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From: "Sebastian Herbszt" <herbszt@gmx.de>
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Date: Thu, 25 Nov 2010 21:47:45 +0100
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Subject: [Qemu-devel] Re: [PATCH 14/15] megasas: LSI Megaraid SAS emulation
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To: Hannes Reinecke <hare@suse.de>, qemu-devel@nongnu.org
Cc: stefanha@gmail.com, kraxel@redhat.com, nab@linux-iscsi.org

Hannes Reinecke wrote:
> +static int megasas_scsi_init(PCIDevice *dev)
> +{
> +    MPTState *s = DO_UPCAST(MPTState, dev, dev);
> +    uint8_t *pci_conf;
> +    int i;
> +
> +    pci_conf = s->dev.config;
> +
> +    /* PCI Vendor ID (word) */
> +    pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_LSI_LOGIC);
> +    /* PCI device ID (word) */
> +    pci_config_set_device_id(pci_conf,  PCI_DEVICE_ID_LSI_SAS1078);
> +    /* PCI subsystem ID */
> +    pci_set_word(&pci_conf[PCI_SUBSYSTEM_VENDOR_ID], 0x1000);

PCI_VENDOR_ID_LSI_LOGIC

> +    pci_set_word(&pci_conf[PCI_SUBSYSTEM_ID], 0x1013);

What is 0x1013?

> +    /* PCI base class code */
> +    pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_RAID);
> +
> +    /* PCI latency timer = 0 */
> +    pci_conf[0x0d] = 0;

PCI_LATENCY_TIMER

> +    /* Interrupt pin 1 */
> +    pci_conf[0x3d] = 0x01;

pci_config_set_interrupt_pin()

Sebastian