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Konstantin Taranovrleon
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RDMA/mana_ib: extend query device
Fill in properties of the ib device. Order the assignment in the order of fields in the struct ib_device_attr. Signed-off-by: Konstantin Taranov <[email protected]> Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Long Li <[email protected]> Signed-off-by: Leon Romanovsky <[email protected]>
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drivers/infiniband/hw/mana/main.c

Lines changed: 16 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -547,14 +547,27 @@ int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
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struct mana_ib_dev *dev = container_of(ibdev,
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struct mana_ib_dev, ib_dev);
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550+
memset(props, 0, sizeof(*props));
551+
props->max_mr_size = MANA_IB_MAX_MR_SIZE;
552+
props->page_size_cap = PAGE_SZ_BM;
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props->max_qp = dev->adapter_caps.max_qp_count;
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props->max_qp_wr = dev->adapter_caps.max_qp_wr;
555+
props->device_cap_flags = IB_DEVICE_RC_RNR_NAK_GEN;
556+
props->max_send_sge = dev->adapter_caps.max_send_sge_count;
557+
props->max_recv_sge = dev->adapter_caps.max_recv_sge_count;
558+
props->max_sge_rd = dev->adapter_caps.max_recv_sge_count;
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props->max_cq = dev->adapter_caps.max_cq_count;
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props->max_cqe = dev->adapter_caps.max_qp_wr;
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props->max_mr = dev->adapter_caps.max_mr_count;
555-
props->max_mr_size = MANA_IB_MAX_MR_SIZE;
556-
props->max_send_sge = dev->adapter_caps.max_send_sge_count;
557-
props->max_recv_sge = dev->adapter_caps.max_recv_sge_count;
562+
props->max_pd = dev->adapter_caps.max_pd_count;
563+
props->max_qp_rd_atom = dev->adapter_caps.max_inbound_read_limit;
564+
props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp;
565+
props->max_qp_init_rd_atom = dev->adapter_caps.max_outbound_read_limit;
566+
props->atomic_cap = IB_ATOMIC_NONE;
567+
props->masked_atomic_cap = IB_ATOMIC_NONE;
568+
props->max_ah = INT_MAX;
569+
props->max_pkeys = 1;
570+
props->local_ca_ack_delay = MANA_CA_ACK_DELAY;
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return 0;
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}

drivers/infiniband/hw/mana/mana_ib.h

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -27,6 +27,11 @@
2727
*/
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#define MANA_IB_MAX_MR 0xFFFFFFu
2929

30+
/*
31+
* The CA timeout is approx. 260ms (4us * 2^(DELAY))
32+
*/
33+
#define MANA_CA_ACK_DELAY 16
34+
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struct mana_ib_adapter_caps {
3136
u32 max_sq_id;
3237
u32 max_rq_id;

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