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authorKlaus Jensen <k.jensen@samsung.com>2020-07-29 21:55:37 +0200
committerKlaus Jensen <k.jensen@samsung.com>2020-09-02 08:48:50 +0200
commit82386d4a0f19ff1e6a04e29f104da1d12269539e (patch)
treea6d02dd3f40980c63a4bf41ba2a4203b190b2a9b /hw/block
parentd424d36a496da064de866469a344b07b771fbc12 (diff)
downloadqemu-82386d4a0f19ff1e6a04e29f104da1d12269539e.zip
hw/block/nvme: remove explicit qsg/iov parameters
Since nvme_map_prp always operate on the request-scoped qsg/iovs, just pass a single pointer to the NvmeRequest instead of two for each of the qsg and iov. Suggested-by: Minwoo Im <minwoo.im.dev@gmail.com> Signed-off-by: Klaus Jensen <k.jensen@samsung.com> Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Diffstat (limited to 'hw/block')
-rw-r--r--hw/block/nvme.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 01648cfb4d..63078f6009 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -299,8 +299,8 @@ static uint16_t nvme_map_addr(NvmeCtrl *n, QEMUSGList *qsg, QEMUIOVector *iov,
return NVME_SUCCESS;
}
-static uint16_t nvme_map_prp(QEMUSGList *qsg, QEMUIOVector *iov, uint64_t prp1,
- uint64_t prp2, uint32_t len, NvmeCtrl *n)
+static uint16_t nvme_map_prp(NvmeCtrl *n, uint64_t prp1, uint64_t prp2,
+ uint32_t len, NvmeRequest *req)
{
hwaddr trans_len = n->page_size - (prp1 % n->page_size);
trans_len = MIN(len, trans_len);
@@ -308,6 +308,9 @@ static uint16_t nvme_map_prp(QEMUSGList *qsg, QEMUIOVector *iov, uint64_t prp1,
uint16_t status;
bool prp_list_in_cmb = false;
+ QEMUSGList *qsg = &req->qsg;
+ QEMUIOVector *iov = &req->iov;
+
trace_pci_nvme_map_prp(trans_len, len, prp1, prp2, num_prps);
if (unlikely(!prp1)) {
@@ -401,7 +404,7 @@ static uint16_t nvme_dma_prp(NvmeCtrl *n, uint8_t *ptr, uint32_t len,
{
uint16_t status = NVME_SUCCESS;
- status = nvme_map_prp(&req->qsg, &req->iov, prp1, prp2, len, n);
+ status = nvme_map_prp(n, prp1, prp2, len, req);
if (status) {
return status;
}
@@ -446,7 +449,7 @@ static uint16_t nvme_map_dptr(NvmeCtrl *n, size_t len, NvmeRequest *req)
uint64_t prp1 = le64_to_cpu(cmd->dptr.prp1);
uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2);
- return nvme_map_prp(&req->qsg, &req->iov, prp1, prp2, len, n);
+ return nvme_map_prp(n, prp1, prp2, len, req);
}
static void nvme_post_cqes(void *opaque)