[dpdk-dev] [PATCH v3 16/52] common/cnxk: add npa lf init/fini callback support

[Nithin Dabilpuram]

From: Ashwin Sekhar T K <asek...@marvell.com>

Add support for npa lf init/fini callbacks.

Signed-off-by: Ashwin Sekhar T K <asek...@marvell.com>
---
 drivers/common/cnxk/roc_npa.c   | 27 +++++++++++++++++++++++++++
 drivers/common/cnxk/roc_npa.h   |  8 ++++++++
 drivers/common/cnxk/version.map |  2 ++
 3 files changed, 37 insertions(+)

diff --git a/drivers/common/cnxk/roc_npa.c b/drivers/common/cnxk/roc_npa.c
index f1e03b7..9528c85 100644
--- a/drivers/common/cnxk/roc_npa.c
+++ b/drivers/common/cnxk/roc_npa.c
@@ -5,6 +5,21 @@
 #include "roc_api.h"
 #include "roc_priv.h"
 
+static roc_npa_lf_init_cb_t npa_lf_init_cb;
+static roc_npa_lf_fini_cb_t npa_lf_fini_cb;
+
+void
+roc_npa_lf_init_cb_register(roc_npa_lf_init_cb_t cb)
+{
+       npa_lf_init_cb = cb;
+}
+
+void
+roc_npa_lf_fini_cb_register(roc_npa_lf_fini_cb_t cb)
+{
+       npa_lf_fini_cb = cb;
+}
+
 void
 roc_npa_aura_op_range_set(uint64_t aura_handle, uint64_t start_iova,
                          uint64_t end_iova)
@@ -717,11 +732,20 @@ npa_lf_init(struct dev *dev, struct plt_pci_device 
*pci_dev)
        if (rc)
                goto npa_fini;
 
+       if (npa_lf_init_cb) {
+               rc = npa_lf_init_cb();
+               if (rc)
+                       goto npa_irq_unregister;
+       }
+
        plt_npa_dbg("npa=%p max_pools=%d pf_func=0x%x msix=0x%x", lf,
                    roc_idev_npa_maxpools_get(), lf->pf_func, npa_msixoff);
 
        return 0;
 
+npa_irq_unregister:
+       npa_unregister_irqs(idev->npa);
+
 npa_fini:
        npa_dev_fini(idev->npa);
 npa_detach:
@@ -750,6 +774,9 @@ npa_lf_fini(void)
        rc |= npa_detach(idev->npa->mbox);
        idev_set_defaults(idev);
 
+       if (npa_lf_fini_cb)
+               npa_lf_fini_cb();
+
        return rc;
 }
 
diff --git a/drivers/common/cnxk/roc_npa.h b/drivers/common/cnxk/roc_npa.h
index 89f5c6f..c857789 100644
--- a/drivers/common/cnxk/roc_npa.h
+++ b/drivers/common/cnxk/roc_npa.h
@@ -16,6 +16,10 @@
  */
 #define ROC_CN9K_NPA_BULK_ALLOC_MAX_PTRS 30
 
+/* Callbacks that are called after NPA lf init/fini respectively */
+typedef int (*roc_npa_lf_init_cb_t)(void);
+typedef void (*roc_npa_lf_fini_cb_t)(void);
+
 /*
  * Generate 64bit handle to have optimized alloc and free aura operation.
  * 0 - ROC_AURA_ID_MASK for storing the aura_id.
@@ -650,4 +654,8 @@ int __roc_api roc_npa_dump(void);
 /* Reset operation performance counter. */
 int __roc_api roc_npa_pool_op_pc_reset(uint64_t aura_handle);
 
+/* Callback registration */
+void __roc_api roc_npa_lf_init_cb_register(roc_npa_lf_init_cb_t cb);
+void __roc_api roc_npa_lf_fini_cb_register(roc_npa_lf_fini_cb_t cb);
+
 #endif /* _ROC_NPA_H_ */
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 78e9686..c0f282d 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -17,6 +17,8 @@ INTERNAL {
        roc_npa_dev_fini;
        roc_npa_dev_init;
        roc_npa_dump;
+       roc_npa_lf_fini_cb_register;
+       roc_npa_lf_init_cb_register;
        roc_npa_pool_create;
        roc_npa_pool_destroy;
        roc_npa_pool_op_pc_reset;
-- 
2.8.4