| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * NVM Express target device driver tracepoints |
| * Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH |
| */ |
| |
| #include <linux/unaligned.h> |
| #include "trace.h" |
| |
| static const char *nvmet_trace_admin_identify(struct trace_seq *p, u8 *cdw10) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u8 cns = cdw10[0]; |
| u16 ctrlid = get_unaligned_le16(cdw10 + 2); |
| |
| trace_seq_printf(p, "cns=%u, ctrlid=%u", cns, ctrlid); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char *nvmet_trace_admin_get_features(struct trace_seq *p, |
| u8 *cdw10) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u8 fid = cdw10[0]; |
| u8 sel = cdw10[1] & 0x7; |
| u32 cdw11 = get_unaligned_le32(cdw10 + 4); |
| |
| trace_seq_printf(p, "fid=0x%x, sel=0x%x, cdw11=0x%x", fid, sel, cdw11); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char *nvmet_trace_get_lba_status(struct trace_seq *p, |
| u8 *cdw10) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u64 slba = get_unaligned_le64(cdw10); |
| u32 mndw = get_unaligned_le32(cdw10 + 8); |
| u16 rl = get_unaligned_le16(cdw10 + 12); |
| u8 atype = cdw10[15]; |
| |
| trace_seq_printf(p, "slba=0x%llx, mndw=0x%x, rl=0x%x, atype=%u", |
| slba, mndw, rl, atype); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char *nvmet_trace_admin_set_features(struct trace_seq *p, |
| u8 *cdw10) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u8 fid = cdw10[0]; |
| u8 sv = cdw10[3] & 0x8; |
| u32 cdw11 = get_unaligned_le32(cdw10 + 4); |
| |
| trace_seq_printf(p, "fid=0x%x, sv=0x%x, cdw11=0x%x", fid, sv, cdw11); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char *nvmet_trace_read_write(struct trace_seq *p, u8 *cdw10) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u64 slba = get_unaligned_le64(cdw10); |
| u16 length = get_unaligned_le16(cdw10 + 8); |
| u16 control = get_unaligned_le16(cdw10 + 10); |
| u32 dsmgmt = get_unaligned_le32(cdw10 + 12); |
| u32 reftag = get_unaligned_le32(cdw10 + 16); |
| |
| trace_seq_printf(p, |
| "slba=%llu, len=%u, ctrl=0x%x, dsmgmt=%u, reftag=%u", |
| slba, length, control, dsmgmt, reftag); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char *nvmet_trace_dsm(struct trace_seq *p, u8 *cdw10) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| |
| trace_seq_printf(p, "nr=%u, attributes=%u", |
| get_unaligned_le32(cdw10), |
| get_unaligned_le32(cdw10 + 4)); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char *nvmet_trace_common(struct trace_seq *p, u8 *cdw10) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| |
| trace_seq_printf(p, "cdw10=%*ph", 24, cdw10); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| const char *nvmet_trace_parse_admin_cmd(struct trace_seq *p, |
| u8 opcode, u8 *cdw10) |
| { |
| switch (opcode) { |
| case nvme_admin_identify: |
| return nvmet_trace_admin_identify(p, cdw10); |
| case nvme_admin_set_features: |
| return nvmet_trace_admin_set_features(p, cdw10); |
| case nvme_admin_get_features: |
| return nvmet_trace_admin_get_features(p, cdw10); |
| case nvme_admin_get_lba_status: |
| return nvmet_trace_get_lba_status(p, cdw10); |
| default: |
| return nvmet_trace_common(p, cdw10); |
| } |
| } |
| |
| static const char *nvmet_trace_zone_mgmt_send(struct trace_seq *p, u8 *cdw10) |
| { |
| static const char * const zsa_strs[] = { |
| [0x01] = "close zone", |
| [0x02] = "finish zone", |
| [0x03] = "open zone", |
| [0x04] = "reset zone", |
| [0x05] = "offline zone", |
| [0x10] = "set zone descriptor extension" |
| }; |
| const char *ret = trace_seq_buffer_ptr(p); |
| u64 slba = get_unaligned_le64(cdw10); |
| const char *zsa_str; |
| u8 zsa = cdw10[12]; |
| u8 all = cdw10[13]; |
| |
| if (zsa < ARRAY_SIZE(zsa_strs) && zsa_strs[zsa]) |
| zsa_str = zsa_strs[zsa]; |
| else |
| zsa_str = "reserved"; |
| |
| trace_seq_printf(p, "slba=%llu, zsa=%u:%s, all=%u", |
| slba, zsa, zsa_str, all); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char *nvmet_trace_zone_mgmt_recv(struct trace_seq *p, u8 *cdw10) |
| { |
| static const char * const zrasf_strs[] = { |
| [0x00] = "list all zones", |
| [0x01] = "list the zones in the ZSE: Empty state", |
| [0x02] = "list the zones in the ZSIO: Implicitly Opened state", |
| [0x03] = "list the zones in the ZSEO: Explicitly Opened state", |
| [0x04] = "list the zones in the ZSC: Closed state", |
| [0x05] = "list the zones in the ZSF: Full state", |
| [0x06] = "list the zones in the ZSRO: Read Only state", |
| [0x07] = "list the zones in the ZSO: Offline state", |
| [0x09] = "list the zones that have the zone attribute" |
| }; |
| const char *ret = trace_seq_buffer_ptr(p); |
| u64 slba = get_unaligned_le64(cdw10); |
| u32 numd = get_unaligned_le32(&cdw10[8]); |
| u8 zra = cdw10[12]; |
| u8 zrasf = cdw10[13]; |
| const char *zrasf_str; |
| u8 pr = cdw10[14]; |
| |
| if (zrasf < ARRAY_SIZE(zrasf_strs) && zrasf_strs[zrasf]) |
| zrasf_str = zrasf_strs[zrasf]; |
| else |
| zrasf_str = "reserved"; |
| |
| trace_seq_printf(p, "slba=%llu, numd=%u, zra=%u, zrasf=%u:%s, pr=%u", |
| slba, numd, zra, zrasf, zrasf_str, pr); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char *nvmet_trace_resv_reg(struct trace_seq *p, u8 *cdw10) |
| { |
| static const char * const rrega_strs[] = { |
| [0x00] = "register", |
| [0x01] = "unregister", |
| [0x02] = "replace", |
| }; |
| const char *ret = trace_seq_buffer_ptr(p); |
| u8 rrega = cdw10[0] & 0x7; |
| u8 iekey = (cdw10[0] >> 3) & 0x1; |
| u8 ptpl = (cdw10[3] >> 6) & 0x3; |
| const char *rrega_str; |
| |
| if (rrega < ARRAY_SIZE(rrega_strs) && rrega_strs[rrega]) |
| rrega_str = rrega_strs[rrega]; |
| else |
| rrega_str = "reserved"; |
| |
| trace_seq_printf(p, "rrega=%u:%s, iekey=%u, ptpl=%u", |
| rrega, rrega_str, iekey, ptpl); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char * const rtype_strs[] = { |
| [0x00] = "reserved", |
| [0x01] = "write exclusive", |
| [0x02] = "exclusive access", |
| [0x03] = "write exclusive registrants only", |
| [0x04] = "exclusive access registrants only", |
| [0x05] = "write exclusive all registrants", |
| [0x06] = "exclusive access all registrants", |
| }; |
| |
| static const char *nvmet_trace_resv_acq(struct trace_seq *p, u8 *cdw10) |
| { |
| static const char * const racqa_strs[] = { |
| [0x00] = "acquire", |
| [0x01] = "preempt", |
| [0x02] = "preempt and abort", |
| }; |
| const char *ret = trace_seq_buffer_ptr(p); |
| u8 racqa = cdw10[0] & 0x7; |
| u8 iekey = (cdw10[0] >> 3) & 0x1; |
| u8 rtype = cdw10[1]; |
| const char *racqa_str = "reserved"; |
| const char *rtype_str = "reserved"; |
| |
| if (racqa < ARRAY_SIZE(racqa_strs) && racqa_strs[racqa]) |
| racqa_str = racqa_strs[racqa]; |
| |
| if (rtype < ARRAY_SIZE(rtype_strs) && rtype_strs[rtype]) |
| rtype_str = rtype_strs[rtype]; |
| |
| trace_seq_printf(p, "racqa=%u:%s, iekey=%u, rtype=%u:%s", |
| racqa, racqa_str, iekey, rtype, rtype_str); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char *nvmet_trace_resv_rel(struct trace_seq *p, u8 *cdw10) |
| { |
| static const char * const rrela_strs[] = { |
| [0x00] = "release", |
| [0x01] = "clear", |
| }; |
| const char *ret = trace_seq_buffer_ptr(p); |
| u8 rrela = cdw10[0] & 0x7; |
| u8 iekey = (cdw10[0] >> 3) & 0x1; |
| u8 rtype = cdw10[1]; |
| const char *rrela_str = "reserved"; |
| const char *rtype_str = "reserved"; |
| |
| if (rrela < ARRAY_SIZE(rrela_strs) && rrela_strs[rrela]) |
| rrela_str = rrela_strs[rrela]; |
| |
| if (rtype < ARRAY_SIZE(rtype_strs) && rtype_strs[rtype]) |
| rtype_str = rtype_strs[rtype]; |
| |
| trace_seq_printf(p, "rrela=%u:%s, iekey=%u, rtype=%u:%s", |
| rrela, rrela_str, iekey, rtype, rtype_str); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| static const char *nvmet_trace_resv_report(struct trace_seq *p, u8 *cdw10) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u32 numd = get_unaligned_le32(cdw10); |
| u8 eds = cdw10[4] & 0x1; |
| |
| trace_seq_printf(p, "numd=%u, eds=%u", numd, eds); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| const char *nvmet_trace_parse_nvm_cmd(struct trace_seq *p, |
| u8 opcode, u8 *cdw10) |
| { |
| switch (opcode) { |
| case nvme_cmd_read: |
| case nvme_cmd_write: |
| case nvme_cmd_write_zeroes: |
| case nvme_cmd_zone_append: |
| return nvmet_trace_read_write(p, cdw10); |
| case nvme_cmd_dsm: |
| return nvmet_trace_dsm(p, cdw10); |
| case nvme_cmd_zone_mgmt_send: |
| return nvmet_trace_zone_mgmt_send(p, cdw10); |
| case nvme_cmd_zone_mgmt_recv: |
| return nvmet_trace_zone_mgmt_recv(p, cdw10); |
| case nvme_cmd_resv_register: |
| return nvmet_trace_resv_reg(p, cdw10); |
| case nvme_cmd_resv_acquire: |
| return nvmet_trace_resv_acq(p, cdw10); |
| case nvme_cmd_resv_release: |
| return nvmet_trace_resv_rel(p, cdw10); |
| case nvme_cmd_resv_report: |
| return nvmet_trace_resv_report(p, cdw10); |
| default: |
| return nvmet_trace_common(p, cdw10); |
| } |
| } |
| |
| static const char *nvmet_trace_fabrics_property_set(struct trace_seq *p, |
| u8 *spc) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u8 attrib = spc[0]; |
| u32 ofst = get_unaligned_le32(spc + 4); |
| u64 value = get_unaligned_le64(spc + 8); |
| |
| trace_seq_printf(p, "attrib=%u, ofst=0x%x, value=0x%llx", |
| attrib, ofst, value); |
| trace_seq_putc(p, 0); |
| return ret; |
| } |
| |
| static const char *nvmet_trace_fabrics_connect(struct trace_seq *p, |
| u8 *spc) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u16 recfmt = get_unaligned_le16(spc); |
| u16 qid = get_unaligned_le16(spc + 2); |
| u16 sqsize = get_unaligned_le16(spc + 4); |
| u8 cattr = spc[6]; |
| u32 kato = get_unaligned_le32(spc + 8); |
| |
| trace_seq_printf(p, "recfmt=%u, qid=%u, sqsize=%u, cattr=%u, kato=%u", |
| recfmt, qid, sqsize, cattr, kato); |
| trace_seq_putc(p, 0); |
| return ret; |
| } |
| |
| static const char *nvmet_trace_fabrics_property_get(struct trace_seq *p, |
| u8 *spc) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u8 attrib = spc[0]; |
| u32 ofst = get_unaligned_le32(spc + 4); |
| |
| trace_seq_printf(p, "attrib=%u, ofst=0x%x", attrib, ofst); |
| trace_seq_putc(p, 0); |
| return ret; |
| } |
| |
| static const char *nvmet_trace_fabrics_auth_send(struct trace_seq *p, u8 *spc) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u8 spsp0 = spc[1]; |
| u8 spsp1 = spc[2]; |
| u8 secp = spc[3]; |
| u32 tl = get_unaligned_le32(spc + 4); |
| |
| trace_seq_printf(p, "spsp0=%02x, spsp1=%02x, secp=%02x, tl=%u", |
| spsp0, spsp1, secp, tl); |
| trace_seq_putc(p, 0); |
| return ret; |
| } |
| |
| static const char *nvmet_trace_fabrics_auth_receive(struct trace_seq *p, u8 *spc) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| u8 spsp0 = spc[1]; |
| u8 spsp1 = spc[2]; |
| u8 secp = spc[3]; |
| u32 al = get_unaligned_le32(spc + 4); |
| |
| trace_seq_printf(p, "spsp0=%02x, spsp1=%02x, secp=%02x, al=%u", |
| spsp0, spsp1, secp, al); |
| trace_seq_putc(p, 0); |
| return ret; |
| } |
| |
| static const char *nvmet_trace_fabrics_common(struct trace_seq *p, u8 *spc) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| |
| trace_seq_printf(p, "specific=%*ph", 24, spc); |
| trace_seq_putc(p, 0); |
| return ret; |
| } |
| |
| const char *nvmet_trace_parse_fabrics_cmd(struct trace_seq *p, |
| u8 fctype, u8 *spc) |
| { |
| switch (fctype) { |
| case nvme_fabrics_type_property_set: |
| return nvmet_trace_fabrics_property_set(p, spc); |
| case nvme_fabrics_type_connect: |
| return nvmet_trace_fabrics_connect(p, spc); |
| case nvme_fabrics_type_property_get: |
| return nvmet_trace_fabrics_property_get(p, spc); |
| case nvme_fabrics_type_auth_send: |
| return nvmet_trace_fabrics_auth_send(p, spc); |
| case nvme_fabrics_type_auth_receive: |
| return nvmet_trace_fabrics_auth_receive(p, spc); |
| default: |
| return nvmet_trace_fabrics_common(p, spc); |
| } |
| } |
| |
| const char *nvmet_trace_disk_name(struct trace_seq *p, char *name) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| |
| if (*name) |
| trace_seq_printf(p, "disk=%s, ", name); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
| const char *nvmet_trace_ctrl_id(struct trace_seq *p, u16 ctrl_id) |
| { |
| const char *ret = trace_seq_buffer_ptr(p); |
| |
| /* |
| * XXX: We don't know the controller instance before executing the |
| * connect command itself because the connect command for the admin |
| * queue will not provide the cntlid which will be allocated in this |
| * command. In case of io queues, the controller instance will be |
| * mapped by the extra data of the connect command. |
| * If we can know the extra data of the connect command in this stage, |
| * we can update this print statement later. |
| */ |
| if (ctrl_id) |
| trace_seq_printf(p, "%d", ctrl_id); |
| else |
| trace_seq_printf(p, "_"); |
| trace_seq_putc(p, 0); |
| |
| return ret; |
| } |
| |
