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From: Alejandro Lucero <alejandro.lucero@netronome.com>
To: dev@dpdk.org
Cc: stable@dpdk.org, anatoly.burakov@intel.com, maxime.coquelin@redhat.com
Subject: [dpdk-dev] [PATCH v2 2/6] ethdev: add function for checking IOVAs by a device
Date: Tue,  3 Jul 2018 13:09:45 +0100	[thread overview]
Message-ID: <1530619789-33337-3-git-send-email-alejandro.lucero@netronome.com> (raw)
In-Reply-To: <1530619789-33337-1-git-send-email-alejandro.lucero@netronome.com>

A PMD should invoke this function for checking memsegs iovas are within
the supported range by the device.

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
---
 lib/librte_ether/rte_ethdev.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index eba11ca..e51a432 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -2799,6 +2799,19 @@ int rte_eth_dev_set_vlan_ether_type(uint16_t port_id,
 int rte_eth_dev_set_vlan_pvid(uint16_t port_id, uint16_t pvid, int on);
 
 /**
+ * check device dma mask within expected range based on dma mask.
+ *
+ * @param maskbits
+ *  mask length in bits
+ *
+ */
+static inline int
+rte_eth_dev_check_dma_mask(uint8_t maskbits)
+{
+	return rte_eal_check_dma_mask(maskbits);
+}
+
+/**
  *
  * Retrieve a burst of input packets from a receive queue of an Ethernet
  * device. The retrieved packets are stored in *rte_mbuf* structures whose
-- 
1.9.1

  parent reply	other threads:[~2018-07-03 12:09 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-03 12:09 [dpdk-dev] [PATCH v2 0/6] use IOVAs check based on DMA mask Alejandro Lucero
2018-07-03 12:09 ` [dpdk-dev] [PATCH v2 1/6] mem: add function for checking memsegs IOVAs addresses Alejandro Lucero
2018-07-03 12:37   ` Burakov, Anatoly
2018-07-03 12:09 ` Alejandro Lucero [this message]
2018-07-03 12:09 ` [dpdk-dev] [PATCH v2 3/6] bus/pci: use IOVAs check when setting IOVA mode Alejandro Lucero
2018-07-03 12:09 ` [dpdk-dev] [PATCH v2 4/6] mem: use address hint for mapping hugepages Alejandro Lucero
2018-07-03 12:37   ` Burakov, Anatoly
2018-07-03 12:09 ` [dpdk-dev] [PATCH v2 5/6] net/nfp: check hugepages IOVAs based on DMA mask Alejandro Lucero
2018-07-03 12:09 ` [dpdk-dev] [PATCH v2 6/6] net/nfp: support IOVA VA mode Alejandro Lucero
2018-07-03 12:33 ` [dpdk-dev] [PATCH v2 0/6] use IOVAs check based on DMA mask Burakov, Anatoly

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