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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=66.111.4.29; envelope-from=its@irrelevant.dk; helo=out5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Klaus Jensen , Gollu Appalanaidu , Max Reitz , Keith Busch , Stefan Hajnoczi , Klaus Jensen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Gollu Appalanaidu Remove an unnecessary le_to_cpu conversion and add trace event for Identify. Signed-off-by: Gollu Appalanaidu Signed-off-by: Klaus Jensen Reviewed-by: Minwoo Im --- hw/block/nvme.c | 5 ++++- hw/block/trace-events | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 1cd82fa3c9fe..ddc83f7f7a19 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -3415,7 +3415,10 @@ static uint16_t nvme_identify(NvmeCtrl *n, NvmeReque= st *req) { NvmeIdentify *c =3D (NvmeIdentify *)&req->cmd; =20 - switch (le32_to_cpu(c->cns)) { + trace_pci_nvme_identify(nvme_cid(req), c->cns, le16_to_cpu(c->ctrlid), + c->csi); + + switch (c->cns) { case NVME_ID_CNS_NS: /* fall through */ case NVME_ID_CNS_NS_PRESENT: diff --git a/hw/block/trace-events b/hw/block/trace-events index b04f7a3e1890..1f958d09d2a9 100644 --- a/hw/block/trace-events +++ b/hw/block/trace-events @@ -61,6 +61,7 @@ pci_nvme_create_sq(uint64_t addr, uint16_t sqid, uint16_t= cqid, uint16_t qsize, pci_nvme_create_cq(uint64_t addr, uint16_t cqid, uint16_t vector, uint16_t= size, uint16_t qflags, int ien) "create completion queue, addr=3D0x%"PRIx6= 4", cqid=3D%"PRIu16", vector=3D%"PRIu16", qsize=3D%"PRIu16", qflags=3D%"PRI= u16", ien=3D%d" pci_nvme_del_sq(uint16_t qid) "deleting submission queue sqid=3D%"PRIu16"" pci_nvme_del_cq(uint16_t cqid) "deleted completion queue, cqid=3D%"PRIu16"" +pci_nvme_identify(uint16_t cid, uint8_t cns, uint16_t ctrlid, uint8_t csi)= "cid %"PRIu16" cns 0x%"PRIx8" ctrlid %"PRIu16" csi 0x%"PRIx8"" pci_nvme_identify_ctrl(void) "identify controller" pci_nvme_identify_ctrl_csi(uint8_t csi) "identify controller, csi=3D0x%"PR= Ix8"" pci_nvme_identify_ns(uint32_t ns) "nsid %"PRIu32"" --=20 2.30.1 From nobody Sun Feb 8 18:18:48 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=66.111.4.29; envelope-from=its@irrelevant.dk; helo=out5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Klaus Jensen , Gollu Appalanaidu , Max Reitz , Keith Busch , Stefan Hajnoczi , Klaus Jensen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Gollu Appalanaidu assert may be compiled to a noop and we could end up returning an uninitialized status. Fix this by always returning Internal Device Error as a fallback. Signed-off-by: Gollu Appalanaidu Signed-off-by: Klaus Jensen --- hw/block/nvme.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index ddc83f7f7a19..897b9ff0db91 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1232,7 +1232,7 @@ static uint16_t nvme_check_zone_write(NvmeNamespace *= ns, NvmeZone *zone, =20 static uint16_t nvme_check_zone_state_for_read(NvmeZone *zone) { - uint16_t status; + uint64_t zslba =3D zone->d.zslba; =20 switch (nvme_get_zone_state(zone)) { case NVME_ZONE_STATE_EMPTY: @@ -1241,16 +1241,15 @@ static uint16_t nvme_check_zone_state_for_read(Nvme= Zone *zone) case NVME_ZONE_STATE_FULL: case NVME_ZONE_STATE_CLOSED: case NVME_ZONE_STATE_READ_ONLY: - status =3D NVME_SUCCESS; - break; + return NVME_SUCCESS; case NVME_ZONE_STATE_OFFLINE: - status =3D NVME_ZONE_OFFLINE; - break; + trace_pci_nvme_err_zone_is_offline(zslba); + return NVME_ZONE_OFFLINE; default: assert(false); } =20 - return status; + return NVME_INTERNAL_DEV_ERROR; } =20 static uint16_t nvme_check_zone_read(NvmeNamespace *ns, uint64_t slba, --=20 2.30.1 From nobody Sun Feb 8 18:18:48 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1613978211; cv=none; d=zohomail.com; s=zohoarc; b=e+8X+nnds8X/pZFbw8DpcCcVYITGZ5MGr8hTWa3MBAJ+RTb+hZzR1T1Q0sT3PQYSR2By63VoX2frs/1dBZdMIaTxKq40CFl8iGEi3yKoYkz3DwBz3SLmasCWpFCJdHIxZNBVvJNMGOa02ygy/W1zV3V9aHg0dt19N3jKipx3ab0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1613978211; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=bHymLgNytpMdh9Ay7SYMWnr1F3ZOMqveNWgqbRk2/FA=; b=M6/A/0tvs+eTy5ZNySrMpJXEDujsto+QyXjnYrsFzv7nIyEnSGlpLOSsSec7gCCx6WBV+Jb9FBUBcWcHsWQjFRlR8R+E2Mc9odE9EOds5SDhDIG/wHuL8rRp/fAe1czZA48uvjRH86E6ZqUDKQctj4sC2LqqTSbxcG+maT9O7Ok= ARC-Authentication-Results: i=1; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=66.111.4.29; envelope-from=its@irrelevant.dk; helo=out5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Klaus Jensen , Gollu Appalanaidu , Max Reitz , Keith Busch , Stefan Hajnoczi , Klaus Jensen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Gollu Appalanaidu Dataset Management is not subject to MDTS, but exceeded a certain size per range causes internal looping. Report this limit (DMRSL) in the NVM command set specific identify controller data structure. Signed-off-by: Gollu Appalanaidu Signed-off-by: Klaus Jensen --- hw/block/nvme.h | 1 + include/block/nvme.h | 11 +++++++++++ hw/block/nvme.c | 30 ++++++++++++++++++++---------- hw/block/trace-events | 1 + 4 files changed, 33 insertions(+), 10 deletions(-) diff --git a/hw/block/nvme.h b/hw/block/nvme.h index cb2b5175f1a1..3046b82b3da1 100644 --- a/hw/block/nvme.h +++ b/hw/block/nvme.h @@ -172,6 +172,7 @@ typedef struct NvmeCtrl { int aer_queued; =20 uint8_t zasl; + uint32_t dmrsl; =20 NvmeSubsystem *subsys; =20 diff --git a/include/block/nvme.h b/include/block/nvme.h index b23f3ae2279f..16d8c4c90f7e 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -1041,6 +1041,16 @@ typedef struct NvmeIdCtrlZoned { uint8_t rsvd1[4095]; } NvmeIdCtrlZoned; =20 +typedef struct NvmeIdCtrlNvm { + uint8_t vsl; + uint8_t wzsl; + uint8_t wusl; + uint8_t dmrl; + uint32_t dmrsl; + uint64_t dmsl; + uint8_t rsvd16[4080]; +} NvmeIdCtrlNvm; + enum NvmeIdCtrlOacs { NVME_OACS_SECURITY =3D 1 << 0, NVME_OACS_FORMAT =3D 1 << 1, @@ -1396,6 +1406,7 @@ static inline void _nvme_check_size(void) QEMU_BUILD_BUG_ON(sizeof(NvmeEffectsLog) !=3D 4096); QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) !=3D 4096); QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlZoned) !=3D 4096); + QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlNvm) !=3D 4096); QEMU_BUILD_BUG_ON(sizeof(NvmeLBAF) !=3D 4); QEMU_BUILD_BUG_ON(sizeof(NvmeLBAFE) !=3D 16); QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) !=3D 4096); diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 897b9ff0db91..5d6bba5fcb0d 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -1777,6 +1777,10 @@ static uint16_t nvme_dsm(NvmeCtrl *n, NvmeRequest *r= eq) trace_pci_nvme_dsm_deallocate(nvme_cid(req), nvme_nsid(ns), sl= ba, nlb); =20 + if (nlb > n->dmrsl) { + trace_pci_nvme_dsm_single_range_limit_exceeded(nlb, n->dmr= sl); + } + offset =3D nvme_l2b(ns, slba); len =3D nvme_l2b(ns, nlb); =20 @@ -3202,21 +3206,24 @@ static uint16_t nvme_identify_ctrl(NvmeCtrl *n, Nvm= eRequest *req) static uint16_t nvme_identify_ctrl_csi(NvmeCtrl *n, NvmeRequest *req) { NvmeIdentify *c =3D (NvmeIdentify *)&req->cmd; - NvmeIdCtrlZoned id =3D {}; + uint8_t id[NVME_IDENTIFY_DATA_SIZE] =3D {}; =20 trace_pci_nvme_identify_ctrl_csi(c->csi); =20 - if (c->csi =3D=3D NVME_CSI_NVM) { - return nvme_rpt_empty_id_struct(n, req); - } else if (c->csi =3D=3D NVME_CSI_ZONED) { - if (n->params.zasl_bs) { - id.zasl =3D n->zasl; - } - return nvme_dma(n, (uint8_t *)&id, sizeof(id), - DMA_DIRECTION_FROM_DEVICE, req); + switch (c->csi) { + case NVME_CSI_NVM: + ((NvmeIdCtrlNvm *)&id)->dmrsl =3D cpu_to_le32(n->dmrsl); + break; + + case NVME_CSI_ZONED: + ((NvmeIdCtrlZoned *)&id)->zasl =3D n->zasl; + break; + + default: + return NVME_INVALID_FIELD | NVME_DNR; } =20 - return NVME_INVALID_FIELD | NVME_DNR; + return nvme_dma(n, id, sizeof(id), DMA_DIRECTION_FROM_DEVICE, req); } =20 static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req) @@ -4670,6 +4677,9 @@ int nvme_register_namespace(NvmeCtrl *n, NvmeNamespac= e *ns, Error **errp) =20 n->namespaces[nsid - 1] =3D ns; =20 + n->dmrsl =3D MIN_NON_ZERO(n->dmrsl, + BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); + return 0; } =20 diff --git a/hw/block/trace-events b/hw/block/trace-events index 1f958d09d2a9..27940fe2e98a 100644 --- a/hw/block/trace-events +++ b/hw/block/trace-events @@ -51,6 +51,7 @@ pci_nvme_copy_cb(uint16_t cid) "cid %"PRIu16"" pci_nvme_block_status(int64_t offset, int64_t bytes, int64_t pnum, int ret= , bool zeroed) "offset %"PRId64" bytes %"PRId64" pnum %"PRId64" ret 0x%x ze= roed %d" pci_nvme_dsm(uint16_t cid, uint32_t nsid, uint32_t nr, uint32_t attr) "cid= %"PRIu16" nsid %"PRIu32" nr %"PRIu32" attr 0x%"PRIx32"" pci_nvme_dsm_deallocate(uint16_t cid, uint32_t nsid, uint64_t slba, uint32= _t nlb) "cid %"PRIu16" nsid %"PRIu32" slba %"PRIu64" nlb %"PRIu32"" +pci_nvme_dsm_single_range_limit_exceeded(uint32_t nlb, uint32_t dmrsl) "nl= b %"PRIu32" dmrsl %"PRIu32"" pci_nvme_compare(uint16_t cid, uint32_t nsid, uint64_t slba, uint32_t nlb)= "cid %"PRIu16" nsid %"PRIu32" slba 0x%"PRIx64" nlb %"PRIu32"" pci_nvme_compare_cb(uint16_t cid) "cid %"PRIu16"" pci_nvme_aio_discard_cb(uint16_t cid) "cid %"PRIu16"" --=20 2.30.1