From 2db01da8d25f0420c411e788a9e1ba39269ae37b Mon Sep 17 00:00:00 2001 From: Julian Wiedmann Date: Tue, 11 Feb 2020 09:27:38 +0100 Subject: s390/qdio: fill SBALEs with absolute addresses sbale->addr holds an absolute address (or for some FCP usage, an opaque request ID), and should only be used with proper virt/phys translation. Signed-off-by: Julian Wiedmann Reviewed-by: Benjamin Block Signed-off-by: Vasily Gorbik --- drivers/s390/scsi/zfcp_fsf.c | 2 +- drivers/s390/scsi/zfcp_qdio.c | 6 +++--- drivers/s390/scsi/zfcp_qdio.h | 6 +++--- 3 files changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers/s390/scsi') diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 223a805f0b0b..cae9b7ff79b0 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -2510,7 +2510,7 @@ void zfcp_fsf_reqid_check(struct zfcp_qdio *qdio, int sbal_idx) for (idx = 0; idx < QDIO_MAX_ELEMENTS_PER_BUFFER; idx++) { sbale = &sbal->element[idx]; - req_id = (unsigned long) sbale->addr; + req_id = sbale->addr; fsf_req = zfcp_reqlist_find_rm(adapter->req_list, req_id); if (!fsf_req) { diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 661436a92f8e..f0d6296e673b 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -98,7 +98,7 @@ static void zfcp_qdio_int_resp(struct ccw_device *cdev, unsigned int qdio_err, memset(pl, 0, ZFCP_QDIO_MAX_SBALS_PER_REQ * sizeof(void *)); sbale = qdio->res_q[idx]->element; - req_id = (u64) sbale->addr; + req_id = sbale->addr; scount = min(sbale->scount + 1, ZFCP_QDIO_MAX_SBALS_PER_REQ + 1); /* incl. signaling SBAL */ @@ -199,7 +199,7 @@ int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req, q_req->sbal_number); return -EINVAL; } - sbale->addr = sg_virt(sg); + sbale->addr = sg_phys(sg); sbale->length = sg->length; } return 0; @@ -418,7 +418,7 @@ int zfcp_qdio_open(struct zfcp_qdio *qdio) sbale->length = 0; sbale->eflags = SBAL_EFLAGS_LAST_ENTRY; sbale->sflags = 0; - sbale->addr = NULL; + sbale->addr = 0; } if (do_QDIO(cdev, QDIO_FLAG_SYNC_INPUT, 0, 0, QDIO_MAX_BUFFERS_PER_Q)) diff --git a/drivers/s390/scsi/zfcp_qdio.h b/drivers/s390/scsi/zfcp_qdio.h index 2a816a37b3c0..6b43d6b254be 100644 --- a/drivers/s390/scsi/zfcp_qdio.h +++ b/drivers/s390/scsi/zfcp_qdio.h @@ -122,14 +122,14 @@ void zfcp_qdio_req_init(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req, % QDIO_MAX_BUFFERS_PER_Q; sbale = zfcp_qdio_sbale_req(qdio, q_req); - sbale->addr = (void *) req_id; + sbale->addr = req_id; sbale->eflags = 0; sbale->sflags = SBAL_SFLAGS0_COMMAND | sbtype; if (unlikely(!data)) return; sbale++; - sbale->addr = data; + sbale->addr = virt_to_phys(data); sbale->length = len; } @@ -152,7 +152,7 @@ void zfcp_qdio_fill_next(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req, BUG_ON(q_req->sbale_curr == qdio->max_sbale_per_sbal - 1); q_req->sbale_curr++; sbale = zfcp_qdio_sbale_curr(qdio, q_req); - sbale->addr = data; + sbale->addr = virt_to_phys(data); sbale->length = len; } -- cgit v1.2.3