^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (c) 2016, Avago Technologies
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #ifndef _NVME_FC_TRANSPORT_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define _NVME_FC_TRANSPORT_H 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Common definitions between the nvme_fc (host) transport and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * nvmet_fc (target) transport implementation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * ****************** FC-NVME LS HANDLING ******************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) union nvmefc_ls_requests {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) struct fcnvme_ls_rqst_w0 w0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct fcnvme_ls_cr_assoc_rqst rq_cr_assoc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct fcnvme_ls_cr_conn_rqst rq_cr_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct fcnvme_ls_disconnect_assoc_rqst rq_dis_assoc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct fcnvme_ls_disconnect_conn_rqst rq_dis_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) } __aligned(128); /* alignment for other things alloc'd with */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) union nvmefc_ls_responses {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct fcnvme_ls_rjt rsp_rjt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct fcnvme_ls_cr_assoc_acc rsp_cr_assoc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct fcnvme_ls_cr_conn_acc rsp_cr_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct fcnvme_ls_disconnect_assoc_acc rsp_dis_assoc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct fcnvme_ls_disconnect_conn_acc rsp_dis_conn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) } __aligned(128); /* alignment for other things alloc'd with */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) nvme_fc_format_rsp_hdr(void *buf, u8 ls_cmd, __be32 desc_len, u8 rqst_ls_cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct fcnvme_ls_acc_hdr *acc = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) acc->w0.ls_cmd = ls_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) acc->desc_list_len = desc_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) acc->rqst.desc_tag = cpu_to_be32(FCNVME_LSDESC_RQST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) acc->rqst.desc_len =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) fcnvme_lsdesc_len(sizeof(struct fcnvme_lsdesc_rqst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) acc->rqst.w0.ls_cmd = rqst_ls_cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) nvme_fc_format_rjt(void *buf, u16 buflen, u8 ls_cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) u8 reason, u8 explanation, u8 vendor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct fcnvme_ls_rjt *rjt = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) nvme_fc_format_rsp_hdr(buf, FCNVME_LSDESC_RQST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) fcnvme_lsdesc_len(sizeof(struct fcnvme_ls_rjt)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) ls_cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) rjt->rjt.desc_tag = cpu_to_be32(FCNVME_LSDESC_RJT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) rjt->rjt.desc_len = fcnvme_lsdesc_len(sizeof(struct fcnvme_lsdesc_rjt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) rjt->rjt.reason_code = reason;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) rjt->rjt.reason_explanation = explanation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) rjt->rjt.vendor = vendor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) return sizeof(struct fcnvme_ls_rjt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) /* Validation Error indexes into the string table below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) VERR_NO_ERROR = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) VERR_CR_ASSOC_LEN = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) VERR_CR_ASSOC_RQST_LEN = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) VERR_CR_ASSOC_CMD = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) VERR_CR_ASSOC_CMD_LEN = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) VERR_ERSP_RATIO = 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) VERR_ASSOC_ALLOC_FAIL = 6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) VERR_QUEUE_ALLOC_FAIL = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) VERR_CR_CONN_LEN = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) VERR_CR_CONN_RQST_LEN = 9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) VERR_ASSOC_ID = 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) VERR_ASSOC_ID_LEN = 11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) VERR_NO_ASSOC = 12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) VERR_CONN_ID = 13,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) VERR_CONN_ID_LEN = 14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) VERR_INVAL_CONN = 15,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) VERR_CR_CONN_CMD = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) VERR_CR_CONN_CMD_LEN = 17,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) VERR_DISCONN_LEN = 18,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) VERR_DISCONN_RQST_LEN = 19,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) VERR_DISCONN_CMD = 20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) VERR_DISCONN_CMD_LEN = 21,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) VERR_DISCONN_SCOPE = 22,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) VERR_RS_LEN = 23,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) VERR_RS_RQST_LEN = 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) VERR_RS_CMD = 25,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) VERR_RS_CMD_LEN = 26,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) VERR_RS_RCTL = 27,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) VERR_RS_RO = 28,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) VERR_LSACC = 29,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) VERR_LSDESC_RQST = 30,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) VERR_LSDESC_RQST_LEN = 31,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) VERR_CR_ASSOC = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) VERR_CR_ASSOC_ACC_LEN = 33,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) VERR_CR_CONN = 34,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) VERR_CR_CONN_ACC_LEN = 35,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) VERR_DISCONN = 36,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) VERR_DISCONN_ACC_LEN = 37,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static char *validation_errors[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) "OK",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) "Bad CR_ASSOC Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) "Bad CR_ASSOC Rqst Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) "Not CR_ASSOC Cmd",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) "Bad CR_ASSOC Cmd Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) "Bad Ersp Ratio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) "Association Allocation Failed",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) "Queue Allocation Failed",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) "Bad CR_CONN Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) "Bad CR_CONN Rqst Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) "Not Association ID",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) "Bad Association ID Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) "No Association",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) "Not Connection ID",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) "Bad Connection ID Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) "Invalid Connection ID",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) "Not CR_CONN Cmd",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) "Bad CR_CONN Cmd Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) "Bad DISCONN Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) "Bad DISCONN Rqst Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) "Not DISCONN Cmd",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) "Bad DISCONN Cmd Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) "Bad Disconnect Scope",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) "Bad RS Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) "Bad RS Rqst Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) "Not RS Cmd",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) "Bad RS Cmd Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) "Bad RS R_CTL",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) "Bad RS Relative Offset",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) "Not LS_ACC",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) "Not LSDESC_RQST",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) "Bad LSDESC_RQST Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) "Not CR_ASSOC Rqst",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) "Bad CR_ASSOC ACC Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) "Not CR_CONN Rqst",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) "Bad CR_CONN ACC Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) "Not Disconnect Rqst",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) "Bad Disconnect ACC Length",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) #define NVME_FC_LAST_LS_CMD_VALUE FCNVME_LS_DISCONNECT_CONN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static char *nvmefc_ls_names[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) "Reserved (0)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) "RJT (1)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) "ACC (2)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) "Create Association",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) "Create Connection",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) "Disconnect Association",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) "Disconnect Connection",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) nvmefc_fmt_lsreq_discon_assoc(struct nvmefc_ls_req *lsreq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct fcnvme_ls_disconnect_assoc_rqst *discon_rqst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) struct fcnvme_ls_disconnect_assoc_acc *discon_acc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) u64 association_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) lsreq->rqstaddr = discon_rqst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) lsreq->rqstlen = sizeof(*discon_rqst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) lsreq->rspaddr = discon_acc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) lsreq->rsplen = sizeof(*discon_acc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) lsreq->timeout = NVME_FC_LS_TIMEOUT_SEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) discon_rqst->w0.ls_cmd = FCNVME_LS_DISCONNECT_ASSOC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) discon_rqst->desc_list_len = cpu_to_be32(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) sizeof(struct fcnvme_lsdesc_assoc_id) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) sizeof(struct fcnvme_lsdesc_disconn_cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) discon_rqst->associd.desc_tag = cpu_to_be32(FCNVME_LSDESC_ASSOC_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) discon_rqst->associd.desc_len =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) fcnvme_lsdesc_len(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) sizeof(struct fcnvme_lsdesc_assoc_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) discon_rqst->associd.association_id = cpu_to_be64(association_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) discon_rqst->discon_cmd.desc_tag = cpu_to_be32(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) FCNVME_LSDESC_DISCONN_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) discon_rqst->discon_cmd.desc_len =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) fcnvme_lsdesc_len(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) sizeof(struct fcnvme_lsdesc_disconn_cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) nvmefc_vldt_lsreq_discon_assoc(u32 rqstlen,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) struct fcnvme_ls_disconnect_assoc_rqst *rqst)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (rqstlen < sizeof(struct fcnvme_ls_disconnect_assoc_rqst))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) ret = VERR_DISCONN_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) else if (rqst->desc_list_len !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) fcnvme_lsdesc_len(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) sizeof(struct fcnvme_ls_disconnect_assoc_rqst)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) ret = VERR_DISCONN_RQST_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) else if (rqst->associd.desc_tag != cpu_to_be32(FCNVME_LSDESC_ASSOC_ID))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) ret = VERR_ASSOC_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) else if (rqst->associd.desc_len !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) fcnvme_lsdesc_len(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) sizeof(struct fcnvme_lsdesc_assoc_id)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) ret = VERR_ASSOC_ID_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) else if (rqst->discon_cmd.desc_tag !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) cpu_to_be32(FCNVME_LSDESC_DISCONN_CMD))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) ret = VERR_DISCONN_CMD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) else if (rqst->discon_cmd.desc_len !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) fcnvme_lsdesc_len(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) sizeof(struct fcnvme_lsdesc_disconn_cmd)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) ret = VERR_DISCONN_CMD_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) * As the standard changed on the LS, check if old format and scope
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) * something other than Association (e.g. 0).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) else if (rqst->discon_cmd.rsvd8[0])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) ret = VERR_DISCONN_SCOPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) #endif /* _NVME_FC_TRANSPORT_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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