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env: Force iova-mode=pa on ppc

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In DPDK, the ppc iommu support does not currently allow for
iova-mode=va, but DPDK doesn't detect ppc and so still attempts
to guess iova-mode=va in some modes. Force iova-mode=pa from
SPDK to fix this.

Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/475148 (master)

(cherry picked from commit 07ca02210a)
Change-Id: I6a1ee25ab74873826ac211c3e0dfdf54afc74502
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/478347
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Alexey Marchuk <alexeymar@mellanox.com>
This commit is contained in:
Ben Walker 2019-11-19 10:09:00 -07:00 committed by Tomasz Zawadzki
parent 277cb377d9
commit 1c8d673f75
1 changed files with 10 additions and 0 deletions
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10
lib/env_dpdk/init.c
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@ -336,6 +336,16 @@ spdk_build_eal_cmdline(const struct spdk_env_opts *opts)
}
#ifdef __linux__
#ifdef __PPC64__
/* On Linux + PowerPC, DPDK doesn't support VA mode at all. Unfortunately, it doesn't correctly
* auto-detect at the moment, so we'll just force it here. */
args = spdk_push_arg(args, &argcount, _sprintf_alloc("--iova-mode=pa"));
if (args == NULL) {
return -1;
}
#endif
/* Set the base virtual address - it must be an address that is not in the
* ASAN shadow region, otherwise ASAN-enabled builds will ignore the
* mmap hint.