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[PULL,63/64] block/nvme: Use generic NvmeBar structure

Message ID 20200907110936.261684-64-kwolf@redhat.com
State New
Headers show
Series [PULL,01/64] block: Raise an error when backing file parameter is an empty string | expand

Commit Message

Kevin Wolf Sept. 7, 2020, 11:09 a.m. UTC 
From: Philippe Mathieu-Daudé <philmd@redhat.com>

Commit f3c507adcd7 ("NVMe: Initial commit for new storage interface")
introduced the NvmeBar structure. Unfortunately in commit bdd6a90a9e5
("block: Add VFIO based NVMe driver") we duplicated it.

Apparently in commit a3d9a352d48 ("block: Move NVMe constants to
a separate header") we tried to unify headers but forgot to remove
the structure declared in the block/nvme.c source file.

Do it now, and remove the structure size check which is redundant
with the header check added in commit 74e18435c0e ("hw/block/nvme:
Align I/O BAR to 4 KiB").

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200904124130.583838-3-philmd@redhat.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Fam Zheng <fam@euphon.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/nvme.c | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)
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Patch

diff --git a/block/nvme.c b/block/nvme.c
index c9c3fc02fe..a216cc407f 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -83,28 +83,10 @@  typedef struct {
 
 /* Memory mapped registers */
 typedef volatile struct {
-    struct {
-        uint64_t cap;
-        uint32_t vs;
-        uint32_t intms;
-        uint32_t intmc;
-        uint32_t cc;
-        uint32_t reserved0;
-        uint32_t csts;
-        uint32_t nssr;
-        uint32_t aqa;
-        uint64_t asq;
-        uint64_t acq;
-        uint32_t cmbloc;
-        uint32_t cmbsz;
-        uint8_t  reserved1[0xec0];
-        uint8_t  cmd_set_specfic[0x100];
-    } ctrl;
+    NvmeBar ctrl;
     uint32_t doorbells[];
 } NVMeRegs;
 
-QEMU_BUILD_BUG_ON(offsetof(NVMeRegs, doorbells) != 0x1000);
-
 #define INDEX_ADMIN     0
 #define INDEX_IO(n)     (1 + n)