/* * Copyright (c) 2016 Tom Haynes */ #include #include #include "nfsd.h" #include "flexfilelayoutxdr.h" #define NFSDDBG_FACILITY NFSDDBG_PNFS struct ff_idmap { char buf[11]; int len; }; __be32 nfsd4_ff_encode_layoutget(struct xdr_stream *xdr, struct nfsd4_layoutget *lgp) { struct pnfs_ff_layout *fl = lgp->lg_content; int len, mirror_len, ds_len, fh_len; __be32 *p; /* * Unlike nfsd4_encode_user, we know these will * always be stringified. */ struct ff_idmap uid; struct ff_idmap gid; fh_len = 4 + fl->fh.size; uid.len = sprintf(uid.buf, "%u", from_kuid(&init_user_ns, fl->uid)); gid.len = sprintf(gid.buf, "%u", from_kgid(&init_user_ns, fl->gid)); /* 8 + len for recording the length, name, and padding */ ds_len = 20 + sizeof(stateid_opaque_t) + 4 + fh_len + 8 + uid.len + 8 + gid.len; mirror_len = 4 + ds_len; /* The layout segment */ len = 20 + mirror_len; p = xdr_reserve_space(xdr, sizeof(__be32) + len); if (!p) return nfserr_toosmall; *p++ = cpu_to_be32(len); p = xdr_encode_hyper(p, 0); /* stripe unit of 1 */ *p++ = cpu_to_be32(1); /* single mirror */ *p++ = cpu_to_be32(1); /* single data server */ p = xdr_encode_opaque_fixed(p, &fl->deviceid, sizeof(struct nfsd4_deviceid)); *p++ = cpu_to_be32(1); /* efficiency */ *p++ = cpu_to_be32(fl->stateid.si_generation); p = xdr_encode_opaque_fixed(p, &fl->stateid.si_opaque, sizeof(stateid_opaque_t)); *p++ = cpu_to_be32(1); /* single file handle */ p = xdr_encode_opaque(p, fl->fh.data, fl->fh.size); p = xdr_encode_opaque(p, uid.buf, uid.len); p = xdr_encode_opaque(p, gid.buf, gid.len); *p++ = cpu_to_be32(fl->flags); *p++ = cpu_to_be32(0); /* No stats collect hint */ return 0; } __be32 nfsd4_ff_encode_getdeviceinfo(struct xdr_stream *xdr, struct nfsd4_getdeviceinfo *gdp) { struct pnfs_ff_device_addr *da = gdp->gd_device; int len; int ver_len; int addr_len; __be32 *p; /* len + padding for two strings */ addr_len = 16 + da->netaddr.netid_len + da->netaddr.addr_len; ver_len = 20; len = 4 + ver_len + 4 + addr_len; p = xdr_reserve_space(xdr, len + sizeof(__be32)); if (!p) return nfserr_resource; /* * Fill in the overall length and number of volumes at the beginning * of the layout. */ *p++ = cpu_to_be32(len); *p++ = cpu_to_be32(1); /* 1 netaddr */ p = xdr_encode_opaque(p, da->netaddr.netid, da->netaddr.netid_len); p = xdr_encode_opaque(p, da->netaddr.addr, da->netaddr.addr_len); *p++ = cpu_to_be32(1); /* 1 versions */ *p++ = cpu_to_be32(da->version); *p++ = cpu_to_be32(da->minor_version); *p++ = cpu_to_be32(da->rsize); *p++ = cpu_to_be32(da->wsize); *p++ = cpu_to_be32(da->tightly_coupled); return 0; } .cgi/linux/net-next.git/log/include?id=a49e6f584e29785f9e5eb8dd31435746818dd5c4'>include/soc/fsl/qe/ucc_fast.h

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