[v3,06/21] nvme: add support for the abort command
diff mbox series

Message ID 20191111122545.252478-7-its@irrelevant.dk
State New
Headers show
Series
  • nvme: support NVMe v1.3d, SGLs and multiple namespaces
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Commit Message

Klaus Birkelund Jensen Nov. 11, 2019, 12:25 p.m. UTC
Required for compliance with NVMe revision 1.2.1. See NVM Express 1.2.1,
Section 5.1 ("Abort command").

The Abort command is a best effort command; for now, the device always
fails to abort the given command.

Signed-off-by: Klaus Jensen <klaus.jensen@cnexlabs.com>
---
 hw/block/nvme.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Patch
diff mbox series

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index daa2367b0863..84e4f2ea7a15 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -741,6 +741,18 @@  static uint16_t nvme_identify(NvmeCtrl *n, NvmeCmd *cmd)
     }
 }
 
+static uint16_t nvme_abort(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+{
+    uint16_t sqid = le32_to_cpu(cmd->cdw10) & 0xffff;
+
+    req->cqe.result = 1;
+    if (nvme_check_sqid(n, sqid)) {
+        return NVME_INVALID_FIELD | NVME_DNR;
+    }
+
+    return NVME_SUCCESS;
+}
+
 static inline void nvme_set_timestamp(NvmeCtrl *n, uint64_t ts)
 {
     trace_nvme_setfeat_timestamp(ts);
@@ -859,6 +871,7 @@  static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
         trace_nvme_err_invalid_setfeat(dw10);
         return NVME_INVALID_FIELD | NVME_DNR;
     }
+
     return NVME_SUCCESS;
 }
 
@@ -875,6 +888,8 @@  static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
         return nvme_create_cq(n, cmd);
     case NVME_ADM_CMD_IDENTIFY:
         return nvme_identify(n, cmd);
+    case NVME_ADM_CMD_ABORT:
+        return nvme_abort(n, cmd, req);
     case NVME_ADM_CMD_SET_FEATURES:
         return nvme_set_feature(n, cmd, req);
     case NVME_ADM_CMD_GET_FEATURES:
@@ -1388,6 +1403,7 @@  static void nvme_realize(PCIDevice *pci_dev, Error **errp)
     id->ieee[2] = 0xb3;
     id->ver = cpu_to_le32(0x00010201);
     id->oacs = cpu_to_le16(0);
+    id->acl = 3;
     id->frmw = 7 << 1;
     id->lpa = 1 << 0;
     id->sqes = (0x6 << 4) | 0x6;