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Re: [PATCH v2 14/16] nvme: factor out pci setup


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH v2 14/16] nvme: factor out pci setup
Date: Wed, 15 Apr 2020 15:14:05 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0

On 4/15/20 3:01 PM, Klaus Jensen wrote:
From: Klaus Jensen <address@hidden>

Signed-off-by: Klaus Jensen <address@hidden>
---
  hw/block/nvme.c | 30 ++++++++++++++++++------------
  1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 2b007115c302..906ae595025a 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -1379,6 +1379,22 @@ static void nvme_init_namespace(NvmeCtrl *n, 
NvmeNamespace *ns, Error **errp)
      id_ns->nuse = id_ns->ncap;
  }
+static void nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev)
+{
+    uint8_t *pci_conf = pci_dev->config;
+
+    pci_conf[PCI_INTERRUPT_PIN] = 1;
+    pci_config_set_prog_interface(pci_conf, 0x2);
+    pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_EXPRESS);
+    pcie_endpoint_cap_init(pci_dev, 0x80);
+
+    memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n, "nvme",
+                          n->reg_size);
+    pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY |
+                     PCI_BASE_ADDRESS_MEM_TYPE_64, &n->iomem);
+    msix_init_exclusive_bar(pci_dev, n->params.max_ioqpairs + 1, 4, NULL);
+}
+
  static void nvme_realize(PCIDevice *pci_dev, Error **errp)
  {
      NvmeCtrl *n = NVME(pci_dev);
@@ -1402,19 +1418,9 @@ static void nvme_realize(PCIDevice *pci_dev, Error 
**errp)
          return;
      }
+ nvme_init_pci(n, pci_dev);
+
      pci_conf = pci_dev->config;
-    pci_conf[PCI_INTERRUPT_PIN] = 1;
-    pci_config_set_prog_interface(pci_dev->config, 0x2);
-    pci_config_set_class(pci_dev->config, PCI_CLASS_STORAGE_EXPRESS);
-    pcie_endpoint_cap_init(pci_dev, 0x80);
-
-    memory_region_init_io(&n->iomem, OBJECT(n), &nvme_mmio_ops, n,
-                          "nvme", n->reg_size);
-    pci_register_bar(pci_dev, 0,
-        PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64,
-        &n->iomem);
-    msix_init_exclusive_bar(pci_dev, n->params.max_ioqpairs + 1, 4, NULL);
-
      id->vid = cpu_to_le16(pci_get_word(pci_conf + PCI_VENDOR_ID));
      id->ssvid = cpu_to_le16(pci_get_word(pci_conf + PCI_SUBSYSTEM_VENDOR_ID));
      strpadcpy((char *)id->mn, sizeof(id->mn), "QEMU NVMe Ctrl", ' ');


Reviewed-by: Philippe Mathieu-Daudé <address@hidden>




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