From 1b48e4611a7a3ee3065d3bb8428f5f6acb5232fe Mon Sep 17 00:00:00 2001 From: Klaus Jensen Date: Wed, 30 Sep 2020 01:19:07 +0200 Subject: hw/block/nvme: reject io commands if only admin command set selected If the host sets CC.CSS to 111b, all commands submitted to I/O queues should be completed with status Invalid Command Opcode. Note that this is technically a v1.4 feature, but it does not hurt to implement before we finally bump the reported version implemented. Reviewed-by: Dmitry Fomichev Signed-off-by: Klaus Jensen Signed-off-by: Keith Busch --- include/block/nvme.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include') diff --git a/include/block/nvme.h b/include/block/nvme.h index 521533f..6de2d5a 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -115,6 +115,11 @@ enum NvmeCcMask { #define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK) #define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK) +enum NvmeCcCss { + NVME_CC_CSS_NVM = 0x0, + NVME_CC_CSS_ADMIN_ONLY = 0x7, +}; + enum NvmeCstsShift { CSTS_RDY_SHIFT = 0, CSTS_CFS_SHIFT = 1, -- cgit v1.1