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nvme: honor FLBAS Format Index Upper when selecting the LBA format

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Added nvme_ns_data_format_index() in the nvme, nda, and nvmf
host paths as well as nvmecontrol and camdd.

Reviewed by:	imp, adrian
Differential Revision:	https://reviews.freebsd.org/D59627
This commit is contained in:
Abdelkader Boudih committed 2026-09-24 15:19:51 +01:00
1 parent b5d1e0c5a4
commit 2c41f7d8a0
8 files changed
+27 -9
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sbin/nvmecontrol/devlist.c
+1 -1
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@@ -86,7 +86,7 @@ ns_get_sector_size(struct nvme_namespace_data *nsdata)
{
uint8_t flbas_fmt, lbads;
flbas_fmt = NVMEV(NVME_NS_DATA_FLBAS_FORMAT, nsdata->flbas);
flbas_fmt = nvme_ns_data_format_index(nsdata);
lbads = NVMEV(NVME_NS_DATA_LBAF_LBADS, nsdata->lbaf[flbas_fmt]);
return (1 << lbads);
sbin/nvmecontrol/format.c
+1 -1
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@@ -177,7 +177,7 @@ format(const struct cmd *f, int argc, char *argv[])
if (read_namespace_data(fd, nsid, &nsd))
errx(EX_IOERR, "Identify request failed");
if (lbaf < 0)
lbaf = NVMEV(NVME_NS_DATA_FLBAS_FORMAT, nsd.flbas);
lbaf = nvme_ns_data_format_index(&nsd);
if (lbaf > nsd.nlbaf)
errx(EX_USAGE, "LBA format is out of range");
if (ms < 0)
sbin/nvmecontrol/identify.c
+1 -1
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@@ -68,7 +68,7 @@ print_namespace(struct nvme_namespace_data *nsdata)
thin_prov = NVMEV(NVME_NS_DATA_NSFEAT_THIN_PROV, nsdata->nsfeat);
flbas_fmt = NVMEV(NVME_NS_DATA_FLBAS_FORMAT, nsdata->flbas);
flbas_fmt = nvme_ns_data_format_index(nsdata);
printf("Size: %lld blocks\n",
(long long)nsdata->nsze);
sys/cam/nvme/nvme_da.c
+1 -1
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@@ -310,7 +310,7 @@ ndasetgeom(struct nda_softc *softc, struct cam_periph *periph)
*/
flags = disk->d_flags & DISKFLAG_UNMAPPED_BIO; /* Need to preserve */
flbas_fmt = NVMEV(NVME_NS_DATA_FLBAS_FORMAT, nsd->flbas);
flbas_fmt = nvme_ns_data_format_index(nsd);
lbads = NVMEV(NVME_NS_DATA_LBAF_LBADS, nsd->lbaf[flbas_fmt]);
disk->d_sectorsize = 1 << lbads;
disk->d_mediasize = (off_t)(disk->d_sectorsize * nsd->nsze);
sys/dev/nvme/nvme.h
+18
View File
@@ -559,6 +559,11 @@ enum nvme_psdt {
#define NVME_NS_DATA_FLBAS_FORMAT_MASK (0xF)
#define NVME_NS_DATA_FLBAS_EXTENDED_SHIFT (4)
#define NVME_NS_DATA_FLBAS_EXTENDED_MASK (0x1)
#define NVME_NS_DATA_FLBAS_FORMAT_MSB_SHIFT (5)
#define NVME_NS_DATA_FLBAS_FORMAT_MSB_MASK (0x3)
/* FIDXL width, and the format count below which FIDXU is reserved. */
#define NVME_NS_DATA_FLBAS_FIDXL_BITS (4)
#define NVME_NS_DATA_LBAF_BASE_COUNT (16)
/** metadata capabilities */
/* metadata can be transferred as part of data prp list */
@@ -2083,6 +2088,19 @@ extern int nvme_use_nvd;
#endif /* _KERNEL */
static inline uint8_t
nvme_ns_data_format_index(const struct nvme_namespace_data *nsdata)
{
uint8_t fmt;
fmt = NVMEV(NVME_NS_DATA_FLBAS_FORMAT, nsdata->flbas);
/* FIDXU is valid only above the base count; NLBAF is 0's based. */
if (nsdata->nlbaf + 1 > NVME_NS_DATA_LBAF_BASE_COUNT)
fmt |= NVMEV(NVME_NS_DATA_FLBAS_FORMAT_MSB, nsdata->flbas) <<
NVME_NS_DATA_FLBAS_FIDXL_BITS;
return (fmt);
}
/* Endianess conversion functions for NVMe structs */
static inline
void nvme_completion_swapbytes(struct nvme_completion *s __unused)
sys/dev/nvme/nvme_ns.c
+2 -2
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@@ -192,7 +192,7 @@ nvme_ns_get_sector_size(struct nvme_namespace *ns)
{
uint8_t flbas_fmt, lbads;
flbas_fmt = NVMEV(NVME_NS_DATA_FLBAS_FORMAT, ns->data.flbas);
flbas_fmt = nvme_ns_data_format_index(&ns->data);
lbads = NVMEV(NVME_NS_DATA_LBAF_LBADS, ns->data.lbaf[flbas_fmt]);
return (1 << lbads);
@@ -568,7 +568,7 @@ nvme_ns_construct(struct nvme_namespace *ns, uint32_t id,
* Check the validity of the format specified. Note: format is a 0-based
* value, so > is appropriate here, not >=.
*/
flbas_fmt = NVMEV(NVME_NS_DATA_FLBAS_FORMAT, ns->data.flbas);
flbas_fmt = nvme_ns_data_format_index(&ns->data);
if (flbas_fmt > ns->data.nlbaf) {
nvme_printf(ctrlr, "nsid %d lba format %d invalid (> %d)\n",
id, flbas_fmt, ns->data.nlbaf + 1);
sys/dev/nvmf/host/nvmf_ns.c
+2 -2
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@@ -353,7 +353,7 @@ nvmf_init_ns(struct nvmf_softc *sc, uint32_t id,
goto fail;
}
lbaf = NVMEV(NVME_NS_DATA_FLBAS_FORMAT, data->flbas);
lbaf = nvme_ns_data_format_index(data);
if (lbaf > data->nlbaf) {
ns_printf(ns, "Invalid LBA format index\n");
goto fail;
@@ -505,7 +505,7 @@ nvmf_update_ns(struct nvmf_namespace *ns,
return (false);
}
lbaf = NVMEV(NVME_NS_DATA_FLBAS_FORMAT, data->flbas);
lbaf = nvme_ns_data_format_index(data);
if (lbaf > data->nlbaf) {
ns_printf(ns, "Invalid LBA format index\n");
return (false);
usr.sbin/camdd/camdd.c
+1 -1
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@@ -1430,7 +1430,7 @@ camdd_probe_pass_nvme(struct cam_device *cam_dev, union ccb *ccb,
*maxsector = nsdata.nsze;
/* The LBA Data Size (LBADS) is reported as a power of 2 */
format = NVMEV(NVME_NS_DATA_FLBAS_FORMAT, nsdata.flbas);
format = nvme_ns_data_format_index(&nsdata);
lbads = NVMEV(NVME_NS_DATA_LBAF_LBADS, nsdata.lbaf[format]);
*block_len = 1 << lbads;