hw/nvme: error handling for too many mappings

If the number of PRP/SGL mappings exceed 1024, reads and writes will
fail because of an internal QEMU limitation of max 1024 vectors.

Signed-off-by: Padmakar Kalghatgi <p.kalghatgi@samsung.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
[k.jensen: changed the error message to be more generic]
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
2 files changed