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authorYixian Liu <liuyixian@huawei.com>2017-11-14 17:26:16 +0800
committerJason Gunthorpe <jgg@mellanox.com>2017-12-22 09:21:38 -0700
commitb16f8188472efac75f5afc9a8226d635a9075672 (patch)
treedfa5b4ca939f4c95bc8908dec52c887b882af758 /drivers/infiniband/hw/hns/hns_roce_hw_v1.c
parent744820869166c8c78be891240cf5f66e8a333694 (diff)
downloadtalos-op-linux-b16f8188472efac75f5afc9a8226d635a9075672.tar.gz
talos-op-linux-b16f8188472efac75f5afc9a8226d635a9075672.zip
RDMA/hns: Refactor eq code for hip06
Considering the compatibility of supporting hip08's eq process and possible changes of data structure, this patch refactors the eq code structure of hip06. We move all the eq process code for hip06 from hns_roce_eq.c into hns_roce_hw_v1.c, and also for hns_roce_eq.h. With these changes, it will be convenient to add the eq support for later hardware version. Signed-off-by: Yixian Liu <liuyixian@huawei.com> Reviewed-by: Lijun Ou <oulijun@huawei.com> Reviewed-by: Wei Hu (Xavier) <xavier.huwei@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hw_v1.c')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v1.c740
1 files changed, 731 insertions, 9 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index af27168faf0f..6100ace9f4b6 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -33,6 +33,7 @@
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/etherdevice.h>
+#include <linux/interrupt.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <rdma/ib_umem.h>
@@ -1492,9 +1493,9 @@ static int hns_roce_v1_profile(struct hns_roce_dev *hr_dev)
caps->max_sq_inline = HNS_ROCE_V1_INLINE_SIZE;
caps->num_uars = HNS_ROCE_V1_UAR_NUM;
caps->phy_num_uars = HNS_ROCE_V1_PHY_UAR_NUM;
- caps->num_aeq_vectors = HNS_ROCE_AEQE_VEC_NUM;
- caps->num_comp_vectors = HNS_ROCE_COMP_VEC_NUM;
- caps->num_other_vectors = HNS_ROCE_AEQE_OF_VEC_NUM;
+ caps->num_aeq_vectors = HNS_ROCE_V1_AEQE_VEC_NUM;
+ caps->num_comp_vectors = HNS_ROCE_V1_COMP_VEC_NUM;
+ caps->num_other_vectors = HNS_ROCE_V1_ABNORMAL_VEC_NUM;
caps->num_mtpts = HNS_ROCE_V1_MAX_MTPT_NUM;
caps->num_mtt_segs = HNS_ROCE_V1_MAX_MTT_SEGS;
caps->num_pds = HNS_ROCE_V1_MAX_PD_NUM;
@@ -1529,10 +1530,8 @@ static int hns_roce_v1_profile(struct hns_roce_dev *hr_dev)
caps->num_ports + 1;
}
- for (i = 0; i < caps->num_comp_vectors; i++)
- caps->ceqe_depth[i] = HNS_ROCE_V1_NUM_COMP_EQE;
-
- caps->aeqe_depth = HNS_ROCE_V1_NUM_ASYNC_EQE;
+ caps->ceqe_depth = HNS_ROCE_V1_COMP_EQE_NUM;
+ caps->aeqe_depth = HNS_ROCE_V1_ASYNC_EQE_NUM;
caps->local_ca_ack_delay = le32_to_cpu(roce_read(hr_dev,
ROCEE_ACK_DELAY_REG));
caps->max_mtu = IB_MTU_2048;
@@ -3960,6 +3959,727 @@ static int hns_roce_v1_destroy_cq(struct ib_cq *ibcq)
return ret;
}
+static void set_eq_cons_index_v1(struct hns_roce_eq *eq, int req_not)
+{
+ roce_raw_write((eq->cons_index & HNS_ROCE_V1_CONS_IDX_M) |
+ (req_not << eq->log_entries), eq->doorbell);
+ /* Memory barrier */
+ mb();
+}
+
+static void hns_roce_v1_wq_catas_err_handle(struct hns_roce_dev *hr_dev,
+ struct hns_roce_aeqe *aeqe, int qpn)
+{
+ struct device *dev = &hr_dev->pdev->dev;
+
+ dev_warn(dev, "Local Work Queue Catastrophic Error.\n");
+ switch (roce_get_field(aeqe->asyn, HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_M,
+ HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_S)) {
+ case HNS_ROCE_LWQCE_QPC_ERROR:
+ dev_warn(dev, "QP %d, QPC error.\n", qpn);
+ break;
+ case HNS_ROCE_LWQCE_MTU_ERROR:
+ dev_warn(dev, "QP %d, MTU error.\n", qpn);
+ break;
+ case HNS_ROCE_LWQCE_WQE_BA_ADDR_ERROR:
+ dev_warn(dev, "QP %d, WQE BA addr error.\n", qpn);
+ break;
+ case HNS_ROCE_LWQCE_WQE_ADDR_ERROR:
+ dev_warn(dev, "QP %d, WQE addr error.\n", qpn);
+ break;
+ case HNS_ROCE_LWQCE_SQ_WQE_SHIFT_ERROR:
+ dev_warn(dev, "QP %d, WQE shift error\n", qpn);
+ break;
+ case HNS_ROCE_LWQCE_SL_ERROR:
+ dev_warn(dev, "QP %d, SL error.\n", qpn);
+ break;
+ case HNS_ROCE_LWQCE_PORT_ERROR:
+ dev_warn(dev, "QP %d, port error.\n", qpn);
+ break;
+ default:
+ break;
+ }
+}
+
+static void hns_roce_v1_local_wq_access_err_handle(struct hns_roce_dev *hr_dev,
+ struct hns_roce_aeqe *aeqe,
+ int qpn)
+{
+ struct device *dev = &hr_dev->pdev->dev;
+
+ dev_warn(dev, "Local Access Violation Work Queue Error.\n");
+ switch (roce_get_field(aeqe->asyn, HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_M,
+ HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_S)) {
+ case HNS_ROCE_LAVWQE_R_KEY_VIOLATION:
+ dev_warn(dev, "QP %d, R_key violation.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_LENGTH_ERROR:
+ dev_warn(dev, "QP %d, length error.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_VA_ERROR:
+ dev_warn(dev, "QP %d, VA error.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_PD_ERROR:
+ dev_err(dev, "QP %d, PD error.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_RW_ACC_ERROR:
+ dev_warn(dev, "QP %d, rw acc error.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_KEY_STATE_ERROR:
+ dev_warn(dev, "QP %d, key state error.\n", qpn);
+ break;
+ case HNS_ROCE_LAVWQE_MR_OPERATION_ERROR:
+ dev_warn(dev, "QP %d, MR operation error.\n", qpn);
+ break;
+ default:
+ break;
+ }
+}
+
+static void hns_roce_v1_qp_err_handle(struct hns_roce_dev *hr_dev,
+ struct hns_roce_aeqe *aeqe,
+ int event_type)
+{
+ struct device *dev = &hr_dev->pdev->dev;
+ int phy_port;
+ int qpn;
+
+ qpn = roce_get_field(aeqe->event.qp_event.qp,
+ HNS_ROCE_AEQE_EVENT_QP_EVENT_QP_QPN_M,
+ HNS_ROCE_AEQE_EVENT_QP_EVENT_QP_QPN_S);
+ phy_port = roce_get_field(aeqe->event.qp_event.qp,
+ HNS_ROCE_AEQE_EVENT_QP_EVENT_PORT_NUM_M,
+ HNS_ROCE_AEQE_EVENT_QP_EVENT_PORT_NUM_S);
+ if (qpn <= 1)
+ qpn = HNS_ROCE_MAX_PORTS * qpn + phy_port;
+
+ switch (event_type) {
+ case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR:
+ dev_warn(dev, "Invalid Req Local Work Queue Error.\n"
+ "QP %d, phy_port %d.\n", qpn, phy_port);
+ break;
+ case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR:
+ hns_roce_v1_wq_catas_err_handle(hr_dev, aeqe, qpn);
+ break;
+ case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR:
+ hns_roce_v1_local_wq_access_err_handle(hr_dev, aeqe, qpn);
+ break;
+ default:
+ break;
+ }
+
+ hns_roce_qp_event(hr_dev, qpn, event_type);
+}
+
+static void hns_roce_v1_cq_err_handle(struct hns_roce_dev *hr_dev,
+ struct hns_roce_aeqe *aeqe,
+ int event_type)
+{
+ struct device *dev = &hr_dev->pdev->dev;
+ u32 cqn;
+
+ cqn = le32_to_cpu(roce_get_field(aeqe->event.cq_event.cq,
+ HNS_ROCE_AEQE_EVENT_CQ_EVENT_CQ_CQN_M,
+ HNS_ROCE_AEQE_EVENT_CQ_EVENT_CQ_CQN_S));
+
+ switch (event_type) {
+ case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR:
+ dev_warn(dev, "CQ 0x%x access err.\n", cqn);
+ break;
+ case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW:
+ dev_warn(dev, "CQ 0x%x overflow\n", cqn);
+ break;
+ case HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID:
+ dev_warn(dev, "CQ 0x%x ID invalid.\n", cqn);
+ break;
+ default:
+ break;
+ }
+
+ hns_roce_cq_event(hr_dev, cqn, event_type);
+}
+
+static void hns_roce_v1_db_overflow_handle(struct hns_roce_dev *hr_dev,
+ struct hns_roce_aeqe *aeqe)
+{
+ struct device *dev = &hr_dev->pdev->dev;
+
+ switch (roce_get_field(aeqe->asyn, HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_M,
+ HNS_ROCE_AEQE_U32_4_EVENT_SUB_TYPE_S)) {
+ case HNS_ROCE_DB_SUBTYPE_SDB_OVF:
+ dev_warn(dev, "SDB overflow.\n");
+ break;
+ case HNS_ROCE_DB_SUBTYPE_SDB_ALM_OVF:
+ dev_warn(dev, "SDB almost overflow.\n");
+ break;
+ case HNS_ROCE_DB_SUBTYPE_SDB_ALM_EMP:
+ dev_warn(dev, "SDB almost empty.\n");
+ break;
+ case HNS_ROCE_DB_SUBTYPE_ODB_OVF:
+ dev_warn(dev, "ODB overflow.\n");
+ break;
+ case HNS_ROCE_DB_SUBTYPE_ODB_ALM_OVF:
+ dev_warn(dev, "ODB almost overflow.\n");
+ break;
+ case HNS_ROCE_DB_SUBTYPE_ODB_ALM_EMP:
+ dev_warn(dev, "SDB almost empty.\n");
+ break;
+ default:
+ break;
+ }
+}
+
+static struct hns_roce_aeqe *get_aeqe_v1(struct hns_roce_eq *eq, u32 entry)
+{
+ unsigned long off = (entry & (eq->entries - 1)) *
+ HNS_ROCE_AEQ_ENTRY_SIZE;
+
+ return (struct hns_roce_aeqe *)((u8 *)
+ (eq->buf_list[off / HNS_ROCE_BA_SIZE].buf) +
+ off % HNS_ROCE_BA_SIZE);
+}
+
+static struct hns_roce_aeqe *next_aeqe_sw_v1(struct hns_roce_eq *eq)
+{
+ struct hns_roce_aeqe *aeqe = get_aeqe_v1(eq, eq->cons_index);
+
+ return (roce_get_bit(aeqe->asyn, HNS_ROCE_AEQE_U32_4_OWNER_S) ^
+ !!(eq->cons_index & eq->entries)) ? aeqe : NULL;
+}
+
+static int hns_roce_v1_aeq_int(struct hns_roce_dev *hr_dev,
+ struct hns_roce_eq *eq)
+{
+ struct device *dev = &hr_dev->pdev->dev;
+ struct hns_roce_aeqe *aeqe;
+ int aeqes_found = 0;
+ int event_type;
+
+ while ((aeqe = next_aeqe_sw_v1(eq))) {
+ dev_dbg(dev, "aeqe = %p, aeqe->asyn.event_type = 0x%lx\n", aeqe,
+ roce_get_field(aeqe->asyn,
+ HNS_ROCE_AEQE_U32_4_EVENT_TYPE_M,
+ HNS_ROCE_AEQE_U32_4_EVENT_TYPE_S));
+ /* Memory barrier */
+ rmb();
+
+ event_type = roce_get_field(aeqe->asyn,
+ HNS_ROCE_AEQE_U32_4_EVENT_TYPE_M,
+ HNS_ROCE_AEQE_U32_4_EVENT_TYPE_S);
+ switch (event_type) {
+ case HNS_ROCE_EVENT_TYPE_PATH_MIG:
+ dev_warn(dev, "PATH MIG not supported\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_COMM_EST:
+ dev_warn(dev, "COMMUNICATION established\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_SQ_DRAINED:
+ dev_warn(dev, "SQ DRAINED not supported\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED:
+ dev_warn(dev, "PATH MIG failed\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR:
+ case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR:
+ case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR:
+ hns_roce_v1_qp_err_handle(hr_dev, aeqe, event_type);
+ break;
+ case HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH:
+ case HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR:
+ case HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH:
+ dev_warn(dev, "SRQ not support!\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR:
+ case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW:
+ case HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID:
+ hns_roce_v1_cq_err_handle(hr_dev, aeqe, event_type);
+ break;
+ case HNS_ROCE_EVENT_TYPE_PORT_CHANGE:
+ dev_warn(dev, "port change.\n");
+ break;
+ case HNS_ROCE_EVENT_TYPE_MB:
+ hns_roce_cmd_event(hr_dev,
+ le16_to_cpu(aeqe->event.cmd.token),
+ aeqe->event.cmd.status,
+ le64_to_cpu(aeqe->event.cmd.out_param
+ ));
+ break;
+ case HNS_ROCE_EVENT_TYPE_DB_OVERFLOW:
+ hns_roce_v1_db_overflow_handle(hr_dev, aeqe);
+ break;
+ case HNS_ROCE_EVENT_TYPE_CEQ_OVERFLOW:
+ dev_warn(dev, "CEQ 0x%lx overflow.\n",
+ roce_get_field(aeqe->event.ce_event.ceqe,
+ HNS_ROCE_AEQE_EVENT_CE_EVENT_CEQE_CEQN_M,
+ HNS_ROCE_AEQE_EVENT_CE_EVENT_CEQE_CEQN_S));
+ break;
+ default:
+ dev_warn(dev, "Unhandled event %d on EQ %d at idx %u.\n",
+ event_type, eq->eqn, eq->cons_index);
+ break;
+ }
+
+ eq->cons_index++;
+ aeqes_found = 1;
+
+ if (eq->cons_index > 2 * hr_dev->caps.aeqe_depth - 1) {
+ dev_warn(dev, "cons_index overflow, set back to 0.\n");
+ eq->cons_index = 0;
+ }
+ }
+
+ set_eq_cons_index_v1(eq, 0);
+
+ return aeqes_found;
+}
+
+static struct hns_roce_ceqe *get_ceqe_v1(struct hns_roce_eq *eq, u32 entry)
+{
+ unsigned long off = (entry & (eq->entries - 1)) *
+ HNS_ROCE_CEQ_ENTRY_SIZE;
+
+ return (struct hns_roce_ceqe *)((u8 *)
+ (eq->buf_list[off / HNS_ROCE_BA_SIZE].buf) +
+ off % HNS_ROCE_BA_SIZE);
+}
+
+static struct hns_roce_ceqe *next_ceqe_sw_v1(struct hns_roce_eq *eq)
+{
+ struct hns_roce_ceqe *ceqe = get_ceqe_v1(eq, eq->cons_index);
+
+ return (!!(roce_get_bit(ceqe->comp,
+ HNS_ROCE_CEQE_CEQE_COMP_OWNER_S))) ^
+ (!!(eq->cons_index & eq->entries)) ? ceqe : NULL;
+}
+
+static int hns_roce_v1_ceq_int(struct hns_roce_dev *hr_dev,
+ struct hns_roce_eq *eq)
+{
+ struct hns_roce_ceqe *ceqe;
+ int ceqes_found = 0;
+ u32 cqn;
+
+ while ((ceqe = next_ceqe_sw_v1(eq))) {
+ /* Memory barrier */
+ rmb();
+ cqn = roce_get_field(ceqe->comp,
+ HNS_ROCE_CEQE_CEQE_COMP_CQN_M,
+ HNS_ROCE_CEQE_CEQE_COMP_CQN_S);
+ hns_roce_cq_completion(hr_dev, cqn);
+
+ ++eq->cons_index;
+ ceqes_found = 1;
+
+ if (eq->cons_index > 2 * hr_dev->caps.ceqe_depth - 1) {
+ dev_warn(&eq->hr_dev->pdev->dev,
+ "cons_index overflow, set back to 0.\n");
+ eq->cons_index = 0;
+ }
+ }
+
+ set_eq_cons_index_v1(eq, 0);
+
+ return ceqes_found;
+}
+
+static irqreturn_t hns_roce_v1_msix_interrupt_eq(int irq, void *eq_ptr)
+{
+ struct hns_roce_eq *eq = eq_ptr;
+ struct hns_roce_dev *hr_dev = eq->hr_dev;
+ int int_work = 0;
+
+ if (eq->type_flag == HNS_ROCE_CEQ)
+ /* CEQ irq routine, CEQ is pulse irq, not clear */
+ int_work = hns_roce_v1_ceq_int(hr_dev, eq);
+ else
+ /* AEQ irq routine, AEQ is pulse irq, not clear */
+ int_work = hns_roce_v1_aeq_int(hr_dev, eq);
+
+ return IRQ_RETVAL(int_work);
+}
+
+static irqreturn_t hns_roce_v1_msix_interrupt_abn(int irq, void *dev_id)
+{
+ struct hns_roce_dev *hr_dev = dev_id;
+ struct device *dev = &hr_dev->pdev->dev;
+ int int_work = 0;
+ u32 caepaemask_val;
+ u32 cealmovf_val;
+ u32 caepaest_val;
+ u32 aeshift_val;
+ u32 ceshift_val;
+ u32 cemask_val;
+ int i;
+
+ /*
+ * Abnormal interrupt:
+ * AEQ overflow, ECC multi-bit err, CEQ overflow must clear
+ * interrupt, mask irq, clear irq, cancel mask operation
+ */
+ aeshift_val = roce_read(hr_dev, ROCEE_CAEP_AEQC_AEQE_SHIFT_REG);
+
+ /* AEQE overflow */
+ if (roce_get_bit(aeshift_val,
+ ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQ_ALM_OVF_INT_ST_S) == 1) {
+ dev_warn(dev, "AEQ overflow!\n");
+
+ /* Set mask */
+ caepaemask_val = roce_read(hr_dev, ROCEE_CAEP_AE_MASK_REG);
+ roce_set_bit(caepaemask_val,
+ ROCEE_CAEP_AE_MASK_CAEP_AEQ_ALM_OVF_MASK_S,
+ HNS_ROCE_INT_MASK_ENABLE);
+ roce_write(hr_dev, ROCEE_CAEP_AE_MASK_REG, caepaemask_val);
+
+ /* Clear int state(INT_WC : write 1 clear) */
+ caepaest_val = roce_read(hr_dev, ROCEE_CAEP_AE_ST_REG);
+ roce_set_bit(caepaest_val,
+ ROCEE_CAEP_AE_ST_CAEP_AEQ_ALM_OVF_S, 1);
+ roce_write(hr_dev, ROCEE_CAEP_AE_ST_REG, caepaest_val);
+
+ /* Clear mask */
+ caepaemask_val = roce_read(hr_dev, ROCEE_CAEP_AE_MASK_REG);
+ roce_set_bit(caepaemask_val,
+ ROCEE_CAEP_AE_MASK_CAEP_AEQ_ALM_OVF_MASK_S,
+ HNS_ROCE_INT_MASK_DISABLE);
+ roce_write(hr_dev, ROCEE_CAEP_AE_MASK_REG, caepaemask_val);
+ }
+
+ /* CEQ almost overflow */
+ for (i = 0; i < hr_dev->caps.num_comp_vectors; i++) {
+ ceshift_val = roce_read(hr_dev, ROCEE_CAEP_CEQC_SHIFT_0_REG +
+ i * CEQ_REG_OFFSET);
+
+ if (roce_get_bit(ceshift_val,
+ ROCEE_CAEP_CEQC_SHIFT_CAEP_CEQ_ALM_OVF_INT_ST_S) == 1) {
+ dev_warn(dev, "CEQ[%d] almost overflow!\n", i);
+ int_work++;
+
+ /* Set mask */
+ cemask_val = roce_read(hr_dev,
+ ROCEE_CAEP_CE_IRQ_MASK_0_REG +
+ i * CEQ_REG_OFFSET);
+ roce_set_bit(cemask_val,
+ ROCEE_CAEP_CE_IRQ_MASK_CAEP_CEQ_ALM_OVF_MASK_S,
+ HNS_ROCE_INT_MASK_ENABLE);
+ roce_write(hr_dev, ROCEE_CAEP_CE_IRQ_MASK_0_REG +
+ i * CEQ_REG_OFFSET, cemask_val);
+
+ /* Clear int state(INT_WC : write 1 clear) */
+ cealmovf_val = roce_read(hr_dev,
+ ROCEE_CAEP_CEQ_ALM_OVF_0_REG +
+ i * CEQ_REG_OFFSET);
+ roce_set_bit(cealmovf_val,
+ ROCEE_CAEP_CEQ_ALM_OVF_CAEP_CEQ_ALM_OVF_S,
+ 1);
+ roce_write(hr_dev, ROCEE_CAEP_CEQ_ALM_OVF_0_REG +
+ i * CEQ_REG_OFFSET, cealmovf_val);
+
+ /* Clear mask */
+ cemask_val = roce_read(hr_dev,
+ ROCEE_CAEP_CE_IRQ_MASK_0_REG +
+ i * CEQ_REG_OFFSET);
+ roce_set_bit(cemask_val,
+ ROCEE_CAEP_CE_IRQ_MASK_CAEP_CEQ_ALM_OVF_MASK_S,
+ HNS_ROCE_INT_MASK_DISABLE);
+ roce_write(hr_dev, ROCEE_CAEP_CE_IRQ_MASK_0_REG +
+ i * CEQ_REG_OFFSET, cemask_val);
+ }
+ }
+
+ /* ECC multi-bit error alarm */
+ dev_warn(dev, "ECC UCERR ALARM: 0x%x, 0x%x, 0x%x\n",
+ roce_read(hr_dev, ROCEE_ECC_UCERR_ALM0_REG),
+ roce_read(hr_dev, ROCEE_ECC_UCERR_ALM1_REG),
+ roce_read(hr_dev, ROCEE_ECC_UCERR_ALM2_REG));
+
+ dev_warn(dev, "ECC CERR ALARM: 0x%x, 0x%x, 0x%x\n",
+ roce_read(hr_dev, ROCEE_ECC_CERR_ALM0_REG),
+ roce_read(hr_dev, ROCEE_ECC_CERR_ALM1_REG),
+ roce_read(hr_dev, ROCEE_ECC_CERR_ALM2_REG));
+
+ return IRQ_RETVAL(int_work);
+}
+
+static void hns_roce_v1_int_mask_enable(struct hns_roce_dev *hr_dev)
+{
+ u32 aemask_val;
+ int masken = 0;
+ int i;
+
+ /* AEQ INT */
+ aemask_val = roce_read(hr_dev, ROCEE_CAEP_AE_MASK_REG);
+ roce_set_bit(aemask_val, ROCEE_CAEP_AE_MASK_CAEP_AEQ_ALM_OVF_MASK_S,
+ masken);
+ roce_set_bit(aemask_val, ROCEE_CAEP_AE_MASK_CAEP_AE_IRQ_MASK_S, masken);
+ roce_write(hr_dev, ROCEE_CAEP_AE_MASK_REG, aemask_val);
+
+ /* CEQ INT */
+ for (i = 0; i < hr_dev->caps.num_comp_vectors; i++) {
+ /* IRQ mask */
+ roce_write(hr_dev, ROCEE_CAEP_CE_IRQ_MASK_0_REG +
+ i * CEQ_REG_OFFSET, masken);
+ }
+}
+
+static void hns_roce_v1_free_eq(struct hns_roce_dev *hr_dev,
+ struct hns_roce_eq *eq)
+{
+ int npages = (PAGE_ALIGN(eq->eqe_size * eq->entries) +
+ HNS_ROCE_BA_SIZE - 1) / HNS_ROCE_BA_SIZE;
+ int i;
+
+ if (!eq->buf_list)
+ return;
+
+ for (i = 0; i < npages; ++i)
+ dma_free_coherent(&hr_dev->pdev->dev, HNS_ROCE_BA_SIZE,
+ eq->buf_list[i].buf, eq->buf_list[i].map);
+
+ kfree(eq->buf_list);
+}
+
+static void hns_roce_v1_enable_eq(struct hns_roce_dev *hr_dev, int eq_num,
+ int enable_flag)
+{
+ void __iomem *eqc = hr_dev->eq_table.eqc_base[eq_num];
+ u32 val;
+
+ val = readl(eqc);
+
+ if (enable_flag)
+ roce_set_field(val,
+ ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_M,
+ ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_S,
+ HNS_ROCE_EQ_STAT_VALID);
+ else
+ roce_set_field(val,
+ ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_M,
+ ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_S,
+ HNS_ROCE_EQ_STAT_INVALID);
+ writel(val, eqc);
+}
+
+static int hns_roce_v1_create_eq(struct hns_roce_dev *hr_dev,
+ struct hns_roce_eq *eq)
+{
+ void __iomem *eqc = hr_dev->eq_table.eqc_base[eq->eqn];
+ struct device *dev = &hr_dev->pdev->dev;
+ dma_addr_t tmp_dma_addr;
+ u32 eqconsindx_val = 0;
+ u32 eqcuridx_val = 0;
+ u32 eqshift_val = 0;
+ int num_bas;
+ int ret;
+ int i;
+
+ num_bas = (PAGE_ALIGN(eq->entries * eq->eqe_size) +
+ HNS_ROCE_BA_SIZE - 1) / HNS_ROCE_BA_SIZE;
+
+ if ((eq->entries * eq->eqe_size) > HNS_ROCE_BA_SIZE) {
+ dev_err(dev, "[error]eq buf %d gt ba size(%d) need bas=%d\n",
+ (eq->entries * eq->eqe_size), HNS_ROCE_BA_SIZE,
+ num_bas);
+ return -EINVAL;
+ }
+
+ eq->buf_list = kcalloc(num_bas, sizeof(*eq->buf_list), GFP_KERNEL);
+ if (!eq->buf_list)
+ return -ENOMEM;
+
+ for (i = 0; i < num_bas; ++i) {
+ eq->buf_list[i].buf = dma_alloc_coherent(dev, HNS_ROCE_BA_SIZE,
+ &tmp_dma_addr,
+ GFP_KERNEL);
+ if (!eq->buf_list[i].buf) {
+ ret = -ENOMEM;
+ goto err_out_free_pages;
+ }
+
+ eq->buf_list[i].map = tmp_dma_addr;
+ memset(eq->buf_list[i].buf, 0, HNS_ROCE_BA_SIZE);
+ }
+ eq->cons_index = 0;
+ roce_set_field(eqshift_val,
+ ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_M,
+ ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_STATE_S,
+ HNS_ROCE_EQ_STAT_INVALID);
+ roce_set_field(eqshift_val,
+ ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_AEQE_SHIFT_M,
+ ROCEE_CAEP_AEQC_AEQE_SHIFT_CAEP_AEQC_AEQE_SHIFT_S,
+ eq->log_entries);
+ writel(eqshift_val, eqc);
+
+ /* Configure eq extended address 12~44bit */
+ writel((u32)(eq->buf_list[0].map >> 12), eqc + 4);
+
+ /*
+ * Configure eq extended address 45~49 bit.
+ * 44 = 32 + 12, When evaluating addr to hardware, shift 12 because of
+ * using 4K page, and shift more 32 because of
+ * caculating the high 32 bit value evaluated to hardware.
+ */
+ roce_set_field(eqcuridx_val, ROCEE_CAEP_AEQE_CUR_IDX_CAEP_AEQ_BT_H_M,
+ ROCEE_CAEP_AEQE_CUR_IDX_CAEP_AEQ_BT_H_S,
+ eq->buf_list[0].map >> 44);
+ roce_set_field(eqcuridx_val,
+ ROCEE_CAEP_AEQE_CUR_IDX_CAEP_AEQE_CUR_IDX_M,
+ ROCEE_CAEP_AEQE_CUR_IDX_CAEP_AEQE_CUR_IDX_S, 0);
+ writel(eqcuridx_val, eqc + 8);
+
+ /* Configure eq consumer index */
+ roce_set_field(eqconsindx_val,
+ ROCEE_CAEP_AEQE_CONS_IDX_CAEP_AEQE_CONS_IDX_M,
+ ROCEE_CAEP_AEQE_CONS_IDX_CAEP_AEQE_CONS_IDX_S, 0);
+ writel(eqconsindx_val, eqc + 0xc);
+
+ return 0;
+
+err_out_free_pages:
+ for (i -= 1; i >= 0; i--)
+ dma_free_coherent(dev, HNS_ROCE_BA_SIZE, eq->buf_list[i].buf,
+ eq->buf_list[i].map);
+
+ kfree(eq->buf_list);
+ return ret;
+}
+
+static int hns_roce_v1_init_eq_table(struct hns_roce_dev *hr_dev)
+{
+ struct hns_roce_eq_table *eq_table = &hr_dev->eq_table;
+ struct device *dev = &hr_dev->pdev->dev;
+ struct hns_roce_eq *eq;
+ int irq_num;
+ int eq_num;
+ int ret;
+ int i, j;
+
+ eq_num = hr_dev->caps.num_comp_vectors + hr_dev->caps.num_aeq_vectors;
+ irq_num = eq_num + hr_dev->caps.num_other_vectors;
+
+ eq_table->eq = kcalloc(eq_num, sizeof(*eq_table->eq), GFP_KERNEL);
+ if (!eq_table->eq)
+ return -ENOMEM;
+
+ eq_table->eqc_base = kcalloc(eq_num, sizeof(*eq_table->eqc_base),
+ GFP_KERNEL);
+ if (!eq_table->eqc_base) {
+ ret = -ENOMEM;
+ goto err_eqc_base_alloc_fail;
+ }
+
+ for (i = 0; i < eq_num; i++) {
+ eq = &eq_table->eq[i];
+ eq->hr_dev = hr_dev;
+ eq->eqn = i;
+ eq->irq = hr_dev->irq[i];
+ eq->log_page_size = PAGE_SHIFT;
+
+ if (i < hr_dev->caps.num_comp_vectors) {
+ /* CEQ */
+ eq_table->eqc_base[i] = hr_dev->reg_base +
+ ROCEE_CAEP_CEQC_SHIFT_0_REG +
+ CEQ_REG_OFFSET * i;
+ eq->type_flag = HNS_ROCE_CEQ;
+ eq->doorbell = hr_dev->reg_base +
+ ROCEE_CAEP_CEQC_CONS_IDX_0_REG +
+ CEQ_REG_OFFSET * i;
+ eq->entries = hr_dev->caps.ceqe_depth;
+ eq->log_entries = ilog2(eq->entries);
+ eq->eqe_size = HNS_ROCE_CEQ_ENTRY_SIZE;
+ } else {
+ /* AEQ */
+ eq_table->eqc_base[i] = hr_dev->reg_base +
+ ROCEE_CAEP_AEQC_AEQE_SHIFT_REG;
+ eq->type_flag = HNS_ROCE_AEQ;
+ eq->doorbell = hr_dev->reg_base +
+ ROCEE_CAEP_AEQE_CONS_IDX_REG;
+ eq->entries = hr_dev->caps.aeqe_depth;
+ eq->log_entries = ilog2(eq->entries);
+ eq->eqe_size = HNS_ROCE_AEQ_ENTRY_SIZE;
+ }
+ }
+
+ /* Disable irq */
+ hns_roce_v1_int_mask_enable(hr_dev);
+
+ /* Configure ce int interval */
+ roce_write(hr_dev, ROCEE_CAEP_CE_INTERVAL_CFG_REG,
+ HNS_ROCE_CEQ_DEFAULT_INTERVAL);
+
+ /* Configure ce int burst num */
+ roce_write(hr_dev, ROCEE_CAEP_CE_BURST_NUM_CFG_REG,
+ HNS_ROCE_CEQ_DEFAULT_BURST_NUM);
+
+ for (i = 0; i < eq_num; i++) {
+ ret = hns_roce_v1_create_eq(hr_dev, &eq_table->eq[i]);
+ if (ret) {
+ dev_err(dev, "eq create failed\n");
+ goto err_create_eq_fail;
+ }
+ }
+
+ for (j = 0; j < irq_num; j++) {
+ if (j < eq_num)
+ ret = request_irq(hr_dev->irq[j],
+ hns_roce_v1_msix_interrupt_eq, 0,
+ hr_dev->irq_names[j],
+ &eq_table->eq[j]);
+ else
+ ret = request_irq(hr_dev->irq[j],
+ hns_roce_v1_msix_interrupt_abn, 0,
+ hr_dev->irq_names[j], hr_dev);
+
+ if (ret) {
+ dev_err(dev, "request irq error!\n");
+ goto err_request_irq_fail;
+ }
+ }
+
+ for (i = 0; i < eq_num; i++)
+ hns_roce_v1_enable_eq(hr_dev, i, EQ_ENABLE);
+
+ return 0;
+
+err_request_irq_fail:
+ for (j -= 1; j >= 0; j--)
+ free_irq(hr_dev->irq[j], &eq_table->eq[j]);
+
+err_create_eq_fail:
+ for (i -= 1; i >= 0; i--)
+ hns_roce_v1_free_eq(hr_dev, &eq_table->eq[i]);
+
+ kfree(eq_table->eqc_base);
+
+err_eqc_base_alloc_fail:
+ kfree(eq_table->eq);
+
+ return ret;
+}
+
+static void hns_roce_v1_cleanup_eq_table(struct hns_roce_dev *hr_dev)
+{
+ struct hns_roce_eq_table *eq_table = &hr_dev->eq_table;
+ int irq_num;
+ int eq_num;
+ int i;
+
+ eq_num = hr_dev->caps.num_comp_vectors + hr_dev->caps.num_aeq_vectors;
+ irq_num = eq_num + hr_dev->caps.num_other_vectors;
+ for (i = 0; i < eq_num; i++) {
+ /* Disable EQ */
+ hns_roce_v1_enable_eq(hr_dev, i, EQ_DISABLE);
+
+ free_irq(hr_dev->irq[i], &eq_table->eq[i]);
+
+ hns_roce_v1_free_eq(hr_dev, &eq_table->eq[i]);
+ }
+ for (i = eq_num; i < irq_num; i++)
+ free_irq(hr_dev->irq[i], hr_dev);
+
+ kfree(eq_table->eqc_base);
+ kfree(eq_table->eq);
+}
+
static const struct hns_roce_hw hns_roce_hw_v1 = {
.reset = hns_roce_v1_reset,
.hw_profile = hns_roce_v1_profile,
@@ -3983,6 +4703,8 @@ static const struct hns_roce_hw hns_roce_hw_v1 = {
.poll_cq = hns_roce_v1_poll_cq,
.dereg_mr = hns_roce_v1_dereg_mr,
.destroy_cq = hns_roce_v1_destroy_cq,
+ .init_eq = hns_roce_v1_init_eq_table,
+ .cleanup_eq = hns_roce_v1_cleanup_eq_table,
};
static const struct of_device_id hns_roce_of_match[] = {
@@ -4132,14 +4854,14 @@ static int hns_roce_get_cfg(struct hns_roce_dev *hr_dev)
/* read the interrupt names from the DT or ACPI */
ret = device_property_read_string_array(dev, "interrupt-names",
hr_dev->irq_names,
- HNS_ROCE_MAX_IRQ_NUM);
+ HNS_ROCE_V1_MAX_IRQ_NUM);
if (ret < 0) {
dev_err(dev, "couldn't get interrupt names from DT or ACPI!\n");
return ret;
}
/* fetch the interrupt numbers */
- for (i = 0; i < HNS_ROCE_MAX_IRQ_NUM; i++) {
+ for (i = 0; i < HNS_ROCE_V1_MAX_IRQ_NUM; i++) {
hr_dev->irq[i] = platform_get_irq(hr_dev->pdev, i);
if (hr_dev->irq[i] <= 0) {
dev_err(dev, "platform get of irq[=%d] failed!\n", i);
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