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[PATCH-for-5.2,v2,18/25] block/nvme: Correct minimum device page size

Message ID 20201029093306.1063879-19-philmd@redhat.com
State Accepted
Commit a652a3ec697d5b4cfce44599d3540aae535b9545
Headers show
Series block/nvme: Fix Aarch64 or big-endian hosts | expand

Commit Message

Philippe Mathieu-Daudé Oct. 29, 2020, 9:32 a.m. UTC 
While trying to simplify the code using a macro, we forgot
the 12-bit shift... Correct that.

Fixes: fad1eb68862 ("block/nvme: Use register definitions from 'block/nvme.h'")
Reported-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 block/nvme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/block/nvme.c b/block/nvme.c
index bb75448a09f..bd3860ac4ef 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -755,7 +755,7 @@  static int nvme_init(BlockDriverState *bs, const char *device, int namespace,
         goto out;
     }
 
-    s->page_size = MAX(4096, 1 << NVME_CAP_MPSMIN(cap));
+    s->page_size = 1u << (12 + NVME_CAP_MPSMIN(cap));
     s->doorbell_scale = (4 << NVME_CAP_DSTRD(cap)) / sizeof(uint32_t);
     bs->bl.opt_mem_alignment = s->page_size;
     bs->bl.request_alignment = s->page_size;