[PATCH 1/4] common/cnxk: add CPT HW error callback register functions

[Srujana Challa]

Adds functions to register callback API to report CPT_MISC_INT
to the driver.

Signed-off-by: Srujana Challa <scha...@marvell.com>
---
 drivers/common/cnxk/roc_cpt.c   | 31 +++++++++++++++++++++++++++++++
 drivers/common/cnxk/roc_cpt.h   |  8 +++++++-
 drivers/common/cnxk/version.map |  2 ++
 3 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/drivers/common/cnxk/roc_cpt.c b/drivers/common/cnxk/roc_cpt.c
index fb97ec89b2..bf0d1cff9c 100644
--- a/drivers/common/cnxk/roc_cpt.c
+++ b/drivers/common/cnxk/roc_cpt.c
@@ -25,6 +25,11 @@
 #define CPT_LF_DEFAULT_NB_DESC 1024
 #define CPT_LF_FC_MIN_THRESHOLD 32
 
+static struct cpt_int_cb {
+       roc_cpt_int_misc_cb_t cb;
+       void *cb_args;
+} int_cb;
+
 static void
 cpt_lf_misc_intr_enb_dis(struct roc_cpt_lf *lf, bool enb)
 {
@@ -57,6 +62,9 @@ cpt_lf_misc_irq(void *param)
 
        /* Clear interrupt */
        plt_write64(intr, lf->rbase + CPT_LF_MISC_INT);
+
+       if (int_cb.cb != NULL)
+               int_cb.cb(lf, int_cb.cb_args);
 }
 
 static int
@@ -1079,3 +1087,26 @@ roc_cpt_ctx_write(struct roc_cpt_lf *lf, void *sa_dptr, 
void *sa_cptr,
 
        return 0;
 }
+
+void
+roc_cpt_int_misc_cb_register(roc_cpt_int_misc_cb_t cb, void *args)
+{
+       if (int_cb.cb != NULL)
+               return;
+
+       int_cb.cb = cb;
+       int_cb.cb_args = args;
+}
+
+int
+roc_cpt_int_misc_cb_unregister(roc_cpt_int_misc_cb_t cb, void *args)
+{
+       if (int_cb.cb == NULL)
+               return 0;
+       if (int_cb.cb != cb || int_cb.cb_args != args)
+               return -EINVAL;
+
+       int_cb.cb = NULL;
+       int_cb.cb_args = NULL;
+       return 0;
+}
diff --git a/drivers/common/cnxk/roc_cpt.h b/drivers/common/cnxk/roc_cpt.h
index bc9cc19edd..ac8be1b475 100644
--- a/drivers/common/cnxk/roc_cpt.h
+++ b/drivers/common/cnxk/roc_cpt.h
@@ -131,7 +131,7 @@ struct roc_cpt {
        union cpt_eng_caps hw_caps[CPT_MAX_ENG_TYPES];
        uint8_t eng_grp[CPT_MAX_ENG_TYPES];
        uint8_t cpt_revision;
-
+       void *opaque;
 #define ROC_CPT_MEM_SZ (6 * 1024)
        uint8_t reserved[ROC_CPT_MEM_SZ] __plt_cache_aligned;
 } __plt_cache_aligned;
@@ -144,6 +144,9 @@ struct roc_cpt_rxc_time_cfg {
        uint16_t zombie_thres;
 };
 
+/* CPT MISC interrupt callback */
+typedef void (*roc_cpt_int_misc_cb_t)(struct roc_cpt_lf *lf, void *args);
+
 int __roc_api roc_cpt_rxc_time_cfg(struct roc_cpt *roc_cpt,
                                   struct roc_cpt_rxc_time_cfg *cfg);
 int __roc_api roc_cpt_dev_init(struct roc_cpt *roc_cpt);
@@ -174,4 +177,7 @@ int __roc_api roc_cpt_lmtline_init(struct roc_cpt *roc_cpt,
 void __roc_api roc_cpt_parse_hdr_dump(const struct cpt_parse_hdr_s *cpth);
 int __roc_api roc_cpt_ctx_write(struct roc_cpt_lf *lf, void *sa_dptr,
                                void *sa_cptr, uint16_t sa_len);
+
+void __roc_api roc_cpt_int_misc_cb_register(roc_cpt_int_misc_cb_t cb, void 
*args);
+int __roc_api roc_cpt_int_misc_cb_unregister(roc_cpt_int_misc_cb_t cb, void 
*args);
 #endif /* _ROC_CPT_H_ */
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 17f0ec6b48..d6d96dd3eb 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -78,6 +78,8 @@ INTERNAL {
        roc_cpt_parse_hdr_dump;
        roc_cpt_rxc_time_cfg;
        roc_cpt_ctx_write;
+       roc_cpt_int_misc_cb_register;
+       roc_cpt_int_misc_cb_unregister;
        roc_dpi_configure;
        roc_dpi_dev_fini;
        roc_dpi_dev_init;
-- 
2.25.1