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Tue, 08 Aug 2023 08:51:56 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org, hchkuo@avery-design.com.tw, cbrowy@avery-design.com Cc: mst@redhat.com, marcel.apfelbaum@gmail.com, alistair23@gmail.com, Alistair Francis Subject: [RFC v1 2/3] hw: nvme: ctrl: Initial support for DOE Date: Tue, 8 Aug 2023 11:51:23 -0400 Message-ID: <1a75abf2fce0683b3d1ac2522eb6965384179c20.1691509717.git.alistair.francis@wdc.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: References: 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::92a; envelope-from=alistair23@gmail.com; helo=mail-ua1-x92a.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, 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: 1691509963111100003 Content-Type: text/plain; charset="utf-8" Signed-off-by: Alistair Francis --- hw/nvme/nvme.h | 4 ++++ include/hw/pci/pcie_doe.h | 1 + hw/nvme/ctrl.c | 20 ++++++++++++++++++++ 3 files changed, 25 insertions(+) diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h index 209e8f5b4c..e0918516e3 100644 --- a/hw/nvme/nvme.h +++ b/hw/nvme/nvme.h @@ -20,6 +20,7 @@ =20 #include "qemu/uuid.h" #include "hw/pci/pci_device.h" +#include "hw/pci/pcie_doe.h" #include "hw/block/block.h" =20 #include "block/nvme.h" @@ -597,6 +598,9 @@ typedef struct NvmeCtrl { uint16_t vqrfap; uint16_t virfap; } next_pri_ctrl_cap; /* These override pri_ctrl_cap after reset */ + + /* DOE */ + DOECap doe_spdm; } NvmeCtrl; =20 typedef enum NvmeResetType { diff --git a/include/hw/pci/pcie_doe.h b/include/hw/pci/pcie_doe.h index 87dc17dcef..18e9492977 100644 --- a/include/hw/pci/pcie_doe.h +++ b/include/hw/pci/pcie_doe.h @@ -46,6 +46,7 @@ REG32(PCI_DOE_CAP_STATUS, 0) =20 /* PCI-SIG defined Data Object Types - r6.0 Table 6-32 */ #define PCI_SIG_DOE_DISCOVERY 0x00 +#define PCI_SIG_DOE_SPDM 0x01 =20 #define PCI_DOE_DW_SIZE_MAX (1 << 18) #define PCI_DOE_PROTOCOL_NUM_MAX 256 diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index f2e5a2fa73..ec3d5d3c29 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -202,6 +202,7 @@ #include "sysemu/block-backend.h" #include "sysemu/hostmem.h" #include "hw/pci/msix.h" +#include "hw/pci/pcie_doe.h" #include "hw/pci/pcie_sriov.h" #include "migration/vmstate.h" =20 @@ -8088,6 +8089,13 @@ static int nvme_add_pm_capability(PCIDevice *pci_dev= , uint8_t offset) return 0; } =20 +#ifdef CONFIG_LIBSPDM +static bool nvme_doe_spdm_rsp(DOECap *doe_cap) +{ + return false; +} +#endif + static bool nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) { ERRP_GUARD(); @@ -8317,6 +8325,13 @@ void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns) BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1)); } =20 +#ifdef CONFIG_LIBSPDM +static DOEProtocol doe_spdm_prot[] =3D { + { PCI_VENDOR_ID_PCI_SIG, PCI_SIG_DOE_SPDM, nvme_doe_spdm_rsp }, + { } +}; +#endif + static void nvme_realize(PCIDevice *pci_dev, Error **errp) { NvmeCtrl *n =3D NVME(pci_dev); @@ -8359,6 +8374,11 @@ static void nvme_realize(PCIDevice *pci_dev, Error *= *errp) =20 nvme_attach_ns(n, ns); } + +#ifdef CONFIG_LIBSPDM + /* DOE Initailization */ + pcie_doe_init(pci_dev, &n->doe_spdm, 0x190, doe_spdm_prot, true, 0); +#endif } =20 static void nvme_exit(PCIDevice *pci_dev) --=20 2.41.0