[3/9] raw/cnxk_rvu_lf: add PMD API to get npa/sso pffunc

Message ID 20240907193311.1342310-4-gakhil@marvell.com (mailing list archive)
State Changes Requested
Delegated to: Jerin Jacob
Headers
Series drivers/raw: introduce cnxk rvu lf device driver |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Akhil Goyal Sept. 7, 2024, 7:33 p.m. UTC
Added rte_pmd_rvu_lf_npa_pf_func_get and
rte_pmd_rvu_lf_sso_pf_func_get APIs to get NPA and
SSO pffunc for the application use.

Signed-off-by: Akhil Goyal <gakhil@marvell.com>
---
 doc/guides/rawdevs/cnxk_rvu_lf.rst       |  7 +++++++
 drivers/common/cnxk/roc_npa.c            |  6 ++++++
 drivers/common/cnxk/roc_npa.h            |  3 +++
 drivers/common/cnxk/roc_sso.c            |  6 ++++++
 drivers/common/cnxk/roc_sso.h            |  3 +++
 drivers/common/cnxk/version.map          |  2 ++
 drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c    | 12 ++++++++++++
 drivers/raw/cnxk_rvu_lf/meson.build      |  1 +
 drivers/raw/cnxk_rvu_lf/rte_pmd_rvu_lf.h | 18 ++++++++++++++++++
 9 files changed, 58 insertions(+)
  

Patch

diff --git a/doc/guides/rawdevs/cnxk_rvu_lf.rst b/doc/guides/rawdevs/cnxk_rvu_lf.rst
index 8a0bc22dd5..13184ad4dc 100644
--- a/doc/guides/rawdevs/cnxk_rvu_lf.rst
+++ b/doc/guides/rawdevs/cnxk_rvu_lf.rst
@@ -38,3 +38,10 @@  kernel driver. When querying the status of the devices, they will appear under
 the category of "Misc (rawdev) devices", i.e. the command
 ``dpdk-devbind.py --status-dev misc`` can be used to see the state of those
 devices alone.
+
+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.
diff --git a/drivers/common/cnxk/roc_npa.c b/drivers/common/cnxk/roc_npa.c
index 6c14c49901..6e6d50f1ce 100644
--- a/drivers/common/cnxk/roc_npa.c
+++ b/drivers/common/cnxk/roc_npa.c
@@ -17,6 +17,12 @@  roc_npa_lf_init_cb_register(roc_npa_lf_init_cb_t cb)
 	return 0;
 }
 
+uint16_t
+roc_npa_pf_func_get(void)
+{
+	return idev_npa_pffunc_get();
+}
+
 void
 roc_npa_pool_op_range_set(uint64_t aura_handle, uint64_t start_iova,
 			  uint64_t end_iova)
diff --git a/drivers/common/cnxk/roc_npa.h b/drivers/common/cnxk/roc_npa.h
index 4ad5f044b5..1ca7348534 100644
--- a/drivers/common/cnxk/roc_npa.h
+++ b/drivers/common/cnxk/roc_npa.h
@@ -812,6 +812,9 @@  int __roc_api roc_npa_aura_bp_configure(uint64_t aura_id, uint16_t bpid, uint8_t
 typedef int (*roc_npa_lf_init_cb_t)(struct plt_pci_device *pci_dev);
 int __roc_api roc_npa_lf_init_cb_register(roc_npa_lf_init_cb_t cb);
 
+/* Utility functions */
+uint16_t __roc_api roc_npa_pf_func_get(void);
+
 /* Debug */
 int __roc_api roc_npa_ctx_dump(void);
 int __roc_api roc_npa_dump(void);
diff --git a/drivers/common/cnxk/roc_sso.c b/drivers/common/cnxk/roc_sso.c
index 293b0c81a1..57ed2a4fed 100644
--- a/drivers/common/cnxk/roc_sso.c
+++ b/drivers/common/cnxk/roc_sso.c
@@ -319,6 +319,12 @@  roc_sso_hwgrp_base_get(struct roc_sso *roc_sso, uint16_t hwgrp)
 	return dev->bar2 + (RVU_BLOCK_ADDR_SSO << 20 | hwgrp << 12);
 }
 
+uint16_t
+roc_sso_pf_func_get(void)
+{
+	return idev_sso_pffunc_get();
+}
+
 uint64_t
 roc_sso_ns_to_gw(uint64_t base, uint64_t ns)
 {
diff --git a/drivers/common/cnxk/roc_sso.h b/drivers/common/cnxk/roc_sso.h
index 4ac901762e..3e293a0a69 100644
--- a/drivers/common/cnxk/roc_sso.h
+++ b/drivers/common/cnxk/roc_sso.h
@@ -103,6 +103,9 @@  int __roc_api roc_sso_hwgrp_stash_config(struct roc_sso *roc_sso,
 void __roc_api roc_sso_hws_gwc_invalidate(struct roc_sso *roc_sso, uint8_t *hws,
 					  uint8_t nb_hws);
 
+/* Utility function */
+uint16_t __roc_api roc_sso_pf_func_get(void);
+
 /* Debug */
 void __roc_api roc_sso_dump(struct roc_sso *roc_sso, uint8_t nb_hws,
 			    uint16_t hwgrp, FILE *f);
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index a2baa12f1a..1f593febc3 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -449,6 +449,7 @@  INTERNAL {
 	roc_npa_dev_unlock;
 	roc_npa_dump;
 	roc_npa_lf_init_cb_register;
+	roc_npa_pf_func_get;
 	roc_npa_pool_create;
 	roc_npa_pool_destroy;
 	roc_npa_pool_op_pc_reset;
@@ -516,6 +517,7 @@  INTERNAL {
 	roc_sso_hws_gwc_invalidate;
 	roc_sso_hws_unlink;
 	roc_sso_ns_to_gw;
+	roc_sso_pf_func_get;
 	roc_sso_rsrc_fini;
 	roc_sso_rsrc_init;
 	roc_tim_fini;
diff --git a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
index 50862ca097..2fbde52966 100644
--- a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
+++ b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
@@ -15,6 +15,18 @@ 
 
 #include "rte_pmd_rvu_lf.h"
 
+uint16_t
+rte_pmd_rvu_lf_npa_pf_func_get(void)
+{
+	return roc_npa_pf_func_get();
+}
+
+uint16_t
+rte_pmd_rvu_lf_sso_pf_func_get(void)
+{
+	return roc_sso_pf_func_get();
+}
+
 static const struct rte_rawdev_ops rvu_lf_rawdev_ops = {
 	.dev_selftest = NULL,
 };
diff --git a/drivers/raw/cnxk_rvu_lf/meson.build b/drivers/raw/cnxk_rvu_lf/meson.build
index 32081e147f..d4c934709a 100644
--- a/drivers/raw/cnxk_rvu_lf/meson.build
+++ b/drivers/raw/cnxk_rvu_lf/meson.build
@@ -6,4 +6,5 @@  deps += ['bus_pci', 'common_cnxk', 'rawdev']
 sources = files(
         'cnxk_rvu_lf.c',
 )
+headers = files('rte_pmd_rvu_lf.h')
 require_iova_in_mbuf = false
diff --git a/drivers/raw/cnxk_rvu_lf/rte_pmd_rvu_lf.h b/drivers/raw/cnxk_rvu_lf/rte_pmd_rvu_lf.h
index 2d3cd032b7..c11df14553 100644
--- a/drivers/raw/cnxk_rvu_lf/rte_pmd_rvu_lf.h
+++ b/drivers/raw/cnxk_rvu_lf/rte_pmd_rvu_lf.h
@@ -32,6 +32,24 @@  extern int cnxk_logtype_rvu_lf;
 	rte_log(RTE_LOG_ ## level, cnxk_logtype_rvu_lf, \
 		"%s(): " fmt "\n", __func__, ## args)
 
+/**
+ * Obtain NPA PF func
+ *
+ * @return
+ *   Returns NPA pf_func on success, 0 in case of invalid pf_func.
+ */
+__rte_experimental
+uint16_t rte_pmd_rvu_lf_npa_pf_func_get(void);
+
+/**
+ * Obtain SSO PF func
+ *
+ * @return
+ *   Returns SSO pf_func on success, 0 in case of invalid pf_func.
+ */
+__rte_experimental
+uint16_t rte_pmd_rvu_lf_sso_pf_func_get(void);
+
 #ifdef __cplusplus
 }
 #endif