diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2022-03-04 15:31:23 +0000 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2022-03-04 15:31:23 +0000 |
commit | 3d1fbc59665ff8a5d74b0fd30583044fe99e1117 (patch) | |
tree | 4e692b7e1a802e24a8bdac12a06fe4295b24aa18 /hw | |
parent | 4c1d764d586f2dd126285a11cddb4ec683d033fa (diff) | |
parent | 44219b6029fc52d5e967a963be91a9cf33f9f185 (diff) |
Merge remote-tracking branch 'remotes/nvme/tags/nvme-next-pull-request' into staging
hw/nvme updates
- add enhanced protection information (64-bit guard)
# gpg: Signature made Fri 04 Mar 2022 06:23:36 GMT
# gpg: using RSA key 522833AA75E2DCE6A24766C04DE1AF316D4F0DE9
# gpg: Good signature from "Klaus Jensen <its@irrelevant.dk>" [unknown]
# gpg: aka "Klaus Jensen <k.jensen@samsung.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: DDCA 4D9C 9EF9 31CC 3468 4272 63D5 6FC5 E55D A838
# Subkey fingerprint: 5228 33AA 75E2 DCE6 A247 66C0 4DE1 AF31 6D4F 0DE9
* remotes/nvme/tags/nvme-next-pull-request:
hw/nvme: 64-bit pi support
hw/nvme: add pi tuple size helper
hw/nvme: add support for the lbafee hbs feature
hw/nvme: move format parameter parsing
hw/nvme: add host behavior support feature
hw/nvme: move dif/pi prototypes into dif.h
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/nvme/ctrl.c | 235 | ||||
-rw-r--r-- | hw/nvme/dif.c | 300 | ||||
-rw-r--r-- | hw/nvme/dif.h | 191 | ||||
-rw-r--r-- | hw/nvme/ns.c | 50 | ||||
-rw-r--r-- | hw/nvme/nvme.h | 58 | ||||
-rw-r--r-- | hw/nvme/trace-events | 12 |
6 files changed, 687 insertions, 159 deletions
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 98aac98bef..03760ddeae 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -163,6 +163,7 @@ #include "migration/vmstate.h" #include "nvme.h" +#include "dif.h" #include "trace.h" #define NVME_MAX_IOQPAIRS 0xffff @@ -195,6 +196,7 @@ static const bool nvme_feature_support[NVME_FID_MAX] = { [NVME_WRITE_ATOMICITY] = true, [NVME_ASYNCHRONOUS_EVENT_CONF] = true, [NVME_TIMESTAMP] = true, + [NVME_HOST_BEHAVIOR_SUPPORT] = true, [NVME_COMMAND_SET_PROFILE] = true, }; @@ -205,6 +207,7 @@ static const uint32_t nvme_feature_cap[NVME_FID_MAX] = { [NVME_NUMBER_OF_QUEUES] = NVME_FEAT_CAP_CHANGE, [NVME_ASYNCHRONOUS_EVENT_CONF] = NVME_FEAT_CAP_CHANGE, [NVME_TIMESTAMP] = NVME_FEAT_CAP_CHANGE, + [NVME_HOST_BEHAVIOR_SUPPORT] = NVME_FEAT_CAP_CHANGE, [NVME_COMMAND_SET_PROFILE] = NVME_FEAT_CAP_CHANGE, }; @@ -1065,7 +1068,8 @@ static uint16_t nvme_map_data(NvmeCtrl *n, uint32_t nlb, NvmeRequest *req) size_t len = nvme_l2b(ns, nlb); uint16_t status; - if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { + if (nvme_ns_ext(ns) && + !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { NvmeSg sg; len += nvme_m2b(ns, nlb); @@ -1244,7 +1248,8 @@ uint16_t nvme_bounce_data(NvmeCtrl *n, void *ptr, uint32_t len, bool pi = !!NVME_ID_NS_DPS_TYPE(ns->id_ns.dps); bool pract = !!(le16_to_cpu(rw->control) & NVME_RW_PRINFO_PRACT); - if (nvme_ns_ext(ns) && !(pi && pract && ns->lbaf.ms == 8)) { + if (nvme_ns_ext(ns) && + !(pi && pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { return nvme_tx_interleaved(n, &req->sg, ptr, len, ns->lbasz, ns->lbaf.ms, 0, dir); } @@ -2045,9 +2050,12 @@ static void nvme_verify_cb(void *opaque, int ret) uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); uint16_t apptag = le16_to_cpu(rw->apptag); uint16_t appmask = le16_to_cpu(rw->appmask); - uint32_t reftag = le32_to_cpu(rw->reftag); + uint64_t reftag = le32_to_cpu(rw->reftag); + uint64_t cdw3 = le32_to_cpu(rw->cdw3); uint16_t status; + reftag |= cdw3 << 32; + trace_pci_nvme_verify_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); if (ret) { @@ -2136,7 +2144,8 @@ static void nvme_compare_mdata_cb(void *opaque, int ret) uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); uint16_t apptag = le16_to_cpu(rw->apptag); uint16_t appmask = le16_to_cpu(rw->appmask); - uint32_t reftag = le32_to_cpu(rw->reftag); + uint64_t reftag = le32_to_cpu(rw->reftag); + uint64_t cdw3 = le32_to_cpu(rw->cdw3); struct nvme_compare_ctx *ctx = req->opaque; g_autofree uint8_t *buf = NULL; BlockBackend *blk = ns->blkconf.blk; @@ -2144,6 +2153,8 @@ static void nvme_compare_mdata_cb(void *opaque, int ret) BlockAcctStats *stats = blk_get_stats(blk); uint16_t status = NVME_SUCCESS; + reftag |= cdw3 << 32; + trace_pci_nvme_compare_mdata_cb(nvme_cid(req)); if (ret) { @@ -2181,7 +2192,7 @@ static void nvme_compare_mdata_cb(void *opaque, int ret) * tuple. */ if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { - pil = ns->lbaf.ms - sizeof(NvmeDifTuple); + pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); } for (bufp = buf; mbufp < end; bufp += ns->lbaf.ms, mbufp += ns->lbaf.ms) { @@ -2522,7 +2533,8 @@ typedef struct NvmeCopyAIOCB { QEMUBH *bh; int ret; - NvmeCopySourceRange *ranges; + void *ranges; + unsigned int format; int nr; int idx; @@ -2533,7 +2545,7 @@ typedef struct NvmeCopyAIOCB { BlockAcctCookie write; } acct; - uint32_t reftag; + uint64_t reftag; uint64_t slba; NvmeZone *zone; @@ -2587,13 +2599,101 @@ static void nvme_copy_bh(void *opaque) static void nvme_copy_cb(void *opaque, int ret); +static void nvme_copy_source_range_parse_format0(void *ranges, int idx, + uint64_t *slba, uint32_t *nlb, + uint16_t *apptag, + uint16_t *appmask, + uint64_t *reftag) +{ + NvmeCopySourceRangeFormat0 *_ranges = ranges; + + if (slba) { + *slba = le64_to_cpu(_ranges[idx].slba); + } + + if (nlb) { + *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; + } + + if (apptag) { + *apptag = le16_to_cpu(_ranges[idx].apptag); + } + + if (appmask) { + *appmask = le16_to_cpu(_ranges[idx].appmask); + } + + if (reftag) { + *reftag = le32_to_cpu(_ranges[idx].reftag); + } +} + +static void nvme_copy_source_range_parse_format1(void *ranges, int idx, + uint64_t *slba, uint32_t *nlb, + uint16_t *apptag, + uint16_t *appmask, + uint64_t *reftag) +{ + NvmeCopySourceRangeFormat1 *_ranges = ranges; + + if (slba) { + *slba = le64_to_cpu(_ranges[idx].slba); + } + + if (nlb) { + *nlb = le16_to_cpu(_ranges[idx].nlb) + 1; + } + + if (apptag) { + *apptag = le16_to_cpu(_ranges[idx].apptag); + } + + if (appmask) { + *appmask = le16_to_cpu(_ranges[idx].appmask); + } + + if (reftag) { + *reftag = 0; + + *reftag |= (uint64_t)_ranges[idx].sr[4] << 40; + *reftag |= (uint64_t)_ranges[idx].sr[5] << 32; + *reftag |= (uint64_t)_ranges[idx].sr[6] << 24; + *reftag |= (uint64_t)_ranges[idx].sr[7] << 16; + *reftag |= (uint64_t)_ranges[idx].sr[8] << 8; + *reftag |= (uint64_t)_ranges[idx].sr[9]; + } +} + +static void nvme_copy_source_range_parse(void *ranges, int idx, uint8_t format, + uint64_t *slba, uint32_t *nlb, + uint16_t *apptag, uint16_t *appmask, + uint64_t *reftag) +{ + switch (format) { + case NVME_COPY_FORMAT_0: + nvme_copy_source_range_parse_format0(ranges, idx, slba, nlb, apptag, + appmask, reftag); + break; + + case NVME_COPY_FORMAT_1: + nvme_copy_source_range_parse_format1(ranges, idx, slba, nlb, apptag, + appmask, reftag); + break; + + default: + abort(); + } +} + static void nvme_copy_out_completed_cb(void *opaque, int ret) { NvmeCopyAIOCB *iocb = opaque; NvmeRequest *req = iocb->req; NvmeNamespace *ns = req->ns; - NvmeCopySourceRange *range = &iocb->ranges[iocb->idx]; - uint32_t nlb = le32_to_cpu(range->nlb) + 1; + uint32_t nlb; + + nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, + &nlb, NULL, NULL, NULL); if (ret < 0) { iocb->ret = ret; @@ -2617,7 +2717,6 @@ static void nvme_copy_out_cb(void *opaque, int ret) NvmeCopyAIOCB *iocb = opaque; NvmeRequest *req = iocb->req; NvmeNamespace *ns = req->ns; - NvmeCopySourceRange *range; uint32_t nlb; size_t mlen; uint8_t *mbounce; @@ -2634,8 +2733,8 @@ static void nvme_copy_out_cb(void *opaque, int ret) return; } - range = &iocb->ranges[iocb->idx]; - nlb = le32_to_cpu(range->nlb) + 1; + nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, NULL, + &nlb, NULL, NULL, NULL); mlen = nvme_m2b(ns, nlb); mbounce = iocb->bounce + nvme_l2b(ns, nlb); @@ -2658,8 +2757,10 @@ static void nvme_copy_in_completed_cb(void *opaque, int ret) NvmeCopyAIOCB *iocb = opaque; NvmeRequest *req = iocb->req; NvmeNamespace *ns = req->ns; - NvmeCopySourceRange *range; uint32_t nlb; + uint64_t slba; + uint16_t apptag, appmask; + uint64_t reftag; size_t len; uint16_t status; @@ -2670,8 +2771,8 @@ static void nvme_copy_in_completed_cb(void *opaque, int ret) goto out; } - range = &iocb->ranges[iocb->idx]; - nlb = le32_to_cpu(range->nlb) + 1; + nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, + &nlb, &apptag, &appmask, &reftag); len = nvme_l2b(ns, nlb); trace_pci_nvme_copy_out(iocb->slba, nlb); @@ -2682,11 +2783,6 @@ static void nvme_copy_in_completed_cb(void *opaque, int ret) uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); - uint16_t apptag = le16_to_cpu(range->apptag); - uint16_t appmask = le16_to_cpu(range->appmask); - uint32_t reftag = le32_to_cpu(range->reftag); - - uint64_t slba = le64_to_cpu(range->slba); size_t mlen = nvme_m2b(ns, nlb); uint8_t *mbounce = iocb->bounce + nvme_l2b(ns, nlb); @@ -2759,7 +2855,6 @@ static void nvme_copy_in_cb(void *opaque, int ret) NvmeCopyAIOCB *iocb = opaque; NvmeRequest *req = iocb->req; NvmeNamespace *ns = req->ns; - NvmeCopySourceRange *range; uint64_t slba; uint32_t nlb; @@ -2775,9 +2870,8 @@ static void nvme_copy_in_cb(void *opaque, int ret) return; } - range = &iocb->ranges[iocb->idx]; - slba = le64_to_cpu(range->slba); - nlb = le32_to_cpu(range->nlb) + 1; + nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, + &nlb, NULL, NULL, NULL); qemu_iovec_reset(&iocb->iov); qemu_iovec_add(&iocb->iov, iocb->bounce + nvme_l2b(ns, nlb), @@ -2797,7 +2891,6 @@ static void nvme_copy_cb(void *opaque, int ret) NvmeCopyAIOCB *iocb = opaque; NvmeRequest *req = iocb->req; NvmeNamespace *ns = req->ns; - NvmeCopySourceRange *range; uint64_t slba; uint32_t nlb; size_t len; @@ -2814,9 +2907,8 @@ static void nvme_copy_cb(void *opaque, int ret) goto done; } - range = &iocb->ranges[iocb->idx]; - slba = le64_to_cpu(range->slba); - nlb = le32_to_cpu(range->nlb) + 1; + nvme_copy_source_range_parse(iocb->ranges, iocb->idx, iocb->format, &slba, + &nlb, NULL, NULL, NULL); len = nvme_l2b(ns, nlb); trace_pci_nvme_copy_source_range(slba, nlb); @@ -2872,6 +2964,7 @@ static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) uint8_t format = copy->control[0] & 0xf; uint16_t prinfor = ((copy->control[0] >> 4) & 0xf); uint16_t prinfow = ((copy->control[2] >> 2) & 0xf); + size_t len = sizeof(NvmeCopySourceRangeFormat0); uint16_t status; @@ -2897,10 +2990,18 @@ static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) goto invalid; } - iocb->ranges = g_new(NvmeCopySourceRange, nr); + if (ns->pif && format != 0x1) { + status = NVME_INVALID_FORMAT | NVME_DNR; + goto invalid; + } - status = nvme_h2c(n, (uint8_t *)iocb->ranges, - sizeof(NvmeCopySourceRange) * nr, req); + if (ns->pif) { + len = sizeof(NvmeCopySourceRangeFormat1); + } + + iocb->format = format; + iocb->ranges = g_malloc_n(nr, len); + status = nvme_h2c(n, (uint8_t *)iocb->ranges, len * nr, req); if (status) { goto invalid; } @@ -2926,6 +3027,7 @@ static uint16_t nvme_copy(NvmeCtrl *n, NvmeRequest *req) iocb->nr = nr; iocb->idx = 0; iocb->reftag = le32_to_cpu(copy->reftag); + iocb->reftag |= (uint64_t)le32_to_cpu(copy->cdw3) << 32; iocb->bounce = g_malloc_n(le16_to_cpu(ns->id_ns.mssrl), ns->lbasz + ns->lbaf.ms); @@ -3164,7 +3266,7 @@ static uint16_t nvme_read(NvmeCtrl *n, NvmeRequest *req) if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { bool pract = prinfo & NVME_PRINFO_PRACT; - if (pract && ns->lbaf.ms == 8) { + if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { mapped_size = data_size; } } @@ -3241,7 +3343,7 @@ static uint16_t nvme_do_write(NvmeCtrl *n, NvmeRequest *req, bool append, if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { bool pract = prinfo & NVME_PRINFO_PRACT; - if (pract && ns->lbaf.ms == 8) { + if (pract && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { mapped_size -= nvme_m2b(ns, nlb); } } @@ -4712,7 +4814,8 @@ static uint16_t nvme_identify_ns_csi(NvmeCtrl *n, NvmeRequest *req, } if (c->csi == NVME_CSI_NVM) { - return nvme_rpt_empty_id_struct(n, req); + return nvme_c2h(n, (uint8_t *)&ns->id_ns_nvm, sizeof(NvmeIdNsNvm), + req); } else if (c->csi == NVME_CSI_ZONED && ns->csi == NVME_CSI_ZONED) { return nvme_c2h(n, (uint8_t *)ns->id_ns_zoned, sizeof(NvmeIdNsZoned), req); @@ -5090,6 +5193,9 @@ static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req) goto out; case NVME_TIMESTAMP: return nvme_get_feature_timestamp(n, req); + case NVME_HOST_BEHAVIOR_SUPPORT: + return nvme_c2h(n, (uint8_t *)&n->features.hbs, + sizeof(n->features.hbs), req); default: break; } @@ -5159,6 +5265,7 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) uint32_t nsid = le32_to_cpu(cmd->nsid); uint8_t fid = NVME_GETSETFEAT_FID(dw10); uint8_t save = NVME_SETFEAT_SAVE(dw10); + uint16_t status; int i; trace_pci_nvme_setfeat(nvme_cid(req), nsid, fid, save, dw11); @@ -5280,6 +5387,27 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req) break; case NVME_TIMESTAMP: return nvme_set_feature_timestamp(n, req); + case NVME_HOST_BEHAVIOR_SUPPORT: + status = nvme_h2c(n, (uint8_t *)&n->features.hbs, + sizeof(n->features.hbs), req); + if (status) { + return status; + } + + for (i = 1; i <= NVME_MAX_NAMESPACES; i++) { + ns = nvme_ns(n, i); + + if (!ns) { + continue; + } + + ns->id_ns.nlbaf = ns->nlbaf - 1; + if (!n->features.hbs.lbafee) { + ns->id_ns.nlbaf = MIN(ns->id_ns.nlbaf, 15); + } + } + + return status; case NVME_COMMAND_SET_PROFILE: if (dw11 & 0x1ff) { trace_pci_nvme_err_invalid_iocsci(dw11 & 0x1ff); @@ -5443,6 +5571,11 @@ typedef struct NvmeFormatAIOCB { uint32_t nsid; bool broadcast; int64_t offset; + + uint8_t lbaf; + uint8_t mset; + uint8_t pi; + uint8_t pil; } NvmeFormatAIOCB; static void nvme_format_bh(void *opaque); @@ -5462,18 +5595,16 @@ static const AIOCBInfo nvme_format_aiocb_info = { .get_aio_context = nvme_get_aio_context, }; -static void nvme_format_set(NvmeNamespace *ns, NvmeCmd *cmd) +static void nvme_format_set(NvmeNamespace *ns, uint8_t lbaf, uint8_t mset, + uint8_t pi, uint8_t pil) { - uint32_t dw10 = le32_to_cpu(cmd->cdw10); - uint8_t lbaf = dw10 & 0xf; - uint8_t pi = (dw10 >> 5) & 0x7; - uint8_t mset = (dw10 >> 4) & 0x1; - uint8_t pil = (dw10 >> 8) & 0x1; + uint8_t lbafl = lbaf & 0xf; + uint8_t lbafu = lbaf >> 4; trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil); ns->id_ns.dps = (pil << 3) | pi; - ns->id_ns.flbas = lbaf | (mset << 4); + ns->id_ns.flbas = (lbafu << 5) | (mset << 4) | lbafl; nvme_ns_init_format(ns); } @@ -5481,7 +5612,6 @@ static void nvme_format_set(NvmeNamespace *ns, NvmeCmd *cmd) static void nvme_format_ns_cb(void *opaque, int ret) { NvmeFormatAIOCB *iocb = opaque; - NvmeRequest *req = iocb->req; NvmeNamespace *ns = iocb->ns; int bytes; @@ -5503,7 +5633,7 @@ static void nvme_format_ns_cb(void *opaque, int ret) return; } - nvme_format_set(ns, &req->cmd); + nvme_format_set(ns, iocb->lbaf, iocb->mset, iocb->pi, iocb->pil); ns->status = 0x0; iocb->ns = NULL; iocb->offset = 0; @@ -5523,7 +5653,7 @@ static uint16_t nvme_format_check(NvmeNamespace *ns, uint8_t lbaf, uint8_t pi) return NVME_INVALID_FORMAT | NVME_DNR; } - if (pi && (ns->id_ns.lbaf[lbaf].ms < sizeof(NvmeDifTuple))) { + if (pi && (ns->id_ns.lbaf[lbaf].ms < nvme_pi_tuple_size(ns))) { return NVME_INVALID_FORMAT | NVME_DNR; } @@ -5586,6 +5716,12 @@ static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) { NvmeFormatAIOCB *iocb; uint32_t nsid = le32_to_cpu(req->cmd.nsid); + uint32_t dw10 = le32_to_cpu(req->cmd.cdw10); + uint8_t lbaf = dw10 & 0xf; + uint8_t mset = (dw10 >> 4) & 0x1; + uint8_t pi = (dw10 >> 5) & 0x7; + uint8_t pil = (dw10 >> 8) & 0x1; + uint8_t lbafu = (dw10 >> 12) & 0x3; uint16_t status; iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req); @@ -5595,9 +5731,17 @@ static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req) iocb->ret = 0; iocb->ns = NULL; iocb->nsid = 0; + iocb->lbaf = lbaf; + iocb->mset = mset; + iocb->pi = pi; + iocb->pil = pil; iocb->broadcast = (nsid == NVME_NSID_BROADCAST); iocb->offset = 0; + if (n->features.hbs.lbafee) { + iocb->lbaf |= lbafu << 4; + } + if (!iocb->broadcast) { if (!nvme_nsid_valid(n, nsid)) { status = NVME_INVALID_NSID | NVME_DNR; @@ -6573,6 +6717,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) id->cntlid = cpu_to_le16(n->cntlid); id->oaes = cpu_to_le32(NVME_OAES_NS_ATTR); + id->ctratt |= cpu_to_le32(NVME_CTRATT_ELBAS); id->rab = 6; @@ -6627,7 +6772,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) */ id->vwc = NVME_VWC_NSID_BROADCAST_SUPPORT | NVME_VWC_PRESENT; - id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0); + id->ocfs = cpu_to_le16(NVME_OCFS_COPY_FORMAT_0 | NVME_OCFS_COPY_FORMAT_1); id->sgls = cpu_to_le32(NVME_CTRL_SGLS_SUPPORT_NO_ALIGN | NVME_CTRL_SGLS_BITBUCKET); diff --git a/hw/nvme/dif.c b/hw/nvme/dif.c index 5dbd18b2a4..62d885f83e 100644 --- a/hw/nvme/dif.c +++ b/hw/nvme/dif.c @@ -13,13 +13,16 @@ #include "sysemu/block-backend.h" #include "nvme.h" +#include "dif.h" #include "trace.h" uint16_t nvme_check_prinfo(NvmeNamespace *ns, uint8_t prinfo, uint64_t slba, - uint32_t reftag) + uint64_t reftag) { + uint64_t mask = ns->pif ? 0xffffffffffff : 0xffffffff; + if ((NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) == NVME_ID_NS_DPS_TYPE_1) && - (prinfo & NVME_PRINFO_PRCHK_REF) && (slba & 0xffffffff) != reftag) { + (prinfo & NVME_PRINFO_PRCHK_REF) && (slba & mask) != reftag) { return NVME_INVALID_PROT_INFO | NVME_DNR; } @@ -27,43 +30,58 @@ uint16_t nvme_check_prinfo(NvmeNamespace *ns, uint8_t prinfo, uint64_t slba, } /* from Linux kernel (crypto/crct10dif_common.c) */ -static uint16_t crc_t10dif(uint16_t crc, const unsigned char *buffer, - size_t len) +static uint16_t crc16_t10dif(uint16_t crc, const unsigned char *buffer, + size_t len) { unsigned int i; for (i = 0; i < len; i++) { - crc = (crc << 8) ^ t10_dif_crc_table[((crc >> 8) ^ buffer[i]) & 0xff]; + crc = (crc << 8) ^ crc16_t10dif_table[((crc >> 8) ^ buffer[i]) & 0xff]; } return crc; } -void nvme_dif_pract_generate_dif(NvmeNamespace *ns, uint8_t *buf, size_t len, - uint8_t *mbuf, size_t mlen, uint16_t apptag, - uint32_t *reftag) +/* from Linux kernel (lib/crc64.c) */ +static uint64_t crc64_nvme(uint64_t crc, const unsigned char *buffer, + size_t len) +{ + size_t i; + + for (i = 0; i < len; i++) { + crc = (crc >> 8) ^ crc64_nvme_table[(crc & 0xff) ^ buffer[i]]; + } + + return crc ^ (uint64_t)~0; +} + +static void nvme_dif_pract_generate_dif_crc16(NvmeNamespace *ns, uint8_t *buf, + size_t len, uint8_t *mbuf, + size_t mlen, uint16_t apptag, + uint64_t *reftag) { uint8_t *end = buf + len; int16_t pil = 0; if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { - pil = ns->lbaf.ms - sizeof(NvmeDifTuple); + pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); } - trace_pci_nvme_dif_pract_generate_dif(len, ns->lbasz, ns->lbasz + pil, - apptag, *reftag); + trace_pci_nvme_dif_pract_generate_dif_crc16(len, ns->lbasz, + ns->lbasz + pil, apptag, + *reftag); for (; buf < end; buf += ns->lbasz, mbuf += ns->lbaf.ms) { NvmeDifTuple *dif = (NvmeDifTuple *)(mbuf + pil); - uint16_t crc = crc_t10dif(0x0, buf, ns->lbasz); + uint16_t crc = crc16_t10dif(0x0, buf, ns->lbasz); if (pil) { - crc = crc_t10dif(crc, mbuf, pil); + crc = crc16_t10dif(crc, mbuf, pil); } - dif->guard = cpu_to_be16(crc); - dif->apptag = cpu_to_be16(apptag); - dif->reftag = cpu_to_be32(*reftag); + dif->g16.guard = cpu_to_be16(crc); + dif->g16.apptag = cpu_to_be16(apptag); + dif->g16.reftag = cpu_to_be32(*reftag); if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) != NVME_ID_NS_DPS_TYPE_3) { (*reftag)++; @@ -71,57 +89,114 @@ void nvme_dif_pract_generate_dif(NvmeNamespace *ns, uint8_t *buf, size_t len, } } -static uint16_t nvme_dif_prchk(NvmeNamespace *ns, NvmeDifTuple *dif, - uint8_t *buf, uint8_t *mbuf, size_t pil, - uint8_t prinfo, uint16_t apptag, - uint16_t appmask, uint32_t reftag) +static void nvme_dif_pract_generate_dif_crc64(NvmeNamespace *ns, uint8_t *buf, + size_t len, uint8_t *mbuf, + size_t mlen, uint16_t apptag, + uint64_t *reftag) +{ + uint8_t *end = buf + len; + int16_t pil = 0; + + if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { + pil = ns->lbaf.ms - 16; + } + + trace_pci_nvme_dif_pract_generate_dif_crc64(len, ns->lbasz, + ns->lbasz + pil, apptag, + *reftag); + + for (; buf < end; buf += ns->lbasz, mbuf += ns->lbaf.ms) { + NvmeDifTuple *dif = (NvmeDifTuple *)(mbuf + pil); + uint64_t crc = crc64_nvme(~0ULL, buf, ns->lbasz); + + if (pil) { + crc = crc64_nvme(crc, mbuf, pil); + } + + dif->g64.guard = cpu_to_be64(crc); + dif->g64.apptag = cpu_to_be16(apptag); + + dif->g64.sr[0] = *reftag >> 40; + dif->g64.sr[1] = *reftag >> 32; + dif->g64.sr[2] = *reftag >> 24; + dif->g64.sr[3] = *reftag >> 16; + dif->g64.sr[4] = *reftag >> 8; + dif->g64.sr[5] = *reftag; + + if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) != NVME_ID_NS_DPS_TYPE_3) { + (*reftag)++; + } + } +} + +void nvme_dif_pract_generate_dif(NvmeNamespace *ns, uint8_t *buf, size_t len, + uint8_t *mbuf, size_t mlen, uint16_t apptag, + uint64_t *reftag) +{ + switch (ns->pif) { + case NVME_PI_GUARD_16: + return nvme_dif_pract_generate_dif_crc16(ns, buf, len, mbuf, mlen, + apptag, reftag); + case NVME_PI_GUARD_64: + return nvme_dif_pract_generate_dif_crc64(ns, buf, len, mbuf, mlen, + apptag, reftag); + } + + abort(); +} + +static uint16_t nvme_dif_prchk_crc16(NvmeNamespace *ns, NvmeDifTuple *dif, + uint8_t *buf, uint8_t *mbuf, size_t pil, + uint8_t prinfo, uint16_t apptag, + uint16_t appmask, uint64_t reftag) { switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { case NVME_ID_NS_DPS_TYPE_3: - if (be32_to_cpu(dif->reftag) != 0xffffffff) { + if (be32_to_cpu(dif->g16.reftag) != 0xffffffff) { break; } /* fallthrough */ case NVME_ID_NS_DPS_TYPE_1: case NVME_ID_NS_DPS_TYPE_2: - if (be16_to_cpu(dif->apptag) != 0xffff) { + if (be16_to_cpu(dif->g16.apptag) != 0xffff) { break; } - trace_pci_nvme_dif_prchk_disabled(be16_to_cpu(dif->apptag), - be32_to_cpu(dif->reftag)); + trace_pci_nvme_dif_prchk_disabled_crc16(be16_to_cpu(dif->g16.apptag), + be32_to_cpu(dif->g16.reftag)); return NVME_SUCCESS; } if (prinfo & NVME_PRINFO_PRCHK_GUARD) { - uint16_t crc = crc_t10dif(0x0, buf, ns->lbasz); + uint16_t crc = crc16_t10dif(0x0, buf, ns->lbasz); if (pil) { - crc = crc_t10dif(crc, mbuf, pil); + crc = crc16_t10dif(crc, mbuf, pil); } - trace_pci_nvme_dif_prchk_guard(be16_to_cpu(dif->guard), crc); + trace_pci_nvme_dif_prchk_guard_crc16(be16_to_cpu(dif->g16.guard), crc); - if (be16_to_cpu(dif->guard) != crc) { + if (be16_to_cpu(dif->g16.guard) != crc) { return NVME_E2E_GUARD_ERROR; } } if (prinfo & NVME_PRINFO_PRCHK_APP) { - trace_pci_nvme_dif_prchk_apptag(be16_to_cpu(dif->apptag), apptag, + trace_pci_nvme_dif_prchk_apptag(be16_to_cpu(dif->g16.apptag), apptag, appmask); - if ((be16_to_cpu(dif->apptag) & appmask) != (apptag & appmask)) { + if ((be16_to_cpu(dif->g16.apptag) & appmask) != (apptag & appmask)) { return NVME_E2E_APP_ERROR; } } if (prinfo & NVME_PRINFO_PRCHK_REF) { - trace_pci_nvme_dif_prchk_reftag(be32_to_cpu(dif->reftag), reftag); + trace_pci_nvme_dif_prchk_reftag_crc16(be32_to_cpu(dif->g16.reftag), + reftag); - if (be32_to_cpu(dif->reftag) != reftag) { + if (be32_to_cpu(dif->g16.reftag) != reftag) { return NVME_E2E_REF_ERROR; } } @@ -129,12 +204,96 @@ static uint16_t nvme_dif_prchk(NvmeNamespace *ns, NvmeDifTuple *dif, return NVME_SUCCESS; } +static uint16_t nvme_dif_prchk_crc64(NvmeNamespace *ns, NvmeDifTuple *dif, + uint8_t *buf, uint8_t *mbuf, size_t pil, + uint8_t prinfo, uint16_t apptag, + uint16_t appmask, uint64_t reftag) +{ + uint64_t r = 0; + + r |= (uint64_t)dif->g64.sr[0] << 40; + r |= (uint64_t)dif->g64.sr[1] << 32; + r |= (uint64_t)dif->g64.sr[2] << 24; + r |= (uint64_t)dif->g64.sr[3] << 16; + r |= (uint64_t)dif->g64.sr[4] << 8; + r |= (uint64_t)dif->g64.sr[5]; + + switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { + case NVME_ID_NS_DPS_TYPE_3: + if (r != 0xffffffffffff) { + break; + } + + /* fallthrough */ + case NVME_ID_NS_DPS_TYPE_1: + case NVME_ID_NS_DPS_TYPE_2: + if (be16_to_cpu(dif->g64.apptag) != 0xffff) { + break; + } + + trace_pci_nvme_dif_prchk_disabled_crc64(be16_to_cpu(dif->g16.apptag), + r); + + return NVME_SUCCESS; + } + + if (prinfo & NVME_PRINFO_PRCHK_GUARD) { + uint64_t crc = crc64_nvme(~0ULL, buf, ns->lbasz); + + if (pil) { + crc = crc64_nvme(crc, mbuf, pil); + } + + trace_pci_nvme_dif_prchk_guard_crc64(be64_to_cpu(dif->g64.guard), crc); + + if (be64_to_cpu(dif->g64.guard) != crc) { + return NVME_E2E_GUARD_ERROR; + } + } + + if (prinfo & NVME_PRINFO_PRCHK_APP) { + trace_pci_nvme_dif_prchk_apptag(be16_to_cpu(dif->g64.apptag), apptag, + appmask); + + if ((be16_to_cpu(dif->g64.apptag) & appmask) != (apptag & appmask)) { + return NVME_E2E_APP_ERROR; + } + } + + if (prinfo & NVME_PRINFO_PRCHK_REF) { + trace_pci_nvme_dif_prchk_reftag_crc64(r, reftag); + + if (r != reftag) { + return NVME_E2E_REF_ERROR; + } + } + + return NVME_SUCCESS; +} + +static uint16_t nvme_dif_prchk(NvmeNamespace *ns, NvmeDifTuple *dif, + uint8_t *buf, uint8_t *mbuf, size_t pil, + uint8_t prinfo, uint16_t apptag, + uint16_t appmask, uint64_t reftag) +{ + switch (ns->pif) { + case NVME_PI_GUARD_16: + return nvme_dif_prchk_crc16(ns, dif, buf, mbuf, pil, prinfo, apptag, + appmask, reftag); + case NVME_PI_GUARD_64: + return nvme_dif_prchk_crc64(ns, dif, buf, mbuf, pil, prinfo, apptag, + appmask, reftag); + } + + abort(); +} + uint16_t nvme_dif_check(NvmeNamespace *ns, uint8_t *buf, size_t len, uint8_t *mbuf, size_t mlen, uint8_t prinfo, uint64_t slba, uint16_t apptag, - uint16_t appmask, uint32_t *reftag) + uint16_t appmask, uint64_t *reftag) { - uint8_t *end = buf + len; + uint8_t *bufp, *end = buf + len; int16_t pil = 0; uint16_t status; @@ -144,18 +303,34 @@ uint16_t nvme_dif_check(NvmeNamespace *ns, uint8_t *buf, size_t len, } if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { - pil = ns->lbaf.ms - sizeof(NvmeDifTuple); + pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); } trace_pci_nvme_dif_check(prinfo, ns->lbasz + pil); - for (; buf < end; buf += ns->lbasz, mbuf += ns->lbaf.ms) { + for (bufp = buf; bufp < end; bufp += ns->lbasz, mbuf += ns->lbaf.ms) { NvmeDifTuple *dif = (NvmeDifTuple *)(mbuf + pil); - - status = nvme_dif_prchk(ns, dif, buf, mbuf, pil, prinfo, apptag, + status = nvme_dif_prchk(ns, dif, bufp, mbuf, pil, prinfo, apptag, appmask, *reftag); if (status) { - return status; + /* + * The first block of a 'raw' image is always allocated, so we + * cannot reliably know if the block is all zeroes or not. For + * CRC16 this works fine because the T10 CRC16 is 0x0 for all + * zeroes, but the Rocksoft CRC64 is not. Thus, if a guard error is + * detected for the first block, check if it is zeroed and manually + * set the protection information to all ones to disable protection + * information checking. + */ + if (status == NVME_E2E_GUARD_ERROR && slba == 0x0 && bufp == buf) { + g_autofree uint8_t *zeroes = g_malloc0(ns->lbasz); + + if (memcmp(bufp, zeroes, ns->lbasz) == 0) { + memset(mbuf + pil, 0xff, nvme_pi_tuple_size(ns)); + } + } else { + return status; + } } if (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps) != NVME_ID_NS_DPS_TYPE_3) { @@ -183,7 +358,7 @@ uint16_t nvme_dif_mangle_mdata(NvmeNamespace *ns, uint8_t *mbuf, size_t mlen, if (!(ns->id_ns.dps & NVME_ID_NS_DPS_FIRST_EIGHT)) { - pil = ns->lbaf.ms - sizeof(NvmeDifTuple); + pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); } do { @@ -209,7 +384,7 @@ uint16_t nvme_dif_mangle_mdata(NvmeNamespace *ns, uint8_t *mbuf, size_t mlen, end = mbufp + mlen; for (; mbufp < end; mbufp += ns->lbaf.ms) { - memset(mbufp + pil, 0xff, sizeof(NvmeDifTuple)); + memset(mbufp + pil, 0xff, nvme_pi_tuple_size(ns)); } } @@ -251,9 +426,12 @@ static void nvme_dif_rw_check_cb(void *opaque, int ret) uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); uint16_t apptag = le16_to_cpu(rw->apptag); uint16_t appmask = le16_to_cpu(rw->appmask); - uint32_t reftag = le32_to_cpu(rw->reftag); + uint64_t reftag = le32_to_cpu(rw->reftag); + uint64_t cdw3 = le32_to_cpu(rw->cdw3); uint16_t status; + reftag |= cdw3 << 32; + trace_pci_nvme_dif_rw_check_cb(nvme_cid(req), prinfo, apptag, appmask, reftag); @@ -283,7 +461,7 @@ static void nvme_dif_rw_check_cb(void *opaque, int ret) goto out; } - if (prinfo & NVME_PRINFO_PRACT && ns->lbaf.ms == 8) { + if (prinfo & NVME_PRINFO_PRACT && ns->lbaf.ms == nvme_pi_tuple_size(ns)) { goto out; } @@ -367,11 +545,14 @@ uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req) uint8_t prinfo = NVME_RW_PRINFO(le16_to_cpu(rw->control)); uint16_t apptag = le16_to_cpu(rw->apptag); uint16_t appmask = le16_to_cpu(rw->appmask); - uint32_t reftag = le32_to_cpu(rw->reftag); + uint64_t reftag = le32_to_cpu(rw->reftag); + uint64_t cdw3 = le32_to_cpu(rw->cdw3); bool pract = !!(prinfo & NVME_PRINFO_PRACT); NvmeBounceContext *ctx; uint16_t status; + reftag |= cdw3 << 32; + trace_pci_nvme_dif_rw(pract, prinfo); ctx = g_new0(NvmeBounceContext, 1); @@ -387,7 +568,7 @@ uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req) if (pract) { uint8_t *mbuf, *end; - int16_t pil = ns->lbaf.ms - sizeof(NvmeDifTuple); + int16_t pil = ns->lbaf.ms - nvme_pi_tuple_size(ns); status = nvme_check_prinfo(ns, prinfo, slba, reftag); if (status) { @@ -411,8 +592,29 @@ uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req) for (; mbuf < end; mbuf += ns->lbaf.ms) { NvmeDifTuple *dif = (NvmeDifTuple *)(mbuf + pil); - dif->apptag = cpu_to_be16(apptag); - dif->reftag = cpu_to_be32(reftag); + switch (ns->pif) { + case NVME_PI_GUARD_16: + dif->g16.apptag = cpu_to_be16(apptag); + dif->g16.reftag = cpu_to_be32(reftag); + + break; + + case NVME_PI_GUARD_64: + dif->g64.guard = cpu_to_be64(0x6482d367eb22b64e); + dif->g64.apptag = cpu_to_be16(apptag); + + dif->g64.sr[0] = reftag >> 40; + dif->g64.sr[1] = reftag >> 32; + dif->g64.sr[2] = reftag >> 24; + dif->g64.sr[3] = reftag >> 16; + dif->g64.sr[4] = reftag >> 8; + dif->g64.sr[5] = reftag; + + break; + + default: + abort(); + } switch (NVME_ID_NS_DPS_TYPE(ns->id_ns.dps)) { case NVME_ID_NS_DPS_TYPE_1: @@ -427,7 +629,7 @@ uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req) return NVME_NO_COMPLETE; } - if (nvme_ns_ext(ns) && !(pract && ns->lbaf.ms == 8)) { + if (nvme_ns_ext(ns) && !(pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { mapped_len += mlen; } @@ -461,7 +663,7 @@ uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req) qemu_iovec_init(&ctx->mdata.iov, 1); qemu_iovec_add(&ctx->mdata.iov, ctx->mdata.bounce, mlen); - if (!(pract && ns->lbaf.ms == 8)) { + if (!(pract && ns->lbaf.ms == nvme_pi_tuple_size(ns))) { status = nvme_bounce_mdata(n, ctx->mdata.bounce, ctx->mdata.iov.size, NVME_TX_DIRECTION_TO_DEVICE, req); if (status) { diff --git a/hw/nvme/dif.h b/hw/nvme/dif.h new file mode 100644 index 0000000000..f12e312250 --- /dev/null +++ b/hw/nvme/dif.h @@ -0,0 +1,191 @@ +#ifndef HW_NVME_DIF_H +#define HW_NVME_DIF_H + +/* from Linux kernel (crypto/crct10dif_common.c) */ +static const uint16_t crc16_t10dif_table[256] = { + 0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B, + 0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6, + 0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6, + 0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B, + 0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1, + 0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C, + 0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C, + 0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781, + 0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8, + 0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255, + 0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925, + 0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698, + 0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472, + 0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF, + 0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF, + 0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02, + 0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA, + 0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067, + 0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17, + 0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA, + 0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640, + 0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD, + 0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D, + 0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30, + 0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759, + 0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4, + 0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394, + 0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29, + 0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3, + 0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E, + 0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E, + 0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3 +}; + +#define CRC64_NVME_POLY 0x9A6C9329AC4BC9B5ULL + +static const uint64_t crc64_nvme_table[] = { + 0x0000000000000000ULL, 0x7F6EF0C830358979ULL, + 0xFEDDE190606B12F2ULL, 0x81B31158505E9B8BULL, + 0xC962E5739841B68FULL, 0xB60C15BBA8743FF6ULL, + 0x37BF04E3F82AA47DULL, 0x48D1F42BC81F2D04ULL, + 0xA61CECB46814FE75ULL, 0xD9721C7C5821770CULL, + 0x58C10D24087FEC87ULL, 0x27AFFDEC384A65FEULL, + 0x6F7E09C7F05548FAULL, 0x1010F90FC060C183ULL, + 0x91A3E857903E5A08ULL, 0xEECD189FA00BD371ULL, + 0x78E0FF3B88BE6F81ULL, 0x078E0FF3B88BE6F8ULL, + 0x863D1EABE8D57D73ULL, 0xF953EE63D8E0F40AULL, + 0xB1821A4810FFD90EULL, 0xCEECEA8020CA5077ULL, + 0x4F5FFBD87094CBFCULL, 0x30310B1040A14285ULL, + 0xDEFC138FE0AA91F4ULL, 0xA192E347D09F188DULL, + 0x2021F21F80C18306ULL, 0x5F4F02D7B0F40A7FULL, + 0x179EF6FC78EB277BULL, 0x68F0063448DEAE02ULL, + 0xE943176C18803589ULL, 0x962DE7A428B5BCF0ULL, + 0xF1C1FE77117CDF02ULL, 0x8EAF0EBF2149567BULL, + 0x0F1C1FE77117CDF0ULL, 0x7072EF2F41224489ULL, + 0x38A31B04893D698DULL, 0x47CDEBCCB908E0F4ULL, + 0xC67EFA94E9567B7FULL, 0xB9100A5CD963F206ULL, + 0x57DD12C379682177ULL, 0x28B3E20B495DA80EULL, + 0xA900F35319033385ULL, 0xD66E039B2936BAFCULL, + 0x9EBFF7B0E12997F8ULL, 0xE1D10778D11C1E81ULL, + 0x606216208142850AULL, 0x1F0CE6E8B1770C73ULL, + 0x8921014C99C2B083ULL, 0xF64FF184A9F739FAULL, + 0x77FCE0DCF9A9A271ULL, 0x08921014C99C2B08ULL, + 0x4043E43F0183060CULL, 0x3F2D14F731B68F75ULL, + 0xBE9E05AF61E814FEULL, 0xC1F0F56751DD9D87ULL, + 0x2F3DEDF8F1D64EF6ULL, 0x50531D30C1E3C78FULL, + 0xD1E00C6891BD5C04ULL, 0xAE8EFCA0A188D57DULL, + 0xE65F088B6997F879ULL, 0x9931F84359A27100ULL, + 0x1882E91B09FCEA8BULL, 0x67EC19D339C963F2ULL, + 0xD75ADABD7A6E2D6FULL, 0xA8342A754A5BA416ULL, + 0x29873B2D1A053F9DULL, 0x56E9CBE52A30B6E4ULL, + 0x1E383FCEE22F9BE0ULL, 0x6156CF06D21A1299ULL, + 0xE0E5DE5E82448912ULL, 0x9F8B2E96B271006BULL, + 0x71463609127AD31AULL, 0x0E28C6C1224F5A63ULL, + 0x8F9BD7997211C1E8ULL, 0xF0F5275142244891ULL, + 0xB824D37A8A3B6595ULL, 0xC74A23B2BA0EECECULL, + 0x46F932EAEA507767ULL, 0x3997C222DA65FE1EULL, + 0xAFBA2586F2D042EEULL, 0xD0D4D54EC2E5CB97ULL, + 0x5167C41692BB501CULL, 0x2E0934DEA28ED965ULL, + 0x66D8C0F56A91F461ULL, 0x19B6303D5AA47D18ULL, + 0x980521650AFAE693ULL, 0xE76BD1AD3ACF6FEAULL, + 0x09A6C9329AC4BC9BULL, 0x76C839FAAAF135E2ULL, + 0xF77B28A2FAAFAE69ULL, 0x8815D86ACA9A2710ULL, + 0xC0C42C4102850A14ULL, 0xBFAADC8932B0836DULL, + 0x3E19CDD162EE18E6ULL, 0x41773D1952DB919FULL, + 0x269B24CA6B12F26DULL, 0x59F5D4025B277B14ULL, + 0xD846C55A0B79E09FULL, 0xA72835923B4C69E6ULL, + 0xEFF9C1B9F35344E2ULL, 0x90973171C366CD9BULL, + 0x1124202993385610ULL, 0x6E4AD0E1A30DDF69ULL, + 0x8087C87E03060C18ULL, 0xFFE938B633338561ULL, + 0x7E5A29EE636D1EEAULL, 0x0134D92653589793ULL, + 0x49E52D0D9B47BA97ULL, 0x368BDDC5AB7233EEULL, + 0xB738CC9DFB2CA865ULL, 0xC8563C55CB19211CULL, + 0x5E7BDBF1E3AC9DECULL, 0x21152B39D3991495ULL, + 0xA0A63A6183C78F1EULL, 0xDFC8CAA9B3F20667ULL, + 0x97193E827BED2B63ULL, 0xE877CE4A4BD8A21AULL, + 0x69C4DF121B863991ULL, 0x16AA2FDA2BB3B0E8ULL, + 0xF86737458BB86399ULL, 0x8709C78DBB8DEAE0ULL, + 0x06BAD6D5EBD3716BULL, 0x79D4261DDBE6F812ULL, + 0x3105D23613F9D516ULL, 0x4E6B22FE23CC5C6FULL, + 0xCFD833A67392C7E4ULL, 0xB0B6C36E43A74E9DULL, + 0x9A6C9329AC4BC9B5ULL, 0xE50263E19C7E40CCULL, + 0x64B172B9CC20DB47ULL, 0x1BDF8271FC15523EULL, + 0x530E765A340A7F3AULL, 0x2C608692043FF643ULL, + 0xADD397CA54616DC8ULL, 0xD2BD67026454E4B1ULL, + 0x3C707F9DC45F37C0ULL, 0x431E8F55F46ABEB9ULL, + 0xC2AD9E0DA4342532ULL, 0xBDC36EC59401AC4BULL, + 0xF5129AEE5C1E814FULL, 0x8A7C6A266C2B0836ULL, + 0x0BCF7B7E3C7593BDULL, 0x74A18BB60C401AC4ULL, + 0xE28C6C1224F5A634ULL, 0x9DE29CDA14C02F4DULL, + 0x1C518D82449EB4C6ULL, 0x633F7D4A74AB3DBFULL, + 0x2BEE8961BCB410BBULL, 0x548079A98C8199C2ULL, + 0xD53368F1DCDF0249ULL, 0xAA5D9839ECEA8B30ULL, + 0x449080A64CE15841ULL, 0x3BFE706E7CD4D138ULL, + 0xBA4D61362C8A4AB3ULL, 0xC52391FE1CBFC3CAULL, + 0x8DF265D5D4A0EECEULL, 0xF29C951DE49567B7ULL, + 0x732F8445B4CBFC3CULL, 0x0C41748D84FE7545ULL, + 0x6BAD6D5EBD3716B7ULL, 0x14C39D968D029FCEULL, + 0x95708CCEDD5C0445ULL, 0xEA1E7C06ED698D3CULL, + 0xA2CF882D2576A038ULL, 0xDDA178E515432941ULL, + 0x5C1269BD451DB2CAULL, 0x237C997575283BB3ULL, + 0xCDB181EAD523E8C2ULL, 0xB2DF7122E51661BBULL, + 0x336C607AB548FA30ULL, 0x4C0290B2857D7349ULL, + 0x04D364994D625E4DULL, 0x7BBD94517D57D734ULL, + 0xFA0E85092D094CBFULL, 0x856075C11D3CC5C6ULL, + 0x134D926535897936ULL, 0x6C2362AD05BCF04FULL, + 0xED9073F555E26BC4ULL, 0x92FE833D65D7E2BDULL, + 0xDA2F7716ADC8CFB9ULL, 0xA54187DE9DFD46C0ULL, + 0x24F29686CDA3DD4BULL, 0x5B9C664EFD965432ULL, + 0xB5517ED15D9D8743ULL, 0xCA3F8E196DA80E3AULL, + 0x4B8C9F413DF695B1ULL, 0x34E26F890DC31CC8ULL, + 0x7C339BA2C5DC31CCULL, 0x035D6B6AF5E9B8B5ULL, + 0x82EE7A32A5B7233EULL, 0xFD808AFA9582AA47ULL, + 0x4D364994D625E4DAULL, 0x3258B95CE6106DA3ULL, + 0xB3EBA804B64EF628ULL, 0xCC8558CC867B7F51ULL, + 0x8454ACE74E645255ULL, 0xFB3A5C2F7E51DB2CULL, + 0x7A894D772E0F40A7ULL, 0x05E7BDBF1E3AC9DEULL, + 0xEB2AA520BE311AAFULL, 0x944455E88E0493D6ULL, + 0x15F744B0DE5A085DULL, 0x6A99B478EE6F8124ULL, + 0x224840532670AC20ULL, 0x5D26B09B16452559ULL, + 0xDC95A1C3461BBED2ULL, 0xA3FB510B762E37ABULL, + 0x35D6B6AF5E9B8B5BULL, 0x4AB846676EAE0222ULL, + 0xCB0B573F3EF099A9ULL, 0xB465A7F70EC510D0ULL, + 0xFCB453DCC6DA3DD4ULL, 0x83DAA314F6EFB4ADULL, + 0x0269B24CA6B12F26ULL, 0x7D0742849684A65FULL, + 0x93CA5A1B368F752EULL, 0xECA4AAD306BAFC57ULL, + 0x6D17BB8B56E467DCULL, 0x12794B4366D1EEA5ULL, + 0x5AA8BF68AECEC3A1ULL, 0x25C64FA09EFB4AD8ULL, + 0xA4755EF8CEA5D153ULL, 0xDB1BAE30FE90582AULL, + 0xBCF7B7E3C7593BD8ULL, 0xC399472BF76CB2A1ULL, + 0x422A5673A732292AULL, 0x3D44A6BB9707A053ULL, + 0x759552905F188D57ULL, 0x0AFBA2586F2D042EULL, + 0x8B48B3003F739FA5ULL, 0xF42643C80F4616DCULL, + 0x1AEB5B57AF4DC5ADULL, 0x6585AB9F9F784CD4ULL, + 0xE436BAC7CF26D75FULL, 0x9B584A0FFF135E26ULL, + 0xD389BE24370C7322ULL, 0xACE74EEC0739FA5BULL, + 0x2D545FB4576761D0ULL, 0x523AAF7C6752E8A9ULL, + 0xC41748D84FE75459ULL, 0xBB79B8107FD2DD20ULL, + 0x3ACAA9482F8C46ABULL, 0x45A459801FB9CFD2ULL, + 0x0D75ADABD7A6E2D6ULL, 0x721B5D63E7936BAFULL, + 0xF3A84C3BB7CDF024ULL, 0x8CC6BCF387F8795DULL, + 0x620BA46C27F3AA2CULL, 0x1D6554A417C62355ULL, + 0x9CD645FC4798B8DEULL, 0xE3B8B53477AD31A7ULL, + 0xAB69411FBFB21CA3ULL, 0xD407B1D78F8795DAULL, + 0x55B4A08FDFD90E51ULL, 0x2ADA5047EFEC8728ULL, +}; + +static inline size_t nvme_pi_tuple_size(NvmeNamespace *ns) +{ + return ns->pif ? 16 : 8; +} + +uint16_t nvme_check_prinfo(NvmeNamespace *ns, uint8_t prinfo, uint64_t slba, + uint64_t reftag); +uint16_t nvme_dif_mangle_mdata(NvmeNamespace *ns, uint8_t *mbuf, size_t mlen, + uint64_t slba); +void nvme_dif_pract_generate_dif(NvmeNamespace *ns, uint8_t *buf, size_t len, + uint8_t *mbuf, size_t mlen, uint16_t apptag, + uint64_t *reftag); +uint16_t nvme_dif_check(NvmeNamespace *ns, uint8_t *buf, size_t len, + uint8_t *mbuf, size_t mlen, uint8_t prinfo, + uint64_t slba, uint16_t apptag, + uint16_t appmask, uint64_t *reftag); +uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req); + +#endif /* HW_NVME_DIF_H */ diff --git a/hw/nvme/ns.c b/hw/nvme/ns.c index ee673f1a5b..8a3613d9ab 100644 --- a/hw/nvme/ns.c +++ b/hw/nvme/ns.c @@ -58,6 +58,7 @@ static int nvme_ns_init(NvmeNamespace *ns, Error **errp) { static uint64_t ns_count; NvmeIdNs *id_ns = &ns->id_ns; + NvmeIdNsNvm *id_ns_nvm = &ns->id_ns_nvm; uint8_t ds; uint16_t ms; int i; @@ -101,6 +102,8 @@ static int nvme_ns_init(NvmeNamespace *ns, Error **errp) id_ns->dps |= NVME_ID_NS_DPS_FIRST_EIGHT; } + ns->pif = ns->params.pif; + static const NvmeLBAF lbaf[16] = { [0] = { .ds = 9 }, [1] = { .ds = 9, .ms = 8 }, @@ -112,10 +115,11 @@ static int nvme_ns_init(NvmeNamespace *ns, Error **errp) [7] = { .ds = 12, .ms = 64 }, }; + ns->nlbaf = 8; + memcpy(&id_ns->lbaf, &lbaf, sizeof(lbaf)); - id_ns->nlbaf = 7; - for (i = 0; i <= id_ns->nlbaf; i++) { + for (i = 0; i < ns->nlbaf; i++) { NvmeLBAF *lbaf = &id_ns->lbaf[i]; if (lbaf->ds == ds) { if (lbaf->ms == ms) { @@ -126,12 +130,16 @@ static int nvme_ns_init(NvmeNamespace *ns, Error **errp) } /* add non-standard lba format */ - id_ns->nlbaf++; - id_ns->lbaf[id_ns->nlbaf].ds = ds; - id_ns->lbaf[id_ns->nlbaf].ms = ms; - id_ns->flbas |= id_ns->nlbaf; + id_ns->lbaf[ns->nlbaf].ds = ds; + id_ns->lbaf[ns->nlbaf].ms = ms; + ns->nlbaf++; + + id_ns->flbas |= i; + lbaf_found: + id_ns_nvm->elbaf[i] = (ns->pif & 0x3) << 7; + id_ns->nlbaf = ns->nlbaf - 1; nvme_ns_init_format(ns); return 0; @@ -370,15 +378,36 @@ static void nvme_zoned_ns_shutdown(NvmeNamespace *ns) static int nvme_ns_check_constraints(NvmeNamespace *ns, Error **errp) { + unsigned int pi_size; + if (!ns->blkconf.blk) { error_setg(errp, "block backend not configured"); return -1; } - if (ns->params.pi && ns->params.ms < 8) { - error_setg(errp, "at least 8 bytes of metadata required to enable " - "protection information"); - return -1; + if (ns->params.pi) { + if (ns->params.pi > NVME_ID_NS_DPS_TYPE_3) { + error_setg(errp, "invalid 'pi' value"); + return -1; + } + + switch (ns->params.pif) { + case NVME_PI_GUARD_16: + pi_size = 8; + break; + case NVME_PI_GUARD_64: + pi_size = 16; + break; + default: + error_setg(errp, "invalid 'pif'"); + return -1; + } + + if (ns->params.ms < pi_size) { + error_setg(errp, "at least %u bytes of metadata required to " + "enable protection information", pi_size); + return -1; + } } if (ns->params.nsid > NVME_MAX_NAMESPACES) { @@ -590,6 +619,7 @@ static Property nvme_ns_props[] = { DEFINE_PROP_UINT8("mset", NvmeNamespace, params.mset, 0), DEFINE_PROP_UINT8("pi", NvmeNamespace, params.pi, 0), DEFINE_PROP_UINT8("pil", NvmeNamespace, params.pil, 0), + DEFINE_PROP_UINT8("pif", NvmeNamespace, params.pif, 0), DEFINE_PROP_UINT16("mssrl", NvmeNamespace, params.mssrl, 128), DEFINE_PROP_UINT32("mcl", NvmeNamespace, params.mcl, 128), DEFINE_PROP_UINT8("msrc", NvmeNamespace, params.msrc, 127), diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h index 90c0bb7ce2..739c8b8f79 100644 --- a/hw/nvme/nvme.h +++ b/hw/nvme/nvme.h @@ -102,6 +102,7 @@ typedef struct NvmeNamespaceParams { uint8_t mset; uint8_t pi; uint8_t pil; + uint8_t pif; uint16_t mssrl; uint32_t mcl; @@ -127,12 +128,15 @@ typedef struct NvmeNamespace { int64_t size; int64_t moff; NvmeIdNs id_ns; + NvmeIdNsNvm id_ns_nvm; NvmeLBAF lbaf; + unsigned int nlbaf; size_t lbasz; const uint32_t *iocs; uint8_t csi; uint16_t status; int attached; + uint8_t pif; struct { uint16_t zrwas; @@ -468,7 +472,9 @@ typedef struct NvmeCtrl { uint16_t temp_thresh_hi; uint16_t temp_thresh_low; }; - uint32_t async_config; + + uint32_t async_config; + NvmeHostBehaviorSupport hbs; } features; } NvmeCtrl; @@ -513,54 +519,4 @@ void nvme_rw_complete_cb(void *opaque, int ret); uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, NvmeCmd *cmd); -/* from Linux kernel (crypto/crct10dif_common.c) */ -static const uint16_t t10_dif_crc_table[256] = { - 0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B, - 0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6, - 0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6, - 0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B, - 0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1, - 0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C, - 0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C, - 0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781, - 0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8, - 0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255, - 0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925, - 0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698, - 0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472, - 0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF, - 0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF, - 0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02, - 0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA, - 0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067, - 0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17, - 0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA, - 0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640, - 0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD, - 0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D, - 0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30, - 0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759, - 0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4, - 0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394, - 0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29, - 0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3, - 0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E, - 0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E, - 0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3 -}; - -uint16_t nvme_check_prinfo(NvmeNamespace *ns, uint8_t prinfo, uint64_t slba, - uint32_t reftag); -uint16_t nvme_dif_mangle_mdata(NvmeNamespace *ns, uint8_t *mbuf, size_t mlen, - uint64_t slba); -void nvme_dif_pract_generate_dif(NvmeNamespace *ns, uint8_t *buf, size_t len, - uint8_t *mbuf, size_t mlen, uint16_t apptag, - uint32_t *reftag); -uint16_t nvme_dif_check(NvmeNamespace *ns, uint8_t *buf, size_t len, - uint8_t *mbuf, size_t mlen, uint8_t prinfo, - uint64_t slba, uint16_t apptag, - uint16_t appmask, uint32_t *reftag); -uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req); - - #endif /* HW_NVME_INTERNAL_H */ diff --git a/hw/nvme/trace-events b/hw/nvme/trace-events index 90730d802f..ff1b458969 100644 --- a/hw/nvme/trace-events +++ b/hw/nvme/trace-events @@ -20,12 +20,16 @@ pci_nvme_dif_rw_cb(uint16_t cid, const char *blkname) "cid %"PRIu16" blk '%s'" pci_nvme_dif_rw_mdata_in_cb(uint16_t cid, const char *blkname) "cid %"PRIu16" blk '%s'" pci_nvme_dif_rw_mdata_out_cb(uint16_t cid, const char *blkname) "cid %"PRIu16" blk '%s'" pci_nvme_dif_rw_check_cb(uint16_t cid, uint8_t prinfo, uint16_t apptag, uint16_t appmask, uint32_t reftag) "cid %"PRIu16" prinfo 0x%"PRIx8" apptag 0x%"PRIx16" appmask 0x%"PRIx16" reftag 0x%"PRIx32"" -pci_nvme_dif_pract_generate_dif(size_t len, size_t lba_size, size_t chksum_len, uint16_t apptag, uint32_t reftag) "len %zu lba_size %zu chksum_len %zu apptag 0x%"PRIx16" reftag 0x%"PRIx32"" +pci_nvme_dif_pract_generate_dif_crc16(size_t len, size_t lba_size, size_t chksum_len, uint16_t apptag, uint32_t reftag) "len %zu lba_size %zu chksum_len %zu apptag 0x%"PRIx16" reftag 0x%"PRIx32"" +pci_nvme_dif_pract_generate_dif_crc64(size_t len, size_t lba_size, size_t chksum_len, uint16_t apptag, uint64_t reftag) "len %zu lba_size %zu chksum_len %zu apptag 0x%"PRIx16" reftag 0x%"PRIx64"" pci_nvme_dif_check(uint8_t prinfo, uint16_t chksum_len) "prinfo 0x%"PRIx8" chksum_len %"PRIu16"" -pci_nvme_dif_prchk_disabled(uint16_t apptag, uint32_t reftag) "apptag 0x%"PRIx16" reftag 0x%"PRIx32"" -pci_nvme_dif_prchk_guard(uint16_t guard, uint16_t crc) "guard 0x%"PRIx16" crc 0x%"PRIx16"" +pci_nvme_dif_prchk_disabled_crc16(uint16_t apptag, uint32_t reftag) "apptag 0x%"PRIx16" reftag 0x%"PRIx32"" +pci_nvme_dif_prchk_disabled_crc64(uint16_t apptag, uint64_t reftag) "apptag 0x%"PRIx16" reftag 0x%"PRIx64"" +pci_nvme_dif_prchk_guard_crc16(uint16_t guard, uint16_t crc) "guard 0x%"PRIx16" crc 0x%"PRIx16"" +pci_nvme_dif_prchk_guard_crc64(uint64_t guard, uint64_t crc) "guard 0x%"PRIx64" crc 0x%"PRIx64"" pci_nvme_dif_prchk_apptag(uint16_t apptag, uint16_t elbat, uint16_t elbatm) "apptag 0x%"PRIx16" elbat 0x%"PRIx16" elbatm 0x%"PRIx16"" -pci_nvme_dif_prchk_reftag(uint32_t reftag, uint32_t elbrt) "reftag 0x%"PRIx32" elbrt 0x%"PRIx32"" +pci_nvme_dif_prchk_reftag_crc16(uint32_t reftag, uint32_t elbrt) "reftag 0x%"PRIx32" elbrt 0x%"PRIx32"" +pci_nvme_dif_prchk_reftag_crc64(uint64_t reftag, uint64_t elbrt) "reftag 0x%"PRIx64" elbrt 0x%"PRIx64"" pci_nvme_copy(uint16_t cid, uint32_t nsid, uint16_t nr, uint8_t format) "cid %"PRIu16" nsid %"PRIu32" nr %"PRIu16" format 0x%"PRIx8"" pci_nvme_copy_source_range(uint64_t slba, uint32_t nlb) "slba 0x%"PRIx64" nlb %"PRIu32"" pci_nvme_copy_out(uint64_t slba, uint32_t nlb) "slba 0x%"PRIx64" nlb %"PRIu32"" |