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authorJoel Granados <j.granados@samsung.com>2023-02-20 12:59:22 +0100
committerKlaus Jensen <k.jensen@samsung.com>2023-03-06 15:28:02 +0100
commita555af1707be7f564320cbb444ef68448ff16549 (patch)
tree57b04db5fd2fa0d3d339f5aaae5ffef7016e2206
parentf003dd8d81f7d88f4b1f8802309eaa76f6eb223a (diff)
hw/nvme: move adjustment of data_units{read,written}
Move the rounding of bytes read/written into nvme_smart_log which reports in units of 512 bytes, rounded up in thousands. This is in preparation for adding the Endurance Group Information log page which reports in units of billions, rounded up. Reviewed-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Klaus Jensen <k.jensen@samsung.com> Signed-off-by: Joel Granados <j.granados@samsung.com> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
-rw-r--r--hw/nvme/ctrl.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index f25cc2c235..99b92ff20b 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -4386,8 +4386,8 @@ static void nvme_set_blk_stats(NvmeNamespace *ns, struct nvme_stats *stats)
{
BlockAcctStats *s = blk_get_stats(ns->blkconf.blk);
- stats->units_read += s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS;
- stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS;
+ stats->units_read += s->nr_bytes[BLOCK_ACCT_READ];
+ stats->units_written += s->nr_bytes[BLOCK_ACCT_WRITE];
stats->read_commands += s->nr_ops[BLOCK_ACCT_READ];
stats->write_commands += s->nr_ops[BLOCK_ACCT_WRITE];
}
@@ -4401,6 +4401,7 @@ static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len,
uint32_t trans_len;
NvmeNamespace *ns;
time_t current_ms;
+ uint64_t u_read, u_written;
if (off >= sizeof(smart)) {
return NVME_INVALID_FIELD | NVME_DNR;
@@ -4427,10 +4428,11 @@ static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len,
trans_len = MIN(sizeof(smart) - off, buf_len);
smart.critical_warning = n->smart_critical_warning;
- smart.data_units_read[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_read,
- 1000));
- smart.data_units_written[0] = cpu_to_le64(DIV_ROUND_UP(stats.units_written,
- 1000));
+ u_read = DIV_ROUND_UP(stats.units_read >> BDRV_SECTOR_BITS, 1000);
+ u_written = DIV_ROUND_UP(stats.units_written >> BDRV_SECTOR_BITS, 1000);
+
+ smart.data_units_read[0] = cpu_to_le64(u_read);
+ smart.data_units_written[0] = cpu_to_le64(u_written);
smart.host_read_commands[0] = cpu_to_le64(stats.read_commands);
smart.host_write_commands[0] = cpu_to_le64(stats.write_commands);