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From: Klaus Jensen <its@irrelevant.dk>
To: Keith Busch <kbusch@kernel.org>, Klaus Jensen <its@irrelevant.dk>,
	 Jesper Devantier <foss@defmacro.it>
Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org,
	 Klaus Jensen <k.jensen@samsung.com>
Subject: [PATCH] hw/nvme: fix mo field in io mgnt send
Date: Mon, 06 May 2024 10:06:54 +0200	[thread overview]
Message-ID: <20240506-fix-ioms-mo-v1-1-65c315531850@samsung.com> (raw)

From: Klaus Jensen <k.jensen@samsung.com>

The Management Operation field of I/O Management Send is only 8 bits,
not 16.

Fixes: 73064edfb864 ("hw/nvme: flexible data placement emulation")
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/nvme/ctrl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 9e7bbebc8bb0..ede5f281dd7c 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -4387,7 +4387,7 @@ static uint16_t nvme_io_mgmt_send(NvmeCtrl *n, NvmeRequest *req)
 {
     NvmeCmd *cmd = &req->cmd;
     uint32_t cdw10 = le32_to_cpu(cmd->cdw10);
-    uint8_t mo = (cdw10 & 0xff);
+    uint8_t mo = cdw10 & 0xf;
 
     switch (mo) {
     case NVME_IOMS_MO_NOP:

---
base-commit: 84b0eb1826f690aa8d51984644318ee6c810f5bf
change-id: 20240506-fix-ioms-mo-97098c6c5396

Best regards,
-- 
Klaus Jensen <k.jensen@samsung.com>



             reply	other threads:[~2024-05-06  8:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-06  8:06 Klaus Jensen [this message]
2024-05-07 14:05 ` [PATCH] hw/nvme: fix mo field in io mgnt send Vincent Fu
2024-05-08 13:36   ` Vincent Fu

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