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From: Anatoly Burakov <anatoly.burakov@intel.com>
To: dev@dpdk.org
Cc: Hemant Agrawal <hemant.agrawal@nxp.com>,
Shreyansh Jain <shreyansh.jain@nxp.com>, keith.wiles@intel.com,
jianfeng.tan@intel.com, andras.kovacs@ericsson.com,
laszlo.vadkeri@ericsson.com, benjamin.walker@intel.com,
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konstantin.ananyev@intel.com, kuralamudhan.ramakrishnan@intel.com,
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olivier.matz@6wind.com, gowrishankar.m@linux.vnet.ibm.com
Date: Sun, 8 Apr 2018 21:18:10 +0100
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Subject: [dpdk-dev] [PATCH v4 37/70] bus/dpaa: use iova2virt instead of
memseg iteration
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Reduce dependency on internal details of EAL memory subsystem, and
simplify code.
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
Notes:
v4:
- Fixed usage of experimental API's
v3:
- Added this patch
drivers/bus/dpaa/rte_dpaa_bus.h | 12 +-----------
drivers/mempool/dpaa/Makefile | 3 +++
drivers/mempool/dpaa/meson.build | 3 +++
drivers/net/dpaa/Makefile | 3 +++
4 files changed, 10 insertions(+), 11 deletions(-)
diff --git a/drivers/bus/dpaa/rte_dpaa_bus.h b/drivers/bus/dpaa/rte_dpaa_bus.h
index 718701b..89aeac2 100644
--- a/drivers/bus/dpaa/rte_dpaa_bus.h
+++ b/drivers/bus/dpaa/rte_dpaa_bus.h
@@ -98,17 +98,7 @@ struct dpaa_portal {
/* TODO - this is costly, need to write a fast coversion routine */
static inline void *rte_dpaa_mem_ptov(phys_addr_t paddr)
{
- const struct rte_memseg *memseg = rte_eal_get_physmem_layout();
- int i;
-
- for (i = 0; i < RTE_MAX_MEMSEG && memseg[i].addr != NULL; i++) {
- if (paddr >= memseg[i].iova && paddr <
- memseg[i].iova + memseg[i].len)
- return (uint8_t *)(memseg[i].addr) +
- (paddr - memseg[i].iova);
- }
-
- return NULL;
+ return rte_mem_iova2virt(paddr);
}
/**
diff --git a/drivers/mempool/dpaa/Makefile b/drivers/mempool/dpaa/Makefile
index 4c0d7aa..da8da1e 100644
--- a/drivers/mempool/dpaa/Makefile
+++ b/drivers/mempool/dpaa/Makefile
@@ -22,6 +22,9 @@ EXPORT_MAP := rte_mempool_dpaa_version.map
# Lbrary version
LIBABIVER := 1
+# depends on dpaa bus which uses experimental API
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
# all source are stored in SRCS-y
#
SRCS-$(CONFIG_RTE_LIBRTE_DPAA_MEMPOOL) += dpaa_mempool.c
diff --git a/drivers/mempool/dpaa/meson.build b/drivers/mempool/dpaa/meson.build
index 08423c2..9163b3d 100644
--- a/drivers/mempool/dpaa/meson.build
+++ b/drivers/mempool/dpaa/meson.build
@@ -7,3 +7,6 @@ endif
deps += ['bus_dpaa']
sources = files('dpaa_mempool.c')
+
+# depends on dpaa bus which uses experimental API
+allow_experimental_apis = true
diff --git a/drivers/net/dpaa/Makefile b/drivers/net/dpaa/Makefile
index 9c2a5ea..d7a0a50 100644
--- a/drivers/net/dpaa/Makefile
+++ b/drivers/net/dpaa/Makefile
@@ -27,6 +27,9 @@ EXPORT_MAP := rte_pmd_dpaa_version.map
LIBABIVER := 1
+# depends on dpaa bus which uses experimental API
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
# Interfaces with DPDK
SRCS-$(CONFIG_RTE_LIBRTE_DPAA_PMD) += dpaa_ethdev.c
SRCS-$(CONFIG_RTE_LIBRTE_DPAA_PMD) += dpaa_rxtx.c
--
2.7.4