From: Alfredo Cardigliano <cardigliano@ntop.org>
To: Alfredo Cardigliano <cardigliano@ntop.org>
Cc: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v5 07/17] net/ionic: add doorbells
Date: Sun, 19 Jan 2020 16:53:45 +0100 [thread overview]
Message-ID: <20200119155356.20403-8-cardigliano@ntop.org> (raw)
In-Reply-To: <20200119155356.20403-1-cardigliano@ntop.org>
Doorbell registers are used by the driver to signal to the NIC
that requests are waiting on the message queues.
Signed-off-by: Alfredo Cardigliano <cardigliano@ntop.org>
Reviewed-by: Shannon Nelson <snelson@pensando.io>
---
drivers/net/ionic/ionic_dev.c | 15 +++++++++++++++
drivers/net/ionic/ionic_dev.h | 18 ++++++++++++++++++
drivers/net/ionic/ionic_lif.c | 23 +++++++++++++++++++++++
drivers/net/ionic/ionic_lif.h | 2 ++
4 files changed, 58 insertions(+)
diff --git a/drivers/net/ionic/ionic_dev.c b/drivers/net/ionic/ionic_dev.c
index c63709ee8..13e99ace6 100644
--- a/drivers/net/ionic/ionic_dev.c
+++ b/drivers/net/ionic/ionic_dev.c
@@ -5,6 +5,7 @@
#include <rte_malloc.h>
#include "ionic_dev.h"
+#include "ionic_lif.h"
#include "ionic.h"
int
@@ -297,3 +298,17 @@ ionic_dev_cmd_lif_reset(struct ionic_dev *idev, uint16_t lif_index)
ionic_dev_cmd_go(idev, &cmd);
}
+
+int
+ionic_db_page_num(struct ionic_lif *lif, int pid)
+{
+ return (lif->index * 0) + pid;
+}
+
+void
+ionic_intr_init(struct ionic_dev *idev, struct ionic_intr_info *intr,
+ unsigned long index)
+{
+ ionic_intr_clean(idev->intr_ctrl, index);
+ intr->index = index;
+}
diff --git a/drivers/net/ionic/ionic_dev.h b/drivers/net/ionic/ionic_dev.h
index afcfcbf56..d6f0669c3 100644
--- a/drivers/net/ionic/ionic_dev.h
+++ b/drivers/net/ionic/ionic_dev.h
@@ -121,6 +121,22 @@ struct ionic_dev {
uint32_t port_info_sz;
};
+#define IONIC_INTR_INDEX_NOT_ASSIGNED (-1)
+#define IONIC_INTR_NAME_MAX_SZ (32)
+
+struct ionic_intr_info {
+ char name[IONIC_INTR_NAME_MAX_SZ];
+ int index;
+ uint32_t vector;
+ struct ionic_intr __iomem *ctrl;
+};
+
+struct ionic_lif;
+struct ionic_adapter;
+
+void ionic_intr_init(struct ionic_dev *idev, struct ionic_intr_info *intr,
+ unsigned long index);
+
int ionic_dev_setup(struct ionic_adapter *adapter);
void ionic_dev_cmd_go(struct ionic_dev *idev, union ionic_dev_cmd *cmd);
@@ -150,4 +166,6 @@ void ionic_dev_cmd_lif_init(struct ionic_dev *idev, uint16_t lif_index,
rte_iova_t addr);
void ionic_dev_cmd_lif_reset(struct ionic_dev *idev, uint16_t lif_index);
+int ionic_db_page_num(struct ionic_lif *lif, int pid);
+
#endif /* _IONIC_DEV_H_ */
diff --git a/drivers/net/ionic/ionic_lif.c b/drivers/net/ionic/ionic_lif.c
index 2559b4c16..9cdab3250 100644
--- a/drivers/net/ionic/ionic_lif.c
+++ b/drivers/net/ionic/ionic_lif.c
@@ -10,15 +10,38 @@
#include "ionic_lif.h"
#include "ionic_ethdev.h"
+static void *
+ionic_bus_map_dbpage(struct ionic_adapter *adapter, int page_num)
+{
+ char *vaddr = adapter->bars[IONIC_PCI_BAR_DBELL].vaddr;
+
+ if (adapter->num_bars <= IONIC_PCI_BAR_DBELL)
+ return NULL;
+
+ return (void *)&vaddr[page_num << PAGE_SHIFT];
+}
+
int
ionic_lif_alloc(struct ionic_lif *lif)
{
+ struct ionic_adapter *adapter = lif->adapter;
uint32_t socket_id = rte_socket_id();
+ int dbpage_num;
snprintf(lif->name, sizeof(lif->name), "lif%u", lif->index);
IONIC_PRINT(DEBUG, "Allocating Lif Info");
+ lif->kern_pid = 0;
+
+ dbpage_num = ionic_db_page_num(lif, 0);
+
+ lif->kern_dbpage = ionic_bus_map_dbpage(adapter, dbpage_num);
+ if (!lif->kern_dbpage) {
+ IONIC_PRINT(ERR, "Cannot map dbpage, aborting");
+ return -ENOMEM;
+ }
+
lif->info_sz = RTE_ALIGN(sizeof(*lif->info), PAGE_SIZE);
lif->info_z = rte_eth_dma_zone_reserve(lif->eth_dev,
diff --git a/drivers/net/ionic/ionic_lif.h b/drivers/net/ionic/ionic_lif.h
index a75e420c6..6e3233d1d 100644
--- a/drivers/net/ionic/ionic_lif.h
+++ b/drivers/net/ionic/ionic_lif.h
@@ -24,6 +24,8 @@ struct ionic_lif {
uint32_t index;
uint32_t hw_index;
uint32_t state;
+ uint32_t kern_pid;
+ struct ionic_doorbell __iomem *kern_dbpage;
char name[IONIC_LIF_NAME_MAX_SZ];
uint32_t info_sz;
struct ionic_lif_info *info;
--
2.17.1
next prev parent reply other threads:[~2020-01-19 15:55 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-19 15:53 [dpdk-dev] [PATCH v5 00/17] Introduces net/ionic PMD Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 01/17] net/ionic: add skeleton Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 02/17] net/ionic: add hardware structures definitions Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 03/17] net/ionic: add log Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 04/17] net/ionic: register and initialize the adapter Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 05/17] net/ionic: add port management commands Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 06/17] net/ionic: add basic lif support Alfredo Cardigliano
2020-01-19 15:53 ` Alfredo Cardigliano [this message]
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 08/17] net/ionic: add adminq support Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 09/17] net/ionic: add notifyq support Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 10/17] net/ionic: add basic port operations Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 11/17] net/ionic: add Rx filters support Alfredo Cardigliano
2020-01-20 16:57 ` Ferruh Yigit
2020-01-21 7:43 ` Raslan Darawsheh
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 12/17] net/ionic: add Flow Control support Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 13/17] net/ionic: add Rx and Tx handling Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 14/17] net/ionic: add RSS support Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 15/17] net/ionic: add stats Alfredo Cardigliano
2020-01-20 12:10 ` Ferruh Yigit
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 16/17] net/ionic: add Tx checksum support Alfredo Cardigliano
2020-01-19 15:53 ` [dpdk-dev] [PATCH v5 17/17] net/ionic: read Fw version Alfredo Cardigliano
2020-01-20 13:05 ` [dpdk-dev] [PATCH v5 00/17] Introduces net/ionic PMD Ferruh Yigit
2020-01-20 13:38 ` Thomas Monjalon
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