* [QEMU PATCH] cxl/cxl-mailbox-utils: Fix size check for cmd_firmware_update_get_info
@ 2024-10-08 16:44 nifan.cxl
2024-10-09 3:01 ` Davidlohr Bueso
0 siblings, 1 reply; 4+ messages in thread
From: nifan.cxl @ 2024-10-08 16:44 UTC (permalink / raw)
To: qemu-devel
Cc: jonathan.cameron, linux-cxl, a.manzanares, dave, nmtadam.samsung,
abhi.n, alok.rathore, Fan Ni
From: Fan Ni <fan.ni@samsung.com>
In the function cmd_firmware_update_get_info for handling Get FW info
command (0x0200h), the vmem, pmem and DC capacity size check were
incorrect. The size should be aligned to 256MiB, not smaller than
256MiB.
Signed-off-by: Fan Ni <fan.ni@samsung.com>
---
hw/cxl/cxl-mailbox-utils.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
index 9258e48f95..c82ad50ac8 100644
--- a/hw/cxl/cxl-mailbox-utils.c
+++ b/hw/cxl/cxl-mailbox-utils.c
@@ -649,9 +649,9 @@ static CXLRetCode cmd_firmware_update_get_info(const struct cxl_cmd *cmd,
} QEMU_PACKED *fw_info;
QEMU_BUILD_BUG_ON(sizeof(*fw_info) != 0x50);
- if ((cxl_dstate->vmem_size < CXL_CAPACITY_MULTIPLIER) ||
- (cxl_dstate->pmem_size < CXL_CAPACITY_MULTIPLIER) ||
- (ct3d->dc.total_capacity < CXL_CAPACITY_MULTIPLIER)) {
+ if ((!QEMU_IS_ALIGNED(cxl_dstate->vmem_size, CXL_CAPACITY_MULTIPLIER)) ||
+ (!QEMU_IS_ALIGNED(cxl_dstate->pmem_size, CXL_CAPACITY_MULTIPLIER)) ||
+ (!QEMU_IS_ALIGNED(ct3d->dc.total_capacity, CXL_CAPACITY_MULTIPLIER))) {
return CXL_MBOX_INTERNAL_ERROR;
}
--
2.43.0
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [QEMU PATCH] cxl/cxl-mailbox-utils: Fix size check for cmd_firmware_update_get_info
2024-10-08 16:44 [QEMU PATCH] cxl/cxl-mailbox-utils: Fix size check for cmd_firmware_update_get_info nifan.cxl
@ 2024-10-09 3:01 ` Davidlohr Bueso
2024-10-16 16:01 ` Jonathan Cameron via
0 siblings, 1 reply; 4+ messages in thread
From: Davidlohr Bueso @ 2024-10-09 3:01 UTC (permalink / raw)
To: nifan.cxl
Cc: qemu-devel, jonathan.cameron, linux-cxl, a.manzanares,
nmtadam.samsung, abhi.n, alok.rathore, Fan Ni
On Tue, 08 Oct 2024, nifan.cxl@gmail.com wrote:\n
>From: Fan Ni <fan.ni@samsung.com>
>
>In the function cmd_firmware_update_get_info for handling Get FW info
>command (0x0200h), the vmem, pmem and DC capacity size check were
>incorrect. The size should be aligned to 256MiB, not smaller than
>256MiB.
Can get rid of a level of parenthesis (other cmds as well), otherwise:
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
>
>Signed-off-by: Fan Ni <fan.ni@samsung.com>
>---
> hw/cxl/cxl-mailbox-utils.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
>diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
>index 9258e48f95..c82ad50ac8 100644
>--- a/hw/cxl/cxl-mailbox-utils.c
>+++ b/hw/cxl/cxl-mailbox-utils.c
>@@ -649,9 +649,9 @@ static CXLRetCode cmd_firmware_update_get_info(const struct cxl_cmd *cmd,
> } QEMU_PACKED *fw_info;
> QEMU_BUILD_BUG_ON(sizeof(*fw_info) != 0x50);
>
>- if ((cxl_dstate->vmem_size < CXL_CAPACITY_MULTIPLIER) ||
>- (cxl_dstate->pmem_size < CXL_CAPACITY_MULTIPLIER) ||
>- (ct3d->dc.total_capacity < CXL_CAPACITY_MULTIPLIER)) {
>+ if ((!QEMU_IS_ALIGNED(cxl_dstate->vmem_size, CXL_CAPACITY_MULTIPLIER)) ||
>+ (!QEMU_IS_ALIGNED(cxl_dstate->pmem_size, CXL_CAPACITY_MULTIPLIER)) ||
>+ (!QEMU_IS_ALIGNED(ct3d->dc.total_capacity, CXL_CAPACITY_MULTIPLIER))) {
> return CXL_MBOX_INTERNAL_ERROR;
> }
>
>--
>2.43.0
>
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [QEMU PATCH] cxl/cxl-mailbox-utils: Fix size check for cmd_firmware_update_get_info
2024-10-09 3:01 ` Davidlohr Bueso
@ 2024-10-16 16:01 ` Jonathan Cameron via
2024-10-16 16:45 ` Fan Ni
0 siblings, 1 reply; 4+ messages in thread
From: Jonathan Cameron via @ 2024-10-16 16:01 UTC (permalink / raw)
To: Davidlohr Bueso
Cc: nifan.cxl, qemu-devel, linux-cxl, a.manzanares, nmtadam.samsung,
abhi.n, alok.rathore, Fan Ni
On Tue, 8 Oct 2024 20:01:07 -0700
Davidlohr Bueso <dave@stgolabs.net> wrote:
> On Tue, 08 Oct 2024, nifan.cxl@gmail.com wrote:\n
> >From: Fan Ni <fan.ni@samsung.com>
> >
> >In the function cmd_firmware_update_get_info for handling Get FW info
> >command (0x0200h), the vmem, pmem and DC capacity size check were
> >incorrect. The size should be aligned to 256MiB, not smaller than
> >256MiB.
>
> Can get rid of a level of parenthesis (other cmds as well), otherwise:
>
> Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
I missed this one when gathering up fixes the other day.
I'll queue it up now with the excess brackets dropped.
Jonathan
>
> >
> >Signed-off-by: Fan Ni <fan.ni@samsung.com>
> >---
> > hw/cxl/cxl-mailbox-utils.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> >diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
> >index 9258e48f95..c82ad50ac8 100644
> >--- a/hw/cxl/cxl-mailbox-utils.c
> >+++ b/hw/cxl/cxl-mailbox-utils.c
> >@@ -649,9 +649,9 @@ static CXLRetCode cmd_firmware_update_get_info(const struct cxl_cmd *cmd,
> > } QEMU_PACKED *fw_info;
> > QEMU_BUILD_BUG_ON(sizeof(*fw_info) != 0x50);
> >
> >- if ((cxl_dstate->vmem_size < CXL_CAPACITY_MULTIPLIER) ||
> >- (cxl_dstate->pmem_size < CXL_CAPACITY_MULTIPLIER) ||
> >- (ct3d->dc.total_capacity < CXL_CAPACITY_MULTIPLIER)) {
> >+ if ((!QEMU_IS_ALIGNED(cxl_dstate->vmem_size, CXL_CAPACITY_MULTIPLIER)) ||
> >+ (!QEMU_IS_ALIGNED(cxl_dstate->pmem_size, CXL_CAPACITY_MULTIPLIER)) ||
> >+ (!QEMU_IS_ALIGNED(ct3d->dc.total_capacity, CXL_CAPACITY_MULTIPLIER))) {
> > return CXL_MBOX_INTERNAL_ERROR;
> > }
> >
> >--
> >2.43.0
> >
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [QEMU PATCH] cxl/cxl-mailbox-utils: Fix size check for cmd_firmware_update_get_info
2024-10-16 16:01 ` Jonathan Cameron via
@ 2024-10-16 16:45 ` Fan Ni
0 siblings, 0 replies; 4+ messages in thread
From: Fan Ni @ 2024-10-16 16:45 UTC (permalink / raw)
To: Jonathan Cameron
Cc: Davidlohr Bueso, nifan.cxl, qemu-devel, linux-cxl, a.manzanares,
nmtadam.samsung, abhi.n, alok.rathore
On Wed, Oct 16, 2024 at 05:01:38PM +0100, Jonathan Cameron wrote:
> On Tue, 8 Oct 2024 20:01:07 -0700
> Davidlohr Bueso <dave@stgolabs.net> wrote:
>
> > On Tue, 08 Oct 2024, nifan.cxl@gmail.com wrote:\n
> > >From: Fan Ni <fan.ni@samsung.com>
> > >
> > >In the function cmd_firmware_update_get_info for handling Get FW info
> > >command (0x0200h), the vmem, pmem and DC capacity size check were
> > >incorrect. The size should be aligned to 256MiB, not smaller than
> > >256MiB.
> >
> > Can get rid of a level of parenthesis (other cmds as well), otherwise:
> >
> > Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
> I missed this one when gathering up fixes the other day.
> I'll queue it up now with the excess brackets dropped.
>
> Jonathan
Thanks Jonathan,
Please also take a look the following patch, it is a fix for dcd.
https://lore.kernel.org/linux-cxl/20241015190224.251293-1-nifan.cxl@gmail.com/T/#u
Fan
>
> >
> > >
> > >Signed-off-by: Fan Ni <fan.ni@samsung.com>
> > >---
> > > hw/cxl/cxl-mailbox-utils.c | 6 +++---
> > > 1 file changed, 3 insertions(+), 3 deletions(-)
> > >
> > >diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
> > >index 9258e48f95..c82ad50ac8 100644
> > >--- a/hw/cxl/cxl-mailbox-utils.c
> > >+++ b/hw/cxl/cxl-mailbox-utils.c
> > >@@ -649,9 +649,9 @@ static CXLRetCode cmd_firmware_update_get_info(const struct cxl_cmd *cmd,
> > > } QEMU_PACKED *fw_info;
> > > QEMU_BUILD_BUG_ON(sizeof(*fw_info) != 0x50);
> > >
> > >- if ((cxl_dstate->vmem_size < CXL_CAPACITY_MULTIPLIER) ||
> > >- (cxl_dstate->pmem_size < CXL_CAPACITY_MULTIPLIER) ||
> > >- (ct3d->dc.total_capacity < CXL_CAPACITY_MULTIPLIER)) {
> > >+ if ((!QEMU_IS_ALIGNED(cxl_dstate->vmem_size, CXL_CAPACITY_MULTIPLIER)) ||
> > >+ (!QEMU_IS_ALIGNED(cxl_dstate->pmem_size, CXL_CAPACITY_MULTIPLIER)) ||
> > >+ (!QEMU_IS_ALIGNED(ct3d->dc.total_capacity, CXL_CAPACITY_MULTIPLIER))) {
> > > return CXL_MBOX_INTERNAL_ERROR;
> > > }
> > >
> > >--
> > >2.43.0
> > >
>
--
Fan Ni
^ permalink raw reply [flat|nested] 4+ messages in thread
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2024-10-08 16:44 [QEMU PATCH] cxl/cxl-mailbox-utils: Fix size check for cmd_firmware_update_get_info nifan.cxl
2024-10-09 3:01 ` Davidlohr Bueso
2024-10-16 16:01 ` Jonathan Cameron via
2024-10-16 16:45 ` Fan Ni
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