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Diffstat (limited to 'sys/dev/ice/ice_iov.h')
| -rw-r--r-- | sys/dev/ice/ice_iov.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sys/dev/ice/ice_iov.h b/sys/dev/ice/ice_iov.h new file mode 100644 index 000000000000..c4fb3e932e3f --- /dev/null +++ b/sys/dev/ice/ice_iov.h @@ -0,0 +1,125 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ +/* Copyright (c) 2025, Intel Corporation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * @file ice_iov.h + * @brief header for IOV functionality + * + * This header includes definitions used to implement device Virtual Functions + * for the ice driver. + */ + +#ifndef _ICE_IOV_H_ +#define _ICE_IOV_H_ + +#include <sys/types.h> +#include <sys/bus.h> +#include <sys/nv.h> +#include <sys/iov_schema.h> +#include <sys/param.h> +#include <dev/pci/pcivar.h> +#include <dev/pci/pcireg.h> + +#include <dev/pci/pci_iov.h> + +#include "ice_iflib.h" +#include "ice_vf_mbx.h" + +/** + * @enum ice_vf_flags + * @brief VF state flags + * + * Used to indicate the status of a PF's VF, as well as indicating what each VF + * is capabile of. Intended to be modified only using atomic operations, so + * they can be read and modified in places that aren't locked. + * + * Used in struct ice_vf's vf_flags field. + */ +enum ice_vf_flags { + VF_FLAG_ENABLED = BIT(0), + VF_FLAG_SET_MAC_CAP = BIT(1), + VF_FLAG_VLAN_CAP = BIT(2), + VF_FLAG_PROMISC_CAP = BIT(3), + VF_FLAG_MAC_ANTI_SPOOF = BIT(4), +}; + +/** + * @struct ice_vf + * @brief PF's VF software context + * + * Represents the state and options for a VF spawned from a PF. + */ +struct ice_vf { + struct ice_vsi *vsi; + u32 vf_flags; + + u8 mac[ETHER_ADDR_LEN]; + u16 vf_num; + struct virtchnl_version_info version; + + u16 mac_filter_limit; + u16 mac_filter_cnt; + u16 vlan_limit; + u16 vlan_cnt; + + u16 num_irq_vectors; + u16 *vf_imap; + struct ice_irq_vector *tx_irqvs; + struct ice_irq_vector *rx_irqvs; +}; + +#define ICE_PCIE_DEV_STATUS 0xAA + +#define ICE_PCI_CIAD_WAIT_COUNT 100 +#define ICE_PCI_CIAD_WAIT_DELAY_US 1 +#define ICE_VPGEN_VFRSTAT_WAIT_COUNT 100 +#define ICE_VPGEN_VFRSTAT_WAIT_DELAY_US 20 + +#define ICE_VIRTCHNL_VALID_PROMISC_FLAGS (FLAG_VF_UNICAST_PROMISC | \ + FLAG_VF_MULTICAST_PROMISC) + +#define ICE_DEFAULT_VF_VLAN_LIMIT 64 +#define ICE_DEFAULT_VF_FILTER_LIMIT 16 + +int ice_iov_attach(struct ice_softc *sc); +int ice_iov_detach(struct ice_softc *sc); + +int ice_iov_init(struct ice_softc *sc, uint16_t num_vfs, const nvlist_t *params); +int ice_iov_add_vf(struct ice_softc *sc, uint16_t vfnum, const nvlist_t *params); +void ice_iov_uninit(struct ice_softc *sc); + +void ice_iov_handle_vflr(struct ice_softc *sc); + +void ice_vc_handle_vf_msg(struct ice_softc *sc, struct ice_rq_event_info *event); +void ice_vc_notify_all_vfs_link_state(struct ice_softc *sc); + +#endif /* _ICE_IOV_H_ */ + |