From: Akhil Goyal <gakhil@marvell.com>
To: <dev@dpdk.org>
Cc: <thomas@monjalon.net>, <david.marchand@redhat.com>,
<hemant.agrawal@nxp.com>, <jerinj@marvell.com>,
<hkalra@marvell.com>, <stephen@networkplumber.org>,
<sachin.saxena@oss.nxp.com>, <ferruh.yigit@amd.com>,
Akhil Goyal <gakhil@marvell.com>
Subject: [PATCH v6 8/9] raw/cnxk_rvu_lf: support getting BAR addresses
Date: Mon, 28 Oct 2024 16:31:14 +0530 [thread overview]
Message-ID: <20241028110115.1070655-9-gakhil@marvell.com> (raw)
In-Reply-To: <20241028110115.1070655-1-gakhil@marvell.com>
Added rte_pmd_rvu_lf_bar_get() API to get BAR address
for out of tree drivers to configure hardware.
Signed-off-by: Akhil Goyal <gakhil@marvell.com>
---
doc/guides/rawdevs/cnxk_rvu_lf.rst | 8 +++++++
drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c | 24 ++++++++++++++++++++
drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h | 18 +++++++++++++++
drivers/raw/cnxk_rvu_lf/version.map | 1 +
4 files changed, 51 insertions(+)
diff --git a/doc/guides/rawdevs/cnxk_rvu_lf.rst b/doc/guides/rawdevs/cnxk_rvu_lf.rst
index 0854c88ac9..708c9410fd 100644
--- a/doc/guides/rawdevs/cnxk_rvu_lf.rst
+++ b/doc/guides/rawdevs/cnxk_rvu_lf.rst
@@ -22,6 +22,7 @@ The RVU LF device implements following features in the rawdev API:
- Register/unregister mailbox callbacks for the other side to process mailboxes.
- Set mailbox message ID range to be used by the driver.
- Process mailbox messages.
+- Get BAR Addresses for the out of tree drivers to configure registers.
Limitations
-----------
@@ -79,3 +80,10 @@ It accepts an opaque pointer of a request and its size which can be defined by u
and provides an opaque pointer for a response and its length.
PF and VF out of tree driver can define its own request and response based on the message id
of the mailbox.
+
+Get BAR addresses
+-----------------
+
+Out of tree drivers can retrieve PCI BAR addresses of the device using the API
+``rte_pmd_rvu_lf_bar_get()``. This helps PF/VF drivers to configure the
+registers of the hardware device.
diff --git a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
index 156b9460c1..3a3971ecd3 100644
--- a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
+++ b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
@@ -103,6 +103,30 @@ rte_pmd_rvu_lf_irq_unregister(uint8_t dev_id, unsigned int irq,
return roc_rvu_lf_irq_unregister(roc_rvu_lf, irq, (roc_rvu_lf_intr_cb_fn)cb, data);
}
+int
+rte_pmd_rvu_lf_bar_get(uint8_t dev_id, uint8_t bar_num, size_t *va, size_t *mask)
+{
+ struct roc_rvu_lf *roc_rvu_lf;
+ struct rte_rawdev *rawdev;
+
+ rawdev = rte_rawdev_pmd_get_dev(dev_id);
+ if (rawdev == NULL)
+ return -EINVAL;
+
+ roc_rvu_lf = (struct roc_rvu_lf *)rawdev->dev_private;
+
+ if (bar_num > PCI_MAX_RESOURCE ||
+ (roc_rvu_lf->pci_dev->mem_resource[bar_num].addr == NULL)) {
+ *va = 0;
+ *mask = 0;
+ return -ENOTSUP;
+ }
+ *va = (size_t)(roc_rvu_lf->pci_dev->mem_resource[bar_num].addr);
+ *mask = (size_t)(roc_rvu_lf->pci_dev->mem_resource[bar_num].len - 1);
+
+ return 0;
+}
+
uint16_t
rte_pmd_rvu_lf_npa_pf_func_get(void)
{
diff --git a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h
index 9c4ede2602..e405831ce1 100644
--- a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h
+++ b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h
@@ -193,6 +193,24 @@ __rte_internal
int rte_pmd_rvu_lf_msg_process(uint8_t dev_id, uint16_t vf, uint16_t msg_id,
void *req, uint16_t req_len, void *rsp, uint16_t rsp_len);
+/**
+ * Get BAR addresses for the RVU LF device.
+ *
+ * @param dev_id
+ * device id of RVU LF device
+ * @param bar_num
+ * BAR number for which address is required
+ * @param[out] va
+ * Virtual address of the BAR. 0 if not mapped
+ * @param[out] mask
+ * BAR address mask, 0 if not mapped
+ *
+ * @return
+ * Returns 0 on success, negative error code otherwise
+ */
+__rte_internal
+int rte_pmd_rvu_lf_bar_get(uint8_t dev_id, uint8_t bar_num, size_t *va, size_t *mask);
+
#ifdef __cplusplus
}
#endif
diff --git a/drivers/raw/cnxk_rvu_lf/version.map b/drivers/raw/cnxk_rvu_lf/version.map
index aa974f629e..012f05d1e4 100644
--- a/drivers/raw/cnxk_rvu_lf/version.map
+++ b/drivers/raw/cnxk_rvu_lf/version.map
@@ -1,6 +1,7 @@
INTERNAL {
global:
+ rte_pmd_rvu_lf_bar_get;
rte_pmd_rvu_lf_irq_register;
rte_pmd_rvu_lf_irq_unregister;
rte_pmd_rvu_lf_msg_handler_register;
--
2.25.1
next prev parent reply other threads:[~2024-10-28 11:02 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-07 19:33 [PATCH 0/9] drivers/raw: introduce cnxk rvu lf device driver Akhil Goyal
2024-09-07 19:33 ` [PATCH 1/9] rawdev: add API to get device from index Akhil Goyal
2024-09-23 15:23 ` Jerin Jacob
2024-10-08 7:40 ` [PATCH v2] " Akhil Goyal
2024-10-08 11:59 ` David Marchand
2024-10-08 12:00 ` [EXTERNAL] " Akhil Goyal
2024-10-09 21:13 ` Akhil Goyal
2024-10-21 10:48 ` Akhil Goyal
2024-10-09 6:11 ` Hemant Agrawal
2024-10-22 19:12 ` David Marchand
2024-09-07 19:33 ` [PATCH 2/9] drivers/raw: introduce cnxk rvu lf device driver Akhil Goyal
2024-09-23 15:28 ` Jerin Jacob
2024-10-08 10:54 ` [PATCH v2 0/9] " Akhil Goyal
2024-10-08 10:54 ` [PATCH v2 1/9] " Akhil Goyal
2024-10-08 10:54 ` [PATCH v2 2/9] raw/cnxk_rvu_lf: add PMD API to get npa/sso pffunc Akhil Goyal
2024-10-08 10:54 ` [PATCH v2 3/9] raw/cnxk_rvu_lf: add PMD API to get BAR addresses Akhil Goyal
2024-10-08 10:54 ` [PATCH v2 4/9] raw/cnxk_rvu_lf: register/unregister interrupt handler Akhil Goyal
2024-10-08 10:54 ` [PATCH v2 5/9] raw/cnxk_rvu_lf: register/unregister msg handler Akhil Goyal
2024-10-08 10:54 ` [PATCH v2 6/9] raw/cnxk_rvu_lf: set message ID range Akhil Goyal
2024-10-08 10:54 ` [PATCH v2 7/9] raw/cnxk_rvu_lf: process mailbox message Akhil Goyal
2024-10-08 10:54 ` [PATCH v2 8/9] raw/cnxk_rvu_lf: add selftest Akhil Goyal
2024-10-08 10:54 ` [PATCH v2 9/9] raw/cnxk_rvu_lf: add PMD API to get device pffunc Akhil Goyal
2024-10-08 11:52 ` [PATCH v2 0/9] drivers/raw: introduce cnxk rvu lf device driver David Marchand
2024-10-08 12:10 ` [EXTERNAL] " Akhil Goyal
2024-10-08 18:49 ` [PATCH v3 " Akhil Goyal
2024-10-08 18:49 ` [PATCH v3 1/9] " Akhil Goyal
2024-10-08 20:44 ` Stephen Hemminger
2024-10-09 18:09 ` Stephen Hemminger
2024-10-09 18:14 ` [EXTERNAL] " Akhil Goyal
2024-10-23 14:01 ` David Marchand
2024-10-08 18:49 ` [PATCH v3 2/9] raw/cnxk_rvu_lf: add PMD API to get npa/sso pffunc Akhil Goyal
2024-10-23 14:13 ` David Marchand
2024-10-08 18:49 ` [PATCH v3 3/9] raw/cnxk_rvu_lf: add PMD API to get BAR addresses Akhil Goyal
2024-10-21 21:30 ` Thomas Monjalon
2024-10-22 2:46 ` Jerin Jacob
2024-10-22 6:05 ` [EXTERNAL] " Akhil Goyal
2024-10-22 9:27 ` Thomas Monjalon
2024-10-22 10:08 ` David Marchand
2024-10-22 12:06 ` Akhil Goyal
2024-10-23 16:00 ` Thomas Monjalon
2024-10-23 19:14 ` Akhil Goyal
2024-10-23 19:29 ` Thomas Monjalon
2024-10-24 13:03 ` Akhil Goyal
2024-10-22 15:30 ` Stephen Hemminger
2024-10-22 17:06 ` Jerin Jacob
2024-10-08 18:49 ` [PATCH v3 4/9] raw/cnxk_rvu_lf: register/unregister interrupt handler Akhil Goyal
2024-10-08 18:49 ` [PATCH v3 5/9] raw/cnxk_rvu_lf: register/unregister msg handler Akhil Goyal
2024-10-08 18:49 ` [PATCH v3 6/9] raw/cnxk_rvu_lf: set message ID range Akhil Goyal
2024-10-08 18:49 ` [PATCH v3 7/9] raw/cnxk_rvu_lf: process mailbox message Akhil Goyal
2024-10-08 18:49 ` [PATCH v3 8/9] raw/cnxk_rvu_lf: add selftest Akhil Goyal
2024-10-23 14:16 ` David Marchand
2024-10-08 18:49 ` [PATCH v3 9/9] raw/cnxk_rvu_lf: add PMD API to get device pffunc Akhil Goyal
2024-10-24 13:01 ` [PATCH v4 0/9] drivers/raw: introduce cnxk rvu lf device driver Akhil Goyal
2024-10-24 13:01 ` [PATCH v4 1/9] " Akhil Goyal
2024-10-24 13:01 ` [PATCH v4 2/9] raw/cnxk_rvu_lf: add API to get NPA/SSO pffunc Akhil Goyal
2024-10-24 13:01 ` [PATCH v4 3/9] raw/cnxk_rvu_lf: register/unregister interrupt handler Akhil Goyal
2024-10-24 13:01 ` [PATCH v4 4/9] raw/cnxk_rvu_lf: register/unregister msg handler Akhil Goyal
2024-10-24 13:01 ` [PATCH v4 5/9] raw/cnxk_rvu_lf: set message ID range Akhil Goyal
2024-10-24 13:01 ` [PATCH v4 6/9] raw/cnxk_rvu_lf: process mailbox message Akhil Goyal
2024-10-24 13:01 ` [PATCH v4 7/9] raw/cnxk_rvu_lf: add API to get device pffunc Akhil Goyal
2024-10-24 13:01 ` [PATCH v4 8/9] raw/cnxk_rvu_lf: add API to get BAR addresses Akhil Goyal
2024-10-24 13:01 ` [PATCH v4 9/9] raw/cnxk_rvu_lf: add selftest Akhil Goyal
2024-10-24 13:17 ` [PATCH v5 0/9] drivers/raw: introduce cnxk rvu lf device driver Akhil Goyal
2024-10-24 13:17 ` [PATCH v5 1/9] " Akhil Goyal
2024-10-24 15:59 ` Jerin Jacob
2024-10-24 13:17 ` [PATCH v5 2/9] raw/cnxk_rvu_lf: add API to get NPA/SSO pffunc Akhil Goyal
2024-10-25 6:52 ` Jerin Jacob
2024-10-25 15:38 ` Stephen Hemminger
2024-10-25 19:48 ` [EXTERNAL] " Akhil Goyal
2024-10-24 13:17 ` [PATCH v5 3/9] raw/cnxk_rvu_lf: register/unregister interrupt handler Akhil Goyal
2024-10-24 13:17 ` [PATCH v5 4/9] raw/cnxk_rvu_lf: register/unregister msg handler Akhil Goyal
2024-10-24 13:17 ` [PATCH v5 5/9] raw/cnxk_rvu_lf: set message ID range Akhil Goyal
2024-10-24 13:17 ` [PATCH v5 6/9] raw/cnxk_rvu_lf: process mailbox message Akhil Goyal
2024-10-24 13:17 ` [PATCH v5 7/9] raw/cnxk_rvu_lf: add API to get device pffunc Akhil Goyal
2024-10-24 13:17 ` [PATCH v5 8/9] raw/cnxk_rvu_lf: add API to get BAR addresses Akhil Goyal
2024-10-24 13:17 ` [PATCH v5 9/9] raw/cnxk_rvu_lf: add selftest Akhil Goyal
2024-10-24 16:26 ` Stephen Hemminger
2024-10-28 11:01 ` [PATCH v6 0/9] drivers/raw: introduce cnxk rvu lf device driver Akhil Goyal
2024-10-28 11:01 ` [PATCH v6 1/9] drivers/raw: introduce cnxk RVU LF " Akhil Goyal
2024-10-28 11:01 ` [PATCH v6 2/9] raw/cnxk_rvu_lf: support NPA/SSO pffunc get Akhil Goyal
2024-10-28 11:01 ` [PATCH v6 3/9] raw/cnxk_rvu_lf: support interrupt callback registration Akhil Goyal
2024-10-28 11:01 ` [PATCH v6 4/9] raw/cnxk_rvu_lf: support msg handler registration Akhil Goyal
2024-10-28 11:01 ` [PATCH v6 5/9] raw/cnxk_rvu_lf: support to set message ID range Akhil Goyal
2024-10-28 11:01 ` [PATCH v6 6/9] raw/cnxk_rvu_lf: support mailbox processing Akhil Goyal
2024-10-28 11:01 ` [PATCH v6 7/9] raw/cnxk_rvu_lf: support device pffunc get Akhil Goyal
2024-10-28 11:01 ` Akhil Goyal [this message]
2024-10-28 11:01 ` [PATCH v6 9/9] raw/cnxk_rvu_lf: add selftest Akhil Goyal
2024-09-07 19:33 ` [PATCH 3/9] raw/cnxk_rvu_lf: add PMD API to get npa/sso pffunc Akhil Goyal
2024-09-07 19:33 ` [PATCH 4/9] raw/cnxk_rvu_lf: add PMD API to get BAR addresses Akhil Goyal
2024-09-07 19:33 ` [PATCH 5/9] raw/cnxk_rvu_lf: register/unregister interrupt handler Akhil Goyal
2024-09-07 19:33 ` [PATCH 6/9] raw/cnxk_rvu_lf: register/unregister msg handler Akhil Goyal
2024-09-07 19:33 ` [PATCH 7/9] raw/cnxk_rvu_lf: set message ID range Akhil Goyal
2024-09-07 19:33 ` [PATCH 8/9] raw/cnxk_rvu_lf: process mailbox message Akhil Goyal
2024-09-07 19:33 ` [PATCH 9/9] raw/cnxk_rvu_lf: add selftest Akhil Goyal
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