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Re: [Xen-devel] [PATCH v7 16/17] VT-d: Dump the posted format IRTE



>>> On 11.09.15 at 10:29, <feng.wu@xxxxxxxxx> wrote:
> Add the utility to dump the posted format IRTE.
> 
> CC: Yang Zhang <yang.z.zhang@xxxxxxxxx>
> CC: Kevin Tian <kevin.tian@xxxxxxxxx>
> Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
> ---
> v7:
> - Remove the two stage loop

This looks quite a bit better now, thanks.

> --- a/xen/drivers/passthrough/vtd/utils.c
> +++ b/xen/drivers/passthrough/vtd/utils.c
> @@ -203,6 +203,9 @@ static void dump_iommu_info(unsigned char key)
>              ecap_intr_remap(iommu->ecap) ? "" : "not ",
>              (status & DMA_GSTS_IRES) ? " and enabled" : "" );
>  
> +        printk("  Interrupt Posting: %ssupported.\n",
> +            cap_intr_post(iommu->cap) ? "" : "not ");

Wrong indentation.

> @@ -213,8 +216,11 @@ static void dump_iommu_info(unsigned char key)
>  
>              printk("  Interrupt remapping table (nr_entry=%#x. "
>                  "Only dump P=1 entries here):\n", nr_entry);
> -            printk("       SVT  SQ   SID      DST  V  AVL DLM TM RH DM "
> -                   "FPD P\n");
> +            printk("R means remapped format, P means posted format.\n");
> +            printk("R:       SVT  SQ   SID  V  AVL FPD      DST DLM TM RH DM 
> "
> +                   "P\n");
> +            printk("P:       SVT  SQ   SID  V  AVL FPD              PDA  URG 
> "
> +                   "P\n");

Correct indentation, but this should really be a single line.

> @@ -232,11 +238,21 @@ static void dump_iommu_info(unsigned char key)
>  
>                  if ( !p->remap.p )
>                      continue;
> -                printk("  %04x:  %x   %x  %04x %08x %02x    %x   %x  %x  %x  
> %x"
> -                    "   %x %x\n", i,
> -                    p->remap.svt, p->remap.sq, p->remap.sid, p->remap.dst,
> -                    p->remap.vector, p->remap.avail, p->remap.dlm, 
> p->remap.tm,
> -                    p->remap.rh, p->remap.dm, p->remap.fpd, p->remap.p);
> +                if ( !p->remap.im )
> +                    printk("R:  %04x:  %x   %x  %04x %02x    %x   %x %08x   "
> +                        "%x  %x  %x  %x %x\n", i,
> +                        p->remap.svt, p->remap.sq, p->remap.sid,
> +                        p->remap.vector, p->remap.avail, p->remap.fpd,
> +                        p->remap.dst, p->remap.dlm, p->remap.tm, p->remap.rh,
> +                        p->remap.dm, p->remap.p);
> +                else
> +                    printk("P:  %04x:  %x   %x  %04x %02x    %x   %x %16lx   
>  "
> +                        "%x %x\n", i,
> +                        p->post.svt, p->post.sq, p->post.sid, p->post.vector,
> +                        p->post.avail, p->post.fpd,
> +                        ((u64)p->post.pda_h << 32) | (p->post.pda_l << 6),
> +                        p->post.urg, p->post.p);

Wrong indentation again, and the format strings also again should all
be on the same line.

Jan


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