| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Fri, 11 Jan 2008 12:57:59 +0100
From: Borislav Petkov <bbpetkov@...oo.de>
To: Bartlomiej@...lum.tnic, Zolnierkiewicz@...lum.tnic,
<bzolnier@...il.com>
Cc: linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
Borislav Petkov <bbpetkov@...oo.de>,
Jens Axboe <axboe@...nel.dk>
Subject: [PATCH 01/21] ide-floppy: convert to generic packet commands
Replace the ide-floppy packet commands opcode defines with the generic ones.
Add a missing GPCMD_WRITE_12 (opcode 0xaa) to the generic ones in cdrom.h. The
last one can be found in the current version of INF-8090, p.905.
CC: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Borislav Petkov <bbpetkov@...oo.de>
---
drivers/ide/ide-floppy.c | 44 ++++++++++++--------------------------------
include/linux/cdrom.h | 1 +
2 files changed, 13 insertions(+), 32 deletions(-)
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 3512637..e4ebb21 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -273,26 +273,6 @@ typedef struct ide_floppy_obj {
#define IDEFLOPPY_ZIP_DRIVE 5 /* Requires BH algorithm for packets */
/*
- * ATAPI floppy drive packet commands
- */
-#define IDEFLOPPY_FORMAT_UNIT_CMD 0x04
-#define IDEFLOPPY_INQUIRY_CMD 0x12
-#define IDEFLOPPY_MODE_SELECT_CMD 0x55
-#define IDEFLOPPY_MODE_SENSE_CMD 0x5a
-#define IDEFLOPPY_READ10_CMD 0x28
-#define IDEFLOPPY_READ12_CMD 0xa8
-#define IDEFLOPPY_READ_CAPACITY_CMD 0x23
-#define IDEFLOPPY_REQUEST_SENSE_CMD 0x03
-#define IDEFLOPPY_PREVENT_REMOVAL_CMD 0x1e
-#define IDEFLOPPY_SEEK_CMD 0x2b
-#define IDEFLOPPY_START_STOP_CMD 0x1b
-#define IDEFLOPPY_TEST_UNIT_READY_CMD 0x00
-#define IDEFLOPPY_VERIFY_CMD 0x2f
-#define IDEFLOPPY_WRITE10_CMD 0x2a
-#define IDEFLOPPY_WRITE12_CMD 0xaa
-#define IDEFLOPPY_WRITE_VERIFY_CMD 0x2e
-
-/*
* Defines for the mode sense command
*/
#define MODE_SENSE_CURRENT 0x00
@@ -696,8 +676,8 @@ static void idefloppy_init_pc (idefloppy_pc_t *pc)
static void idefloppy_create_request_sense_cmd (idefloppy_pc_t *pc)
{
- idefloppy_init_pc(pc);
- pc->c[0] = IDEFLOPPY_REQUEST_SENSE_CMD;
+ idefloppy_init_pc(pc);
+ pc->c[0] = GPCMD_REQUEST_SENSE;
pc->c[4] = 255;
pc->request_transfer = 18;
pc->callback = &idefloppy_request_sense_callback;
@@ -762,7 +742,7 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
debug_log(KERN_INFO "ide-floppy: %s: I/O error\n",
drive->name);
rq->errors++;
- if (pc->c[0] == IDEFLOPPY_REQUEST_SENSE_CMD) {
+ if (pc->c[0] == GPCMD_REQUEST_SENSE) {
printk(KERN_ERR "ide-floppy: I/O error in "
"request sense command\n");
return ide_do_reset(drive);
@@ -962,7 +942,7 @@ static ide_startstop_t idefloppy_issue_pc (ide_drive_t *drive, idefloppy_pc_t *p
u8 dma;
if (floppy->failed_pc == NULL &&
- pc->c[0] != IDEFLOPPY_REQUEST_SENSE_CMD)
+ pc->c[0] != GPCMD_REQUEST_SENSE)
floppy->failed_pc = pc;
/* Set the current packet command */
floppy->pc = pc;
@@ -1052,14 +1032,14 @@ static void idefloppy_create_prevent_cmd (idefloppy_pc_t *pc, int prevent)
"prevent = %d\n", prevent);
idefloppy_init_pc(pc);
- pc->c[0] = IDEFLOPPY_PREVENT_REMOVAL_CMD;
+ pc->c[0] = GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL;
pc->c[4] = prevent;
}
static void idefloppy_create_read_capacity_cmd (idefloppy_pc_t *pc)
{
idefloppy_init_pc(pc);
- pc->c[0] = IDEFLOPPY_READ_CAPACITY_CMD;
+ pc->c[0] = GPCMD_READ_FORMAT_CAPACITIES;
pc->c[7] = 255;
pc->c[8] = 255;
pc->request_transfer = 255;
@@ -1069,7 +1049,7 @@ static void idefloppy_create_format_unit_cmd (idefloppy_pc_t *pc, int b, int l,
int flags)
{
idefloppy_init_pc(pc);
- pc->c[0] = IDEFLOPPY_FORMAT_UNIT_CMD;
+ pc->c[0] = GPCMD_FORMAT_UNIT;
pc->c[1] = 0x17;
memset(pc->buffer, 0, 12);
@@ -1094,7 +1074,7 @@ static void idefloppy_create_mode_sense_cmd (idefloppy_pc_t *pc, u8 page_code, u
u16 length = sizeof(idefloppy_mode_parameter_header_t);
idefloppy_init_pc(pc);
- pc->c[0] = IDEFLOPPY_MODE_SENSE_CMD;
+ pc->c[0] = GPCMD_MODE_SENSE_10;
pc->c[1] = 0;
pc->c[2] = page_code + (type << 6);
@@ -1116,14 +1096,14 @@ static void idefloppy_create_mode_sense_cmd (idefloppy_pc_t *pc, u8 page_code, u
static void idefloppy_create_start_stop_cmd (idefloppy_pc_t *pc, int start)
{
idefloppy_init_pc(pc);
- pc->c[0] = IDEFLOPPY_START_STOP_CMD;
+ pc->c[0] = GPCMD_START_STOP_UNIT;
pc->c[4] = start;
}
static void idefloppy_create_test_unit_ready_cmd(idefloppy_pc_t *pc)
{
idefloppy_init_pc(pc);
- pc->c[0] = IDEFLOPPY_TEST_UNIT_READY_CMD;
+ pc->c[0] = GPCMD_TEST_UNIT_READY;
}
static void idefloppy_create_rw_cmd (idefloppy_floppy_t *floppy, idefloppy_pc_t *pc, struct request *rq, unsigned long sector)
@@ -1138,10 +1118,10 @@ static void idefloppy_create_rw_cmd (idefloppy_floppy_t *floppy, idefloppy_pc_t
idefloppy_init_pc(pc);
if (test_bit(IDEFLOPPY_USE_READ12, &floppy->flags)) {
- pc->c[0] = cmd == READ ? IDEFLOPPY_READ12_CMD : IDEFLOPPY_WRITE12_CMD;
+ pc->c[0] = cmd == READ ? GPCMD_READ_12 : GPCMD_WRITE_12;
put_unaligned(htonl(blocks), (unsigned int *) &pc->c[6]);
} else {
- pc->c[0] = cmd == READ ? IDEFLOPPY_READ10_CMD : IDEFLOPPY_WRITE10_CMD;
+ pc->c[0] = cmd == READ ? GPCMD_READ_10 : GPCMD_WRITE_10;
put_unaligned(htons(blocks), (unsigned short *) &pc->c[7]);
}
put_unaligned(htonl(block), (unsigned int *) &pc->c[2]);
diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index ba32479..dd8e72b 100644
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h
@@ -480,6 +480,7 @@ struct cdrom_generic_command
#define GPCMD_TEST_UNIT_READY 0x00
#define GPCMD_VERIFY_10 0x2f
#define GPCMD_WRITE_10 0x2a
+#define GPCMD_WRITE_12 0xaa
#define GPCMD_WRITE_AND_VERIFY_10 0x2e
/* This is listed as optional in ATAPI 2.6, but is (curiously)
* missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
--
1.5.3.7
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists