Congratulations!
That is why Kevin and I advocated many times before to suggest p2m
translation (p!=m) :-)
Can we also share the free beer?
Eddie
Magenheimer, Dan (HP Labs Fort Collins) wrote:
> I was also able to get networking working with Isaku's patches
> and Alex's. Hooray! For the last eight months, I have gulped
> as I told people that Xen/ia64 doesn't support networking.
> No longer!
>
> Domo arigato, Yamahata-san! Free beer (or sake) for you at
> the next summit!
>
> Dan
>
>> -----Original Message-----
>> From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
>> [mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf
>> Of Williamson, Alex (Linux Kernel Dev)
>> Sent: Monday, April 10, 2006 2:08 PM
>> To: Isaku Yamahata
>> Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>> Subject: Re: [Xen-ia64-devel] [PATCH][RFC][TAKE4] the P2M/VP patches
>>
>> On Mon, 2006-04-10 at 10:51 -0600, Alex Williamson wrote:
>>> On Fri, 2006-04-07 at 13:16 +0900, Isaku Yamahata wrote:
>>>
>>>> 9512:f5d0a531cb58_dom0_vp_model_xen_part.patch
>>>
>>>
>>> I'm having trouble with the legacy VGA memory descriptor section
>>> of this patch.
>>
>> I managed to get my system booting with the patch below (2-way,
>> w/ > 1GB RAM). Networking works, yeah! The main changes here are
>> that I removed the fabricated MDT entries describing the legacy VGA
>> space, added EFI_ACPI_RECLAIM_MEMORY to the memory types mapped, and
>> sorted the
>> resulting memory descriptor table. I also included the hack to avoid
>> calling assign_domain_mmio_page() for large MMIO ranges. Minor nit,
>> we're still subtracting IA64_GRANULE_SIZE from the MDT entry for
>> conventional memory, but we're not adding in the granule at the end
>> of memory like we used to.
>>
>> I also had to make a change to the -xen kernel which is not shown
>> here. The sal_cache_flush_check() appears to be causing us
>> some trouble
>> again with the P2M/VP patches (MCA'd on my system), so I commented
>> out the call to in in arich/ia64/kernel/sal.c:ia64_sal_init().
>> Thanks,
>>
>> Alex
>>
>> --
>> Alex Williamson HP Linux & Open Source
>> Lab
>>
>> --- xen/xen/arch/ia64/xen/dom_fw.c 2006-04-10
>> 13:17:31.000000000 -0600
>> +++ xen/xen/arch/ia64/xen/dom_fw.c 2006-04-10
>> 13:15:21.000000000 -0600
>> @@ -10,6 +10,7 @@
>> #include <asm/pgalloc.h>
>>
>> #include <linux/efi.h>
>> +#include <linux/sort.h>
>> #include <asm/io.h>
>> #include <asm/pal.h>
>> #include <asm/sal.h>
>> @@ -600,9 +601,14 @@
>> u64 end = start + (md->num_pages << EFI_PAGE_SHIFT);
>>
>> if (md->type == EFI_MEMORY_MAPPED_IO ||
>> - md->type == EFI_MEMORY_MAPPED_IO_PORT_SPACE)
>> + md->type == EFI_MEMORY_MAPPED_IO_PORT_SPACE) { +
>> + if (md->type == EFI_MEMORY_MAPPED_IO &&
>> + ((md->num_pages << EFI_PAGE_SHIFT) > 0x100000000UL)) +
>> return 0; +
>> paddr = assign_domain_mmio_page(d, start, end - start); -
>> else + } else
>> paddr = assign_domain_mach_page(d, start, end - start);
>> #else paddr = md->phys_addr;
>> @@ -610,6 +616,7 @@
>>
>> BUG_ON(md->type != EFI_RUNTIME_SERVICES_CODE &&
>> md->type != EFI_RUNTIME_SERVICES_DATA &&
>> + md->type != EFI_ACPI_RECLAIM_MEMORY &&
>> md->type != EFI_MEMORY_MAPPED_IO &&
>> md->type != EFI_MEMORY_MAPPED_IO_PORT_SPACE);
>>
>> @@ -626,6 +633,18 @@
>> return 0;
>> }
>>
>> +static int
>> +efi_mdt_cmp(const void *a, const void *b)
>> +{
>> + const efi_memory_desc_t *x = a, *y = b;
>> +
>> + if (x->phys_addr > y->phys_addr)
>> + return 1;
>> + if (x->phys_addr < y->phys_addr)
>> + return -1;
>> + return 0;
>> +}
>> +
>> static struct ia64_boot_param *
>> dom_fw_init (struct domain *d, const char *args, int arglen,
>> char *fw_mem, int fw_mem_size)
>> {
>> @@ -834,6 +853,7 @@
>> /* simulate 1MB free memory at physical address zero */
>>
>> MAKE_MD(EFI_LOADER_DATA,EFI_MEMORY_WB,0*MB,1*MB, 0);//XXX #else
>> +#if 0
>> //XXX dom0 should use VGA?
>> #define VGA_RAM_START 0xb8000
>> #define VGA_RAM_END 0xc0000
>> @@ -852,6 +872,7 @@
>> pcolour_map_end = pcolour_map + VGA_CMAPSZ * 8;
>> MAKE_MD(EFI_LOADER_DATA, EFI_MEMORY_WB, 0 * MB,
>> pvga_start, 1);
>> MAKE_MD(EFI_LOADER_DATA, EFI_MEMORY_WB,
>> pcolour_map_end, 1 * MB, 1);
>> +#endif /* 0 */
>> #endif
>> /* hypercall patches live here, masquerade as
>> reserved PAL memory */
>>
>> MAKE_MD(EFI_PAL_CODE,EFI_MEMORY_WB,HYPERCALL_START,HYPERCALL_END,
>> 0); @@ -890,6 +911,8 @@ // for ACPI table.
>> efi_memmap_walk_type(EFI_RUNTIME_SERVICES_DATA,
>> dom_fw_dom0_passthrough, &arg);
>> + efi_memmap_walk_type(EFI_ACPI_RECLAIM_MEMORY,
>> + dom_fw_dom0_passthrough, &arg);
>> efi_memmap_walk_type(EFI_MEMORY_MAPPED_IO,
>> dom_fw_dom0_passthrough, &arg);
>> efi_memmap_walk_type(EFI_MEMORY_MAPPED_IO_PORT_SPACE,
>> @@ -902,8 +925,10 @@ #ifndef CONFIG_XEN_IA64_DOM0_VP
>> MAKE_MD(EFI_LOADER_DATA,EFI_MEMORY_WB,0*MB,1*MB, 1);
#else
>> +#if 0
>> MAKE_MD(EFI_LOADER_DATA,EFI_MEMORY_WB, 0 * MB,
>> VGA_RAM_START, 1); MAKE_MD(EFI_LOADER_DATA,EFI_MEMORY_WB,
>> VGA_COLOURMAP_END, 1*MB, 1);
>> +#endif /* 0 */
>> #endif
>> /* hypercall patches live here, masquerade as
>> reserved PAL memory */
>>
>> MAKE_MD(EFI_PAL_CODE,EFI_MEMORY_WB,HYPERCALL_START,HYPERCALL_END,
>> 1); @@ -915,6 +940,8 @@
MAKE_MD(EFI_RESERVED_TYPE,0,0,0,0);
>> }
>>
>> + sort(efi_memmap, i, sizeof(efi_memory_desc_t),
>> efi_mdt_cmp, NULL);
>> +
>> bp->efi_systab = dom_pa((unsigned long) fw_mem);
>> bp->efi_memmap = dom_pa((unsigned long) efi_memmap);
>> BUG_ON(i > NUM_MEM_DESCS);
>>
>>
>>
>> _______________________________________________
>> Xen-ia64-devel mailing list
>> Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-ia64-devel
>>
>
> _______________________________________________
> Xen-ia64-devel mailing list
> Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-ia64-devel
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