diff options
| author | Keith Busch <kbusch@kernel.org> | 2022-06-07 08:30:29 -0700 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2022-06-13 19:54:14 +0200 |
| commit | 2f0dad1719cbbd690e916a42d937b7605ee63964 (patch) | |
| tree | c24557976cfe5ea82697ddf57ac7aaddb6dc1736 /drivers/nvme/host/nvme.h | |
| parent | 1fc766b5c08417248e0008bca14c3572ac0f1c26 (diff) | |
nvme: add bug report info for global duplicate id
The recent global id check is finding poorly implemented devices in the
wild. Include relavant device information in the output to help quicken
an appropriate quirk patch.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 9b72b6ecf33c..0da94b233fed 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -503,6 +503,7 @@ struct nvme_ctrl_ops { void (*submit_async_event)(struct nvme_ctrl *ctrl); void (*delete_ctrl)(struct nvme_ctrl *ctrl); int (*get_address)(struct nvme_ctrl *ctrl, char *buf, int size); + void (*print_device_info)(struct nvme_ctrl *ctrl); }; /* @@ -548,6 +549,33 @@ static inline struct request *nvme_cid_to_rq(struct blk_mq_tags *tags, return blk_mq_tag_to_rq(tags, nvme_tag_from_cid(command_id)); } +/* + * Return the length of the string without the space padding + */ +static inline int nvme_strlen(char *s, int len) +{ + while (s[len - 1] == ' ') + len--; + return len; +} + +static inline void nvme_print_device_info(struct nvme_ctrl *ctrl) +{ + struct nvme_subsystem *subsys = ctrl->subsys; + + if (ctrl->ops->print_device_info) { + ctrl->ops->print_device_info(ctrl); + return; + } + + dev_err(ctrl->device, + "VID:%04x model:%.*s firmware:%.*s\n", subsys->vendor_id, + nvme_strlen(subsys->model, sizeof(subsys->model)), + subsys->model, nvme_strlen(subsys->firmware_rev, + sizeof(subsys->firmware_rev)), + subsys->firmware_rev); +} + #ifdef CONFIG_FAULT_INJECTION_DEBUG_FS void nvme_fault_inject_init(struct nvme_fault_inject *fault_inj, const char *dev_name); |