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>, "Akhil Goyal" <gakhil@marvell.com>
Subject: [PATCH v2 3/9] raw/cnxk_rvu_lf: add PMD API to get BAR addresses
Date: Tue, 8 Oct 2024 16:24:09 +0530 [thread overview]
Message-ID: <20241008105415.1026962-4-gakhil@marvell.com> (raw)
In-Reply-To: <20241008105415.1026962-1-gakhil@marvell.com>
Added rte_pmd_rvu_lf_bar_get() API to get BAR address
for application to configure hardware.
Signed-off-by: Akhil Goyal <gakhil@marvell.com>
---
doc/guides/rawdevs/cnxk_rvu_lf.rst | 7 +++++++
drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c | 23 +++++++++++++++++++++++
drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.h | 18 ++++++++++++++++++
3 files changed, 48 insertions(+)
diff --git a/doc/guides/rawdevs/cnxk_rvu_lf.rst b/doc/guides/rawdevs/cnxk_rvu_lf.rst
index 13184ad4dc..6dfbd466ad 100644
--- a/doc/guides/rawdevs/cnxk_rvu_lf.rst
+++ b/doc/guides/rawdevs/cnxk_rvu_lf.rst
@@ -45,3 +45,10 @@ Get NPA and SSO PF FUNC
APIs ``rte_pmd_rvu_lf_npa_pf_func_get()`` and ``rte_pmd_rvu_lf_sso_pf_func_get()``
can be used to get the cnxk NPA PF func and SSO PF func which application
can use for NPA/SSO specific configuration.
+
+Get BAR addresses
+-----------------
+
+Application can retrieve PCI BAR addresses of the device using the API
+``rte_pmd_rvu_lf_bar_get()``. This helps application 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 7285059cdd..bbcf33017d 100644
--- a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
+++ b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
@@ -15,6 +15,29 @@
#include "cnxk_rvu_lf.h"
+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.h b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.h
index 25da50caa2..1f4dd135e1 100644
--- a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.h
+++ b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.h
@@ -46,6 +46,24 @@ uint16_t rte_pmd_rvu_lf_npa_pf_func_get(void);
__rte_experimental
uint16_t rte_pmd_rvu_lf_sso_pf_func_get(void);
+/**
+ * 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_experimental
+int rte_pmd_rvu_lf_bar_get(uint8_t dev_id, uint8_t bar_num, size_t *va, size_t *mask);
+
#ifdef __cplusplus
}
#endif
--
2.25.1
next prev parent reply other threads:[~2024-10-08 10:55 UTC|newest]
Thread overview: 42+ 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
2024-10-09 6:11 ` Hemant Agrawal
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 ` Akhil Goyal [this message]
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
2024-10-08 18:49 ` [PATCH v3 2/9] raw/cnxk_rvu_lf: add PMD API to get npa/sso pffunc Akhil Goyal
2024-10-08 18:49 ` [PATCH v3 3/9] raw/cnxk_rvu_lf: add PMD API to get BAR addresses Akhil Goyal
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
2024-10-08 18:49 ` [PATCH v3 9/9] raw/cnxk_rvu_lf: add PMD API to get device pffunc 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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