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Implement PAPR CRQ hypercalls

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This patch implements the infrastructure and hypercalls necessary for the
PAPR specified CRQ (Command Request Queue) mechanism.  This general
request queueing system is used by many of the PAPR virtual IO devices,
including the virtual scsi adapter.

Signed-off-by: Ben Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Ben Herrenschmidt 2011-04-01 15:15:30 +11:00 • committed by Alexander Graf
parent 8d90ad9005
commit b45d63b62f
4 changed files with 184 additions and 1 deletions
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2
hw/spapr.c
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@ -67,7 +67,7 @@ static void *spapr_create_fdt(int *fdt_size, ram_addr_t ramsize,
uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size);
uint32_t pft_size_prop[] = {0, cpu_to_be32(hash_shift)};
char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt"
"\0hcall-tce";
"\0hcall-tce\0hcall-vio";
uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)};
int i;
char *modelname;