Quoting from TechWorld:
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Expect an API interface between VMware and virtualised storage resource providers for automated and dynamic storage provisioning.
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This was backed up by EqualLogic EMEA VP John Joseph saying: “Stay tuned” when asked if this meant an automated interface between VMware’s virtual infrastructure and EqualLogic PS arrays such that a virtual server could be provisioned automatically with a volume of storage from an EqualLogic iSCSI storage pool.
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This means that VMware will have an API through which storage provisioning commands can be issued and through which storage status messages can be delivered by a storage resource to VMware, such as ‘I’m getting full up.’…
Read the whole article at source.
Microsoft seems to work in the same direction, working with QLogic to integrate N_Port ID Virtualization (NPIV) in upcoming System Center Virtual Machine Manager.