55e27dSYuval Mintz u32 val; 18080b55e27dSYuval Mintz 18090b55e27dSYuval Mintz qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid); 18100b55e27dSYuval Mintz 18110b55e27dSYuval Mintz for (cnt = 0; cnt < 50; cnt++) { 18120b55e27dSYuval Mintz val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT); 18130b55e27dSYuval Mintz if (!val) 18140b55e27dSYuval Mintz break; 18150b55e27dSYuval Mintz msleep(20); 18160b55e27dSYuval Mintz } 18170b55e27dSYuval Mintz qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid); 18180b55e27dSYuval Mintz 18190b55e27dSYuval Mintz if (cnt == 50) { 18200b55e27dSYuval Mintz DP_ERR(p_hwfn, 18210b55e27dSYuval Mintz "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n", 18220b55e27dSYuval Mintz p_vf->abs_vf_id, val); 18230b55e27dSYuval Mintz return -EBUSY; 18240b55e27dSYuval Mintz } 18250b55e27dSYuval Mintz 18260b55e27dSYuval Mintz return 0; 18270b55e27dSYuval Mintz } 18280b55e27dSYuval Mintz 18290b55e27dSYuval Mintz static int 18300b55e27dSYuval Mintz qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn, 18310b55e27dSYuval Mintz struct qed_vf_info *p_vf, struct qed_ptt *p_ptt) 18320b55e27dSYuval Mintz { 18330b55e27dSYuval Mintz u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS]; 18340b55e27dSYuval Mintz int i, cnt; 18350b55e27dSYuval Mintz 18360b55e27dSYuval Mintz /* Read initial consumers & producers */ 18370b55e27dSYuval Mintz for (i = 0; i < MAX_NUM_VOQS; i++) { 18380b55e27dSYuval Mintz u32 prod; 18390b55e27dSYuval Mintz 18400b55e27dSYuval Mintz cons[i] = qed_rd(p_hwfn, p_ptt, 18410b55e27dSYuval Mintz PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 + 18420b55e27dSYuval Mintz i * 0x40); 18430b55e27dSYuval Mintz prod = qed_rd(p_hwfn, p_ptt, 18440b55e27dSYuval Mintz PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 + 18450b55e27dSYuval Mintz i * 0x40); 18460b55e27dSYuval Mintz distance[i] = prod - cons[i]; 18470b55e27dSYuval Mintz } 18480b55e27dSYuval Mintz 18490b55e27dSYuval Mintz /* Wait for consumers to pass the producers */ 18500b55e27dSYuval Mintz i = 0; 18510b55e27dSYuval Mintz for (cnt = 0; cnt < 50; cnt++) { 18520b55e27dSYuval Mintz for (; i < MAX_NUM_VOQS; i++) { 18530b55e27dSYuval Mintz u32 tmp; 18540b55e27dSYuval Mintz 18550b55e27dSYuval Mintz tmp = qed_rd(p_hwfn, p_ptt, 18560b55e27dSYuval Mintz PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 + 18570b55e27dSYuval Mintz i * 0x40); 18580b55e27dSYuval Mintz if (distance[i] > tmp - cons[i]) 18590b55e27dSYuval Mintz break; 18600b55e27dSYuval Mintz } 18610b55e27dSYuval Mintz 18620b55e27dSYuval Mintz if (i == MAX_NUM_VOQS) 18630b55e27dSYuval Mintz break; 18640b55e27dSYuval Mintz 18650b55e27dSYuval Mintz msleep(20); 18660b55e27dSYuval Mintz } 18670b55e27dSYuval Mintz 18680b55e27dSYuval Mintz if (cnt == 50) { 18690b55e27dSYuval Mintz DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n", 18700b55e27dSYuval Mintz p_vf->abs_vf_id, i); 18710b55e27dSYuval Mintz return -EBUSY; 18720b55e27dSYuval Mintz } 18730b55e27dSYuval Mintz 18740b55e27dSYuval Mintz return 0; 18750b55e27dSYuval Mintz } 18760b55e27dSYuval Mintz 18770b55e27dSYuval Mintz static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn, 18780b55e27dSYuval Mintz struct qed_vf_info *p_vf, struct qed_ptt *p_ptt) 18790b55e27dSYuval Mintz { 18800b55e27dSYuval Mintz int rc; 18810b55e27dSYuval Mintz 18820b55e27dSYuval Mintz rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt); 18830b55e27dSYuval Mintz if (rc) 18840b55e27dSYuval Mintz return rc; 18850b55e27dSYuval Mintz 18860b55e27dSYuval Mintz rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt); 18870b55e27dSYuval Mintz if (rc) 18880b55e27dSYuval Mintz return rc; 18890b55e27dSYuval Mintz 18900b55e27dSYuval Mintz return 0; 18910b55e27dSYuval Mintz } 18920b55e27dSYuval Mintz 18930b55e27dSYuval Mintz static int 18940b55e27dSYuval Mintz qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn, 18950b55e27dSYuval Mintz struct qed_ptt *p_ptt, 18960b55e27dSYuval Mintz u16 rel_vf_id, u32 *ack_vfs) 18970b55e27dSYuval Mintz { 18980b55e27dSYuval Mintz struct qed_vf_info *p_vf; 18990b55e27dSYuval Mintz int rc = 0; 19000b55e27dSYuval Mintz 19010b55e27dSYuval Mintz p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false); 19020b55e27dSYuval Mintz if (!p_vf) 19030b55e27dSYuval Mintz return 0; 19040b55e27dSYuval Mintz 19050b55e27dSYuval Mintz if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] & 19060b55e27dSYuval Mintz (1ULL << (rel_vf_id % 64))) { 19070b55e27dSYuval Mintz u16 vfid = p_vf->abs_vf_id; 19080b55e27dSYuval Mintz 19090b55e27dSYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 19100b55e27dSYuval Mintz "VF[%d] - Handling FLR\n", vfid); 19110b55e27dSYuval Mintz 19120b55e27dSYuval Mintz qed_iov_vf_cleanup(p_hwfn, p_vf); 19130b55e27dSYuval Mintz 19140b55e27dSYuval Mintz /* If VF isn't active, no need for anything but SW */ 19150b55e27dSYuval Mintz if (!p_vf->b_init) 19160b55e27dSYuval Mintz goto cleanup; 19170b55e27dSYuval Mintz 19180b55e27dSYuval Mintz rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt); 19190b55e27dSYuval Mintz if (rc) 19200b55e27dSYuval Mintz goto cleanup; 19210b55e27dSYuval Mintz 19220b55e27dSYuval Mintz rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true); 19230b55e27dSYuval Mintz if (rc) { 19240b55e27dSYuval Mintz DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid); 19250b55e27dSYuval Mintz return rc; 19260b55e27dSYuval Mintz } 19270b55e27dSYuval Mintz 19280b55e27dSYuval Mintz /* VF_STOPPED has to be set only after final cleanup 19290b55e27dSYuval Mintz * but prior to re-enabling the VF. 19300b55e27dSYuval Mintz */ 19310b55e27dSYuval Mintz p_vf->state = VF_STOPPED; 19320b55e27dSYuval Mintz 19330b55e27dSYuval Mintz rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf); 19340b55e27dSYuval Mintz if (rc) { 19350b55e27dSYuval Mintz DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n", 19360b55e27dSYuval Mintz vfid); 19370b55e27dSYuval Mintz return rc; 19380b55e27dSYuval Mintz } 19390b55e27dSYuval Mintz cleanup: 19400b55e27dSYuval Mintz /* Mark VF for ack and clean pending state */ 19410b55e27dSYuval Mintz if (p_vf->state == VF_RESET) 19420b55e27dSYuval Mintz p_vf->state = VF_STOPPED; 19430b55e27dSYuval Mintz ack_vfs[vfid / 32] |= (1 << (vfid % 32)); 19440b55e27dSYuval Mintz p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &= 19450b55e27dSYuval Mintz ~(1ULL << (rel_vf_id % 64)); 19460b55e27dSYuval Mintz p_hwfn->pf_iov_info->pending_events[rel_vf_id / 64] &= 19470b55e27dSYuval Mintz ~(1ULL << (rel_vf_id % 64)); 19480b55e27dSYuval Mintz } 19490b55e27dSYuval Mintz 19500b55e27dSYuval Mintz return rc; 19510b55e27dSYuval Mintz } 19520b55e27dSYuval Mintz 19530b55e27dSYuval Mintz int qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 19540b55e27dSYuval Mintz { 19550b55e27dSYuval Mintz u32 ack_vfs[VF_MAX_STATIC / 32]; 19560b55e27dSYuval Mintz int rc = 0; 19570b55e27dSYuval Mintz u16 i; 19580b55e27dSYuval Mintz 19590b55e27dSYuval Mintz memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32)); 19600b55e27dSYuval Mintz 19610b55e27dSYuval Mintz /* Since BRB <-> PRS interface can't be tested as part of the flr 19620b55e27dSYuval Mintz * polling due to HW limitations, simply sleep a bit. And since 19630b55e27dSYuval Mintz * there's no need to wait per-vf, do it before looping. 19640b55e27dSYuval Mintz */ 19650b55e27dSYuval Mintz msleep(100); 19660b55e27dSYuval Mintz 19670b55e27dSYuval Mintz for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) 19680b55e27dSYuval Mintz qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs); 19690b55e27dSYuval Mintz 19700b55e27dSYuval Mintz rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs); 19710b55e27dSYuval Mintz return rc; 19720b55e27dSYuval Mintz } 19730b55e27dSYuval Mintz 19740b55e27dSYuval Mintz int qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs) 19750b55e27dSYuval Mintz { 19760b55e27dSYuval Mintz u16 i, found = 0; 19770b55e27dSYuval Mintz 19780b55e27dSYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n"); 19790b55e27dSYuval Mintz for (i = 0; i < (VF_MAX_STATIC / 32); i++) 19800b55e27dSYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 19810b55e27dSYuval Mintz "[%08x,...,%08x]: %08x\n", 19820b55e27dSYuval Mintz i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]); 19830b55e27dSYuval Mintz 19840b55e27dSYuval Mintz if (!p_hwfn->cdev->p_iov_info) { 19850b55e27dSYuval Mintz DP_NOTICE(p_hwfn, "VF flr but no IOV\n"); 19860b55e27dSYuval Mintz return 0; 19870b55e27dSYuval Mintz } 19880b55e27dSYuval Mintz 19890b55e27dSYuval Mintz /* Mark VFs */ 19900b55e27dSYuval Mintz for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) { 19910b55e27dSYuval Mintz struct qed_vf_info *p_vf; 19920b55e27dSYuval Mintz u8 vfid; 19930b55e27dSYuval Mintz 19940b55e27dSYuval Mintz p_vf = qed_iov_get_vf_info(p_hwfn, i, false); 19950b55e27dSYuval Mintz if (!p_vf) 19960b55e27dSYuval Mintz continue; 19970b55e27dSYuval Mintz 19980b55e27dSYuval Mintz vfid = p_vf->abs_vf_id; 19990b55e27dSYuval Mintz if ((1 << (vfid % 32)) & p_disabled_vfs[vfid / 32]) { 20000b55e27dSYuval Mintz u64 *p_flr = p_hwfn->pf_iov_info->pending_flr; 20010b55e27dSYuval Mintz u16 rel_vf_id = p_vf->relative_vf_id; 20020b55e27dSYuval Mintz 20030b55e27dSYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 20040b55e27dSYuval Mintz "VF[%d] [rel %d] got FLR-ed\n", 20050b55e27dSYuval Mintz vfid, rel_vf_id); 20060b55e27dSYuval Mintz 20070b55e27dSYuval Mintz p_vf->state = VF_RESET; 20080b55e27dSYuval Mintz 20090b55e27dSYuval Mintz /* No need to lock here, since pending_flr should 20100b55e27dSYuval Mintz * only change here and before ACKing MFw. Since 20110b55e27dSYuval Mintz * MFW will not trigger an additional attention for 20120b55e27dSYuval Mintz * VF flr until ACKs, we're safe. 20130b55e27dSYuval Mintz */ 20140b55e27dSYuval Mintz p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64); 20150b55e27dSYuval Mintz found = 1; 20160b55e27dSYuval Mintz } 20170b55e27dSYuval Mintz } 20180b55e27dSYuval Mintz 20190b55e27dSYuval Mintz return found; 20200b55e27dSYuval Mintz } 20210b55e27dSYuval Mintz 202237bff2b9SYuval Mintz static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn, 202337bff2b9SYuval Mintz struct qed_ptt *p_ptt, int vfid) 202437bff2b9SYuval Mintz { 202537bff2b9SYuval Mintz struct qed_iov_vf_mbx *mbx; 202637bff2b9SYuval Mintz struct qed_vf_info *p_vf; 202737bff2b9SYuval Mintz int i; 202837bff2b9SYuval Mintz 202937bff2b9SYuval Mintz p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true); 203037bff2b9SYuval Mintz if (!p_vf) 203137bff2b9SYuval Mintz return; 203237bff2b9SYuval Mintz 203337bff2b9SYuval Mintz mbx = &p_vf->vf_mbx; 203437bff2b9SYuval Mintz 203537bff2b9SYuval Mintz /* qed_iov_process_mbx_request */ 203637bff2b9SYuval Mintz DP_VERBOSE(p_hwfn, 203737bff2b9SYuval Mintz QED_MSG_IOV, 203837bff2b9SYuval Mintz "qed_iov_process_mbx_req vfid %d\n", p_vf->abs_vf_id); 203937bff2b9SYuval Mintz 204037bff2b9SYuval Mintz mbx->first_tlv = mbx->req_virt->first_tlv; 204137bff2b9SYuval Mintz 204237bff2b9SYuval Mintz /* check if tlv type is known */ 204337bff2b9SYuval Mintz if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) { 20441408cc1fSYuval Mintz switch (mbx->first_tlv.tl.type) { 20451408cc1fSYuval Mintz case CHANNEL_TLV_ACQUIRE: 20461408cc1fSYuval Mintz qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf); 20471408cc1fSYuval Mintz break; 2048dacd88d6SYuval Mintz case CHANNEL_TLV_VPORT_START: 2049dacd88d6SYuval Mintz qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf); 2050dacd88d6SYuval Mintz break; 2051dacd88d6SYuval Mintz case CHANNEL_TLV_VPORT_TEARDOWN: 2052dacd88d6SYuval Mintz qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf); 2053dacd88d6SYuval Mintz break; 2054dacd88d6SYuval Mintz case CHANNEL_TLV_START_RXQ: 2055dacd88d6SYuval Mintz qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf); 2056dacd88d6SYuval Mintz break; 2057dacd88d6SYuval Mintz case CHANNEL_TLV_START_TXQ: 2058dacd88d6SYuval Mintz qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf); 2059dacd88d6SYuval Mintz break; 2060dacd88d6SYuval Mintz case CHANNEL_TLV_STOP_RXQS: 2061dacd88d6SYuval Mintz qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf); 2062dacd88d6SYuval Mintz break; 2063dacd88d6SYuval Mintz case CHANNEL_TLV_STOP_TXQS: 2064dacd88d6SYuval Mintz qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf); 2065dacd88d6SYuval Mintz break; 2066dacd88d6SYuval Mintz case CHANNEL_TLV_VPORT_UPDATE: 2067dacd88d6SYuval Mintz qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf); 2068dacd88d6SYuval Mintz break; 2069dacd88d6SYuval Mintz case CHANNEL_TLV_UCAST_FILTER: 2070dacd88d6SYuval Mintz qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf); 2071dacd88d6SYuval Mintz break; 20720b55e27dSYuval Mintz case CHANNEL_TLV_CLOSE: 20730b55e27dSYuval Mintz qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf); 20740b55e27dSYuval Mintz break; 20750b55e27dSYuval Mintz case CHANNEL_TLV_INT_CLEANUP: 20760b55e27dSYuval Mintz qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf); 20770b55e27dSYuval Mintz break; 20780b55e27dSYuval Mintz case CHANNEL_TLV_RELEASE: 20790b55e27dSYuval Mintz qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf); 20800b55e27dSYuval Mintz break; 20811408cc1fSYuval Mintz } 208237bff2b9SYuval Mintz } else { 208337bff2b9SYuval Mintz /* unknown TLV - this may belong to a VF driver from the future 208437bff2b9SYuval Mintz * - a version written after this PF driver was written, which 208537bff2b9SYuval Mintz * supports features unknown as of yet. Too bad since we don't 208637bff2b9SYuval Mintz * support them. Or this may be because someone wrote a crappy 208737bff2b9SYuval Mintz * VF driver and is sending garbage over the channel. 208837bff2b9SYuval Mintz */ 208937bff2b9SYuval Mintz DP_ERR(p_hwfn, 209037bff2b9SYuval Mintz "unknown TLV. type %d length %d. first 20 bytes of mailbox buffer:\n", 209137bff2b9SYuval Mintz mbx->first_tlv.tl.type, mbx->first_tlv.tl.length); 209237bff2b9SYuval Mintz 209337bff2b9SYuval Mintz for (i = 0; i < 20; i++) { 209437bff2b9SYuval Mintz DP_VERBOSE(p_hwfn, 209537bff2b9SYuval Mintz QED_MSG_IOV, 209637bff2b9SYuval Mintz "%x ", 209737bff2b9SYuval Mintz mbx->req_virt->tlv_buf_size.tlv_buffer[i]); 209837bff2b9SYuval Mintz } 209937bff2b9SYuval Mintz } 210037bff2b9SYuval Mintz } 210137bff2b9SYuval Mintz 210237bff2b9SYuval Mintz void qed_iov_pf_add_pending_events(struct qed_hwfn *p_hwfn, u8 vfid) 210337bff2b9SYuval Mintz { 210437bff2b9SYuval Mintz u64 add_bit = 1ULL << (vfid % 64); 210537bff2b9SYuval Mintz 210637bff2b9SYuval Mintz p_hwfn->pf_iov_info->pending_events[vfid / 64] |= add_bit; 210737bff2b9SYuval Mintz } 210837bff2b9SYuval Mintz 210937bff2b9SYuval Mintz static void qed_iov_pf_get_and_clear_pending_events(struct qed_hwfn *p_hwfn, 211037bff2b9SYuval Mintz u64 *events) 211137bff2b9SYuval Mintz { 211237bff2b9SYuval Mintz u64 *p_pending_events = p_hwfn->pf_iov_info->pending_events; 211337bff2b9SYuval Mintz 211437bff2b9SYuval Mintz memcpy(events, p_pending_events, sizeof(u64) * QED_VF_ARRAY_LENGTH); 211537bff2b9SYuval Mintz memset(p_pending_events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH); 211637bff2b9SYuval Mintz } 211737bff2b9SYuval Mintz 211837bff2b9SYuval Mintz static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn, 211937bff2b9SYuval Mintz u16 abs_vfid, struct regpair *vf_msg) 212037bff2b9SYuval Mintz { 212137bff2b9SYuval Mintz u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf; 212237bff2b9SYuval Mintz struct qed_vf_info *p_vf; 212337bff2b9SYuval Mintz 212437bff2b9SYuval Mintz if (!qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min)) { 212537bff2b9SYuval Mintz DP_VERBOSE(p_hwfn, 212637bff2b9SYuval Mintz QED_MSG_IOV, 212737bff2b9SYuval Mintz "Got a message from VF [abs 0x%08x] that cannot be handled by PF\n", 212837bff2b9SYuval Mintz abs_vfid); 212937bff2b9SYuval Mintz return 0; 213037bff2b9SYuval Mintz } 213137bff2b9SYuval Mintz p_vf = &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min]; 213237bff2b9SYuval Mintz 213337bff2b9SYuval Mintz /* List the physical address of the request so that handler 213437bff2b9SYuval Mintz * could later on copy the message from it. 213537bff2b9SYuval Mintz */ 213637bff2b9SYuval Mintz p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo; 213737bff2b9SYuval Mintz 213837bff2b9SYuval Mintz /* Mark the event and schedule the workqueue */ 213937bff2b9SYuval Mintz qed_iov_pf_add_pending_events(p_hwfn, p_vf->relative_vf_id); 214037bff2b9SYuval Mintz qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG); 214137bff2b9SYuval Mintz 214237bff2b9SYuval Mintz return 0; 214337bff2b9SYuval Mintz } 214437bff2b9SYuval Mintz 214537bff2b9SYuval Mintz int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn, 214637bff2b9SYuval Mintz u8 opcode, __le16 echo, union event_ring_data *data) 214737bff2b9SYuval Mintz { 214837bff2b9SYuval Mintz switch (opcode) { 214937bff2b9SYuval Mintz case COMMON_EVENT_VF_PF_CHANNEL: 215037bff2b9SYuval Mintz return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo), 215137bff2b9SYuval Mintz &data->vf_pf_channel.msg_addr); 215237bff2b9SYuval Mintz default: 215337bff2b9SYuval Mintz DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n", 215437bff2b9SYuval Mintz opcode); 215537bff2b9SYuval Mintz return -EINVAL; 215637bff2b9SYuval Mintz } 215737bff2b9SYuval Mintz } 215837bff2b9SYuval Mintz 215932a47e72SYuval Mintz u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id) 216032a47e72SYuval Mintz { 216132a47e72SYuval Mintz struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info; 216232a47e72SYuval Mintz u16 i; 216332a47e72SYuval Mintz 216432a47e72SYuval Mintz if (!p_iov) 216532a47e72SYuval Mintz goto out; 216632a47e72SYuval Mintz 216732a47e72SYuval Mintz for (i = rel_vf_id; i < p_iov->total_vfs; i++) 216832a47e72SYuval Mintz if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true)) 216932a47e72SYuval Mintz return i; 217032a47e72SYuval Mintz 217132a47e72SYuval Mintz out: 217232a47e72SYuval Mintz return MAX_NUM_VFS; 217332a47e72SYuval Mintz } 217437bff2b9SYuval Mintz 217537bff2b9SYuval Mintz static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt, 217637bff2b9SYuval Mintz int vfid) 217737bff2b9SYuval Mintz { 217837bff2b9SYuval Mintz struct qed_dmae_params params; 217937bff2b9SYuval Mintz struct qed_vf_info *vf_info; 218037bff2b9SYuval Mintz 218137bff2b9SYuval Mintz vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true); 218237bff2b9SYuval Mintz if (!vf_info) 218337bff2b9SYuval Mintz return -EINVAL; 218437bff2b9SYuval Mintz 218537bff2b9SYuval Mintz memset(¶ms, 0, sizeof(struct qed_dmae_params)); 218637bff2b9SYuval Mintz params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST; 218737bff2b9SYuval Mintz params.src_vfid = vf_info->abs_vf_id; 218837bff2b9SYuval Mintz 218937bff2b9SYuval Mintz if (qed_dmae_host2host(p_hwfn, ptt, 219037bff2b9SYuval Mintz vf_info->vf_mbx.pending_req, 219137bff2b9SYuval Mintz vf_info->vf_mbx.req_phys, 219237bff2b9SYuval Mintz sizeof(union vfpf_tlvs) / 4, ¶ms)) { 219337bff2b9SYuval Mintz DP_VERBOSE(p_hwfn, QED_MSG_IOV, 219437bff2b9SYuval Mintz "Failed to copy message from VF 0x%02x\n", vfid); 219537bff2b9SYuval Mintz 219637bff2b9SYuval Mintz return -EIO; 219737bff2b9SYuval Mintz } 219837bff2b9SYuval Mintz 219937bff2b9SYuval Mintz return 0; 220037bff2b9SYuval Mintz } 220137bff2b9SYuval Mintz 22020b55e27dSYuval Mintz bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid) 22030b55e27dSYuval Mintz { 22040b55e27dSYuval Mintz struct qed_vf_info *p_vf_info; 22050b55e27dSYuval Mintz 22060b55e27dSYuval Mintz p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true); 22070b55e27dSYuval Mintz if (!p_vf_info) 22080b55e27dSYuval Mintz return true; 22090b55e27dSYuval Mintz 22100b55e27dSYuval Mintz return p_vf_info->state == VF_STOPPED; 22110b55e27dSYuval Mintz } 22120b55e27dSYuval Mintz 221337bff2b9SYuval Mintz /** 221437bff2b9SYuval Mintz * qed_schedule_iov - schedules IOV task for VF and PF 221537bff2b9SYuval Mintz * @hwfn: hardware function pointer 221637bff2b9SYuval Mintz * @flag: IOV flag for VF/PF 221737bff2b9SYuval Mintz */ 221837bff2b9SYuval Mintz void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag) 221937bff2b9SYuval Mintz { 222037bff2b9SYuval Mintz smp_mb__before_atomic(); 222137bff2b9SYuval Mintz set_bit(flag, &hwfn->iov_task_flags); 222237bff2b9SYuval Mintz smp_mb__after_atomic(); 222337bff2b9SYuval Mintz DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag); 222437bff2b9SYuval Mintz queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0); 222537bff2b9SYuval Mintz } 222637bff2b9SYuval Mintz 22271408cc1fSYuval Mintz void qed_vf_start_iov_wq(struct qed_dev *cdev) 22281408cc1fSYuval Mintz { 22291408cc1fSYuval Mintz int i; 22301408cc1fSYuval Mintz 22311408cc1fSYuval Mintz for_each_hwfn(cdev, i) 22321408cc1fSYuval Mintz queue_delayed_work(cdev->hwfns[i].iov_wq, 22331408cc1fSYuval Mintz &cdev->hwfns[i].iov_task, 0); 22341408cc1fSYuval Mintz } 22351408cc1fSYuval Mintz 22360b55e27dSYuval Mintz int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled) 22370b55e27dSYuval Mintz { 22380b55e27dSYuval Mintz int i, j; 22390b55e27dSYuval Mintz 22400b55e27dSYuval Mintz for_each_hwfn(cdev, i) 22410b55e27dSYuval Mintz if (cdev->hwfns[i].iov_wq) 22420b55e27dSYuval Mintz flush_workqueue(cdev->hwfns[i].iov_wq); 22430b55e27dSYuval Mintz 22440b55e27dSYuval Mintz /* Mark VFs for disablement */ 22450b55e27dSYuval Mintz qed_iov_set_vfs_to_disable(cdev, true); 22460b55e27dSYuval Mintz 22470b55e27dSYuval Mintz if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled) 22480b55e27dSYuval Mintz pci_disable_sriov(cdev->pdev); 22490b55e27dSYuval Mintz 22500b55e27dSYuval Mintz for_each_hwfn(cdev, i) { 22510b55e27dSYuval Mintz struct qed_hwfn *hwfn = &cdev->hwfns[i]; 22520b55e27dSYuval Mintz struct qed_ptt *ptt = qed_ptt_acquire(hwfn); 22530b55e27dSYuval Mintz 22540b55e27dSYuval Mintz /* Failure to acquire the ptt in 100g creates an odd error 22550b55e27dSYuval Mintz * where the first engine has already relased IOV. 22560b55e27dSYuval Mintz */ 22570b55e27dSYuval Mintz if (!ptt) { 22580b55e27dSYuval Mintz DP_ERR(hwfn, "Failed to acquire ptt\n"); 22590b55e27dSYuval Mintz return -EBUSY; 22600b55e27dSYuval Mintz } 22610b55e27dSYuval Mintz 22620b55e27dSYuval Mintz qed_for_each_vf(hwfn, j) { 22630b55e27dSYuval Mintz int k; 22640b55e27dSYuval Mintz 22650b55e27dSYuval Mintz if (!qed_iov_is_valid_vfid(hwfn, j, true)) 22660b55e27dSYuval Mintz continue; 22670b55e27dSYuval Mintz 22680b55e27dSYuval Mintz /* Wait until VF is disabled before releasing */ 22690b55e27dSYuval Mintz for (k = 0; k < 100; k++) { 22700b55e27dSYuval Mintz if (!qed_iov_is_vf_stopped(hwfn, j)) 22710b55e27dSYuval Mintz msleep(20); 22720b55e27dSYuval Mintz else 22730b55e27dSYuval Mintz break; 22740b55e27dSYuval Mintz } 22750b55e27dSYuval Mintz 22760b55e27dSYuval Mintz if (k < 100) 22770b55e27dSYuval Mintz qed_iov_release_hw_for_vf(&cdev->hwfns[i], 22780b55e27dSYuval Mintz ptt, j); 22790b55e27dSYuval Mintz else 22800b55e27dSYuval Mintz DP_ERR(hwfn, 22810b55e27dSYuval Mintz "Timeout waiting for VF's FLR to end\n"); 22820b55e27dSYuval Mintz } 22830b55e27dSYuval Mintz 22840b55e27dSYuval Mintz qed_ptt_release(hwfn, ptt); 22850b55e27dSYuval Mintz } 22860b55e27dSYuval Mintz 22870b55e27dSYuval Mintz qed_iov_set_vfs_to_disable(cdev, false); 22880b55e27dSYuval Mintz 22890b55e27dSYuval Mintz return 0; 22900b55e27dSYuval Mintz } 22910b55e27dSYuval Mintz 22920b55e27dSYuval Mintz static int qed_sriov_enable(struct qed_dev *cdev, int num) 22930b55e27dSYuval Mintz { 22940b55e27dSYuval Mintz struct qed_sb_cnt_info sb_cnt_info; 22950b55e27dSYuval Mintz int i, j, rc; 22960b55e27dSYuval Mintz 22970b55e27dSYuval Mintz if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) { 22980b55e27dSYuval Mintz DP_NOTICE(cdev, "Can start at most %d VFs\n", 22990b55e27dSYuval Mintz RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1); 23000b55e27dSYuval Mintz return -EINVAL; 23010b55e27dSYuval Mintz } 23020b55e27dSYuval Mintz 23030b55e27dSYuval Mintz /* Initialize HW for VF access */ 23040b55e27dSYuval Mintz for_each_hwfn(cdev, j) { 23050b55e27dSYuval Mintz struct qed_hwfn *hwfn = &cdev->hwfns[j]; 23060b55e27dSYuval Mintz struct qed_ptt *ptt = qed_ptt_acquire(hwfn); 23070b55e27dSYuval Mintz int num_sbs = 0, limit = 16; 23080b55e27dSYuval Mintz 23090b55e27dSYuval Mintz if (!ptt) { 23100b55e27dSYuval Mintz DP_ERR(hwfn, "Failed to acquire ptt\n"); 23110b55e27dSYuval Mintz rc = -EBUSY; 23120b55e27dSYuval Mintz goto err; 23130b55e27dSYuval Mintz } 23140b55e27dSYuval Mintz 23150b55e27dSYuval Mintz memset(&sb_cnt_info, 0, sizeof(sb_cnt_info)); 23160b55e27dSYuval Mintz qed_int_get_num_sbs(hwfn, &sb_cnt_info); 23170b55e27dSYuval Mintz num_sbs = min_t(int, sb_cnt_info.sb_free_blk, limit); 23180b55e27dSYuval Mintz 23190b55e27dSYuval Mintz for (i = 0; i < num; i++) { 23200b55e27dSYuval Mintz if (!qed_iov_is_valid_vfid(hwfn, i, false)) 23210b55e27dSYuval Mintz continue; 23220b55e27dSYuval Mintz 23230b55e27dSYuval Mintz rc = qed_iov_init_hw_for_vf(hwfn, 23240b55e27dSYuval Mintz ptt, i, num_sbs / num); 23250b55e27dSYuval Mintz if (rc) { 23260b55e27dSYuval Mintz DP_ERR(cdev, "Failed to enable VF[%d]\n", i); 23270b55e27dSYuval Mintz qed_ptt_release(hwfn, ptt); 23280b55e27dSYuval Mintz goto err; 23290b55e27dSYuval Mintz } 23300b55e27dSYuval Mintz } 23310b55e27dSYuval Mintz 23320b55e27dSYuval Mintz qed_ptt_release(hwfn, ptt); 23330b55e27dSYuval Mintz } 23340b55e27dSYuval Mintz 23350b55e27dSYuval Mintz /* Enable SRIOV PCIe functions */ 23360b55e27dSYuval Mintz rc = pci_enable_sriov(cdev->pdev, num); 23370b55e27dSYuval Mintz if (rc) { 23380b55e27dSYuval Mintz DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc); 23390b55e27dSYuval Mintz goto err; 23400b55e27dSYuval Mintz } 23410b55e27dSYuval Mintz 23420b55e27dSYuval Mintz return num; 23430b55e27dSYuval Mintz 23440b55e27dSYuval Mintz err: 23450b55e27dSYuval Mintz qed_sriov_disable(cdev, false); 23460b55e27dSYuval Mintz return rc; 23470b55e27dSYuval Mintz } 23480b55e27dSYuval Mintz 23490b55e27dSYuval Mintz static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param) 23500b55e27dSYuval Mintz { 23510b55e27dSYuval Mintz if (!IS_QED_SRIOV(cdev)) { 23520b55e27dSYuval Mintz DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n"); 23530b55e27dSYuval Mintz return -EOPNOTSUPP; 23540b55e27dSYuval Mintz } 23550b55e27dSYuval Mintz 23560b55e27dSYuval Mintz if (num_vfs_param) 23570b55e27dSYuval Mintz return qed_sriov_enable(cdev, num_vfs_param); 23580b55e27dSYuval Mintz else 23590b55e27dSYuval Mintz return qed_sriov_disable(cdev, true); 23600b55e27dSYuval Mintz } 23610b55e27dSYuval Mintz 236237bff2b9SYuval Mintz static void qed_handle_vf_msg(struct qed_hwfn *hwfn) 236337bff2b9SYuval Mintz { 236437bff2b9SYuval Mintz u64 events[QED_VF_ARRAY_LENGTH]; 236537bff2b9SYuval Mintz struct qed_ptt *ptt; 236637bff2b9SYuval Mintz int i; 236737bff2b9SYuval Mintz 236837bff2b9SYuval Mintz ptt = qed_ptt_acquire(hwfn); 236937bff2b9SYuval Mintz if (!ptt) { 237037bff2b9SYuval Mintz DP_VERBOSE(hwfn, QED_MSG_IOV, 237137bff2b9SYuval Mintz "Can't acquire PTT; re-scheduling\n"); 237237bff2b9SYuval Mintz qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG); 237337bff2b9SYuval Mintz return; 237437bff2b9SYuval Mintz } 237537bff2b9SYuval Mintz 237637bff2b9SYuval Mintz qed_iov_pf_get_and_clear_pending_events(hwfn, events); 237737bff2b9SYuval Mintz 237837bff2b9SYuval Mintz DP_VERBOSE(hwfn, QED_MSG_IOV, 237937bff2b9SYuval Mintz "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n", 238037bff2b9SYuval Mintz events[0], events[1], events[2]); 238137bff2b9SYuval Mintz 238237bff2b9SYuval Mintz qed_for_each_vf(hwfn, i) { 238337bff2b9SYuval Mintz /* Skip VFs with no pending messages */ 238437bff2b9SYuval Mintz if (!(events[i / 64] & (1ULL << (i % 64)))) 238537bff2b9SYuval Mintz continue; 238637bff2b9SYuval Mintz 238737bff2b9SYuval Mintz DP_VERBOSE(hwfn, QED_MSG_IOV, 238837bff2b9SYuval Mintz "Handling VF message from VF 0x%02x [Abs 0x%02x]\n", 238937bff2b9SYuval Mintz i, hwfn->cdev->p_iov_info->first_vf_in_pf + i); 239037bff2b9SYuval Mintz 239137bff2b9SYuval Mintz /* Copy VF's message to PF's request buffer for that VF */ 239237bff2b9SYuval Mintz if (qed_iov_copy_vf_msg(hwfn, ptt, i)) 239337bff2b9SYuval Mintz continue; 239437bff2b9SYuval Mintz 239537bff2b9SYuval Mintz qed_iov_process_mbx_req(hwfn, ptt, i); 239637bff2b9SYuval Mintz } 239737bff2b9SYuval Mintz 239837bff2b9SYuval Mintz qed_ptt_release(hwfn, ptt); 239937bff2b9SYuval Mintz } 240037bff2b9SYuval Mintz 240137bff2b9SYuval Mintz void qed_iov_pf_task(struct work_struct *work) 240237bff2b9SYuval Mintz { 240337bff2b9SYuval Mintz struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn, 240437bff2b9SYuval Mintz iov_task.work); 24050b55e27dSYuval Mintz int rc; 240637bff2b9SYuval Mintz 240737bff2b9SYuval Mintz if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags)) 240837bff2b9SYuval Mintz return; 240937bff2b9SYuval Mintz 24100b55e27dSYuval Mintz if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) { 24110b55e27dSYuval Mintz struct qed_ptt *ptt = qed_ptt_acquire(hwfn); 24120b55e27dSYuval Mintz 24130b55e27dSYuval Mintz if (!ptt) { 24140b55e27dSYuval Mintz qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG); 24150b55e27dSYuval Mintz return; 24160b55e27dSYuval Mintz } 24170b55e27dSYuval Mintz 24180b55e27dSYuval Mintz rc = qed_iov_vf_flr_cleanup(hwfn, ptt); 24190b55e27dSYuval Mintz if (rc) 24200b55e27dSYuval Mintz qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG); 24210b55e27dSYuval Mintz 24220b55e27dSYuval Mintz qed_ptt_release(hwfn, ptt); 24230b55e27dSYuval Mintz } 24240b55e27dSYuval Mintz 242537bff2b9SYuval Mintz if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags)) 242637bff2b9SYuval Mintz qed_handle_vf_msg(hwfn); 242737bff2b9SYuval Mintz } 242837bff2b9SYuval Mintz 242937bff2b9SYuval Mintz void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first) 243037bff2b9SYuval Mintz { 243137bff2b9SYuval Mintz int i; 243237bff2b9SYuval Mintz 243337bff2b9SYuval Mintz for_each_hwfn(cdev, i) { 243437bff2b9SYuval Mintz if (!cdev->hwfns[i].iov_wq) 243537bff2b9SYuval Mintz continue; 243637bff2b9SYuval Mintz 243737bff2b9SYuval Mintz if (schedule_first) { 243837bff2b9SYuval Mintz qed_schedule_iov(&cdev->hwfns[i], 243937bff2b9SYuval Mintz QED_IOV_WQ_STOP_WQ_FLAG); 244037bff2b9SYuval Mintz cancel_delayed_work_sync(&cdev->hwfns[i].iov_task); 244137bff2b9SYuval Mintz } 244237bff2b9SYuval Mintz 244337bff2b9SYuval Mintz flush_workqueue(cdev->hwfns[i].iov_wq); 244437bff2b9SYuval Mintz destroy_workqueue(cdev->hwfns[i].iov_wq); 244537bff2b9SYuval Mintz } 244637bff2b9SYuval Mintz } 244737bff2b9SYuval Mintz 244837bff2b9SYuval Mintz int qed_iov_wq_start(struct qed_dev *cdev) 244937bff2b9SYuval Mintz { 245037bff2b9SYuval Mintz char name[NAME_SIZE]; 245137bff2b9SYuval Mintz int i; 245237bff2b9SYuval Mintz 245337bff2b9SYuval Mintz for_each_hwfn(cdev, i) { 245437bff2b9SYuval Mintz struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 245537bff2b9SYuval Mintz 245637bff2b9SYuval Mintz /* PFs needs a dedicated workqueue only if they support IOV. */ 245737bff2b9SYuval Mintz if (!IS_PF_SRIOV(p_hwfn)) 245837bff2b9SYuval Mintz continue; 245937bff2b9SYuval Mintz 246037bff2b9SYuval Mintz snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x", 246137bff2b9SYuval Mintz cdev->pdev->bus->number, 246237bff2b9SYuval Mintz PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id); 246337bff2b9SYuval Mintz 246437bff2b9SYuval Mintz p_hwfn->iov_wq = create_singlethread_workqueue(name); 246537bff2b9SYuval Mintz if (!p_hwfn->iov_wq) { 246637bff2b9SYuval Mintz DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n"); 246737bff2b9SYuval Mintz return -ENOMEM; 246837bff2b9SYuval Mintz } 246937bff2b9SYuval Mintz 247037bff2b9SYuval Mintz INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task); 247137bff2b9SYuval Mintz } 247237bff2b9SYuval Mintz 247337bff2b9SYuval Mintz return 0; 247437bff2b9SYuval Mintz } 24750b55e27dSYuval Mintz 24760b55e27dSYuval Mintz const struct qed_iov_hv_ops qed_iov_ops_pass = { 24770b55e27dSYuval Mintz .configure = &qed_sriov_configure, 24780b55e27dSYuval Mintz }; 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