}
}
-static int qed_init_qm_info(struct qed_hwfn *p_hwfn, bool b_sleepable)
+/******************** QM initialization *******************/
+#define ACTIVE_TCS_BMAP 0x9f
+#define ACTIVE_TCS_BMAP_4PORT_K2 0xf
+
+/* determines the physical queue flags for a given PF. */
+static u32 qed_get_pq_flags(struct qed_hwfn *p_hwfn)
{
- u8 num_vports, vf_offset = 0, i, vport_id, num_ports, curr_queue = 0;
- struct qed_qm_info *qm_info = &p_hwfn->qm_info;
- struct init_qm_port_params *p_qm_port;
- bool init_rdma_offload_pq = false;
- bool init_pure_ack_pq = false;
- bool init_ooo_pq = false;
- u16 num_pqs, multi_cos_tcs = 1;
- u8 pf_wfq = qm_info->pf_wfq;
- u32 pf_rl = qm_info->pf_rl;
- u16 num_pf_rls = 0;
- u16 num_vfs = 0;
-
-#ifdef CONFIG_QED_SRIOV
- if (p_hwfn->cdev->p_iov_info)
- num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
-#endif
- memset(qm_info, 0, sizeof(*qm_info));
+ u32 flags;
- num_pqs = multi_cos_tcs + num_vfs + 1; /* The '1' is for pure-LB */
- num_vports = (u8)RESC_NUM(p_hwfn, QED_VPORT);
+ /* common flags */
+ flags = PQ_FLAGS_LB;
- if (p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE) {
- num_pqs++; /* for RoCE queue */
- init_rdma_offload_pq = true;
- /* we subtract num_vfs because each require a rate limiter,
- * and one default rate limiter
- */
- if (p_hwfn->pf_params.rdma_pf_params.enable_dcqcn)
- num_pf_rls = RESC_NUM(p_hwfn, QED_RL) - num_vfs - 1;
+ /* feature flags */
+ if (IS_QED_SRIOV(p_hwfn->cdev))
+ flags |= PQ_FLAGS_VFS;
- num_pqs += num_pf_rls;
- qm_info->num_pf_rls = (u8) num_pf_rls;
+ /* protocol flags */
+ switch (p_hwfn->hw_info.personality) {
+ case QED_PCI_ETH:
+ flags |= PQ_FLAGS_MCOS;
+ break;
+ case QED_PCI_FCOE:
+ flags |= PQ_FLAGS_OFLD;
+ break;
+ case QED_PCI_ISCSI:
+ flags |= PQ_FLAGS_ACK | PQ_FLAGS_OOO | PQ_FLAGS_OFLD;
+ break;
+ case QED_PCI_ETH_ROCE:
+ flags |= PQ_FLAGS_MCOS | PQ_FLAGS_OFLD | PQ_FLAGS_LLT;
+ break;
+ default:
+ DP_ERR(p_hwfn,
+ "unknown personality %d\n", p_hwfn->hw_info.personality);
+ return 0;
}
- if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
- num_pqs += 2; /* for iSCSI pure-ACK / OOO queue */
- init_pure_ack_pq = true;
- init_ooo_pq = true;
- }
+ return flags;
+}
- /* Sanity checking that setup requires legal number of resources */
- if (num_pqs > RESC_NUM(p_hwfn, QED_PQ)) {
- DP_ERR(p_hwfn,
- "Need too many Physical queues - 0x%04x when only %04x are available\n",
- num_pqs, RESC_NUM(p_hwfn, QED_PQ));
- return -EINVAL;
- }
+/* Getters for resource amounts necessary for qm initialization */
+u8 qed_init_qm_get_num_tcs(struct qed_hwfn *p_hwfn)
+{
+ return p_hwfn->hw_info.num_hw_tc;
+}
- /* PQs will be arranged as follows: First per-TC PQ then pure-LB quete.
- */
- qm_info->qm_pq_params = kcalloc(num_pqs,
- sizeof(struct init_qm_pq_params),
- b_sleepable ? GFP_KERNEL : GFP_ATOMIC);
- if (!qm_info->qm_pq_params)
- goto alloc_err;
+u16 qed_init_qm_get_num_vfs(struct qed_hwfn *p_hwfn)
+{
+ return IS_QED_SRIOV(p_hwfn->cdev) ?
+ p_hwfn->cdev->p_iov_info->total_vfs : 0;
+}
- qm_info->qm_vport_params = kcalloc(num_vports,
- sizeof(struct init_qm_vport_params),
- b_sleepable ? GFP_KERNEL
- : GFP_ATOMIC);
- if (!qm_info->qm_vport_params)
- goto alloc_err;
+#define NUM_DEFAULT_RLS 1
- qm_info->qm_port_params = kcalloc(MAX_NUM_PORTS,
- sizeof(struct init_qm_port_params),
- b_sleepable ? GFP_KERNEL
- : GFP_ATOMIC);
- if (!qm_info->qm_port_params)
- goto alloc_err;
+u16 qed_init_qm_get_num_pf_rls(struct qed_hwfn *p_hwfn)
+{
+ u16 num_pf_rls, num_vfs = qed_init_qm_get_num_vfs(p_hwfn);
- qm_info->wfq_data = kcalloc(num_vports, sizeof(struct qed_wfq_data),
- b_sleepable ? GFP_KERNEL : GFP_ATOMIC);
- if (!qm_info->wfq_data)
- goto alloc_err;
+ /* num RLs can't exceed resource amount of rls or vports */
+ num_pf_rls = (u16) min_t(u32, RESC_NUM(p_hwfn, QED_RL),
+ RESC_NUM(p_hwfn, QED_VPORT));
- vport_id = (u8)RESC_START(p_hwfn, QED_VPORT);
+ /* Make sure after we reserve there's something left */
+ if (num_pf_rls < num_vfs + NUM_DEFAULT_RLS)
+ return 0;
- /* First init rate limited queues */
- for (curr_queue = 0; curr_queue < num_pf_rls; curr_queue++) {
- qm_info->qm_pq_params[curr_queue].vport_id = vport_id++;
- qm_info->qm_pq_params[curr_queue].tc_id =
- p_hwfn->hw_info.non_offload_tc;
- qm_info->qm_pq_params[curr_queue].wrr_group = 1;
- qm_info->qm_pq_params[curr_queue].rl_valid = 1;
- }
+ /* subtract rls necessary for VFs and one default one for the PF */
+ num_pf_rls -= num_vfs + NUM_DEFAULT_RLS;
- /* First init per-TC PQs */
- for (i = 0; i < multi_cos_tcs; i++) {
- struct init_qm_pq_params *params =
- &qm_info->qm_pq_params[curr_queue++];
+ return num_pf_rls;
+}
- if (p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE ||
- p_hwfn->hw_info.personality == QED_PCI_ETH) {
- params->vport_id = vport_id;
- params->tc_id = p_hwfn->hw_info.non_offload_tc;
- params->wrr_group = 1;
- } else {
- params->vport_id = vport_id;
- params->tc_id = p_hwfn->hw_info.offload_tc;
- params->wrr_group = 1;
- }
- }
+u16 qed_init_qm_get_num_vports(struct qed_hwfn *p_hwfn)
+{
+ u32 pq_flags = qed_get_pq_flags(p_hwfn);
+
+ /* all pqs share the same vport, except for vfs and pf_rl pqs */
+ return (!!(PQ_FLAGS_RLS & pq_flags)) *
+ qed_init_qm_get_num_pf_rls(p_hwfn) +
+ (!!(PQ_FLAGS_VFS & pq_flags)) *
+ qed_init_qm_get_num_vfs(p_hwfn) + 1;
+}
+
+/* calc amount of PQs according to the requested flags */
+u16 qed_init_qm_get_num_pqs(struct qed_hwfn *p_hwfn)
+{
+ u32 pq_flags = qed_get_pq_flags(p_hwfn);
+
+ return (!!(PQ_FLAGS_RLS & pq_flags)) *
+ qed_init_qm_get_num_pf_rls(p_hwfn) +
+ (!!(PQ_FLAGS_MCOS & pq_flags)) *
+ qed_init_qm_get_num_tcs(p_hwfn) +
+ (!!(PQ_FLAGS_LB & pq_flags)) + (!!(PQ_FLAGS_OOO & pq_flags)) +
+ (!!(PQ_FLAGS_ACK & pq_flags)) + (!!(PQ_FLAGS_OFLD & pq_flags)) +
+ (!!(PQ_FLAGS_LLT & pq_flags)) +
+ (!!(PQ_FLAGS_VFS & pq_flags)) * qed_init_qm_get_num_vfs(p_hwfn);
+}
+
+/* initialize the top level QM params */
+static void qed_init_qm_params(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+ bool four_port;
+
+ /* pq and vport bases for this PF */
+ qm_info->start_pq = (u16) RESC_START(p_hwfn, QED_PQ);
+ qm_info->start_vport = (u8) RESC_START(p_hwfn, QED_VPORT);
- /* Then init pure-LB PQ */
- qm_info->pure_lb_pq = curr_queue;
- qm_info->qm_pq_params[curr_queue].vport_id =
- (u8) RESC_START(p_hwfn, QED_VPORT);
- qm_info->qm_pq_params[curr_queue].tc_id = PURE_LB_TC;
- qm_info->qm_pq_params[curr_queue].wrr_group = 1;
- curr_queue++;
-
- qm_info->offload_pq = 0;
- if (init_rdma_offload_pq) {
- qm_info->offload_pq = curr_queue;
- qm_info->qm_pq_params[curr_queue].vport_id = vport_id;
- qm_info->qm_pq_params[curr_queue].tc_id =
- p_hwfn->hw_info.offload_tc;
- qm_info->qm_pq_params[curr_queue].wrr_group = 1;
- curr_queue++;
- }
-
- if (init_pure_ack_pq) {
- qm_info->pure_ack_pq = curr_queue;
- qm_info->qm_pq_params[curr_queue].vport_id = vport_id;
- qm_info->qm_pq_params[curr_queue].tc_id =
- p_hwfn->hw_info.offload_tc;
- qm_info->qm_pq_params[curr_queue].wrr_group = 1;
- curr_queue++;
- }
-
- if (init_ooo_pq) {
- qm_info->ooo_pq = curr_queue;
- qm_info->qm_pq_params[curr_queue].vport_id = vport_id;
- qm_info->qm_pq_params[curr_queue].tc_id = DCBX_ISCSI_OOO_TC;
- qm_info->qm_pq_params[curr_queue].wrr_group = 1;
- curr_queue++;
- }
-
- /* Then init per-VF PQs */
- vf_offset = curr_queue;
- for (i = 0; i < num_vfs; i++) {
- /* First vport is used by the PF */
- qm_info->qm_pq_params[curr_queue].vport_id = vport_id + i + 1;
- qm_info->qm_pq_params[curr_queue].tc_id =
- p_hwfn->hw_info.non_offload_tc;
- qm_info->qm_pq_params[curr_queue].wrr_group = 1;
- qm_info->qm_pq_params[curr_queue].rl_valid = 1;
- curr_queue++;
- }
-
- qm_info->vf_queues_offset = vf_offset;
- qm_info->num_pqs = num_pqs;
- qm_info->num_vports = num_vports;
+ /* rate limiting and weighted fair queueing are always enabled */
+ qm_info->vport_rl_en = 1;
+ qm_info->vport_wfq_en = 1;
+
+ /* TC config is different for AH 4 port */
+ four_port = p_hwfn->cdev->num_ports_in_engines == MAX_NUM_PORTS_K2;
+
+ /* in AH 4 port we have fewer TCs per port */
+ qm_info->max_phys_tcs_per_port = four_port ? NUM_PHYS_TCS_4PORT_K2 :
+ NUM_OF_PHYS_TCS;
+
+ /* unless MFW indicated otherwise, ooo_tc == 3 for
+ * AH 4-port and 4 otherwise.
+ */
+ if (!qm_info->ooo_tc)
+ qm_info->ooo_tc = four_port ? DCBX_TCP_OOO_K2_4PORT_TC :
+ DCBX_TCP_OOO_TC;
+}
+
+/* initialize qm vport params */
+static void qed_init_qm_vport_params(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+ u8 i;
+
+ /* all vports participate in weighted fair queueing */
+ for (i = 0; i < qed_init_qm_get_num_vports(p_hwfn); i++)
+ qm_info->qm_vport_params[i].vport_wfq = 1;
+}
+/* initialize qm port params */
+static void qed_init_qm_port_params(struct qed_hwfn *p_hwfn)
+{
/* Initialize qm port parameters */
- num_ports = p_hwfn->cdev->num_ports_in_engines;
+ u8 i, active_phys_tcs, num_ports = p_hwfn->cdev->num_ports_in_engines;
+
+ /* indicate how ooo and high pri traffic is dealt with */
+ active_phys_tcs = num_ports == MAX_NUM_PORTS_K2 ?
+ ACTIVE_TCS_BMAP_4PORT_K2 :
+ ACTIVE_TCS_BMAP;
+
for (i = 0; i < num_ports; i++) {
- p_qm_port = &qm_info->qm_port_params[i];
+ struct init_qm_port_params *p_qm_port =
+ &p_hwfn->qm_info.qm_port_params[i];
+
p_qm_port->active = 1;
- if (num_ports == 4)
- p_qm_port->active_phys_tcs = 0x7;
- else
- p_qm_port->active_phys_tcs = 0x9f;
+ p_qm_port->active_phys_tcs = active_phys_tcs;
p_qm_port->num_pbf_cmd_lines = PBF_MAX_CMD_LINES / num_ports;
p_qm_port->num_btb_blocks = BTB_MAX_BLOCKS / num_ports;
}
+}
+
+/* Reset the params which must be reset for qm init. QM init may be called as
+ * a result of flows other than driver load (e.g. dcbx renegotiation). Other
+ * params may be affected by the init but would simply recalculate to the same
+ * values. The allocations made for QM init, ports, vports, pqs and vfqs are not
+ * affected as these amounts stay the same.
+ */
+static void qed_init_qm_reset_params(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+
+ qm_info->num_pqs = 0;
+ qm_info->num_vports = 0;
+ qm_info->num_pf_rls = 0;
+ qm_info->num_vf_pqs = 0;
+ qm_info->first_vf_pq = 0;
+ qm_info->first_mcos_pq = 0;
+ qm_info->first_rl_pq = 0;
+}
+
+static void qed_init_qm_advance_vport(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+
+ qm_info->num_vports++;
+
+ if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn))
+ DP_ERR(p_hwfn,
+ "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n",
+ qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn));
+}
+
+/* initialize a single pq and manage qm_info resources accounting.
+ * The pq_init_flags param determines whether the PQ is rate limited
+ * (for VF or PF) and whether a new vport is allocated to the pq or not
+ * (i.e. vport will be shared).
+ */
+
+/* flags for pq init */
+#define PQ_INIT_SHARE_VPORT (1 << 0)
+#define PQ_INIT_PF_RL (1 << 1)
+#define PQ_INIT_VF_RL (1 << 2)
+
+/* defines for pq init */
+#define PQ_INIT_DEFAULT_WRR_GROUP 1
+#define PQ_INIT_DEFAULT_TC 0
+#define PQ_INIT_OFLD_TC (p_hwfn->hw_info.offload_tc)
+
+static void qed_init_qm_pq(struct qed_hwfn *p_hwfn,
+ struct qed_qm_info *qm_info,
+ u8 tc, u32 pq_init_flags)
+{
+ u16 pq_idx = qm_info->num_pqs, max_pq = qed_init_qm_get_num_pqs(p_hwfn);
+
+ if (pq_idx > max_pq)
+ DP_ERR(p_hwfn,
+ "pq overflow! pq %d, max pq %d\n", pq_idx, max_pq);
+
+ /* init pq params */
+ qm_info->qm_pq_params[pq_idx].vport_id = qm_info->start_vport +
+ qm_info->num_vports;
+ qm_info->qm_pq_params[pq_idx].tc_id = tc;
+ qm_info->qm_pq_params[pq_idx].wrr_group = PQ_INIT_DEFAULT_WRR_GROUP;
+ qm_info->qm_pq_params[pq_idx].rl_valid =
+ (pq_init_flags & PQ_INIT_PF_RL || pq_init_flags & PQ_INIT_VF_RL);
+
+ /* qm params accounting */
+ qm_info->num_pqs++;
+ if (!(pq_init_flags & PQ_INIT_SHARE_VPORT))
+ qm_info->num_vports++;
+
+ if (pq_init_flags & PQ_INIT_PF_RL)
+ qm_info->num_pf_rls++;
+
+ if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn))
+ DP_ERR(p_hwfn,
+ "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n",
+ qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn));
+
+ if (qm_info->num_pf_rls > qed_init_qm_get_num_pf_rls(p_hwfn))
+ DP_ERR(p_hwfn,
+ "rl overflow! qm_info->num_pf_rls %d, qm_init_get_num_pf_rls() %d\n",
+ qm_info->num_pf_rls, qed_init_qm_get_num_pf_rls(p_hwfn));
+}
+
+/* get pq index according to PQ_FLAGS */
+static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn,
+ u32 pq_flags)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+
+ /* Can't have multiple flags set here */
+ if (bitmap_weight((unsigned long *)&pq_flags, sizeof(pq_flags)) > 1)
+ goto err;
+
+ switch (pq_flags) {
+ case PQ_FLAGS_RLS:
+ return &qm_info->first_rl_pq;
+ case PQ_FLAGS_MCOS:
+ return &qm_info->first_mcos_pq;
+ case PQ_FLAGS_LB:
+ return &qm_info->pure_lb_pq;
+ case PQ_FLAGS_OOO:
+ return &qm_info->ooo_pq;
+ case PQ_FLAGS_ACK:
+ return &qm_info->pure_ack_pq;
+ case PQ_FLAGS_OFLD:
+ return &qm_info->offload_pq;
+ case PQ_FLAGS_LLT:
+ return &qm_info->low_latency_pq;
+ case PQ_FLAGS_VFS:
+ return &qm_info->first_vf_pq;
+ default:
+ goto err;
+ }
+
+err:
+ DP_ERR(p_hwfn, "BAD pq flags %d\n", pq_flags);
+ return NULL;
+}
+
+/* save pq index in qm info */
+static void qed_init_qm_set_idx(struct qed_hwfn *p_hwfn,
+ u32 pq_flags, u16 pq_val)
+{
+ u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags);
+
+ *base_pq_idx = p_hwfn->qm_info.start_pq + pq_val;
+}
+
+/* get tx pq index, with the PQ TX base already set (ready for context init) */
+u16 qed_get_cm_pq_idx(struct qed_hwfn *p_hwfn, u32 pq_flags)
+{
+ u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags);
+
+ return *base_pq_idx + CM_TX_PQ_BASE;
+}
+
+u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 tc)
+{
+ u8 max_tc = qed_init_qm_get_num_tcs(p_hwfn);
+
+ if (tc > max_tc)
+ DP_ERR(p_hwfn, "tc %d must be smaller than %d\n", tc, max_tc);
+
+ return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_MCOS) + tc;
+}
+
+u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf)
+{
+ u16 max_vf = qed_init_qm_get_num_vfs(p_hwfn);
+
+ if (vf > max_vf)
+ DP_ERR(p_hwfn, "vf %d must be smaller than %d\n", vf, max_vf);
+
+ return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_VFS) + vf;
+}
+
+u16 qed_get_cm_pq_idx_rl(struct qed_hwfn *p_hwfn, u8 rl)
+{
+ u16 max_rl = qed_init_qm_get_num_pf_rls(p_hwfn);
+
+ if (rl > max_rl)
+ DP_ERR(p_hwfn, "rl %d must be smaller than %d\n", rl, max_rl);
+
+ return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_RLS) + rl;
+}
- qm_info->max_phys_tcs_per_port = NUM_OF_PHYS_TCS;
+/* Functions for creating specific types of pqs */
+static void qed_init_qm_lb_pq(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+
+ if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LB))
+ return;
+
+ qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LB, qm_info->num_pqs);
+ qed_init_qm_pq(p_hwfn, qm_info, PURE_LB_TC, PQ_INIT_SHARE_VPORT);
+}
+
+static void qed_init_qm_ooo_pq(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+
+ if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OOO))
+ return;
+
+ qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OOO, qm_info->num_pqs);
+ qed_init_qm_pq(p_hwfn, qm_info, qm_info->ooo_tc, PQ_INIT_SHARE_VPORT);
+}
+
+static void qed_init_qm_pure_ack_pq(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+
+ if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_ACK))
+ return;
+
+ qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_ACK, qm_info->num_pqs);
+ qed_init_qm_pq(p_hwfn, qm_info, PQ_INIT_OFLD_TC, PQ_INIT_SHARE_VPORT);
+}
+
+static void qed_init_qm_offload_pq(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+
+ if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OFLD))
+ return;
+
+ qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OFLD, qm_info->num_pqs);
+ qed_init_qm_pq(p_hwfn, qm_info, PQ_INIT_OFLD_TC, PQ_INIT_SHARE_VPORT);
+}
+
+static void qed_init_qm_low_latency_pq(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+
+ if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LLT))
+ return;
- qm_info->start_pq = (u16)RESC_START(p_hwfn, QED_PQ);
+ qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LLT, qm_info->num_pqs);
+ qed_init_qm_pq(p_hwfn, qm_info, PQ_INIT_OFLD_TC, PQ_INIT_SHARE_VPORT);
+}
+
+static void qed_init_qm_mcos_pqs(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+ u8 tc_idx;
+
+ if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_MCOS))
+ return;
+
+ qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_MCOS, qm_info->num_pqs);
+ for (tc_idx = 0; tc_idx < qed_init_qm_get_num_tcs(p_hwfn); tc_idx++)
+ qed_init_qm_pq(p_hwfn, qm_info, tc_idx, PQ_INIT_SHARE_VPORT);
+}
+static void qed_init_qm_vf_pqs(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+ u16 vf_idx, num_vfs = qed_init_qm_get_num_vfs(p_hwfn);
+
+ if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_VFS))
+ return;
+
+ qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_VFS, qm_info->num_pqs);
qm_info->num_vf_pqs = num_vfs;
- qm_info->start_vport = (u8) RESC_START(p_hwfn, QED_VPORT);
+ for (vf_idx = 0; vf_idx < num_vfs; vf_idx++)
+ qed_init_qm_pq(p_hwfn,
+ qm_info, PQ_INIT_DEFAULT_TC, PQ_INIT_VF_RL);
+}
- for (i = 0; i < qm_info->num_vports; i++)
- qm_info->qm_vport_params[i].vport_wfq = 1;
+static void qed_init_qm_rl_pqs(struct qed_hwfn *p_hwfn)
+{
+ u16 pf_rls_idx, num_pf_rls = qed_init_qm_get_num_pf_rls(p_hwfn);
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
- qm_info->vport_rl_en = 1;
- qm_info->vport_wfq_en = 1;
- qm_info->pf_rl = pf_rl;
- qm_info->pf_wfq = pf_wfq;
+ if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_RLS))
+ return;
+
+ qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_RLS, qm_info->num_pqs);
+ for (pf_rls_idx = 0; pf_rls_idx < num_pf_rls; pf_rls_idx++)
+ qed_init_qm_pq(p_hwfn, qm_info, PQ_INIT_OFLD_TC, PQ_INIT_PF_RL);
+}
+
+static void qed_init_qm_pq_params(struct qed_hwfn *p_hwfn)
+{
+ /* rate limited pqs, must come first (FW assumption) */
+ qed_init_qm_rl_pqs(p_hwfn);
+
+ /* pqs for multi cos */
+ qed_init_qm_mcos_pqs(p_hwfn);
+
+ /* pure loopback pq */
+ qed_init_qm_lb_pq(p_hwfn);
+
+ /* out of order pq */
+ qed_init_qm_ooo_pq(p_hwfn);
+
+ /* pure ack pq */
+ qed_init_qm_pure_ack_pq(p_hwfn);
+
+ /* pq for offloaded protocol */
+ qed_init_qm_offload_pq(p_hwfn);
+
+ /* low latency pq */
+ qed_init_qm_low_latency_pq(p_hwfn);
+
+ /* done sharing vports */
+ qed_init_qm_advance_vport(p_hwfn);
+
+ /* pqs for vfs */
+ qed_init_qm_vf_pqs(p_hwfn);
+}
+
+/* compare values of getters against resources amounts */
+static int qed_init_qm_sanity(struct qed_hwfn *p_hwfn)
+{
+ if (qed_init_qm_get_num_vports(p_hwfn) > RESC_NUM(p_hwfn, QED_VPORT)) {
+ DP_ERR(p_hwfn, "requested amount of vports exceeds resource\n");
+ return -EINVAL;
+ }
+
+ if (qed_init_qm_get_num_pqs(p_hwfn) > RESC_NUM(p_hwfn, QED_PQ)) {
+ DP_ERR(p_hwfn, "requested amount of pqs exceeds resource\n");
+ return -EINVAL;
+ }
return 0;
+}
-alloc_err:
- qed_qm_info_free(p_hwfn);
- return -ENOMEM;
+static void qed_dp_init_qm_params(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+ struct init_qm_vport_params *vport;
+ struct init_qm_port_params *port;
+ struct init_qm_pq_params *pq;
+ int i, tc;
+
+ /* top level params */
+ DP_VERBOSE(p_hwfn,
+ NETIF_MSG_HW,
+ "qm init top level params: start_pq %d, start_vport %d, pure_lb_pq %d, offload_pq %d, pure_ack_pq %d\n",
+ qm_info->start_pq,
+ qm_info->start_vport,
+ qm_info->pure_lb_pq,
+ qm_info->offload_pq, qm_info->pure_ack_pq);
+ DP_VERBOSE(p_hwfn,
+ NETIF_MSG_HW,
+ "ooo_pq %d, first_vf_pq %d, num_pqs %d, num_vf_pqs %d, num_vports %d, max_phys_tcs_per_port %d\n",
+ qm_info->ooo_pq,
+ qm_info->first_vf_pq,
+ qm_info->num_pqs,
+ qm_info->num_vf_pqs,
+ qm_info->num_vports, qm_info->max_phys_tcs_per_port);
+ DP_VERBOSE(p_hwfn,
+ NETIF_MSG_HW,
+ "pf_rl_en %d, pf_wfq_en %d, vport_rl_en %d, vport_wfq_en %d, pf_wfq %d, pf_rl %d, num_pf_rls %d, pq_flags %x\n",
+ qm_info->pf_rl_en,
+ qm_info->pf_wfq_en,
+ qm_info->vport_rl_en,
+ qm_info->vport_wfq_en,
+ qm_info->pf_wfq,
+ qm_info->pf_rl,
+ qm_info->num_pf_rls, qed_get_pq_flags(p_hwfn));
+
+ /* port table */
+ for (i = 0; i < p_hwfn->cdev->num_ports_in_engines; i++) {
+ port = &(qm_info->qm_port_params[i]);
+ DP_VERBOSE(p_hwfn,
+ NETIF_MSG_HW,
+ "port idx %d, active %d, active_phys_tcs %d, num_pbf_cmd_lines %d, num_btb_blocks %d, reserved %d\n",
+ i,
+ port->active,
+ port->active_phys_tcs,
+ port->num_pbf_cmd_lines,
+ port->num_btb_blocks, port->reserved);
+ }
+
+ /* vport table */
+ for (i = 0; i < qm_info->num_vports; i++) {
+ vport = &(qm_info->qm_vport_params[i]);
+ DP_VERBOSE(p_hwfn,
+ NETIF_MSG_HW,
+ "vport idx %d, vport_rl %d, wfq %d, first_tx_pq_id [ ",
+ qm_info->start_vport + i,
+ vport->vport_rl, vport->vport_wfq);
+ for (tc = 0; tc < NUM_OF_TCS; tc++)
+ DP_VERBOSE(p_hwfn,
+ NETIF_MSG_HW,
+ "%d ", vport->first_tx_pq_id[tc]);
+ DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "]\n");
+ }
+
+ /* pq table */
+ for (i = 0; i < qm_info->num_pqs; i++) {
+ pq = &(qm_info->qm_pq_params[i]);
+ DP_VERBOSE(p_hwfn,
+ NETIF_MSG_HW,
+ "pq idx %d, vport_id %d, tc %d, wrr_grp %d, rl_valid %d\n",
+ qm_info->start_pq + i,
+ pq->vport_id,
+ pq->tc_id, pq->wrr_group, pq->rl_valid);
+ }
+}
+
+static void qed_init_qm_info(struct qed_hwfn *p_hwfn)
+{
+ /* reset params required for init run */
+ qed_init_qm_reset_params(p_hwfn);
+
+ /* init QM top level params */
+ qed_init_qm_params(p_hwfn);
+
+ /* init QM port params */
+ qed_init_qm_port_params(p_hwfn);
+
+ /* init QM vport params */
+ qed_init_qm_vport_params(p_hwfn);
+
+ /* init QM physical queue params */
+ qed_init_qm_pq_params(p_hwfn);
+
+ /* display all that init */
+ qed_dp_init_qm_params(p_hwfn);
}
/* This function reconfigures the QM pf on the fly.
bool b_rc;
int rc;
- /* qm_info is allocated in qed_init_qm_info() which is already called
- * from qed_resc_alloc() or previous call of qed_qm_reconf().
- * The allocated size may change each init, so we free it before next
- * allocation.
- */
- qed_qm_info_free(p_hwfn);
-
/* initialize qed's qm data structure */
- rc = qed_init_qm_info(p_hwfn, false);
- if (rc)
- return rc;
+ qed_init_qm_info(p_hwfn);
/* stop PF's qm queues */
spin_lock_bh(&qm_lock);
return 0;
}
+static int qed_alloc_qm_data(struct qed_hwfn *p_hwfn)
+{
+ struct qed_qm_info *qm_info = &p_hwfn->qm_info;
+ int rc;
+
+ rc = qed_init_qm_sanity(p_hwfn);
+ if (rc)
+ goto alloc_err;
+
+ qm_info->qm_pq_params = kzalloc(sizeof(*qm_info->qm_pq_params) *
+ qed_init_qm_get_num_pqs(p_hwfn),
+ GFP_KERNEL);
+ if (!qm_info->qm_pq_params)
+ goto alloc_err;
+
+ qm_info->qm_vport_params = kzalloc(sizeof(*qm_info->qm_vport_params) *
+ qed_init_qm_get_num_vports(p_hwfn),
+ GFP_KERNEL);
+ if (!qm_info->qm_vport_params)
+ goto alloc_err;
+
+ qm_info->qm_port_params = kzalloc(sizeof(qm_info->qm_port_params) *
+ p_hwfn->cdev->num_ports_in_engines,
+ GFP_KERNEL);
+ if (!qm_info->qm_port_params)
+ goto alloc_err;
+
+ qm_info->wfq_data = kzalloc(sizeof(*qm_info->wfq_data) *
+ qed_init_qm_get_num_vports(p_hwfn),
+ GFP_KERNEL);
+ if (!qm_info->wfq_data)
+ goto alloc_err;
+
+ return 0;
+
+alloc_err:
+ DP_NOTICE(p_hwfn, "Failed to allocate memory for QM params\n");
+ qed_qm_info_free(p_hwfn);
+ return -ENOMEM;
+}
+
int qed_resc_alloc(struct qed_dev *cdev)
{
struct qed_iscsi_info *p_iscsi_info;
if (rc)
goto alloc_err;
- /* Prepare and process QM requirements */
- rc = qed_init_qm_info(p_hwfn, true);
+ rc = qed_alloc_qm_data(p_hwfn);
if (rc)
goto alloc_err;
+ /* init qm info */
+ qed_init_qm_info(p_hwfn);
+
/* Compute the ILT client partition */
rc = qed_cxt_cfg_ilt_compute(p_hwfn);
if (rc)
p_hwfn->hw_info.personality = protocol;
}
+ p_hwfn->hw_info.num_hw_tc = NUM_PHYS_TCS_4PORT_K2;
+ p_hwfn->hw_info.num_active_tc = 1;
+
qed_get_num_funcs(p_hwfn, p_ptt);
if (qed_mcp_is_init(p_hwfn))
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff