Differential D15162 Diff 41784 head/sys/dev/nvme/nvme_ns.c

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head/sys/dev/nvme/nvme_ns.c

Show First 20 Lines • Show All 488 Lines • ▼ Show 20 Lines	nvme_ns_bio_process(struct nvme_namespace ns, struct bio bp,

return (err);		return (err);
}		}

int		int
nvme_ns_construct(struct nvme_namespace *ns, uint32_t id,		nvme_ns_construct(struct nvme_namespace *ns, uint32_t id,
struct nvme_controller *ctrlr)		struct nvme_controller *ctrlr)
{		{
		struct make_dev_args md_args;
struct nvme_completion_poll_status status;		struct nvme_completion_poll_status status;
		int res;
int unit;		int unit;
uint16_t oncs;		uint16_t oncs;
uint8_t dsm;		uint8_t dsm;
uint8_t flbas_fmt;		uint8_t flbas_fmt;
uint8_t vwc_present;		uint8_t vwc_present;

ns->ctrlr = ctrlr;		ns->ctrlr = ctrlr;
ns->id = id;		ns->id = id;
▲ Show 20 Lines • Show All 79 Lines • ▼ Show 20 Lines	if (ns->cdev != NULL)
return (0);		return (0);

/*		/*
* Namespace IDs start at 1, so we need to subtract 1 to create a		* Namespace IDs start at 1, so we need to subtract 1 to create a
* correct unit number.		* correct unit number.
*/		*/
unit = device_get_unit(ctrlr->dev) * NVME_MAX_NAMESPACES + ns->id - 1;		unit = device_get_unit(ctrlr->dev) * NVME_MAX_NAMESPACES + ns->id - 1;

ns->cdev = make_dev_credf(0, &nvme_ns_cdevsw, unit,		make_dev_args_init(&md_args);
NULL, UID_ROOT, GID_WHEEL, 0600, "nvme%dns%d",		md_args.mda_devsw = &nvme_ns_cdevsw;
		md_args.mda_unit = unit;
		md_args.mda_mode = 0600;
		res = make_dev_s(&md_args, &ns->cdev, "nvme%dns%d",
device_get_unit(ctrlr->dev), ns->id);		device_get_unit(ctrlr->dev), ns->id);
		if (res != 0)
		return (ENXIO);

#ifdef NVME_UNMAPPED_BIO_SUPPORT		#ifdef NVME_UNMAPPED_BIO_SUPPORT
ns->cdev->si_flags \|= SI_UNMAPPED;		ns->cdev->si_flags \|= SI_UNMAPPED;
#endif		#endif

if (ns->cdev != NULL)
ns->cdev->si_drv1 = ns;		ns->cdev->si_drv1 = ns;

return (0);		return (0);
}		}

void nvme_ns_destruct(struct nvme_namespace *ns)		void nvme_ns_destruct(struct nvme_namespace *ns)
{		{

if (ns->cdev != NULL)		if (ns->cdev != NULL)
destroy_dev(ns->cdev);		destroy_dev(ns->cdev);
}		}