d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

vdpa/ifc: add log for config space of virtio block

Browse Source 
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>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
This commit is contained in:
Andy Pei 2022-05-24 10:48:15 +08:00 committed by Maxime Coquelin
parent 1216ac76d5
commit dc4406a5ff
1 changed files with 34 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/vdpa/ifc/ifcvf_vdpa.c
View File

@ -1387,6 +1387,9 @@ ifcvf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
struct rte_kvargs *kvlist = NULL;
int ret = 0;
int16_t device_id;
uint64_t capacity = 0;
uint8_t *byte;
uint32_t i;
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
@ -1453,6 +1456,37 @@ ifcvf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
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 |= (uint64_t)*byte << (i * 8);
}
/* The capacity is number of sectors in 512-byte.
* So right shift 1 bit we get in K,
* another right shift 10 bits we get in M,
* right shift 10 more bits, we get in G.
* To show capacity in G, we right shift 21 bits in total.
*/
DRV_LOG(DEBUG, "capacity : %"PRIu64"G", capacity >> 21);
DRV_LOG(DEBUG, "size_max : 0x%08x",
internal->hw.blk_cfg->size_max);
DRV_LOG(DEBUG, "seg_max : 0x%08x",
internal->hw.blk_cfg->seg_max);
DRV_LOG(DEBUG, "blk_size : 0x%08x",
internal->hw.blk_cfg->blk_size);
DRV_LOG(DEBUG, "geometry");
DRV_LOG(DEBUG, " cylinders: %u",
internal->hw.blk_cfg->geometry.cylinders);
DRV_LOG(DEBUG, " heads : %u",
internal->hw.blk_cfg->geometry.heads);
DRV_LOG(DEBUG, " sectors : %u",
internal->hw.blk_cfg->geometry.sectors);
DRV_LOG(DEBUG, "num_queues: 0x%08x",
internal->hw.blk_cfg->num_queues);
}
list->internal = internal;