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Message-Id: <20241023100702.12606-2-konrad.knitter@intel.com>
Date: Wed, 23 Oct 2024 12:07:01 +0200
From: Konrad Knitter <konrad.knitter@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: jacob.e.keller@...el.com,
netdev@...r.kernel.org,
jiri@...nulli.us,
davem@...emloft.net,
edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com,
linux-kernel@...r.kernel.org,
anthony.l.nguyen@...el.com,
przemyslaw.kitszel@...el.com,
Konrad Knitter <konrad.knitter@...el.com>,
Marcin Szycik <marcin.szycik@...ux.intel.com>
Subject: [PATCH iwl-next v1 1/3] pldmfw: selected component update
Enable update of a selected component.
Reviewed-by: Marcin Szycik <marcin.szycik@...ux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Signed-off-by: Konrad Knitter <konrad.knitter@...el.com>
---
include/linux/pldmfw.h | 8 ++++++++
lib/pldmfw/pldmfw.c | 8 ++++++++
2 files changed, 16 insertions(+)
diff --git a/include/linux/pldmfw.h b/include/linux/pldmfw.h
index 0fc831338226..f5047983004f 100644
--- a/include/linux/pldmfw.h
+++ b/include/linux/pldmfw.h
@@ -125,9 +125,17 @@ struct pldmfw_ops;
* a pointer to their own data, used to implement the device specific
* operations.
*/
+
+enum pldmfw_update_mode {
+ PLDMFW_UPDATE_MODE_FULL,
+ PLDMFW_UPDATE_MODE_SINGLE_COMPONENT,
+};
+
struct pldmfw {
const struct pldmfw_ops *ops;
struct device *dev;
+ u16 component_identifier;
+ enum pldmfw_update_mode mode;
};
bool pldmfw_op_pci_match_record(struct pldmfw *context, struct pldmfw_record *record);
diff --git a/lib/pldmfw/pldmfw.c b/lib/pldmfw/pldmfw.c
index 6e1581b9a616..6264e2013f25 100644
--- a/lib/pldmfw/pldmfw.c
+++ b/lib/pldmfw/pldmfw.c
@@ -481,9 +481,17 @@ static int pldm_parse_components(struct pldmfw_priv *data)
component->component_data = data->fw->data + offset;
component->component_size = size;
+ if (data->context->mode == PLDMFW_UPDATE_MODE_SINGLE_COMPONENT &&
+ data->context->component_identifier != component->identifier)
+ continue;
+
list_add_tail(&component->entry, &data->components);
}
+ if (data->context->mode == PLDMFW_UPDATE_MODE_SINGLE_COMPONENT &&
+ list_empty(&data->components))
+ return -ENOENT;
+
header_crc_ptr = data->fw->data + data->offset;
err = pldm_move_fw_offset(data, sizeof(data->header_crc));
--
2.38.1
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