2 * Copyright (c) 2016 QLogic Corporation.
6 * See LICENSE.qede_pmd for copyright and licensing details.
9 #ifndef __ECORE_SRIOV_H__
10 #define __ECORE_SRIOV_H__
12 #include "ecore_status.h"
13 #include "ecore_vfpf_if.h"
14 #include "ecore_iov_api.h"
15 #include "ecore_hsi_common.h"
18 #define ECORE_ETH_MAX_VF_NUM_VLAN_FILTERS \
19 (MAX_NUM_VFS_E4 * ECORE_ETH_VF_NUM_VLAN_FILTERS)
21 /* Represents a full message. Both the request filled by VF
22 * and the response filled by the PF. The VF needs one copy
23 * of this message, it fills the request part and sends it to
24 * the PF. The PF will copy the response to the response part for
25 * the VF to later read it. The PF needs to hold a message like this
26 * per VF, the request that is copied to the PF is placed in the
27 * request size, and the response is filled by the PF before sending
30 struct ecore_vf_mbx_msg {
35 /* This mailbox is maintained per VF in its PF
36 * contains all information required for sending / receiving
39 struct ecore_iov_vf_mbx {
40 union vfpf_tlvs *req_virt;
42 union pfvf_tlvs *reply_virt;
43 dma_addr_t reply_phys;
45 /* Address in VF where a pending message is located */
46 dma_addr_t pending_req;
48 /* Message from VF awaits handling */
53 #ifdef CONFIG_ECORE_SW_CHANNEL
54 struct ecore_iov_sw_mbx sw_mbx;
61 struct vfpf_first_tlv first_tlv; /* saved VF request header */
64 #define VF_MSG_INPROCESS 0x1 /* failsafe - the FW should prevent
65 * more then one pending msg
69 #define ECORE_IOV_LEGACY_QID_RX (0)
70 #define ECORE_IOV_LEGACY_QID_TX (1)
71 #define ECORE_IOV_QID_INVALID (0xFE)
73 struct ecore_vf_queue_cid {
75 struct ecore_queue_cid *p_cid;
78 /* Describes a qzone associated with the VF */
79 struct ecore_vf_queue {
80 /* Input from upper-layer, mapping relateive queue to queue-zone */
84 struct ecore_vf_queue_cid cids[MAX_QUEUES_PER_QZONE];
88 VF_FREE = 0, /* VF ready to be acquired holds no resc */
89 VF_ACQUIRED = 1, /* VF, acquired, but not initalized */
90 VF_ENABLED = 2, /* VF, Enabled */
91 VF_RESET = 3, /* VF, FLR'd, pending cleanup */
92 VF_STOPPED = 4 /* VF, Stopped */
95 struct ecore_vf_vlan_shadow {
100 struct ecore_vf_shadow_config {
101 /* Shadow copy of all guest vlans */
102 struct ecore_vf_vlan_shadow vlans[ECORE_ETH_VF_NUM_VLAN_FILTERS + 1];
104 /* Shadow copy of all configured MACs; Empty if forcing MACs */
105 u8 macs[ECORE_ETH_VF_NUM_MAC_FILTERS][ETH_ALEN];
106 u8 inner_vlan_removal;
109 /* PFs maintain an array of this structure, per VF */
110 struct ecore_vf_info {
111 struct ecore_iov_vf_mbx vf_mbx;
117 struct ecore_bulletin bulletin;
118 dma_addr_t vf_bulletin;
120 #ifdef CONFIG_ECORE_SW_CHANNEL
121 /* Determine whether PF communicate with VF using HW/SW channel */
125 /* PF saves a copy of the last VF acquire message */
126 struct vfpf_acquire_tlv acquire;
136 #define ECORE_VF_ABS_ID(p_hwfn, p_vf) (ECORE_PATH_ID(p_hwfn) ? \
137 (p_vf)->abs_vf_id + MAX_NUM_VFS_BB : \
140 u8 vport_instance; /* Number of active vports */
152 struct ecore_vf_queue vf_queues[ECORE_MAX_VF_CHAINS_PER_PF];
153 u16 igu_sbs[ECORE_MAX_VF_CHAINS_PER_PF];
155 /* TODO - Only windows is using it - should be removed */
159 struct ecore_public_vf_info p_vf_info;
160 bool spoof_chk; /* Current configured on HW */
161 bool req_spoofchk_val; /* Requested value */
163 /* Stores the configuration requested by VF */
164 struct ecore_vf_shadow_config shadow_config;
166 /* A bitfield using bulletin's valid-map bits, used to indicate
167 * which of the bulletin board features have been configured.
169 u64 configured_features;
170 #define ECORE_IOV_CONFIGURED_FEATURES_MASK ((1 << MAC_ADDR_FORCED) | \
171 (1 << VLAN_ADDR_FORCED))
174 /* This structure is part of ecore_hwfn and used only for PFs that have sriov
175 * capability enabled.
177 struct ecore_pf_iov {
178 struct ecore_vf_info vfs_array[MAX_NUM_VFS_E4];
179 u64 pending_flr[ECORE_VF_ARRAY_LENGTH];
182 /* This doesn't serve anything functionally, but it makes windows
183 * debugging of IOV related issues easier.
185 u64 active_vfs[ECORE_VF_ARRAY_LENGTH];
188 /* Allocate message address continuosuly and split to each VF */
189 void *mbx_msg_virt_addr;
190 dma_addr_t mbx_msg_phys_addr;
192 void *mbx_reply_virt_addr;
193 dma_addr_t mbx_reply_phys_addr;
196 dma_addr_t bulletins_phys;
200 #ifdef CONFIG_ECORE_SRIOV
202 * @brief Read sriov related information and allocated resources
203 * reads from configuraiton space, shmem, etc.
207 * @return enum _ecore_status_t
209 enum _ecore_status_t ecore_iov_hw_info(struct ecore_hwfn *p_hwfn);
212 * @brief ecore_add_tlv - place a given tlv on the tlv buffer at next offset
218 * @return pointer to the newly placed tlv
220 void *ecore_add_tlv(u8 **offset, u16 type, u16 length);
223 * @brief list the types and lengths of the tlvs on the buffer
228 void ecore_dp_tlv_list(struct ecore_hwfn *p_hwfn,
232 * @brief ecore_iov_alloc - allocate sriov related resources
236 * @return enum _ecore_status_t
238 enum _ecore_status_t ecore_iov_alloc(struct ecore_hwfn *p_hwfn);
241 * @brief ecore_iov_setup - setup sriov related resources
245 void ecore_iov_setup(struct ecore_hwfn *p_hwfn);
248 * @brief ecore_iov_free - free sriov related resources
252 void ecore_iov_free(struct ecore_hwfn *p_hwfn);
255 * @brief free sriov related memory that was allocated during hw_prepare
259 void ecore_iov_free_hw_info(struct ecore_dev *p_dev);
262 * @brief Mark structs of vfs that have been FLR-ed.
265 * @param disabled_vfs - bitmask of all VFs on path that were FLRed
267 * @return true iff one of the PF's vfs got FLRed. false otherwise.
269 bool ecore_iov_mark_vf_flr(struct ecore_hwfn *p_hwfn,
273 * @brief Search extended TLVs in request/reply buffer.
276 * @param p_tlvs_list - Pointer to tlvs list
277 * @param req_type - Type of TLV
279 * @return pointer to tlv type if found, otherwise returns NULL.
281 void *ecore_iov_search_list_tlvs(struct ecore_hwfn *p_hwfn,
282 void *p_tlvs_list, u16 req_type);
285 * @brief ecore_iov_get_vf_info - return the database of a
289 * @param relative_vf_id - relative id of the VF for which info
291 * @param b_enabled_only - false iff want to access even if vf is disabled
293 * @return struct ecore_vf_info*
295 struct ecore_vf_info *ecore_iov_get_vf_info(struct ecore_hwfn *p_hwfn,
297 bool b_enabled_only);
299 #endif /* __ECORE_SRIOV_H__ */