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From: Jan Viktorin <viktorin@rehivetech.com>
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Date: Mon, 4 Jan 2016 21:08:16 +0100
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Cc: Jan Viktorin <viktorin@rehivetech.com>
Subject: [dpdk-dev] [PATCH 04/14] eal/common: introduce function
to_pci_driver
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Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>
---
lib/librte_cryptodev/rte_cryptodev.c | 3 +--
lib/librte_eal/common/include/rte_pci.h | 12 ++++++++++++
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index f09f67e..682c1aa 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -424,8 +424,7 @@ rte_cryptodev_pmd_driver_register(struct rte_cryptodev_driver *cryptodrv,
{
/* Call crypto device initialization directly if device is virtual */
if (type == PMD_VDEV)
- return rte_cryptodev_init((struct rte_pci_driver *)cryptodrv,
- NULL);
+ return rte_cryptodev_init(to_pci_driver(cryptodrv), NULL);
/*
* Register PCI driver for physical device intialisation during
diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h
index 54d0fe2..1321654 100644
--- a/lib/librte_eal/common/include/rte_pci.h
+++ b/lib/librte_eal/common/include/rte_pci.h
@@ -82,6 +82,7 @@ extern "C" {
#include <stdint.h>
#include <inttypes.h>
+#include <rte_debug.h>
#include <rte_interrupts.h>
TAILQ_HEAD(pci_device_list, rte_pci_device); /**< PCI devices in D-linked Q. */
@@ -215,6 +216,17 @@ struct rte_pci_driver {
uint32_t drv_flags; /**< Flags contolling handling of device. */
};
+static inline struct rte_pci_driver *
+to_pci_driver(void *p)
+{
+ unsigned int *magic = (unsigned int *) p;
+ if (*magic == RTE_PCI_DRV_MAGIC)
+ return (struct rte_pci_driver *) p;
+
+ rte_panic("%s: bad cast (%p: %08x)\n", __func__, p, *magic);
+ return NULL;
+}
+
/** Device needs PCI BAR mapping (done with either IGB_UIO or VFIO) */
#define RTE_PCI_DRV_NEED_MAPPING 0x0001
/** Device driver must be registered several times until failure - deprecated */
--
2.6.3