p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

mtip32xx: remove __force_bit2int 

There is no good excuse not to use proper __le16/32 types.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2018-11-09 14:48:57 +01:00 committed by Jens Axboe
parent 81e66174ab
commit 449a15d9e4
2 changed files with 26 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/block/mtip32xx/mtip32xx.c
View File

@ -181,9 +181,9 @@ static void mtip_init_cmd_header(struct request *rq)
(sizeof(struct mtip_cmd_hdr) * rq->tag);
if (test_bit(MTIP_PF_HOST_CAP_64, &dd->port->flags))
cmd->command_header->ctbau = __force_bit2int cpu_to_le32((cmd->command_dma >> 16) >> 16);
cmd->command_header->ctbau = cpu_to_le32((cmd->command_dma >> 16) >> 16);
cmd->command_header->ctba = __force_bit2int cpu_to_le32(cmd->command_dma & 0xFFFFFFFF);
cmd->command_header->ctba = cpu_to_le32(cmd->command_dma & 0xFFFFFFFF);
}
static struct mtip_cmd *mtip_get_int_command(struct driver_data *dd)
@ -1459,8 +1459,8 @@ static blk_status_t mtip_send_trim(struct driver_data *dd, unsigned int lba,
tlen = (sect_left >= MTIP_MAX_TRIM_ENTRY_LEN ?
MTIP_MAX_TRIM_ENTRY_LEN :
sect_left);
buf[i].lba = __force_bit2int cpu_to_le32(tlba);
buf[i].range = __force_bit2int cpu_to_le16(tlen);
buf[i].lba = cpu_to_le32(tlba);
buf[i].range = cpu_to_le16(tlen);
tlba += tlen;
sect_left -= tlen;
}
@ -1590,11 +1590,9 @@ static inline void fill_command_sg(struct driver_data *dd,
if (dma_len > 0x400000)
dev_err(&dd->pdev->dev,
"DMA segment length truncated\n");
command_sg->info = __force_bit2int
cpu_to_le32((dma_len-1) & 0x3FFFFF);
command_sg->dba = __force_bit2int
cpu_to_le32(sg_dma_address(sg));
command_sg->dba_upper = __force_bit2int
command_sg->info = cpu_to_le32((dma_len-1) & 0x3FFFFF);
command_sg->dba = cpu_to_le32(sg_dma_address(sg));
command_sg->dba_upper =
cpu_to_le32((sg_dma_address(sg) >> 16) >> 16);
command_sg++;
sg++;
@ -2231,8 +2229,7 @@ static void mtip_hw_submit_io(struct driver_data *dd, struct request *rq,
/* Populate the command header */
command->command_header->opts =
__force_bit2int cpu_to_le32(
(nents << 16) | 5 | AHCI_CMD_PREFETCH);
cpu_to_le32((nents << 16) | 5 | AHCI_CMD_PREFETCH);
command->command_header->byte_count = 0;
command->direction = dma_dir;
@ -3586,20 +3583,16 @@ static blk_status_t mtip_issue_reserved_cmd(struct blk_mq_hw_ctx *hctx,
return BLK_STS_RESOURCE;
/* Populate the SG list */
cmd->command_header->opts =
__force_bit2int cpu_to_le32(icmd->opts | icmd->fis_len);
cmd->command_header->opts = cpu_to_le32(icmd->opts | icmd->fis_len);
if (icmd->buf_len) {
command_sg = cmd->command + AHCI_CMD_TBL_HDR_SZ;
command_sg->info =
__force_bit2int cpu_to_le32((icmd->buf_len-1) & 0x3FFFFF);
command_sg->dba =
__force_bit2int cpu_to_le32(icmd->buffer & 0xFFFFFFFF);
command_sg->info = cpu_to_le32((icmd->buf_len-1) & 0x3FFFFF);
command_sg->dba = cpu_to_le32(icmd->buffer & 0xFFFFFFFF);
command_sg->dba_upper =
__force_bit2int cpu_to_le32((icmd->buffer >> 16) >> 16);
cpu_to_le32((icmd->buffer >> 16) >> 16);
cmd->command_header->opts |=
__force_bit2int cpu_to_le32((1 << 16));
cmd->command_header->opts |= cpu_to_le32((1 << 16));
}
/* Populate the command header */

28
drivers/block/mtip32xx/mtip32xx.h
View File

@ -126,8 +126,6 @@
#define MTIP_DFS_MAX_BUF_SIZE 1024
#define __force_bit2int (unsigned int __force)
enum {
/* below are bit numbers in 'flags' defined in mtip_port */
MTIP_PF_IC_ACTIVE_BIT = 0, /* pio/ioctl */
@ -200,9 +198,9 @@ struct mtip_work {
#define MTIP_MAX_TRIM_ENTRY_LEN 0xfff8
struct mtip_trim_entry {
u32 lba; /* starting lba of region */
u16 rsvd; /* unused */
u16 range; /* # of 512b blocks to trim */
__le32 lba; /* starting lba of region */
__le16 rsvd; /* unused */
__le16 range; /* # of 512b blocks to trim */
} __packed;
struct mtip_trim {
@ -278,24 +276,24 @@ struct mtip_cmd_hdr {
* - Bit 5 Unused in this implementation.
* - Bits 4:0 Length of the command FIS in DWords (DWord = 4 bytes).
*/
unsigned int opts;
__le32 opts;
/* This field is unsed when using NCQ. */
union {
unsigned int byte_count;
unsigned int status;
__le32 byte_count;
__le32 status;
};
/*
* Lower 32 bits of the command table address associated with this
* header. The command table addresses must be 128 byte aligned.
*/
unsigned int ctba;
__le32 ctba;
/*
* If 64 bit addressing is used this field is the upper 32 bits
* of the command table address associated with this command.
*/
unsigned int ctbau;
__le32 ctbau;
/* Reserved and unused. */
unsigned int res[4];
u32 res[4];
};
/* Command scatter gather structure (PRD). */
@ -305,21 +303,21 @@ struct mtip_cmd_sg {
* address must be 8 byte aligned signified by bits 2:0 being
* set to 0.
*/
unsigned int dba;
__le32 dba;
/*
* When 64 bit addressing is used this field is the upper
* 32 bits of the data buffer address.
*/
unsigned int dba_upper;
__le32 dba_upper;
/* Unused. */
unsigned int reserved;
__le32 reserved;
/*
* Bit 31: interrupt when this data block has been transferred.
* Bits 30..22: reserved
* Bits 21..0: byte count (minus 1). For P320 the byte count must be
* 8 byte aligned signified by bits 2:0 being set to 1.
*/
unsigned int info;
__le32 info;
};
struct mtip_port;