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From: Tomasz Duszynski <tduszynski@marvell.com>
To: Nithin Dabilpuram <ndabilpuram@marvell.com>, Kiran Kumar K
<kirankumark@marvell.com>, Sunil Kumar Kori <skori@marvell.com>, Satha Rao
<skoteshwar@marvell.com>, Ray Kinsella <mdr@ashroe.eu>, Neil Horman
<nhorman@tuxdriver.com>
CC: <thomas@monjalon.net>, <dev@dpdk.org>, Tomasz Duszynski
<tduszynski@marvell.com>, Jakub Palider <jpalider@marvell.com>, Jerin Jacob
<jerinj@marvell.com>
Date: Mon, 21 Jun 2021 17:04:36 +0200
Message-ID: <20210621150449.19070-20-tduszynski@marvell.com>
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Subject: [dpdk-dev] [PATCH v3 19/32] common/cnxk: support for removing irq
stack
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Add support for removing existing irq stack.
Signed-off-by: Jakub Palider <jpalider@marvell.com>
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
Reviewed-by: Jerin Jacob <jerinj@marvell.com>
---
drivers/common/cnxk/roc_bphy_irq.c | 30 ++++++++++++++++++++++++++++++
drivers/common/cnxk/roc_bphy_irq.h | 1 +
drivers/common/cnxk/version.map | 1 +
3 files changed, 32 insertions(+)
diff --git a/drivers/common/cnxk/roc_bphy_irq.c b/drivers/common/cnxk/roc_bphy_irq.c
index 04ad129ac..a90c055ff 100644
--- a/drivers/common/cnxk/roc_bphy_irq.c
+++ b/drivers/common/cnxk/roc_bphy_irq.c
@@ -110,6 +110,36 @@ roc_bphy_intr_fini(struct roc_bphy_irq_chip *irq_chip)
plt_free(irq_chip);
}
+void
+roc_bphy_irq_stack_remove(int cpu)
+{
+ struct roc_bphy_irq_stack *curr_stack;
+
+ if (pthread_mutex_lock(&stacks_mutex))
+ return;
+
+ STAILQ_FOREACH(curr_stack, &irq_stacks, entries) {
+ if (curr_stack->cpu == cpu)
+ break;
+ }
+
+ if (curr_stack == NULL)
+ goto leave;
+
+ if (curr_stack->inuse > 0)
+ curr_stack->inuse--;
+
+ if (curr_stack->inuse == 0) {
+ STAILQ_REMOVE(&irq_stacks, curr_stack, roc_bphy_irq_stack,
+ entries);
+ plt_free(curr_stack->sp_buffer);
+ plt_free(curr_stack);
+ }
+
+leave:
+ pthread_mutex_unlock(&stacks_mutex);
+}
+
void *
roc_bphy_irq_stack_get(int cpu)
{
diff --git a/drivers/common/cnxk/roc_bphy_irq.h b/drivers/common/cnxk/roc_bphy_irq.h
index e66b2aa7c..549a84a7d 100644
--- a/drivers/common/cnxk/roc_bphy_irq.h
+++ b/drivers/common/cnxk/roc_bphy_irq.h
@@ -23,6 +23,7 @@ struct roc_bphy_irq_chip {
__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);
__roc_api void *roc_bphy_irq_stack_get(int cpu);
__roc_api bool roc_bphy_intr_available(struct roc_bphy_irq_chip *irq_chip,
int irq_num);
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 542364926..78601fe31 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -26,6 +26,7 @@ INTERNAL {
roc_bphy_intr_fini;
roc_bphy_intr_init;
roc_bphy_irq_stack_get;
+ roc_bphy_irq_stack_remove;
roc_clk_freq_get;
roc_error_msg_get;
roc_idev_lmt_base_addr_get;
--
2.25.1