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path: root/drivers/mmc/card/block.c
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Diffstat (limited to 'drivers/mmc/card/block.c')
-rw-r--r--drivers/mmc/card/block.c101
1 files changed, 72 insertions, 29 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index ae9cbe6101be..40214887a910 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -854,7 +854,7 @@ static int get_card_status(struct mmc_card *card, u32 *status, int retries)
}
static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
- bool hw_busy_detect, struct request *req, int *gen_err)
+ bool hw_busy_detect, struct request *req, bool *gen_err)
{
unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
int err = 0;
@@ -871,7 +871,7 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
if (status & R1_ERROR) {
pr_err("%s: %s: error sending status cmd, status %#x\n",
req->rq_disk->disk_name, __func__, status);
- *gen_err = 1;
+ *gen_err = true;
}
/* We may rely on the host hw to handle busy detection.*/
@@ -902,7 +902,7 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
}
static int send_stop(struct mmc_card *card, unsigned int timeout_ms,
- struct request *req, int *gen_err, u32 *stop_status)
+ struct request *req, bool *gen_err, u32 *stop_status)
{
struct mmc_host *host = card->host;
struct mmc_command cmd = {0};
@@ -940,7 +940,7 @@ static int send_stop(struct mmc_card *card, unsigned int timeout_ms,
(*stop_status & R1_ERROR)) {
pr_err("%s: %s: general error sending stop command, resp %#x\n",
req->rq_disk->disk_name, __func__, *stop_status);
- *gen_err = 1;
+ *gen_err = true;
}
return card_busy_detect(card, timeout_ms, use_r1b_resp, req, gen_err);
@@ -1014,7 +1014,7 @@ static int mmc_blk_cmd_error(struct request *req, const char *name, int error,
* Otherwise we don't understand what happened, so abort.
*/
static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
- struct mmc_blk_request *brq, int *ecc_err, int *gen_err)
+ struct mmc_blk_request *brq, bool *ecc_err, bool *gen_err)
{
bool prev_cmd_status_valid = true;
u32 status, stop_status = 0;
@@ -1053,7 +1053,7 @@ static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
if ((status & R1_CARD_ECC_FAILED) ||
(brq->stop.resp[0] & R1_CARD_ECC_FAILED) ||
(brq->cmd.resp[0] & R1_CARD_ECC_FAILED))
- *ecc_err = 1;
+ *ecc_err = true;
/* Flag General errors */
if (!mmc_host_is_spi(card->host) && rq_data_dir(req) != READ)
@@ -1062,7 +1062,7 @@ static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
pr_err("%s: %s: general error sending stop or status command, stop cmd response %#x, card status %#x\n",
req->rq_disk->disk_name, __func__,
brq->stop.resp[0], status);
- *gen_err = 1;
+ *gen_err = true;
}
/*
@@ -1085,7 +1085,7 @@ static int mmc_blk_cmd_recovery(struct mmc_card *card, struct request *req,
}
if (stop_status & R1_CARD_ECC_FAILED)
- *ecc_err = 1;
+ *ecc_err = true;
}
/* Check for set block count errors */
@@ -1154,7 +1154,7 @@ static inline void mmc_blk_reset_success(struct mmc_blk_data *md, int type)
int mmc_access_rpmb(struct mmc_queue *mq)
{
- struct mmc_blk_data *md = mq->data;
+ struct mmc_blk_data *md = mq->blkdata;
/*
* If this is a RPMB partition access, return ture
*/
@@ -1166,7 +1166,7 @@ int mmc_access_rpmb(struct mmc_queue *mq)
static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
{
- struct mmc_blk_data *md = mq->data;
+ struct mmc_blk_data *md = mq->blkdata;
struct mmc_card *card = md->queue.card;
unsigned int from, nr, arg;
int err = 0, type = MMC_BLK_DISCARD;
@@ -1210,7 +1210,7 @@ out:
static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
struct request *req)
{
- struct mmc_blk_data *md = mq->data;
+ struct mmc_blk_data *md = mq->blkdata;
struct mmc_card *card = md->queue.card;
unsigned int from, nr, arg;
int err = 0, type = MMC_BLK_SECDISCARD;
@@ -1276,7 +1276,7 @@ out:
static int mmc_blk_issue_flush(struct mmc_queue *mq, struct request *req)
{
- struct mmc_blk_data *md = mq->data;
+ struct mmc_blk_data *md = mq->blkdata;
struct mmc_card *card = md->queue.card;
int ret = 0;
@@ -1320,15 +1320,16 @@ static inline void mmc_apply_rel_rw(struct mmc_blk_request *brq,
R1_CC_ERROR | /* Card controller error */ \
R1_ERROR) /* General/unknown error */
-static int mmc_blk_err_check(struct mmc_card *card,
- struct mmc_async_req *areq)
+static enum mmc_blk_status mmc_blk_err_check(struct mmc_card *card,
+ struct mmc_async_req *areq)
{
struct mmc_queue_req *mq_mrq = container_of(areq, struct mmc_queue_req,
mmc_active);
struct mmc_blk_request *brq = &mq_mrq->brq;
struct request *req = mq_mrq->req;
int need_retune = card->host->need_retune;
- int ecc_err = 0, gen_err = 0;
+ bool ecc_err = false;
+ bool gen_err = false;
/*
* sbc.error indicates a problem with the set block count
@@ -1378,7 +1379,7 @@ static int mmc_blk_err_check(struct mmc_card *card,
pr_err("%s: %s: general error sending stop command, stop cmd response %#x\n",
req->rq_disk->disk_name, __func__,
brq->stop.resp[0]);
- gen_err = 1;
+ gen_err = true;
}
err = card_busy_detect(card, MMC_BLK_TIMEOUT_MS, false, req,
@@ -1432,14 +1433,58 @@ static int mmc_blk_err_check(struct mmc_card *card,
return MMC_BLK_SUCCESS;
}
-static int mmc_blk_packed_err_check(struct mmc_card *card,
- struct mmc_async_req *areq)
+static int mmc_packed_init(struct mmc_queue *mq, struct mmc_card *card)
+{
+ struct mmc_queue_req *mqrq_cur = &mq->mqrq[0];
+ struct mmc_queue_req *mqrq_prev = &mq->mqrq[1];
+ int ret = 0;
+
+
+ mqrq_cur->packed = kzalloc(sizeof(struct mmc_packed), GFP_KERNEL);
+ if (!mqrq_cur->packed) {
+ pr_warn("%s: unable to allocate packed cmd for mqrq_cur\n",
+ mmc_card_name(card));
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ mqrq_prev->packed = kzalloc(sizeof(struct mmc_packed), GFP_KERNEL);
+ if (!mqrq_prev->packed) {
+ pr_warn("%s: unable to allocate packed cmd for mqrq_prev\n",
+ mmc_card_name(card));
+ kfree(mqrq_cur->packed);
+ mqrq_cur->packed = NULL;
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ INIT_LIST_HEAD(&mqrq_cur->packed->list);
+ INIT_LIST_HEAD(&mqrq_prev->packed->list);
+
+out:
+ return ret;
+}
+
+static void mmc_packed_clean(struct mmc_queue *mq)
+{
+ struct mmc_queue_req *mqrq_cur = &mq->mqrq[0];
+ struct mmc_queue_req *mqrq_prev = &mq->mqrq[1];
+
+ kfree(mqrq_cur->packed);
+ mqrq_cur->packed = NULL;
+ kfree(mqrq_prev->packed);
+ mqrq_prev->packed = NULL;
+}
+
+static enum mmc_blk_status mmc_blk_packed_err_check(struct mmc_card *card,
+ struct mmc_async_req *areq)
{
struct mmc_queue_req *mq_rq = container_of(areq, struct mmc_queue_req,
mmc_active);
struct request *req = mq_rq->req;
struct mmc_packed *packed = mq_rq->packed;
- int err, check, status;
+ enum mmc_blk_status status, check;
+ int err;
u8 *ext_csd;
packed->retries--;
@@ -1488,7 +1533,7 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq,
u32 readcmd, writecmd;
struct mmc_blk_request *brq = &mqrq->brq;
struct request *req = mqrq->req;
- struct mmc_blk_data *md = mq->data;
+ struct mmc_blk_data *md = mq->blkdata;
bool do_data_tag;
/*
@@ -1661,7 +1706,7 @@ static u8 mmc_blk_prep_packed_list(struct mmc_queue *mq, struct request *req)
struct request_queue *q = mq->queue;
struct mmc_card *card = mq->card;
struct request *cur = req, *next = NULL;
- struct mmc_blk_data *md = mq->data;
+ struct mmc_blk_data *md = mq->blkdata;
struct mmc_queue_req *mqrq = mq->mqrq_cur;
bool en_rel_wr = card->ext_csd.rel_param & EXT_CSD_WR_REL_PARAM_EN;
unsigned int req_sectors = 0, phys_segments = 0;
@@ -1734,9 +1779,7 @@ static u8 mmc_blk_prep_packed_list(struct mmc_queue *mq, struct request *req)
!IS_ALIGNED(blk_rq_sectors(next), 8))
break;
- if (req_op(next) == REQ_OP_DISCARD ||
- req_op(next) == REQ_OP_SECURE_ERASE ||
- req_op(next) == REQ_OP_FLUSH)
+ if (mmc_req_is_special(next))
break;
if (rq_data_dir(cur) != rq_data_dir(next))
@@ -1784,7 +1827,7 @@ static void mmc_blk_packed_hdr_wrq_prep(struct mmc_queue_req *mqrq,
struct mmc_blk_request *brq = &mqrq->brq;
struct request *req = mqrq->req;
struct request *prq;
- struct mmc_blk_data *md = mq->data;
+ struct mmc_blk_data *md = mq->blkdata;
struct mmc_packed *packed = mqrq->packed;
bool do_rel_wr, do_data_tag;
__le32 *packed_cmd_hdr;
@@ -1955,7 +1998,7 @@ static void mmc_blk_revert_packed_req(struct mmc_queue *mq,
static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
{
- struct mmc_blk_data *md = mq->data;
+ struct mmc_blk_data *md = mq->blkdata;
struct mmc_card *card = md->queue.card;
struct mmc_blk_request *brq = &mq->mqrq_cur->brq;
int ret = 1, disable_multi = 0, retry = 0, type, retune_retry_done = 0;
@@ -1994,7 +2037,7 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
areq = &mq->mqrq_cur->mmc_active;
} else
areq = NULL;
- areq = mmc_start_req(card->host, areq, (int *) &status);
+ areq = mmc_start_req(card->host, areq, &status);
if (!areq) {
if (status == MMC_BLK_NEW_REQUEST)
mq->flags |= MMC_QUEUE_NEW_REQUEST;
@@ -2148,7 +2191,7 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
{
int ret;
- struct mmc_blk_data *md = mq->data;
+ struct mmc_blk_data *md = mq->blkdata;
struct mmc_card *card = md->queue.card;
struct mmc_host *host = card->host;
unsigned long flags;
@@ -2266,7 +2309,7 @@ again:
if (ret)
goto err_putdisk;
- md->queue.data = md;
+ md->queue.blkdata = md;
md->disk->major = MMC_BLOCK_MAJOR;
md->disk->first_minor = devidx * perdev_minors;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 10:23:35 +0000