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authorArnd Bergmann <arnd@arndb.de>2022-05-06 21:06:25 +0200
committerArnd Bergmann <arnd@arndb.de>2022-05-06 21:06:25 +0200
commit7ad7ab903681cc7ac2ee7be00d85ad63bfa78d08 (patch)
tree6d6de6cd6081815a3d50cc653c2a8abe25cba823 /drivers/nvme
parentbdc33dad34be94ab7ef2602cc54f34c72160f581 (diff)
downloadlinux-7ad7ab903681cc7ac2ee7be00d85ad63bfa78d08.tar.bz2
nvme-apple: fix sparse endianess warnings
The new nvme-apple driver is missing a few conversions to and from little-endian data: drivers/nvme/host/apple.c:291:19: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] prp1 @@ got restricted __le64 [usertype] prp1 @@ drivers/nvme/host/apple.c:291:19: sparse: expected unsigned long long [usertype] prp1 drivers/nvme/host/apple.c:291:19: sparse: got restricted __le64 [usertype] prp1 drivers/nvme/host/apple.c:292:19: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] prp2 @@ got restricted __le64 [usertype] prp2 @@ drivers/nvme/host/apple.c:293:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] length @@ got restricted __le16 [usertype] length @@ drivers/nvme/host/apple.c:351:52: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int [usertype] next_dma_addr @@ got restricted __le64 [usertype] @@ drivers/nvme/host/apple.c:456:45: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [usertype] @@ got unsigned int [addressable] [usertype] prp_dma @@ drivers/nvme/host/apple.c:459:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [usertype] @@ got unsigned long long [assigned] [usertype] dma_addr @@ drivers/nvme/host/apple.c:474:25: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [usertype] prp1 @@ got unsigned int [usertype] dma_address @@ drivers/nvme/host/apple.c:475:25: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [usertype] prp2 @@ got unsigned int [usertype] first_dma @@ Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/apple.c48
1 files changed, 24 insertions, 24 deletions
diff --git a/drivers/nvme/host/apple.c b/drivers/nvme/host/apple.c
index b321f5c0563f..d702d7d60235 100644
--- a/drivers/nvme/host/apple.c
+++ b/drivers/nvme/host/apple.c
@@ -112,10 +112,10 @@ struct apple_nvmmu_tcb {
u8 command_id;
u8 _unk0;
- u32 length;
- u8 _unk1[16];
- u64 prp1;
- u64 prp2;
+ __le16 length;
+ u8 _unk1[18];
+ __le64 prp1;
+ __le64 prp2;
u8 _unk2[16];
u8 aes_iv[8];
u8 _aes_unk[64];
@@ -348,7 +348,7 @@ static void apple_nvme_free_prps(struct apple_nvme *anv, struct request *req)
for (i = 0; i < iod->npages; i++) {
__le64 *prp_list = apple_nvme_iod_list(req)[i];
- dma_addr_t next_dma_addr = prp_list[last_prp];
+ dma_addr_t next_dma_addr = le64_to_cpu(prp_list[last_prp]);
dma_pool_free(anv->prp_page_pool, prp_list, dma_addr);
dma_addr = next_dma_addr;
@@ -453,10 +453,10 @@ static blk_status_t apple_nvme_setup_prps(struct apple_nvme *anv,
goto free_prps;
list[iod->npages++] = prp_list;
prp_list[0] = old_prp_list[i - 1];
- old_prp_list[i - 1] = prp_dma;
+ old_prp_list[i - 1] = cpu_to_le64(prp_dma);
i = 1;
}
- prp_list[i++] = dma_addr;
+ prp_list[i++] = cpu_to_le64(dma_addr);
dma_len -= NVME_CTRL_PAGE_SIZE;
dma_addr += NVME_CTRL_PAGE_SIZE;
length -= NVME_CTRL_PAGE_SIZE;
@@ -471,8 +471,8 @@ static blk_status_t apple_nvme_setup_prps(struct apple_nvme *anv,
dma_len = sg_dma_len(sg);
}
done:
- cmnd->dptr.prp1 = sg_dma_address(iod->sg);
- cmnd->dptr.prp2 = iod->first_dma;
+ cmnd->dptr.prp1 = cpu_to_le64(sg_dma_address(iod->sg));
+ cmnd->dptr.prp2 = cpu_to_le64(iod->first_dma);
return BLK_STS_OK;
free_prps:
apple_nvme_free_prps(anv, req);
@@ -498,9 +498,9 @@ static blk_status_t apple_nvme_setup_prp_simple(struct apple_nvme *anv,
return BLK_STS_RESOURCE;
iod->dma_len = bv->bv_len;
- cmnd->dptr.prp1 = iod->first_dma;
+ cmnd->dptr.prp1 = cpu_to_le64(iod->first_dma);
if (bv->bv_len > first_prp_len)
- cmnd->dptr.prp2 = iod->first_dma + first_prp_len;
+ cmnd->dptr.prp2 = cpu_to_le64(iod->first_dma + first_prp_len);
return BLK_STS_OK;
}
@@ -570,7 +570,7 @@ static inline bool apple_nvme_cqe_pending(struct apple_nvme_queue *q)
{
struct nvme_completion *hcqe = &q->cqes[q->cq_head];
- return (READ_ONCE(hcqe->status) & 1) == q->cq_phase;
+ return (le16_to_cpu(READ_ONCE(hcqe->status)) & 1) == q->cq_phase;
}
static inline struct blk_mq_tags *
@@ -682,11 +682,11 @@ static int apple_nvme_create_cq(struct apple_nvme *anv)
* is attached to the request.
*/
c.create_cq.opcode = nvme_admin_create_cq;
- c.create_cq.prp1 = anv->ioq.cq_dma_addr;
- c.create_cq.cqid = 1;
- c.create_cq.qsize = APPLE_ANS_MAX_QUEUE_DEPTH - 1;
- c.create_cq.cq_flags = NVME_QUEUE_PHYS_CONTIG | NVME_CQ_IRQ_ENABLED;
- c.create_cq.irq_vector = 0;
+ c.create_cq.prp1 = cpu_to_le64(anv->ioq.cq_dma_addr);
+ c.create_cq.cqid = cpu_to_le16(1);
+ c.create_cq.qsize = cpu_to_le16(APPLE_ANS_MAX_QUEUE_DEPTH - 1);
+ c.create_cq.cq_flags = cpu_to_le16(NVME_QUEUE_PHYS_CONTIG | NVME_CQ_IRQ_ENABLED);
+ c.create_cq.irq_vector = cpu_to_le16(0);
return nvme_submit_sync_cmd(anv->ctrl.admin_q, &c, NULL, 0);
}
@@ -696,7 +696,7 @@ static int apple_nvme_remove_cq(struct apple_nvme *anv)
struct nvme_command c = {};
c.delete_queue.opcode = nvme_admin_delete_cq;
- c.delete_queue.qid = 1;
+ c.delete_queue.qid = cpu_to_le16(1);
return nvme_submit_sync_cmd(anv->ctrl.admin_q, &c, NULL, 0);
}
@@ -710,11 +710,11 @@ static int apple_nvme_create_sq(struct apple_nvme *anv)
* is attached to the request.
*/
c.create_sq.opcode = nvme_admin_create_sq;
- c.create_sq.prp1 = anv->ioq.sq_dma_addr;
- c.create_sq.sqid = 1;
- c.create_sq.qsize = APPLE_ANS_MAX_QUEUE_DEPTH - 1;
- c.create_sq.sq_flags = NVME_QUEUE_PHYS_CONTIG;
- c.create_sq.cqid = 1;
+ c.create_sq.prp1 = cpu_to_le64(anv->ioq.sq_dma_addr);
+ c.create_sq.sqid = cpu_to_le16(1);
+ c.create_sq.qsize = cpu_to_le16(APPLE_ANS_MAX_QUEUE_DEPTH - 1);
+ c.create_sq.sq_flags = cpu_to_le16(NVME_QUEUE_PHYS_CONTIG);
+ c.create_sq.cqid = cpu_to_le16(1);
return nvme_submit_sync_cmd(anv->ctrl.admin_q, &c, NULL, 0);
}
@@ -724,7 +724,7 @@ static int apple_nvme_remove_sq(struct apple_nvme *anv)
struct nvme_command c = {};
c.delete_queue.opcode = nvme_admin_delete_sq;
- c.delete_queue.qid = 1;
+ c.delete_queue.qid = cpu_to_le16(1);
return nvme_submit_sync_cmd(anv->ctrl.admin_q, &c, NULL, 0);
}