nvme/host/fabrics.c

3  * NVMe over Fabrics common host code.
13 #include "nvme.h"
15 #include <linux/nvme-keyring.h>
126  * @ctrl:	Host NVMe controller instance which we got the address
152  * nvmf_reg_read32() -  NVMe Fabrics "Property Get" API function.
153  * @ctrl:	Host NVMe controller instance maintaining the admin
155  *		the allocated NVMe controller resource on the target system.
157  *		register (see the fabrics section of the NVMe standard).
162  * from an NVMe controller on the target system.
165  * NVMe fabrics space.)
169  *	> 0: NVMe error status code
197  * nvmf_reg_read64() -  NVMe Fabrics "Property Get" API function.
198  * @ctrl:	Host NVMe controller instance maintaining the admin
202  *		register (see the fabrics section of the NVMe standard).
207  * from an NVMe controller on the target system.
210  * NVMe fabrics space.)
214  *	> 0: NVMe error status code
242  * nvmf_reg_write32() -  NVMe Fabrics "Property Write" API function.
243  * @ctrl:	Host NVMe controller instance maintaining the admin
245  *		the allocated NVMe controller resource on the target system.
247  *		register (see the fabrics section of the NVMe standard).
251  * Used by the NVMe host system to write a 32-bit capsule property value
252  * to an NVMe controller on the target system.
255  * NVMe fabrics space.)
259  *	> 0: NVMe error status code
304  * @offset:	For use with the NVMe error code
434  * nvmf_connect_admin_queue() - NVMe Fabrics Admin Queue "Connect"
436  * @ctrl:	Host nvme controller instance used to request
437  *              a new NVMe controller allocation on the target
438  *              system and  establish an NVMe Admin connection to
441  * This function enables an NVMe host device to request a new allocation of
442  * an NVMe controller resource on a target system as well establish a
443  * fabrics-protocol connection of the NVMe Admin queue between the
444  * host system device and the allocated NVMe controller on the
445  * target system via a NVMe Fabrics "Connect" command.
506  * nvmf_connect_io_queue() - NVMe Fabrics I/O Queue "Connect"
508  * @ctrl:	Host nvme controller instance used to establish an
509  *		NVMe I/O queue connection to the already allocated NVMe
511  * @qid:	NVMe I/O queue number for the new I/O connection between
513  *		the Admin queue, per NVMe standard).
516  * of a NVMe I/O queue (via NVMe Fabrics "Connect" command)
517  * between the host system device and the allocated NVMe controller
522  *	> 0: NVMe error status code
607  * nvmf_register_transport() - NVMe Fabrics Library registration function.
612  * being implemented to the common NVMe fabrics library. Part of
629  * nvmf_unregister_transport() - NVMe Fabrics Library unregistration function.
634  * fabric being implemented from the common NVMe fabrics library.
1324 	request_module("nvme-%s", opts->transport);  in nvmf_create_ctrl()
1379 	.name = "nvme-fabrics",
1489 	.name           = "nvme-fabrics",
1503 		pr_err("couldn't register class nvme-fabrics\n");  in nvmf_init()
1510 		pr_err("couldn't create nvme-fabrics device!\n");  in nvmf_init()
1554 MODULE_DESCRIPTION("NVMe host fabrics library");