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feat: expose more fields in device_attr, expose raw handles for device_attr and port_attr #97

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feat: expose more fields in device_attr, expose raw handles for device_attr and port_attr #97

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af96af9
feat(ibverbs): expose extended device attribute getters
dragonJACson Mar 10, 2026
057f21b
feat(ibverbs): expose raw device_attr and port_attr handles
dragonJACson Mar 10, 2026
c41a8e8
feat(examples): display more fields in ibv_devinfo
dragonJACson Mar 10, 2026
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86 changes: 85 additions & 1 deletion examples/ibv_devinfo.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ use sideway::ibverbs::device::{Device, DeviceInfo};

use termtree::Tree;

const FIELD_ALIGN: usize = 25;
const FIELD_ALIGN: usize = 28;

#[macro_export]
macro_rules! aligned_field {
Expand Down Expand Up @@ -76,6 +76,90 @@ fn build_device_tree(device: &Device) -> Tree<String> {
attr.vendor_part_id()
));
device_tree.push(aligned_field!("hw_ver", fmt = "0x{:x}", attr.hardware_version()));
device_tree.push(aligned_field!("max_mr_size", fmt = "0x{:x}", attr.max_mr_size()));
device_tree.push(aligned_field!("page_size_cap", fmt = "0x{:x}", attr.page_size_cap()));
device_tree.push(aligned_field!("max_qp", attr.max_qp()));
device_tree.push(aligned_field!("max_qp_wr", attr.max_qp_wr()));
device_tree.push(aligned_field!(
"device_cap_flags",
fmt = "0x{:08x}",
attr.device_cap_flags().bits()
));
device_tree.push(aligned_field!(
"device_cap_flags_names",
format!("{:?}", attr.device_cap_flags())
));
device_tree.push(aligned_field!("max_sge", attr.max_sge()));
device_tree.push(aligned_field!("max_sge_rd", attr.max_sge_rd()));
device_tree.push(aligned_field!("max_cq", attr.max_cq()));
device_tree.push(aligned_field!("max_cqe", attr.max_cqe()));
device_tree.push(aligned_field!("max_mr", attr.max_mr()));
device_tree.push(aligned_field!("max_pd", attr.max_pd()));
device_tree.push(aligned_field!("max_qp_rd_atom", attr.max_qp_rd_atom()));
device_tree.push(aligned_field!("max_ee_rd_atom", attr.max_ee_rd_atom()));
device_tree.push(aligned_field!("max_res_rd_atom", attr.max_res_rd_atomic()));
device_tree.push(aligned_field!("max_qp_init_rd_atom", attr.max_qp_init_rd_atom()));
device_tree.push(aligned_field!("max_ee_init_rd_atom", attr.max_ee_init_rd_atom()));
device_tree.push(aligned_field!(
"atomic_cap",
format!("{:?} ({})", attr.atomic_capability(), attr.atomic_capability() as u32)
));
device_tree.push(aligned_field!("max_ee", attr.max_ee()));
device_tree.push(aligned_field!("max_rdd", attr.max_rdd()));
device_tree.push(aligned_field!("max_mw", attr.max_mw()));
device_tree.push(aligned_field!("max_raw_ipv6_qp", attr.max_raw_ipv6_qp()));
device_tree.push(aligned_field!("max_raw_ethy_qp", attr.max_raw_ethy_qp()));
device_tree.push(aligned_field!("max_mcast_grp", attr.max_mcast_grp()));
device_tree.push(aligned_field!("max_mcast_qp_attach", attr.max_mcast_qp_attach()));
device_tree.push(aligned_field!(
"max_total_mcast_qp_attach",
attr.max_total_mcast_qp_attach()
));
device_tree.push(aligned_field!("max_ah", attr.max_ah()));
device_tree.push(aligned_field!("max_fmr", attr.max_fmr()));
device_tree.push(aligned_field!("max_map_per_fmr", attr.max_map_per_fmr()));
device_tree.push(aligned_field!("max_srq", attr.max_srq()));
device_tree.push(aligned_field!("max_srq_wr", attr.max_srq_wr()));
device_tree.push(aligned_field!("max_srq_sge", attr.max_srq_sge()));
device_tree.push(aligned_field!("max_pkeys", attr.max_pkeys()));
device_tree.push(aligned_field!("local_ca_ack_delay", attr.local_ca_ack_delay()));
device_tree.push(aligned_field!(
"completion_ts_mask",
if attr.completion_timestamp_mask() == 0 {
"not supported".to_string()
} else {
format!("0x{:016x}", attr.completion_timestamp_mask())
}
));
device_tree.push(aligned_field!(
"hca_core_clock",
if attr.hca_core_clock() == 0 {
"not supported".to_string()
} else {
format!("{} kHz", attr.hca_core_clock())
}
));
let pci_atomic_caps = attr.pci_atomic_caps();
device_tree.push(aligned_field!(
"pci_atomic.fetch_add",
format!(
"{:?} (0x{:x})",
pci_atomic_caps.fetch_add(),
pci_atomic_caps.fetch_add().bits()
)
));
device_tree.push(aligned_field!(
"pci_atomic.swap",
format!("{:?} (0x{:x})", pci_atomic_caps.swap(), pci_atomic_caps.swap().bits())
));
device_tree.push(aligned_field!(
"pci_atomic.compare_swap",
format!(
"{:?} (0x{:x})",
pci_atomic_caps.compare_swap(),
pci_atomic_caps.compare_swap().bits()
)
));
device_tree.push(aligned_field!("phys_port_cnt", attr.phys_port_cnt()));

// Add ports as subtrees
Expand Down
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