From 8b25d1ad5d2264bdfc2818c7bda74ee2697df6db Mon Sep 17 00:00:00 2001 From: Christian Ehrhardt Date: Wed, 6 Jul 2016 09:22:35 +0200 Subject: Imported Upstream version 16.07-rc1 Change-Id: I40a523e52f12e8496fdd69e902824b0226c303de Signed-off-by: Christian Ehrhardt --- drivers/net/qede/base/ecore_sriov.h | 390 ++++++++++++++++++++++++++++++++++++ 1 file changed, 390 insertions(+) create mode 100644 drivers/net/qede/base/ecore_sriov.h (limited to 'drivers/net/qede/base/ecore_sriov.h') diff --git a/drivers/net/qede/base/ecore_sriov.h b/drivers/net/qede/base/ecore_sriov.h new file mode 100644 index 00000000..3471e5c6 --- /dev/null +++ b/drivers/net/qede/base/ecore_sriov.h @@ -0,0 +1,390 @@ +/* + * Copyright (c) 2016 QLogic Corporation. + * All rights reserved. + * www.qlogic.com + * + * See LICENSE.qede_pmd for copyright and licensing details. + */ + +#ifndef __ECORE_SRIOV_H__ +#define __ECORE_SRIOV_H__ + +#include "ecore_status.h" +#include "ecore_vfpf_if.h" +#include "ecore_iov_api.h" +#include "ecore_hsi_common.h" + +#define ECORE_ETH_VF_NUM_VLAN_FILTERS 2 + +#define ECORE_ETH_MAX_VF_NUM_VLAN_FILTERS \ + (MAX_NUM_VFS * ECORE_ETH_VF_NUM_VLAN_FILTERS) + +/* Represents a full message. Both the request filled by VF + * and the response filled by the PF. The VF needs one copy + * of this message, it fills the request part and sends it to + * the PF. The PF will copy the response to the response part for + * the VF to later read it. The PF needs to hold a message like this + * per VF, the request that is copied to the PF is placed in the + * request size, and the response is filled by the PF before sending + * it to the VF. + */ +struct ecore_vf_mbx_msg { + union vfpf_tlvs req; + union pfvf_tlvs resp; +}; + +/* This data is held in the ecore_hwfn structure for VFs only. */ +struct ecore_vf_iov { + union vfpf_tlvs *vf2pf_request; + dma_addr_t vf2pf_request_phys; + union pfvf_tlvs *pf2vf_reply; + dma_addr_t pf2vf_reply_phys; + + /* Should be taken whenever the mailbox buffers are accessed */ + osal_mutex_t mutex; + u8 *offset; + + /* Bulletin Board */ + struct ecore_bulletin bulletin; + struct ecore_bulletin_content bulletin_shadow; + + /* we set aside a copy of the acquire response */ + struct pfvf_acquire_resp_tlv acquire_resp; +}; + +/* This mailbox is maintained per VF in its PF + * contains all information required for sending / receiving + * a message + */ +struct ecore_iov_vf_mbx { + union vfpf_tlvs *req_virt; + dma_addr_t req_phys; + union pfvf_tlvs *reply_virt; + dma_addr_t reply_phys; + + /* Address in VF where a pending message is located */ + dma_addr_t pending_req; + + u8 *offset; + +#ifdef CONFIG_ECORE_SW_CHANNEL + struct ecore_iov_sw_mbx sw_mbx; +#endif + + /* VF GPA address */ + u32 vf_addr_lo; + u32 vf_addr_hi; + + struct vfpf_first_tlv first_tlv; /* saved VF request header */ + + u8 flags; +#define VF_MSG_INPROCESS 0x1 /* failsafe - the FW should prevent + * more then one pending msg + */ +}; + +struct ecore_vf_q_info { + u16 fw_rx_qid; + u16 fw_tx_qid; + u8 fw_cid; + u8 rxq_active; + u8 txq_active; +}; + +enum int_mod { + VPORT_INT_MOD_UNDEFINED = 0, + VPORT_INT_MOD_ADAPTIVE = 1, + VPORT_INT_MOD_OFF = 2, + VPORT_INT_MOD_LOW = 100, + VPORT_INT_MOD_MEDIUM = 200, + VPORT_INT_MOD_HIGH = 300 +}; + +enum vf_state { + VF_FREE = 0, /* VF ready to be acquired holds no resc */ + VF_ACQUIRED = 1, /* VF, acquired, but not initalized */ + VF_ENABLED = 2, /* VF, Enabled */ + VF_RESET = 3, /* VF, FLR'd, pending cleanup */ + VF_STOPPED = 4 /* VF, Stopped */ +}; + +struct ecore_vf_vlan_shadow { + bool used; + u16 vid; +}; + +struct ecore_vf_shadow_config { + /* Shadow copy of all guest vlans */ + struct ecore_vf_vlan_shadow vlans[ECORE_ETH_VF_NUM_VLAN_FILTERS + 1]; + + u8 inner_vlan_removal; +}; + +/* PFs maintain an array of this structure, per VF */ +struct ecore_vf_info { + struct ecore_iov_vf_mbx vf_mbx; + enum vf_state state; + u8 to_disable; + + struct ecore_bulletin bulletin; + dma_addr_t vf_bulletin; + + u32 concrete_fid; + u16 opaque_fid; + u16 mtu; + + u8 vport_id; + u8 relative_vf_id; + u8 abs_vf_id; +#define ECORE_VF_ABS_ID(p_hwfn, p_vf) (ECORE_PATH_ID(p_hwfn) ? \ + (p_vf)->abs_vf_id + MAX_NUM_VFS_BB : \ + (p_vf)->abs_vf_id) + + u8 vport_instance; /* Number of active vports */ + u8 num_rxqs; + u8 num_txqs; + + u8 num_sbs; + + u8 num_mac_filters; + u8 num_vlan_filters; + u8 num_mc_filters; + + struct ecore_vf_q_info vf_queues[ECORE_MAX_VF_CHAINS_PER_PF]; + u16 igu_sbs[ECORE_MAX_VF_CHAINS_PER_PF]; + + /* TODO - Only windows is using it - should be removed */ + u8 was_malicious; + u8 num_active_rxqs; + void *ctx; + struct ecore_public_vf_info p_vf_info; + bool spoof_chk; /* Current configured on HW */ + bool req_spoofchk_val; /* Requested value */ + + /* Stores the configuration requested by VF */ + struct ecore_vf_shadow_config shadow_config; + + /* A bitfield using bulletin's valid-map bits, used to indicate + * which of the bulletin board features have been configured. + */ + u64 configured_features; +#define ECORE_IOV_CONFIGURED_FEATURES_MASK ((1 << MAC_ADDR_FORCED) | \ + (1 << VLAN_ADDR_FORCED)) +}; + +/* This structure is part of ecore_hwfn and used only for PFs that have sriov + * capability enabled. + */ +struct ecore_pf_iov { + struct ecore_vf_info vfs_array[MAX_NUM_VFS]; + u64 pending_events[ECORE_VF_ARRAY_LENGTH]; + u64 pending_flr[ECORE_VF_ARRAY_LENGTH]; + u16 base_vport_id; + + /* Allocate message address continuosuly and split to each VF */ + void *mbx_msg_virt_addr; + dma_addr_t mbx_msg_phys_addr; + u32 mbx_msg_size; + void *mbx_reply_virt_addr; + dma_addr_t mbx_reply_phys_addr; + u32 mbx_reply_size; + void *p_bulletins; + dma_addr_t bulletins_phys; + u32 bulletins_size; +}; + +#ifdef CONFIG_ECORE_SRIOV +/** + * @brief Read sriov related information and allocated resources + * reads from configuraiton space, shmem, and allocates the VF + * database in the PF. + * + * @param p_hwfn + * @param p_ptt + * + * @return enum _ecore_status_t + */ +enum _ecore_status_t ecore_iov_hw_info(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt); + +/** + * @brief ecore_add_tlv - place a given tlv on the tlv buffer at next offset + * + * @param p_hwfn + * @param p_iov + * @param type + * @param length + * + * @return pointer to the newly placed tlv + */ +void *ecore_add_tlv(struct ecore_hwfn *p_hwfn, + u8 **offset, u16 type, u16 length); + +/** + * @brief list the types and lengths of the tlvs on the buffer + * + * @param p_hwfn + * @param tlvs_list + */ +void ecore_dp_tlv_list(struct ecore_hwfn *p_hwfn, void *tlvs_list); + +/** + * @brief ecore_iov_alloc - allocate sriov related resources + * + * @param p_hwfn + * + * @return enum _ecore_status_t + */ +enum _ecore_status_t ecore_iov_alloc(struct ecore_hwfn *p_hwfn); + +/** + * @brief ecore_iov_setup - setup sriov related resources + * + * @param p_hwfn + * @param p_ptt + */ +void ecore_iov_setup(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt); + +/** + * @brief ecore_iov_free - free sriov related resources + * + * @param p_hwfn + */ +void ecore_iov_free(struct ecore_hwfn *p_hwfn); + +/** + * @brief ecore_sriov_eqe_event - handle async sriov event arrived on eqe. + * + * @param p_hwfn + * @param opcode + * @param echo + * @param data + */ +enum _ecore_status_t ecore_sriov_eqe_event(struct ecore_hwfn *p_hwfn, + u8 opcode, + __le16 echo, + union event_ring_data *data); + +/** + * @brief calculate CRC for bulletin board validation + * + * @param basic crc seed + * @param ptr to beginning of buffer + * @length in bytes of buffer + * + * @return calculated crc over buffer [with respect to seed]. + */ +u32 ecore_crc32(u32 crc, u8 *ptr, u32 length); + +/** + * @brief Mark structs of vfs that have been FLR-ed. + * + * @param p_hwfn + * @param disabled_vfs - bitmask of all VFs on path that were FLRed + * + * @return 1 iff one of the PF's vfs got FLRed. 0 otherwise. + */ +int ecore_iov_mark_vf_flr(struct ecore_hwfn *p_hwfn, u32 *disabled_vfs); + +/** + * @brief Search extended TLVs in request/reply buffer. + * + * @param p_hwfn + * @param p_tlvs_list - Pointer to tlvs list + * @param req_type - Type of TLV + * + * @return pointer to tlv type if found, otherwise returns NULL. + */ +void *ecore_iov_search_list_tlvs(struct ecore_hwfn *p_hwfn, + void *p_tlvs_list, u16 req_type); + +/** + * @brief ecore_iov_get_vf_info - return the database of a + * specific VF + * + * @param p_hwfn + * @param relative_vf_id - relative id of the VF for which info + * is requested + * @param b_enabled_only - false iff want to access even if vf is disabled + * + * @return struct ecore_vf_info* + */ +struct ecore_vf_info *ecore_iov_get_vf_info(struct ecore_hwfn *p_hwfn, + u16 relative_vf_id, + bool b_enabled_only); +#else +static OSAL_INLINE enum _ecore_status_t ecore_iov_hw_info(struct ecore_hwfn + *p_hwfn, + struct ecore_ptt + *p_ptt) +{ + return ECORE_SUCCESS; +} + +static OSAL_INLINE void *ecore_add_tlv(struct ecore_hwfn *p_hwfn, u8 **offset, + u16 type, u16 length) +{ + return OSAL_NULL; +} + +static OSAL_INLINE void ecore_dp_tlv_list(struct ecore_hwfn *p_hwfn, + void *tlvs_list) +{ +} + +static OSAL_INLINE enum _ecore_status_t ecore_iov_alloc(struct ecore_hwfn + *p_hwfn) +{ + return ECORE_SUCCESS; +} + +static OSAL_INLINE void ecore_iov_setup(struct ecore_hwfn *p_hwfn, + struct ecore_ptt *p_ptt) +{ +} + +static OSAL_INLINE void ecore_iov_free(struct ecore_hwfn *p_hwfn) +{ +} + +static OSAL_INLINE enum _ecore_status_t ecore_sriov_eqe_event(struct ecore_hwfn + *p_hwfn, + u8 opcode, + __le16 echo, + union + event_ring_data + * data) +{ + return ECORE_INVAL; +} + +static OSAL_INLINE u32 ecore_crc32(u32 crc, u8 *ptr, u32 length) +{ + return 0; +} + +static OSAL_INLINE int ecore_iov_mark_vf_flr(struct ecore_hwfn *p_hwfn, + u32 *disabled_vfs) +{ + return 0; +} + +static OSAL_INLINE void *ecore_iov_search_list_tlvs(struct ecore_hwfn *p_hwfn, + void *p_tlvs_list, + u16 req_type) +{ + return OSAL_NULL; +} + +static OSAL_INLINE struct ecore_vf_info *ecore_iov_get_vf_info(struct ecore_hwfn + *p_hwfn, + u16 + relative_vf_id, + bool + b_enabled_only) +{ + return OSAL_NULL; +} + +#endif +#endif /* __ECORE_SRIOV_H__ */ -- cgit 1.2.3-korg