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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: <dev@dpdk.org>, Tomasz Duszynski <tduszynski@marvell.com>,
	Jakub Palider <jpalider@marvell.com>
Subject: [dpdk-dev] [PATCH v2 18/32] common/cnxk: support for retrieving irq stack
Date: Tue, 15 Jun 2021 13:03:31 +0200
Message-ID: <20210615110345.11057-19-tduszynski@marvell.com> (raw)
In-Reply-To: <20210615110345.11057-1-tduszynski@marvell.com>

Add support for retrieving irq stack. If stack does not exist
then it gets created.

Signed-off-by: Jakub Palider <jpalider@marvell.com>
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
---
 drivers/common/cnxk/roc_bphy_irq.c | 62 ++++++++++++++++++++++++++++++
 drivers/common/cnxk/roc_bphy_irq.h |  1 +
 drivers/common/cnxk/version.map    |  1 +
 3 files changed, 64 insertions(+)

diff --git a/drivers/common/cnxk/roc_bphy_irq.c b/drivers/common/cnxk/roc_bphy_irq.c
index bea2b7f73..04ad129ac 100644
--- a/drivers/common/cnxk/roc_bphy_irq.c
+++ b/drivers/common/cnxk/roc_bphy_irq.c
@@ -2,12 +2,21 @@
  * Copyright(C) 2021 Marvell.
  */
 #include <fcntl.h>
+#include <pthread.h>
 #include <sys/ioctl.h>
+#include <sys/queue.h>
 #include <unistd.h>
 
 #include "roc_api.h"
 #include "roc_bphy_irq.h"
 
+struct roc_bphy_irq_stack {
+	STAILQ_ENTRY(roc_bphy_irq_stack) entries;
+	void *sp_buffer;
+	int cpu;
+	int inuse;
+};
+
 #define ROC_BPHY_MEMZONE_NAME "roc_bphy_mz"
 #define ROC_BPHY_CTR_DEV_PATH "/dev/otx-bphy-ctr"
 
@@ -15,6 +24,12 @@
 #define ROC_BPHY_IOC_GET_BPHY_MAX_IRQ	_IOR(ROC_BPHY_IOC_MAGIC, 3, uint64_t)
 #define ROC_BPHY_IOC_GET_BPHY_BMASK_IRQ _IOR(ROC_BPHY_IOC_MAGIC, 4, uint64_t)
 
+static STAILQ_HEAD(slisthead, roc_bphy_irq_stack)
+	irq_stacks = STAILQ_HEAD_INITIALIZER(irq_stacks);
+
+/* Note: it is assumed that as for now there is no multiprocess support */
+static pthread_mutex_t stacks_mutex = PTHREAD_MUTEX_INITIALIZER;
+
 struct roc_bphy_irq_chip *
 roc_bphy_intr_init(void)
 {
@@ -95,6 +110,53 @@ roc_bphy_intr_fini(struct roc_bphy_irq_chip *irq_chip)
 	plt_free(irq_chip);
 }
 
+void *
+roc_bphy_irq_stack_get(int cpu)
+{
+#define ARM_STACK_ALIGNMENT (2 * sizeof(void *))
+#define IRQ_ISR_STACK_SIZE  0x200000
+
+	struct roc_bphy_irq_stack *curr_stack;
+	void *retval = NULL;
+
+	if (pthread_mutex_lock(&stacks_mutex))
+		return NULL;
+
+	STAILQ_FOREACH(curr_stack, &irq_stacks, entries) {
+		if (curr_stack->cpu == cpu) {
+			curr_stack->inuse++;
+			retval = ((char *)curr_stack->sp_buffer) +
+				 IRQ_ISR_STACK_SIZE;
+			goto found_stack;
+		}
+	}
+
+	curr_stack = plt_zmalloc(sizeof(struct roc_bphy_irq_stack), 0);
+	if (curr_stack == NULL)
+		goto err_stack;
+
+	curr_stack->sp_buffer =
+		plt_zmalloc(IRQ_ISR_STACK_SIZE * 2, ARM_STACK_ALIGNMENT);
+	if (curr_stack->sp_buffer == NULL)
+		goto err_buffer;
+
+	curr_stack->cpu = cpu;
+	curr_stack->inuse = 0;
+	STAILQ_INSERT_TAIL(&irq_stacks, curr_stack, entries);
+	retval = ((char *)curr_stack->sp_buffer) + IRQ_ISR_STACK_SIZE;
+
+found_stack:
+	pthread_mutex_unlock(&stacks_mutex);
+	return retval;
+
+err_buffer:
+	plt_free(curr_stack);
+
+err_stack:
+	pthread_mutex_unlock(&stacks_mutex);
+	return NULL;
+}
+
 bool
 roc_bphy_intr_available(struct roc_bphy_irq_chip *irq_chip, int irq_num)
 {
diff --git a/drivers/common/cnxk/roc_bphy_irq.h b/drivers/common/cnxk/roc_bphy_irq.h
index f481f4456..e66b2aa7c 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_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 427321c41..542364926 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -25,6 +25,7 @@ INTERNAL {
 	roc_bphy_intr_available;
 	roc_bphy_intr_fini;
 	roc_bphy_intr_init;
+	roc_bphy_irq_stack_get;
 	roc_clk_freq_get;
 	roc_error_msg_get;
 	roc_idev_lmt_base_addr_get;
-- 
2.25.1


  parent reply	other threads:[~2021-06-15 11:06 UTC|newest]

Thread overview: 104+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-31 21:41 [dpdk-dev] [PATCH 00/28] add support for baseband phy Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 01/28] common/cnxk: add bphy cgx/rpm initialization and cleanup Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 02/28] common/cnxk: add support for communication with atf Tomasz Duszynski
2021-06-10  5:06   ` Jerin Jacob
2021-05-31 21:41 ` [dpdk-dev] [PATCH 03/28] common/cnxk: add support for getting link information Tomasz Duszynski
2021-06-10  5:09   ` Jerin Jacob
2021-05-31 21:41 ` [dpdk-dev] [PATCH 04/28] common/cnxk: add support for changing internal loopback Tomasz Duszynski
2021-06-10  6:19   ` Jerin Jacob
2021-05-31 21:41 ` [dpdk-dev] [PATCH 05/28] common/cnxk: add support for changing ptp mode Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 06/28] common/cnxk: add support for setting link mode Tomasz Duszynski
2021-06-10  6:21   ` Jerin Jacob
2021-05-31 21:41 ` [dpdk-dev] [PATCH 07/28] common/cnxk: add support for changing link state Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 08/28] common/cnxk: add support for lmac start/stop Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 09/28] raw/cnxk_bphy: add bphy cgx/rpm skeleton driver Tomasz Duszynski
2021-06-01  7:30   ` Thomas Monjalon
2021-06-10  6:40   ` Jerin Jacob
2021-05-31 21:41 ` [dpdk-dev] [PATCH 10/28] raw/cnxk_bphy: add support for reading queue configuration Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 11/28] raw/cnxk_bphy: add support for reading queue count Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 12/28] raw/cnxk_bphy: add support for enqueue operation Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 13/28] raw/cnxk_bphy: add support for dequeue operation Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 14/28] raw/cnxk_bphy: add support for performing selftest Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 15/28] common/cnxk: add support for device init and fini Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 16/28] common/cnxk: add support for baseband phy irq setup Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 17/28] common/cnxk: add support for checking irq availability Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 18/28] common/cnxk: add support for retrieving irq stack Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 19/28] common/cnxk: add support for removing " Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 20/28] common/cnxk: add support for setting bphy irq handler Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 21/28] common/cnxk: add support for clearing " Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 22/28] common/cnxk: add support for registering bphy irq Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 23/28] raw/cnxk_bphy: add baseband phy skeleton driver Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 24/28] raw/cnxk_bphy: add support for interrupt init and cleanup Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 25/28] raw/cnxk_bphy: add support for reading number of irqs Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 26/28] raw/cnxk_bphy: add support for retrieving device memory Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 27/28] raw/cnxk_bphy: add support for registering irq handlers Tomasz Duszynski
2021-05-31 21:41 ` [dpdk-dev] [PATCH 28/28] raw/cnxk_bphy: add support for selftest Tomasz Duszynski
2021-06-10  6:54 ` [dpdk-dev] [PATCH 00/28] add support for baseband phy Jerin Jacob
2021-06-15 11:03 ` [dpdk-dev] [PATCH v2 00/32] " Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 01/32] common/cnxk: add bphy cgx/rpm initialization and cleanup Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 02/32] common/cnxk: support for communication with atf Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 03/32] common/cnxk: support for getting link information Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 04/32] common/cnxk: support for changing internal loopback Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 05/32] common/cnxk: support for changing ptp mode Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 06/32] common/cnxk: support for setting link mode Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 07/32] common/cnxk: support for changing link state Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 08/32] common/cnxk: support for lmac start/stop Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 09/32] raw/cnxk_bphy: add bphy cgx/rpm skeleton driver Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 10/32] raw/cnxk_bphy: support for reading queue configuration Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 11/32] raw/cnxk_bphy: support for reading queue count Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 12/32] raw/cnxk_bphy: support for enqueue operation Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 13/32] raw/cnxk_bphy: support for dequeue operation Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 14/32] raw/cnxk_bphy: support for performing selftest Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 15/32] common/cnxk: support for device init and fini Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 16/32] common/cnxk: support for baseband PHY irq setup Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 17/32] common/cnxk: support for checking irq availability Tomasz Duszynski
2021-06-15 11:03   ` Tomasz Duszynski [this message]
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 19/32] common/cnxk: support for removing irq stack Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 20/32] common/cnxk: support for setting bphy irq handler Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 21/32] common/cnxk: support for clearing " Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 22/32] common/cnxk: support for registering bphy irq Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 23/32] raw/cnxk_bphy: add baseband PHY skeleton driver Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 24/32] raw/cnxk_bphy: support for reading bphy queue configuration Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 25/32] raw/cnxk_bphy: support for reading bphy queue count Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 26/32] raw/cnxk_bphy: support for bphy enqueue operation Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 27/32] raw/cnxk_bphy: support for bphy dequeue operation Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 28/32] raw/cnxk_bphy: support for interrupt init and cleanup Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 29/32] raw/cnxk_bphy: support for reading number of bphy irqs Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 30/32] raw/cnxk_bphy: support for retrieving bphy device memory Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 31/32] raw/cnxk_bphy: support for registering bphy irq handlers Tomasz Duszynski
2021-06-15 11:03   ` [dpdk-dev] [PATCH v2 32/32] raw/cnxk_bphy: support for bphy selftest Tomasz Duszynski
2021-06-21  8:43   ` [dpdk-dev] [PATCH v2 00/32] add support for baseband phy Jerin Jacob
2021-06-21 15:04 ` [dpdk-dev] [PATCH v3 " Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 01/32] common/cnxk: add bphy cgx/rpm initialization and cleanup Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 02/32] common/cnxk: support for communication with atf Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 03/32] common/cnxk: support for getting link information Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 04/32] common/cnxk: support for changing internal loopback Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 05/32] common/cnxk: support for changing ptp mode Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 06/32] common/cnxk: support for setting link mode Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 07/32] common/cnxk: support for changing link state Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 08/32] common/cnxk: support for lmac start/stop Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 09/32] raw/cnxk_bphy: add bphy cgx/rpm skeleton driver Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 10/32] raw/cnxk_bphy: support for reading queue configuration Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 11/32] raw/cnxk_bphy: support for reading queue count Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 12/32] raw/cnxk_bphy: support for enqueue operation Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 13/32] raw/cnxk_bphy: support for dequeue operation Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 14/32] raw/cnxk_bphy: support for performing selftest Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 15/32] common/cnxk: support for device init and fini Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 16/32] common/cnxk: support for baseband PHY irq setup Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 17/32] common/cnxk: support for checking irq availability Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 18/32] common/cnxk: support for retrieving irq stack Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 19/32] common/cnxk: support for removing " Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 20/32] common/cnxk: support for setting bphy irq handler Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 21/32] common/cnxk: support for clearing " Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 22/32] common/cnxk: support for registering bphy irq Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 23/32] raw/cnxk_bphy: add baseband PHY skeleton driver Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 24/32] raw/cnxk_bphy: support for reading bphy queue configuration Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 25/32] raw/cnxk_bphy: support for reading bphy queue count Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 26/32] raw/cnxk_bphy: support for bphy enqueue operation Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 27/32] raw/cnxk_bphy: support for bphy dequeue operation Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 28/32] raw/cnxk_bphy: support for interrupt init and cleanup Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 29/32] raw/cnxk_bphy: support for reading number of bphy irqs Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 30/32] raw/cnxk_bphy: support for retrieving bphy device memory Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 31/32] raw/cnxk_bphy: support for registering bphy irq handlers Tomasz Duszynski
2021-06-21 15:04   ` [dpdk-dev] [PATCH v3 32/32] raw/cnxk_bphy: support for bphy selftest Tomasz Duszynski
2021-07-05 21:12   ` [dpdk-dev] [PATCH v3 00/32] add support for baseband phy Thomas Monjalon

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