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From: Nithin Dabilpuram <ndabilpuram@marvell.com>
To: Nithin Dabilpuram <ndabilpuram@marvell.com>, Kiran Kumar K
<kirankumark@marvell.com>, Sunil Kumar Kori <skori@marvell.com>, Satha Rao
<skoteshwar@marvell.com>
CC: <dev@dpdk.org>, <stable@dpdk.org>
Subject: [PATCH v2 12/13] common/cnxk: add IO attribute to mbox structs
Date: Tue, 20 Feb 2024 16:34:49 +0530
Message-ID: <20240220110450.2227277-12-ndabilpuram@marvell.com>
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IO attribute is needed to mbox structs to avoid unaligned or pair
access causing by compiler optimization. Add them to structs
where it is missing.
Fixes: 503b82de2cbf ("common/cnxk: add mbox request and response definitions")
Fixes: ddf955d3917e ("common/cnxk: support CPT second pass")
Cc: stable@dpdk.org
Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
---
drivers/common/cnxk/roc_mbox.h | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/common/cnxk/roc_mbox.h b/drivers/common/cnxk/roc_mbox.h
index 3257a370bc..f1e9ad2893 100644
--- a/drivers/common/cnxk/roc_mbox.h
+++ b/drivers/common/cnxk/roc_mbox.h
@@ -1425,12 +1425,12 @@ struct nix_cn10k_aq_enq_req {
struct nix_cn10k_aq_enq_rsp {
struct mbox_msghdr hdr;
union {
- struct nix_cn10k_rq_ctx_s rq;
- struct nix_cn10k_sq_ctx_s sq;
- struct nix_cq_ctx_s cq;
- struct nix_rsse_s rss;
- struct nix_rx_mce_s mce;
- struct nix_band_prof_s prof;
+ __io struct nix_cn10k_rq_ctx_s rq;
+ __io struct nix_cn10k_sq_ctx_s sq;
+ __io struct nix_cq_ctx_s cq;
+ __io struct nix_rsse_s rss;
+ __io struct nix_rx_mce_s mce;
+ __io struct nix_band_prof_s prof;
};
};
@@ -1666,11 +1666,11 @@ struct nix_rq_cpt_field_mask_cfg_req {
#define RQ_CTX_MASK_MAX 6
union {
uint64_t __io rq_ctx_word_set[RQ_CTX_MASK_MAX];
- struct nix_cn10k_rq_ctx_s rq_set;
+ __io struct nix_cn10k_rq_ctx_s rq_set;
};
union {
uint64_t __io rq_ctx_word_mask[RQ_CTX_MASK_MAX];
- struct nix_cn10k_rq_ctx_s rq_mask;
+ __io struct nix_cn10k_rq_ctx_s rq_mask;
};
struct nix_lf_rx_ipec_cfg1_req {
uint32_t __io spb_cpt_aura;
--
2.25.1