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IB/ehca: Support all ibv_devinfo values in query_device() and query_port()

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Also, introduce a few inline helper functions to make the code more readable.

Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Stefan Roscher 2008-04-16 21:09:35 -07:00 committed by Roland Dreier
parent 4cd1e5eb3c
commit c83b5b1cb2
1 changed files with 79 additions and 48 deletions
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127
drivers/infiniband/hw/ehca/ehca_hca.c
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@ -43,6 +43,11 @@
#include "ehca_iverbs.h"
#include "hcp_if.h"
static unsigned int limit_uint(unsigned int value)
{
return min_t(unsigned int, value, INT_MAX);
}
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
{
int i, ret = 0;
@ -83,37 +88,40 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
props->vendor_id = rblock->vendor_id >> 8;
props->vendor_part_id = rblock->vendor_part_id >> 16;
props->hw_ver = rblock->hw_ver;
props->max_qp = min_t(unsigned, rblock->max_qp, INT_MAX);
props->max_qp_wr = min_t(unsigned, rblock->max_wqes_wq, INT_MAX);
props->max_sge = min_t(unsigned, rblock->max_sge, INT_MAX);
props->max_sge_rd = min_t(unsigned, rblock->max_sge_rd, INT_MAX);
props->max_cq = min_t(unsigned, rblock->max_cq, INT_MAX);
props->max_cqe = min_t(unsigned, rblock->max_cqe, INT_MAX);
props->max_mr = min_t(unsigned, rblock->max_mr, INT_MAX);
props->max_mw = min_t(unsigned, rblock->max_mw, INT_MAX);
props->max_pd = min_t(unsigned, rblock->max_pd, INT_MAX);
props->max_ah = min_t(unsigned, rblock->max_ah, INT_MAX);
props->max_fmr = min_t(unsigned, rblock->max_mr, INT_MAX);
props->max_qp = limit_uint(rblock->max_qp);
props->max_qp_wr = limit_uint(rblock->max_wqes_wq);
props->max_sge = limit_uint(rblock->max_sge);
props->max_sge_rd = limit_uint(rblock->max_sge_rd);
props->max_cq = limit_uint(rblock->max_cq);
props->max_cqe = limit_uint(rblock->max_cqe);
props->max_mr = limit_uint(rblock->max_mr);
props->max_mw = limit_uint(rblock->max_mw);
props->max_pd = limit_uint(rblock->max_pd);
props->max_ah = limit_uint(rblock->max_ah);
props->max_ee = limit_uint(rblock->max_rd_ee_context);
props->max_rdd = limit_uint(rblock->max_rd_domain);
props->max_fmr = limit_uint(rblock->max_mr);
props->local_ca_ack_delay = limit_uint(rblock->local_ca_ack_delay);
props->max_qp_rd_atom = limit_uint(rblock->max_rr_qp);
props->max_ee_rd_atom = limit_uint(rblock->max_rr_ee_context);
props->max_res_rd_atom = limit_uint(rblock->max_rr_hca);
props->max_qp_init_rd_atom = limit_uint(rblock->max_act_wqs_qp);
props->max_ee_init_rd_atom = limit_uint(rblock->max_act_wqs_ee_context);
if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) {
props->max_srq = props->max_qp;
props->max_srq_wr = props->max_qp_wr;
props->max_srq = limit_uint(props->max_qp);
props->max_srq_wr = limit_uint(props->max_qp_wr);
props->max_srq_sge = 3;
}
props->max_pkeys = 16;
props->local_ca_ack_delay
= rblock->local_ca_ack_delay;
props->max_raw_ipv6_qp
= min_t(unsigned, rblock->max_raw_ipv6_qp, INT_MAX);
props->max_raw_ethy_qp
= min_t(unsigned, rblock->max_raw_ethy_qp, INT_MAX);
props->max_mcast_grp
= min_t(unsigned, rblock->max_mcast_grp, INT_MAX);
props->max_mcast_qp_attach
= min_t(unsigned, rblock->max_mcast_qp_attach, INT_MAX);
props->max_pkeys = 16;
props->local_ca_ack_delay = limit_uint(rblock->local_ca_ack_delay);
props->max_raw_ipv6_qp = limit_uint(rblock->max_raw_ipv6_qp);
props->max_raw_ethy_qp = limit_uint(rblock->max_raw_ethy_qp);
props->max_mcast_grp = limit_uint(rblock->max_mcast_grp);
props->max_mcast_qp_attach = limit_uint(rblock->max_mcast_qp_attach);
props->max_total_mcast_qp_attach
= min_t(unsigned, rblock->max_total_mcast_qp_attach, INT_MAX);
= limit_uint(rblock->max_total_mcast_qp_attach);
/* translate device capabilities */
props->device_cap_flags = IB_DEVICE_SYS_IMAGE_GUID |
@ -128,6 +136,46 @@ query_device1:
return ret;
}
static int map_mtu(struct ehca_shca *shca, u32 fw_mtu)
{
switch (fw_mtu) {
case 0x1:
return IB_MTU_256;
case 0x2:
return IB_MTU_512;
case 0x3:
return IB_MTU_1024;
case 0x4:
return IB_MTU_2048;
case 0x5:
return IB_MTU_4096;
default:
ehca_err(&shca->ib_device, "Unknown MTU size: %x.",
fw_mtu);
return 0;
}
}
static int map_number_of_vls(struct ehca_shca *shca, u32 vl_cap)
{
switch (vl_cap) {
case 0x1:
return 1;
case 0x2:
return 2;
case 0x3:
return 4;
case 0x4:
return 8;
case 0x5:
return 15;
default:
ehca_err(&shca->ib_device, "invalid Vl Capability: %x.",
vl_cap);
return 0;
}
}
int ehca_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
@ -152,31 +200,13 @@ int ehca_query_port(struct ib_device *ibdev,
memset(props, 0, sizeof(struct ib_port_attr));
switch (rblock->max_mtu) {
case 0x1:
props->active_mtu = props->max_mtu = IB_MTU_256;
break;
case 0x2:
props->active_mtu = props->max_mtu = IB_MTU_512;
break;
case 0x3:
props->active_mtu = props->max_mtu = IB_MTU_1024;
break;
case 0x4:
props->active_mtu = props->max_mtu = IB_MTU_2048;
break;
case 0x5:
props->active_mtu = props->max_mtu = IB_MTU_4096;
break;
default:
ehca_err(&shca->ib_device, "Unknown MTU size: %x.",
rblock->max_mtu);
break;
}
props->active_mtu = props->max_mtu = map_mtu(shca, rblock->max_mtu);
props->port_cap_flags = rblock->capability_mask;
props->gid_tbl_len = rblock->gid_tbl_len;
props->max_msg_sz = rblock->max_msg_sz;
if (rblock->max_msg_sz)
props->max_msg_sz = rblock->max_msg_sz;
else
props->max_msg_sz = 0x1 << 31;
props->bad_pkey_cntr = rblock->bad_pkey_cntr;
props->qkey_viol_cntr = rblock->qkey_viol_cntr;
props->pkey_tbl_len = rblock->pkey_tbl_len;
@ -186,6 +216,7 @@ int ehca_query_port(struct ib_device *ibdev,
props->sm_sl = rblock->sm_sl;
props->subnet_timeout = rblock->subnet_timeout;
props->init_type_reply = rblock->init_type_reply;
props->max_vl_num = map_number_of_vls(shca, rblock->vl_cap);
if (rblock->state && rblock->phys_width) {
props->phys_state = rblock->phys_pstate;