--- /dev/null
+/* bnx2x_vfpf.h: Broadcom Everest network driver.
+ *
+ * Copyright (c) 2011-2013 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: Ariel Elior <ariel.elior@qlogic.com>
+ * Written by: Ariel Elior <ariel.elior@qlogic.com>
+ */
+#ifndef VF_PF_IF_H
+#define VF_PF_IF_H
+
+#ifdef CONFIG_BNX2X_SRIOV
+
+/* 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
+#define PF_VF_BULLETIN_SIZE 512
+
+#define VFPF_QUEUE_FLG_TPA 0x0001
+#define VFPF_QUEUE_FLG_TPA_IPV6 0x0002
+#define VFPF_QUEUE_FLG_TPA_GRO 0x0004
+#define VFPF_QUEUE_FLG_CACHE_ALIGN 0x0008
+#define VFPF_QUEUE_FLG_STATS 0x0010
+#define VFPF_QUEUE_FLG_OV 0x0020
+#define VFPF_QUEUE_FLG_VLAN 0x0040
+#define VFPF_QUEUE_FLG_COS 0x0080
+#define VFPF_QUEUE_FLG_HC 0x0100
+#define VFPF_QUEUE_FLG_DHC 0x0200
+#define VFPF_QUEUE_FLG_LEADING_RSS 0x0400
+
+#define VFPF_QUEUE_DROP_IP_CS_ERR (1 << 0)
+#define VFPF_QUEUE_DROP_TCP_CS_ERR (1 << 1)
+#define VFPF_QUEUE_DROP_TTL0 (1 << 2)
+#define VFPF_QUEUE_DROP_UDP_CS_ERR (1 << 3)
+
+#define VFPF_RX_MASK_ACCEPT_NONE 0x00000000
+#define VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST 0x00000001
+#define VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST 0x00000002
+#define VFPF_RX_MASK_ACCEPT_ALL_UNICAST 0x00000004
+#define VFPF_RX_MASK_ACCEPT_ALL_MULTICAST 0x00000008
+#define VFPF_RX_MASK_ACCEPT_BROADCAST 0x00000010
+#define BULLETIN_CONTENT_SIZE (sizeof(struct pf_vf_bulletin_content))
+#define BULLETIN_CONTENT_LEGACY_SIZE (32)
+#define BULLETIN_ATTEMPTS 5 /* crc failures before throwing towel */
+#define BULLETIN_CRC_SEED 0
+
+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 */
+#define VF_OS_SUBVERSION_MASK (0x1f)
+#define VF_OS_MASK (0xe0)
+#define VF_OS_SHIFT (5)
+#define VF_OS_UNDEFINED (0 << VF_OS_SHIFT)
+#define VF_OS_WINDOWS (1 << VF_OS_SHIFT)
+
+ u8 fp_hsi_ver;
+ u8 caps;
+#define VF_CAP_SUPPORT_EXT_BULLETIN (1 << 0)
+ } vfdev_info;
+
+ struct vf_pf_resc_request resc_request;
+
+ aligned_u64 bulletin_addr;
+};
+
+/* simple operation request on queue */
+struct vfpf_q_op_tlv {
+ struct vfpf_first_tlv first_tlv;
+ u8 vf_qid;
+ u8 padding[3];
+};
+
+/* receive side scaling tlv */
+struct vfpf_rss_tlv {
+ struct vfpf_first_tlv first_tlv;
+ u32 rss_flags;
+#define VFPF_RSS_MODE_DISABLED (1 << 0)
+#define VFPF_RSS_MODE_REGULAR (1 << 1)
+#define VFPF_RSS_SET_SRCH (1 << 2)
+#define VFPF_RSS_IPV4 (1 << 3)
+#define VFPF_RSS_IPV4_TCP (1 << 4)
+#define VFPF_RSS_IPV4_UDP (1 << 5)
+#define VFPF_RSS_IPV6 (1 << 6)
+#define VFPF_RSS_IPV6_TCP (1 << 7)
+#define VFPF_RSS_IPV6_UDP (1 << 8)
+ u8 rss_result_mask;
+ u8 ind_table_size;
+ u8 rss_key_size;
+ u8 padding;
+ u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
+ u32 rss_key[T_ETH_RSS_KEY]; /* hash values */
+};
+
+/* 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
+#define PFVF_CAP_TPA_UPDATE 0x00000008
+ 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;
+};
+
+struct vfpf_port_phys_id_resp_tlv {
+ struct channel_tlv tl;
+ u8 id[ETH_ALEN];
+ u8 padding[2];
+};
+
+struct vfpf_fp_hsi_resp_tlv {
+ struct channel_tlv tl;
+ u8 is_supported;
+ u8 padding[3];
+};
+
+#define VFPF_INIT_FLG_STATS_COALESCE (1 << 0) /* when set the VFs queues
+ * stats will be coalesced on
+ * the leading RSS queue
+ */
+
+/* Init VF */
+struct vfpf_init_tlv {
+ struct vfpf_first_tlv first_tlv;
+ aligned_u64 sb_addr[PFVF_MAX_SBS_PER_VF]; /* vf_sb based */
+ aligned_u64 spq_addr;
+ aligned_u64 stats_addr;
+ u16 stats_stride;
+ u32 flags;
+ u32 padding[2];
+};
+
+/* Setup Queue */
+struct vfpf_setup_q_tlv {
+ struct vfpf_first_tlv first_tlv;
+
+ struct vf_pf_rxq_params {
+ /* physical addresses */
+ aligned_u64 rcq_addr;
+ aligned_u64 rcq_np_addr;
+ aligned_u64 rxq_addr;
+ aligned_u64 sge_addr;
+
+ /* sb + hc info */
+ u8 vf_sb; /* index in hw_sbs[] */
+ u8 sb_index; /* Index in the SB */
+ u16 hc_rate; /* desired interrupts per sec. */
+ /* valid iff VFPF_QUEUE_FLG_HC */
+ /* rx buffer info */
+ u16 mtu;
+ u16 buf_sz;
+ u16 flags; /* VFPF_QUEUE_FLG_X flags */
+ u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */
+
+ /* valid iff VFPF_QUEUE_FLG_TPA */
+ u16 sge_buf_sz;
+ u16 tpa_agg_sz;
+ u8 max_sge_pkt;
+
+ u8 drop_flags; /* VFPF_QUEUE_DROP_X, for Linux VMs
+ * all the flags are turned off
+ */
+
+ u8 cache_line_log; /* VFPF_QUEUE_FLG_CACHE_ALIGN */
+ u8 padding;
+ } rxq;
+
+ struct vf_pf_txq_params {
+ /* physical addresses */
+ aligned_u64 txq_addr;
+
+ /* sb + hc info */
+ u8 vf_sb; /* index in hw_sbs[] */
+ u8 sb_index; /* Index in the SB */
+ u16 hc_rate; /* desired interrupts per sec. */
+ /* valid iff VFPF_QUEUE_FLG_HC */
+ u32 flags; /* VFPF_QUEUE_FLG_X flags */
+ u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */
+ u8 traffic_type; /* see in setup_context() */
+ u8 padding;
+ } txq;
+
+ u8 vf_qid; /* index in hw_qid[] */
+ u8 param_valid;
+#define VFPF_RXQ_VALID 0x01
+#define VFPF_TXQ_VALID 0x02
+ u8 padding[2];
+};
+
+/* Set Queue Filters */
+struct vfpf_q_mac_vlan_filter {
+ u32 flags;
+#define VFPF_Q_FILTER_DEST_MAC_VALID 0x01
+#define VFPF_Q_FILTER_VLAN_TAG_VALID 0x02
+#define VFPF_Q_FILTER_SET_MAC 0x100 /* set/clear */
+ u8 mac[ETH_ALEN];
+ u16 vlan_tag;
+};
+
+/* configure queue filters */
+struct vfpf_set_q_filters_tlv {
+ struct vfpf_first_tlv first_tlv;
+
+ u32 flags;
+#define VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED 0x01
+#define VFPF_SET_Q_FILTERS_MULTICAST_CHANGED 0x02
+#define VFPF_SET_Q_FILTERS_RX_MASK_CHANGED 0x04
+
+ u8 vf_qid; /* index in hw_qid[] */
+ u8 n_mac_vlan_filters;
+ u8 n_multicast;
+ u8 padding;
+
+#define PFVF_MAX_MAC_FILTERS 16
+#define PFVF_MAX_VLAN_FILTERS 16
+#define PFVF_MAX_FILTERS (PFVF_MAX_MAC_FILTERS +\
+ PFVF_MAX_VLAN_FILTERS)
+ struct vfpf_q_mac_vlan_filter filters[PFVF_MAX_FILTERS];
+
+#define PFVF_MAX_MULTICAST_PER_VF 32
+ u8 multicast[PFVF_MAX_MULTICAST_PER_VF][ETH_ALEN];
+
+ u32 rx_mask; /* see mask constants at the top of the file */
+};
+
+struct vfpf_tpa_tlv {
+ struct vfpf_first_tlv first_tlv;
+
+ struct vf_pf_tpa_client_info {
+ aligned_u64 sge_addr[PFVF_MAX_QUEUES_PER_VF];
+ u8 update_ipv4;
+ u8 update_ipv6;
+ u8 max_tpa_queues;
+ u8 max_sges_for_packet;
+ u8 complete_on_both_clients;
+ u8 dont_verify_thr;
+ u8 tpa_mode;
+ u16 sge_buff_size;
+ u16 max_agg_size;
+ u16 sge_pause_thr_low;
+ u16 sge_pause_thr_high;
+ } tpa_client_info;
+};
+
+/* close VF (disable VF) */
+struct vfpf_close_tlv {
+ struct vfpf_first_tlv first_tlv;
+ u16 vf_id; /* for debug */
+ u8 padding[2];
+};
+
+/* 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_init_tlv init;
+ struct vfpf_close_tlv close;
+ struct vfpf_q_op_tlv q_op;
+ struct vfpf_setup_q_tlv setup_q;
+ struct vfpf_set_q_filters_tlv set_q_filters;
+ struct vfpf_release_tlv release;
+ struct vfpf_rss_tlv update_rss;
+ struct vfpf_tpa_tlv update_tpa;
+ 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;
+};
+
+/* This is a structure which is allocated in the VF, which the PF may update
+ * when it deems it necessary to do so. The bulletin board is sampled
+ * periodically by the VF. A copy per VF is maintained in the PF (to prevent
+ * loss of data upon multiple updates (or the need for read modify write)).
+ */
+struct pf_vf_bulletin_size {
+ u8 size[PF_VF_BULLETIN_SIZE];
+};
+
+struct pf_vf_bulletin_content {
+ u32 crc; /* crc of structure to ensure is not in
+ * mid-update
+ */
+ u16 version;
+ u16 length;
+
+ aligned_u64 valid_bitmap; /* bitmap indicating which fields
+ * hold valid values
+ */
+
+#define MAC_ADDR_VALID 0 /* alert the vf that a new mac address
+ * is available for it
+ */
+#define VLAN_VALID 1 /* when set, the vf should not access
+ * the vfpf channel
+ */
+#define CHANNEL_DOWN 2 /* vfpf channel is disabled. VFs are not
+ * to attempt to send messages on the
+ * channel after this bit is set
+ */
+#define LINK_VALID 3 /* alert the VF thet a new link status
+ * update is available for it
+ */
+ u8 mac[ETH_ALEN];
+ u8 mac_padding[2];
+
+ u16 vlan;
+ u8 vlan_padding[6];
+
+ u16 link_speed; /* Effective line speed */
+ u8 link_speed_padding[6];
+ u32 link_flags; /* VFPF_LINK_REPORT_XXX flags */
+#define VFPF_LINK_REPORT_LINK_DOWN (1 << 0)
+#define VFPF_LINK_REPORT_FULL_DUPLEX (1 << 1)
+#define VFPF_LINK_REPORT_RX_FC_ON (1 << 2)
+#define VFPF_LINK_REPORT_TX_FC_ON (1 << 3)
+ u8 link_flags_padding[4];
+};
+
+union pf_vf_bulletin {
+ struct pf_vf_bulletin_content content;
+ struct pf_vf_bulletin_size size;
+};
+
+#define MAX_TLVS_IN_LIST 50
+
+enum channel_tlvs {
+ CHANNEL_TLV_NONE,
+ CHANNEL_TLV_ACQUIRE,
+ CHANNEL_TLV_INIT,
+ CHANNEL_TLV_SETUP_Q,
+ CHANNEL_TLV_SET_Q_FILTERS,
+ CHANNEL_TLV_ACTIVATE_Q,
+ CHANNEL_TLV_DEACTIVATE_Q,
+ CHANNEL_TLV_TEARDOWN_Q,
+ CHANNEL_TLV_CLOSE,
+ CHANNEL_TLV_RELEASE,
+ CHANNEL_TLV_UPDATE_RSS_DEPRECATED,
+ CHANNEL_TLV_PF_RELEASE_VF,
+ CHANNEL_TLV_LIST_END,
+ CHANNEL_TLV_FLR,
+ CHANNEL_TLV_PF_SET_MAC,
+ CHANNEL_TLV_PF_SET_VLAN,
+ CHANNEL_TLV_UPDATE_RSS,
+ CHANNEL_TLV_PHYS_PORT_ID,
+ CHANNEL_TLV_UPDATE_TPA,
+ CHANNEL_TLV_FP_HSI_SUPPORT,
+ CHANNEL_TLV_MAX
+};
+
+#endif /* CONFIG_BNX2X_SRIOV */
+#endif /* VF_PF_IF_H */
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