Commit 4c19332b authored by Curt Bruns's avatar Curt Bruns Committed by Tomasz Zawadzki
Browse files

nvme: add cuse support for BLKSSZGET IOCTL 



Nvme-cli uses BLKSSZGET so support needs to be added for
nvme cuse devices.

Signed-off-by: default avatarCurt Bruns <curt.e.bruns@gmail.com>
Change-Id: Ic8316713b2d017c8ff32a225efff6bcb95842799
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7708


Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarPaul Luse <paul.e.luse@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent 0ba168fe

lib/nvme/nvme_cuse.c

+21 −0
Original line number Diff line number Diff line
@@ -535,6 +535,22 @@ cuse_blkgetsize(fuse_req_t req, int cmd, void *arg, 
	fuse_reply_ioctl(req, 0, &size, sizeof(size));

}



static void

cuse_blkgetsectorsize(fuse_req_t req, int cmd, void *arg,

		      struct fuse_file_info *fi, unsigned flags,

		      const void *in_buf, size_t in_bufsz, size_t out_bufsz)

{

	int ssize;

	struct spdk_nvme_ns *ns;

	struct cuse_device *cuse_device = fuse_req_userdata(req);



	FUSE_REPLY_CHECK_BUFFER(req, arg, out_bufsz, ssize);



	ns = spdk_nvme_ctrlr_get_ns(cuse_device->ctrlr, cuse_device->nsid);

	ssize = spdk_nvme_ns_get_sector_size(ns);

	fuse_reply_ioctl(req, 0, &ssize, sizeof(ssize));

}



static void

cuse_getid(fuse_req_t req, int cmd, void *arg,

	   struct fuse_file_info *fi, unsigned flags,
@@ -603,6 +619,11 @@ cuse_ns_ioctl(fuse_req_t req, int cmd, void *arg, 
		cuse_blkpbszget(req, cmd, arg, fi, flags, in_buf, in_bufsz, out_bufsz);

		break;



	case BLKSSZGET:

		SPDK_DEBUGLOG(nvme_cuse, "BLKSSZGET\n");

		cuse_blkgetsectorsize(req, cmd, arg, fi, flags, in_buf, in_bufsz, out_bufsz);

		break;



	case BLKGETSIZE:

		SPDK_DEBUGLOG(nvme_cuse, "BLKGETSIZE\n");

		/* Returns the device size as a number of 512-byte blocks (returns pointer to long) */