diff options
Diffstat (limited to 'drivers/scsi/sd_dif.c')
| -rw-r--r-- | drivers/scsi/sd_dif.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c index 29f0477a8708..38a7778631be 100644 --- a/drivers/scsi/sd_dif.c +++ b/drivers/scsi/sd_dif.c @@ -128,39 +128,10 @@ static int sd_dif_type1_verify_ip(struct blk_integrity_exchg *bix) return sd_dif_type1_verify(bix, sd_dif_ip_fn); } -/* - * Functions for interleaving and deinterleaving application tags - */ -static void sd_dif_type1_set_tag(void *prot, void *tag_buf, unsigned int sectors) -{ - struct sd_dif_tuple *sdt = prot; - u8 *tag = tag_buf; - unsigned int i, j; - - for (i = 0, j = 0 ; i < sectors ; i++, j += 2, sdt++) { - sdt->app_tag = tag[j] << 8 | tag[j+1]; - BUG_ON(sdt->app_tag == 0xffff); - } -} - -static void sd_dif_type1_get_tag(void *prot, void *tag_buf, unsigned int sectors) -{ - struct sd_dif_tuple *sdt = prot; - u8 *tag = tag_buf; - unsigned int i, j; - - for (i = 0, j = 0 ; i < sectors ; i++, j += 2, sdt++) { - tag[j] = (sdt->app_tag & 0xff00) >> 8; - tag[j+1] = sdt->app_tag & 0xff; - } -} - static struct blk_integrity dif_type1_integrity_crc = { .name = "T10-DIF-TYPE1-CRC", .generate_fn = sd_dif_type1_generate_crc, .verify_fn = sd_dif_type1_verify_crc, - .get_tag_fn = sd_dif_type1_get_tag, - .set_tag_fn = sd_dif_type1_set_tag, .tuple_size = sizeof(struct sd_dif_tuple), .tag_size = 0, }; @@ -169,8 +140,6 @@ static struct blk_integrity dif_type1_integrity_ip = { .name = "T10-DIF-TYPE1-IP", .generate_fn = sd_dif_type1_generate_ip, .verify_fn = sd_dif_type1_verify_ip, - .get_tag_fn = sd_dif_type1_get_tag, - .set_tag_fn = sd_dif_type1_set_tag, .tuple_size = sizeof(struct sd_dif_tuple), .tag_size = 0, }; @@ -245,42 +214,10 @@ static int sd_dif_type3_verify_ip(struct blk_integrity_exchg *bix) return sd_dif_type3_verify(bix, sd_dif_ip_fn); } -static void sd_dif_type3_set_tag(void *prot, void *tag_buf, unsigned int sectors) -{ - struct sd_dif_tuple *sdt = prot; - u8 *tag = tag_buf; - unsigned int i, j; - - for (i = 0, j = 0 ; i < sectors ; i++, j += 6, sdt++) { - sdt->app_tag = tag[j] << 8 | tag[j+1]; - sdt->ref_tag = tag[j+2] << 24 | tag[j+3] << 16 | - tag[j+4] << 8 | tag[j+5]; - } -} - -static void sd_dif_type3_get_tag(void *prot, void *tag_buf, unsigned int sectors) -{ - struct sd_dif_tuple *sdt = prot; - u8 *tag = tag_buf; - unsigned int i, j; - - for (i = 0, j = 0 ; i < sectors ; i++, j += 2, sdt++) { - tag[j] = (sdt->app_tag & 0xff00) >> 8; - tag[j+1] = sdt->app_tag & 0xff; - tag[j+2] = (sdt->ref_tag & 0xff000000) >> 24; - tag[j+3] = (sdt->ref_tag & 0xff0000) >> 16; - tag[j+4] = (sdt->ref_tag & 0xff00) >> 8; - tag[j+5] = sdt->ref_tag & 0xff; - BUG_ON(sdt->app_tag == 0xffff || sdt->ref_tag == 0xffffffff); - } -} - static struct blk_integrity dif_type3_integrity_crc = { .name = "T10-DIF-TYPE3-CRC", .generate_fn = sd_dif_type3_generate_crc, .verify_fn = sd_dif_type3_verify_crc, - .get_tag_fn = sd_dif_type3_get_tag, - .set_tag_fn = sd_dif_type3_set_tag, .tuple_size = sizeof(struct sd_dif_tuple), .tag_size = 0, }; @@ -289,8 +226,6 @@ static struct blk_integrity dif_type3_integrity_ip = { .name = "T10-DIF-TYPE3-IP", .generate_fn = sd_dif_type3_generate_ip, .verify_fn = sd_dif_type3_verify_ip, - .get_tag_fn = sd_dif_type3_get_tag, - .set_tag_fn = sd_dif_type3_set_tag, .tuple_size = sizeof(struct sd_dif_tuple), .tag_size = 0, }; |