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-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma.h13
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_ah.c7
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_hw.c49
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_hw.h4
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_main.c64
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_sli.h49
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_stats.c16
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_stats.h2
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c190
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.h3
10 files changed, 147 insertions, 250 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h
index ae80590aabdf..12503f15fbd6 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma.h
@@ -232,6 +232,10 @@ struct phy_info {
u16 interface_type;
};
+enum ocrdma_flags {
+ OCRDMA_FLAGS_LINK_STATUS_INIT = 0x01
+};
+
struct ocrdma_dev {
struct ib_device ibdev;
struct ocrdma_dev_attr attr;
@@ -287,6 +291,7 @@ struct ocrdma_dev {
atomic_t update_sl;
u16 pvid;
u32 asic_id;
+ u32 flags;
ulong last_stats_time;
struct mutex stats_lock; /* provide synch for debugfs operations */
@@ -318,9 +323,6 @@ struct ocrdma_cq {
*/
u32 max_hw_cqe;
bool phase_change;
- bool deferred_arm, deferred_sol;
- bool first_arm;
-
spinlock_t cq_lock ____cacheline_aligned; /* provide synchronization
* to cq polling
*/
@@ -591,4 +593,9 @@ static inline u8 ocrdma_is_enabled_and_synced(u32 state)
(state & OCRDMA_STATE_FLAG_SYNC);
}
+static inline u8 ocrdma_get_ae_link_state(u32 ae_state)
+{
+ return ((ae_state & OCRDMA_AE_LSC_LS_MASK) >> OCRDMA_AE_LSC_LS_SHIFT);
+}
+
#endif
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
index 9820074be59d..3790771f2baa 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_ah.c
@@ -152,9 +152,10 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr)
if ((pd->uctx) &&
(!rdma_is_multicast_addr((struct in6_addr *)attr->grh.dgid.raw)) &&
(!rdma_link_local_addr((struct in6_addr *)attr->grh.dgid.raw))) {
- status = rdma_addr_find_dmac_by_grh(&sgid, &attr->grh.dgid,
- attr->dmac, &vlan_tag,
- sgid_attr.ndev->ifindex);
+ status = rdma_addr_find_l2_eth_by_grh(&sgid, &attr->grh.dgid,
+ attr->dmac, &vlan_tag,
+ &sgid_attr.ndev->ifindex,
+ NULL);
if (status) {
pr_err("%s(): Failed to resolve dmac from gid."
"status = %d\n", __func__, status);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index 30f67bebffa3..283ca842ff74 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -579,6 +579,8 @@ static int ocrdma_mbx_create_mq(struct ocrdma_dev *dev,
cmd->async_event_bitmap = BIT(OCRDMA_ASYNC_GRP5_EVE_CODE);
cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_RDMA_EVE_CODE);
+ /* Request link events on this MQ. */
+ cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_LINK_EVE_CODE);
cmd->async_cqid_ringsize = cq->id;
cmd->async_cqid_ringsize |= (ocrdma_encoded_q_len(mq->len) <<
@@ -819,20 +821,42 @@ static void ocrdma_process_grp5_aync(struct ocrdma_dev *dev,
}
}
+static void ocrdma_process_link_state(struct ocrdma_dev *dev,
+ struct ocrdma_ae_mcqe *cqe)
+{
+ struct ocrdma_ae_lnkst_mcqe *evt;
+ u8 lstate;
+
+ evt = (struct ocrdma_ae_lnkst_mcqe *)cqe;
+ lstate = ocrdma_get_ae_link_state(evt->speed_state_ptn);
+
+ if (!(lstate & OCRDMA_AE_LSC_LLINK_MASK))
+ return;
+
+ if (dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT)
+ ocrdma_update_link_state(dev, (lstate & OCRDMA_LINK_ST_MASK));
+}
+
static void ocrdma_process_acqe(struct ocrdma_dev *dev, void *ae_cqe)
{
/* async CQE processing */
struct ocrdma_ae_mcqe *cqe = ae_cqe;
u32 evt_code = (cqe->valid_ae_event & OCRDMA_AE_MCQE_EVENT_CODE_MASK) >>
OCRDMA_AE_MCQE_EVENT_CODE_SHIFT;
-
- if (evt_code == OCRDMA_ASYNC_RDMA_EVE_CODE)
+ switch (evt_code) {
+ case OCRDMA_ASYNC_LINK_EVE_CODE:
+ ocrdma_process_link_state(dev, cqe);
+ break;
+ case OCRDMA_ASYNC_RDMA_EVE_CODE:
ocrdma_dispatch_ibevent(dev, cqe);
- else if (evt_code == OCRDMA_ASYNC_GRP5_EVE_CODE)
+ break;
+ case OCRDMA_ASYNC_GRP5_EVE_CODE:
ocrdma_process_grp5_aync(dev, cqe);
- else
+ break;
+ default:
pr_err("%s(%d) invalid evt code=0x%x\n", __func__,
dev->id, evt_code);
+ }
}
static void ocrdma_process_mcqe(struct ocrdma_dev *dev, struct ocrdma_mcqe *cqe)
@@ -1363,7 +1387,8 @@ mbx_err:
return status;
}
-int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed)
+int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,
+ u8 *lnk_state)
{
int status = -ENOMEM;
struct ocrdma_get_link_speed_rsp *rsp;
@@ -1384,8 +1409,11 @@ int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed)
goto mbx_err;
rsp = (struct ocrdma_get_link_speed_rsp *)cmd;
- *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK)
- >> OCRDMA_PHY_PS_SHIFT;
+ if (lnk_speed)
+ *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK)
+ >> OCRDMA_PHY_PS_SHIFT;
+ if (lnk_state)
+ *lnk_state = (rsp->res_lnk_st & OCRDMA_LINK_ST_MASK);
mbx_err:
kfree(cmd);
@@ -2515,9 +2543,10 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp,
ocrdma_cpu_to_le32(&cmd->params.sgid[0], sizeof(cmd->params.sgid));
cmd->params.vlan_dmac_b4_to_b5 = mac_addr[4] | (mac_addr[5] << 8);
- if (vlan_id < 0x1000) {
- if (dev->pfc_state) {
- vlan_id = 0;
+ if (vlan_id == 0xFFFF)
+ vlan_id = 0;
+ if (vlan_id || dev->pfc_state) {
+ if (!vlan_id) {
pr_err("ocrdma%d:Using VLAN with PFC is recommended\n",
dev->id);
pr_err("ocrdma%d:Using VLAN 0 for this connection\n",
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
index 7ed885c1851e..ebc1f442aec3 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
@@ -106,7 +106,8 @@ void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
bool solicited, u16 cqe_popped);
/* verbs specific mailbox commands */
-int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed);
+int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,
+ u8 *lnk_st);
int ocrdma_query_config(struct ocrdma_dev *,
struct ocrdma_mbx_query_config *config);
@@ -153,5 +154,6 @@ char *port_speed_string(struct ocrdma_dev *dev);
void ocrdma_init_service_level(struct ocrdma_dev *);
void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev);
void ocrdma_free_pd_range(struct ocrdma_dev *dev);
+void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate);
#endif /* __OCRDMA_HW_H__ */
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 62b7009daa6c..f38743018cb4 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -175,7 +175,6 @@ static int ocrdma_register_device(struct ocrdma_dev *dev)
dev->ibdev.req_notify_cq = ocrdma_arm_cq;
dev->ibdev.get_dma_mr = ocrdma_get_dma_mr;
- dev->ibdev.reg_phys_mr = ocrdma_reg_kernel_mr;
dev->ibdev.dereg_mr = ocrdma_dereg_mr;
dev->ibdev.reg_user_mr = ocrdma_reg_user_mr;
@@ -229,6 +228,11 @@ static int ocrdma_alloc_resources(struct ocrdma_dev *dev)
ocrdma_alloc_pd_pool(dev);
+ if (!ocrdma_alloc_stats_resources(dev)) {
+ pr_err("%s: stats resource allocation failed\n", __func__);
+ goto alloc_err;
+ }
+
spin_lock_init(&dev->av_tbl.lock);
spin_lock_init(&dev->flush_q_lock);
return 0;
@@ -239,6 +243,7 @@ alloc_err:
static void ocrdma_free_resources(struct ocrdma_dev *dev)
{
+ ocrdma_release_stats_resources(dev);
kfree(dev->stag_arr);
kfree(dev->qp_tbl);
kfree(dev->cq_tbl);
@@ -290,6 +295,7 @@ static void ocrdma_remove_sysfiles(struct ocrdma_dev *dev)
static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
{
int status = 0, i;
+ u8 lstate = 0;
struct ocrdma_dev *dev;
dev = (struct ocrdma_dev *)ib_alloc_device(sizeof(struct ocrdma_dev));
@@ -319,6 +325,11 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
if (status)
goto alloc_err;
+ /* Query Link state and update */
+ status = ocrdma_mbx_get_link_speed(dev, NULL, &lstate);
+ if (!status)
+ ocrdma_update_link_state(dev, lstate);
+
for (i = 0; i < ARRAY_SIZE(ocrdma_attributes); i++)
if (device_create_file(&dev->ibdev.dev, ocrdma_attributes[i]))
goto sysfs_err;
@@ -373,7 +384,7 @@ static void ocrdma_remove(struct ocrdma_dev *dev)
ocrdma_remove_free(dev);
}
-static int ocrdma_open(struct ocrdma_dev *dev)
+static int ocrdma_dispatch_port_active(struct ocrdma_dev *dev)
{
struct ib_event port_event;
@@ -384,32 +395,9 @@ static int ocrdma_open(struct ocrdma_dev *dev)
return 0;
}
-static int ocrdma_close(struct ocrdma_dev *dev)
+static int ocrdma_dispatch_port_error(struct ocrdma_dev *dev)
{
- int i;
- struct ocrdma_qp *qp, **cur_qp;
struct ib_event err_event;
- struct ib_qp_attr attrs;
- int attr_mask = IB_QP_STATE;
-
- attrs.qp_state = IB_QPS_ERR;
- mutex_lock(&dev->dev_lock);
- if (dev->qp_tbl) {
- cur_qp = dev->qp_tbl;
- for (i = 0; i < OCRDMA_MAX_QP; i++) {
- qp = cur_qp[i];
- if (qp && qp->ibqp.qp_type != IB_QPT_GSI) {
- /* change the QP state to ERROR */
- _ocrdma_modify_qp(&qp->ibqp, &attrs, attr_mask);
-
- err_event.event = IB_EVENT_QP_FATAL;
- err_event.element.qp = &qp->ibqp;
- err_event.device = &dev->ibdev;
- ib_dispatch_event(&err_event);
- }
- }
- }
- mutex_unlock(&dev->dev_lock);
err_event.event = IB_EVENT_PORT_ERR;
err_event.element.port_num = 1;
@@ -420,7 +408,7 @@ static int ocrdma_close(struct ocrdma_dev *dev)
static void ocrdma_shutdown(struct ocrdma_dev *dev)
{
- ocrdma_close(dev);
+ ocrdma_dispatch_port_error(dev);
ocrdma_remove(dev);
}
@@ -431,18 +419,28 @@ static void ocrdma_shutdown(struct ocrdma_dev *dev)
static void ocrdma_event_handler(struct ocrdma_dev *dev, u32 event)
{
switch (event) {
- case BE_DEV_UP:
- ocrdma_open(dev);
- break;
- case BE_DEV_DOWN:
- ocrdma_close(dev);
- break;
case BE_DEV_SHUTDOWN:
ocrdma_shutdown(dev);
break;
+ default:
+ break;
}
}
+void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate)
+{
+ if (!(dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT)) {
+ dev->flags |= OCRDMA_FLAGS_LINK_STATUS_INIT;
+ if (!lstate)
+ return;
+ }
+
+ if (!lstate)
+ ocrdma_dispatch_port_error(dev);
+ else
+ ocrdma_dispatch_port_active(dev);
+}
+
static struct ocrdma_driver ocrdma_drv = {
.name = "ocrdma_driver",
.add = ocrdma_add,
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index 6a38268bbe9f..99dd6fdf06d7 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
@@ -465,8 +465,11 @@ struct ocrdma_ae_qp_mcqe {
u32 valid_ae_event;
};
-#define OCRDMA_ASYNC_RDMA_EVE_CODE 0x14
-#define OCRDMA_ASYNC_GRP5_EVE_CODE 0x5
+enum ocrdma_async_event_code {
+ OCRDMA_ASYNC_LINK_EVE_CODE = 0x01,
+ OCRDMA_ASYNC_GRP5_EVE_CODE = 0x05,
+ OCRDMA_ASYNC_RDMA_EVE_CODE = 0x14
+};
enum ocrdma_async_grp5_events {
OCRDMA_ASYNC_EVENT_QOS_VALUE = 0x01,
@@ -489,6 +492,44 @@ enum OCRDMA_ASYNC_EVENT_TYPE {
OCRDMA_MAX_ASYNC_ERRORS
};
+struct ocrdma_ae_lnkst_mcqe {
+ u32 speed_state_ptn;
+ u32 qos_reason_falut;
+ u32 evt_tag;
+ u32 valid_ae_event;
+};
+
+enum {
+ OCRDMA_AE_LSC_PORT_NUM_MASK = 0x3F,
+ OCRDMA_AE_LSC_PT_SHIFT = 0x06,
+ OCRDMA_AE_LSC_PT_MASK = (0x03 <<
+ OCRDMA_AE_LSC_PT_SHIFT),
+ OCRDMA_AE_LSC_LS_SHIFT = 0x08,
+ OCRDMA_AE_LSC_LS_MASK = (0xFF <<
+ OCRDMA_AE_LSC_LS_SHIFT),
+ OCRDMA_AE_LSC_LD_SHIFT = 0x10,
+ OCRDMA_AE_LSC_LD_MASK = (0xFF <<
+ OCRDMA_AE_LSC_LD_SHIFT),
+ OCRDMA_AE_LSC_PPS_SHIFT = 0x18,
+ OCRDMA_AE_LSC_PPS_MASK = (0xFF <<
+ OCRDMA_AE_LSC_PPS_SHIFT),
+ OCRDMA_AE_LSC_PPF_MASK = 0xFF,
+ OCRDMA_AE_LSC_ER_SHIFT = 0x08,
+ OCRDMA_AE_LSC_ER_MASK = (0xFF <<
+ OCRDMA_AE_LSC_ER_SHIFT),
+ OCRDMA_AE_LSC_QOS_SHIFT = 0x10,
+ OCRDMA_AE_LSC_QOS_MASK = (0xFFFF <<
+ OCRDMA_AE_LSC_QOS_SHIFT)
+};
+
+enum {
+ OCRDMA_AE_LSC_PLINK_DOWN = 0x00,
+ OCRDMA_AE_LSC_PLINK_UP = 0x01,
+ OCRDMA_AE_LSC_LLINK_DOWN = 0x02,
+ OCRDMA_AE_LSC_LLINK_MASK = 0x02,
+ OCRDMA_AE_LSC_LLINK_UP = 0x03
+};
+
/* mailbox command request and responses */
enum {
OCRDMA_MBX_QUERY_CFG_CQ_OVERFLOW_SHIFT = 2,
@@ -676,7 +717,7 @@ enum {
OCRDMA_PHY_PFLT_SHIFT = 0x18,
OCRDMA_QOS_LNKSP_MASK = 0xFFFF0000,
OCRDMA_QOS_LNKSP_SHIFT = 0x10,
- OCRDMA_LLST_MASK = 0xFF,
+ OCRDMA_LINK_ST_MASK = 0x01,
OCRDMA_PLFC_MASK = 0x00000400,
OCRDMA_PLFC_SHIFT = 0x8,
OCRDMA_PLRFC_MASK = 0x00000200,
@@ -691,7 +732,7 @@ struct ocrdma_get_link_speed_rsp {
u32 pflt_pps_ld_pnum;
u32 qos_lsp;
- u32 res_lls;
+ u32 res_lnk_st;
};
enum {
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
index 86c303a620c1..255f774080a4 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
@@ -64,10 +64,11 @@ static int ocrdma_add_stat(char *start, char *pcur,
return cpy_len;
}
-static bool ocrdma_alloc_stats_mem(struct ocrdma_dev *dev)
+bool ocrdma_alloc_stats_resources(struct ocrdma_dev *dev)
{
struct stats_mem *mem = &dev->stats_mem;
+ mutex_init(&dev->stats_lock);
/* Alloc mbox command mem*/
mem->size = max_t(u32, sizeof(struct ocrdma_rdma_stats_req),
sizeof(struct ocrdma_rdma_stats_resp));
@@ -91,13 +92,14 @@ static bool ocrdma_alloc_stats_mem(struct ocrdma_dev *dev)
return true;
}
-static void ocrdma_release_stats_mem(struct ocrdma_dev *dev)
+void ocrdma_release_stats_resources(struct ocrdma_dev *dev)
{
struct stats_mem *mem = &dev->stats_mem;
if (mem->va)
dma_free_coherent(&dev->nic_info.pdev->dev, mem->size,
mem->va, mem->pa);
+ mem->va = NULL;
kfree(mem->debugfs_mem);
}
@@ -838,15 +840,9 @@ void ocrdma_add_port_stats(struct ocrdma_dev *dev)
&dev->reset_stats, &ocrdma_dbg_ops))
goto err;
- /* Now create dma_mem for stats mbx command */
- if (!ocrdma_alloc_stats_mem(dev))
- goto err;
-
- mutex_init(&dev->stats_lock);
return;
err:
- ocrdma_release_stats_mem(dev);
debugfs_remove_recursive(dev->dir);
dev->dir = NULL;
}
@@ -855,9 +851,7 @@ void ocrdma_rem_port_stats(struct ocrdma_dev *dev)
{
if (!dev->dir)
return;
- debugfs_remove(dev->dir);
- mutex_destroy(&dev->stats_lock);
- ocrdma_release_stats_mem(dev);
+ debugfs_remove_recursive(dev->dir);
}
void ocrdma_init_debugfs(void)
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h
index c9e58d04c7b8..bba1fec4f11f 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h
@@ -65,6 +65,8 @@ enum OCRDMA_STATS_TYPE {
void ocrdma_rem_debugfs(void);
void ocrdma_init_debugfs(void);
+bool ocrdma_alloc_stats_resources(struct ocrdma_dev *dev);
+void ocrdma_release_stats_resources(struct ocrdma_dev *dev);
void ocrdma_rem_port_stats(struct ocrdma_dev *dev);
void ocrdma_add_port_stats(struct ocrdma_dev *dev);
int ocrdma_pma_counters(struct ocrdma_dev *dev,
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 583001bcfb8f..12420e4ecf3d 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -125,8 +125,8 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr,
IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_LOCAL_DMA_LKEY |
IB_DEVICE_MEM_MGT_EXTENSIONS;
- attr->max_sge = min(dev->attr.max_send_sge, dev->attr.max_srq_sge);
- attr->max_sge_rd = 0;
+ attr->max_sge = dev->attr.max_send_sge;
+ attr->max_sge_rd = attr->max_sge;
attr->max_cq = dev->attr.max_cq;
attr->max_cqe = dev->attr.max_cqe;
attr->max_mr = dev->attr.max_mr;
@@ -171,7 +171,7 @@ static inline void get_link_speed_and_width(struct ocrdma_dev *dev,
int status;
u8 speed;
- status = ocrdma_mbx_get_link_speed(dev, &speed);
+ status = ocrdma_mbx_get_link_speed(dev, &speed, NULL);
if (status)
speed = OCRDMA_PHYS_LINK_SPEED_ZERO;
@@ -1094,7 +1094,6 @@ struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
spin_lock_init(&cq->comp_handler_lock);
INIT_LIST_HEAD(&cq->sq_head);
INIT_LIST_HEAD(&cq->rq_head);
- cq->first_arm = true;
if (ib_ctx) {
uctx = get_ocrdma_ucontext(ib_ctx);
@@ -2726,8 +2725,7 @@ static int ocrdma_update_ud_rcqe(struct ib_wc *ibwc, struct ocrdma_cqe *cqe)
OCRDMA_CQE_UD_STATUS_MASK) >> OCRDMA_CQE_UD_STATUS_SHIFT;
ibwc->src_qp = le32_to_cpu(cqe->flags_status_srcqpn) &
OCRDMA_CQE_SRCQP_MASK;
- ibwc->pkey_index = le32_to_cpu(cqe->ud.rxlen_pkey) &
- OCRDMA_CQE_PKEY_MASK;
+ ibwc->pkey_index = 0;
ibwc->wc_flags = IB_WC_GRH;
ibwc->byte_len = (le32_to_cpu(cqe->ud.rxlen_pkey) >>
OCRDMA_CQE_UD_XFER_LEN_SHIFT);
@@ -2911,12 +2909,9 @@ expand_cqe:
}
stop_cqe:
cq->getp = cur_getp;
- if (cq->deferred_arm || polled_hw_cqes) {
- ocrdma_ring_cq_db(dev, cq->id, cq->deferred_arm,
- cq->deferred_sol, polled_hw_cqes);
- cq->deferred_arm = false;
- cq->deferred_sol = false;
- }
+
+ if (polled_hw_cqes)
+ ocrdma_ring_cq_db(dev, cq->id, false, false, polled_hw_cqes);
return i;
}
@@ -3000,13 +2995,7 @@ int ocrdma_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags cq_flags)
if (cq_flags & IB_CQ_SOLICITED)
sol_needed = true;
- if (cq->first_arm) {
- ocrdma_ring_cq_db(dev, cq_id, arm_needed, sol_needed, 0);
- cq->first_arm = false;
- }
-
- cq->deferred_arm = true;
- cq->deferred_sol = sol_needed;
+ ocrdma_ring_cq_db(dev, cq_id, arm_needed, sol_needed, 0);
spin_unlock_irqrestore(&cq->cq_lock, flags);
return 0;
@@ -3066,169 +3055,6 @@ pl_err:
return ERR_PTR(-ENOMEM);
}
-#define MAX_KERNEL_PBE_SIZE 65536
-static inline int count_kernel_pbes(struct ib_phys_buf *buf_list,
- int buf_cnt, u32 *pbe_size)
-{
- u64 total_size = 0;
- u64 buf_size = 0;
- int i;
- *pbe_size = roundup(buf_list[0].size, PAGE_SIZE);
- *pbe_size = roundup_pow_of_two(*pbe_size);
-
- /* find the smallest PBE size that we can have */
- for (i = 0; i < buf_cnt; i++) {
- /* first addr may not be page aligned, so ignore checking */
- if ((i != 0) && ((buf_list[i].addr & ~PAGE_MASK) ||
- (buf_list[i].size & ~PAGE_MASK))) {
- return 0;
- }
-
- /* if configured PBE size is greater then the chosen one,
- * reduce the PBE size.
- */
- buf_size = roundup(buf_list[i].size, PAGE_SIZE);
- /* pbe_size has to be even multiple of 4K 1,2,4,8...*/
- buf_size = roundup_pow_of_two(buf_size);
- if (*pbe_size > buf_size)
- *pbe_size = buf_size;
-
- total_size += buf_size;
- }
- *pbe_size = *pbe_size > MAX_KERNEL_PBE_SIZE ?
- (MAX_KERNEL_PBE_SIZE) : (*pbe_size);
-
- /* num_pbes = total_size / (*pbe_size); this is implemented below. */
-
- return total_size >> ilog2(*pbe_size);
-}
-
-static void build_kernel_pbes(struct ib_phys_buf *buf_list, int ib_buf_cnt,
- u32 pbe_size, struct ocrdma_pbl *pbl_tbl,
- struct ocrdma_hw_mr *hwmr)
-{
- int i;
- int idx;
- int pbes_per_buf = 0;
- u64 buf_addr = 0;
- int num_pbes;
- struct ocrdma_pbe *pbe;
- int total_num_pbes = 0;
-
- if (!hwmr->num_pbes)
- return;
-
- pbe = (struct ocrdma_pbe *)pbl_tbl->va;
- num_pbes = 0;
-
- /* go through the OS phy regions & fill hw pbe entries into pbls. */
- for (i = 0; i < ib_buf_cnt; i++) {
- buf_addr = buf_list[i].addr;
- pbes_per_buf =
- roundup_pow_of_two(roundup(buf_list[i].size, PAGE_SIZE)) /
- pbe_size;
- hwmr->len += buf_list[i].size;
- /* number of pbes can be more for one OS buf, when
- * buffers are of different sizes.
- * split the ib_buf to one or more pbes.
- */
- for (idx = 0; idx < pbes_per_buf; idx++) {
- /* we program always page aligned addresses,
- * first unaligned address is taken care by fbo.
- */
- if (i == 0) {
- /* for non zero fbo, assign the
- * start of the page.
- */
- pbe->pa_lo =
- cpu_to_le32((u32) (buf_addr & PAGE_MASK));
- pbe->pa_hi =
- cpu_to_le32((u32) upper_32_bits(buf_addr));
- } else {
- pbe->pa_lo =
- cpu_to_le32((u32) (buf_addr & 0xffffffff));
- pbe->pa_hi =
- cpu_to_le32((u32) upper_32_bits(buf_addr));
- }
- buf_addr += pbe_size;
- num_pbes += 1;
- total_num_pbes += 1;
- pbe++;
-
- if (total_num_pbes == hwmr->num_pbes)
- goto mr_tbl_done;
- /* if the pbl is full storing the pbes,
- * move to next pbl.
- */
- if (num_pbes == (hwmr->pbl_size/sizeof(u64))) {
- pbl_tbl++;
- pbe = (struct ocrdma_pbe *)pbl_tbl->va;
- num_pbes = 0;
- }
- }
- }
-mr_tbl_done:
- return;
-}
-
-struct ib_mr *ocrdma_reg_kernel_mr(struct ib_pd *ibpd,
- struct ib_phys_buf *buf_list,
- int buf_cnt, int acc, u64 *iova_start)
-{
- int status = -ENOMEM;
- struct ocrdma_mr *mr;
- struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
- struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
- u32 num_pbes;
- u32 pbe_size = 0;
-
- if ((acc & IB_ACCESS_REMOTE_WRITE) && !(acc & IB_ACCESS_LOCAL_WRITE))
- return ERR_PTR(-EINVAL);
-
- mr = kzalloc(sizeof(*mr), GFP_KERNEL);
- if (!mr)
- return ERR_PTR(status);
-
- num_pbes = count_kernel_pbes(buf_list, buf_cnt, &pbe_size);
- if (num_pbes == 0) {
- status = -EINVAL;
- goto pbl_err;
- }
- status = ocrdma_get_pbl_info(dev, mr, num_pbes);
- if (status)
- goto pbl_err;
-
- mr->hwmr.pbe_size = pbe_size;
- mr->hwmr.fbo = *iova_start - (buf_list[0].addr & PAGE_MASK);
- mr->hwmr.va = *iova_start;
- mr->hwmr.local_rd = 1;
- mr->hwmr.remote_wr = (acc & IB_ACCESS_REMOTE_WRITE) ? 1 : 0;
- mr->hwmr.remote_rd = (acc & IB_ACCESS_REMOTE_READ) ? 1 : 0;
- mr->hwmr.local_wr = (acc & IB_ACCESS_LOCAL_WRITE) ? 1 : 0;
- mr->hwmr.remote_atomic = (acc & IB_ACCESS_REMOTE_ATOMIC) ? 1 : 0;
- mr->hwmr.mw_bind = (acc & IB_ACCESS_MW_BIND) ? 1 : 0;
-
- status = ocrdma_build_pbl_tbl(dev, &mr->hwmr);
- if (status)
- goto pbl_err;
- build_kernel_pbes(buf_list, buf_cnt, pbe_size, mr->hwmr.pbl_table,
- &mr->hwmr);
- status = ocrdma_reg_mr(dev, &mr->hwmr, pd->id, acc);
- if (status)
- goto mbx_err;
-
- mr->ibmr.lkey = mr->hwmr.lkey;
- if (mr->hwmr.remote_wr || mr->hwmr.remote_rd)
- mr->ibmr.rkey = mr->hwmr.lkey;
- return &mr->ibmr;
-
-mbx_err:
- ocrdma_free_mr_pbl_tbl(dev, &mr->hwmr);
-pbl_err:
- kfree(mr);
- return ERR_PTR(status);
-}
-
static int ocrdma_set_page(struct ib_mr *ibmr, u64 addr)
{
struct ocrdma_mr *mr = get_ocrdma_mr(ibmr);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
index a2f3b4dc20b0..8b517fd36779 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
@@ -117,9 +117,6 @@ int ocrdma_post_srq_recv(struct ib_srq *, struct ib_recv_wr *,
int ocrdma_dereg_mr(struct ib_mr *);
struct ib_mr *ocrdma_get_dma_mr(struct ib_pd *, int acc);
-struct ib_mr *ocrdma_reg_kernel_mr(struct ib_pd *,
- struct ib_phys_buf *buffer_list,
- int num_phys_buf, int acc, u64 *iova_start);
struct ib_mr *ocrdma_reg_user_mr(struct ib_pd *, u64 start, u64 length,
u64 virt, int acc, struct ib_udata *);
struct ib_mr *ocrdma_alloc_mr(struct ib_pd *pd,
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