DLB2_CSR_RD(hw, DLB2_SYS_TOTAL_VAS);
}
-static void dlb2_dir_port_cq_disable(struct dlb2_hw *hw,
- struct dlb2_dir_pq_pair *port)
-{
- union dlb2_lsp_cq_dir_dsbl reg;
-
- reg.field.disabled = 1;
-
- DLB2_CSR_WR(hw, DLB2_LSP_CQ_DIR_DSBL(port->id.phys_id), reg.val);
-
- dlb2_flush_csr(hw);
-}
-
-static u32 dlb2_dir_cq_token_count(struct dlb2_hw *hw,
- struct dlb2_dir_pq_pair *port)
-{
- union dlb2_lsp_cq_dir_tkn_cnt r0;
-
- r0.val = DLB2_CSR_RD(hw, DLB2_LSP_CQ_DIR_TKN_CNT(port->id.phys_id));
-
- /*
- * Account for the initial token count, which is used in order to
- * provide a CQ with depth less than 8.
- */
-
- return r0.field.count - port->init_tkn_cnt;
-}
-
-static int dlb2_drain_dir_cq(struct dlb2_hw *hw,
- struct dlb2_dir_pq_pair *port)
-{
- unsigned int port_id = port->id.phys_id;
- u32 cnt;
-
- /* Return any outstanding tokens */
- cnt = dlb2_dir_cq_token_count(hw, port);
-
- if (cnt != 0) {
- struct dlb2_hcw hcw_mem[8], *hcw;
- void *pp_addr;
-
- pp_addr = os_map_producer_port(hw, port_id, false);
-
- /* Point hcw to a 64B-aligned location */
- hcw = (struct dlb2_hcw *)((uintptr_t)&hcw_mem[4] & ~0x3F);
-
- /*
- * Program the first HCW for a batch token return and
- * the rest as NOOPS
- */
- memset(hcw, 0, 4 * sizeof(*hcw));
- hcw->cq_token = 1;
- hcw->lock_id = cnt - 1;
-
- dlb2_movdir64b(pp_addr, hcw);
-
- os_fence_hcw(hw, pp_addr);
-
- os_unmap_producer_port(hw, pp_addr);
- }
-
- return 0;
-}
-
static void dlb2_dir_port_cq_enable(struct dlb2_hw *hw,
struct dlb2_dir_pq_pair *port)
{
dlb2_flush_csr(hw);
}
-static int dlb2_domain_drain_dir_cqs(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain,
- bool toggle_port)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_dir_pq_pair *port;
- int ret;
- RTE_SET_USED(iter);
-
- DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter) {
- /*
- * Can't drain a port if it's not configured, and there's
- * nothing to drain if its queue is unconfigured.
- */
- if (!port->port_configured || !port->queue_configured)
- continue;
-
- if (toggle_port)
- dlb2_dir_port_cq_disable(hw, port);
-
- ret = dlb2_drain_dir_cq(hw, port);
- if (ret < 0)
- return ret;
-
- if (toggle_port)
- dlb2_dir_port_cq_enable(hw, port);
- }
-
- return 0;
-}
-
static u32 dlb2_dir_queue_depth(struct dlb2_hw *hw,
struct dlb2_dir_pq_pair *queue)
{
return r0.field.count;
}
-static bool dlb2_dir_queue_is_empty(struct dlb2_hw *hw,
- struct dlb2_dir_pq_pair *queue)
-{
- return dlb2_dir_queue_depth(hw, queue) == 0;
-}
-
-static bool dlb2_domain_dir_queues_empty(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_dir_pq_pair *queue;
- RTE_SET_USED(iter);
-
- DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, queue, iter) {
- if (!dlb2_dir_queue_is_empty(hw, queue))
- return false;
- }
-
- return true;
-}
-
-static int dlb2_domain_drain_dir_queues(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- int i, ret;
-
- /* If the domain hasn't been started, there's no traffic to drain */
- if (!domain->started)
- return 0;
-
- for (i = 0; i < DLB2_MAX_QID_EMPTY_CHECK_LOOPS; i++) {
- ret = dlb2_domain_drain_dir_cqs(hw, domain, true);
- if (ret < 0)
- return ret;
-
- if (dlb2_domain_dir_queues_empty(hw, domain))
- break;
- }
-
- if (i == DLB2_MAX_QID_EMPTY_CHECK_LOOPS) {
- DLB2_HW_ERR(hw,
- "[%s()] Internal error: failed to empty queues\n",
- __func__);
- return -EFAULT;
- }
-
- /*
- * Drain the CQs one more time. For the queues to go empty, they would
- * have scheduled one or more QEs.
- */
- ret = dlb2_domain_drain_dir_cqs(hw, domain, true);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
static void dlb2_ldb_port_cq_enable(struct dlb2_hw *hw,
struct dlb2_ldb_port *port)
{
dlb2_flush_csr(hw);
}
-static u32 dlb2_ldb_cq_inflight_count(struct dlb2_hw *hw,
- struct dlb2_ldb_port *port)
-{
- union dlb2_lsp_cq_ldb_infl_cnt r0;
-
- r0.val = DLB2_CSR_RD(hw, DLB2_LSP_CQ_LDB_INFL_CNT(port->id.phys_id));
-
- return r0.field.count;
-}
-
-static u32 dlb2_ldb_cq_token_count(struct dlb2_hw *hw,
- struct dlb2_ldb_port *port)
-{
- union dlb2_lsp_cq_ldb_tkn_cnt r0;
-
- r0.val = DLB2_CSR_RD(hw, DLB2_LSP_CQ_LDB_TKN_CNT(port->id.phys_id));
-
- /*
- * Account for the initial token count, which is used in order to
- * provide a CQ with depth less than 8.
- */
-
- return r0.field.token_count - port->init_tkn_cnt;
-}
-
-static int dlb2_drain_ldb_cq(struct dlb2_hw *hw, struct dlb2_ldb_port *port)
-{
- u32 infl_cnt, tkn_cnt;
- unsigned int i;
-
- infl_cnt = dlb2_ldb_cq_inflight_count(hw, port);
- tkn_cnt = dlb2_ldb_cq_token_count(hw, port);
-
- if (infl_cnt || tkn_cnt) {
- struct dlb2_hcw hcw_mem[8], *hcw;
- void *pp_addr;
-
- pp_addr = os_map_producer_port(hw, port->id.phys_id, true);
-
- /* Point hcw to a 64B-aligned location */
- hcw = (struct dlb2_hcw *)((uintptr_t)&hcw_mem[4] & ~0x3F);
-
- /*
- * Program the first HCW for a completion and token return and
- * the other HCWs as NOOPS
- */
-
- memset(hcw, 0, 4 * sizeof(*hcw));
- hcw->qe_comp = (infl_cnt > 0);
- hcw->cq_token = (tkn_cnt > 0);
- hcw->lock_id = tkn_cnt - 1;
-
- /* Return tokens in the first HCW */
- dlb2_movdir64b(pp_addr, hcw);
-
- hcw->cq_token = 0;
-
- /* Issue remaining completions (if any) */
- for (i = 1; i < infl_cnt; i++)
- dlb2_movdir64b(pp_addr, hcw);
-
- os_fence_hcw(hw, pp_addr);
-
- os_unmap_producer_port(hw, pp_addr);
- }
-
- return 0;
-}
-
-static int dlb2_domain_drain_ldb_cqs(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain,
- bool toggle_port)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_ldb_port *port;
- int ret, i;
- RTE_SET_USED(iter);
-
- /* If the domain hasn't been started, there's no traffic to drain */
- if (!domain->started)
- return 0;
-
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
- if (toggle_port)
- dlb2_ldb_port_cq_disable(hw, port);
-
- ret = dlb2_drain_ldb_cq(hw, port);
- if (ret < 0)
- return ret;
-
- if (toggle_port)
- dlb2_ldb_port_cq_enable(hw, port);
- }
- }
-
- return 0;
-}
-
static u32 dlb2_ldb_queue_depth(struct dlb2_hw *hw,
struct dlb2_ldb_queue *queue)
{
return r0.field.count + r1.field.count + r2.field.count;
}
-static bool dlb2_ldb_queue_is_empty(struct dlb2_hw *hw,
- struct dlb2_ldb_queue *queue)
-{
- return dlb2_ldb_queue_depth(hw, queue) == 0;
-}
-
-static bool dlb2_domain_mapped_queues_empty(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_ldb_queue *queue;
- RTE_SET_USED(iter);
-
- DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter) {
- if (queue->num_mappings == 0)
- continue;
-
- if (!dlb2_ldb_queue_is_empty(hw, queue))
- return false;
- }
-
- return true;
-}
-
-static int dlb2_domain_drain_mapped_queues(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- int i, ret;
-
- /* If the domain hasn't been started, there's no traffic to drain */
- if (!domain->started)
- return 0;
-
- if (domain->num_pending_removals > 0) {
- DLB2_HW_ERR(hw,
- "[%s()] Internal error: failed to unmap domain queues\n",
- __func__);
- return -EFAULT;
- }
-
- for (i = 0; i < DLB2_MAX_QID_EMPTY_CHECK_LOOPS; i++) {
- ret = dlb2_domain_drain_ldb_cqs(hw, domain, true);
- if (ret < 0)
- return ret;
-
- if (dlb2_domain_mapped_queues_empty(hw, domain))
- break;
- }
-
- if (i == DLB2_MAX_QID_EMPTY_CHECK_LOOPS) {
- DLB2_HW_ERR(hw,
- "[%s()] Internal error: failed to empty queues\n",
- __func__);
- return -EFAULT;
- }
-
- /*
- * Drain the CQs one more time. For the queues to go empty, they would
- * have scheduled one or more QEs.
- */
- ret = dlb2_domain_drain_ldb_cqs(hw, domain, true);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static void dlb2_domain_enable_ldb_cqs(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_ldb_port *port;
- int i;
- RTE_SET_USED(iter);
-
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
- port->enabled = true;
-
- dlb2_ldb_port_cq_enable(hw, port);
- }
- }
-}
-
static struct dlb2_ldb_queue *
dlb2_get_ldb_queue_from_id(struct dlb2_hw *hw,
u32 id,
return domain->num_pending_removals;
}
-static void dlb2_domain_disable_ldb_cqs(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_ldb_port *port;
- int i;
- RTE_SET_USED(iter);
-
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
- port->enabled = false;
-
- dlb2_ldb_port_cq_disable(hw, port);
- }
- }
-}
-
-static void dlb2_log_reset_domain(struct dlb2_hw *hw,
- u32 domain_id,
- bool vdev_req,
- unsigned int vdev_id)
-{
- DLB2_HW_DBG(hw, "DLB2 reset domain:\n");
- if (vdev_req)
- DLB2_HW_DBG(hw, "(Request from vdev %d)\n", vdev_id);
- DLB2_HW_DBG(hw, "\tDomain ID: %d\n", domain_id);
-}
-
-static void dlb2_domain_disable_dir_vpps(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain,
- unsigned int vdev_id)
-{
- struct dlb2_list_entry *iter;
- union dlb2_sys_vf_dir_vpp_v r1;
- struct dlb2_dir_pq_pair *port;
- RTE_SET_USED(iter);
-
- r1.field.vpp_v = 0;
-
- DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter) {
- unsigned int offs;
- u32 virt_id;
-
- if (hw->virt_mode == DLB2_VIRT_SRIOV)
- virt_id = port->id.virt_id;
- else
- virt_id = port->id.phys_id;
-
- offs = vdev_id * DLB2_MAX_NUM_DIR_PORTS(hw->ver) + virt_id;
-
- DLB2_CSR_WR(hw, DLB2_SYS_VF_DIR_VPP_V(offs), r1.val);
- }
-}
-
-static void dlb2_domain_disable_ldb_vpps(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain,
- unsigned int vdev_id)
-{
- struct dlb2_list_entry *iter;
- union dlb2_sys_vf_ldb_vpp_v r1;
- struct dlb2_ldb_port *port;
- int i;
- RTE_SET_USED(iter);
-
- r1.field.vpp_v = 0;
-
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
- unsigned int offs;
- u32 virt_id;
-
- if (hw->virt_mode == DLB2_VIRT_SRIOV)
- virt_id = port->id.virt_id;
- else
- virt_id = port->id.phys_id;
-
- offs = vdev_id * DLB2_MAX_NUM_LDB_PORTS + virt_id;
-
- DLB2_CSR_WR(hw, DLB2_SYS_VF_LDB_VPP_V(offs), r1.val);
- }
- }
-}
-
-static void
-dlb2_domain_disable_ldb_port_interrupts(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- union dlb2_chp_ldb_cq_int_enb r0 = { {0} };
- union dlb2_chp_ldb_cq_wd_enb r1 = { {0} };
- struct dlb2_ldb_port *port;
- int i;
- RTE_SET_USED(iter);
-
- r0.field.en_tim = 0;
- r0.field.en_depth = 0;
-
- r1.field.wd_enable = 0;
-
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
- DLB2_CSR_WR(hw,
- DLB2_CHP_LDB_CQ_INT_ENB(port->id.phys_id),
- r0.val);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_LDB_CQ_WD_ENB(port->id.phys_id),
- r1.val);
- }
- }
-}
-
-static void
-dlb2_domain_disable_dir_port_interrupts(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- union dlb2_chp_dir_cq_int_enb r0 = { {0} };
- union dlb2_chp_dir_cq_wd_enb r1 = { {0} };
- struct dlb2_dir_pq_pair *port;
- RTE_SET_USED(iter);
-
- r0.field.en_tim = 0;
- r0.field.en_depth = 0;
-
- r1.field.wd_enable = 0;
-
- DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter) {
- DLB2_CSR_WR(hw,
- DLB2_CHP_DIR_CQ_INT_ENB(port->id.phys_id),
- r0.val);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_DIR_CQ_WD_ENB(port->id.phys_id),
- r1.val);
- }
-}
-
-static void
-dlb2_domain_disable_ldb_queue_write_perms(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- int domain_offset = domain->id.phys_id * DLB2_MAX_NUM_LDB_QUEUES;
- struct dlb2_list_entry *iter;
- struct dlb2_ldb_queue *queue;
- RTE_SET_USED(iter);
-
- DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter) {
- union dlb2_sys_ldb_vasqid_v r0 = { {0} };
- union dlb2_sys_ldb_qid2vqid r1 = { {0} };
- union dlb2_sys_vf_ldb_vqid_v r2 = { {0} };
- union dlb2_sys_vf_ldb_vqid2qid r3 = { {0} };
- int idx;
-
- idx = domain_offset + queue->id.phys_id;
-
- DLB2_CSR_WR(hw, DLB2_SYS_LDB_VASQID_V(idx), r0.val);
-
- if (queue->id.vdev_owned) {
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_QID2VQID(queue->id.phys_id),
- r1.val);
-
- idx = queue->id.vdev_id * DLB2_MAX_NUM_LDB_QUEUES +
- queue->id.virt_id;
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_VF_LDB_VQID_V(idx),
- r2.val);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_VF_LDB_VQID2QID(idx),
- r3.val);
- }
- }
-}
-
-static void
-dlb2_domain_disable_dir_queue_write_perms(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- int domain_offset = domain->id.phys_id *
- DLB2_MAX_NUM_DIR_PORTS(hw->ver);
- struct dlb2_list_entry *iter;
- struct dlb2_dir_pq_pair *queue;
- RTE_SET_USED(iter);
-
- DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, queue, iter) {
- union dlb2_sys_dir_vasqid_v r0 = { {0} };
- union dlb2_sys_vf_dir_vqid_v r1 = { {0} };
- union dlb2_sys_vf_dir_vqid2qid r2 = { {0} };
- int idx;
-
- idx = domain_offset + queue->id.phys_id;
-
- DLB2_CSR_WR(hw, DLB2_SYS_DIR_VASQID_V(idx), r0.val);
-
- if (queue->id.vdev_owned) {
- idx = queue->id.vdev_id *
- DLB2_MAX_NUM_DIR_PORTS(hw->ver) +
- queue->id.virt_id;
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_VF_DIR_VQID_V(idx),
- r1.val);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_VF_DIR_VQID2QID(idx),
- r2.val);
- }
- }
-}
-
-static void dlb2_domain_disable_ldb_seq_checks(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- union dlb2_chp_sn_chk_enbl r1;
- struct dlb2_ldb_port *port;
- int i;
- RTE_SET_USED(iter);
-
- r1.field.en = 0;
-
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter)
- DLB2_CSR_WR(hw,
- DLB2_CHP_SN_CHK_ENBL(port->id.phys_id),
- r1.val);
- }
-}
-
-static int dlb2_domain_wait_for_ldb_cqs_to_empty(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_ldb_port *port;
- int i;
- RTE_SET_USED(iter);
-
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
- int i;
-
- for (i = 0; i < DLB2_MAX_CQ_COMP_CHECK_LOOPS; i++) {
- if (dlb2_ldb_cq_inflight_count(hw, port) == 0)
- break;
- }
-
- if (i == DLB2_MAX_CQ_COMP_CHECK_LOOPS) {
- DLB2_HW_ERR(hw,
- "[%s()] Internal error: failed to flush load-balanced port %d's completions.\n",
- __func__, port->id.phys_id);
- return -EFAULT;
- }
- }
- }
-
- return 0;
-}
-
-static void dlb2_domain_disable_dir_cqs(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_dir_pq_pair *port;
- RTE_SET_USED(iter);
-
- DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter) {
- port->enabled = false;
-
- dlb2_dir_port_cq_disable(hw, port);
- }
-}
-
-static void
-dlb2_domain_disable_dir_producer_ports(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_dir_pq_pair *port;
- union dlb2_sys_dir_pp_v r1;
- RTE_SET_USED(iter);
-
- r1.field.pp_v = 0;
-
- DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter)
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_PP_V(port->id.phys_id),
- r1.val);
-}
-
-static void
-dlb2_domain_disable_ldb_producer_ports(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- union dlb2_sys_ldb_pp_v r1;
- struct dlb2_ldb_port *port;
- int i;
- RTE_SET_USED(iter);
-
- r1.field.pp_v = 0;
-
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter)
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_PP_V(port->id.phys_id),
- r1.val);
- }
-}
-
-static int dlb2_domain_verify_reset_success(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_dir_pq_pair *dir_port;
- struct dlb2_ldb_port *ldb_port;
- struct dlb2_ldb_queue *queue;
- int i;
- RTE_SET_USED(iter);
-
- /*
- * Confirm that all the domain's queue's inflight counts and AQED
- * active counts are 0.
- */
- DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter) {
- if (!dlb2_ldb_queue_is_empty(hw, queue)) {
- DLB2_HW_ERR(hw,
- "[%s()] Internal error: failed to empty ldb queue %d\n",
- __func__, queue->id.phys_id);
- return -EFAULT;
- }
- }
-
- /* Confirm that all the domain's CQs inflight and token counts are 0. */
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], ldb_port, iter) {
- if (dlb2_ldb_cq_inflight_count(hw, ldb_port) ||
- dlb2_ldb_cq_token_count(hw, ldb_port)) {
- DLB2_HW_ERR(hw,
- "[%s()] Internal error: failed to empty ldb port %d\n",
- __func__, ldb_port->id.phys_id);
- return -EFAULT;
- }
- }
- }
-
- DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, dir_port, iter) {
- if (!dlb2_dir_queue_is_empty(hw, dir_port)) {
- DLB2_HW_ERR(hw,
- "[%s()] Internal error: failed to empty dir queue %d\n",
- __func__, dir_port->id.phys_id);
- return -EFAULT;
- }
-
- if (dlb2_dir_cq_token_count(hw, dir_port)) {
- DLB2_HW_ERR(hw,
- "[%s()] Internal error: failed to empty dir port %d\n",
- __func__, dir_port->id.phys_id);
- return -EFAULT;
- }
- }
-
- return 0;
-}
-
-static void __dlb2_domain_reset_ldb_port_registers(struct dlb2_hw *hw,
- struct dlb2_ldb_port *port)
-{
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_PP2VAS(port->id.phys_id),
- DLB2_SYS_LDB_PP2VAS_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_LDB_CQ2VAS(port->id.phys_id),
- DLB2_CHP_LDB_CQ2VAS_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_PP2VDEV(port->id.phys_id),
- DLB2_SYS_LDB_PP2VDEV_RST);
-
- if (port->id.vdev_owned) {
- unsigned int offs;
- u32 virt_id;
-
- /*
- * DLB uses producer port address bits 17:12 to determine the
- * producer port ID. In Scalable IOV mode, PP accesses come
- * through the PF MMIO window for the physical producer port,
- * so for translation purposes the virtual and physical port
- * IDs are equal.
- */
- if (hw->virt_mode == DLB2_VIRT_SRIOV)
- virt_id = port->id.virt_id;
- else
- virt_id = port->id.phys_id;
-
- offs = port->id.vdev_id * DLB2_MAX_NUM_LDB_PORTS + virt_id;
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_VF_LDB_VPP2PP(offs),
- DLB2_SYS_VF_LDB_VPP2PP_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_VF_LDB_VPP_V(offs),
- DLB2_SYS_VF_LDB_VPP_V_RST);
- }
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_PP_V(port->id.phys_id),
- DLB2_SYS_LDB_PP_V_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_LDB_DSBL(port->id.phys_id),
- DLB2_LSP_CQ_LDB_DSBL_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_LDB_CQ_DEPTH(port->id.phys_id),
- DLB2_CHP_LDB_CQ_DEPTH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_LDB_INFL_LIM(port->id.phys_id),
- DLB2_LSP_CQ_LDB_INFL_LIM_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_HIST_LIST_LIM(port->id.phys_id),
- DLB2_CHP_HIST_LIST_LIM_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_HIST_LIST_BASE(port->id.phys_id),
- DLB2_CHP_HIST_LIST_BASE_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_HIST_LIST_POP_PTR(port->id.phys_id),
- DLB2_CHP_HIST_LIST_POP_PTR_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_HIST_LIST_PUSH_PTR(port->id.phys_id),
- DLB2_CHP_HIST_LIST_PUSH_PTR_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_LDB_CQ_INT_DEPTH_THRSH(port->id.phys_id),
- DLB2_CHP_LDB_CQ_INT_DEPTH_THRSH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_LDB_CQ_TMR_THRSH(port->id.phys_id),
- DLB2_CHP_LDB_CQ_TMR_THRSH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_LDB_CQ_INT_ENB(port->id.phys_id),
- DLB2_CHP_LDB_CQ_INT_ENB_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_CQ_ISR(port->id.phys_id),
- DLB2_SYS_LDB_CQ_ISR_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_LDB_TKN_DEPTH_SEL(port->id.phys_id),
- DLB2_LSP_CQ_LDB_TKN_DEPTH_SEL_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_LDB_CQ_TKN_DEPTH_SEL(port->id.phys_id),
- DLB2_CHP_LDB_CQ_TKN_DEPTH_SEL_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_LDB_CQ_WPTR(port->id.phys_id),
- DLB2_CHP_LDB_CQ_WPTR_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_LDB_TKN_CNT(port->id.phys_id),
- DLB2_LSP_CQ_LDB_TKN_CNT_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_CQ_ADDR_L(port->id.phys_id),
- DLB2_SYS_LDB_CQ_ADDR_L_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_CQ_ADDR_U(port->id.phys_id),
- DLB2_SYS_LDB_CQ_ADDR_U_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_CQ_AT(port->id.phys_id),
- DLB2_SYS_LDB_CQ_AT_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_CQ_PASID(port->id.phys_id),
- DLB2_SYS_LDB_CQ_PASID_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_CQ2VF_PF_RO(port->id.phys_id),
- DLB2_SYS_LDB_CQ2VF_PF_RO_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_LDB_TOT_SCH_CNTL(port->id.phys_id),
- DLB2_LSP_CQ_LDB_TOT_SCH_CNTL_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_LDB_TOT_SCH_CNTH(port->id.phys_id),
- DLB2_LSP_CQ_LDB_TOT_SCH_CNTH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ2QID0(port->id.phys_id),
- DLB2_LSP_CQ2QID0_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ2QID1(port->id.phys_id),
- DLB2_LSP_CQ2QID1_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ2PRIOV(port->id.phys_id),
- DLB2_LSP_CQ2PRIOV_RST);
-}
-
-static void dlb2_domain_reset_ldb_port_registers(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_ldb_port *port;
- int i;
- RTE_SET_USED(iter);
-
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter)
- __dlb2_domain_reset_ldb_port_registers(hw, port);
- }
-}
-
-static void
-__dlb2_domain_reset_dir_port_registers(struct dlb2_hw *hw,
- struct dlb2_dir_pq_pair *port)
-{
- DLB2_CSR_WR(hw,
- DLB2_CHP_DIR_CQ2VAS(port->id.phys_id),
- DLB2_CHP_DIR_CQ2VAS_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_DIR_DSBL(port->id.phys_id),
- DLB2_LSP_CQ_DIR_DSBL_RST);
-
- DLB2_CSR_WR(hw, DLB2_SYS_DIR_CQ_OPT_CLR, port->id.phys_id);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_DIR_CQ_DEPTH(port->id.phys_id),
- DLB2_CHP_DIR_CQ_DEPTH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_DIR_CQ_INT_DEPTH_THRSH(port->id.phys_id),
- DLB2_CHP_DIR_CQ_INT_DEPTH_THRSH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_DIR_CQ_TMR_THRSH(port->id.phys_id),
- DLB2_CHP_DIR_CQ_TMR_THRSH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_DIR_CQ_INT_ENB(port->id.phys_id),
- DLB2_CHP_DIR_CQ_INT_ENB_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_CQ_ISR(port->id.phys_id),
- DLB2_SYS_DIR_CQ_ISR_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_DIR_TKN_DEPTH_SEL_DSI(port->id.phys_id),
- DLB2_LSP_CQ_DIR_TKN_DEPTH_SEL_DSI_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_DIR_CQ_TKN_DEPTH_SEL(port->id.phys_id),
- DLB2_CHP_DIR_CQ_TKN_DEPTH_SEL_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_DIR_CQ_WPTR(port->id.phys_id),
- DLB2_CHP_DIR_CQ_WPTR_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_DIR_TKN_CNT(port->id.phys_id),
- DLB2_LSP_CQ_DIR_TKN_CNT_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_CQ_ADDR_L(port->id.phys_id),
- DLB2_SYS_DIR_CQ_ADDR_L_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_CQ_ADDR_U(port->id.phys_id),
- DLB2_SYS_DIR_CQ_ADDR_U_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_CQ_AT(port->id.phys_id),
- DLB2_SYS_DIR_CQ_AT_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_CQ_PASID(port->id.phys_id),
- DLB2_SYS_DIR_CQ_PASID_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_CQ_FMT(port->id.phys_id),
- DLB2_SYS_DIR_CQ_FMT_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_CQ2VF_PF_RO(port->id.phys_id),
- DLB2_SYS_DIR_CQ2VF_PF_RO_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_DIR_TOT_SCH_CNTL(port->id.phys_id),
- DLB2_LSP_CQ_DIR_TOT_SCH_CNTL_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_CQ_DIR_TOT_SCH_CNTH(port->id.phys_id),
- DLB2_LSP_CQ_DIR_TOT_SCH_CNTH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_PP2VAS(port->id.phys_id),
- DLB2_SYS_DIR_PP2VAS_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_DIR_CQ2VAS(port->id.phys_id),
- DLB2_CHP_DIR_CQ2VAS_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_PP2VDEV(port->id.phys_id),
- DLB2_SYS_DIR_PP2VDEV_RST);
-
- if (port->id.vdev_owned) {
- unsigned int offs;
- u32 virt_id;
-
- /*
- * DLB uses producer port address bits 17:12 to determine the
- * producer port ID. In Scalable IOV mode, PP accesses come
- * through the PF MMIO window for the physical producer port,
- * so for translation purposes the virtual and physical port
- * IDs are equal.
- */
- if (hw->virt_mode == DLB2_VIRT_SRIOV)
- virt_id = port->id.virt_id;
- else
- virt_id = port->id.phys_id;
-
- offs = port->id.vdev_id * DLB2_MAX_NUM_DIR_PORTS(hw->ver)
- + virt_id;
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_VF_DIR_VPP2PP(offs),
- DLB2_SYS_VF_DIR_VPP2PP_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_VF_DIR_VPP_V(offs),
- DLB2_SYS_VF_DIR_VPP_V_RST);
- }
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_PP_V(port->id.phys_id),
- DLB2_SYS_DIR_PP_V_RST);
-}
-
-static void dlb2_domain_reset_dir_port_registers(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_dir_pq_pair *port;
- RTE_SET_USED(iter);
-
- DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter)
- __dlb2_domain_reset_dir_port_registers(hw, port);
-}
-
-static void dlb2_domain_reset_ldb_queue_registers(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_ldb_queue *queue;
- RTE_SET_USED(iter);
-
- DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter) {
- unsigned int queue_id = queue->id.phys_id;
- int i;
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_NALDB_TOT_ENQ_CNTL(queue_id),
- DLB2_LSP_QID_NALDB_TOT_ENQ_CNTL_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_NALDB_TOT_ENQ_CNTH(queue_id),
- DLB2_LSP_QID_NALDB_TOT_ENQ_CNTH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_ATM_TOT_ENQ_CNTL(queue_id),
- DLB2_LSP_QID_ATM_TOT_ENQ_CNTL_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_ATM_TOT_ENQ_CNTH(queue_id),
- DLB2_LSP_QID_ATM_TOT_ENQ_CNTH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_NALDB_MAX_DEPTH(queue_id),
- DLB2_LSP_QID_NALDB_MAX_DEPTH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_LDB_INFL_LIM(queue_id),
- DLB2_LSP_QID_LDB_INFL_LIM_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_AQED_ACTIVE_LIM(queue_id),
- DLB2_LSP_QID_AQED_ACTIVE_LIM_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_ATM_DEPTH_THRSH(queue_id),
- DLB2_LSP_QID_ATM_DEPTH_THRSH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_NALDB_DEPTH_THRSH(queue_id),
- DLB2_LSP_QID_NALDB_DEPTH_THRSH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_QID_ITS(queue_id),
- DLB2_SYS_LDB_QID_ITS_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_ORD_QID_SN(queue_id),
- DLB2_CHP_ORD_QID_SN_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_ORD_QID_SN_MAP(queue_id),
- DLB2_CHP_ORD_QID_SN_MAP_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_QID_V(queue_id),
- DLB2_SYS_LDB_QID_V_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_LDB_QID_CFG_V(queue_id),
- DLB2_SYS_LDB_QID_CFG_V_RST);
-
- if (queue->sn_cfg_valid) {
- u32 offs[2];
-
- offs[0] = DLB2_RO_PIPE_GRP_0_SLT_SHFT(queue->sn_slot);
- offs[1] = DLB2_RO_PIPE_GRP_1_SLT_SHFT(queue->sn_slot);
-
- DLB2_CSR_WR(hw,
- offs[queue->sn_group],
- DLB2_RO_PIPE_GRP_0_SLT_SHFT_RST);
- }
-
- for (i = 0; i < DLB2_LSP_QID2CQIDIX_NUM; i++) {
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID2CQIDIX(queue_id, i),
- DLB2_LSP_QID2CQIDIX_00_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID2CQIDIX2(queue_id, i),
- DLB2_LSP_QID2CQIDIX2_00_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_ATM_QID2CQIDIX(queue_id, i),
- DLB2_ATM_QID2CQIDIX_00_RST);
- }
- }
-}
-
-static void dlb2_domain_reset_dir_queue_registers(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_dir_pq_pair *queue;
- RTE_SET_USED(iter);
-
- DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, queue, iter) {
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_DIR_MAX_DEPTH(queue->id.phys_id),
- DLB2_LSP_QID_DIR_MAX_DEPTH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_DIR_TOT_ENQ_CNTL(queue->id.phys_id),
- DLB2_LSP_QID_DIR_TOT_ENQ_CNTL_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_DIR_TOT_ENQ_CNTH(queue->id.phys_id),
- DLB2_LSP_QID_DIR_TOT_ENQ_CNTH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_LSP_QID_DIR_DEPTH_THRSH(queue->id.phys_id),
- DLB2_LSP_QID_DIR_DEPTH_THRSH_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_QID_ITS(queue->id.phys_id),
- DLB2_SYS_DIR_QID_ITS_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_SYS_DIR_QID_V(queue->id.phys_id),
- DLB2_SYS_DIR_QID_V_RST);
- }
-}
-
-static void dlb2_domain_reset_registers(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- dlb2_domain_reset_ldb_port_registers(hw, domain);
-
- dlb2_domain_reset_dir_port_registers(hw, domain);
-
- dlb2_domain_reset_ldb_queue_registers(hw, domain);
-
- dlb2_domain_reset_dir_queue_registers(hw, domain);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_CFG_LDB_VAS_CRD(domain->id.phys_id),
- DLB2_CHP_CFG_LDB_VAS_CRD_RST);
-
- DLB2_CSR_WR(hw,
- DLB2_CHP_CFG_DIR_VAS_CRD(domain->id.phys_id),
- DLB2_CHP_CFG_DIR_VAS_CRD_RST);
-}
-
-static int dlb2_domain_reset_software_state(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_dir_pq_pair *tmp_dir_port;
- struct dlb2_ldb_queue *tmp_ldb_queue;
- struct dlb2_ldb_port *tmp_ldb_port;
- struct dlb2_list_entry *iter1;
- struct dlb2_list_entry *iter2;
- struct dlb2_function_resources *rsrcs;
- struct dlb2_dir_pq_pair *dir_port;
- struct dlb2_ldb_queue *ldb_queue;
- struct dlb2_ldb_port *ldb_port;
- struct dlb2_list_head *list;
- int ret, i;
- RTE_SET_USED(tmp_dir_port);
- RTE_SET_USED(tmp_ldb_queue);
- RTE_SET_USED(tmp_ldb_port);
- RTE_SET_USED(iter1);
- RTE_SET_USED(iter2);
-
- rsrcs = domain->parent_func;
-
- /* Move the domain's ldb queues to the function's avail list */
- list = &domain->used_ldb_queues;
- DLB2_DOM_LIST_FOR_SAFE(*list, ldb_queue, tmp_ldb_queue, iter1, iter2) {
- if (ldb_queue->sn_cfg_valid) {
- struct dlb2_sn_group *grp;
-
- grp = &hw->rsrcs.sn_groups[ldb_queue->sn_group];
-
- dlb2_sn_group_free_slot(grp, ldb_queue->sn_slot);
- ldb_queue->sn_cfg_valid = false;
- }
-
- ldb_queue->owned = false;
- ldb_queue->num_mappings = 0;
- ldb_queue->num_pending_additions = 0;
-
- dlb2_list_del(&domain->used_ldb_queues,
- &ldb_queue->domain_list);
- dlb2_list_add(&rsrcs->avail_ldb_queues,
- &ldb_queue->func_list);
- rsrcs->num_avail_ldb_queues++;
- }
-
- list = &domain->avail_ldb_queues;
- DLB2_DOM_LIST_FOR_SAFE(*list, ldb_queue, tmp_ldb_queue, iter1, iter2) {
- ldb_queue->owned = false;
-
- dlb2_list_del(&domain->avail_ldb_queues,
- &ldb_queue->domain_list);
- dlb2_list_add(&rsrcs->avail_ldb_queues,
- &ldb_queue->func_list);
- rsrcs->num_avail_ldb_queues++;
- }
-
- /* Move the domain's ldb ports to the function's avail list */
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- list = &domain->used_ldb_ports[i];
- DLB2_DOM_LIST_FOR_SAFE(*list, ldb_port, tmp_ldb_port,
- iter1, iter2) {
- int j;
-
- ldb_port->owned = false;
- ldb_port->configured = false;
- ldb_port->num_pending_removals = 0;
- ldb_port->num_mappings = 0;
- ldb_port->init_tkn_cnt = 0;
- for (j = 0; j < DLB2_MAX_NUM_QIDS_PER_LDB_CQ; j++)
- ldb_port->qid_map[j].state =
- DLB2_QUEUE_UNMAPPED;
-
- dlb2_list_del(&domain->used_ldb_ports[i],
- &ldb_port->domain_list);
- dlb2_list_add(&rsrcs->avail_ldb_ports[i],
- &ldb_port->func_list);
- rsrcs->num_avail_ldb_ports[i]++;
- }
-
- list = &domain->avail_ldb_ports[i];
- DLB2_DOM_LIST_FOR_SAFE(*list, ldb_port, tmp_ldb_port,
- iter1, iter2) {
- ldb_port->owned = false;
-
- dlb2_list_del(&domain->avail_ldb_ports[i],
- &ldb_port->domain_list);
- dlb2_list_add(&rsrcs->avail_ldb_ports[i],
- &ldb_port->func_list);
- rsrcs->num_avail_ldb_ports[i]++;
- }
- }
-
- /* Move the domain's dir ports to the function's avail list */
- list = &domain->used_dir_pq_pairs;
- DLB2_DOM_LIST_FOR_SAFE(*list, dir_port, tmp_dir_port, iter1, iter2) {
- dir_port->owned = false;
- dir_port->port_configured = false;
- dir_port->init_tkn_cnt = 0;
-
- dlb2_list_del(&domain->used_dir_pq_pairs,
- &dir_port->domain_list);
-
- dlb2_list_add(&rsrcs->avail_dir_pq_pairs,
- &dir_port->func_list);
- rsrcs->num_avail_dir_pq_pairs++;
- }
-
- list = &domain->avail_dir_pq_pairs;
- DLB2_DOM_LIST_FOR_SAFE(*list, dir_port, tmp_dir_port, iter1, iter2) {
- dir_port->owned = false;
-
- dlb2_list_del(&domain->avail_dir_pq_pairs,
- &dir_port->domain_list);
-
- dlb2_list_add(&rsrcs->avail_dir_pq_pairs,
- &dir_port->func_list);
- rsrcs->num_avail_dir_pq_pairs++;
- }
-
- /* Return hist list entries to the function */
- ret = dlb2_bitmap_set_range(rsrcs->avail_hist_list_entries,
- domain->hist_list_entry_base,
- domain->total_hist_list_entries);
- if (ret) {
- DLB2_HW_ERR(hw,
- "[%s()] Internal error: domain hist list base doesn't match the function's bitmap.\n",
- __func__);
- return ret;
- }
-
- domain->total_hist_list_entries = 0;
- domain->avail_hist_list_entries = 0;
- domain->hist_list_entry_base = 0;
- domain->hist_list_entry_offset = 0;
-
- rsrcs->num_avail_qed_entries += domain->num_ldb_credits;
- domain->num_ldb_credits = 0;
-
- rsrcs->num_avail_dqed_entries += domain->num_dir_credits;
- domain->num_dir_credits = 0;
-
- rsrcs->num_avail_aqed_entries += domain->num_avail_aqed_entries;
- rsrcs->num_avail_aqed_entries += domain->num_used_aqed_entries;
- domain->num_avail_aqed_entries = 0;
- domain->num_used_aqed_entries = 0;
-
- domain->num_pending_removals = 0;
- domain->num_pending_additions = 0;
- domain->configured = false;
- domain->started = false;
-
- /*
- * Move the domain out of the used_domains list and back to the
- * function's avail_domains list.
- */
- dlb2_list_del(&rsrcs->used_domains, &domain->func_list);
- dlb2_list_add(&rsrcs->avail_domains, &domain->func_list);
- rsrcs->num_avail_domains++;
-
- return 0;
-}
-
-static int dlb2_domain_drain_unmapped_queue(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain,
- struct dlb2_ldb_queue *queue)
-{
- struct dlb2_ldb_port *port;
- int ret, i;
-
- /* If a domain has LDB queues, it must have LDB ports */
- for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
- if (!dlb2_list_empty(&domain->used_ldb_ports[i]))
- break;
- }
-
- if (i == DLB2_NUM_COS_DOMAINS) {
- DLB2_HW_ERR(hw,
- "[%s()] Internal error: No configured LDB ports\n",
- __func__);
- return -EFAULT;
- }
-
- port = DLB2_DOM_LIST_HEAD(domain->used_ldb_ports[i], typeof(*port));
-
- /* If necessary, free up a QID slot in this CQ */
- if (port->num_mappings == DLB2_MAX_NUM_QIDS_PER_LDB_CQ) {
- struct dlb2_ldb_queue *mapped_queue;
-
- mapped_queue = &hw->rsrcs.ldb_queues[port->qid_map[0].qid];
-
- ret = dlb2_ldb_port_unmap_qid(hw, port, mapped_queue);
- if (ret)
- return ret;
- }
-
- ret = dlb2_ldb_port_map_qid_dynamic(hw, port, queue, 0);
- if (ret)
- return ret;
-
- return dlb2_domain_drain_mapped_queues(hw, domain);
-}
-
-static int dlb2_domain_drain_unmapped_queues(struct dlb2_hw *hw,
- struct dlb2_hw_domain *domain)
-{
- struct dlb2_list_entry *iter;
- struct dlb2_ldb_queue *queue;
- int ret;
- RTE_SET_USED(iter);
-
- /* If the domain hasn't been started, there's no traffic to drain */
- if (!domain->started)
- return 0;
-
- /*
- * Pre-condition: the unattached queue must not have any outstanding
- * completions. This is ensured by calling dlb2_domain_drain_ldb_cqs()
- * prior to this in dlb2_domain_drain_mapped_queues().
- */
- DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter) {
- if (queue->num_mappings != 0 ||
- dlb2_ldb_queue_is_empty(hw, queue))
- continue;
-
- ret = dlb2_domain_drain_unmapped_queue(hw, domain, queue);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-/**
- * dlb2_reset_domain() - Reset a DLB scheduling domain and its associated
- * hardware resources.
- * @hw: Contains the current state of the DLB2 hardware.
- * @domain_id: Domain ID
- * @vdev_req: Request came from a virtual device.
- * @vdev_id: If vdev_req is true, this contains the virtual device's ID.
- *
- * Note: User software *must* stop sending to this domain's producer ports
- * before invoking this function, otherwise undefined behavior will result.
- *
- * Return: returns < 0 on error, 0 otherwise.
- */
-int dlb2_reset_domain(struct dlb2_hw *hw,
- u32 domain_id,
- bool vdev_req,
- unsigned int vdev_id)
-{
- struct dlb2_hw_domain *domain;
- int ret;
-
- dlb2_log_reset_domain(hw, domain_id, vdev_req, vdev_id);
-
- domain = dlb2_get_domain_from_id(hw, domain_id, vdev_req, vdev_id);
-
- if (domain == NULL || !domain->configured)
- return -EINVAL;
-
- /* Disable VPPs */
- if (vdev_req) {
- dlb2_domain_disable_dir_vpps(hw, domain, vdev_id);
-
- dlb2_domain_disable_ldb_vpps(hw, domain, vdev_id);
- }
-
- /* Disable CQ interrupts */
- dlb2_domain_disable_dir_port_interrupts(hw, domain);
-
- dlb2_domain_disable_ldb_port_interrupts(hw, domain);
-
- /*
- * For each queue owned by this domain, disable its write permissions to
- * cause any traffic sent to it to be dropped. Well-behaved software
- * should not be sending QEs at this point.
- */
- dlb2_domain_disable_dir_queue_write_perms(hw, domain);
-
- dlb2_domain_disable_ldb_queue_write_perms(hw, domain);
-
- /* Turn off completion tracking on all the domain's PPs. */
- dlb2_domain_disable_ldb_seq_checks(hw, domain);
-
- /*
- * Disable the LDB CQs and drain them in order to complete the map and
- * unmap procedures, which require zero CQ inflights and zero QID
- * inflights respectively.
- */
- dlb2_domain_disable_ldb_cqs(hw, domain);
-
- ret = dlb2_domain_drain_ldb_cqs(hw, domain, false);
- if (ret < 0)
- return ret;
-
- ret = dlb2_domain_wait_for_ldb_cqs_to_empty(hw, domain);
- if (ret < 0)
- return ret;
-
- ret = dlb2_domain_finish_unmap_qid_procedures(hw, domain);
- if (ret < 0)
- return ret;
-
- ret = dlb2_domain_finish_map_qid_procedures(hw, domain);
- if (ret < 0)
- return ret;
-
- /* Re-enable the CQs in order to drain the mapped queues. */
- dlb2_domain_enable_ldb_cqs(hw, domain);
-
- ret = dlb2_domain_drain_mapped_queues(hw, domain);
- if (ret < 0)
- return ret;
-
- ret = dlb2_domain_drain_unmapped_queues(hw, domain);
- if (ret < 0)
- return ret;
-
- /* Done draining LDB QEs, so disable the CQs. */
- dlb2_domain_disable_ldb_cqs(hw, domain);
-
- dlb2_domain_drain_dir_queues(hw, domain);
-
- /* Done draining DIR QEs, so disable the CQs. */
- dlb2_domain_disable_dir_cqs(hw, domain);
-
- /* Disable PPs */
- dlb2_domain_disable_dir_producer_ports(hw, domain);
-
- dlb2_domain_disable_ldb_producer_ports(hw, domain);
-
- ret = dlb2_domain_verify_reset_success(hw, domain);
- if (ret)
- return ret;
-
- /* Reset the QID and port state. */
- dlb2_domain_reset_registers(hw, domain);
-
- /* Hardware reset complete. Reset the domain's software state */
- ret = dlb2_domain_reset_software_state(hw, domain);
- if (ret)
- return ret;
-
- return 0;
-}
-
unsigned int dlb2_finish_unmap_qid_procedures(struct dlb2_hw *hw)
{
int i, num = 0;
#define DLB2_FUNC_LIST_FOR_SAFE(head, ptr, ptr_tmp, it, it_tmp) \
DLB2_LIST_FOR_EACH_SAFE((head), ptr, ptr_tmp, func_list, it, it_tmp)
+/*
+ * The PF driver cannot assume that a register write will affect subsequent HCW
+ * writes. To ensure a write completes, the driver must read back a CSR. This
+ * function only need be called for configuration that can occur after the
+ * domain has started; prior to starting, applications can't send HCWs.
+ */
+static inline void dlb2_flush_csr(struct dlb2_hw *hw)
+{
+ DLB2_CSR_RD(hw, DLB2_SYS_TOTAL_VAS(hw->ver));
+}
+
static void dlb2_init_domain_rsrc_lists(struct dlb2_hw_domain *domain)
{
int i;
return 0;
}
+
+static void dlb2_dir_port_cq_disable(struct dlb2_hw *hw,
+ struct dlb2_dir_pq_pair *port)
+{
+ u32 reg = 0;
+
+ DLB2_BIT_SET(reg, DLB2_LSP_CQ_DIR_DSBL_DISABLED);
+ DLB2_CSR_WR(hw, DLB2_LSP_CQ_DIR_DSBL(hw->ver, port->id.phys_id), reg);
+
+ dlb2_flush_csr(hw);
+}
+
+static u32 dlb2_dir_cq_token_count(struct dlb2_hw *hw,
+ struct dlb2_dir_pq_pair *port)
+{
+ u32 cnt;
+
+ cnt = DLB2_CSR_RD(hw,
+ DLB2_LSP_CQ_DIR_TKN_CNT(hw->ver, port->id.phys_id));
+
+ /*
+ * Account for the initial token count, which is used in order to
+ * provide a CQ with depth less than 8.
+ */
+
+ return DLB2_BITS_GET(cnt, DLB2_LSP_CQ_DIR_TKN_CNT_COUNT) -
+ port->init_tkn_cnt;
+}
+
+static void dlb2_drain_dir_cq(struct dlb2_hw *hw,
+ struct dlb2_dir_pq_pair *port)
+{
+ unsigned int port_id = port->id.phys_id;
+ u32 cnt;
+
+ /* Return any outstanding tokens */
+ cnt = dlb2_dir_cq_token_count(hw, port);
+
+ if (cnt != 0) {
+ struct dlb2_hcw hcw_mem[8], *hcw;
+ void __iomem *pp_addr;
+
+ pp_addr = os_map_producer_port(hw, port_id, false);
+
+ /* Point hcw to a 64B-aligned location */
+ hcw = (struct dlb2_hcw *)((uintptr_t)&hcw_mem[4] & ~0x3F);
+
+ /*
+ * Program the first HCW for a batch token return and
+ * the rest as NOOPS
+ */
+ memset(hcw, 0, 4 * sizeof(*hcw));
+ hcw->cq_token = 1;
+ hcw->lock_id = cnt - 1;
+
+ dlb2_movdir64b(pp_addr, hcw);
+
+ os_fence_hcw(hw, pp_addr);
+
+ os_unmap_producer_port(hw, pp_addr);
+ }
+}
+
+static void dlb2_dir_port_cq_enable(struct dlb2_hw *hw,
+ struct dlb2_dir_pq_pair *port)
+{
+ u32 reg = 0;
+
+ DLB2_CSR_WR(hw, DLB2_LSP_CQ_DIR_DSBL(hw->ver, port->id.phys_id), reg);
+
+ dlb2_flush_csr(hw);
+}
+
+static int dlb2_domain_drain_dir_cqs(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ bool toggle_port)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_dir_pq_pair *port;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter) {
+ /*
+ * Can't drain a port if it's not configured, and there's
+ * nothing to drain if its queue is unconfigured.
+ */
+ if (!port->port_configured || !port->queue_configured)
+ continue;
+
+ if (toggle_port)
+ dlb2_dir_port_cq_disable(hw, port);
+
+ dlb2_drain_dir_cq(hw, port);
+
+ if (toggle_port)
+ dlb2_dir_port_cq_enable(hw, port);
+ }
+
+ return 0;
+}
+
+static u32 dlb2_dir_queue_depth(struct dlb2_hw *hw,
+ struct dlb2_dir_pq_pair *queue)
+{
+ u32 cnt;
+
+ cnt = DLB2_CSR_RD(hw, DLB2_LSP_QID_DIR_ENQUEUE_CNT(hw->ver,
+ queue->id.phys_id));
+
+ return DLB2_BITS_GET(cnt, DLB2_LSP_QID_DIR_ENQUEUE_CNT_COUNT);
+}
+
+static bool dlb2_dir_queue_is_empty(struct dlb2_hw *hw,
+ struct dlb2_dir_pq_pair *queue)
+{
+ return dlb2_dir_queue_depth(hw, queue) == 0;
+}
+
+static bool dlb2_domain_dir_queues_empty(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_dir_pq_pair *queue;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, queue, iter) {
+ if (!dlb2_dir_queue_is_empty(hw, queue))
+ return false;
+ }
+
+ return true;
+}
+static int dlb2_domain_drain_dir_queues(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ int i;
+
+ /* If the domain hasn't been started, there's no traffic to drain */
+ if (!domain->started)
+ return 0;
+
+ for (i = 0; i < DLB2_MAX_QID_EMPTY_CHECK_LOOPS; i++) {
+ dlb2_domain_drain_dir_cqs(hw, domain, true);
+
+ if (dlb2_domain_dir_queues_empty(hw, domain))
+ break;
+ }
+
+ if (i == DLB2_MAX_QID_EMPTY_CHECK_LOOPS) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: failed to empty queues\n",
+ __func__);
+ return -EFAULT;
+ }
+
+ /*
+ * Drain the CQs one more time. For the queues to go empty, they would
+ * have scheduled one or more QEs.
+ */
+ dlb2_domain_drain_dir_cqs(hw, domain, true);
+
+ return 0;
+}
+
+static void dlb2_ldb_port_cq_enable(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port)
+{
+ u32 reg = 0;
+
+ /*
+ * Don't re-enable the port if a removal is pending. The caller should
+ * mark this port as enabled (if it isn't already), and when the
+ * removal completes the port will be enabled.
+ */
+ if (port->num_pending_removals)
+ return;
+
+ DLB2_CSR_WR(hw, DLB2_LSP_CQ_LDB_DSBL(hw->ver, port->id.phys_id), reg);
+
+ dlb2_flush_csr(hw);
+}
+
+static void dlb2_ldb_port_cq_disable(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port)
+{
+ u32 reg = 0;
+
+ DLB2_BIT_SET(reg, DLB2_LSP_CQ_LDB_DSBL_DISABLED);
+ DLB2_CSR_WR(hw, DLB2_LSP_CQ_LDB_DSBL(hw->ver, port->id.phys_id), reg);
+
+ dlb2_flush_csr(hw);
+}
+
+static u32 dlb2_ldb_cq_inflight_count(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port)
+{
+ u32 cnt;
+
+ cnt = DLB2_CSR_RD(hw,
+ DLB2_LSP_CQ_LDB_INFL_CNT(hw->ver, port->id.phys_id));
+
+ return DLB2_BITS_GET(cnt, DLB2_LSP_CQ_LDB_INFL_CNT_COUNT);
+}
+
+static u32 dlb2_ldb_cq_token_count(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port)
+{
+ u32 cnt;
+
+ cnt = DLB2_CSR_RD(hw,
+ DLB2_LSP_CQ_LDB_TKN_CNT(hw->ver, port->id.phys_id));
+
+ /*
+ * Account for the initial token count, which is used in order to
+ * provide a CQ with depth less than 8.
+ */
+
+ return DLB2_BITS_GET(cnt, DLB2_LSP_CQ_LDB_TKN_CNT_TOKEN_COUNT) -
+ port->init_tkn_cnt;
+}
+
+static void dlb2_drain_ldb_cq(struct dlb2_hw *hw, struct dlb2_ldb_port *port)
+{
+ u32 infl_cnt, tkn_cnt;
+ unsigned int i;
+
+ infl_cnt = dlb2_ldb_cq_inflight_count(hw, port);
+ tkn_cnt = dlb2_ldb_cq_token_count(hw, port);
+
+ if (infl_cnt || tkn_cnt) {
+ struct dlb2_hcw hcw_mem[8], *hcw;
+ void __iomem *pp_addr;
+
+ pp_addr = os_map_producer_port(hw, port->id.phys_id, true);
+
+ /* Point hcw to a 64B-aligned location */
+ hcw = (struct dlb2_hcw *)((uintptr_t)&hcw_mem[4] & ~0x3F);
+
+ /*
+ * Program the first HCW for a completion and token return and
+ * the other HCWs as NOOPS
+ */
+
+ memset(hcw, 0, 4 * sizeof(*hcw));
+ hcw->qe_comp = (infl_cnt > 0);
+ hcw->cq_token = (tkn_cnt > 0);
+ hcw->lock_id = tkn_cnt - 1;
+
+ /* Return tokens in the first HCW */
+ dlb2_movdir64b(pp_addr, hcw);
+
+ hcw->cq_token = 0;
+
+ /* Issue remaining completions (if any) */
+ for (i = 1; i < infl_cnt; i++)
+ dlb2_movdir64b(pp_addr, hcw);
+
+ os_fence_hcw(hw, pp_addr);
+
+ os_unmap_producer_port(hw, pp_addr);
+ }
+}
+
+static void dlb2_domain_drain_ldb_cqs(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ bool toggle_port)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ int i;
+ RTE_SET_USED(iter);
+
+ /* If the domain hasn't been started, there's no traffic to drain */
+ if (!domain->started)
+ return;
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ if (toggle_port)
+ dlb2_ldb_port_cq_disable(hw, port);
+
+ dlb2_drain_ldb_cq(hw, port);
+
+ if (toggle_port)
+ dlb2_ldb_port_cq_enable(hw, port);
+ }
+ }
+}
+
+static u32 dlb2_ldb_queue_depth(struct dlb2_hw *hw,
+ struct dlb2_ldb_queue *queue)
+{
+ u32 aqed, ldb, atm;
+
+ aqed = DLB2_CSR_RD(hw, DLB2_LSP_QID_AQED_ACTIVE_CNT(hw->ver,
+ queue->id.phys_id));
+ ldb = DLB2_CSR_RD(hw, DLB2_LSP_QID_LDB_ENQUEUE_CNT(hw->ver,
+ queue->id.phys_id));
+ atm = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID_ATM_ACTIVE(hw->ver, queue->id.phys_id));
+
+ return DLB2_BITS_GET(aqed, DLB2_LSP_QID_AQED_ACTIVE_CNT_COUNT)
+ + DLB2_BITS_GET(ldb, DLB2_LSP_QID_LDB_ENQUEUE_CNT_COUNT)
+ + DLB2_BITS_GET(atm, DLB2_LSP_QID_ATM_ACTIVE_COUNT);
+}
+
+static bool dlb2_ldb_queue_is_empty(struct dlb2_hw *hw,
+ struct dlb2_ldb_queue *queue)
+{
+ return dlb2_ldb_queue_depth(hw, queue) == 0;
+}
+
+static bool dlb2_domain_mapped_queues_empty(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_queue *queue;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter) {
+ if (queue->num_mappings == 0)
+ continue;
+
+ if (!dlb2_ldb_queue_is_empty(hw, queue))
+ return false;
+ }
+
+ return true;
+}
+
+static int dlb2_domain_drain_mapped_queues(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ int i;
+
+ /* If the domain hasn't been started, there's no traffic to drain */
+ if (!domain->started)
+ return 0;
+
+ if (domain->num_pending_removals > 0) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: failed to unmap domain queues\n",
+ __func__);
+ return -EFAULT;
+ }
+
+ for (i = 0; i < DLB2_MAX_QID_EMPTY_CHECK_LOOPS; i++) {
+ dlb2_domain_drain_ldb_cqs(hw, domain, true);
+
+ if (dlb2_domain_mapped_queues_empty(hw, domain))
+ break;
+ }
+
+ if (i == DLB2_MAX_QID_EMPTY_CHECK_LOOPS) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: failed to empty queues\n",
+ __func__);
+ return -EFAULT;
+ }
+
+ /*
+ * Drain the CQs one more time. For the queues to go empty, they would
+ * have scheduled one or more QEs.
+ */
+ dlb2_domain_drain_ldb_cqs(hw, domain, true);
+
+ return 0;
+}
+
+static void dlb2_domain_enable_ldb_cqs(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ int i;
+ RTE_SET_USED(iter);
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ port->enabled = true;
+
+ dlb2_ldb_port_cq_enable(hw, port);
+ }
+ }
+}
+
+static struct dlb2_ldb_queue *
+dlb2_get_ldb_queue_from_id(struct dlb2_hw *hw,
+ u32 id,
+ bool vdev_req,
+ unsigned int vdev_id)
+{
+ struct dlb2_list_entry *iter1;
+ struct dlb2_list_entry *iter2;
+ struct dlb2_function_resources *rsrcs;
+ struct dlb2_hw_domain *domain;
+ struct dlb2_ldb_queue *queue;
+ RTE_SET_USED(iter1);
+ RTE_SET_USED(iter2);
+
+ if (id >= DLB2_MAX_NUM_LDB_QUEUES)
+ return NULL;
+
+ rsrcs = (vdev_req) ? &hw->vdev[vdev_id] : &hw->pf;
+
+ if (!vdev_req)
+ return &hw->rsrcs.ldb_queues[id];
+
+ DLB2_FUNC_LIST_FOR(rsrcs->used_domains, domain, iter1) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter2) {
+ if (queue->id.virt_id == id)
+ return queue;
+ }
+ }
+
+ DLB2_FUNC_LIST_FOR(rsrcs->avail_ldb_queues, queue, iter1) {
+ if (queue->id.virt_id == id)
+ return queue;
+ }
+
+ return NULL;
+}
+
+static struct dlb2_hw_domain *dlb2_get_domain_from_id(struct dlb2_hw *hw,
+ u32 id,
+ bool vdev_req,
+ unsigned int vdev_id)
+{
+ struct dlb2_list_entry *iteration;
+ struct dlb2_function_resources *rsrcs;
+ struct dlb2_hw_domain *domain;
+ RTE_SET_USED(iteration);
+
+ if (id >= DLB2_MAX_NUM_DOMAINS)
+ return NULL;
+
+ if (!vdev_req)
+ return &hw->domains[id];
+
+ rsrcs = &hw->vdev[vdev_id];
+
+ DLB2_FUNC_LIST_FOR(rsrcs->used_domains, domain, iteration) {
+ if (domain->id.virt_id == id)
+ return domain;
+ }
+
+ return NULL;
+}
+
+static int dlb2_port_slot_state_transition(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port,
+ struct dlb2_ldb_queue *queue,
+ int slot,
+ enum dlb2_qid_map_state new_state)
+{
+ enum dlb2_qid_map_state curr_state = port->qid_map[slot].state;
+ struct dlb2_hw_domain *domain;
+ int domain_id;
+
+ domain_id = port->domain_id.phys_id;
+
+ domain = dlb2_get_domain_from_id(hw, domain_id, false, 0);
+ if (domain == NULL) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: unable to find domain %d\n",
+ __func__, domain_id);
+ return -EINVAL;
+ }
+
+ switch (curr_state) {
+ case DLB2_QUEUE_UNMAPPED:
+ switch (new_state) {
+ case DLB2_QUEUE_MAPPED:
+ queue->num_mappings++;
+ port->num_mappings++;
+ break;
+ case DLB2_QUEUE_MAP_IN_PROG:
+ queue->num_pending_additions++;
+ domain->num_pending_additions++;
+ break;
+ default:
+ goto error;
+ }
+ break;
+ case DLB2_QUEUE_MAPPED:
+ switch (new_state) {
+ case DLB2_QUEUE_UNMAPPED:
+ queue->num_mappings--;
+ port->num_mappings--;
+ break;
+ case DLB2_QUEUE_UNMAP_IN_PROG:
+ port->num_pending_removals++;
+ domain->num_pending_removals++;
+ break;
+ case DLB2_QUEUE_MAPPED:
+ /* Priority change, nothing to update */
+ break;
+ default:
+ goto error;
+ }
+ break;
+ case DLB2_QUEUE_MAP_IN_PROG:
+ switch (new_state) {
+ case DLB2_QUEUE_UNMAPPED:
+ queue->num_pending_additions--;
+ domain->num_pending_additions--;
+ break;
+ case DLB2_QUEUE_MAPPED:
+ queue->num_mappings++;
+ port->num_mappings++;
+ queue->num_pending_additions--;
+ domain->num_pending_additions--;
+ break;
+ default:
+ goto error;
+ }
+ break;
+ case DLB2_QUEUE_UNMAP_IN_PROG:
+ switch (new_state) {
+ case DLB2_QUEUE_UNMAPPED:
+ port->num_pending_removals--;
+ domain->num_pending_removals--;
+ queue->num_mappings--;
+ port->num_mappings--;
+ break;
+ case DLB2_QUEUE_MAPPED:
+ port->num_pending_removals--;
+ domain->num_pending_removals--;
+ break;
+ case DLB2_QUEUE_UNMAP_IN_PROG_PENDING_MAP:
+ /* Nothing to update */
+ break;
+ default:
+ goto error;
+ }
+ break;
+ case DLB2_QUEUE_UNMAP_IN_PROG_PENDING_MAP:
+ switch (new_state) {
+ case DLB2_QUEUE_UNMAP_IN_PROG:
+ /* Nothing to update */
+ break;
+ case DLB2_QUEUE_UNMAPPED:
+ /*
+ * An UNMAP_IN_PROG_PENDING_MAP slot briefly
+ * becomes UNMAPPED before it transitions to
+ * MAP_IN_PROG.
+ */
+ queue->num_mappings--;
+ port->num_mappings--;
+ port->num_pending_removals--;
+ domain->num_pending_removals--;
+ break;
+ default:
+ goto error;
+ }
+ break;
+ default:
+ goto error;
+ }
+
+ port->qid_map[slot].state = new_state;
+
+ DLB2_HW_DBG(hw,
+ "[%s()] queue %d -> port %d state transition (%d -> %d)\n",
+ __func__, queue->id.phys_id, port->id.phys_id,
+ curr_state, new_state);
+ return 0;
+
+error:
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: invalid queue %d -> port %d state transition (%d -> %d)\n",
+ __func__, queue->id.phys_id, port->id.phys_id,
+ curr_state, new_state);
+ return -EFAULT;
+}
+
+static bool dlb2_port_find_slot(struct dlb2_ldb_port *port,
+ enum dlb2_qid_map_state state,
+ int *slot)
+{
+ int i;
+
+ for (i = 0; i < DLB2_MAX_NUM_QIDS_PER_LDB_CQ; i++) {
+ if (port->qid_map[i].state == state)
+ break;
+ }
+
+ *slot = i;
+
+ return (i < DLB2_MAX_NUM_QIDS_PER_LDB_CQ);
+}
+
+static bool dlb2_port_find_slot_queue(struct dlb2_ldb_port *port,
+ enum dlb2_qid_map_state state,
+ struct dlb2_ldb_queue *queue,
+ int *slot)
+{
+ int i;
+
+ for (i = 0; i < DLB2_MAX_NUM_QIDS_PER_LDB_CQ; i++) {
+ if (port->qid_map[i].state == state &&
+ port->qid_map[i].qid == queue->id.phys_id)
+ break;
+ }
+
+ *slot = i;
+
+ return (i < DLB2_MAX_NUM_QIDS_PER_LDB_CQ);
+}
+
+/*
+ * dlb2_ldb_queue_{enable, disable}_mapped_cqs() don't operate exactly as
+ * their function names imply, and should only be called by the dynamic CQ
+ * mapping code.
+ */
+static void dlb2_ldb_queue_disable_mapped_cqs(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ struct dlb2_ldb_queue *queue)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ int slot, i;
+ RTE_SET_USED(iter);
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ enum dlb2_qid_map_state state = DLB2_QUEUE_MAPPED;
+
+ if (!dlb2_port_find_slot_queue(port, state,
+ queue, &slot))
+ continue;
+
+ if (port->enabled)
+ dlb2_ldb_port_cq_disable(hw, port);
+ }
+ }
+}
+
+static void dlb2_ldb_queue_enable_mapped_cqs(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ struct dlb2_ldb_queue *queue)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ int slot, i;
+ RTE_SET_USED(iter);
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ enum dlb2_qid_map_state state = DLB2_QUEUE_MAPPED;
+
+ if (!dlb2_port_find_slot_queue(port, state,
+ queue, &slot))
+ continue;
+
+ if (port->enabled)
+ dlb2_ldb_port_cq_enable(hw, port);
+ }
+ }
+}
+
+static void dlb2_ldb_port_clear_queue_if_status(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port,
+ int slot)
+{
+ u32 ctrl = 0;
+
+ DLB2_BITS_SET(ctrl, port->id.phys_id, DLB2_LSP_LDB_SCHED_CTRL_CQ);
+ DLB2_BITS_SET(ctrl, slot, DLB2_LSP_LDB_SCHED_CTRL_QIDIX);
+ DLB2_BIT_SET(ctrl, DLB2_LSP_LDB_SCHED_CTRL_INFLIGHT_OK_V);
+
+ DLB2_CSR_WR(hw, DLB2_LSP_LDB_SCHED_CTRL(hw->ver), ctrl);
+
+ dlb2_flush_csr(hw);
+}
+
+static void dlb2_ldb_port_set_queue_if_status(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port,
+ int slot)
+{
+ u32 ctrl = 0;
+
+ DLB2_BITS_SET(ctrl, port->id.phys_id, DLB2_LSP_LDB_SCHED_CTRL_CQ);
+ DLB2_BITS_SET(ctrl, slot, DLB2_LSP_LDB_SCHED_CTRL_QIDIX);
+ DLB2_BIT_SET(ctrl, DLB2_LSP_LDB_SCHED_CTRL_VALUE);
+ DLB2_BIT_SET(ctrl, DLB2_LSP_LDB_SCHED_CTRL_INFLIGHT_OK_V);
+
+ DLB2_CSR_WR(hw, DLB2_LSP_LDB_SCHED_CTRL(hw->ver), ctrl);
+
+ dlb2_flush_csr(hw);
+}
+
+static int dlb2_ldb_port_map_qid_static(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *p,
+ struct dlb2_ldb_queue *q,
+ u8 priority)
+{
+ enum dlb2_qid_map_state state;
+ u32 lsp_qid2cq2;
+ u32 lsp_qid2cq;
+ u32 atm_qid2cq;
+ u32 cq2priov;
+ u32 cq2qid;
+ int i;
+
+ /* Look for a pending or already mapped slot, else an unused slot */
+ if (!dlb2_port_find_slot_queue(p, DLB2_QUEUE_MAP_IN_PROG, q, &i) &&
+ !dlb2_port_find_slot_queue(p, DLB2_QUEUE_MAPPED, q, &i) &&
+ !dlb2_port_find_slot(p, DLB2_QUEUE_UNMAPPED, &i)) {
+ DLB2_HW_ERR(hw,
+ "[%s():%d] Internal error: CQ has no available QID mapping slots\n",
+ __func__, __LINE__);
+ return -EFAULT;
+ }
+
+ /* Read-modify-write the priority and valid bit register */
+ cq2priov = DLB2_CSR_RD(hw, DLB2_LSP_CQ2PRIOV(hw->ver, p->id.phys_id));
+
+ cq2priov |= (1 << (i + DLB2_LSP_CQ2PRIOV_V_LOC)) & DLB2_LSP_CQ2PRIOV_V;
+ cq2priov |= ((priority & 0x7) << (i + DLB2_LSP_CQ2PRIOV_PRIO_LOC) * 3)
+ & DLB2_LSP_CQ2PRIOV_PRIO;
+
+ DLB2_CSR_WR(hw, DLB2_LSP_CQ2PRIOV(hw->ver, p->id.phys_id), cq2priov);
+
+ /* Read-modify-write the QID map register */
+ if (i < 4)
+ cq2qid = DLB2_CSR_RD(hw, DLB2_LSP_CQ2QID0(hw->ver,
+ p->id.phys_id));
+ else
+ cq2qid = DLB2_CSR_RD(hw, DLB2_LSP_CQ2QID1(hw->ver,
+ p->id.phys_id));
+
+ if (i == 0 || i == 4)
+ DLB2_BITS_SET(cq2qid, q->id.phys_id, DLB2_LSP_CQ2QID0_QID_P0);
+ if (i == 1 || i == 5)
+ DLB2_BITS_SET(cq2qid, q->id.phys_id, DLB2_LSP_CQ2QID0_QID_P1);
+ if (i == 2 || i == 6)
+ DLB2_BITS_SET(cq2qid, q->id.phys_id, DLB2_LSP_CQ2QID0_QID_P2);
+ if (i == 3 || i == 7)
+ DLB2_BITS_SET(cq2qid, q->id.phys_id, DLB2_LSP_CQ2QID0_QID_P3);
+
+ if (i < 4)
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ2QID0(hw->ver, p->id.phys_id), cq2qid);
+ else
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ2QID1(hw->ver, p->id.phys_id), cq2qid);
+
+ atm_qid2cq = DLB2_CSR_RD(hw,
+ DLB2_ATM_QID2CQIDIX(q->id.phys_id,
+ p->id.phys_id / 4));
+
+ lsp_qid2cq = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID2CQIDIX(hw->ver, q->id.phys_id,
+ p->id.phys_id / 4));
+
+ lsp_qid2cq2 = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID2CQIDIX2(hw->ver, q->id.phys_id,
+ p->id.phys_id / 4));
+
+ switch (p->id.phys_id % 4) {
+ case 0:
+ DLB2_BIT_SET(atm_qid2cq,
+ 1 << (i + DLB2_ATM_QID2CQIDIX_00_CQ_P0_LOC));
+ DLB2_BIT_SET(lsp_qid2cq,
+ 1 << (i + DLB2_LSP_QID2CQIDIX_00_CQ_P0_LOC));
+ DLB2_BIT_SET(lsp_qid2cq2,
+ 1 << (i + DLB2_LSP_QID2CQIDIX2_00_CQ_P0_LOC));
+ break;
+
+ case 1:
+ DLB2_BIT_SET(atm_qid2cq,
+ 1 << (i + DLB2_ATM_QID2CQIDIX_00_CQ_P1_LOC));
+ DLB2_BIT_SET(lsp_qid2cq,
+ 1 << (i + DLB2_LSP_QID2CQIDIX_00_CQ_P1_LOC));
+ DLB2_BIT_SET(lsp_qid2cq2,
+ 1 << (i + DLB2_LSP_QID2CQIDIX2_00_CQ_P1_LOC));
+ break;
+
+ case 2:
+ DLB2_BIT_SET(atm_qid2cq,
+ 1 << (i + DLB2_ATM_QID2CQIDIX_00_CQ_P2_LOC));
+ DLB2_BIT_SET(lsp_qid2cq,
+ 1 << (i + DLB2_LSP_QID2CQIDIX_00_CQ_P2_LOC));
+ DLB2_BIT_SET(lsp_qid2cq2,
+ 1 << (i + DLB2_LSP_QID2CQIDIX2_00_CQ_P2_LOC));
+ break;
+
+ case 3:
+ DLB2_BIT_SET(atm_qid2cq,
+ 1 << (i + DLB2_ATM_QID2CQIDIX_00_CQ_P3_LOC));
+ DLB2_BIT_SET(lsp_qid2cq,
+ 1 << (i + DLB2_LSP_QID2CQIDIX_00_CQ_P3_LOC));
+ DLB2_BIT_SET(lsp_qid2cq2,
+ 1 << (i + DLB2_LSP_QID2CQIDIX2_00_CQ_P3_LOC));
+ break;
+ }
+
+ DLB2_CSR_WR(hw,
+ DLB2_ATM_QID2CQIDIX(q->id.phys_id, p->id.phys_id / 4),
+ atm_qid2cq);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID2CQIDIX(hw->ver,
+ q->id.phys_id, p->id.phys_id / 4),
+ lsp_qid2cq);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID2CQIDIX2(hw->ver,
+ q->id.phys_id, p->id.phys_id / 4),
+ lsp_qid2cq2);
+
+ dlb2_flush_csr(hw);
+
+ p->qid_map[i].qid = q->id.phys_id;
+ p->qid_map[i].priority = priority;
+
+ state = DLB2_QUEUE_MAPPED;
+
+ return dlb2_port_slot_state_transition(hw, p, q, i, state);
+}
+
+static int dlb2_ldb_port_set_has_work_bits(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port,
+ struct dlb2_ldb_queue *queue,
+ int slot)
+{
+ u32 ctrl = 0;
+ u32 active;
+ u32 enq;
+
+ /* Set the atomic scheduling haswork bit */
+ active = DLB2_CSR_RD(hw, DLB2_LSP_QID_AQED_ACTIVE_CNT(hw->ver,
+ queue->id.phys_id));
+
+ DLB2_BITS_SET(ctrl, port->id.phys_id, DLB2_LSP_LDB_SCHED_CTRL_CQ);
+ DLB2_BITS_SET(ctrl, slot, DLB2_LSP_LDB_SCHED_CTRL_QIDIX);
+ DLB2_BIT_SET(ctrl, DLB2_LSP_LDB_SCHED_CTRL_VALUE);
+ DLB2_BITS_SET(ctrl,
+ DLB2_BITS_GET(active,
+ DLB2_LSP_QID_AQED_ACTIVE_CNT_COUNT) > 0,
+ DLB2_LSP_LDB_SCHED_CTRL_RLIST_HASWORK_V);
+
+ /* Set the non-atomic scheduling haswork bit */
+ DLB2_CSR_WR(hw, DLB2_LSP_LDB_SCHED_CTRL(hw->ver), ctrl);
+
+ enq = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID_LDB_ENQUEUE_CNT(hw->ver,
+ queue->id.phys_id));
+
+ memset(&ctrl, 0, sizeof(ctrl));
+
+ DLB2_BITS_SET(ctrl, port->id.phys_id, DLB2_LSP_LDB_SCHED_CTRL_CQ);
+ DLB2_BITS_SET(ctrl, slot, DLB2_LSP_LDB_SCHED_CTRL_QIDIX);
+ DLB2_BIT_SET(ctrl, DLB2_LSP_LDB_SCHED_CTRL_VALUE);
+ DLB2_BITS_SET(ctrl,
+ DLB2_BITS_GET(enq,
+ DLB2_LSP_QID_LDB_ENQUEUE_CNT_COUNT) > 0,
+ DLB2_LSP_LDB_SCHED_CTRL_NALB_HASWORK_V);
+
+ DLB2_CSR_WR(hw, DLB2_LSP_LDB_SCHED_CTRL(hw->ver), ctrl);
+
+ dlb2_flush_csr(hw);
+
+ return 0;
+}
+
+static void dlb2_ldb_port_clear_has_work_bits(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port,
+ u8 slot)
+{
+ u32 ctrl = 0;
+
+ DLB2_BITS_SET(ctrl, port->id.phys_id, DLB2_LSP_LDB_SCHED_CTRL_CQ);
+ DLB2_BITS_SET(ctrl, slot, DLB2_LSP_LDB_SCHED_CTRL_QIDIX);
+ DLB2_BIT_SET(ctrl, DLB2_LSP_LDB_SCHED_CTRL_RLIST_HASWORK_V);
+
+ DLB2_CSR_WR(hw, DLB2_LSP_LDB_SCHED_CTRL(hw->ver), ctrl);
+
+ memset(&ctrl, 0, sizeof(ctrl));
+
+ DLB2_BITS_SET(ctrl, port->id.phys_id, DLB2_LSP_LDB_SCHED_CTRL_CQ);
+ DLB2_BITS_SET(ctrl, slot, DLB2_LSP_LDB_SCHED_CTRL_QIDIX);
+ DLB2_BIT_SET(ctrl, DLB2_LSP_LDB_SCHED_CTRL_NALB_HASWORK_V);
+
+ DLB2_CSR_WR(hw, DLB2_LSP_LDB_SCHED_CTRL(hw->ver), ctrl);
+
+ dlb2_flush_csr(hw);
+}
+
+
+static void dlb2_ldb_queue_set_inflight_limit(struct dlb2_hw *hw,
+ struct dlb2_ldb_queue *queue)
+{
+ u32 infl_lim = 0;
+
+ DLB2_BITS_SET(infl_lim, queue->num_qid_inflights,
+ DLB2_LSP_QID_LDB_INFL_LIM_LIMIT);
+
+ DLB2_CSR_WR(hw, DLB2_LSP_QID_LDB_INFL_LIM(hw->ver, queue->id.phys_id),
+ infl_lim);
+}
+
+static void dlb2_ldb_queue_clear_inflight_limit(struct dlb2_hw *hw,
+ struct dlb2_ldb_queue *queue)
+{
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_LDB_INFL_LIM(hw->ver, queue->id.phys_id),
+ DLB2_LSP_QID_LDB_INFL_LIM_RST);
+}
+
+static int dlb2_ldb_port_finish_map_qid_dynamic(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ struct dlb2_ldb_port *port,
+ struct dlb2_ldb_queue *queue)
+{
+ struct dlb2_list_entry *iter;
+ enum dlb2_qid_map_state state;
+ int slot, ret, i;
+ u32 infl_cnt;
+ u8 prio;
+ RTE_SET_USED(iter);
+
+ infl_cnt = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID_LDB_INFL_CNT(hw->ver,
+ queue->id.phys_id));
+
+ if (DLB2_BITS_GET(infl_cnt, DLB2_LSP_QID_LDB_INFL_CNT_COUNT)) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: non-zero QID inflight count\n",
+ __func__);
+ return -EINVAL;
+ }
+
+ /*
+ * Static map the port and set its corresponding has_work bits.
+ */
+ state = DLB2_QUEUE_MAP_IN_PROG;
+ if (!dlb2_port_find_slot_queue(port, state, queue, &slot))
+ return -EINVAL;
+
+ prio = port->qid_map[slot].priority;
+
+ /*
+ * Update the CQ2QID, CQ2PRIOV, and QID2CQIDX registers, and
+ * the port's qid_map state.
+ */
+ ret = dlb2_ldb_port_map_qid_static(hw, port, queue, prio);
+ if (ret)
+ return ret;
+
+ ret = dlb2_ldb_port_set_has_work_bits(hw, port, queue, slot);
+ if (ret)
+ return ret;
+
+ /*
+ * Ensure IF_status(cq,qid) is 0 before enabling the port to
+ * prevent spurious schedules to cause the queue's inflight
+ * count to increase.
+ */
+ dlb2_ldb_port_clear_queue_if_status(hw, port, slot);
+
+ /* Reset the queue's inflight status */
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ state = DLB2_QUEUE_MAPPED;
+ if (!dlb2_port_find_slot_queue(port, state,
+ queue, &slot))
+ continue;
+
+ dlb2_ldb_port_set_queue_if_status(hw, port, slot);
+ }
+ }
+
+ dlb2_ldb_queue_set_inflight_limit(hw, queue);
+
+ /* Re-enable CQs mapped to this queue */
+ dlb2_ldb_queue_enable_mapped_cqs(hw, domain, queue);
+
+ /* If this queue has other mappings pending, clear its inflight limit */
+ if (queue->num_pending_additions > 0)
+ dlb2_ldb_queue_clear_inflight_limit(hw, queue);
+
+ return 0;
+}
+
+/**
+ * dlb2_ldb_port_map_qid_dynamic() - perform a "dynamic" QID->CQ mapping
+ * @hw: dlb2_hw handle for a particular device.
+ * @port: load-balanced port
+ * @queue: load-balanced queue
+ * @priority: queue servicing priority
+ *
+ * Returns 0 if the queue was mapped, 1 if the mapping is scheduled to occur
+ * at a later point, and <0 if an error occurred.
+ */
+static int dlb2_ldb_port_map_qid_dynamic(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port,
+ struct dlb2_ldb_queue *queue,
+ u8 priority)
+{
+ enum dlb2_qid_map_state state;
+ struct dlb2_hw_domain *domain;
+ int domain_id, slot, ret;
+ u32 infl_cnt;
+
+ domain_id = port->domain_id.phys_id;
+
+ domain = dlb2_get_domain_from_id(hw, domain_id, false, 0);
+ if (domain == NULL) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: unable to find domain %d\n",
+ __func__, port->domain_id.phys_id);
+ return -EINVAL;
+ }
+
+ /*
+ * Set the QID inflight limit to 0 to prevent further scheduling of the
+ * queue.
+ */
+ DLB2_CSR_WR(hw, DLB2_LSP_QID_LDB_INFL_LIM(hw->ver,
+ queue->id.phys_id), 0);
+
+ if (!dlb2_port_find_slot(port, DLB2_QUEUE_UNMAPPED, &slot)) {
+ DLB2_HW_ERR(hw,
+ "Internal error: No available unmapped slots\n");
+ return -EFAULT;
+ }
+
+ port->qid_map[slot].qid = queue->id.phys_id;
+ port->qid_map[slot].priority = priority;
+
+ state = DLB2_QUEUE_MAP_IN_PROG;
+ ret = dlb2_port_slot_state_transition(hw, port, queue, slot, state);
+ if (ret)
+ return ret;
+
+ infl_cnt = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID_LDB_INFL_CNT(hw->ver,
+ queue->id.phys_id));
+
+ if (DLB2_BITS_GET(infl_cnt, DLB2_LSP_QID_LDB_INFL_CNT_COUNT)) {
+ /*
+ * The queue is owed completions so it's not safe to map it
+ * yet. Schedule a kernel thread to complete the mapping later,
+ * once software has completed all the queue's inflight events.
+ */
+ if (!os_worker_active(hw))
+ os_schedule_work(hw);
+
+ return 1;
+ }
+
+ /*
+ * Disable the affected CQ, and the CQs already mapped to the QID,
+ * before reading the QID's inflight count a second time. There is an
+ * unlikely race in which the QID may schedule one more QE after we
+ * read an inflight count of 0, and disabling the CQs guarantees that
+ * the race will not occur after a re-read of the inflight count
+ * register.
+ */
+ if (port->enabled)
+ dlb2_ldb_port_cq_disable(hw, port);
+
+ dlb2_ldb_queue_disable_mapped_cqs(hw, domain, queue);
+
+ infl_cnt = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID_LDB_INFL_CNT(hw->ver,
+ queue->id.phys_id));
+
+ if (DLB2_BITS_GET(infl_cnt, DLB2_LSP_QID_LDB_INFL_CNT_COUNT)) {
+ if (port->enabled)
+ dlb2_ldb_port_cq_enable(hw, port);
+
+ dlb2_ldb_queue_enable_mapped_cqs(hw, domain, queue);
+
+ /*
+ * The queue is owed completions so it's not safe to map it
+ * yet. Schedule a kernel thread to complete the mapping later,
+ * once software has completed all the queue's inflight events.
+ */
+ if (!os_worker_active(hw))
+ os_schedule_work(hw);
+
+ return 1;
+ }
+
+ return dlb2_ldb_port_finish_map_qid_dynamic(hw, domain, port, queue);
+}
+
+static void dlb2_domain_finish_map_port(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ struct dlb2_ldb_port *port)
+{
+ int i;
+
+ for (i = 0; i < DLB2_MAX_NUM_QIDS_PER_LDB_CQ; i++) {
+ u32 infl_cnt;
+ struct dlb2_ldb_queue *queue;
+ int qid;
+
+ if (port->qid_map[i].state != DLB2_QUEUE_MAP_IN_PROG)
+ continue;
+
+ qid = port->qid_map[i].qid;
+
+ queue = dlb2_get_ldb_queue_from_id(hw, qid, false, 0);
+
+ if (queue == NULL) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: unable to find queue %d\n",
+ __func__, qid);
+ continue;
+ }
+
+ infl_cnt = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID_LDB_INFL_CNT(hw->ver, qid));
+
+ if (DLB2_BITS_GET(infl_cnt, DLB2_LSP_QID_LDB_INFL_CNT_COUNT))
+ continue;
+
+ /*
+ * Disable the affected CQ, and the CQs already mapped to the
+ * QID, before reading the QID's inflight count a second time.
+ * There is an unlikely race in which the QID may schedule one
+ * more QE after we read an inflight count of 0, and disabling
+ * the CQs guarantees that the race will not occur after a
+ * re-read of the inflight count register.
+ */
+ if (port->enabled)
+ dlb2_ldb_port_cq_disable(hw, port);
+
+ dlb2_ldb_queue_disable_mapped_cqs(hw, domain, queue);
+
+ infl_cnt = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID_LDB_INFL_CNT(hw->ver, qid));
+
+ if (DLB2_BITS_GET(infl_cnt, DLB2_LSP_QID_LDB_INFL_CNT_COUNT)) {
+ if (port->enabled)
+ dlb2_ldb_port_cq_enable(hw, port);
+
+ dlb2_ldb_queue_enable_mapped_cqs(hw, domain, queue);
+
+ continue;
+ }
+
+ dlb2_ldb_port_finish_map_qid_dynamic(hw, domain, port, queue);
+ }
+}
+
+static unsigned int
+dlb2_domain_finish_map_qid_procedures(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ int i;
+ RTE_SET_USED(iter);
+
+ if (!domain->configured || domain->num_pending_additions == 0)
+ return 0;
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter)
+ dlb2_domain_finish_map_port(hw, domain, port);
+ }
+
+ return domain->num_pending_additions;
+}
+
+static int dlb2_ldb_port_unmap_qid(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port,
+ struct dlb2_ldb_queue *queue)
+{
+ enum dlb2_qid_map_state mapped, in_progress, pending_map, unmapped;
+ u32 lsp_qid2cq2;
+ u32 lsp_qid2cq;
+ u32 atm_qid2cq;
+ u32 cq2priov;
+ u32 queue_id;
+ u32 port_id;
+ int i;
+
+ /* Find the queue's slot */
+ mapped = DLB2_QUEUE_MAPPED;
+ in_progress = DLB2_QUEUE_UNMAP_IN_PROG;
+ pending_map = DLB2_QUEUE_UNMAP_IN_PROG_PENDING_MAP;
+
+ if (!dlb2_port_find_slot_queue(port, mapped, queue, &i) &&
+ !dlb2_port_find_slot_queue(port, in_progress, queue, &i) &&
+ !dlb2_port_find_slot_queue(port, pending_map, queue, &i)) {
+ DLB2_HW_ERR(hw,
+ "[%s():%d] Internal error: QID %d isn't mapped\n",
+ __func__, __LINE__, queue->id.phys_id);
+ return -EFAULT;
+ }
+
+ port_id = port->id.phys_id;
+ queue_id = queue->id.phys_id;
+
+ /* Read-modify-write the priority and valid bit register */
+ cq2priov = DLB2_CSR_RD(hw, DLB2_LSP_CQ2PRIOV(hw->ver, port_id));
+
+ cq2priov &= ~(1 << (i + DLB2_LSP_CQ2PRIOV_V_LOC));
+
+ DLB2_CSR_WR(hw, DLB2_LSP_CQ2PRIOV(hw->ver, port_id), cq2priov);
+
+ atm_qid2cq = DLB2_CSR_RD(hw, DLB2_ATM_QID2CQIDIX(queue_id,
+ port_id / 4));
+
+ lsp_qid2cq = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID2CQIDIX(hw->ver,
+ queue_id, port_id / 4));
+
+ lsp_qid2cq2 = DLB2_CSR_RD(hw,
+ DLB2_LSP_QID2CQIDIX2(hw->ver,
+ queue_id, port_id / 4));
+
+ switch (port_id % 4) {
+ case 0:
+ atm_qid2cq &= ~(1 << (i + DLB2_ATM_QID2CQIDIX_00_CQ_P0_LOC));
+ lsp_qid2cq &= ~(1 << (i + DLB2_LSP_QID2CQIDIX_00_CQ_P0_LOC));
+ lsp_qid2cq2 &= ~(1 << (i + DLB2_LSP_QID2CQIDIX2_00_CQ_P0_LOC));
+ break;
+
+ case 1:
+ atm_qid2cq &= ~(1 << (i + DLB2_ATM_QID2CQIDIX_00_CQ_P1_LOC));
+ lsp_qid2cq &= ~(1 << (i + DLB2_LSP_QID2CQIDIX_00_CQ_P1_LOC));
+ lsp_qid2cq2 &= ~(1 << (i + DLB2_LSP_QID2CQIDIX2_00_CQ_P1_LOC));
+ break;
+
+ case 2:
+ atm_qid2cq &= ~(1 << (i + DLB2_ATM_QID2CQIDIX_00_CQ_P2_LOC));
+ lsp_qid2cq &= ~(1 << (i + DLB2_LSP_QID2CQIDIX_00_CQ_P2_LOC));
+ lsp_qid2cq2 &= ~(1 << (i + DLB2_LSP_QID2CQIDIX2_00_CQ_P2_LOC));
+ break;
+
+ case 3:
+ atm_qid2cq &= ~(1 << (i + DLB2_ATM_QID2CQIDIX_00_CQ_P3_LOC));
+ lsp_qid2cq &= ~(1 << (i + DLB2_LSP_QID2CQIDIX_00_CQ_P3_LOC));
+ lsp_qid2cq2 &= ~(1 << (i + DLB2_LSP_QID2CQIDIX2_00_CQ_P3_LOC));
+ break;
+ }
+
+ DLB2_CSR_WR(hw, DLB2_ATM_QID2CQIDIX(queue_id, port_id / 4), atm_qid2cq);
+
+ DLB2_CSR_WR(hw, DLB2_LSP_QID2CQIDIX(hw->ver, queue_id, port_id / 4),
+ lsp_qid2cq);
+
+ DLB2_CSR_WR(hw, DLB2_LSP_QID2CQIDIX2(hw->ver, queue_id, port_id / 4),
+ lsp_qid2cq2);
+
+ dlb2_flush_csr(hw);
+
+ unmapped = DLB2_QUEUE_UNMAPPED;
+
+ return dlb2_port_slot_state_transition(hw, port, queue, i, unmapped);
+}
+
+static int dlb2_ldb_port_map_qid(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ struct dlb2_ldb_port *port,
+ struct dlb2_ldb_queue *queue,
+ u8 prio)
+{
+ if (domain->started)
+ return dlb2_ldb_port_map_qid_dynamic(hw, port, queue, prio);
+ else
+ return dlb2_ldb_port_map_qid_static(hw, port, queue, prio);
+}
+
+static void
+dlb2_domain_finish_unmap_port_slot(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ struct dlb2_ldb_port *port,
+ int slot)
+{
+ enum dlb2_qid_map_state state;
+ struct dlb2_ldb_queue *queue;
+
+ queue = &hw->rsrcs.ldb_queues[port->qid_map[slot].qid];
+
+ state = port->qid_map[slot].state;
+
+ /* Update the QID2CQIDX and CQ2QID vectors */
+ dlb2_ldb_port_unmap_qid(hw, port, queue);
+
+ /*
+ * Ensure the QID will not be serviced by this {CQ, slot} by clearing
+ * the has_work bits
+ */
+ dlb2_ldb_port_clear_has_work_bits(hw, port, slot);
+
+ /* Reset the {CQ, slot} to its default state */
+ dlb2_ldb_port_set_queue_if_status(hw, port, slot);
+
+ /* Re-enable the CQ if it was not manually disabled by the user */
+ if (port->enabled)
+ dlb2_ldb_port_cq_enable(hw, port);
+
+ /*
+ * If there is a mapping that is pending this slot's removal, perform
+ * the mapping now.
+ */
+ if (state == DLB2_QUEUE_UNMAP_IN_PROG_PENDING_MAP) {
+ struct dlb2_ldb_port_qid_map *map;
+ struct dlb2_ldb_queue *map_queue;
+ u8 prio;
+
+ map = &port->qid_map[slot];
+
+ map->qid = map->pending_qid;
+ map->priority = map->pending_priority;
+
+ map_queue = &hw->rsrcs.ldb_queues[map->qid];
+ prio = map->priority;
+
+ dlb2_ldb_port_map_qid(hw, domain, port, map_queue, prio);
+ }
+}
+
+
+static bool dlb2_domain_finish_unmap_port(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ struct dlb2_ldb_port *port)
+{
+ u32 infl_cnt;
+ int i;
+
+ if (port->num_pending_removals == 0)
+ return false;
+
+ /*
+ * The unmap requires all the CQ's outstanding inflights to be
+ * completed.
+ */
+ infl_cnt = DLB2_CSR_RD(hw, DLB2_LSP_CQ_LDB_INFL_CNT(hw->ver,
+ port->id.phys_id));
+ if (DLB2_BITS_GET(infl_cnt, DLB2_LSP_CQ_LDB_INFL_CNT_COUNT) > 0)
+ return false;
+
+ for (i = 0; i < DLB2_MAX_NUM_QIDS_PER_LDB_CQ; i++) {
+ struct dlb2_ldb_port_qid_map *map;
+
+ map = &port->qid_map[i];
+
+ if (map->state != DLB2_QUEUE_UNMAP_IN_PROG &&
+ map->state != DLB2_QUEUE_UNMAP_IN_PROG_PENDING_MAP)
+ continue;
+
+ dlb2_domain_finish_unmap_port_slot(hw, domain, port, i);
+ }
+
+ return true;
+}
+
+static unsigned int
+dlb2_domain_finish_unmap_qid_procedures(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ int i;
+ RTE_SET_USED(iter);
+
+ if (!domain->configured || domain->num_pending_removals == 0)
+ return 0;
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter)
+ dlb2_domain_finish_unmap_port(hw, domain, port);
+ }
+
+ return domain->num_pending_removals;
+}
+
+static void dlb2_domain_disable_ldb_cqs(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ int i;
+ RTE_SET_USED(iter);
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ port->enabled = false;
+
+ dlb2_ldb_port_cq_disable(hw, port);
+ }
+ }
+}
+
+
+static void dlb2_log_reset_domain(struct dlb2_hw *hw,
+ u32 domain_id,
+ bool vdev_req,
+ unsigned int vdev_id)
+{
+ DLB2_HW_DBG(hw, "DLB2 reset domain:\n");
+ if (vdev_req)
+ DLB2_HW_DBG(hw, "(Request from vdev %d)\n", vdev_id);
+ DLB2_HW_DBG(hw, "\tDomain ID: %d\n", domain_id);
+}
+
+static void dlb2_domain_disable_dir_vpps(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ unsigned int vdev_id)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_dir_pq_pair *port;
+ u32 vpp_v = 0;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter) {
+ unsigned int offs;
+ u32 virt_id;
+
+ if (hw->virt_mode == DLB2_VIRT_SRIOV)
+ virt_id = port->id.virt_id;
+ else
+ virt_id = port->id.phys_id;
+
+ offs = vdev_id * DLB2_MAX_NUM_DIR_PORTS(hw->ver) + virt_id;
+
+ DLB2_CSR_WR(hw, DLB2_SYS_VF_DIR_VPP_V(offs), vpp_v);
+ }
+}
+
+static void dlb2_domain_disable_ldb_vpps(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ unsigned int vdev_id)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ u32 vpp_v = 0;
+ int i;
+ RTE_SET_USED(iter);
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ unsigned int offs;
+ u32 virt_id;
+
+ if (hw->virt_mode == DLB2_VIRT_SRIOV)
+ virt_id = port->id.virt_id;
+ else
+ virt_id = port->id.phys_id;
+
+ offs = vdev_id * DLB2_MAX_NUM_LDB_PORTS + virt_id;
+
+ DLB2_CSR_WR(hw, DLB2_SYS_VF_LDB_VPP_V(offs), vpp_v);
+ }
+ }
+}
+
+static void
+dlb2_domain_disable_ldb_port_interrupts(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ u32 int_en = 0;
+ u32 wd_en = 0;
+ int i;
+ RTE_SET_USED(iter);
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_LDB_CQ_INT_ENB(hw->ver,
+ port->id.phys_id),
+ int_en);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_LDB_CQ_WD_ENB(hw->ver,
+ port->id.phys_id),
+ wd_en);
+ }
+ }
+}
+
+static void
+dlb2_domain_disable_dir_port_interrupts(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_dir_pq_pair *port;
+ u32 int_en = 0;
+ u32 wd_en = 0;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter) {
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_DIR_CQ_INT_ENB(hw->ver, port->id.phys_id),
+ int_en);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_DIR_CQ_WD_ENB(hw->ver, port->id.phys_id),
+ wd_en);
+ }
+}
+
+static void
+dlb2_domain_disable_ldb_queue_write_perms(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ int domain_offset = domain->id.phys_id * DLB2_MAX_NUM_LDB_QUEUES;
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_queue *queue;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter) {
+ int idx = domain_offset + queue->id.phys_id;
+
+ DLB2_CSR_WR(hw, DLB2_SYS_LDB_VASQID_V(idx), 0);
+
+ if (queue->id.vdev_owned) {
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_QID2VQID(queue->id.phys_id),
+ 0);
+
+ idx = queue->id.vdev_id * DLB2_MAX_NUM_LDB_QUEUES +
+ queue->id.virt_id;
+
+ DLB2_CSR_WR(hw, DLB2_SYS_VF_LDB_VQID_V(idx), 0);
+
+ DLB2_CSR_WR(hw, DLB2_SYS_VF_LDB_VQID2QID(idx), 0);
+ }
+ }
+}
+
+static void
+dlb2_domain_disable_dir_queue_write_perms(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_dir_pq_pair *queue;
+ unsigned long max_ports;
+ int domain_offset;
+ RTE_SET_USED(iter);
+
+ max_ports = DLB2_MAX_NUM_DIR_PORTS(hw->ver);
+
+ domain_offset = domain->id.phys_id * max_ports;
+
+ DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, queue, iter) {
+ int idx = domain_offset + queue->id.phys_id;
+
+ DLB2_CSR_WR(hw, DLB2_SYS_DIR_VASQID_V(idx), 0);
+
+ if (queue->id.vdev_owned) {
+ idx = queue->id.vdev_id * max_ports + queue->id.virt_id;
+
+ DLB2_CSR_WR(hw, DLB2_SYS_VF_DIR_VQID_V(idx), 0);
+
+ DLB2_CSR_WR(hw, DLB2_SYS_VF_DIR_VQID2QID(idx), 0);
+ }
+ }
+}
+
+static void dlb2_domain_disable_ldb_seq_checks(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ u32 chk_en = 0;
+ int i;
+ RTE_SET_USED(iter);
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_SN_CHK_ENBL(hw->ver,
+ port->id.phys_id),
+ chk_en);
+ }
+ }
+}
+
+static int dlb2_domain_wait_for_ldb_cqs_to_empty(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ int i;
+ RTE_SET_USED(iter);
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ int j;
+
+ for (j = 0; j < DLB2_MAX_CQ_COMP_CHECK_LOOPS; j++) {
+ if (dlb2_ldb_cq_inflight_count(hw, port) == 0)
+ break;
+ }
+
+ if (j == DLB2_MAX_CQ_COMP_CHECK_LOOPS) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: failed to flush load-balanced port %d's completions.\n",
+ __func__, port->id.phys_id);
+ return -EFAULT;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static void dlb2_domain_disable_dir_cqs(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_dir_pq_pair *port;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter) {
+ port->enabled = false;
+
+ dlb2_dir_port_cq_disable(hw, port);
+ }
+}
+
+static void
+dlb2_domain_disable_dir_producer_ports(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_dir_pq_pair *port;
+ u32 pp_v = 0;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter) {
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_PP_V(port->id.phys_id),
+ pp_v);
+ }
+}
+
+static void
+dlb2_domain_disable_ldb_producer_ports(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ u32 pp_v = 0;
+ int i;
+ RTE_SET_USED(iter);
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter) {
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_PP_V(port->id.phys_id),
+ pp_v);
+ }
+ }
+}
+
+static int dlb2_domain_verify_reset_success(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_dir_pq_pair *dir_port;
+ struct dlb2_ldb_port *ldb_port;
+ struct dlb2_ldb_queue *queue;
+ int i;
+ RTE_SET_USED(iter);
+
+ /*
+ * Confirm that all the domain's queue's inflight counts and AQED
+ * active counts are 0.
+ */
+ DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter) {
+ if (!dlb2_ldb_queue_is_empty(hw, queue)) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: failed to empty ldb queue %d\n",
+ __func__, queue->id.phys_id);
+ return -EFAULT;
+ }
+ }
+
+ /* Confirm that all the domain's CQs inflight and token counts are 0. */
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], ldb_port, iter) {
+ if (dlb2_ldb_cq_inflight_count(hw, ldb_port) ||
+ dlb2_ldb_cq_token_count(hw, ldb_port)) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: failed to empty ldb port %d\n",
+ __func__, ldb_port->id.phys_id);
+ return -EFAULT;
+ }
+ }
+ }
+
+ DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, dir_port, iter) {
+ if (!dlb2_dir_queue_is_empty(hw, dir_port)) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: failed to empty dir queue %d\n",
+ __func__, dir_port->id.phys_id);
+ return -EFAULT;
+ }
+
+ if (dlb2_dir_cq_token_count(hw, dir_port)) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: failed to empty dir port %d\n",
+ __func__, dir_port->id.phys_id);
+ return -EFAULT;
+ }
+ }
+
+ return 0;
+}
+
+static void __dlb2_domain_reset_ldb_port_registers(struct dlb2_hw *hw,
+ struct dlb2_ldb_port *port)
+{
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_PP2VAS(port->id.phys_id),
+ DLB2_SYS_LDB_PP2VAS_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_LDB_CQ2VAS(hw->ver, port->id.phys_id),
+ DLB2_CHP_LDB_CQ2VAS_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_PP2VDEV(port->id.phys_id),
+ DLB2_SYS_LDB_PP2VDEV_RST);
+
+ if (port->id.vdev_owned) {
+ unsigned int offs;
+ u32 virt_id;
+
+ /*
+ * DLB uses producer port address bits 17:12 to determine the
+ * producer port ID. In Scalable IOV mode, PP accesses come
+ * through the PF MMIO window for the physical producer port,
+ * so for translation purposes the virtual and physical port
+ * IDs are equal.
+ */
+ if (hw->virt_mode == DLB2_VIRT_SRIOV)
+ virt_id = port->id.virt_id;
+ else
+ virt_id = port->id.phys_id;
+
+ offs = port->id.vdev_id * DLB2_MAX_NUM_LDB_PORTS + virt_id;
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_VF_LDB_VPP2PP(offs),
+ DLB2_SYS_VF_LDB_VPP2PP_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_VF_LDB_VPP_V(offs),
+ DLB2_SYS_VF_LDB_VPP_V_RST);
+ }
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_PP_V(port->id.phys_id),
+ DLB2_SYS_LDB_PP_V_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_LDB_DSBL(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ_LDB_DSBL_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_LDB_CQ_DEPTH(hw->ver, port->id.phys_id),
+ DLB2_CHP_LDB_CQ_DEPTH_RST);
+
+ if (hw->ver != DLB2_HW_V2)
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CFG_CQ_LDB_WU_LIMIT(port->id.phys_id),
+ DLB2_LSP_CFG_CQ_LDB_WU_LIMIT_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_LDB_INFL_LIM(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ_LDB_INFL_LIM_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_HIST_LIST_LIM(hw->ver, port->id.phys_id),
+ DLB2_CHP_HIST_LIST_LIM_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_HIST_LIST_BASE(hw->ver, port->id.phys_id),
+ DLB2_CHP_HIST_LIST_BASE_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_HIST_LIST_POP_PTR(hw->ver, port->id.phys_id),
+ DLB2_CHP_HIST_LIST_POP_PTR_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_HIST_LIST_PUSH_PTR(hw->ver, port->id.phys_id),
+ DLB2_CHP_HIST_LIST_PUSH_PTR_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_LDB_CQ_INT_DEPTH_THRSH(hw->ver, port->id.phys_id),
+ DLB2_CHP_LDB_CQ_INT_DEPTH_THRSH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_LDB_CQ_TMR_THRSH(hw->ver, port->id.phys_id),
+ DLB2_CHP_LDB_CQ_TMR_THRSH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_LDB_CQ_INT_ENB(hw->ver, port->id.phys_id),
+ DLB2_CHP_LDB_CQ_INT_ENB_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_CQ_ISR(port->id.phys_id),
+ DLB2_SYS_LDB_CQ_ISR_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_LDB_TKN_DEPTH_SEL(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ_LDB_TKN_DEPTH_SEL_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_LDB_CQ_TKN_DEPTH_SEL(hw->ver, port->id.phys_id),
+ DLB2_CHP_LDB_CQ_TKN_DEPTH_SEL_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_LDB_CQ_WPTR(hw->ver, port->id.phys_id),
+ DLB2_CHP_LDB_CQ_WPTR_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_LDB_TKN_CNT(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ_LDB_TKN_CNT_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_CQ_ADDR_L(port->id.phys_id),
+ DLB2_SYS_LDB_CQ_ADDR_L_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_CQ_ADDR_U(port->id.phys_id),
+ DLB2_SYS_LDB_CQ_ADDR_U_RST);
+
+ if (hw->ver == DLB2_HW_V2)
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_CQ_AT(port->id.phys_id),
+ DLB2_SYS_LDB_CQ_AT_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_CQ_PASID(hw->ver, port->id.phys_id),
+ DLB2_SYS_LDB_CQ_PASID_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_CQ2VF_PF_RO(port->id.phys_id),
+ DLB2_SYS_LDB_CQ2VF_PF_RO_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_LDB_TOT_SCH_CNTL(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ_LDB_TOT_SCH_CNTL_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_LDB_TOT_SCH_CNTH(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ_LDB_TOT_SCH_CNTH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ2QID0(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ2QID0_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ2QID1(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ2QID1_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ2PRIOV(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ2PRIOV_RST);
+}
+
+static void dlb2_domain_reset_ldb_port_registers(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_port *port;
+ int i;
+ RTE_SET_USED(iter);
+
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ DLB2_DOM_LIST_FOR(domain->used_ldb_ports[i], port, iter)
+ __dlb2_domain_reset_ldb_port_registers(hw, port);
+ }
+}
+
+static void
+__dlb2_domain_reset_dir_port_registers(struct dlb2_hw *hw,
+ struct dlb2_dir_pq_pair *port)
+{
+ u32 reg = 0;
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_DIR_CQ2VAS(hw->ver, port->id.phys_id),
+ DLB2_CHP_DIR_CQ2VAS_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_DIR_DSBL(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ_DIR_DSBL_RST);
+
+ DLB2_BIT_SET(reg, DLB2_SYS_WB_DIR_CQ_STATE_CQ_OPT_CLR);
+
+ if (hw->ver == DLB2_HW_V2)
+ DLB2_CSR_WR(hw, DLB2_SYS_DIR_CQ_OPT_CLR, port->id.phys_id);
+ else
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_WB_DIR_CQ_STATE(port->id.phys_id), reg);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_DIR_CQ_DEPTH(hw->ver, port->id.phys_id),
+ DLB2_CHP_DIR_CQ_DEPTH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_DIR_CQ_INT_DEPTH_THRSH(hw->ver, port->id.phys_id),
+ DLB2_CHP_DIR_CQ_INT_DEPTH_THRSH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_DIR_CQ_TMR_THRSH(hw->ver, port->id.phys_id),
+ DLB2_CHP_DIR_CQ_TMR_THRSH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_DIR_CQ_INT_ENB(hw->ver, port->id.phys_id),
+ DLB2_CHP_DIR_CQ_INT_ENB_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_CQ_ISR(port->id.phys_id),
+ DLB2_SYS_DIR_CQ_ISR_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_DIR_TKN_DEPTH_SEL_DSI(hw->ver,
+ port->id.phys_id),
+ DLB2_LSP_CQ_DIR_TKN_DEPTH_SEL_DSI_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_DIR_CQ_TKN_DEPTH_SEL(hw->ver, port->id.phys_id),
+ DLB2_CHP_DIR_CQ_TKN_DEPTH_SEL_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_DIR_CQ_WPTR(hw->ver, port->id.phys_id),
+ DLB2_CHP_DIR_CQ_WPTR_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_DIR_TKN_CNT(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ_DIR_TKN_CNT_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_CQ_ADDR_L(port->id.phys_id),
+ DLB2_SYS_DIR_CQ_ADDR_L_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_CQ_ADDR_U(port->id.phys_id),
+ DLB2_SYS_DIR_CQ_ADDR_U_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_CQ_AT(port->id.phys_id),
+ DLB2_SYS_DIR_CQ_AT_RST);
+
+ if (hw->ver == DLB2_HW_V2)
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_CQ_AT(port->id.phys_id),
+ DLB2_SYS_DIR_CQ_AT_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_CQ_PASID(hw->ver, port->id.phys_id),
+ DLB2_SYS_DIR_CQ_PASID_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_CQ_FMT(port->id.phys_id),
+ DLB2_SYS_DIR_CQ_FMT_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_CQ2VF_PF_RO(port->id.phys_id),
+ DLB2_SYS_DIR_CQ2VF_PF_RO_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_DIR_TOT_SCH_CNTL(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ_DIR_TOT_SCH_CNTL_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_CQ_DIR_TOT_SCH_CNTH(hw->ver, port->id.phys_id),
+ DLB2_LSP_CQ_DIR_TOT_SCH_CNTH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_PP2VAS(port->id.phys_id),
+ DLB2_SYS_DIR_PP2VAS_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_DIR_CQ2VAS(hw->ver, port->id.phys_id),
+ DLB2_CHP_DIR_CQ2VAS_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_PP2VDEV(port->id.phys_id),
+ DLB2_SYS_DIR_PP2VDEV_RST);
+
+ if (port->id.vdev_owned) {
+ unsigned int offs;
+ u32 virt_id;
+
+ /*
+ * DLB uses producer port address bits 17:12 to determine the
+ * producer port ID. In Scalable IOV mode, PP accesses come
+ * through the PF MMIO window for the physical producer port,
+ * so for translation purposes the virtual and physical port
+ * IDs are equal.
+ */
+ if (hw->virt_mode == DLB2_VIRT_SRIOV)
+ virt_id = port->id.virt_id;
+ else
+ virt_id = port->id.phys_id;
+
+ offs = port->id.vdev_id * DLB2_MAX_NUM_DIR_PORTS(hw->ver) +
+ virt_id;
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_VF_DIR_VPP2PP(offs),
+ DLB2_SYS_VF_DIR_VPP2PP_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_VF_DIR_VPP_V(offs),
+ DLB2_SYS_VF_DIR_VPP_V_RST);
+ }
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_PP_V(port->id.phys_id),
+ DLB2_SYS_DIR_PP_V_RST);
+}
+
+static void dlb2_domain_reset_dir_port_registers(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_dir_pq_pair *port;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, port, iter)
+ __dlb2_domain_reset_dir_port_registers(hw, port);
+}
+
+static void dlb2_domain_reset_ldb_queue_registers(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_queue *queue;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter) {
+ unsigned int queue_id = queue->id.phys_id;
+ int i;
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_NALDB_TOT_ENQ_CNTL(hw->ver, queue_id),
+ DLB2_LSP_QID_NALDB_TOT_ENQ_CNTL_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_NALDB_TOT_ENQ_CNTH(hw->ver, queue_id),
+ DLB2_LSP_QID_NALDB_TOT_ENQ_CNTH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_ATM_TOT_ENQ_CNTL(hw->ver, queue_id),
+ DLB2_LSP_QID_ATM_TOT_ENQ_CNTL_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_ATM_TOT_ENQ_CNTH(hw->ver, queue_id),
+ DLB2_LSP_QID_ATM_TOT_ENQ_CNTH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_NALDB_MAX_DEPTH(hw->ver, queue_id),
+ DLB2_LSP_QID_NALDB_MAX_DEPTH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_LDB_INFL_LIM(hw->ver, queue_id),
+ DLB2_LSP_QID_LDB_INFL_LIM_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_AQED_ACTIVE_LIM(hw->ver, queue_id),
+ DLB2_LSP_QID_AQED_ACTIVE_LIM_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_ATM_DEPTH_THRSH(hw->ver, queue_id),
+ DLB2_LSP_QID_ATM_DEPTH_THRSH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_NALDB_DEPTH_THRSH(hw->ver, queue_id),
+ DLB2_LSP_QID_NALDB_DEPTH_THRSH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_QID_ITS(queue_id),
+ DLB2_SYS_LDB_QID_ITS_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_ORD_QID_SN(hw->ver, queue_id),
+ DLB2_CHP_ORD_QID_SN_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_ORD_QID_SN_MAP(hw->ver, queue_id),
+ DLB2_CHP_ORD_QID_SN_MAP_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_QID_V(queue_id),
+ DLB2_SYS_LDB_QID_V_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_LDB_QID_CFG_V(queue_id),
+ DLB2_SYS_LDB_QID_CFG_V_RST);
+
+ if (queue->sn_cfg_valid) {
+ u32 offs[2];
+
+ offs[0] = DLB2_RO_GRP_0_SLT_SHFT(hw->ver,
+ queue->sn_slot);
+ offs[1] = DLB2_RO_GRP_1_SLT_SHFT(hw->ver,
+ queue->sn_slot);
+
+ DLB2_CSR_WR(hw,
+ offs[queue->sn_group],
+ DLB2_RO_GRP_0_SLT_SHFT_RST);
+ }
+
+ for (i = 0; i < DLB2_LSP_QID2CQIDIX_NUM; i++) {
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID2CQIDIX(hw->ver, queue_id, i),
+ DLB2_LSP_QID2CQIDIX_00_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID2CQIDIX2(hw->ver, queue_id, i),
+ DLB2_LSP_QID2CQIDIX2_00_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_ATM_QID2CQIDIX(queue_id, i),
+ DLB2_ATM_QID2CQIDIX_00_RST);
+ }
+ }
+}
+
+static void dlb2_domain_reset_dir_queue_registers(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_dir_pq_pair *queue;
+ RTE_SET_USED(iter);
+
+ DLB2_DOM_LIST_FOR(domain->used_dir_pq_pairs, queue, iter) {
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_DIR_MAX_DEPTH(hw->ver,
+ queue->id.phys_id),
+ DLB2_LSP_QID_DIR_MAX_DEPTH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_DIR_TOT_ENQ_CNTL(hw->ver,
+ queue->id.phys_id),
+ DLB2_LSP_QID_DIR_TOT_ENQ_CNTL_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_DIR_TOT_ENQ_CNTH(hw->ver,
+ queue->id.phys_id),
+ DLB2_LSP_QID_DIR_TOT_ENQ_CNTH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_LSP_QID_DIR_DEPTH_THRSH(hw->ver,
+ queue->id.phys_id),
+ DLB2_LSP_QID_DIR_DEPTH_THRSH_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_QID_ITS(queue->id.phys_id),
+ DLB2_SYS_DIR_QID_ITS_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_SYS_DIR_QID_V(queue->id.phys_id),
+ DLB2_SYS_DIR_QID_V_RST);
+ }
+}
+
+
+
+
+
+static void dlb2_domain_reset_registers(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ dlb2_domain_reset_ldb_port_registers(hw, domain);
+
+ dlb2_domain_reset_dir_port_registers(hw, domain);
+
+ dlb2_domain_reset_ldb_queue_registers(hw, domain);
+
+ dlb2_domain_reset_dir_queue_registers(hw, domain);
+
+ if (hw->ver == DLB2_HW_V2) {
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_CFG_LDB_VAS_CRD(domain->id.phys_id),
+ DLB2_CHP_CFG_LDB_VAS_CRD_RST);
+
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_CFG_DIR_VAS_CRD(domain->id.phys_id),
+ DLB2_CHP_CFG_DIR_VAS_CRD_RST);
+ } else
+ DLB2_CSR_WR(hw,
+ DLB2_CHP_CFG_VAS_CRD(domain->id.phys_id),
+ DLB2_CHP_CFG_VAS_CRD_RST);
+}
+
+static int dlb2_domain_reset_software_state(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_dir_pq_pair *tmp_dir_port;
+ struct dlb2_ldb_queue *tmp_ldb_queue;
+ struct dlb2_ldb_port *tmp_ldb_port;
+ struct dlb2_list_entry *iter1;
+ struct dlb2_list_entry *iter2;
+ struct dlb2_function_resources *rsrcs;
+ struct dlb2_dir_pq_pair *dir_port;
+ struct dlb2_ldb_queue *ldb_queue;
+ struct dlb2_ldb_port *ldb_port;
+ struct dlb2_list_head *list;
+ int ret, i;
+ RTE_SET_USED(tmp_dir_port);
+ RTE_SET_USED(tmp_ldb_queue);
+ RTE_SET_USED(tmp_ldb_port);
+ RTE_SET_USED(iter1);
+ RTE_SET_USED(iter2);
+
+ rsrcs = domain->parent_func;
+
+ /* Move the domain's ldb queues to the function's avail list */
+ list = &domain->used_ldb_queues;
+ DLB2_DOM_LIST_FOR_SAFE(*list, ldb_queue, tmp_ldb_queue, iter1, iter2) {
+ if (ldb_queue->sn_cfg_valid) {
+ struct dlb2_sn_group *grp;
+
+ grp = &hw->rsrcs.sn_groups[ldb_queue->sn_group];
+
+ dlb2_sn_group_free_slot(grp, ldb_queue->sn_slot);
+ ldb_queue->sn_cfg_valid = false;
+ }
+
+ ldb_queue->owned = false;
+ ldb_queue->num_mappings = 0;
+ ldb_queue->num_pending_additions = 0;
+
+ dlb2_list_del(&domain->used_ldb_queues,
+ &ldb_queue->domain_list);
+ dlb2_list_add(&rsrcs->avail_ldb_queues,
+ &ldb_queue->func_list);
+ rsrcs->num_avail_ldb_queues++;
+ }
+
+ list = &domain->avail_ldb_queues;
+ DLB2_DOM_LIST_FOR_SAFE(*list, ldb_queue, tmp_ldb_queue, iter1, iter2) {
+ ldb_queue->owned = false;
+
+ dlb2_list_del(&domain->avail_ldb_queues,
+ &ldb_queue->domain_list);
+ dlb2_list_add(&rsrcs->avail_ldb_queues,
+ &ldb_queue->func_list);
+ rsrcs->num_avail_ldb_queues++;
+ }
+
+ /* Move the domain's ldb ports to the function's avail list */
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ list = &domain->used_ldb_ports[i];
+ DLB2_DOM_LIST_FOR_SAFE(*list, ldb_port, tmp_ldb_port,
+ iter1, iter2) {
+ int j;
+
+ ldb_port->owned = false;
+ ldb_port->configured = false;
+ ldb_port->num_pending_removals = 0;
+ ldb_port->num_mappings = 0;
+ ldb_port->init_tkn_cnt = 0;
+ ldb_port->cq_depth = 0;
+ for (j = 0; j < DLB2_MAX_NUM_QIDS_PER_LDB_CQ; j++)
+ ldb_port->qid_map[j].state =
+ DLB2_QUEUE_UNMAPPED;
+
+ dlb2_list_del(&domain->used_ldb_ports[i],
+ &ldb_port->domain_list);
+ dlb2_list_add(&rsrcs->avail_ldb_ports[i],
+ &ldb_port->func_list);
+ rsrcs->num_avail_ldb_ports[i]++;
+ }
+
+ list = &domain->avail_ldb_ports[i];
+ DLB2_DOM_LIST_FOR_SAFE(*list, ldb_port, tmp_ldb_port,
+ iter1, iter2) {
+ ldb_port->owned = false;
+
+ dlb2_list_del(&domain->avail_ldb_ports[i],
+ &ldb_port->domain_list);
+ dlb2_list_add(&rsrcs->avail_ldb_ports[i],
+ &ldb_port->func_list);
+ rsrcs->num_avail_ldb_ports[i]++;
+ }
+ }
+
+ /* Move the domain's dir ports to the function's avail list */
+ list = &domain->used_dir_pq_pairs;
+ DLB2_DOM_LIST_FOR_SAFE(*list, dir_port, tmp_dir_port, iter1, iter2) {
+ dir_port->owned = false;
+ dir_port->port_configured = false;
+ dir_port->init_tkn_cnt = 0;
+
+ dlb2_list_del(&domain->used_dir_pq_pairs,
+ &dir_port->domain_list);
+
+ dlb2_list_add(&rsrcs->avail_dir_pq_pairs,
+ &dir_port->func_list);
+ rsrcs->num_avail_dir_pq_pairs++;
+ }
+
+ list = &domain->avail_dir_pq_pairs;
+ DLB2_DOM_LIST_FOR_SAFE(*list, dir_port, tmp_dir_port, iter1, iter2) {
+ dir_port->owned = false;
+
+ dlb2_list_del(&domain->avail_dir_pq_pairs,
+ &dir_port->domain_list);
+
+ dlb2_list_add(&rsrcs->avail_dir_pq_pairs,
+ &dir_port->func_list);
+ rsrcs->num_avail_dir_pq_pairs++;
+ }
+
+ /* Return hist list entries to the function */
+ ret = dlb2_bitmap_set_range(rsrcs->avail_hist_list_entries,
+ domain->hist_list_entry_base,
+ domain->total_hist_list_entries);
+ if (ret) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: domain hist list base does not match the function's bitmap.\n",
+ __func__);
+ return ret;
+ }
+
+ domain->total_hist_list_entries = 0;
+ domain->avail_hist_list_entries = 0;
+ domain->hist_list_entry_base = 0;
+ domain->hist_list_entry_offset = 0;
+
+ if (hw->ver == DLB2_HW_V2_5) {
+ rsrcs->num_avail_entries += domain->num_credits;
+ domain->num_credits = 0;
+ } else {
+ rsrcs->num_avail_qed_entries += domain->num_ldb_credits;
+ domain->num_ldb_credits = 0;
+
+ rsrcs->num_avail_dqed_entries += domain->num_dir_credits;
+ domain->num_dir_credits = 0;
+ }
+ rsrcs->num_avail_aqed_entries += domain->num_avail_aqed_entries;
+ rsrcs->num_avail_aqed_entries += domain->num_used_aqed_entries;
+ domain->num_avail_aqed_entries = 0;
+ domain->num_used_aqed_entries = 0;
+
+ domain->num_pending_removals = 0;
+ domain->num_pending_additions = 0;
+ domain->configured = false;
+ domain->started = false;
+
+ /*
+ * Move the domain out of the used_domains list and back to the
+ * function's avail_domains list.
+ */
+ dlb2_list_del(&rsrcs->used_domains, &domain->func_list);
+ dlb2_list_add(&rsrcs->avail_domains, &domain->func_list);
+ rsrcs->num_avail_domains++;
+
+ return 0;
+}
+
+static int dlb2_domain_drain_unmapped_queue(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain,
+ struct dlb2_ldb_queue *queue)
+{
+ struct dlb2_ldb_port *port = NULL;
+ int ret, i;
+
+ /* If a domain has LDB queues, it must have LDB ports */
+ for (i = 0; i < DLB2_NUM_COS_DOMAINS; i++) {
+ port = DLB2_DOM_LIST_HEAD(domain->used_ldb_ports[i],
+ typeof(*port));
+ if (port)
+ break;
+ }
+
+ if (port == NULL) {
+ DLB2_HW_ERR(hw,
+ "[%s()] Internal error: No configured LDB ports\n",
+ __func__);
+ return -EFAULT;
+ }
+
+ /* If necessary, free up a QID slot in this CQ */
+ if (port->num_mappings == DLB2_MAX_NUM_QIDS_PER_LDB_CQ) {
+ struct dlb2_ldb_queue *mapped_queue;
+
+ mapped_queue = &hw->rsrcs.ldb_queues[port->qid_map[0].qid];
+
+ ret = dlb2_ldb_port_unmap_qid(hw, port, mapped_queue);
+ if (ret)
+ return ret;
+ }
+
+ ret = dlb2_ldb_port_map_qid_dynamic(hw, port, queue, 0);
+ if (ret)
+ return ret;
+
+ return dlb2_domain_drain_mapped_queues(hw, domain);
+}
+
+static int dlb2_domain_drain_unmapped_queues(struct dlb2_hw *hw,
+ struct dlb2_hw_domain *domain)
+{
+ struct dlb2_list_entry *iter;
+ struct dlb2_ldb_queue *queue;
+ int ret;
+ RTE_SET_USED(iter);
+
+ /* If the domain hasn't been started, there's no traffic to drain */
+ if (!domain->started)
+ return 0;
+
+ /*
+ * Pre-condition: the unattached queue must not have any outstanding
+ * completions. This is ensured by calling dlb2_domain_drain_ldb_cqs()
+ * prior to this in dlb2_domain_drain_mapped_queues().
+ */
+ DLB2_DOM_LIST_FOR(domain->used_ldb_queues, queue, iter) {
+ if (queue->num_mappings != 0 ||
+ dlb2_ldb_queue_is_empty(hw, queue))
+ continue;
+
+ ret = dlb2_domain_drain_unmapped_queue(hw, domain, queue);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+/**
+ * dlb2_reset_domain() - reset a scheduling domain
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @vdev_req: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_req is true, this contains the vdev's ID.
+ *
+ * This function resets and frees a DLB 2.0 scheduling domain and its associated
+ * resources.
+ *
+ * Pre-condition: the driver must ensure software has stopped sending QEs
+ * through this domain's producer ports before invoking this function, or
+ * undefined behavior will result.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, -1 otherwise.
+ *
+ * EINVAL - Invalid domain ID, or the domain is not configured.
+ * EFAULT - Internal error. (Possibly caused if software is the pre-condition
+ * is not met.)
+ * ETIMEDOUT - Hardware component didn't reset in the expected time.
+ */
+int dlb2_reset_domain(struct dlb2_hw *hw,
+ u32 domain_id,
+ bool vdev_req,
+ unsigned int vdev_id)
+{
+ struct dlb2_hw_domain *domain;
+ int ret;
+
+ dlb2_log_reset_domain(hw, domain_id, vdev_req, vdev_id);
+
+ domain = dlb2_get_domain_from_id(hw, domain_id, vdev_req, vdev_id);
+
+ if (domain == NULL || !domain->configured)
+ return -EINVAL;
+
+ /* Disable VPPs */
+ if (vdev_req) {
+ dlb2_domain_disable_dir_vpps(hw, domain, vdev_id);
+
+ dlb2_domain_disable_ldb_vpps(hw, domain, vdev_id);
+ }
+
+ /* Disable CQ interrupts */
+ dlb2_domain_disable_dir_port_interrupts(hw, domain);
+
+ dlb2_domain_disable_ldb_port_interrupts(hw, domain);
+
+ /*
+ * For each queue owned by this domain, disable its write permissions to
+ * cause any traffic sent to it to be dropped. Well-behaved software
+ * should not be sending QEs at this point.
+ */
+ dlb2_domain_disable_dir_queue_write_perms(hw, domain);
+
+ dlb2_domain_disable_ldb_queue_write_perms(hw, domain);
+
+ /* Turn off completion tracking on all the domain's PPs. */
+ dlb2_domain_disable_ldb_seq_checks(hw, domain);
+
+ /*
+ * Disable the LDB CQs and drain them in order to complete the map and
+ * unmap procedures, which require zero CQ inflights and zero QID
+ * inflights respectively.
+ */
+ dlb2_domain_disable_ldb_cqs(hw, domain);
+
+ dlb2_domain_drain_ldb_cqs(hw, domain, false);
+
+ ret = dlb2_domain_wait_for_ldb_cqs_to_empty(hw, domain);
+ if (ret)
+ return ret;
+
+ ret = dlb2_domain_finish_unmap_qid_procedures(hw, domain);
+ if (ret)
+ return ret;
+
+ ret = dlb2_domain_finish_map_qid_procedures(hw, domain);
+ if (ret)
+ return ret;
+
+ /* Re-enable the CQs in order to drain the mapped queues. */
+ dlb2_domain_enable_ldb_cqs(hw, domain);
+
+ ret = dlb2_domain_drain_mapped_queues(hw, domain);
+ if (ret)
+ return ret;
+
+ ret = dlb2_domain_drain_unmapped_queues(hw, domain);
+ if (ret)
+ return ret;
+
+ /* Done draining LDB QEs, so disable the CQs. */
+ dlb2_domain_disable_ldb_cqs(hw, domain);
+
+ dlb2_domain_drain_dir_queues(hw, domain);
+
+ /* Done draining DIR QEs, so disable the CQs. */
+ dlb2_domain_disable_dir_cqs(hw, domain);
+
+ /* Disable PPs */
+ dlb2_domain_disable_dir_producer_ports(hw, domain);
+
+ dlb2_domain_disable_ldb_producer_ports(hw, domain);
+
+ ret = dlb2_domain_verify_reset_success(hw, domain);
+ if (ret)
+ return ret;
+
+ /* Reset the QID and port state. */
+ dlb2_domain_reset_registers(hw, domain);
+
+ /* Hardware reset complete. Reset the domain's software state */
+ return dlb2_domain_reset_software_state(hw, domain);
+}
git.droids-corp.org / dpdk.git / commitdiff