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path: root/drivers/net/ethernet/qlogic/qed/qed_vf.h
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Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_vf.h')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_vf.h102
1 files changed, 99 insertions, 3 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.h b/drivers/net/ethernet/qlogic/qed/qed_vf.h
index 34ac70b0e5fe..34d9b882a780 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_vf.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_vf.h
@@ -46,7 +46,8 @@ struct vf_pf_resc_request {
u8 num_mac_filters;
u8 num_vlan_filters;
u8 num_mc_filters;
- u16 padding;
+ u8 num_cids;
+ u8 padding;
};
struct hw_sb_info {
@@ -113,6 +114,17 @@ struct vfpf_acquire_tlv {
struct vf_pf_vfdev_info {
#define VFPF_ACQUIRE_CAP_PRE_FP_HSI (1 << 0) /* VF pre-FP hsi version */
#define VFPF_ACQUIRE_CAP_100G (1 << 1) /* VF can support 100g */
+ /* A requirement for supporting multi-Tx queues on a single queue-zone,
+ * VF would pass qids as additional information whenever passing queue
+ * references.
+ */
+#define VFPF_ACQUIRE_CAP_QUEUE_QIDS BIT(2)
+
+ /* The VF is using the physical bar. While this is mostly internal
+ * to the VF, might affect the number of CIDs supported assuming
+ * QUEUE_QIDS is set.
+ */
+#define VFPF_ACQUIRE_CAP_PHYSICAL_BAR BIT(3)
u64 capabilities;
u8 fw_major;
u8 fw_minor;
@@ -185,6 +197,9 @@ struct pfvf_acquire_resp_tlv {
*/
#define PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE BIT(2)
+ /* PF expects queues to be received with additional qids */
+#define PFVF_ACQUIRE_CAP_QUEUE_QIDS BIT(3)
+
u16 db_size;
u8 indices_per_sb;
u8 os_type;
@@ -193,7 +208,8 @@ struct pfvf_acquire_resp_tlv {
u16 chip_rev;
u8 dev_type;
- u8 padding;
+ /* Doorbell bar size configured in HW: log(size) or 0 */
+ u8 bar_size;
struct pfvf_stats_info stats_info;
@@ -221,7 +237,8 @@ struct pfvf_acquire_resp_tlv {
u8 num_mac_filters;
u8 num_vlan_filters;
u8 num_mc_filters;
- u8 padding[2];
+ u8 num_cids;
+ u8 padding;
} resc;
u32 bulletin_size;
@@ -234,6 +251,16 @@ struct pfvf_start_queue_resp_tlv {
u8 padding[4];
};
+/* Extended queue information - additional index for reference inside qzone.
+ * If commmunicated between VF/PF, each TLV relating to queues should be
+ * extended by one such [or have a future base TLV that already contains info].
+ */
+struct vfpf_qid_tlv {
+ struct channel_tlv tl;
+ u8 qid;
+ u8 padding[3];
+};
+
/* Setup Queue */
struct vfpf_start_rxq_tlv {
struct vfpf_first_tlv first_tlv;
@@ -597,6 +624,8 @@ enum {
CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN,
CHANNEL_TLV_VPORT_UPDATE_SGE_TPA,
CHANNEL_TLV_UPDATE_TUNN_PARAM,
+ CHANNEL_TLV_RESERVED,
+ CHANNEL_TLV_QID,
CHANNEL_TLV_MAX,
/* Required for iterating over vport-update tlvs.
@@ -605,6 +634,12 @@ enum {
CHANNEL_TLV_VPORT_UPDATE_MAX = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA + 1,
};
+/* Default number of CIDs [total of both Rx and Tx] to be requested
+ * by default, and maximum possible number.
+ */
+#define QED_ETH_VF_DEFAULT_NUM_CIDS (32)
+#define QED_ETH_VF_MAX_NUM_CIDS (250)
+
/* This data is held in the qed_hwfn structure for VFs only. */
struct qed_vf_iov {
union vfpf_tlvs *vf2pf_request;
@@ -627,6 +662,19 @@ struct qed_vf_iov {
* this has to be propagated as it affects the fastpath.
*/
bool b_pre_fp_hsi;
+
+ /* Current day VFs are passing the SBs physical address on vport
+ * start, and as they lack an IGU mapping they need to store the
+ * addresses of previously registered SBs.
+ * Even if we were to change configuration flow, due to backward
+ * compatibility [with older PFs] we'd still need to store these.
+ */
+ struct qed_sb_info *sbs_info[PFVF_MAX_SBS_PER_VF];
+
+ /* Determines whether VF utilizes doorbells via limited register
+ * bar or via the doorbell bar.
+ */
+ bool b_doorbell_bar;
};
#ifdef CONFIG_QED_SRIOV
@@ -676,6 +724,22 @@ void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs);
/**
+ * @brief Get number of Rx queues allocated for VF by qed
+ *
+ * @param p_hwfn
+ * @param num_txqs - allocated RX queues
+ */
+void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs);
+
+/**
+ * @brief Get number of available connections [both Rx and Tx] for VF
+ *
+ * @param p_hwfn
+ * @param num_cids - allocated number of connections
+ */
+void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids);
+
+/**
* @brief Get port mac address for VF
*
* @param p_hwfn
@@ -837,6 +901,16 @@ int qed_vf_pf_release(struct qed_hwfn *p_hwfn);
u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id);
/**
+ * @brief Stores [or removes] a configured sb_info.
+ *
+ * @param p_hwfn
+ * @param sb_id - zero-based SB index [for fastpath]
+ * @param sb_info - may be NULL [during removal].
+ */
+void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
+ u16 sb_id, struct qed_sb_info *p_sb);
+
+/**
* @brief qed_vf_pf_vport_start - perform vport start for VF.
*
* @param p_hwfn
@@ -917,6 +991,8 @@ void qed_iov_vf_task(struct work_struct *work);
void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun);
int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
struct qed_tunnel_info *p_tunn);
+
+u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id);
#else
static inline void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
struct qed_mcp_link_params *params)
@@ -938,6 +1014,14 @@ static inline void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
{
}
+static inline void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
+{
+}
+
+static inline void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
+{
+}
+
static inline void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
{
}
@@ -1021,6 +1105,11 @@ static inline u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
return 0;
}
+static inline void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn, u16 sb_id,
+ struct qed_sb_info *p_sb)
+{
+}
+
static inline int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
u8 vport_id,
u16 mtu,
@@ -1089,6 +1178,13 @@ static inline int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
{
return -EINVAL;
}
+
+static inline u32
+qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn,
+ enum BAR_ID bar_id)
+{
+ return 0;
+}
#endif
#endif