68 lines
1.9 KiB
Diff
68 lines
1.9 KiB
Diff
commit bb766caa49f4aef036208023290f16ce7b1cf05d
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Author: Haren Myneni <haren@linux.ibm.com>
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Date: Tue Aug 13 14:40:26 2024 -0700
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drmgr/SLOT: Add kernel interface support for device tree update
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Use the following kernel interfaces for SLOT device type to update
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the device tree if this feature is enabled in the kernel.
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dt add index <DRC index> --> for IO add
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dt remove index <DRC index> --> for IO remove
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Signed-off-by: Haren Myneni <haren@linux.ibm.com>
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Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
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diff --git a/src/drmgr/drslot_chrp_slot.c b/src/drmgr/drslot_chrp_slot.c
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index 0966c25..180b108 100644
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--- a/src/drmgr/drslot_chrp_slot.c
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+++ b/src/drmgr/drslot_chrp_slot.c
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@@ -71,7 +71,10 @@ release_slot(struct dr_node *slot)
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if (rc)
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return rc;
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- rc = remove_device_tree_nodes(slot->ofdt_path);
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+ if (kernel_dlpar_exists())
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+ rc = do_dt_kernel_dlpar(slot->drc_index, REMOVE);
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+ else
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+ rc = remove_device_tree_nodes(slot->ofdt_path);
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if (rc) {
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acquire_drc(slot->drc_index);
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return rc;
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@@ -160,7 +163,6 @@ static int
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acquire_slot(char *drc_name, struct dr_node **slot)
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{
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struct dr_connector drc;
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- struct of_node *of_nodes;
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char path[DR_PATH_MAX];
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int rc;
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@@ -180,14 +182,21 @@ acquire_slot(char *drc_name, struct dr_node **slot)
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if (rc)
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return rc;
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- of_nodes = configure_connector(drc.index);
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- if (of_nodes == NULL) {
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- release_drc(drc.index, PCI_DLPAR_DEV);
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- return -1;
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+ if (kernel_dlpar_exists()) {
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+ rc = do_dt_kernel_dlpar(drc.index, ADD);
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+ } else {
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+ struct of_node *of_nodes;
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+
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+ of_nodes = configure_connector(drc.index);
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+ if (of_nodes == NULL) {
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+ release_drc(drc.index, PCI_DLPAR_DEV);
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+ return -1;
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+ }
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+
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+ rc = add_device_tree_nodes(path, of_nodes);
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+ free_of_node(of_nodes);
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}
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- rc = add_device_tree_nodes(path, of_nodes);
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- free_of_node(of_nodes);
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if (rc) {
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say(ERROR, "add_device_tree_nodes failed at %s\n", path);
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release_drc(drc.index, PCI_DLPAR_DEV);
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