Commit 07ca0221 authored by Ben Walker's avatar Ben Walker Committed by Tomasz Zawadzki
Browse files

env: Force iova-mode=pa on ppc 



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.

Change-Id: I6a1ee25ab74873826ac211c3e0dfdf54afc74502
Signed-off-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/475148


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarJinYu <jin.yu@intel.com>
parent 93402cd1

lib/env_dpdk/init.c

+10 −0
Original line number Diff line number Diff line
@@ -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.