[dpdk-dev] [PATCH v3] bus/fslmc: use PRIu64 instead of llX in format specifier

Gowrishankar gowrishankar.m at linux.vnet.ibm.com
Fri Apr 13 13:22:30 CEST 2018


From: Gowrishankar Muthukrishnan <gowrishankar.m at linux.vnet.ibm.com>

Instead of llX, use C99 standard "PRIu64" in format specifier. Former one
breaks compile in ppc64le.

Fixes: c2c167fdb3 ("bus/fslmc: support memory event callbacks for VFIO")

Signed-off-by: Gowrishankar Muthukrishnan <gowrishankar.m at linux.vnet.ibm.com>
--
v3:
 - correction to prefix address with 0x
v2:
 - corrected format specifier wrt address and size.
   Thanks Shreyansh, Hemant and Thomas.

In file included from dpdk/drivers/bus/fslmc/fslmc_vfio.c:37:0:
dpdk/drivers/bus/fslmc/fslmc_vfio.c: In function ‘fslmc_map_dma’:
dpdk/drivers/bus/fslmc/fslmc_logs.h:18:44: error: format ‘%llX’ expects argument of type ‘long long unsigned int’, but argument 5 has type ‘__u64 {aka long unsigned int}’ [-Werror=format=]
  rte_log(RTE_LOG_DEBUG, dpaa2_logtype_bus, "fslmc: %s(): " fmt "\n", \
                                            ^
dpdk/drivers/bus/fslmc/fslmc_vfio.c:272:2: note: in expansion of macro ‘DPAA2_BUS_DEBUG’
  DPAA2_BUS_DEBUG("--> Map address: %llX, size: 0x%llX",
  ^~~~~~~~~~~~~~~
dpdk/drivers/bus/fslmc/fslmc_vfio.c:272:39: note: format string is defined here
  DPAA2_BUS_DEBUG("--> Map address: %llX, size: 0x%llX",
                                    ~~~^
                                    %lX
---
 drivers/bus/fslmc/fslmc_vfio.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/bus/fslmc/fslmc_vfio.c b/drivers/bus/fslmc/fslmc_vfio.c
index 4036e82..675d160 100644
--- a/drivers/bus/fslmc/fslmc_vfio.c
+++ b/drivers/bus/fslmc/fslmc_vfio.c
@@ -270,8 +270,8 @@ static int vfio_map_irq_region(struct fslmc_vfio_group *group)
 		return -1;
 	}
 
-	DPAA2_BUS_DEBUG("--> Map address: %llX, size: 0x%llX",
-			dma_map.vaddr, dma_map.size);
+	DPAA2_BUS_DEBUG("--> Map address: 0x%"PRIx64", size: %"PRIu64"",
+			(uint64_t)dma_map.vaddr, (uint64_t)dma_map.size);
 	ret = ioctl(group->container->fd, VFIO_IOMMU_MAP_DMA, &dma_map);
 	if (ret) {
 		DPAA2_BUS_ERR("VFIO_IOMMU_MAP_DMA API(errno = %d)",
@@ -303,8 +303,8 @@ static int vfio_map_irq_region(struct fslmc_vfio_group *group)
 		return -1;
 	}
 
-	DPAA2_BUS_DEBUG("--> Unmap address: %llX, size: 0x%llX",
-			dma_unmap.iova, dma_unmap.size);
+	DPAA2_BUS_DEBUG("--> Unmap address: 0x%"PRIx64", size: %"PRIu64"",
+			(uint64_t)dma_unmap.iova, (uint64_t)dma_unmap.size);
 	ret = ioctl(group->container->fd, VFIO_IOMMU_UNMAP_DMA, &dma_unmap);
 	if (ret) {
 		DPAA2_BUS_ERR("VFIO_IOMMU_UNMAP_DMA API(errno = %d)",
@@ -401,8 +401,8 @@ static int64_t vfio_map_mcp_obj(struct fslmc_vfio_group *group, char *mcp_obj)
 		goto MC_FAILURE;
 	}
 
-	DPAA2_BUS_DEBUG("Region offset = %llx  , region size = %llx",
-			reg_info.offset, reg_info.size);
+	DPAA2_BUS_DEBUG("Region offset = 0x%"PRIx64"  , region size = %"PRIu64"",
+			(uint64_t)reg_info.offset, (uint64_t)reg_info.size);
 
 	v_addr = (size_t)mmap(NULL, reg_info.size,
 		PROT_WRITE | PROT_READ, MAP_SHARED,
-- 
1.9.1



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