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authorJiri Kosina <jkosina@suse.com>2025-03-26 13:42:07 +0100
committerJiri Kosina <jkosina@suse.com>2025-03-26 13:42:07 +0100
commitb3cc7428a32202936904b5b07cf9f135025bafd6 (patch)
treed4a1a6180ac5939fccd92acd6f8d7d1388575c4a /drivers/infiniband/core/ud_header.c
parentdb52926fb0be40e1d588a346df73f5ea3a34a4c6 (diff)
parent01601fdd40ecf4467c8ae4d215dbb7d2a0599a2c (diff)
Merge branch 'for-6.15/amd_sfh' into for-linus
From: Mario Limonciello <mario.limonciello@amd.com> Some platforms include a human presence detection (HPD) sensor. When enabled and a user is detected a wake event will be emitted from the sensor fusion hub that software can react to. Example use cases are "wake from suspend on approach" or to "lock when leaving". This is currently enabled by default on supported systems, but users can't control it. This essentially means that wake on approach is enabled which is a really surprising behavior to users that don't expect it. Instead of defaulting to enabled add a sysfs knob that users can use to enable the feature if desirable and set it to disabled by default.
Diffstat (limited to 'drivers/infiniband/core/ud_header.c')
-rw-r--r--drivers/infiniband/core/ud_header.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/drivers/infiniband/core/ud_header.c b/drivers/infiniband/core/ud_header.c
index 64d9c492de643..8d3dfef9ebaa7 100644
--- a/drivers/infiniband/core/ud_header.c
+++ b/drivers/infiniband/core/ud_header.c
@@ -462,86 +462,3 @@ int ib_ud_header_pack(struct ib_ud_header *header,
return len;
}
EXPORT_SYMBOL(ib_ud_header_pack);
-
-/**
- * ib_ud_header_unpack - Unpack UD header struct from wire format
- * @header:UD header struct
- * @buf:Buffer to pack into
- *
- * ib_ud_header_pack() unpacks the UD header structure @header from wire
- * format in the buffer @buf.
- */
-int ib_ud_header_unpack(void *buf,
- struct ib_ud_header *header)
-{
- ib_unpack(lrh_table, ARRAY_SIZE(lrh_table),
- buf, &header->lrh);
- buf += IB_LRH_BYTES;
-
- if (header->lrh.link_version != 0) {
- pr_warn("Invalid LRH.link_version %u\n",
- header->lrh.link_version);
- return -EINVAL;
- }
-
- switch (header->lrh.link_next_header) {
- case IB_LNH_IBA_LOCAL:
- header->grh_present = 0;
- break;
-
- case IB_LNH_IBA_GLOBAL:
- header->grh_present = 1;
- ib_unpack(grh_table, ARRAY_SIZE(grh_table),
- buf, &header->grh);
- buf += IB_GRH_BYTES;
-
- if (header->grh.ip_version != 6) {
- pr_warn("Invalid GRH.ip_version %u\n",
- header->grh.ip_version);
- return -EINVAL;
- }
- if (header->grh.next_header != 0x1b) {
- pr_warn("Invalid GRH.next_header 0x%02x\n",
- header->grh.next_header);
- return -EINVAL;
- }
- break;
-
- default:
- pr_warn("Invalid LRH.link_next_header %u\n",
- header->lrh.link_next_header);
- return -EINVAL;
- }
-
- ib_unpack(bth_table, ARRAY_SIZE(bth_table),
- buf, &header->bth);
- buf += IB_BTH_BYTES;
-
- switch (header->bth.opcode) {
- case IB_OPCODE_UD_SEND_ONLY:
- header->immediate_present = 0;
- break;
- case IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE:
- header->immediate_present = 1;
- break;
- default:
- pr_warn("Invalid BTH.opcode 0x%02x\n", header->bth.opcode);
- return -EINVAL;
- }
-
- if (header->bth.transport_header_version != 0) {
- pr_warn("Invalid BTH.transport_header_version %u\n",
- header->bth.transport_header_version);
- return -EINVAL;
- }
-
- ib_unpack(deth_table, ARRAY_SIZE(deth_table),
- buf, &header->deth);
- buf += IB_DETH_BYTES;
-
- if (header->immediate_present)
- memcpy(&header->immediate_data, buf, sizeof header->immediate_data);
-
- return 0;
-}
-EXPORT_SYMBOL(ib_ud_header_unpack);