diff options
| -rw-r--r-- | drivers/nvme/host/core.c | 8 | ||||
| -rw-r--r-- | include/linux/nvme.h | 9 |
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 448b8239bc99..e78ef31eeef0 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1875,12 +1875,18 @@ static void nvme_configure_pi_elbas(struct nvme_ns_head *head, struct nvme_id_ns *id, struct nvme_id_ns_nvm *nvm) { u32 elbaf = le32_to_cpu(nvm->elbaf[nvme_lbaf_index(id->flbas)]); + u8 guard_type; /* no support for storage tag formats right now */ if (nvme_elbaf_sts(elbaf)) return; - head->guard_type = nvme_elbaf_guard_type(elbaf); + guard_type = nvme_elbaf_guard_type(elbaf); + if ((nvm->pic & NVME_ID_NS_NVM_QPIFS) && + guard_type == NVME_NVM_NS_QTYPE_GUARD) + guard_type = nvme_elbaf_qualified_guard_type(elbaf); + + head->guard_type = guard_type; switch (head->guard_type) { case NVME_NVM_NS_64B_GUARD: head->pi_size = sizeof(struct crc64_pi_tuple); diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 57e27e48c913..5c2290f0d5af 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -483,6 +483,9 @@ enum { NVME_ID_NS_NVM_STS_MASK = 0x7f, NVME_ID_NS_NVM_GUARD_SHIFT = 7, NVME_ID_NS_NVM_GUARD_MASK = 0x3, + NVME_ID_NS_NVM_QPIF_SHIFT = 9, + NVME_ID_NS_NVM_QPIF_MASK = 0xf, + NVME_ID_NS_NVM_QPIFS = 1 << 3, }; static inline __u8 nvme_elbaf_sts(__u32 elbaf) @@ -495,6 +498,11 @@ static inline __u8 nvme_elbaf_guard_type(__u32 elbaf) return (elbaf >> NVME_ID_NS_NVM_GUARD_SHIFT) & NVME_ID_NS_NVM_GUARD_MASK; } +static inline __u8 nvme_elbaf_qualified_guard_type(__u32 elbaf) +{ + return (elbaf >> NVME_ID_NS_NVM_QPIF_SHIFT) & NVME_ID_NS_NVM_QPIF_MASK; +} + struct nvme_id_ctrl_nvm { __u8 vsl; __u8 wzsl; @@ -574,6 +582,7 @@ enum { NVME_NVM_NS_16B_GUARD = 0, NVME_NVM_NS_32B_GUARD = 1, NVME_NVM_NS_64B_GUARD = 2, + NVME_NVM_NS_QTYPE_GUARD = 3, }; static inline __u8 nvme_lbaf_index(__u8 flbas) |