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Message-ID: <20230904054329.865151-1-alistair.francis@wdc.com>
Date: Mon, 4 Sep 2023 15:43:27 +1000
From: Alistair Francis <alistair23@...il.com>
To: bhelgaas@...gle.com, linux-pci@...r.kernel.org,
Jonathan.Cameron@...wei.com, lukas@...ner.de
Cc: alex.williamson@...hat.com, christian.koenig@....com,
kch@...dia.com, gregkh@...uxfoundation.org, logang@...tatee.com,
linux-kernel@...r.kernel.org, alistair23@...il.com,
chaitanyak@...dia.com, rdunlap@...radead.org,
Alistair Francis <alistair.francis@....com>
Subject: [PATCH v7 1/3] PCI/DOE: Rename DOE protocol to feature
DOE r1.1 replaced all occurrences of "protocol" with the term "feature"
or "Data Object Type".
PCIe r6.1 (which was published July 24) incorporated that change.
This patch renames the existing terms protocol with feature.
Signed-off-by: Alistair Francis <alistair.francis@....com>
---
v7:
- Initial patch
drivers/pci/doe.c | 40 ++++++++++++++++++++--------------------
1 file changed, 20 insertions(+), 20 deletions(-)
diff --git a/drivers/pci/doe.c b/drivers/pci/doe.c
index e3aab5edaf70..047be8c9d191 100644
--- a/drivers/pci/doe.c
+++ b/drivers/pci/doe.c
@@ -43,7 +43,7 @@
*
* @pdev: PCI device this mailbox belongs to
* @cap_offset: Capability offset
- * @prots: Array of protocols supported (encoded as long values)
+ * @prots: Array of features supported (encoded as long values)
* @wq: Wait queue for work item
* @work_queue: Queue of pci_doe_work items
* @flags: Bit array of PCI_DOE_FLAG_* flags
@@ -58,7 +58,7 @@ struct pci_doe_mb {
unsigned long flags;
};
-struct pci_doe_protocol {
+struct pci_doe_feature {
u16 vid;
u8 type;
};
@@ -66,7 +66,7 @@ struct pci_doe_protocol {
/**
* struct pci_doe_task - represents a single query/response
*
- * @prot: DOE Protocol
+ * @prot: DOE Feature
* @request_pl: The request payload
* @request_pl_sz: Size of the request payload (bytes)
* @response_pl: The response payload
@@ -78,7 +78,7 @@ struct pci_doe_protocol {
* @doe_mb: Used internally by the mailbox
*/
struct pci_doe_task {
- struct pci_doe_protocol prot;
+ struct pci_doe_feature prot;
const __le32 *request_pl;
size_t request_pl_sz;
__le32 *response_pl;
@@ -217,11 +217,11 @@ static int pci_doe_recv_resp(struct pci_doe_mb *doe_mb, struct pci_doe_task *tas
int i = 0;
u32 val;
- /* Read the first dword to get the protocol */
+ /* Read the first dword to get the feature */
pci_read_config_dword(pdev, offset + PCI_DOE_READ, &val);
if ((FIELD_GET(PCI_DOE_DATA_OBJECT_HEADER_1_VID, val) != task->prot.vid) ||
(FIELD_GET(PCI_DOE_DATA_OBJECT_HEADER_1_TYPE, val) != task->prot.type)) {
- dev_err_ratelimited(&pdev->dev, "[%x] expected [VID, Protocol] = [%04x, %02x], got [%04x, %02x]\n",
+ dev_err_ratelimited(&pdev->dev, "[%x] expected [VID, Feature] = [%04x, %02x], got [%04x, %02x]\n",
doe_mb->cap_offset, task->prot.vid, task->prot.type,
FIELD_GET(PCI_DOE_DATA_OBJECT_HEADER_1_VID, val),
FIELD_GET(PCI_DOE_DATA_OBJECT_HEADER_1_TYPE, val));
@@ -384,7 +384,7 @@ static void pci_doe_task_complete(struct pci_doe_task *task)
}
static int pci_doe_discovery(struct pci_doe_mb *doe_mb, u8 *index, u16 *vid,
- u8 *protocol)
+ u8 *feature)
{
u32 request_pl = FIELD_PREP(PCI_DOE_DATA_OBJECT_DISC_REQ_3_INDEX,
*index);
@@ -404,7 +404,7 @@ static int pci_doe_discovery(struct pci_doe_mb *doe_mb, u8 *index, u16 *vid,
response_pl = le32_to_cpu(response_pl_le);
*vid = FIELD_GET(PCI_DOE_DATA_OBJECT_DISC_RSP_3_VID, response_pl);
- *protocol = FIELD_GET(PCI_DOE_DATA_OBJECT_DISC_RSP_3_PROTOCOL,
+ *feature = FIELD_GET(PCI_DOE_DATA_OBJECT_DISC_RSP_3_PROTOCOL,
response_pl);
*index = FIELD_GET(PCI_DOE_DATA_OBJECT_DISC_RSP_3_NEXT_INDEX,
response_pl);
@@ -417,7 +417,7 @@ static void *pci_doe_xa_prot_entry(u16 vid, u8 prot)
return xa_mk_value((vid << 8) | prot);
}
-static int pci_doe_cache_protocols(struct pci_doe_mb *doe_mb)
+static int pci_doe_cache_features(struct pci_doe_mb *doe_mb)
{
u8 index = 0;
u8 xa_idx = 0;
@@ -432,7 +432,7 @@ static int pci_doe_cache_protocols(struct pci_doe_mb *doe_mb)
return rc;
pci_dbg(doe_mb->pdev,
- "[%x] Found protocol %d vid: %x prot: %x\n",
+ "[%x] Found feature %d vid: %x prot: %x\n",
doe_mb->cap_offset, xa_idx, vid, prot);
rc = xa_insert(&doe_mb->prots, xa_idx++,
@@ -460,7 +460,7 @@ static void pci_doe_cancel_tasks(struct pci_doe_mb *doe_mb)
* @pdev: PCI device to create the DOE mailbox for
* @cap_offset: Offset of the DOE mailbox
*
- * Create a single mailbox object to manage the mailbox protocol at the
+ * Create a single mailbox object to manage the mailbox feature at the
* cap_offset specified.
*
* RETURNS: created mailbox object on success
@@ -502,11 +502,11 @@ static struct pci_doe_mb *pci_doe_create_mb(struct pci_dev *pdev,
/*
* The state machine and the mailbox should be in sync now;
- * Use the mailbox to query protocols.
+ * Use the mailbox to query features.
*/
- rc = pci_doe_cache_protocols(doe_mb);
+ rc = pci_doe_cache_features(doe_mb);
if (rc) {
- pci_err(pdev, "[%x] failed to cache protocols : %d\n",
+ pci_err(pdev, "[%x] failed to cache features : %d\n",
doe_mb->cap_offset, rc);
goto err_cancel;
}
@@ -540,19 +540,19 @@ static void pci_doe_destroy_mb(struct pci_doe_mb *doe_mb)
/**
* pci_doe_supports_prot() - Return if the DOE instance supports the given
- * protocol
+ * feature
* @doe_mb: DOE mailbox capability to query
- * @vid: Protocol Vendor ID
- * @type: Protocol type
+ * @vid: Feature Vendor ID
+ * @type: Feature type
*
- * RETURNS: True if the DOE mailbox supports the protocol specified
+ * RETURNS: True if the DOE mailbox supports the feature specified
*/
static bool pci_doe_supports_prot(struct pci_doe_mb *doe_mb, u16 vid, u8 type)
{
unsigned long index;
void *entry;
- /* The discovery protocol must always be supported */
+ /* The discovery feature must always be supported */
if (vid == PCI_VENDOR_ID_PCI_SIG && type == PCI_DOE_PROTOCOL_DISCOVERY)
return true;
@@ -659,7 +659,7 @@ EXPORT_SYMBOL_GPL(pci_doe);
* @vendor: Vendor ID
* @type: Data Object Type
*
- * Find first DOE mailbox of a PCI device which supports the given protocol.
+ * Find first DOE mailbox of a PCI device which supports the given feature.
*
* RETURNS: Pointer to the DOE mailbox or NULL if none was found.
*/
--
2.41.0
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