[PATCH v2 3/6] hw/nvme: move format parameter parsing

[Klaus Jensen <its@irrelevant.dk>]

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

There is no need to extract the format command parameters for each
namespace. Move it to the entry point.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/nvme/ctrl.c | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 71c60482c75f..d8701ebf2fa8 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -5452,6 +5452,11 @@ typedef struct NvmeFormatAIOCB {
     uint32_t nsid;
     bool broadcast;
     int64_t offset;
+
+    uint8_t lbaf;
+    uint8_t mset;
+    uint8_t pi;
+    uint8_t pil;
 } NvmeFormatAIOCB;
 
 static void nvme_format_bh(void *opaque);
@@ -5471,14 +5476,9 @@ static const AIOCBInfo nvme_format_aiocb_info = {
     .get_aio_context = nvme_get_aio_context,
 };
 
-static void nvme_format_set(NvmeNamespace *ns, NvmeCmd *cmd)
+static void nvme_format_set(NvmeNamespace *ns, uint8_t lbaf, uint8_t mset,
+                            uint8_t pi, uint8_t pil)
 {
-    uint32_t dw10 = le32_to_cpu(cmd->cdw10);
-    uint8_t lbaf = dw10 & 0xf;
-    uint8_t pi = (dw10 >> 5) & 0x7;
-    uint8_t mset = (dw10 >> 4) & 0x1;
-    uint8_t pil = (dw10 >> 8) & 0x1;
-
     trace_pci_nvme_format_set(ns->params.nsid, lbaf, mset, pi, pil);
 
     ns->id_ns.dps = (pil << 3) | pi;
@@ -5490,7 +5490,6 @@ static void nvme_format_set(NvmeNamespace *ns, NvmeCmd *cmd)
 static void nvme_format_ns_cb(void *opaque, int ret)
 {
     NvmeFormatAIOCB *iocb = opaque;
-    NvmeRequest *req = iocb->req;
     NvmeNamespace *ns = iocb->ns;
     int bytes;
 
@@ -5512,7 +5511,7 @@ static void nvme_format_ns_cb(void *opaque, int ret)
         return;
     }
 
-    nvme_format_set(ns, &req->cmd);
+    nvme_format_set(ns, iocb->lbaf, iocb->mset, iocb->pi, iocb->pil);
     ns->status = 0x0;
     iocb->ns = NULL;
     iocb->offset = 0;
@@ -5548,9 +5547,6 @@ static void nvme_format_bh(void *opaque)
     NvmeFormatAIOCB *iocb = opaque;
     NvmeRequest *req = iocb->req;
     NvmeCtrl *n = nvme_ctrl(req);
-    uint32_t dw10 = le32_to_cpu(req->cmd.cdw10);
-    uint8_t lbaf = dw10 & 0xf;
-    uint8_t pi = (dw10 >> 5) & 0x7;
     uint16_t status;
     int i;
 
@@ -5572,7 +5568,7 @@ static void nvme_format_bh(void *opaque)
         goto done;
     }
 
-    status = nvme_format_check(iocb->ns, lbaf, pi);
+    status = nvme_format_check(iocb->ns, iocb->lbaf, iocb->pi);
     if (status) {
         req->status = status;
         goto done;
@@ -5595,6 +5591,11 @@ static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req)
 {
     NvmeFormatAIOCB *iocb;
     uint32_t nsid = le32_to_cpu(req->cmd.nsid);
+    uint32_t dw10 = le32_to_cpu(req->cmd.cdw10);
+    uint8_t lbaf = dw10 & 0xf;
+    uint8_t mset = (dw10 >> 4) & 0x1;
+    uint8_t pi = (dw10 >> 5) & 0x7;
+    uint8_t pil = (dw10 >> 8) & 0x1;
     uint16_t status;
 
     iocb = qemu_aio_get(&nvme_format_aiocb_info, NULL, nvme_misc_cb, req);
@@ -5604,6 +5605,10 @@ static uint16_t nvme_format(NvmeCtrl *n, NvmeRequest *req)
     iocb->ret = 0;
     iocb->ns = NULL;
     iocb->nsid = 0;
+    iocb->lbaf = lbaf;
+    iocb->mset = mset;
+    iocb->pi = pi;
+    iocb->pil = pil;
     iocb->broadcast = (nsid == NVME_NSID_BROADCAST);
     iocb->offset = 0;
 
-- 
2.35.1