[dpdk-dev] [PATCH v2 22/32] common/cnxk: support for registering bphy irq

[Tomasz Duszynski <tduszynski@marvell.com>]

Add support for registering user supplied baseband phy irq handler.

Signed-off-by: Jakib Palider <jpalider@marvell.com>
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
---
 drivers/common/cnxk/roc_bphy_irq.c | 38 ++++++++++++++++++++++++++++++
 drivers/common/cnxk/roc_bphy_irq.h | 11 +++++++++
 drivers/common/cnxk/version.map    |  1 +
 3 files changed, 50 insertions(+)

diff --git a/drivers/common/cnxk/roc_bphy_irq.c b/drivers/common/cnxk/roc_bphy_irq.c
index 4b87fc801..882066ef3 100644
--- a/drivers/common/cnxk/roc_bphy_irq.c
+++ b/drivers/common/cnxk/roc_bphy_irq.c
@@ -382,3 +382,41 @@ roc_bphy_handler_clear(struct roc_bphy_irq_chip *chip, int irq_num)
 
 	return retval;
 }
+
+int
+roc_bphy_intr_register(struct roc_bphy_irq_chip *irq_chip,
+		       struct roc_bphy_intr *intr)
+{
+	roc_cpuset_t orig_cpuset, intr_cpuset;
+	int retval;
+	int ret;
+
+	if (!roc_bphy_intr_available(irq_chip, intr->irq_num))
+		return -ENOTSUP;
+
+	retval = pthread_getaffinity_np(pthread_self(), sizeof(orig_cpuset),
+					&orig_cpuset);
+	if (retval < 0) {
+		plt_err("Failed to get affinity mask");
+		return retval;
+	}
+
+	CPU_ZERO(&intr_cpuset);
+	CPU_SET(intr->cpu, &intr_cpuset);
+	retval = pthread_setaffinity_np(pthread_self(), sizeof(intr_cpuset),
+					&intr_cpuset);
+	if (retval < 0) {
+		plt_err("Failed to set affinity mask");
+		return retval;
+	}
+
+	ret = roc_bphy_irq_handler_set(irq_chip, intr->irq_num,
+				       intr->intr_handler, intr->isr_data);
+
+	retval = pthread_setaffinity_np(pthread_self(), sizeof(orig_cpuset),
+					&orig_cpuset);
+	if (retval < 0)
+		plt_warn("Failed to restore affinity mask");
+
+	return ret;
+}
diff --git a/drivers/common/cnxk/roc_bphy_irq.h b/drivers/common/cnxk/roc_bphy_irq.h
index 778764f68..19ec5fdc4 100644
--- a/drivers/common/cnxk/roc_bphy_irq.h
+++ b/drivers/common/cnxk/roc_bphy_irq.h
@@ -21,6 +21,15 @@ struct roc_bphy_irq_chip {
 	char *mz_name;
 };
 
+struct roc_bphy_intr {
+	int irq_num;
+	void (*intr_handler)(int irq_num, void *isr_data);
+	void *isr_data;
+	int cpu;
+	/* stack for this interrupt, not supplied by a user */
+	uint8_t *sp;
+};
+
 __roc_api struct roc_bphy_irq_chip *roc_bphy_intr_init(void);
 __roc_api void roc_bphy_intr_fini(struct roc_bphy_irq_chip *irq_chip);
 __roc_api void roc_bphy_irq_stack_remove(int cpu);
@@ -34,5 +43,7 @@ __roc_api bool roc_bphy_intr_available(struct roc_bphy_irq_chip *irq_chip,
 				       int irq_num);
 __roc_api int roc_bphy_handler_clear(struct roc_bphy_irq_chip *chip,
 				     int irq_num);
+__roc_api int roc_bphy_intr_register(struct roc_bphy_irq_chip *irq_chip,
+				     struct roc_bphy_intr *intr);
 
 #endif /* _ROC_BPHY_IRQ_ */
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 941055ba0..e24766c05 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -27,6 +27,7 @@ INTERNAL {
 	roc_bphy_intr_fini;
 	roc_bphy_intr_handler;
 	roc_bphy_intr_init;
+	roc_bphy_intr_register;
 	roc_bphy_irq_handler_set;
 	roc_bphy_irq_stack_get;
 	roc_bphy_irq_stack_remove;
-- 
2.25.1