From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>,
qemu-devel@nongnu.org,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: [Qemu-devel] [PATCH 6/6] xen/pass-through: constify some static data
Date: Tue, 16 Jun 2015 15:27:02 +0100 [thread overview]
Message-ID: <alpine.DEB.2.02.1506161523560.21829@kaball.uk.xensource.com> (raw)
In-Reply-To: <5571AC870200007800081573@mail.emea.novell.com>
On Fri, 5 Jun 2015, Jan Beulich wrote:
> This is done indirectly by adjusting two typedefs and helps emphasizing
> that the respective tables aren't supposed to be modified at runtime
> (as they may be shared between devices).
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> --- a/qemu/upstream/hw/xen/xen_pt.h
> +++ b/qemu/upstream/hw/xen/xen_pt.h
> @@ -31,7 +31,7 @@ void xen_pt_log(const PCIDevice *d, cons
> /* Helper */
> #define XEN_PFN(x) ((x) >> XC_PAGE_SHIFT)
>
> -typedef struct XenPTRegInfo XenPTRegInfo;
> +typedef const struct XenPTRegInfo XenPTRegInfo;
> typedef struct XenPTReg XenPTReg;
>
> typedef struct XenPCIPassthroughState XenPCIPassthroughState;
> @@ -135,11 +135,11 @@ struct XenPTReg {
> uint32_t data; /* emulated value */
> };
>
> -typedef struct XenPTRegGroupInfo XenPTRegGroupInfo;
> +typedef const struct XenPTRegGroupInfo XenPTRegGroupInfo;
>
> /* emul reg group size initialize method */
> typedef int (*xen_pt_reg_size_init_fn)
> - (XenPCIPassthroughState *, const XenPTRegGroupInfo *,
> + (XenPCIPassthroughState *, XenPTRegGroupInfo *,
> uint32_t base_offset, uint8_t *size);
>
> /* emulated register group information */
> @@ -154,7 +154,7 @@ struct XenPTRegGroupInfo {
> /* emul register group management table */
> typedef struct XenPTRegGroup {
> QLIST_ENTRY(XenPTRegGroup) entries;
> - const XenPTRegGroupInfo *reg_grp;
> + XenPTRegGroupInfo *reg_grp;
> uint32_t base_offset;
> uint8_t size;
> QLIST_HEAD(, XenPTReg) reg_tbl_list;
> --- a/qemu/upstream/hw/xen/xen_pt_config_init.c
> +++ b/qemu/upstream/hw/xen/xen_pt_config_init.c
> @@ -96,8 +96,7 @@ XenPTReg *xen_pt_find_reg(XenPTRegGroup
> }
>
> static uint32_t get_throughable_mask(const XenPCIPassthroughState *s,
> - const XenPTRegInfo *reg,
> - uint32_t valid_mask)
> + XenPTRegInfo *reg, uint32_t valid_mask)
> {
> uint32_t throughable_mask = ~(reg->emu_mask | reg->ro_mask);
next prev parent reply other threads:[~2015-06-16 14:32 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-05 11:55 [Qemu-devel] [PATCH 0/6] xen/pass-through: XSA-120, 128...131 follow-up Jan Beulich
2015-06-05 11:59 ` [Qemu-devel] [PATCH 1/6] xen/MSI-X: latch MSI-X table writes Jan Beulich
2015-06-05 11:59 ` Jan Beulich
2015-06-16 13:35 ` [Qemu-devel] " Stefano Stabellini
2015-06-16 14:04 ` Jan Beulich
2015-06-16 14:48 ` Stefano Stabellini
2015-06-16 14:48 ` Stefano Stabellini
2015-06-16 14:04 ` Jan Beulich
2015-06-16 13:35 ` Stefano Stabellini
2015-06-05 12:01 ` [Qemu-devel] [PATCH 2/6] xen/MSI-X: drive maskall and enable bits through hypercalls Jan Beulich
2015-06-05 12:01 ` Jan Beulich
2015-06-16 14:03 ` Stefano Stabellini
2015-06-16 14:03 ` [Qemu-devel] " Stefano Stabellini
2015-06-16 14:19 ` Jan Beulich
2015-06-16 14:19 ` [Qemu-devel] " Jan Beulich
2015-06-16 14:56 ` Stefano Stabellini
2015-06-16 16:03 ` Jan Beulich
2015-06-16 16:03 ` Jan Beulich
2015-06-16 14:56 ` Stefano Stabellini
2015-06-05 12:02 ` [Qemu-devel] [PATCH 3/6] xen/MSI-X: really enforce alignment Jan Beulich
2015-06-05 12:02 ` Jan Beulich
2015-06-16 14:08 ` [Qemu-devel] " Stefano Stabellini
2015-06-16 14:08 ` Stefano Stabellini
2015-06-05 12:03 ` [Qemu-devel] [PATCH 4/6] xen/pass-through: correctly deal with RW1C bits Jan Beulich
2015-06-05 12:03 ` Jan Beulich
2015-06-16 14:19 ` Stefano Stabellini
2015-06-16 14:19 ` [Qemu-devel] " Stefano Stabellini
2015-06-16 14:38 ` Jan Beulich
2015-06-16 14:38 ` [Qemu-devel] " Jan Beulich
2015-06-05 12:04 ` [Qemu-devel] [PATCH 5/6] xen/pass-through: log errno values rather than function return ones Jan Beulich
2015-06-05 12:04 ` Jan Beulich
2015-06-16 14:23 ` [Qemu-devel] " Stefano Stabellini
2015-06-16 14:23 ` Stefano Stabellini
2015-06-05 12:04 ` [Qemu-devel] [PATCH 6/6] xen/pass-through: constify some static data Jan Beulich
2015-06-05 12:04 ` Jan Beulich
2015-06-16 14:27 ` Stefano Stabellini [this message]
2015-06-16 14:41 ` Jan Beulich
2015-06-16 14:41 ` [Qemu-devel] " Jan Beulich
2015-06-16 14:43 ` Stefano Stabellini
2015-06-16 14:43 ` [Qemu-devel] " Stefano Stabellini
2015-06-16 14:27 ` Stefano Stabellini
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