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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=66.111.4.28; envelope-from=its@irrelevant.dk; helo=out4-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 , qemu-block@nongnu.org, Klaus Jensen , Max Reitz , Klaus Jensen , Andrzej Jakowski , Maxim Levitsky , Keith Busch Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Andrzej Jakowski This patch sets CMBS bit in controller capabilities register when user configures NVMe driver with CMB support, so capabilites are correctly reported to guest OS. Signed-off-by: Andrzej Jakowski Reviewed-by: Maxim Levitsky Signed-off-by: Klaus Jensen --- include/block/nvme.h | 10 +++++++--- hw/block/nvme.c | 1 + 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/include/block/nvme.h b/include/block/nvme.h index 8a46d9cf015f..c7cba786b491 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -36,6 +36,7 @@ enum NvmeCapShift { CAP_MPSMIN_SHIFT =3D 48, CAP_MPSMAX_SHIFT =3D 52, CAP_PMR_SHIFT =3D 56, + CAP_CMB_SHIFT =3D 57, }; =20 enum NvmeCapMask { @@ -49,6 +50,7 @@ enum NvmeCapMask { CAP_MPSMIN_MASK =3D 0xf, CAP_MPSMAX_MASK =3D 0xf, CAP_PMR_MASK =3D 0x1, + CAP_CMB_MASK =3D 0x1, }; =20 #define NVME_CAP_MQES(cap) (((cap) >> CAP_MQES_SHIFT) & CAP_MQES_MASK) @@ -78,9 +80,11 @@ enum NvmeCapMask { #define NVME_CAP_SET_MPSMIN(cap, val) (cap |=3D (uint64_t)(val & CAP_MPSMI= N_MASK)\ << CAP_MPSMIN_S= HIFT) #define NVME_CAP_SET_MPSMAX(cap, val) (cap |=3D (uint64_t)(val & CAP_MPSMA= X_MASK)\ - << CAP_MPSMAX_= SHIFT) -#define NVME_CAP_SET_PMRS(cap, val) (cap |=3D (uint64_t)(val & CAP_PMR_MAS= K)\ - << CAP_PMR_SHI= FT) + << CAP_MPSMAX_S= HIFT) +#define NVME_CAP_SET_PMRS(cap, val) (cap |=3D (uint64_t)(val & CAP_PMR_M= ASK) \ + << CAP_PMR_SHIF= T) +#define NVME_CAP_SET_CMBS(cap, val) (cap |=3D (uint64_t)(val & CAP_CMB_M= ASK) \ + << CAP_CMB_SHIF= T) =20 enum NvmeCapCss { NVME_CAP_CSS_NVM =3D 1 << 0, diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 01b657b1c5e2..4c599159f533 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -2754,6 +2754,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pc= i_dev) NVME_CAP_SET_CSS(n->bar.cap, NVME_CAP_CSS_NVM); NVME_CAP_SET_CSS(n->bar.cap, NVME_CAP_CSS_ADMIN_ONLY); NVME_CAP_SET_MPSMAX(n->bar.cap, 4); + NVME_CAP_SET_CMBS(n->bar.cap, n->params.cmb_size_mb ? 1 : 0); =20 n->bar.vs =3D NVME_SPEC_VER; n->bar.intmc =3D n->bar.intms =3D 0; --=20 2.29.2 From nobody Wed May 8 22:04:05 2024 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=1606115237; cv=none; d=zohomail.com; s=zohoarc; b=REMVR6VhzPHF09J7z+UZNCoHG3Y7ksrkTJ7vsoZXmbQ8Je0tiDHjIjmyYbl98WOY7PfpfQwRLW24aOYR74sj8Nv4AOpAJz1oKuzjL7a5t4RPxN0n2CXyAwhiq/AqUvyYJEPUBIF4ORghlVzhDgE9yN/cTHvtK8RFuoAJlnvDBaI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1606115237; 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; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=66.111.4.28; envelope-from=its@irrelevant.dk; helo=out4-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 , qemu-block@nongnu.org, Klaus Jensen , Max Reitz , Klaus Jensen , Andrzej Jakowski , Keith Busch Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Klaus Jensen In the interest of supporting both CMB and PMR to be enabled on the same device, move the MSI-X table and pending bit out of BAR 4 and into BAR 0. This is a simplified version of the patch contributed by Andrzej Jakowski (see [1]). Leaving the CMB at offset 0 removes the need for changes to CMB address mapping code. [1]: https://lore.kernel.org/qemu-devel/20200729220107.37758-3-andrzej.ja= kowski@linux.intel.com/ Signed-off-by: Klaus Jensen --- hw/block/nvme.h | 1 + hw/block/nvme.c | 24 ++++++++++++++++++++++-- 2 files changed, 23 insertions(+), 2 deletions(-) diff --git a/hw/block/nvme.h b/hw/block/nvme.h index e080a2318a50..b7b42e70f97f 100644 --- a/hw/block/nvme.h +++ b/hw/block/nvme.h @@ -116,6 +116,7 @@ typedef struct NvmeFeatureVal { =20 typedef struct NvmeCtrl { PCIDevice parent_obj; + MemoryRegion bar0; MemoryRegion iomem; MemoryRegion ctrl_mem; NvmeBar bar; diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 4c599159f533..db8c5ae2f527 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -2660,6 +2660,8 @@ static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci= _dev) static void nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp) { uint8_t *pci_conf =3D pci_dev->config; + uint64_t bar_size, msix_table_size, msix_pba_size; + unsigned msix_table_offset, msix_pba_offset; =20 pci_conf[PCI_INTERRUPT_PIN] =3D 1; pci_config_set_prog_interface(pci_conf, 0x2); @@ -2675,11 +2677,29 @@ static void nvme_init_pci(NvmeCtrl *n, PCIDevice *p= ci_dev, Error **errp) pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS); pcie_endpoint_cap_init(pci_dev, 0x80); =20 + bar_size =3D QEMU_ALIGN_UP(n->reg_size, 4 * KiB); + msix_table_offset =3D bar_size; + msix_table_size =3D PCI_MSIX_ENTRY_SIZE * n->params.msix_qsize; + + bar_size +=3D msix_table_size; + bar_size =3D QEMU_ALIGN_UP(bar_size, 4 * KiB); + msix_pba_offset =3D bar_size; + msix_pba_size =3D QEMU_ALIGN_UP(n->params.msix_qsize, 64) / 8; + + bar_size +=3D msix_pba_size; + bar_size =3D pow2ceil(bar_size); + + memory_region_init(&n->bar0, OBJECT(n), "nvme-bar0", bar_size); memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme", n->reg_size); + memory_region_add_subregion(&n->bar0, 0, &n->iomem); + pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY | - PCI_BASE_ADDRESS_MEM_TYPE_64, &n->iomem); - if (msix_init_exclusive_bar(pci_dev, n->params.msix_qsize, 4, errp)) { + PCI_BASE_ADDRESS_MEM_TYPE_64, &n->bar0); + + if (msix_init(pci_dev, n->params.msix_qsize, + &n->bar0, 0, msix_table_offset, + &n->bar0, 0, msix_pba_offset, 0, errp)) { return; } =20 --=20 2.29.2 From nobody Wed May 8 22:04:05 2024 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=1606115404; cv=none; d=zohomail.com; s=zohoarc; b=Jerr2ulNiwkOSm1M1OJ6QzhZB/WQAH82XyMxxKhTI4u8st/xMjjKqlOlR07qVaJGjR9nDBZGCv5lEzswTjfeZPDJ/jEmEnA6GcQG7OmbZwm7o88mSKkP8a2Y+ZghE/Tw8m9F/vHwWHB5LU9r8O7VM6Df/JOd3xhZ8g+UqdcYEWQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1606115404; 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=UzHndcDiAeSOP8LCJAaHGU/fA9PsoWVVDW797xf53gA=; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=66.111.4.28; envelope-from=its@irrelevant.dk; helo=out4-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 , qemu-block@nongnu.org, Klaus Jensen , Max Reitz , Klaus Jensen , Andrzej Jakowski , Keith Busch Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Klaus Jensen With BAR 4 now free to use, allow PMR and CMB to be enabled simultaneously. Signed-off-by: Klaus Jensen --- hw/block/nvme.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index db8c5ae2f527..72d5449121c7 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -28,14 +28,13 @@ * Note cmb_size_mb denotes size of CMB in MB. CMB is assumed to be at * offset 0 in BAR2 and supports only WDS, RDS and SQS for now. * - * cmb_size_mb=3D and pmrdev=3D options are mutually exclusive due to limi= tation - * in available BAR's. cmb_size_mb=3D will take precedence over pmrdev=3D = when - * both provided. * Enabling pmr emulation can be achieved by pointing to memory-backend-fi= le. * For example: * -object memory-backend-file,id=3D,share=3Don,mem-path=3D, \ * size=3D .... -device nvme,...,pmrdev=3D * + * The PMR will use BAR 4/5 exclusively. + * * * nvme device parameters * ~~~~~~~~~~~~~~~~~~~~~~ @@ -76,7 +75,7 @@ #define NVME_DB_SIZE 4 #define NVME_SPEC_VER 0x00010300 #define NVME_CMB_BIR 2 -#define NVME_PMR_BIR 2 +#define NVME_PMR_BIR 4 #define NVME_TEMPERATURE 0x143 #define NVME_TEMPERATURE_WARNING 0x157 #define NVME_TEMPERATURE_CRITICAL 0x175 @@ -2520,7 +2519,7 @@ static void nvme_check_constraints(NvmeCtrl *n, Error= **errp) return; } =20 - if (!n->params.cmb_size_mb && n->pmrdev) { + if (n->pmrdev) { if (host_memory_backend_is_mapped(n->pmrdev)) { error_setg(errp, "can't use already busy memdev: %s", object_get_canonical_path_component(OBJECT(n->pmrde= v))); @@ -2610,9 +2609,6 @@ static void nvme_init_cmb(NvmeCtrl *n, PCIDevice *pci= _dev) =20 static void nvme_init_pmr(NvmeCtrl *n, PCIDevice *pci_dev) { - /* Controller Capabilities register */ - NVME_CAP_SET_PMRS(n->bar.cap, 1); - /* PMR Capabities register */ n->bar.pmrcap =3D 0; NVME_PMRCAP_SET_RDS(n->bar.pmrcap, 0); @@ -2705,7 +2701,9 @@ static void nvme_init_pci(NvmeCtrl *n, PCIDevice *pci= _dev, Error **errp) =20 if (n->params.cmb_size_mb) { nvme_init_cmb(n, pci_dev); - } else if (n->pmrdev) { + } + + if (n->pmrdev) { nvme_init_pmr(n, pci_dev); } } @@ -2775,6 +2773,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pc= i_dev) NVME_CAP_SET_CSS(n->bar.cap, NVME_CAP_CSS_ADMIN_ONLY); NVME_CAP_SET_MPSMAX(n->bar.cap, 4); NVME_CAP_SET_CMBS(n->bar.cap, n->params.cmb_size_mb ? 1 : 0); + NVME_CAP_SET_PMRS(n->bar.cap, n->pmrdev ? 1 : 0); =20 n->bar.vs =3D NVME_SPEC_VER; n->bar.intmc =3D n->bar.intms =3D 0; --=20 2.29.2