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From: Andy Pei <andy.pei@intel.com>
To: dev@dpdk.org
Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, gang.cao@intel.com,
changpeng.liu@intel.com
Subject: [PATCH v2 09/15] vdpa/ifc: add some log at VDPA launch before qemu
connect
Date: Tue, 25 Jan 2022 17:37:11 +0800
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Add some log of virtio blk device config space information
at VDPA launch before qemu connects.
Signed-off-by: Andy Pei <andy.pei@intel.com>
---
drivers/vdpa/ifc/ifcvf_vdpa.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c
index 00e7274..ff91e80 100644
--- a/drivers/vdpa/ifc/ifcvf_vdpa.c
+++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
@@ -1436,6 +1436,9 @@ struct rte_vdpa_dev_info dev_info[] = {
struct rte_kvargs *kvlist = NULL;
int ret = 0;
int16_t device_id;
+ __u64 capacity = 0;
+ uint8_t *byte;
+ uint32_t i;
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
@@ -1502,6 +1505,31 @@ struct rte_vdpa_dev_info dev_info[] = {
internal->features = features &
~(1ULL << VIRTIO_F_IOMMU_PLATFORM);
internal->features |= dev_info[IFCVF_BLK].features;
+
+ /* cannot read 64-bit register in one attempt,
+ * so read byte by byte.
+ */
+ for (i = 0; i < sizeof(internal->hw.blk_cfg->capacity); i++) {
+ byte = (uint8_t *)&internal->hw.blk_cfg->capacity + i;
+ capacity |= (__u64)*byte << (i * 8);
+ }
+ DRV_LOG(INFO, "capacity : %quG", capacity >> 21);
+
+ DRV_LOG(INFO, "size_max : 0x%08x",
+ internal->hw.blk_cfg->size_max);
+ DRV_LOG(INFO, "seg_max : 0x%08x",
+ internal->hw.blk_cfg->seg_max);
+ DRV_LOG(INFO, "blk_size : 0x%08x",
+ internal->hw.blk_cfg->blk_size);
+ DRV_LOG(INFO, "geometry");
+ DRV_LOG(INFO, " cylinders: %u",
+ internal->hw.blk_cfg->geometry.cylinders);
+ DRV_LOG(INFO, " heads : %u",
+ internal->hw.blk_cfg->geometry.heads);
+ DRV_LOG(INFO, " sectors : %u",
+ internal->hw.blk_cfg->geometry.sectors);
+ DRV_LOG(INFO, "num_queues: 0x%08x",
+ internal->hw.blk_cfg->num_queues);
}
list->internal = internal;
--
1.8.3.1