diff options
Diffstat (limited to 'drivers/net/qede/base/ecore_sriov.c')
| -rw-r--r-- | drivers/net/qede/base/ecore_sriov.c | 3422 |
1 files changed, 3422 insertions, 0 deletions
diff --git a/drivers/net/qede/base/ecore_sriov.c b/drivers/net/qede/base/ecore_sriov.c new file mode 100644 index 00000000..1b3119d2 --- /dev/null +++ b/drivers/net/qede/base/ecore_sriov.c @@ -0,0 +1,3422 @@ +/* + * Copyright (c) 2016 QLogic Corporation. + * All rights reserved. + * www.qlogic.com + * + * See LICENSE.qede_pmd for copyright and licensing details. + */ + +#include "bcm_osal.h" +#include "ecore.h" +#include "reg_addr.h" +#include "ecore_sriov.h" +#include "ecore_status.h" +#include "ecore_hw.h" +#include "ecore_hw_defs.h" +#include "ecore_int.h" +#include "ecore_hsi_eth.h" +#include "ecore_l2.h" +#include "ecore_vfpf_if.h" +#include "ecore_rt_defs.h" +#include "ecore_init_ops.h" +#include "ecore_gtt_reg_addr.h" +#include "ecore_iro.h" +#include "ecore_mcp.h" +#include "ecore_cxt.h" +#include "ecore_vf.h" +#include "ecore_init_fw_funcs.h" + +/* TEMPORARY until we implement print_enums... */ +const char *ecore_channel_tlvs_string[] = { + "CHANNEL_TLV_NONE", /* ends tlv sequence */ + "CHANNEL_TLV_ACQUIRE", + "CHANNEL_TLV_VPORT_START", + "CHANNEL_TLV_VPORT_UPDATE", + "CHANNEL_TLV_VPORT_TEARDOWN", + "CHANNEL_TLV_START_RXQ", + "CHANNEL_TLV_START_TXQ", + "CHANNEL_TLV_STOP_RXQ", + "CHANNEL_TLV_STOP_TXQ", + "CHANNEL_TLV_UPDATE_RXQ", + "CHANNEL_TLV_INT_CLEANUP", + "CHANNEL_TLV_CLOSE", + "CHANNEL_TLV_RELEASE", + "CHANNEL_TLV_LIST_END", + "CHANNEL_TLV_UCAST_FILTER", + "CHANNEL_TLV_VPORT_UPDATE_ACTIVATE", + "CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH", + "CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP", + "CHANNEL_TLV_VPORT_UPDATE_MCAST", + "CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM", + "CHANNEL_TLV_VPORT_UPDATE_RSS", + "CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN", + "CHANNEL_TLV_VPORT_UPDATE_SGE_TPA", + "CHANNEL_TLV_MAX" +}; + +/* TODO - this is linux crc32; Need a way to ifdef it out for linux */ +u32 ecore_crc32(u32 crc, u8 *ptr, u32 length) +{ + int i; + + while (length--) { + crc ^= *ptr++; + for (i = 0; i < 8; i++) + crc = (crc >> 1) ^ ((crc & 1) ? 0xedb88320 : 0); + } + return crc; +} + +enum _ecore_status_t ecore_iov_post_vf_bulletin(struct ecore_hwfn *p_hwfn, + int vfid, + struct ecore_ptt *p_ptt) +{ + struct ecore_bulletin_content *p_bulletin; + struct ecore_dmae_params params; + struct ecore_vf_info *p_vf; + int crc_size = sizeof(p_bulletin->crc); + + p_vf = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!p_vf) + return ECORE_INVAL; + + /* TODO - check VF is in a state where it can accept message */ + if (!p_vf->vf_bulletin) + return ECORE_INVAL; + + p_bulletin = p_vf->bulletin.p_virt; + + /* Increment bulletin board version and compute crc */ + p_bulletin->version++; + p_bulletin->crc = ecore_crc32(0, (u8 *)p_bulletin + crc_size, + p_vf->bulletin.size - crc_size); + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n", + p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc); + + /* propagate bulletin board via dmae to vm memory */ + OSAL_MEMSET(¶ms, 0, sizeof(params)); + params.flags = ECORE_DMAE_FLAG_VF_DST; + params.dst_vfid = p_vf->abs_vf_id; + return ecore_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys, + p_vf->vf_bulletin, p_vf->bulletin.size / 4, + ¶ms); +} + +static enum _ecore_status_t ecore_iov_pci_cfg_info(struct ecore_dev *p_dev) +{ + struct ecore_hw_sriov_info *iov = &p_dev->sriov_info; + int pos = iov->pos; + + DP_VERBOSE(p_dev, ECORE_MSG_IOV, "sriov ext pos %d\n", pos); + OSAL_PCI_READ_CONFIG_WORD(p_dev, pos + PCI_SRIOV_CTRL, &iov->ctrl); + + OSAL_PCI_READ_CONFIG_WORD(p_dev, + pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs); + OSAL_PCI_READ_CONFIG_WORD(p_dev, + pos + PCI_SRIOV_INITIAL_VF, + &iov->initial_vfs); + + OSAL_PCI_READ_CONFIG_WORD(p_dev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs); + if (iov->num_vfs) { + /* @@@TODO - in future we might want to add an OSAL here to + * allow each OS to decide on its own how to act. + */ + DP_VERBOSE(p_dev, ECORE_MSG_IOV, + "Number of VFs are already set to non-zero value." + " Ignoring PCI configuration value\n"); + iov->num_vfs = 0; + } + + OSAL_PCI_READ_CONFIG_WORD(p_dev, + pos + PCI_SRIOV_VF_OFFSET, &iov->offset); + + OSAL_PCI_READ_CONFIG_WORD(p_dev, + pos + PCI_SRIOV_VF_STRIDE, &iov->stride); + + OSAL_PCI_READ_CONFIG_WORD(p_dev, + pos + PCI_SRIOV_VF_DID, &iov->vf_device_id); + + OSAL_PCI_READ_CONFIG_DWORD(p_dev, + pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz); + + OSAL_PCI_READ_CONFIG_DWORD(p_dev, pos + PCI_SRIOV_CAP, &iov->cap); + + OSAL_PCI_READ_CONFIG_BYTE(p_dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link); + + DP_VERBOSE(p_dev, ECORE_MSG_IOV, "IOV info[%d]: nres %d, cap 0x%x," + "ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d," + " stride %d, page size 0x%x\n", 0, + iov->nres, iov->cap, iov->ctrl, + iov->total_vfs, iov->initial_vfs, iov->nr_virtfn, + iov->offset, iov->stride, iov->pgsz); + + /* Some sanity checks */ + if (iov->num_vfs > NUM_OF_VFS(p_dev) || + iov->total_vfs > NUM_OF_VFS(p_dev)) { + /* This can happen only due to a bug. In this case we set + * num_vfs to zero to avoid memory corruption in the code that + * assumes max number of vfs + */ + DP_NOTICE(p_dev, false, + "IOV: Unexpected number of vfs set: %d" + " setting num_vf to zero\n", + iov->num_vfs); + + iov->num_vfs = 0; + iov->total_vfs = 0; + } + + return ECORE_SUCCESS; +} + +static void ecore_iov_clear_vf_igu_blocks(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt) +{ + struct ecore_igu_block *p_sb; + u16 sb_id; + u32 val; + + if (!p_hwfn->hw_info.p_igu_info) { + DP_ERR(p_hwfn, + "ecore_iov_clear_vf_igu_blocks IGU Info not inited\n"); + return; + } + + for (sb_id = 0; + sb_id < ECORE_MAPPING_MEMORY_SIZE(p_hwfn->p_dev); sb_id++) { + p_sb = &p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks[sb_id]; + if ((p_sb->status & ECORE_IGU_STATUS_FREE) && + !(p_sb->status & ECORE_IGU_STATUS_PF)) { + val = ecore_rd(p_hwfn, p_ptt, + IGU_REG_MAPPING_MEMORY + sb_id * 4); + SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0); + ecore_wr(p_hwfn, p_ptt, + IGU_REG_MAPPING_MEMORY + 4 * sb_id, val); + } + } +} + +static void ecore_iov_setup_vfdb(struct ecore_hwfn *p_hwfn) +{ + u16 num_vfs = p_hwfn->p_dev->sriov_info.total_vfs; + union pfvf_tlvs *p_reply_virt_addr; + union vfpf_tlvs *p_req_virt_addr; + struct ecore_bulletin_content *p_bulletin_virt; + struct ecore_pf_iov *p_iov_info; + dma_addr_t req_p, rply_p, bulletin_p; + u8 idx = 0; + + p_iov_info = p_hwfn->pf_iov_info; + + OSAL_MEMSET(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array)); + + p_req_virt_addr = p_iov_info->mbx_msg_virt_addr; + req_p = p_iov_info->mbx_msg_phys_addr; + p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr; + rply_p = p_iov_info->mbx_reply_phys_addr; + p_bulletin_virt = p_iov_info->p_bulletins; + bulletin_p = p_iov_info->bulletins_phys; + if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) { + DP_ERR(p_hwfn, + "ecore_iov_setup_vfdb called without alloc mem first\n"); + return; + } + + p_iov_info->base_vport_id = 1; /* @@@TBD resource allocation */ + + for (idx = 0; idx < num_vfs; idx++) { + struct ecore_vf_info *vf = &p_iov_info->vfs_array[idx]; + u32 concrete; + + vf->vf_mbx.req_virt = p_req_virt_addr + idx; + vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs); + vf->vf_mbx.reply_virt = p_reply_virt_addr + idx; + vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs); + +#ifdef CONFIG_ECORE_SW_CHANNEL + vf->vf_mbx.sw_mbx.request_size = sizeof(union vfpf_tlvs); + vf->vf_mbx.sw_mbx.mbx_state = VF_PF_WAIT_FOR_START_REQUEST; +#endif + vf->state = VF_STOPPED; + + vf->bulletin.phys = idx * + sizeof(struct ecore_bulletin_content) + bulletin_p; + vf->bulletin.p_virt = p_bulletin_virt + idx; + vf->bulletin.size = sizeof(struct ecore_bulletin_content); + + vf->relative_vf_id = idx; + vf->abs_vf_id = idx + p_hwfn->hw_info.first_vf_in_pf; + concrete = ecore_vfid_to_concrete(p_hwfn, vf->abs_vf_id); + vf->concrete_fid = concrete; + /* TODO - need to devise a better way of getting opaque */ + vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) | + (vf->abs_vf_id << 8); + /* @@TBD MichalK - add base vport_id of VFs to equation */ + vf->vport_id = p_iov_info->base_vport_id + idx; + } +} + +static enum _ecore_status_t ecore_iov_allocate_vfdb(struct ecore_hwfn *p_hwfn) +{ + struct ecore_pf_iov *p_iov_info = p_hwfn->pf_iov_info; + void **p_v_addr; + u16 num_vfs = 0; + + num_vfs = p_hwfn->p_dev->sriov_info.total_vfs; + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "ecore_iov_allocate_vfdb for %d VFs\n", num_vfs); + + /* Allocate PF Mailbox buffer (per-VF) */ + p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs; + p_v_addr = &p_iov_info->mbx_msg_virt_addr; + *p_v_addr = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, + &p_iov_info->mbx_msg_phys_addr, + p_iov_info->mbx_msg_size); + if (!*p_v_addr) + return ECORE_NOMEM; + + /* Allocate PF Mailbox Reply buffer (per-VF) */ + p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs; + p_v_addr = &p_iov_info->mbx_reply_virt_addr; + *p_v_addr = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, + &p_iov_info->mbx_reply_phys_addr, + p_iov_info->mbx_reply_size); + if (!*p_v_addr) + return ECORE_NOMEM; + + p_iov_info->bulletins_size = sizeof(struct ecore_bulletin_content) * + num_vfs; + p_v_addr = &p_iov_info->p_bulletins; + *p_v_addr = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, + &p_iov_info->bulletins_phys, + p_iov_info->bulletins_size); + if (!*p_v_addr) + return ECORE_NOMEM; + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "PF's Requests mailbox [%p virt 0x%" PRIx64 " phys], " + "Response mailbox [%p virt 0x%" PRIx64 " phys] Bulletins" + " [%p virt 0x%" PRIx64 " phys]\n", + p_iov_info->mbx_msg_virt_addr, + (u64)p_iov_info->mbx_msg_phys_addr, + p_iov_info->mbx_reply_virt_addr, + (u64)p_iov_info->mbx_reply_phys_addr, + p_iov_info->p_bulletins, (u64)p_iov_info->bulletins_phys); + + /* @@@TBD MichalK - statistics / RSS */ + + return ECORE_SUCCESS; +} + +static void ecore_iov_free_vfdb(struct ecore_hwfn *p_hwfn) +{ + struct ecore_pf_iov *p_iov_info = p_hwfn->pf_iov_info; + + if (p_hwfn->pf_iov_info->mbx_msg_virt_addr) + OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, + p_iov_info->mbx_msg_virt_addr, + p_iov_info->mbx_msg_phys_addr, + p_iov_info->mbx_msg_size); + + if (p_hwfn->pf_iov_info->mbx_reply_virt_addr) + OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, + p_iov_info->mbx_reply_virt_addr, + p_iov_info->mbx_reply_phys_addr, + p_iov_info->mbx_reply_size); + + if (p_iov_info->p_bulletins) + OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, + p_iov_info->p_bulletins, + p_iov_info->bulletins_phys, + p_iov_info->bulletins_size); + + /* @@@TBD MichalK - statistics / RSS */ +} + +enum _ecore_status_t ecore_iov_alloc(struct ecore_hwfn *p_hwfn) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + struct ecore_pf_iov *p_sriov; + + if (!IS_PF_SRIOV(p_hwfn)) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "No SR-IOV - no need for IOV db\n"); + return rc; + } + + p_sriov = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(*p_sriov)); + if (!p_sriov) { + DP_NOTICE(p_hwfn, true, + "Failed to allocate `struct ecore_sriov'"); + return ECORE_NOMEM; + } + + p_hwfn->pf_iov_info = p_sriov; + + rc = ecore_iov_allocate_vfdb(p_hwfn); + + return rc; +} + +void ecore_iov_setup(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt) +{ + if (!IS_PF_SRIOV(p_hwfn) || !p_hwfn->pf_iov_info) + return; + + ecore_iov_setup_vfdb(p_hwfn); + ecore_iov_clear_vf_igu_blocks(p_hwfn, p_ptt); +} + +void ecore_iov_free(struct ecore_hwfn *p_hwfn) +{ + if (p_hwfn->pf_iov_info) { + ecore_iov_free_vfdb(p_hwfn); + OSAL_FREE(p_hwfn->p_dev, p_hwfn->pf_iov_info); + } +} + +enum _ecore_status_t ecore_iov_hw_info(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt) +{ + enum _ecore_status_t rc; + + /* @@@ TBD get this information from shmem / pci cfg */ + if (IS_VF(p_hwfn->p_dev)) + return ECORE_SUCCESS; + + /* First hwfn should learn the PCI configuration */ + if (IS_LEAD_HWFN(p_hwfn)) { + struct ecore_dev *p_dev = p_hwfn->p_dev; + int *pos = &p_hwfn->p_dev->sriov_info.pos; + + *pos = OSAL_PCI_FIND_EXT_CAPABILITY(p_hwfn->p_dev, + PCI_EXT_CAP_ID_SRIOV); + if (!*pos) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "No PCIe IOV support\n"); + return ECORE_SUCCESS; + } + + rc = ecore_iov_pci_cfg_info(p_dev); + if (rc) + return rc; + } else if (!p_hwfn->p_dev->sriov_info.pos) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, "No PCIe IOV support\n"); + return ECORE_SUCCESS; + } + + /* Calculate the first VF index - this is a bit tricky; Basically, + * VFs start at offset 16 relative to PF0, and 2nd engine VFs begin + * after the first engine's VFs. + */ + p_hwfn->hw_info.first_vf_in_pf = p_hwfn->p_dev->sriov_info.offset + + p_hwfn->abs_pf_id - 16; + if (ECORE_PATH_ID(p_hwfn)) + p_hwfn->hw_info.first_vf_in_pf -= MAX_NUM_VFS_BB; + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "First VF in hwfn 0x%08x\n", p_hwfn->hw_info.first_vf_in_pf); + + return ECORE_SUCCESS; +} + +struct ecore_vf_info *ecore_iov_get_vf_info(struct ecore_hwfn *p_hwfn, + u16 relative_vf_id, + bool b_enabled_only) +{ + struct ecore_vf_info *vf = OSAL_NULL; + + if (!p_hwfn->pf_iov_info) { + DP_NOTICE(p_hwfn->p_dev, true, "No iov info\n"); + return OSAL_NULL; + } + + if (ecore_iov_is_valid_vfid(p_hwfn, relative_vf_id, b_enabled_only)) + vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id]; + else + DP_ERR(p_hwfn, "ecore_iov_get_vf_info: VF[%d] is not enabled\n", + relative_vf_id); + + return vf; +} + +void ecore_iov_set_vf_to_disable(struct ecore_hwfn *p_hwfn, + u16 rel_vf_id, u8 to_disable) +{ + struct ecore_vf_info *vf; + + vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, false); + if (!vf) + return; + + vf->to_disable = to_disable; +} + +void ecore_iov_set_vfs_to_disable(struct ecore_hwfn *p_hwfn, u8 to_disable) +{ + u16 i; + + for (i = 0; i < p_hwfn->p_dev->sriov_info.total_vfs; i++) + ecore_iov_set_vf_to_disable(p_hwfn, i, to_disable); +} + +#ifndef LINUX_REMOVE +/* @@@TBD Consider taking outside of ecore... */ +enum _ecore_status_t ecore_iov_set_vf_ctx(struct ecore_hwfn *p_hwfn, + u16 vf_id, void *ctx) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + struct ecore_vf_info *vf = ecore_iov_get_vf_info(p_hwfn, vf_id, true); + + if (vf != OSAL_NULL) { + vf->ctx = ctx; +#ifdef CONFIG_ECORE_SW_CHANNEL + vf->vf_mbx.sw_mbx.mbx_state = VF_PF_WAIT_FOR_START_REQUEST; +#endif + } else { + rc = ECORE_UNKNOWN_ERROR; + } + return rc; +} +#endif + +/** + * VF enable primitives + * + * when pretend is required the caller is reponsible + * for calling pretend prioir to calling these routines + */ + +/* clears vf error in all semi blocks + * Assumption: called under VF pretend... + */ +static OSAL_INLINE void ecore_iov_vf_semi_clear_err(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt) +{ + ecore_wr(p_hwfn, p_ptt, TSEM_REG_VF_ERROR, 1); + ecore_wr(p_hwfn, p_ptt, USEM_REG_VF_ERROR, 1); + ecore_wr(p_hwfn, p_ptt, MSEM_REG_VF_ERROR, 1); + ecore_wr(p_hwfn, p_ptt, XSEM_REG_VF_ERROR, 1); + ecore_wr(p_hwfn, p_ptt, YSEM_REG_VF_ERROR, 1); + ecore_wr(p_hwfn, p_ptt, PSEM_REG_VF_ERROR, 1); +} + +static void ecore_iov_vf_pglue_clear_err(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, u8 abs_vfid) +{ + ecore_wr(p_hwfn, p_ptt, + PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4, + 1 << (abs_vfid & 0x1f)); +} + +static void ecore_iov_vf_igu_reset(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + int i; + u16 igu_sb_id; + + /* Set VF masks and configuration - pretend */ + ecore_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid); + + ecore_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0); + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "value in VF_CONFIGURATION of vf %d after write %x\n", + vf->abs_vf_id, + ecore_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION)); + + /* unpretend */ + ecore_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid); + + /* iterate ove all queues, clear sb consumer */ + for (i = 0; i < vf->num_sbs; i++) { + igu_sb_id = vf->igu_sbs[i]; + /* Set then clear... */ + ecore_int_igu_cleanup_sb(p_hwfn, p_ptt, igu_sb_id, 1, + vf->opaque_fid); + ecore_int_igu_cleanup_sb(p_hwfn, p_ptt, igu_sb_id, 0, + vf->opaque_fid); + } +} + +static void ecore_iov_vf_igu_set_int(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf, bool enable) +{ + u32 igu_vf_conf; + + ecore_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid); + + igu_vf_conf = ecore_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION); + + if (enable) + igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN; + else + igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN; + + ecore_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf); + + /* unpretend */ + ecore_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid); +} + +static enum _ecore_status_t +ecore_iov_enable_vf_access(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, struct ecore_vf_info *vf) +{ + u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN; + enum _ecore_status_t rc; + + if (vf->to_disable) + return ECORE_SUCCESS; + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Enable internal access for vf %x [abs %x]\n", vf->abs_vf_id, + ECORE_VF_ABS_ID(p_hwfn, vf)); + + ecore_iov_vf_pglue_clear_err(p_hwfn, p_ptt, + ECORE_VF_ABS_ID(p_hwfn, vf)); + + rc = ecore_mcp_config_vf_msix(p_hwfn, p_ptt, + vf->abs_vf_id, vf->num_sbs); + if (rc) + return rc; + + ecore_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid); + + SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id); + STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf); + + ecore_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id, + p_hwfn->hw_info.hw_mode); + + /* unpretend */ + ecore_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid); + + if (vf->state != VF_STOPPED) { + DP_NOTICE(p_hwfn, true, "VF[%02x] is already started\n", + vf->abs_vf_id); + return ECORE_INVAL; + } + + /* Start VF */ + rc = ecore_sp_vf_start(p_hwfn, vf->concrete_fid, vf->opaque_fid); + if (rc != ECORE_SUCCESS) + DP_NOTICE(p_hwfn, true, "Failed to start VF[%02x]\n", + vf->abs_vf_id); + + vf->state = VF_FREE; + + return rc; +} + +/** + * + * @brief ecore_iov_config_perm_table - configure the permission + * zone table. + * In E4, queue zone permission table size is 320x9. There + * are 320 VF queues for single engine device (256 for dual + * engine device), and each entry has the following format: + * {Valid, VF[7:0]} + * @param p_hwfn + * @param p_ptt + * @param vf + * @param enable + */ +static void ecore_iov_config_perm_table(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf, u8 enable) +{ + u32 reg_addr; + u32 val; + u16 qzone_id = 0; + int qid; + + for (qid = 0; qid < vf->num_rxqs; qid++) { + ecore_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid, + &qzone_id); + + reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4; + val = enable ? (vf->abs_vf_id | (1 << 8)) : 0; + ecore_wr(p_hwfn, p_ptt, reg_addr, val); + } +} + +static void ecore_iov_enable_vf_traffic(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + /* Reset vf in IGU interrupts are still disabled */ + ecore_iov_vf_igu_reset(p_hwfn, p_ptt, vf); + + ecore_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1 /* enable */); + + /* Permission Table */ + ecore_iov_config_perm_table(p_hwfn, p_ptt, vf, true /* enable */); +} + +static u8 ecore_iov_alloc_vf_igu_sbs(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf, + u16 num_rx_queues) +{ + int igu_id = 0; + int qid = 0; + u32 val = 0; + struct ecore_igu_block *igu_blocks = + p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks; + + if (num_rx_queues > p_hwfn->hw_info.p_igu_info->free_blks) + num_rx_queues = p_hwfn->hw_info.p_igu_info->free_blks; + + p_hwfn->hw_info.p_igu_info->free_blks -= num_rx_queues; + + SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id); + SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1); + SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0); + + while ((qid < num_rx_queues) && + (igu_id < ECORE_MAPPING_MEMORY_SIZE(p_hwfn->p_dev))) { + if (igu_blocks[igu_id].status & ECORE_IGU_STATUS_FREE) { + struct cau_sb_entry sb_entry; + + vf->igu_sbs[qid] = (u16)igu_id; + igu_blocks[igu_id].status &= ~ECORE_IGU_STATUS_FREE; + + SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid); + + ecore_wr(p_hwfn, p_ptt, + IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id, + val); + + /* Configure igu sb in CAU which were marked valid */ + ecore_init_cau_sb_entry(p_hwfn, &sb_entry, + p_hwfn->rel_pf_id, + vf->abs_vf_id, 1); + ecore_dmae_host2grc(p_hwfn, p_ptt, + (u64)(osal_uintptr_t)&sb_entry, + CAU_REG_SB_VAR_MEMORY + + igu_id * sizeof(u64), 2, 0); + qid++; + } + igu_id++; + } + + vf->num_sbs = (u8)num_rx_queues; + + return vf->num_sbs; +} + +/** + * + * @brief The function invalidates all the VF entries, + * technically this isn't required, but added for + * cleaness and ease of debugging incase a VF attempts to + * produce an interrupt after it has been taken down. + * + * @param p_hwfn + * @param p_ptt + * @param vf + */ +static void ecore_iov_free_vf_igu_sbs(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + struct ecore_igu_info *p_info = p_hwfn->hw_info.p_igu_info; + int idx, igu_id; + u32 addr, val; + + /* Invalidate igu CAM lines and mark them as free */ + for (idx = 0; idx < vf->num_sbs; idx++) { + igu_id = vf->igu_sbs[idx]; + addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id; + + val = ecore_rd(p_hwfn, p_ptt, addr); + SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0); + ecore_wr(p_hwfn, p_ptt, addr, val); + + p_info->igu_map.igu_blocks[igu_id].status |= + ECORE_IGU_STATUS_FREE; + + p_hwfn->hw_info.p_igu_info->free_blks++; + } + + vf->num_sbs = 0; +} + +enum _ecore_status_t ecore_iov_init_hw_for_vf(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + u16 rel_vf_id, u16 num_rx_queues) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + struct ecore_vf_info *vf = OSAL_NULL; + u8 num_of_vf_available_chains = 0; + u32 cids; + u8 i; + + if (ECORE_IS_VF_ACTIVE(p_hwfn->p_dev, rel_vf_id)) { + DP_NOTICE(p_hwfn, true, "VF[%d] is already active.\n", + rel_vf_id); + return ECORE_INVAL; + } + + vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, false); + if (!vf) { + DP_ERR(p_hwfn, "ecore_iov_init_hw_for_vf : vf is OSAL_NULL\n"); + return ECORE_UNKNOWN_ERROR; + } + + /* Limit number of queues according to number of CIDs */ + ecore_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids); + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF[%d] - requesting to initialize for 0x%04x queues" + " [0x%04x CIDs available]\n", + vf->relative_vf_id, num_rx_queues, (u16)cids); + num_rx_queues = OSAL_MIN_T(u16, num_rx_queues, ((u16)cids)); + + num_of_vf_available_chains = ecore_iov_alloc_vf_igu_sbs(p_hwfn, + p_ptt, + vf, + num_rx_queues); + if (num_of_vf_available_chains == 0) { + DP_ERR(p_hwfn, "no available igu sbs\n"); + return ECORE_NOMEM; + } + + /* Choose queue number and index ranges */ + vf->num_rxqs = num_of_vf_available_chains; + vf->num_txqs = num_of_vf_available_chains; + + for (i = 0; i < vf->num_rxqs; i++) { + u16 queue_id = ecore_int_queue_id_from_sb_id(p_hwfn, + vf->igu_sbs[i]); + + if (queue_id > RESC_NUM(p_hwfn, ECORE_L2_QUEUE)) { + DP_NOTICE(p_hwfn, true, + "VF[%d] will require utilizing of" + " out-of-bounds queues - %04x\n", + vf->relative_vf_id, queue_id); + /* TODO - cleanup the already allocate SBs */ + return ECORE_INVAL; + } + + /* CIDs are per-VF, so no problem having them 0-based. */ + vf->vf_queues[i].fw_rx_qid = queue_id; + vf->vf_queues[i].fw_tx_qid = queue_id; + vf->vf_queues[i].fw_cid = i; + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF[%d] - [%d] SB %04x, Tx/Rx queue %04x CID %04x\n", + vf->relative_vf_id, i, vf->igu_sbs[i], queue_id, i); + } + + rc = ecore_iov_enable_vf_access(p_hwfn, p_ptt, vf); + + if (rc == ECORE_SUCCESS) { + struct ecore_hw_sriov_info *p_iov = &p_hwfn->p_dev->sriov_info; + u16 vf_id = vf->relative_vf_id; + + p_iov->num_vfs++; + p_iov->active_vfs[vf_id / 64] |= (1ULL << (vf_id % 64)); + } + + return rc; +} + +enum _ecore_status_t ecore_iov_release_hw_for_vf(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + u16 rel_vf_id) +{ + struct ecore_vf_info *vf = OSAL_NULL; + enum _ecore_status_t rc = ECORE_SUCCESS; + + vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!vf) { + DP_ERR(p_hwfn, "ecore_iov_release_hw_for_vf : vf is NULL\n"); + return ECORE_UNKNOWN_ERROR; + } + + if (vf->state != VF_STOPPED) { + /* Stopping the VF */ + rc = ecore_sp_vf_stop(p_hwfn, vf->concrete_fid, vf->opaque_fid); + + if (rc != ECORE_SUCCESS) { + DP_ERR(p_hwfn, "ecore_sp_vf_stop returned error %d\n", + rc); + return rc; + } + + vf->state = VF_STOPPED; + } + + /* disablng interrupts and resetting permission table was done during + * vf-close, however, we could get here without going through vf_close + */ + /* Disable Interrupts for VF */ + ecore_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0 /* disable */); + + /* Reset Permission table */ + ecore_iov_config_perm_table(p_hwfn, p_ptt, vf, 0 /* disable */); + + vf->num_rxqs = 0; + vf->num_txqs = 0; + ecore_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf); + + if (ECORE_IS_VF_ACTIVE(p_hwfn->p_dev, rel_vf_id)) { + struct ecore_hw_sriov_info *p_iov = &p_hwfn->p_dev->sriov_info; + u16 vf_id = vf->relative_vf_id; + + p_iov->num_vfs--; + p_iov->active_vfs[vf_id / 64] &= ~(1ULL << (vf_id % 64)); + } + + return ECORE_SUCCESS; +} + +static bool ecore_iov_tlv_supported(u16 tlvtype) +{ + return tlvtype > CHANNEL_TLV_NONE && tlvtype < CHANNEL_TLV_MAX; +} + +static void ecore_iov_lock_vf_pf_channel(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *vf, u16 tlv) +{ + /* we don't lock the channel for unsupported tlvs */ + if (!ecore_iov_tlv_supported(tlv)) + return; + + /* lock the channel */ + /* mutex_lock(&vf->op_mutex); @@@TBD MichalK - add lock... */ + + /* record the locking op */ + /* vf->op_current = tlv; @@@TBD MichalK */ + + /* log the lock */ + DP_VERBOSE(p_hwfn, + ECORE_MSG_IOV, + "VF[%d]: vf pf channel locked by %s\n", + vf->abs_vf_id, ecore_channel_tlvs_string[tlv]); +} + +static void ecore_iov_unlock_vf_pf_channel(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *vf, + u16 expected_tlv) +{ + /* we don't unlock the channel for unsupported tlvs */ + if (!ecore_iov_tlv_supported(expected_tlv)) + return; + + /* WARN(expected_tlv != vf->op_current, + * "lock mismatch: expected %s found %s", + * channel_tlvs_string[expected_tlv], + * channel_tlvs_string[vf->op_current]); + * @@@TBD MichalK + */ + + /* lock the channel */ + /* mutex_unlock(&vf->op_mutex); @@@TBD MichalK add the lock */ + + /* log the unlock */ + DP_VERBOSE(p_hwfn, + ECORE_MSG_IOV, + "VF[%d]: vf pf channel unlocked by %s\n", + vf->abs_vf_id, ecore_channel_tlvs_string[expected_tlv]); + + /* record the locking op */ + /* vf->op_current = CHANNEL_TLV_NONE; */ +} + +/* place a given tlv on the tlv buffer, continuing current tlv list */ +void *ecore_add_tlv(struct ecore_hwfn *p_hwfn, + u8 **offset, u16 type, u16 length) +{ + struct channel_tlv *tl = (struct channel_tlv *)*offset; + + tl->type = type; + tl->length = length; + + /* Offset should keep pointing to next TLV (the end of the last) */ + *offset += length; + + /* Return a pointer to the start of the added tlv */ + return *offset - length; +} + +/* list the types and lengths of the tlvs on the buffer */ +void ecore_dp_tlv_list(struct ecore_hwfn *p_hwfn, void *tlvs_list) +{ + u16 i = 1, total_length = 0; + struct channel_tlv *tlv; + + do { + /* cast current tlv list entry to channel tlv header */ + tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length); + + /* output tlv */ + if (ecore_iov_tlv_supported(tlv->type)) + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "TLV number %d: type %s, length %d\n", + i, ecore_channel_tlvs_string[tlv->type], + tlv->length); + else + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "TLV number %d: type %d, length %d\n", + i, tlv->type, tlv->length); + + if (tlv->type == CHANNEL_TLV_LIST_END) + return; + + /* Validate entry - protect against malicious VFs */ + if (!tlv->length) { + DP_NOTICE(p_hwfn, false, "TLV of length 0 found\n"); + return; + } + total_length += tlv->length; + if (total_length >= sizeof(struct tlv_buffer_size)) { + DP_NOTICE(p_hwfn, false, "TLV ==> Buffer overflow\n"); + return; + } + + i++; + } while (1); +} + +static void ecore_iov_send_response(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *p_vf, + u16 length, u8 status) +{ + struct ecore_iov_vf_mbx *mbx = &p_vf->vf_mbx; + struct ecore_dmae_params params; + u8 eng_vf_id; + + mbx->reply_virt->default_resp.hdr.status = status; + +#ifdef CONFIG_ECORE_SW_CHANNEL + mbx->sw_mbx.response_size = + length + sizeof(struct channel_list_end_tlv); +#endif + + ecore_dp_tlv_list(p_hwfn, mbx->reply_virt); + + if (!p_hwfn->p_dev->sriov_info.b_hw_channel) + return; + + eng_vf_id = p_vf->abs_vf_id; + + OSAL_MEMSET(¶ms, 0, sizeof(struct ecore_dmae_params)); + params.flags = ECORE_DMAE_FLAG_VF_DST; + params.dst_vfid = eng_vf_id; + + ecore_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64), + mbx->req_virt->first_tlv.reply_address + + sizeof(u64), + (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4, + ¶ms); + + ecore_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys, + mbx->req_virt->first_tlv.reply_address, + sizeof(u64) / 4, ¶ms); + + REG_WR(p_hwfn, + GTT_BAR0_MAP_REG_USDM_RAM + + USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1); +} + +static u16 ecore_iov_vport_to_tlv(struct ecore_hwfn *p_hwfn, + enum ecore_iov_vport_update_flag flag) +{ + switch (flag) { + case ECORE_IOV_VP_UPDATE_ACTIVATE: + return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; + case ECORE_IOV_VP_UPDATE_VLAN_STRIP: + return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP; + case ECORE_IOV_VP_UPDATE_TX_SWITCH: + return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH; + case ECORE_IOV_VP_UPDATE_MCAST: + return CHANNEL_TLV_VPORT_UPDATE_MCAST; + case ECORE_IOV_VP_UPDATE_ACCEPT_PARAM: + return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; + case ECORE_IOV_VP_UPDATE_RSS: + return CHANNEL_TLV_VPORT_UPDATE_RSS; + case ECORE_IOV_VP_UPDATE_ACCEPT_ANY_VLAN: + return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN; + case ECORE_IOV_VP_UPDATE_SGE_TPA: + return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA; + default: + return 0; + } +} + +static u16 ecore_iov_prep_vp_update_resp_tlvs(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf, + struct ecore_iov_vf_mbx *p_mbx, + u8 status, u16 tlvs_mask, + u16 tlvs_accepted) +{ + struct pfvf_def_resp_tlv *resp; + u16 size, total_len, i; + + OSAL_MEMSET(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs)); + p_mbx->offset = (u8 *)(p_mbx->reply_virt); + size = sizeof(struct pfvf_def_resp_tlv); + total_len = size; + + ecore_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size); + + /* Prepare response for all extended tlvs if they are found by PF */ + for (i = 0; i < ECORE_IOV_VP_UPDATE_MAX; i++) { + if (!(tlvs_mask & (1 << i))) + continue; + + resp = ecore_add_tlv(p_hwfn, &p_mbx->offset, + ecore_iov_vport_to_tlv(p_hwfn, i), size); + + if (tlvs_accepted & (1 << i)) + resp->hdr.status = status; + else + resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED; + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF[%d] - vport_update resp: TLV %d, status %02x\n", + p_vf->relative_vf_id, + ecore_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status); + + total_len += size; + } + + ecore_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END, + sizeof(struct channel_list_end_tlv)); + + return total_len; +} + +static void ecore_iov_prepare_resp(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf_info, + u16 type, u16 length, u8 status) +{ + struct ecore_iov_vf_mbx *mbx = &vf_info->vf_mbx; + + mbx->offset = (u8 *)(mbx->reply_virt); + + ecore_add_tlv(p_hwfn, &mbx->offset, type, length); + ecore_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END, + sizeof(struct channel_list_end_tlv)); + + ecore_iov_send_response(p_hwfn, p_ptt, vf_info, length, status); +} + +static void ecore_iov_vf_cleanup(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf) +{ + p_vf->vf_bulletin = 0; + p_vf->vport_instance = 0; + p_vf->num_mac_filters = 0; + p_vf->num_vlan_filters = 0; + p_vf->num_mc_filters = 0; + p_vf->configured_features = 0; + + /* If VF previously requested less resources, go back to default */ + p_vf->num_rxqs = p_vf->num_sbs; + p_vf->num_txqs = p_vf->num_sbs; + + p_vf->num_active_rxqs = 0; + + OSAL_MEMSET(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config)); + OSAL_IOV_VF_CLEANUP(p_hwfn, p_vf->relative_vf_id); +} + +static void ecore_iov_vf_mbx_acquire(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + struct ecore_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire; + struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp; + struct pf_vf_resc *resc = &resp->resc; + struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; + u16 length; + u8 i, vfpf_status = PFVF_STATUS_SUCCESS; + + /* Validate FW compatibility */ + if (req->vfdev_info.fw_major != FW_MAJOR_VERSION || + req->vfdev_info.fw_minor != FW_MINOR_VERSION || + req->vfdev_info.fw_revision != FW_REVISION_VERSION || + req->vfdev_info.fw_engineering != FW_ENGINEERING_VERSION) { + DP_INFO(p_hwfn, + "VF[%d] is running an incompatible driver [VF needs" + " FW %02x:%02x:%02x:%02x but Hypervisor is" + " using %02x:%02x:%02x:%02x]\n", + vf->abs_vf_id, req->vfdev_info.fw_major, + req->vfdev_info.fw_minor, req->vfdev_info.fw_revision, + req->vfdev_info.fw_engineering, FW_MAJOR_VERSION, + FW_MINOR_VERSION, FW_REVISION_VERSION, + FW_ENGINEERING_VERSION); + vfpf_status = PFVF_STATUS_NOT_SUPPORTED; + goto out; + } +#ifndef __EXTRACT__LINUX__ + if (OSAL_IOV_VF_ACQUIRE(p_hwfn, vf->relative_vf_id) != ECORE_SUCCESS) { + vfpf_status = PFVF_STATUS_NOT_SUPPORTED; + goto out; + } +#endif + + OSAL_MEMSET(resp, 0, sizeof(*resp)); + + /* Fill in vf info stuff : @@@TBD MichalK Hard Coded for now... */ + vf->opaque_fid = req->vfdev_info.opaque_fid; + vf->num_mac_filters = 1; + vf->num_vlan_filters = ECORE_ETH_VF_NUM_VLAN_FILTERS; + vf->num_mc_filters = ECORE_MAX_MC_ADDRS; + + vf->vf_bulletin = req->bulletin_addr; + vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ? + vf->bulletin.size : req->bulletin_size; + + /* fill in pfdev info */ + pfdev_info->chip_num = p_hwfn->p_dev->chip_num; + pfdev_info->db_size = 0; /* @@@ TBD MichalK Vf Doorbells */ + pfdev_info->indices_per_sb = PIS_PER_SB; + pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED; + + pfdev_info->stats_info.mstats.address = + PXP_VF_BAR0_START_MSDM_ZONE_B + + OFFSETOF(struct mstorm_vf_zone, non_trigger.eth_queue_stat); + pfdev_info->stats_info.mstats.len = + sizeof(struct eth_mstorm_per_queue_stat); + + pfdev_info->stats_info.ustats.address = + PXP_VF_BAR0_START_USDM_ZONE_B + + OFFSETOF(struct ustorm_vf_zone, non_trigger.eth_queue_stat); + pfdev_info->stats_info.ustats.len = + sizeof(struct eth_ustorm_per_queue_stat); + + pfdev_info->stats_info.pstats.address = + PXP_VF_BAR0_START_PSDM_ZONE_B + + OFFSETOF(struct pstorm_vf_zone, non_trigger.eth_queue_stat); + pfdev_info->stats_info.pstats.len = + sizeof(struct eth_pstorm_per_queue_stat); + + pfdev_info->stats_info.tstats.address = 0; + pfdev_info->stats_info.tstats.len = 0; + + OSAL_MEMCPY(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, + ETH_ALEN); + + pfdev_info->fw_major = FW_MAJOR_VERSION; + pfdev_info->fw_minor = FW_MINOR_VERSION; + pfdev_info->fw_rev = FW_REVISION_VERSION; + pfdev_info->fw_eng = FW_ENGINEERING_VERSION; + pfdev_info->os_type = OSAL_IOV_GET_OS_TYPE(); + ecore_mcp_get_mfw_ver(p_hwfn->p_dev, p_ptt, &pfdev_info->mfw_ver, + OSAL_NULL); + + pfdev_info->dev_type = p_hwfn->p_dev->type; + pfdev_info->chip_rev = p_hwfn->p_dev->chip_rev; + + /* Fill in resc : @@@TBD MichalK Hard Coded for now... */ + resc->num_rxqs = vf->num_rxqs; + resc->num_txqs = vf->num_txqs; + resc->num_sbs = vf->num_sbs; + for (i = 0; i < resc->num_sbs; i++) { + resc->hw_sbs[i].hw_sb_id = vf->igu_sbs[i]; + resc->hw_sbs[i].sb_qid = 0; + } + + for (i = 0; i < resc->num_rxqs; i++) { + ecore_fw_l2_queue(p_hwfn, vf->vf_queues[i].fw_rx_qid, + (u16 *)&resc->hw_qid[i]); + resc->cid[i] = vf->vf_queues[i].fw_cid; + } + + resc->num_mac_filters = OSAL_MIN_T(u8, vf->num_mac_filters, + req->resc_request.num_mac_filters); + resc->num_vlan_filters = OSAL_MIN_T(u8, vf->num_vlan_filters, + req->resc_request.num_vlan_filters); + resc->num_mc_filters = OSAL_MIN_T(u8, vf->num_mc_filters, + req->resc_request.num_mc_filters); + + /* Fill agreed size of bulletin board in response, and post + * an initial image to the bulletin board. + */ + resp->bulletin_size = vf->bulletin.size; + ecore_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt); + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x," + " db_size=%d, idx_per_sb=%d, pf_cap=0x%" PRIx64 "\n" + "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d," + " n_vlans-%d, n_mcs-%d\n", + vf->abs_vf_id, resp->pfdev_info.chip_num, + resp->pfdev_info.db_size, resp->pfdev_info.indices_per_sb, + resp->pfdev_info.capabilities, resc->num_rxqs, + resc->num_txqs, resc->num_sbs, resc->num_mac_filters, + resc->num_vlan_filters, resc->num_mc_filters); + + vf->state = VF_ACQUIRED; + + /* Prepare Response */ + length = sizeof(struct pfvf_acquire_resp_tlv); + +out: + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE, + length, vfpf_status); + + /* @@@TBD Bulletin */ +} + +static enum _ecore_status_t +__ecore_iov_spoofchk_set(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf, bool val) +{ + struct ecore_sp_vport_update_params params; + enum _ecore_status_t rc; + + if (val == p_vf->spoof_chk) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Spoofchk value[%d] is already configured\n", val); + return ECORE_SUCCESS; + } + + OSAL_MEMSET(¶ms, 0, sizeof(struct ecore_sp_vport_update_params)); + params.opaque_fid = p_vf->opaque_fid; + params.vport_id = p_vf->vport_id; + params.update_anti_spoofing_en_flg = 1; + params.anti_spoofing_en = val; + + rc = ecore_sp_vport_update(p_hwfn, ¶ms, ECORE_SPQ_MODE_EBLOCK, + OSAL_NULL); + if (rc == ECORE_SUCCESS) { + p_vf->spoof_chk = val; + p_vf->req_spoofchk_val = p_vf->spoof_chk; + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Spoofchk val[%d] configured\n", val); + } else { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Spoofchk configuration[val:%d] failed for VF[%d]\n", + val, p_vf->relative_vf_id); + } + + return rc; +} + +static enum _ecore_status_t +ecore_iov_reconfigure_unicast_vlan(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + struct ecore_filter_ucast filter; + int i; + + OSAL_MEMSET(&filter, 0, sizeof(filter)); + filter.is_rx_filter = 1; + filter.is_tx_filter = 1; + filter.vport_to_add_to = p_vf->vport_id; + filter.opcode = ECORE_FILTER_ADD; + + /* Reconfigure vlans */ + for (i = 0; i < ECORE_ETH_VF_NUM_VLAN_FILTERS + 1; i++) { + if (p_vf->shadow_config.vlans[i].used) { + filter.type = ECORE_FILTER_VLAN; + filter.vlan = p_vf->shadow_config.vlans[i].vid; + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Reconfig VLAN [0x%04x] for VF [%04x]\n", + filter.vlan, p_vf->relative_vf_id); + rc = ecore_sp_eth_filter_ucast(p_hwfn, + p_vf->opaque_fid, + &filter, + ECORE_SPQ_MODE_CB, + OSAL_NULL); + if (rc) { + DP_NOTICE(p_hwfn, true, + "Failed to configure VLAN [%04x]" + " to VF [%04x]\n", + filter.vlan, p_vf->relative_vf_id); + break; + } + } + } + + return rc; +} + +static enum _ecore_status_t +ecore_iov_reconfigure_unicast_shadow(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf, u64 events) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + + /*TODO - what about MACs? */ + + if ((events & (1 << VLAN_ADDR_FORCED)) && + !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED))) + rc = ecore_iov_reconfigure_unicast_vlan(p_hwfn, p_vf); + + return rc; +} + +static int ecore_iov_configure_vport_forced(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf, + u64 events) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + struct ecore_filter_ucast filter; + + if (!p_vf->vport_instance) + return ECORE_INVAL; + + if (events & (1 << MAC_ADDR_FORCED)) { + /* Since there's no way [currently] of removing the MAC, + * we can always assume this means we need to force it. + */ + OSAL_MEMSET(&filter, 0, sizeof(filter)); + filter.type = ECORE_FILTER_MAC; + filter.opcode = ECORE_FILTER_REPLACE; + filter.is_rx_filter = 1; + filter.is_tx_filter = 1; + filter.vport_to_add_to = p_vf->vport_id; + OSAL_MEMCPY(filter.mac, p_vf->bulletin.p_virt->mac, ETH_ALEN); + + rc = ecore_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid, + &filter, + ECORE_SPQ_MODE_CB, OSAL_NULL); + if (rc) { + DP_NOTICE(p_hwfn, true, + "PF failed to configure MAC for VF\n"); + return rc; + } + + p_vf->configured_features |= 1 << MAC_ADDR_FORCED; + } + + if (events & (1 << VLAN_ADDR_FORCED)) { + struct ecore_sp_vport_update_params vport_update; + u8 removal; + int i; + + OSAL_MEMSET(&filter, 0, sizeof(filter)); + filter.type = ECORE_FILTER_VLAN; + filter.is_rx_filter = 1; + filter.is_tx_filter = 1; + filter.vport_to_add_to = p_vf->vport_id; + filter.vlan = p_vf->bulletin.p_virt->pvid; + filter.opcode = filter.vlan ? ECORE_FILTER_REPLACE : + ECORE_FILTER_FLUSH; + + /* Send the ramrod */ + rc = ecore_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid, + &filter, + ECORE_SPQ_MODE_CB, OSAL_NULL); + if (rc) { + DP_NOTICE(p_hwfn, true, + "PF failed to configure VLAN for VF\n"); + return rc; + } + + /* Update the default-vlan & silent vlan stripping */ + OSAL_MEMSET(&vport_update, 0, sizeof(vport_update)); + vport_update.opaque_fid = p_vf->opaque_fid; + vport_update.vport_id = p_vf->vport_id; + vport_update.update_default_vlan_enable_flg = 1; + vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0; + vport_update.update_default_vlan_flg = 1; + vport_update.default_vlan = filter.vlan; + + vport_update.update_inner_vlan_removal_flg = 1; + removal = filter.vlan ? + 1 : p_vf->shadow_config.inner_vlan_removal; + vport_update.inner_vlan_removal_flg = removal; + vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0; + rc = ecore_sp_vport_update(p_hwfn, &vport_update, + ECORE_SPQ_MODE_EBLOCK, OSAL_NULL); + if (rc) { + DP_NOTICE(p_hwfn, true, + "PF failed to configure VF vport for vlan\n"); + return rc; + } + + /* Update all the Rx queues */ + for (i = 0; i < ECORE_MAX_VF_CHAINS_PER_PF; i++) { + u16 qid; + + if (!p_vf->vf_queues[i].rxq_active) + continue; + + qid = p_vf->vf_queues[i].fw_rx_qid; + + rc = ecore_sp_eth_rx_queues_update(p_hwfn, qid, + 1, 0, 1, + ECORE_SPQ_MODE_EBLOCK, + OSAL_NULL); + if (rc) { + DP_NOTICE(p_hwfn, true, + "Failed to send Rx update" + " queue[0x%04x]\n", + qid); + return rc; + } + } + + if (filter.vlan) + p_vf->configured_features |= 1 << VLAN_ADDR_FORCED; + else + p_vf->configured_features &= ~(1 << VLAN_ADDR_FORCED); + } + + /* If forced features are terminated, we need to configure the shadow + * configuration back again. + */ + if (events) + ecore_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events); + + return rc; +} + +static void ecore_iov_vf_mbx_start_vport(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + struct ecore_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_vport_start_tlv *start = &mbx->req_virt->start_vport; + struct ecore_sp_vport_start_params params = { 0 }; + u8 status = PFVF_STATUS_SUCCESS; + struct ecore_vf_info *vf_info; + enum _ecore_status_t rc; + u64 *p_bitmap; + int sb_id; + + vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vf->relative_vf_id, true); + if (!vf_info) { + DP_NOTICE(p_hwfn->p_dev, true, + "Failed to get VF info, invalid vfid [%d]\n", + vf->relative_vf_id); + return; + } + + vf->state = VF_ENABLED; + + /* Initialize Status block in CAU */ + for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) { + if (!start->sb_addr[sb_id]) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF[%d] did not fill the address of SB %d\n", + vf->relative_vf_id, sb_id); + break; + } + + ecore_int_cau_conf_sb(p_hwfn, p_ptt, + start->sb_addr[sb_id], + vf->igu_sbs[sb_id], + vf->abs_vf_id, 1 /* VF Valid */); + } + ecore_iov_enable_vf_traffic(p_hwfn, p_ptt, vf); + + vf->mtu = start->mtu; + vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal; + + /* Take into consideration configuration forced by hypervisor; + * If none is configured, use the supplied VF values [for old + * vfs that would still be fine, since they passed '0' as padding]. + */ + p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap; + if (!(*p_bitmap & (1 << VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) { + u8 vf_req = start->only_untagged; + + vf_info->bulletin.p_virt->default_only_untagged = vf_req; + *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT; + } + + params.tpa_mode = start->tpa_mode; + params.remove_inner_vlan = start->inner_vlan_removal; + params.tx_switching = true; + +#ifndef ASIC_ONLY + if (CHIP_REV_IS_FPGA(p_hwfn->p_dev)) { + DP_NOTICE(p_hwfn, false, + "FPGA: Don't confi VF for Tx-switching [no pVFC]\n"); + params.tx_switching = false; + } +#endif + + params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged; + params.drop_ttl0 = false; + params.concrete_fid = vf->concrete_fid; + params.opaque_fid = vf->opaque_fid; + params.vport_id = vf->vport_id; + params.max_buffers_per_cqe = start->max_buffers_per_cqe; + params.mtu = vf->mtu; + + rc = ecore_sp_eth_vport_start(p_hwfn, ¶ms); + if (rc != ECORE_SUCCESS) { + DP_ERR(p_hwfn, + "ecore_iov_vf_mbx_start_vport returned error %d\n", rc); + status = PFVF_STATUS_FAILURE; + } else { + vf->vport_instance++; + + /* Force configuration if needed on the newly opened vport */ + ecore_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap); + OSAL_IOV_POST_START_VPORT(p_hwfn, vf->relative_vf_id, + vf->vport_id, vf->opaque_fid); + __ecore_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val); + } + + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START, + sizeof(struct pfvf_def_resp_tlv), status); +} + +static void ecore_iov_vf_mbx_stop_vport(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + u8 status = PFVF_STATUS_SUCCESS; + enum _ecore_status_t rc; + + vf->vport_instance--; + vf->spoof_chk = false; + + rc = ecore_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id); + if (rc != ECORE_SUCCESS) { + DP_ERR(p_hwfn, + "ecore_iov_vf_mbx_stop_vport returned error %d\n", rc); + status = PFVF_STATUS_FAILURE; + } + + /* Forget the configuration on the vport */ + vf->configured_features = 0; + OSAL_MEMSET(&vf->shadow_config, 0, sizeof(vf->shadow_config)); + + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN, + sizeof(struct pfvf_def_resp_tlv), status); +} + +static void ecore_iov_vf_mbx_start_rxq(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + struct ecore_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_start_rxq_tlv *req = &mbx->req_virt->start_rxq; + u16 length = sizeof(struct pfvf_def_resp_tlv); + u8 status = PFVF_STATUS_SUCCESS; + enum _ecore_status_t rc; + + rc = ecore_sp_eth_rxq_start_ramrod(p_hwfn, vf->opaque_fid, + vf->vf_queues[req->rx_qid].fw_cid, + vf->vf_queues[req->rx_qid].fw_rx_qid, + vf->vport_id, + vf->abs_vf_id + 0x10, + req->hw_sb, + req->sb_index, + req->bd_max_bytes, + req->rxq_addr, + req->cqe_pbl_addr, + req->cqe_pbl_size); + + if (rc) { + status = PFVF_STATUS_FAILURE; + } else { + vf->vf_queues[req->rx_qid].rxq_active = true; + vf->num_active_rxqs++; + } + + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_START_RXQ, + length, status); +} + +static void ecore_iov_vf_mbx_start_txq(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + struct ecore_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_start_txq_tlv *req = &mbx->req_virt->start_txq; + u16 length = sizeof(struct pfvf_def_resp_tlv); + union ecore_qm_pq_params pq_params; + u8 status = PFVF_STATUS_SUCCESS; + enum _ecore_status_t rc; + + /* Prepare the parameters which would choose the right PQ */ + OSAL_MEMSET(&pq_params, 0, sizeof(pq_params)); + pq_params.eth.is_vf = 1; + pq_params.eth.vf_id = vf->relative_vf_id; + + rc = ecore_sp_eth_txq_start_ramrod(p_hwfn, + vf->opaque_fid, + vf->vf_queues[req->tx_qid].fw_tx_qid, + vf->vf_queues[req->tx_qid].fw_cid, + vf->vport_id, + vf->abs_vf_id + 0x10, + req->hw_sb, + req->sb_index, + req->pbl_addr, + req->pbl_size, &pq_params); + + if (rc) + status = PFVF_STATUS_FAILURE; + else + vf->vf_queues[req->tx_qid].txq_active = true; + + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_START_TXQ, + length, status); +} + +static enum _ecore_status_t ecore_iov_vf_stop_rxqs(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *vf, + u16 rxq_id, + u8 num_rxqs, + bool cqe_completion) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + int qid; + + if (rxq_id + num_rxqs > OSAL_ARRAY_SIZE(vf->vf_queues)) + return ECORE_INVAL; + + for (qid = rxq_id; qid < rxq_id + num_rxqs; qid++) { + if (vf->vf_queues[qid].rxq_active) { + rc = ecore_sp_eth_rx_queue_stop(p_hwfn, + vf->vf_queues[qid]. + fw_rx_qid, false, + cqe_completion); + + if (rc) + return rc; + } + vf->vf_queues[qid].rxq_active = false; + vf->num_active_rxqs--; + } + + return rc; +} + +static enum _ecore_status_t ecore_iov_vf_stop_txqs(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *vf, + u16 txq_id, u8 num_txqs) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + int qid; + + if (txq_id + num_txqs > OSAL_ARRAY_SIZE(vf->vf_queues)) + return ECORE_INVAL; + + for (qid = txq_id; qid < txq_id + num_txqs; qid++) { + if (vf->vf_queues[qid].txq_active) { + rc = ecore_sp_eth_tx_queue_stop(p_hwfn, + vf->vf_queues[qid]. + fw_tx_qid); + + if (rc) + return rc; + } + vf->vf_queues[qid].txq_active = false; + } + return rc; +} + +static void ecore_iov_vf_mbx_stop_rxqs(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + struct ecore_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_stop_rxqs_tlv *req = &mbx->req_virt->stop_rxqs; + u16 length = sizeof(struct pfvf_def_resp_tlv); + u8 status = PFVF_STATUS_SUCCESS; + enum _ecore_status_t rc; + + /* We give the option of starting from qid != 0, in this case we + * need to make sure that qid + num_qs doesn't exceed the actual + * amount of queues that exist. + */ + rc = ecore_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid, + req->num_rxqs, req->cqe_completion); + if (rc) + status = PFVF_STATUS_FAILURE; + + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS, + length, status); +} + +static void ecore_iov_vf_mbx_stop_txqs(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + struct ecore_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_stop_txqs_tlv *req = &mbx->req_virt->stop_txqs; + u16 length = sizeof(struct pfvf_def_resp_tlv); + u8 status = PFVF_STATUS_SUCCESS; + enum _ecore_status_t rc; + + /* We give the option of starting from qid != 0, in this case we + * need to make sure that qid + num_qs doesn't exceed the actual + * amount of queues that exist. + */ + rc = ecore_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, req->num_txqs); + if (rc) + status = PFVF_STATUS_FAILURE; + + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS, + length, status); +} + +static void ecore_iov_vf_mbx_update_rxqs(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + struct ecore_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_update_rxq_tlv *req = &mbx->req_virt->update_rxq; + u16 length = sizeof(struct pfvf_def_resp_tlv); + u8 status = PFVF_STATUS_SUCCESS; + u8 complete_event_flg; + u8 complete_cqe_flg; + enum _ecore_status_t rc; + u16 qid; + u8 i; + + complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG); + complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG); + + for (i = 0; i < req->num_rxqs; i++) { + qid = req->rx_qid + i; + + if (!vf->vf_queues[qid].rxq_active) { + DP_NOTICE(p_hwfn, true, + "VF rx_qid = %d isn`t active!\n", qid); + status = PFVF_STATUS_FAILURE; + break; + } + + rc = ecore_sp_eth_rx_queues_update(p_hwfn, + vf->vf_queues[qid].fw_rx_qid, + 1, + complete_cqe_flg, + complete_event_flg, + ECORE_SPQ_MODE_EBLOCK, + OSAL_NULL); + + if (rc) { + status = PFVF_STATUS_FAILURE; + break; + } + } + + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ, + length, status); +} + +void *ecore_iov_search_list_tlvs(struct ecore_hwfn *p_hwfn, + void *p_tlvs_list, u16 req_type) +{ + struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list; + int len = 0; + + do { + if (!p_tlv->length) { + DP_NOTICE(p_hwfn, true, "Zero length TLV found\n"); + return OSAL_NULL; + } + + if (p_tlv->type == req_type) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Extended tlv type %s, length %d found\n", + ecore_channel_tlvs_string[p_tlv->type], + p_tlv->length); + return p_tlv; + } + + len += p_tlv->length; + p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length); + + if ((len + p_tlv->length) > TLV_BUFFER_SIZE) { + DP_NOTICE(p_hwfn, true, + "TLVs has overrun the buffer size\n"); + return OSAL_NULL; + } + } while (p_tlv->type != CHANNEL_TLV_LIST_END); + + return OSAL_NULL; +} + +static void +ecore_iov_vp_update_act_param(struct ecore_hwfn *p_hwfn, + struct ecore_sp_vport_update_params *p_data, + struct ecore_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_activate_tlv *p_act_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE; + + p_act_tlv = (struct vfpf_vport_update_activate_tlv *) + ecore_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + if (p_act_tlv) { + p_data->update_vport_active_rx_flg = p_act_tlv->update_rx; + p_data->vport_active_rx_flg = p_act_tlv->active_rx; + p_data->update_vport_active_tx_flg = p_act_tlv->update_tx; + p_data->vport_active_tx_flg = p_act_tlv->active_tx; + *tlvs_mask |= 1 << ECORE_IOV_VP_UPDATE_ACTIVATE; + } +} + +static void +ecore_iov_vp_update_vlan_param(struct ecore_hwfn *p_hwfn, + struct ecore_sp_vport_update_params *p_data, + struct ecore_vf_info *p_vf, + struct ecore_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP; + + p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *) + ecore_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + if (!p_vlan_tlv) + return; + + p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan; + + /* Ignore the VF request if we're forcing a vlan */ + if (!(p_vf->configured_features & (1 << VLAN_ADDR_FORCED))) { + p_data->update_inner_vlan_removal_flg = 1; + p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan; + } + + *tlvs_mask |= 1 << ECORE_IOV_VP_UPDATE_VLAN_STRIP; +} + +static void +ecore_iov_vp_update_tx_switch(struct ecore_hwfn *p_hwfn, + struct ecore_sp_vport_update_params *p_data, + struct ecore_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH; + + p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *) + ecore_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + +#ifndef ASIC_ONLY + if (CHIP_REV_IS_FPGA(p_hwfn->p_dev)) { + DP_NOTICE(p_hwfn, false, + "FPGA: Ignore tx-switching configuration originating from VFs\n"); + return; + } +#endif + + if (p_tx_switch_tlv) { + p_data->update_tx_switching_flg = 1; + p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching; + *tlvs_mask |= 1 << ECORE_IOV_VP_UPDATE_TX_SWITCH; + } +} + +static void +ecore_iov_vp_update_mcast_bin_param(struct ecore_hwfn *p_hwfn, + struct ecore_sp_vport_update_params *p_data, + struct ecore_iov_vf_mbx *p_mbx, + u16 *tlvs_mask) +{ + struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST; + + p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *) + ecore_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + + if (p_mcast_tlv) { + p_data->update_approx_mcast_flg = 1; + OSAL_MEMCPY(p_data->bins, p_mcast_tlv->bins, + sizeof(unsigned long) * + ETH_MULTICAST_MAC_BINS_IN_REGS); + *tlvs_mask |= 1 << ECORE_IOV_VP_UPDATE_MCAST; + } +} + +static void +ecore_iov_vp_update_accept_flag(struct ecore_hwfn *p_hwfn, + struct ecore_sp_vport_update_params *p_data, + struct ecore_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_accept_param_tlv *p_accept_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM; + + p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *) + ecore_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + + if (p_accept_tlv) { + p_data->accept_flags.update_rx_mode_config = + p_accept_tlv->update_rx_mode; + p_data->accept_flags.rx_accept_filter = + p_accept_tlv->rx_accept_filter; + p_data->accept_flags.update_tx_mode_config = + p_accept_tlv->update_tx_mode; + p_data->accept_flags.tx_accept_filter = + p_accept_tlv->tx_accept_filter; + *tlvs_mask |= 1 << ECORE_IOV_VP_UPDATE_ACCEPT_PARAM; + } +} + +static void +ecore_iov_vp_update_accept_any_vlan(struct ecore_hwfn *p_hwfn, + struct ecore_sp_vport_update_params *p_data, + struct ecore_iov_vf_mbx *p_mbx, + u16 *tlvs_mask) +{ + struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN; + + p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *) + ecore_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + + if (p_accept_any_vlan) { + p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan; + p_data->update_accept_any_vlan_flg = + p_accept_any_vlan->update_accept_any_vlan_flg; + *tlvs_mask |= 1 << ECORE_IOV_VP_UPDATE_ACCEPT_ANY_VLAN; + } +} + +static void +ecore_iov_vp_update_rss_param(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *vf, + struct ecore_sp_vport_update_params *p_data, + struct ecore_rss_params *p_rss, + struct ecore_iov_vf_mbx *p_mbx, u16 *tlvs_mask) +{ + struct vfpf_vport_update_rss_tlv *p_rss_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS; + u16 table_size; + u16 i, q_idx, max_q_idx; + + p_rss_tlv = (struct vfpf_vport_update_rss_tlv *) + ecore_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + if (p_rss_tlv) { + OSAL_MEMSET(p_rss, 0, sizeof(struct ecore_rss_params)); + + p_rss->update_rss_config = + !!(p_rss_tlv->update_rss_flags & + VFPF_UPDATE_RSS_CONFIG_FLAG); + p_rss->update_rss_capabilities = + !!(p_rss_tlv->update_rss_flags & + VFPF_UPDATE_RSS_CAPS_FLAG); + p_rss->update_rss_ind_table = + !!(p_rss_tlv->update_rss_flags & + VFPF_UPDATE_RSS_IND_TABLE_FLAG); + p_rss->update_rss_key = + !!(p_rss_tlv->update_rss_flags & VFPF_UPDATE_RSS_KEY_FLAG); + + p_rss->rss_enable = p_rss_tlv->rss_enable; + p_rss->rss_eng_id = vf->relative_vf_id + 1; + p_rss->rss_caps = p_rss_tlv->rss_caps; + p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log; + OSAL_MEMCPY(p_rss->rss_ind_table, p_rss_tlv->rss_ind_table, + sizeof(p_rss->rss_ind_table)); + OSAL_MEMCPY(p_rss->rss_key, p_rss_tlv->rss_key, + sizeof(p_rss->rss_key)); + + table_size = OSAL_MIN_T(u16, + OSAL_ARRAY_SIZE(p_rss->rss_ind_table), + (1 << p_rss_tlv->rss_table_size_log)); + + max_q_idx = OSAL_ARRAY_SIZE(vf->vf_queues); + + for (i = 0; i < table_size; i++) { + q_idx = p_rss->rss_ind_table[i]; + if (q_idx >= max_q_idx) { + DP_NOTICE(p_hwfn, true, + "rss_ind_table[%d] = %d, rxq is out of range\n", + i, q_idx); + /* TBD: fail the request mark VF as malicious */ + p_rss->rss_ind_table[i] = + vf->vf_queues[0].fw_rx_qid; + } else if (!vf->vf_queues[q_idx].rxq_active) { + DP_NOTICE(p_hwfn, true, + "rss_ind_table[%d] = %d, rxq is not active\n", + i, q_idx); + /* TBD: fail the request mark VF as malicious */ + p_rss->rss_ind_table[i] = + vf->vf_queues[0].fw_rx_qid; + } else { + p_rss->rss_ind_table[i] = + vf->vf_queues[q_idx].fw_rx_qid; + } + } + + p_data->rss_params = p_rss; + *tlvs_mask |= 1 << ECORE_IOV_VP_UPDATE_RSS; + } else { + p_data->rss_params = OSAL_NULL; + } +} + +static void +ecore_iov_vp_update_sge_tpa_param(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *vf, + struct ecore_sp_vport_update_params *p_data, + struct ecore_sge_tpa_params *p_sge_tpa, + struct ecore_iov_vf_mbx *p_mbx, + u16 *tlvs_mask) +{ + struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv; + u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA; + + p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *) + ecore_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv); + + if (!p_sge_tpa_tlv) { + p_data->sge_tpa_params = OSAL_NULL; + return; + } + + OSAL_MEMSET(p_sge_tpa, 0, sizeof(struct ecore_sge_tpa_params)); + + p_sge_tpa->update_tpa_en_flg = + !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG); + p_sge_tpa->update_tpa_param_flg = + !!(p_sge_tpa_tlv->update_sge_tpa_flags & + VFPF_UPDATE_TPA_PARAM_FLAG); + + p_sge_tpa->tpa_ipv4_en_flg = + !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG); + p_sge_tpa->tpa_ipv6_en_flg = + !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG); + p_sge_tpa->tpa_pkt_split_flg = + !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG); + p_sge_tpa->tpa_hdr_data_split_flg = + !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG); + p_sge_tpa->tpa_gro_consistent_flg = + !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG); + + p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num; + p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size; + p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start; + p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont; + p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe; + + p_data->sge_tpa_params = p_sge_tpa; + + *tlvs_mask |= 1 << ECORE_IOV_VP_UPDATE_SGE_TPA; +} + +static void ecore_iov_vf_mbx_vport_update(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + struct ecore_sp_vport_update_params params; + struct ecore_iov_vf_mbx *mbx = &vf->vf_mbx; + struct ecore_sge_tpa_params sge_tpa_params; + struct ecore_rss_params rss_params; + u8 status = PFVF_STATUS_SUCCESS; + enum _ecore_status_t rc; + u16 tlvs_mask = 0, tlvs_accepted; + u16 length; + + OSAL_MEMSET(¶ms, 0, sizeof(params)); + params.opaque_fid = vf->opaque_fid; + params.vport_id = vf->vport_id; + params.rss_params = OSAL_NULL; + + /* Search for extended tlvs list and update values + * from VF in struct ecore_sp_vport_update_params. + */ + ecore_iov_vp_update_act_param(p_hwfn, ¶ms, mbx, &tlvs_mask); + ecore_iov_vp_update_vlan_param(p_hwfn, ¶ms, vf, mbx, &tlvs_mask); + ecore_iov_vp_update_tx_switch(p_hwfn, ¶ms, mbx, &tlvs_mask); + ecore_iov_vp_update_mcast_bin_param(p_hwfn, ¶ms, mbx, &tlvs_mask); + ecore_iov_vp_update_accept_flag(p_hwfn, ¶ms, mbx, &tlvs_mask); + ecore_iov_vp_update_rss_param(p_hwfn, vf, ¶ms, &rss_params, + mbx, &tlvs_mask); + ecore_iov_vp_update_accept_any_vlan(p_hwfn, ¶ms, mbx, &tlvs_mask); + ecore_iov_vp_update_sge_tpa_param(p_hwfn, vf, ¶ms, + &sge_tpa_params, mbx, &tlvs_mask); + + /* Just log a message if there is no single extended tlv in buffer. + * When all features of vport update ramrod would be requested by VF + * as extended TLVs in buffer then an error can be returned in response + * if there is no extended TLV present in buffer. + */ + tlvs_accepted = tlvs_mask; + +#ifndef __EXTRACT__LINUX__ + if (OSAL_IOV_VF_VPORT_UPDATE(p_hwfn, vf->relative_vf_id, + ¶ms, &tlvs_accepted) != + ECORE_SUCCESS) { + tlvs_accepted = 0; + status = PFVF_STATUS_NOT_SUPPORTED; + goto out; + } +#endif + + if (!tlvs_accepted) { + if (tlvs_mask) + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Upper-layer prevents said VF configuration\n"); + else + DP_NOTICE(p_hwfn, true, + "No feature tlvs found for vport update\n"); + status = PFVF_STATUS_NOT_SUPPORTED; + goto out; + } + + rc = ecore_sp_vport_update(p_hwfn, ¶ms, ECORE_SPQ_MODE_EBLOCK, + OSAL_NULL); + + if (rc) + status = PFVF_STATUS_FAILURE; + +out: + length = ecore_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status, + tlvs_mask, tlvs_accepted); + ecore_iov_send_response(p_hwfn, p_ptt, vf, length, status); +} + +static enum _ecore_status_t +ecore_iov_vf_update_unicast_shadow(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf, + struct ecore_filter_ucast *p_params) +{ + int i; + + /* TODO - do we need a MAC shadow registery? */ + if (p_params->type == ECORE_FILTER_MAC) + return ECORE_SUCCESS; + + /* First remove entries and then add new ones */ + if (p_params->opcode == ECORE_FILTER_REMOVE) { + for (i = 0; i < ECORE_ETH_VF_NUM_VLAN_FILTERS + 1; i++) + if (p_vf->shadow_config.vlans[i].used && + p_vf->shadow_config.vlans[i].vid == + p_params->vlan) { + p_vf->shadow_config.vlans[i].used = false; + break; + } + if (i == ECORE_ETH_VF_NUM_VLAN_FILTERS + 1) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF [%d] - Tries to remove a non-existing vlan\n", + p_vf->relative_vf_id); + return ECORE_INVAL; + } + } else if (p_params->opcode == ECORE_FILTER_REPLACE || + p_params->opcode == ECORE_FILTER_FLUSH) { + for (i = 0; i < ECORE_ETH_VF_NUM_VLAN_FILTERS + 1; i++) + p_vf->shadow_config.vlans[i].used = false; + } + + /* In forced mode, we're willing to remove entries - but we don't add + * new ones. + */ + if (p_vf->bulletin.p_virt->valid_bitmap & (1 << VLAN_ADDR_FORCED)) + return ECORE_SUCCESS; + + if (p_params->opcode == ECORE_FILTER_ADD || + p_params->opcode == ECORE_FILTER_REPLACE) { + for (i = 0; i < ECORE_ETH_VF_NUM_VLAN_FILTERS + 1; i++) + if (!p_vf->shadow_config.vlans[i].used) { + p_vf->shadow_config.vlans[i].used = true; + p_vf->shadow_config.vlans[i].vid = + p_params->vlan; + break; + } + if (i == ECORE_ETH_VF_NUM_VLAN_FILTERS + 1) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF [%d] - Tries to configure more than %d vlan filters\n", + p_vf->relative_vf_id, + ECORE_ETH_VF_NUM_VLAN_FILTERS + 1); + return ECORE_INVAL; + } + } + + return ECORE_SUCCESS; +} + +static void ecore_iov_vf_mbx_ucast_filter(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + struct ecore_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_ucast_filter_tlv *req = &mbx->req_virt->ucast_filter; + struct ecore_bulletin_content *p_bulletin = vf->bulletin.p_virt; + struct ecore_filter_ucast params; + u8 status = PFVF_STATUS_SUCCESS; + enum _ecore_status_t rc; + + /* Prepare the unicast filter params */ + OSAL_MEMSET(¶ms, 0, sizeof(struct ecore_filter_ucast)); + params.opcode = (enum ecore_filter_opcode)req->opcode; + params.type = (enum ecore_filter_ucast_type)req->type; + + /* @@@TBD - We might need logic on HV side in determining this */ + params.is_rx_filter = 1; + params.is_tx_filter = 1; + params.vport_to_remove_from = vf->vport_id; + params.vport_to_add_to = vf->vport_id; + OSAL_MEMCPY(params.mac, req->mac, ETH_ALEN); + params.vlan = req->vlan; + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n", + vf->abs_vf_id, params.opcode, params.type, + params.is_rx_filter ? "RX" : "", + params.is_tx_filter ? "TX" : "", + params.vport_to_add_to, + params.mac[0], params.mac[1], params.mac[2], + params.mac[3], params.mac[4], params.mac[5], params.vlan); + + if (!vf->vport_instance) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "No VPORT instance available for VF[%d], failing ucast MAC configuration\n", + vf->abs_vf_id); + status = PFVF_STATUS_FAILURE; + goto out; + } + + /* Update shadow copy of the VF configuration */ + if (ecore_iov_vf_update_unicast_shadow(p_hwfn, vf, ¶ms) != + ECORE_SUCCESS) { + status = PFVF_STATUS_FAILURE; + goto out; + } + + /* Determine if the unicast filtering is acceptible by PF */ + if ((p_bulletin->valid_bitmap & (1 << VLAN_ADDR_FORCED)) && + (params.type == ECORE_FILTER_VLAN || + params.type == ECORE_FILTER_MAC_VLAN)) { + /* Once VLAN is forced or PVID is set, do not allow + * to add/replace any further VLANs. + */ + if (params.opcode == ECORE_FILTER_ADD || + params.opcode == ECORE_FILTER_REPLACE) + status = PFVF_STATUS_FORCED; + goto out; + } + + if ((p_bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) && + (params.type == ECORE_FILTER_MAC || + params.type == ECORE_FILTER_MAC_VLAN)) { + if (OSAL_MEMCMP(p_bulletin->mac, params.mac, ETH_ALEN) || + (params.opcode != ECORE_FILTER_ADD && + params.opcode != ECORE_FILTER_REPLACE)) + status = PFVF_STATUS_FORCED; + goto out; + } + + rc = OSAL_IOV_CHK_UCAST(p_hwfn, vf->relative_vf_id, ¶ms); + if (rc == ECORE_EXISTS) { + goto out; + } else if (rc == ECORE_INVAL) { + status = PFVF_STATUS_FAILURE; + goto out; + } + + rc = ecore_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, ¶ms, + ECORE_SPQ_MODE_CB, OSAL_NULL); + if (rc) + status = PFVF_STATUS_FAILURE; + +out: + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER, + sizeof(struct pfvf_def_resp_tlv), status); +} + +static void ecore_iov_vf_mbx_int_cleanup(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + int i; + + /* Reset the SBs */ + for (i = 0; i < vf->num_sbs; i++) + ecore_int_igu_init_pure_rt_single(p_hwfn, p_ptt, + vf->igu_sbs[i], + vf->opaque_fid, false); + + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP, + sizeof(struct pfvf_def_resp_tlv), + PFVF_STATUS_SUCCESS); +} + +static void ecore_iov_vf_mbx_close(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *vf) +{ + u16 length = sizeof(struct pfvf_def_resp_tlv); + u8 status = PFVF_STATUS_SUCCESS; + + /* Disable Interrupts for VF */ + ecore_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0 /* disable */); + + /* Reset Permission table */ + ecore_iov_config_perm_table(p_hwfn, p_ptt, vf, 0 /* disable */); + + ecore_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE, + length, status); +} + +static void ecore_iov_vf_mbx_release(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + struct ecore_vf_info *p_vf) +{ + u16 length = sizeof(struct pfvf_def_resp_tlv); + + ecore_iov_vf_cleanup(p_hwfn, p_vf); + + ecore_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE, + length, PFVF_STATUS_SUCCESS); +} + +static enum _ecore_status_t +ecore_iov_vf_flr_poll_dorq(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf, struct ecore_ptt *p_ptt) +{ + int cnt; + u32 val; + + ecore_fid_pretend(p_hwfn, p_ptt, (u16)p_vf->concrete_fid); + + for (cnt = 0; cnt < 50; cnt++) { + val = ecore_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT); + if (!val) + break; + OSAL_MSLEEP(20); + } + ecore_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid); + + if (cnt == 50) { + DP_ERR(p_hwfn, + "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n", + p_vf->abs_vf_id, val); + return ECORE_TIMEOUT; + } + + return ECORE_SUCCESS; +} + +static enum _ecore_status_t +ecore_iov_vf_flr_poll_pbf(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf, struct ecore_ptt *p_ptt) +{ + u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS]; + int i, cnt; + + /* Read initial consumers & producers */ + for (i = 0; i < MAX_NUM_VOQS; i++) { + u32 prod; + + cons[i] = ecore_rd(p_hwfn, p_ptt, + PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 + + i * 0x40); + prod = ecore_rd(p_hwfn, p_ptt, + PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 + + i * 0x40); + distance[i] = prod - cons[i]; + } + + /* Wait for consumers to pass the producers */ + i = 0; + for (cnt = 0; cnt < 50; cnt++) { + for (; i < MAX_NUM_VOQS; i++) { + u32 tmp; + + tmp = ecore_rd(p_hwfn, p_ptt, + PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 + + i * 0x40); + if (distance[i] > tmp - cons[i]) + break; + } + + if (i == MAX_NUM_VOQS) + break; + + OSAL_MSLEEP(20); + } + + if (cnt == 50) { + DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n", + p_vf->abs_vf_id, i); + return ECORE_TIMEOUT; + } + + return ECORE_SUCCESS; +} + +static enum _ecore_status_t +ecore_iov_vf_flr_poll_prs(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf, struct ecore_ptt *p_ptt) +{ + u16 tc_cons[NUM_OF_TCS], tc_lb_cons[NUM_OF_TCS]; + u16 prod[NUM_OF_TCS]; + int i, cnt; + + /* Read initial consumers & producers */ + for (i = 0; i < NUM_OF_TCS; i++) { + tc_cons[i] = (u16)ecore_rd(p_hwfn, p_ptt, + PRS_REG_MSG_CT_MAIN_0 + i * 0x4); + tc_lb_cons[i] = (u16)ecore_rd(p_hwfn, p_ptt, + PRS_REG_MSG_CT_LB_0 + i * 0x4); + prod[i] = (u16)ecore_rd(p_hwfn, p_ptt, + BRB_REG_PER_TC_COUNTERS + + p_hwfn->port_id * 0x20 + i * 0x4); + } + + /* Wait for consumers to pass the producers */ + i = 0; + for (cnt = 0; cnt < 50; cnt++) { + for (; i < NUM_OF_TCS; i++) { + u16 cons; + + cons = (u16)ecore_rd(p_hwfn, p_ptt, + PRS_REG_MSG_CT_MAIN_0 + i * 0x4); + if (prod[i] - tc_cons[i] > cons - tc_cons[i]) + break; + + cons = (u16)ecore_rd(p_hwfn, p_ptt, + PRS_REG_MSG_CT_LB_0 + i * 0x4); + if (prod[i] - tc_lb_cons[i] > cons - tc_lb_cons[i]) + break; + } + + if (i == NUM_OF_TCS) + break; + + /* 16-bit counters; Delay instead of sleep... */ + OSAL_UDELAY(10); + } + + /* This is only optional polling for BB, since registers are only + * 16-bit wide and guarantee is not good enough. Don't fail things + * if polling didn't return the expected results. + */ + if (cnt == 50) + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF[%d] - prs polling failed on TC %d\n", + p_vf->abs_vf_id, i); + + return ECORE_SUCCESS; +} + +static enum _ecore_status_t ecore_iov_vf_flr_poll(struct ecore_hwfn *p_hwfn, + struct ecore_vf_info *p_vf, + struct ecore_ptt *p_ptt) +{ + enum _ecore_status_t rc; + + /* TODO - add SRC and TM polling once we add storage IOV */ + + rc = ecore_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt); + if (rc) + return rc; + + rc = ecore_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt); + if (rc) + return rc; + + rc = ecore_iov_vf_flr_poll_prs(p_hwfn, p_vf, p_ptt); + if (rc) + return rc; + + return ECORE_SUCCESS; +} + +static enum _ecore_status_t +ecore_iov_execute_vf_flr_cleanup(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + u16 rel_vf_id, u32 *ack_vfs) +{ + enum _ecore_status_t rc = ECORE_SUCCESS; + struct ecore_vf_info *p_vf; + + p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, false); + if (!p_vf) + return ECORE_SUCCESS; + + if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] & + (1ULL << (rel_vf_id % 64))) { + u16 vfid = p_vf->abs_vf_id; + + /* TODO - should we lock channel? */ + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF[%d] - Handling FLR\n", vfid); + + ecore_iov_vf_cleanup(p_hwfn, p_vf); + + /* If VF isn't active, no need for anything but SW */ + if (!ECORE_IS_VF_ACTIVE(p_hwfn->p_dev, p_vf->relative_vf_id)) + goto cleanup; + + /* TODO - what to do in case of failure? */ + rc = ecore_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt); + if (rc != ECORE_SUCCESS) + goto cleanup; + + rc = ecore_final_cleanup(p_hwfn, p_ptt, vfid, true); + if (rc) { + /* TODO - what's now? What a mess.... */ + DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid); + return rc; + } + + /* VF_STOPPED has to be set only after final cleanup + * but prior to re-enabling the VF. + */ + p_vf->state = VF_STOPPED; + + rc = ecore_iov_enable_vf_access(p_hwfn, p_ptt, p_vf); + if (rc) { + /* TODO - again, a mess... */ + DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n", + vfid); + return rc; + } +cleanup: + /* Mark VF for ack and clean pending state */ + if (p_vf->state == VF_RESET) + p_vf->state = VF_STOPPED; + ack_vfs[vfid / 32] |= (1 << (vfid % 32)); + p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &= + ~(1ULL << (rel_vf_id % 64)); + p_hwfn->pf_iov_info->pending_events[rel_vf_id / 64] &= + ~(1ULL << (rel_vf_id % 64)); + } + + return rc; +} + +enum _ecore_status_t ecore_iov_vf_flr_cleanup(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt) +{ + u32 ack_vfs[VF_MAX_STATIC / 32]; + enum _ecore_status_t rc = ECORE_SUCCESS; + u16 i; + + OSAL_MEMSET(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32)); + + for (i = 0; i < p_hwfn->p_dev->sriov_info.total_vfs; i++) + ecore_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs); + + rc = ecore_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs); + return rc; +} + +enum _ecore_status_t +ecore_iov_single_vf_flr_cleanup(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, u16 rel_vf_id) +{ + u32 ack_vfs[VF_MAX_STATIC / 32]; + enum _ecore_status_t rc = ECORE_SUCCESS; + + OSAL_MEMSET(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32)); + + ecore_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, rel_vf_id, ack_vfs); + + rc = ecore_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs); + return rc; +} + +int ecore_iov_mark_vf_flr(struct ecore_hwfn *p_hwfn, u32 *p_disabled_vfs) +{ + u16 i, found = 0; + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, "Marking FLR-ed VFs\n"); + for (i = 0; i < (VF_MAX_STATIC / 32); i++) + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "[%08x,...,%08x]: %08x\n", + i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]); + + /* Mark VFs */ + for (i = 0; i < p_hwfn->p_dev->sriov_info.total_vfs; i++) { + struct ecore_vf_info *p_vf; + u8 vfid; + + p_vf = ecore_iov_get_vf_info(p_hwfn, i, false); + if (!p_vf) + continue; + + vfid = p_vf->abs_vf_id; + if ((1 << (vfid % 32)) & p_disabled_vfs[vfid / 32]) { + u64 *p_flr = p_hwfn->pf_iov_info->pending_flr; + u16 rel_vf_id = p_vf->relative_vf_id; + + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF[%d] [rel %d] got FLR-ed\n", + vfid, rel_vf_id); + + p_vf->state = VF_RESET; + + /* No need to lock here, since pending_flr should + * only change here and before ACKing MFw. Since + * MFW will not trigger an additional attention for + * VF flr until ACKs, we're safe. + */ + p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64); + found = 1; + } + } + + return found; +} + +void ecore_iov_set_link(struct ecore_hwfn *p_hwfn, + u16 vfid, + struct ecore_mcp_link_params *params, + struct ecore_mcp_link_state *link, + struct ecore_mcp_link_capabilities *p_caps) +{ + struct ecore_vf_info *p_vf = ecore_iov_get_vf_info(p_hwfn, vfid, false); + struct ecore_bulletin_content *p_bulletin; + + if (!p_vf) + return; + + p_bulletin = p_vf->bulletin.p_virt; + p_bulletin->req_autoneg = params->speed.autoneg; + p_bulletin->req_adv_speed = params->speed.advertised_speeds; + p_bulletin->req_forced_speed = params->speed.forced_speed; + p_bulletin->req_autoneg_pause = params->pause.autoneg; + p_bulletin->req_forced_rx = params->pause.forced_rx; + p_bulletin->req_forced_tx = params->pause.forced_tx; + p_bulletin->req_loopback = params->loopback_mode; + + p_bulletin->link_up = link->link_up; + p_bulletin->speed = link->speed; + p_bulletin->full_duplex = link->full_duplex; + p_bulletin->autoneg = link->an; + p_bulletin->autoneg_complete = link->an_complete; + p_bulletin->parallel_detection = link->parallel_detection; + p_bulletin->pfc_enabled = link->pfc_enabled; + p_bulletin->partner_adv_speed = link->partner_adv_speed; + p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en; + p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en; + p_bulletin->partner_adv_pause = link->partner_adv_pause; + p_bulletin->sfp_tx_fault = link->sfp_tx_fault; + + p_bulletin->capability_speed = p_caps->speed_capabilities; +} + +void ecore_iov_get_link(struct ecore_hwfn *p_hwfn, + u16 vfid, + struct ecore_mcp_link_params *p_params, + struct ecore_mcp_link_state *p_link, + struct ecore_mcp_link_capabilities *p_caps) +{ + struct ecore_vf_info *p_vf = ecore_iov_get_vf_info(p_hwfn, vfid, false); + struct ecore_bulletin_content *p_bulletin; + + if (!p_vf) + return; + + p_bulletin = p_vf->bulletin.p_virt; + + if (p_params) + __ecore_vf_get_link_params(p_hwfn, p_params, p_bulletin); + if (p_link) + __ecore_vf_get_link_state(p_hwfn, p_link, p_bulletin); + if (p_caps) + __ecore_vf_get_link_caps(p_hwfn, p_caps, p_bulletin); +} + +void ecore_iov_process_mbx_req(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, int vfid) +{ + struct ecore_iov_vf_mbx *mbx; + struct ecore_vf_info *p_vf; + int i; + + p_vf = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!p_vf) + return; + + mbx = &p_vf->vf_mbx; + + /* ecore_iov_process_mbx_request */ + DP_VERBOSE(p_hwfn, + ECORE_MSG_IOV, + "ecore_iov_process_mbx_req vfid %d\n", p_vf->abs_vf_id); + + mbx->first_tlv = mbx->req_virt->first_tlv; + + /* check if tlv type is known */ + if (ecore_iov_tlv_supported(mbx->first_tlv.tl.type)) { + /* Lock the per vf op mutex and note the locker's identity. + * The unlock will take place in mbx response. + */ + ecore_iov_lock_vf_pf_channel(p_hwfn, + p_vf, mbx->first_tlv.tl.type); + + /* switch on the opcode */ + switch (mbx->first_tlv.tl.type) { + case CHANNEL_TLV_ACQUIRE: + ecore_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_VPORT_START: + ecore_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_VPORT_TEARDOWN: + ecore_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_START_RXQ: + ecore_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_START_TXQ: + ecore_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_STOP_RXQS: + ecore_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_STOP_TXQS: + ecore_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_UPDATE_RXQ: + ecore_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_VPORT_UPDATE: + ecore_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_UCAST_FILTER: + ecore_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_CLOSE: + ecore_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_INT_CLEANUP: + ecore_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf); + break; + case CHANNEL_TLV_RELEASE: + ecore_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf); + break; + } + + ecore_iov_unlock_vf_pf_channel(p_hwfn, + p_vf, mbx->first_tlv.tl.type); + + } else { + /* unknown TLV - this may belong to a VF driver from the future + * - a version written after this PF driver was written, which + * supports features unknown as of yet. Too bad since we don't + * support them. Or this may be because someone wrote a crappy + * VF driver and is sending garbage over the channel. + */ + DP_ERR(p_hwfn, + "unknown TLV. type %d length %d. first 20 bytes of mailbox buffer:\n", + mbx->first_tlv.tl.type, mbx->first_tlv.tl.length); + + for (i = 0; i < 20; i++) { + DP_VERBOSE(p_hwfn, + ECORE_MSG_IOV, + "%x ", + mbx->req_virt->tlv_buf_size.tlv_buffer[i]); + } + + /* test whether we can respond to the VF (do we have an address + * for it?) + */ + if (p_vf->state == VF_ACQUIRED) + DP_ERR(p_hwfn, "UNKNOWN TLV Not supported yet\n"); + } + +#ifdef CONFIG_ECORE_SW_CHANNEL + mbx->sw_mbx.mbx_state = VF_PF_RESPONSE_READY; + mbx->sw_mbx.response_offset = 0; +#endif +} + +static enum _ecore_status_t ecore_sriov_vfpf_msg(struct ecore_hwfn *p_hwfn, + __le16 vfid, + struct regpair *vf_msg) +{ + struct ecore_vf_info *p_vf; + u8 min, max; + + if (!p_hwfn->pf_iov_info || !p_hwfn->pf_iov_info->vfs_array) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Got a message from VF while PF is not initialized for IOV support\n"); + return ECORE_SUCCESS; + } + + /* Find the VF record - message comes with realtive [engine] vfid */ + min = (u8)p_hwfn->hw_info.first_vf_in_pf; + max = min + p_hwfn->p_dev->sriov_info.total_vfs; + /* @@@TBD - for BE machines, should echo field be reversed? */ + if ((u8)vfid < min || (u8)vfid >= max) { + DP_INFO(p_hwfn, + "Got a message from VF with relative id 0x%08x, but PF's range is [0x%02x,...,0x%02x)\n", + (u8)vfid, min, max); + return ECORE_INVAL; + } + p_vf = &p_hwfn->pf_iov_info->vfs_array[(u8)vfid - min]; + + /* List the physical address of the request so that handler + * could later on copy the message from it. + */ + p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo; + + return OSAL_PF_VF_MSG(p_hwfn, p_vf->relative_vf_id); +} + +enum _ecore_status_t ecore_sriov_eqe_event(struct ecore_hwfn *p_hwfn, + u8 opcode, + __le16 echo, + union event_ring_data *data) +{ + switch (opcode) { + case COMMON_EVENT_VF_PF_CHANNEL: + return ecore_sriov_vfpf_msg(p_hwfn, echo, + &data->vf_pf_channel.msg_addr); + case COMMON_EVENT_VF_FLR: + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "VF-FLR is still not supported\n"); + return ECORE_SUCCESS; + default: + DP_INFO(p_hwfn->p_dev, "Unknown sriov eqe event 0x%02x\n", + opcode); + return ECORE_INVAL; + } +} + +bool ecore_iov_is_vf_pending_flr(struct ecore_hwfn *p_hwfn, u16 rel_vf_id) +{ + return !!(p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] & + (1ULL << (rel_vf_id % 64))); +} + +bool ecore_iov_is_valid_vfid(struct ecore_hwfn *p_hwfn, int rel_vf_id, + bool b_enabled_only) +{ + if (!p_hwfn->pf_iov_info) { + DP_NOTICE(p_hwfn->p_dev, true, "No iov info\n"); + return false; + } + + return b_enabled_only ? ECORE_IS_VF_ACTIVE(p_hwfn->p_dev, rel_vf_id) : + (rel_vf_id < p_hwfn->p_dev->sriov_info.total_vfs); +} + +struct ecore_public_vf_info *ecore_iov_get_public_vf_info(struct ecore_hwfn + *p_hwfn, + u16 relative_vf_id, + bool b_enabled_only) +{ + struct ecore_vf_info *vf = OSAL_NULL; + + vf = ecore_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only); + if (!vf) + return OSAL_NULL; + + return &vf->p_vf_info; +} + +void ecore_iov_pf_add_pending_events(struct ecore_hwfn *p_hwfn, u8 vfid) +{ + u64 add_bit = 1ULL << (vfid % 64); + + /* TODO - add locking mechanisms [no atomics in ecore, so we can't + * add the lock inside the ecore_pf_iov struct]. + */ + p_hwfn->pf_iov_info->pending_events[vfid / 64] |= add_bit; +} + +void ecore_iov_pf_get_and_clear_pending_events(struct ecore_hwfn *p_hwfn, + u64 *events) +{ + u64 *p_pending_events = p_hwfn->pf_iov_info->pending_events; + + /* TODO - Take a lock */ + OSAL_MEMCPY(events, p_pending_events, + sizeof(u64) * ECORE_VF_ARRAY_LENGTH); + OSAL_MEMSET(p_pending_events, 0, sizeof(u64) * ECORE_VF_ARRAY_LENGTH); +} + +enum _ecore_status_t ecore_iov_copy_vf_msg(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *ptt, int vfid) +{ + struct ecore_dmae_params params; + struct ecore_vf_info *vf_info; + + vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) + return ECORE_INVAL; + + OSAL_MEMSET(¶ms, 0, sizeof(struct ecore_dmae_params)); + params.flags = ECORE_DMAE_FLAG_VF_SRC | ECORE_DMAE_FLAG_COMPLETION_DST; + params.src_vfid = vf_info->abs_vf_id; + + if (ecore_dmae_host2host(p_hwfn, ptt, + vf_info->vf_mbx.pending_req, + vf_info->vf_mbx.req_phys, + sizeof(union vfpf_tlvs) / 4, ¶ms)) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Failed to copy message from VF 0x%02x\n", vfid); + + return ECORE_IO; + } + + return ECORE_SUCCESS; +} + +void ecore_iov_bulletin_set_forced_mac(struct ecore_hwfn *p_hwfn, + u8 *mac, int vfid) +{ + struct ecore_vf_info *vf_info; + u64 feature; + + vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) { + DP_NOTICE(p_hwfn->p_dev, true, + "Can not set forced MAC, invalid vfid [%d]\n", vfid); + return; + } + + feature = 1 << MAC_ADDR_FORCED; + OSAL_MEMCPY(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN); + + vf_info->bulletin.p_virt->valid_bitmap |= feature; + /* Forced MAC will disable MAC_ADDR */ + vf_info->bulletin.p_virt->valid_bitmap &= + ~(1 << VFPF_BULLETIN_MAC_ADDR); + + ecore_iov_configure_vport_forced(p_hwfn, vf_info, feature); +} + +enum _ecore_status_t ecore_iov_bulletin_set_mac(struct ecore_hwfn *p_hwfn, + u8 *mac, int vfid) +{ + struct ecore_vf_info *vf_info; + u64 feature; + + vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) { + DP_NOTICE(p_hwfn->p_dev, true, + "Can not set MAC, invalid vfid [%d]\n", vfid); + return ECORE_INVAL; + } + + if (vf_info->bulletin.p_virt->valid_bitmap & (1 << MAC_ADDR_FORCED)) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Can not set MAC, Forced MAC is configured\n"); + return ECORE_INVAL; + } + + feature = 1 << VFPF_BULLETIN_MAC_ADDR; + OSAL_MEMCPY(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN); + + vf_info->bulletin.p_virt->valid_bitmap |= feature; + + return ECORE_SUCCESS; +} + +void ecore_iov_bulletin_set_forced_vlan(struct ecore_hwfn *p_hwfn, + u16 pvid, int vfid) +{ + struct ecore_vf_info *vf_info; + u64 feature; + + vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) { + DP_NOTICE(p_hwfn->p_dev, true, + "Can not set forced MAC, invalid vfid [%d]\n", vfid); + return; + } + + feature = 1 << VLAN_ADDR_FORCED; + vf_info->bulletin.p_virt->pvid = pvid; + if (pvid) + vf_info->bulletin.p_virt->valid_bitmap |= feature; + else + vf_info->bulletin.p_virt->valid_bitmap &= ~feature; + + ecore_iov_configure_vport_forced(p_hwfn, vf_info, feature); +} + +enum _ecore_status_t +ecore_iov_bulletin_set_forced_untagged_default(struct ecore_hwfn *p_hwfn, + bool b_untagged_only, int vfid) +{ + struct ecore_vf_info *vf_info; + u64 feature; + + vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) { + DP_NOTICE(p_hwfn->p_dev, true, + "Can not set forced MAC, invalid vfid [%d]\n", vfid); + return ECORE_INVAL; + } + + /* Since this is configurable only during vport-start, don't take it + * if we're past that point. + */ + if (vf_info->state == VF_ENABLED) { + DP_VERBOSE(p_hwfn, ECORE_MSG_IOV, + "Can't support untagged change for vfid[%d] - VF is already active\n", + vfid); + return ECORE_INVAL; + } + + /* Set configuration; This will later be taken into account during the + * VF initialization. + */ + feature = (1 << VFPF_BULLETIN_UNTAGGED_DEFAULT) | + (1 << VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED); + vf_info->bulletin.p_virt->valid_bitmap |= feature; + + vf_info->bulletin.p_virt->default_only_untagged = b_untagged_only ? 1 + : 0; + + return ECORE_SUCCESS; +} + +void ecore_iov_get_vfs_opaque_fid(struct ecore_hwfn *p_hwfn, int vfid, + u16 *opaque_fid) +{ + struct ecore_vf_info *vf_info; + + vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) + return; + + *opaque_fid = vf_info->opaque_fid; +} + +void ecore_iov_get_vfs_vport_id(struct ecore_hwfn *p_hwfn, int vfid, + u8 *p_vort_id) +{ + struct ecore_vf_info *vf_info; + + vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) + return; + + *p_vort_id = vf_info->vport_id; +} + +bool ecore_iov_vf_has_vport_instance(struct ecore_hwfn *p_hwfn, int vfid) +{ + struct ecore_vf_info *p_vf_info; + + p_vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!p_vf_info) + return false; + + return !!p_vf_info->vport_instance; +} + +bool ecore_iov_is_vf_stopped(struct ecore_hwfn *p_hwfn, int vfid) +{ + struct ecore_vf_info *p_vf_info; + + p_vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + + return p_vf_info->state == VF_STOPPED; +} + +bool ecore_iov_spoofchk_get(struct ecore_hwfn *p_hwfn, int vfid) +{ + struct ecore_vf_info *vf_info; + + vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) + return false; + + return vf_info->spoof_chk; +} + +bool ecore_iov_pf_sanity_check(struct ecore_hwfn *p_hwfn, int vfid) +{ + if (IS_VF(p_hwfn->p_dev) || !IS_ECORE_SRIOV(p_hwfn->p_dev) || + !IS_PF_SRIOV_ALLOC(p_hwfn) || + !ECORE_IS_VF_ACTIVE(p_hwfn->p_dev, vfid)) + return false; + else + return true; +} + +enum _ecore_status_t ecore_iov_spoofchk_set(struct ecore_hwfn *p_hwfn, + int vfid, bool val) +{ + enum _ecore_status_t rc = ECORE_INVAL; + struct ecore_vf_info *vf; + + if (!ecore_iov_pf_sanity_check(p_hwfn, vfid)) { + DP_NOTICE(p_hwfn, true, + "SR-IOV sanity check failed, can't set spoofchk\n"); + goto out; + } + + vf = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf) + goto out; + + if (!ecore_iov_vf_has_vport_instance(p_hwfn, vfid)) { + /* After VF VPORT start PF will configure spoof check */ + vf->req_spoofchk_val = val; + rc = ECORE_SUCCESS; + goto out; + } + + rc = __ecore_iov_spoofchk_set(p_hwfn, vf, val); + +out: + return rc; +} + +u8 ecore_iov_vf_chains_per_pf(struct ecore_hwfn *p_hwfn) +{ + u8 max_chains_per_vf = p_hwfn->hw_info.max_chains_per_vf; + + max_chains_per_vf = (max_chains_per_vf) ? max_chains_per_vf + : ECORE_MAX_VF_CHAINS_PER_PF; + + return max_chains_per_vf; +} + +void ecore_iov_get_vf_req_virt_mbx_params(struct ecore_hwfn *p_hwfn, + u16 rel_vf_id, + void **pp_req_virt_addr, + u16 *p_req_virt_size) +{ + struct ecore_vf_info *vf_info = + ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + + if (!vf_info) + return; + + if (pp_req_virt_addr) + *pp_req_virt_addr = vf_info->vf_mbx.req_virt; + + if (p_req_virt_size) + *p_req_virt_size = sizeof(*vf_info->vf_mbx.req_virt); +} + +void ecore_iov_get_vf_reply_virt_mbx_params(struct ecore_hwfn *p_hwfn, + u16 rel_vf_id, + void **pp_reply_virt_addr, + u16 *p_reply_virt_size) +{ + struct ecore_vf_info *vf_info = + ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + + if (!vf_info) + return; + + if (pp_reply_virt_addr) + *pp_reply_virt_addr = vf_info->vf_mbx.reply_virt; + + if (p_reply_virt_size) + *p_reply_virt_size = sizeof(*vf_info->vf_mbx.reply_virt); +} + +#ifdef CONFIG_ECORE_SW_CHANNEL +struct ecore_iov_sw_mbx *ecore_iov_get_vf_sw_mbx(struct ecore_hwfn *p_hwfn, + u16 rel_vf_id) +{ + struct ecore_vf_info *vf_info = + ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + + if (!vf_info) + return OSAL_NULL; + + return &vf_info->vf_mbx.sw_mbx; +} +#endif + +bool ecore_iov_is_valid_vfpf_msg_length(u32 length) +{ + return (length >= sizeof(struct vfpf_first_tlv) && + (length <= sizeof(union vfpf_tlvs))); +} + +u32 ecore_iov_pfvf_msg_length(void) +{ + return sizeof(union pfvf_tlvs); +} + +u8 *ecore_iov_bulletin_get_forced_mac(struct ecore_hwfn *p_hwfn, u16 rel_vf_id) +{ + struct ecore_vf_info *p_vf; + + p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf || !p_vf->bulletin.p_virt) + return OSAL_NULL; + + if (!(p_vf->bulletin.p_virt->valid_bitmap & (1 << MAC_ADDR_FORCED))) + return OSAL_NULL; + + return p_vf->bulletin.p_virt->mac; +} + +u16 ecore_iov_bulletin_get_forced_vlan(struct ecore_hwfn *p_hwfn, + u16 rel_vf_id) +{ + struct ecore_vf_info *p_vf; + + p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf || !p_vf->bulletin.p_virt) + return 0; + + if (!(p_vf->bulletin.p_virt->valid_bitmap & (1 << VLAN_ADDR_FORCED))) + return 0; + + return p_vf->bulletin.p_virt->pvid; +} + +enum _ecore_status_t ecore_iov_configure_tx_rate(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + int vfid, int val) +{ + struct ecore_vf_info *vf; + enum _ecore_status_t rc; + u8 abs_vp_id = 0; + + vf = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + + if (!vf) + return ECORE_INVAL; + + rc = ecore_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id); + if (rc != ECORE_SUCCESS) + return rc; + + rc = ecore_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val); + + return rc; +} + +enum _ecore_status_t ecore_iov_configure_min_tx_rate(struct ecore_dev *p_dev, + int vfid, u32 rate) +{ + struct ecore_vf_info *vf; + enum _ecore_status_t rc; + u8 vport_id; + int i; + + for_each_hwfn(p_dev, i) { + struct ecore_hwfn *p_hwfn = &p_dev->hwfns[i]; + + if (!ecore_iov_pf_sanity_check(p_hwfn, vfid)) { + DP_NOTICE(p_hwfn, true, + "SR-IOV sanity check failed, can't set min rate\n"); + return ECORE_INVAL; + } + } + + vf = ecore_iov_get_vf_info(ECORE_LEADING_HWFN(p_dev), (u16)vfid, true); + vport_id = vf->vport_id; + + rc = ecore_configure_vport_wfq(p_dev, vport_id, rate); + + return rc; +} + +enum _ecore_status_t ecore_iov_get_vf_stats(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt, + int vfid, + struct ecore_eth_stats *p_stats) +{ + struct ecore_vf_info *vf; + + vf = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf) + return ECORE_INVAL; + + if (vf->state != VF_ENABLED) + return ECORE_INVAL; + + __ecore_get_vport_stats(p_hwfn, p_ptt, p_stats, + vf->abs_vf_id + 0x10, false); + + return ECORE_SUCCESS; +} + +u8 ecore_iov_get_vf_num_rxqs(struct ecore_hwfn *p_hwfn, u16 rel_vf_id) +{ + struct ecore_vf_info *p_vf; + + p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf) + return 0; + + return p_vf->num_rxqs; +} + +u8 ecore_iov_get_vf_num_active_rxqs(struct ecore_hwfn *p_hwfn, u16 rel_vf_id) +{ + struct ecore_vf_info *p_vf; + + p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf) + return 0; + + return p_vf->num_active_rxqs; +} + +void *ecore_iov_get_vf_ctx(struct ecore_hwfn *p_hwfn, u16 rel_vf_id) +{ + struct ecore_vf_info *p_vf; + + p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf) + return OSAL_NULL; + + return p_vf->ctx; +} + +u8 ecore_iov_get_vf_num_sbs(struct ecore_hwfn *p_hwfn, u16 rel_vf_id) +{ + struct ecore_vf_info *p_vf; + + p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf) + return 0; + + return p_vf->num_sbs; +} + +bool ecore_iov_is_vf_wait_for_acquire(struct ecore_hwfn *p_hwfn, u16 rel_vf_id) +{ + struct ecore_vf_info *p_vf; + + p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf) + return false; + + return (p_vf->state == VF_FREE); +} + +bool ecore_iov_is_vf_acquired_not_initialized(struct ecore_hwfn *p_hwfn, + u16 rel_vf_id) +{ + struct ecore_vf_info *p_vf; + + p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf) + return false; + + return (p_vf->state == VF_ACQUIRED); +} + +bool ecore_iov_is_vf_initialized(struct ecore_hwfn *p_hwfn, u16 rel_vf_id) +{ + struct ecore_vf_info *p_vf; + + p_vf = ecore_iov_get_vf_info(p_hwfn, rel_vf_id, true); + if (!p_vf) + return false; + + return (p_vf->state == VF_ENABLED); +} + +int ecore_iov_get_vf_min_rate(struct ecore_hwfn *p_hwfn, int vfid) +{ + struct ecore_wfq_data *vf_vp_wfq; + struct ecore_vf_info *vf_info; + + vf_info = ecore_iov_get_vf_info(p_hwfn, (u16)vfid, true); + if (!vf_info) + return 0; + + vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id]; + + if (vf_vp_wfq->configured) + return vf_vp_wfq->min_speed; + else + return 0; +} |