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Sun, 31 Mar 2024 12:30:46 -0700 (PDT) From: Minwoo Im To: Klaus Jensen , Keith Busch Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org, Minwoo Im , Klaus Jensen Subject: [PATCH v2 1/4] hw/nvme: add Identify Endurance Group List Date: Mon, 1 Apr 2024 04:30:29 +0900 Message-Id: <20240331193032.5186-2-minwoo.im.dev@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240331193032.5186-1-minwoo.im.dev@gmail.com> References: <20240331193032.5186-1-minwoo.im.dev@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::533; envelope-from=minwoo.im.dev@gmail.com; helo=mail-pg1-x533.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1711913534034100003 Content-Type: text/plain; charset="utf-8" From: Minwoo Im Commit 73064edfb864 ("hw/nvme: flexible data placement emulation") intorudced NVMe FDP feature to nvme-subsys and nvme-ctrl with a single endurance group #1 supported. This means that controller should return proper identify data to host with Identify Endurance Group List (CNS 19h). But, yes, only just for the endurance group #1. This patch allows host applications to ask for which endurance group is available and utilize FDP through that endurance group. Signed-off-by: Minwoo Im Reviewed-by: Klaus Jensen --- hw/nvme/ctrl.c | 22 ++++++++++++++++++++++ include/block/nvme.h | 1 + 2 files changed, 23 insertions(+) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index f026245d1e9e..cfe53a358871 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -5629,6 +5629,26 @@ static uint16_t nvme_identify_nslist_csi(NvmeCtrl *n= , NvmeRequest *req, return nvme_c2h(n, list, data_len, req); } =20 +static uint16_t nvme_endurance_group_list(NvmeCtrl *n, NvmeRequest *req) +{ + uint16_t list[NVME_CONTROLLER_LIST_SIZE] =3D {}; + uint16_t *nr_ids =3D &list[0]; + uint16_t *ids =3D &list[1]; + uint16_t endgid =3D le32_to_cpu(req->cmd.cdw11) & 0xffff; + + /* + * The current nvme-subsys only supports Endurance Group #1. + */ + if (!endgid) { + *nr_ids =3D 1; + ids[0] =3D 1; + } else { + *nr_ids =3D 0; + } + + return nvme_c2h(n, list, sizeof(list), req); +} + static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req) { NvmeNamespace *ns; @@ -5732,6 +5752,8 @@ static uint16_t nvme_identify(NvmeCtrl *n, NvmeReques= t *req) return nvme_identify_nslist(n, req, false); case NVME_ID_CNS_CS_NS_ACTIVE_LIST: return nvme_identify_nslist_csi(n, req, true); + case NVME_ID_CNS_ENDURANCE_GROUP_LIST: + return nvme_endurance_group_list(n, req); case NVME_ID_CNS_CS_NS_PRESENT_LIST: return nvme_identify_nslist_csi(n, req, false); case NVME_ID_CNS_NS_DESCR_LIST: diff --git a/include/block/nvme.h b/include/block/nvme.h index bb231d0b9ad0..7c77d38174a7 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -1074,6 +1074,7 @@ enum NvmeIdCns { NVME_ID_CNS_CTRL_LIST =3D 0x13, NVME_ID_CNS_PRIMARY_CTRL_CAP =3D 0x14, NVME_ID_CNS_SECONDARY_CTRL_LIST =3D 0x15, + NVME_ID_CNS_ENDURANCE_GROUP_LIST =3D 0x19, NVME_ID_CNS_CS_NS_PRESENT_LIST =3D 0x1a, NVME_ID_CNS_CS_NS_PRESENT =3D 0x1b, NVME_ID_CNS_IO_COMMAND_SET =3D 0x1c, --=20 2.34.1 From nobody Tue May 21 20:47:18 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::52f; envelope-from=minwoo.im.dev@gmail.com; helo=mail-pg1-x52f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1711913517901100003 Content-Type: text/plain; charset="utf-8" From: Minwoo Im Secondary controller list for virtualization has been managed by Identify Secondary Controller List data structure with NvmeSecCtrlList where up to 127 secondary controller entries can be managed. The problem hasn't arisen so far because NVME_MAX_VFS has been 127. This patch separated identify data itself from the actual secondary controller list managed by controller to support more than 127 secondary controllers with the following patch. This patch reused NvmeSecCtrlEntry structure to manage all the possible secondary controllers, and copy entries to identify data structure when the command comes in. Signed-off-by: Minwoo Im --- hw/nvme/ctrl.c | 21 ++++++++++----------- hw/nvme/nvme.h | 14 ++++++++------ hw/nvme/subsys.c | 8 ++++---- 3 files changed, 22 insertions(+), 21 deletions(-) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index cfe53a358871..7e60bc9f2075 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -219,7 +219,6 @@ #define NVME_TEMPERATURE_CRITICAL 0x175 #define NVME_NUM_FW_SLOTS 1 #define NVME_DEFAULT_MAX_ZA_SIZE (128 * KiB) -#define NVME_MAX_VFS 127 #define NVME_VF_RES_GRANULARITY 1 #define NVME_VF_OFFSET 0x1 #define NVME_VF_STRIDE 1 @@ -5480,14 +5479,14 @@ static uint16_t nvme_identify_sec_ctrl_list(NvmeCtr= l *n, NvmeRequest *req) NvmeIdentify *c =3D (NvmeIdentify *)&req->cmd; uint16_t pri_ctrl_id =3D le16_to_cpu(n->pri_ctrl_cap.cntlid); uint16_t min_id =3D le16_to_cpu(c->ctrlid); - uint8_t num_sec_ctrl =3D n->sec_ctrl_list.numcntl; + uint8_t num_sec_ctrl =3D n->nr_sec_ctrls; NvmeSecCtrlList list =3D {0}; uint8_t i; =20 for (i =3D 0; i < num_sec_ctrl; i++) { - if (n->sec_ctrl_list.sec[i].scid >=3D min_id) { - list.numcntl =3D num_sec_ctrl - i; - memcpy(&list.sec, n->sec_ctrl_list.sec + i, + if (n->sec_ctrl_list[i].scid >=3D min_id) { + list.numcntl =3D MIN(num_sec_ctrl - i, 127); + memcpy(&list.sec, n->sec_ctrl_list + i, list.numcntl * sizeof(NvmeSecCtrlEntry)); break; } @@ -7132,8 +7131,8 @@ static void nvme_ctrl_reset(NvmeCtrl *n, NvmeResetTyp= e rst) =20 if (n->params.sriov_max_vfs) { if (!pci_is_vf(pci_dev)) { - for (i =3D 0; i < n->sec_ctrl_list.numcntl; i++) { - sctrl =3D &n->sec_ctrl_list.sec[i]; + for (i =3D 0; i < n->nr_sec_ctrls; i++) { + sctrl =3D &n->sec_ctrl_list[i]; nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); } =20 @@ -7921,7 +7920,7 @@ static bool nvme_check_params(NvmeCtrl *n, Error **er= rp) static void nvme_init_state(NvmeCtrl *n) { NvmePriCtrlCap *cap =3D &n->pri_ctrl_cap; - NvmeSecCtrlList *list =3D &n->sec_ctrl_list; + NvmeSecCtrlEntry *list =3D n->sec_ctrl_list; NvmeSecCtrlEntry *sctrl; PCIDevice *pci =3D PCI_DEVICE(n); uint8_t max_vfs; @@ -7946,9 +7945,9 @@ static void nvme_init_state(NvmeCtrl *n) n->aer_reqs =3D g_new0(NvmeRequest *, n->params.aerl + 1); QTAILQ_INIT(&n->aer_queue); =20 - list->numcntl =3D cpu_to_le16(max_vfs); + n->nr_sec_ctrls =3D max_vfs; for (i =3D 0; i < max_vfs; i++) { - sctrl =3D &list->sec[i]; + sctrl =3D &list[i]; sctrl->pcid =3D cpu_to_le16(n->cntlid); sctrl->vfn =3D cpu_to_le16(i + 1); } @@ -8505,7 +8504,7 @@ static void nvme_sriov_pre_write_ctrl(PCIDevice *dev,= uint32_t address, if (!(val & PCI_SRIOV_CTRL_VFE)) { num_vfs =3D pci_get_word(dev->config + sriov_cap + PCI_SRIOV_N= UM_VF); for (i =3D 0; i < num_vfs; i++) { - sctrl =3D &n->sec_ctrl_list.sec[i]; + sctrl =3D &n->sec_ctrl_list[i]; nvme_virt_set_state(n, le16_to_cpu(sctrl->scid), false); } } diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h index 5f2ae7b28b9c..02c11d909cd1 100644 --- a/hw/nvme/nvme.h +++ b/hw/nvme/nvme.h @@ -26,6 +26,7 @@ =20 #define NVME_MAX_CONTROLLERS 256 #define NVME_MAX_NAMESPACES 256 +#define NVME_MAX_VFS 127 #define NVME_EUI64_DEFAULT ((uint64_t)0x5254000000000000) #define NVME_FDP_MAX_EVENTS 63 #define NVME_FDP_MAXPIDS 128 @@ -597,7 +598,8 @@ typedef struct NvmeCtrl { } features; =20 NvmePriCtrlCap pri_ctrl_cap; - NvmeSecCtrlList sec_ctrl_list; + uint32_t nr_sec_ctrls; + NvmeSecCtrlEntry sec_ctrl_list[NVME_MAX_VFS]; struct { uint16_t vqrfap; uint16_t virfap; @@ -647,7 +649,7 @@ static inline NvmeSecCtrlEntry *nvme_sctrl(NvmeCtrl *n) NvmeCtrl *pf =3D NVME(pcie_sriov_get_pf(pci_dev)); =20 if (pci_is_vf(pci_dev)) { - return &pf->sec_ctrl_list.sec[pcie_sriov_vf_number(pci_dev)]; + return &pf->sec_ctrl_list[pcie_sriov_vf_number(pci_dev)]; } =20 return NULL; @@ -656,12 +658,12 @@ static inline NvmeSecCtrlEntry *nvme_sctrl(NvmeCtrl *= n) static inline NvmeSecCtrlEntry *nvme_sctrl_for_cntlid(NvmeCtrl *n, uint16_t cntlid) { - NvmeSecCtrlList *list =3D &n->sec_ctrl_list; + NvmeSecCtrlEntry *list =3D n->sec_ctrl_list; uint8_t i; =20 - for (i =3D 0; i < list->numcntl; i++) { - if (le16_to_cpu(list->sec[i].scid) =3D=3D cntlid) { - return &list->sec[i]; + for (i =3D 0; i < n->nr_sec_ctrls; i++) { + if (le16_to_cpu(list[i].scid) =3D=3D cntlid) { + return &list[i]; } } =20 diff --git a/hw/nvme/subsys.c b/hw/nvme/subsys.c index d30bb8bfd5b4..561ed04a5317 100644 --- a/hw/nvme/subsys.c +++ b/hw/nvme/subsys.c @@ -17,13 +17,13 @@ static int nvme_subsys_reserve_cntlids(NvmeCtrl *n, int start, int num) { NvmeSubsystem *subsys =3D n->subsys; - NvmeSecCtrlList *list =3D &n->sec_ctrl_list; + NvmeSecCtrlEntry *list =3D n->sec_ctrl_list; NvmeSecCtrlEntry *sctrl; int i, cnt =3D 0; =20 for (i =3D start; i < ARRAY_SIZE(subsys->ctrls) && cnt < num; i++) { if (!subsys->ctrls[i]) { - sctrl =3D &list->sec[cnt]; + sctrl =3D &list[cnt]; sctrl->scid =3D cpu_to_le16(i); subsys->ctrls[i] =3D SUBSYS_SLOT_RSVD; cnt++; @@ -36,12 +36,12 @@ static int nvme_subsys_reserve_cntlids(NvmeCtrl *n, int= start, int num) static void nvme_subsys_unreserve_cntlids(NvmeCtrl *n) { NvmeSubsystem *subsys =3D n->subsys; - NvmeSecCtrlList *list =3D &n->sec_ctrl_list; + NvmeSecCtrlEntry *list =3D n->sec_ctrl_list; NvmeSecCtrlEntry *sctrl; int i, cntlid; =20 for (i =3D 0; i < n->params.sriov_max_vfs; i++) { - sctrl =3D &list->sec[i]; + sctrl =3D &list[i]; cntlid =3D le16_to_cpu(sctrl->scid); =20 if (cntlid) { --=20 2.34.1 From nobody Tue May 21 20:47:18 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::12f; envelope-from=minwoo.im.dev@gmail.com; helo=mail-il1-x12f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1711913499864100005 Content-Type: text/plain; charset="utf-8" From: Minwoo Im The number of virtual functions(VFs) supported in SR-IOV is 64k as per spec. To test a large number of MSI-X vectors mapping to CPU matrix in the QEMU system, we need much more than 127 VFs. This patch made support for 256 VFs per a physical function(PF). Signed-off-by: Minwoo Im Reviewed-by: Klaus Jensen --- hw/nvme/ctrl.c | 2 +- hw/nvme/nvme.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 7e60bc9f2075..893d4e96656b 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -8424,7 +8424,7 @@ static Property nvme_props[] =3D { DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, params.auto_transition_zones, true), - DEFINE_PROP_UINT8("sriov_max_vfs", NvmeCtrl, params.sriov_max_vfs, 0), + DEFINE_PROP_UINT16("sriov_max_vfs", NvmeCtrl, params.sriov_max_vfs, 0), DEFINE_PROP_UINT16("sriov_vq_flexible", NvmeCtrl, params.sriov_vq_flexible, 0), DEFINE_PROP_UINT16("sriov_vi_flexible", NvmeCtrl, diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h index 02c11d909cd1..ad928c28f2c5 100644 --- a/hw/nvme/nvme.h +++ b/hw/nvme/nvme.h @@ -26,7 +26,7 @@ =20 #define NVME_MAX_CONTROLLERS 256 #define NVME_MAX_NAMESPACES 256 -#define NVME_MAX_VFS 127 +#define NVME_MAX_VFS 256 #define NVME_EUI64_DEFAULT ((uint64_t)0x5254000000000000) #define NVME_FDP_MAX_EVENTS 63 #define NVME_FDP_MAXPIDS 128 @@ -518,7 +518,7 @@ typedef struct NvmeParams { bool auto_transition_zones; 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Sun, 31 Mar 2024 12:30:54 -0700 (PDT) From: Minwoo Im To: Klaus Jensen , Keith Busch Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org, Minwoo Im , Klaus Jensen Subject: [PATCH v2 4/4] hw/nvme: Expand VI/VQ resource to uint32 Date: Mon, 1 Apr 2024 04:30:32 +0900 Message-Id: <20240331193032.5186-5-minwoo.im.dev@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240331193032.5186-1-minwoo.im.dev@gmail.com> References: <20240331193032.5186-1-minwoo.im.dev@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:4860:4864:20::2c; envelope-from=minwoo.im.dev@gmail.com; helo=mail-oa1-x2c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1711913496239100005 Content-Type: text/plain; charset="utf-8" From: Minwoo Im VI and VQ resources cover queue resources in each VFs in SR-IOV. Current maximum I/O queue pair size is 0xffff, we can expand them to cover the full number of I/O queue pairs. This patch also fixed Identify Secondary Controller List overflow due to expand of number of secondary controllers. Signed-off-by: Minwoo Im Reviewed-by: Klaus Jensen --- hw/nvme/ctrl.c | 8 ++++---- hw/nvme/nvme.h | 4 ++-- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 893d4e96656b..893afae29336 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -8429,10 +8429,10 @@ static Property nvme_props[] =3D { params.sriov_vq_flexible, 0), DEFINE_PROP_UINT16("sriov_vi_flexible", NvmeCtrl, params.sriov_vi_flexible, 0), - DEFINE_PROP_UINT8("sriov_max_vi_per_vf", NvmeCtrl, - params.sriov_max_vi_per_vf, 0), - DEFINE_PROP_UINT8("sriov_max_vq_per_vf", NvmeCtrl, - params.sriov_max_vq_per_vf, 0), + DEFINE_PROP_UINT32("sriov_max_vi_per_vf", NvmeCtrl, + params.sriov_max_vi_per_vf, 0), + DEFINE_PROP_UINT32("sriov_max_vq_per_vf", NvmeCtrl, + params.sriov_max_vq_per_vf, 0), DEFINE_PROP_END_OF_LIST(), }; =20 diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h index ad928c28f2c5..492617f19515 100644 --- a/hw/nvme/nvme.h +++ b/hw/nvme/nvme.h @@ -521,8 +521,8 @@ typedef struct NvmeParams { uint16_t sriov_max_vfs; uint16_t sriov_vq_flexible; uint16_t sriov_vi_flexible; - uint8_t sriov_max_vq_per_vf; - uint8_t sriov_max_vi_per_vf; + uint32_t sriov_max_vq_per_vf; + uint32_t sriov_max_vi_per_vf; } NvmeParams; =20 typedef struct NvmeCtrl { --=20 2.34.1