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/* bnx2x_vfpf.h: Broadcom Everest network driver.
*
* Copyright (c) 2011-2012 Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available
* at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a
* license other than the GPL, without Broadcom's express prior written
* consent.
*
* Maintained by: Eilon Greenstein <eilong@broadcom.com>
* Written by: Ariel Elior <ariele@broadcom.com>
*/
#ifndef VF_PF_IF_H
#define VF_PF_IF_H
/* Common definitions for all HVs */
struct vf_pf_resc_request {
u8 num_rxqs;
u8 num_txqs;
u8 num_sbs;
u8 num_mac_filters;
u8 num_vlan_filters;
u8 num_mc_filters; /* No limit so superfluous */
};
struct hw_sb_info {
u8 hw_sb_id; /* aka absolute igu id, used to ack the sb */
u8 sb_qid; /* used to update DHC for sb */
};
/* HW VF-PF channel definitions
* A.K.A VF-PF mailbox
*/
#define TLV_BUFFER_SIZE 1024
enum {
PFVF_STATUS_WAITING = 0,
PFVF_STATUS_SUCCESS,
PFVF_STATUS_FAILURE,
PFVF_STATUS_NOT_SUPPORTED,
PFVF_STATUS_NO_RESOURCE
};
/* vf pf channel tlvs */
/* general tlv header (used for both vf->pf request and pf->vf response) */
struct channel_tlv {
u16 type;
u16 length;
};
/* header of first vf->pf tlv carries the offset used to calculate response
* buffer address
*/
struct vfpf_first_tlv {
struct channel_tlv tl;
u32 resp_msg_offset;
};
/* header of pf->vf tlvs, carries the status of handling the request */
struct pfvf_tlv {
struct channel_tlv tl;
u8 status;
u8 padding[3];
};
/* response tlv used for most tlvs */
struct pfvf_general_resp_tlv {
struct pfvf_tlv hdr;
};
/* used to terminate and pad a tlv list */
struct channel_list_end_tlv {
struct channel_tlv tl;
u8 padding[4];
};
/* Acquire */
struct vfpf_acquire_tlv {
struct vfpf_first_tlv first_tlv;
struct vf_pf_vfdev_info {
/* the following fields are for debug purposes */
u8 vf_id; /* ME register value */
u8 vf_os; /* e.g. Linux, W2K8 */
u8 padding[2];
} vfdev_info;
struct vf_pf_resc_request resc_request;
aligned_u64 bulletin_addr;
};
/* acquire response tlv - carries the allocated resources */
struct pfvf_acquire_resp_tlv {
struct pfvf_tlv hdr;
struct pf_vf_pfdev_info {
u32 chip_num;
u32 pf_cap;
#define PFVF_CAP_RSS 0x00000001
#define PFVF_CAP_DHC 0x00000002
#define PFVF_CAP_TPA 0x00000004
char fw_ver[32];
u16 db_size;
u8 indices_per_sb;
u8 padding;
} pfdev_info;
struct pf_vf_resc {
/* in case of status NO_RESOURCE in message hdr, pf will fill
* this struct with suggested amount of resources for next
* acquire request
*/
#define PFVF_MAX_QUEUES_PER_VF 16
#define PFVF_MAX_SBS_PER_VF 16
struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF];
u8 hw_qid[PFVF_MAX_QUEUES_PER_VF];
u8 num_rxqs;
u8 num_txqs;
u8 num_sbs;
u8 num_mac_filters;
u8 num_vlan_filters;
u8 num_mc_filters;
u8 permanent_mac_addr[ETH_ALEN];
u8 current_mac_addr[ETH_ALEN];
u8 padding[2];
} resc;
};
/* release the VF's acquired resources */
struct vfpf_release_tlv {
struct vfpf_first_tlv first_tlv;
u16 vf_id;
u8 padding[2];
};
struct tlv_buffer_size {
u8 tlv_buffer[TLV_BUFFER_SIZE];
};
union vfpf_tlvs {
struct vfpf_first_tlv first_tlv;
struct vfpf_acquire_tlv acquire;
struct vfpf_release_tlv release;
struct channel_list_end_tlv list_end;
struct tlv_buffer_size tlv_buf_size;
};
union pfvf_tlvs {
struct pfvf_general_resp_tlv general_resp;
struct pfvf_acquire_resp_tlv acquire_resp;
struct channel_list_end_tlv list_end;
struct tlv_buffer_size tlv_buf_size;
};
#define MAX_TLVS_IN_LIST 50
enum channel_tlvs {
CHANNEL_TLV_NONE,
CHANNEL_TLV_ACQUIRE,
CHANNEL_TLV_RELEASE,
CHANNEL_TLV_LIST_END,
CHANNEL_TLV_MAX
};
#endif /* VF_PF_IF_H */
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