diff options
| author | Michael Holzheu <holzheu@de.ibm.com> | 2007-05-04 18:47:53 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-05-04 18:48:26 +0200 |
| commit | e29630627702571eb2b2a0955605b7f8971c82c1 (patch) | |
| tree | e223b26946fbf7f5d3ab76f2b5414d2ab8b10836 /drivers/s390/char/tape_3590.c | |
| parent | 6c82a8af923b25c2a9a41b7d4ba0bb2806ecc3dc (diff) | |
| download | linux-e29630627702571eb2b2a0955605b7f8971c82c1.tar.bz2 | |
[S390] tape: New read configuration data.
Instead of the deprecated read_conf_data(), implement a new function
tape_3590_read_dev_chars().
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/char/tape_3590.c')
| -rw-r--r-- | drivers/s390/char/tape_3590.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index 50f5edab83d7..7e2b2ab49264 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -788,6 +788,7 @@ tape_3590_done(struct tape_device *device, struct tape_request *request) case TO_SIZE: case TO_KEKL_SET: case TO_KEKL_QUERY: + case TO_RDC: break; } return TAPE_IO_SUCCESS; @@ -1549,6 +1550,26 @@ tape_3590_irq(struct tape_device *device, struct tape_request *request, return TAPE_IO_STOP; } + +static int tape_3590_read_dev_chars(struct tape_device *device, + struct tape_3590_rdc_data *rdc_data) +{ + int rc; + struct tape_request *request; + + request = tape_alloc_request(1, sizeof(*rdc_data)); + if (IS_ERR(request)) + return PTR_ERR(request); + request->op = TO_RDC; + tape_ccw_end(request->cpaddr, CCW_CMD_RDC, sizeof(*rdc_data), + request->cpdata); + rc = tape_do_io(device, request); + if (rc == 0) + memcpy(rdc_data, request->cpdata, sizeof(*rdc_data)); + tape_free_request(request); + return rc; +} + /* * Setup device function */ @@ -1557,7 +1578,7 @@ tape_3590_setup_device(struct tape_device *device) { int rc; struct tape_3590_disc_data *data; - char *rdc_data; + struct tape_3590_rdc_data *rdc_data; DBF_EVENT(6, "3590 device setup\n"); data = kzalloc(sizeof(struct tape_3590_disc_data), GFP_KERNEL | GFP_DMA); @@ -1566,12 +1587,12 @@ tape_3590_setup_device(struct tape_device *device) data->read_back_op = READ_PREVIOUS; device->discdata = data; - rdc_data = kmalloc(64, GFP_KERNEL | GFP_DMA); + rdc_data = kmalloc(sizeof(*rdc_data), GFP_KERNEL | GFP_DMA); if (!rdc_data) { rc = -ENOMEM; goto fail_kmalloc; } - rc = read_dev_chars(device->cdev, (void**)&rdc_data, 64); + rc = tape_3590_read_dev_chars(device, rdc_data); if (rc) { DBF_LH(3, "Read device characteristics failed!\n"); goto fail_kmalloc; @@ -1579,7 +1600,7 @@ tape_3590_setup_device(struct tape_device *device) rc = tape_std_assign(device); if (rc) goto fail_rdc_data; - if (rdc_data[31] == 0x13) { + if (rdc_data->data[31] == 0x13) { PRINT_INFO("Device has crypto support\n"); data->crypt_info.capability |= TAPE390_CRYPT_SUPPORTED_MASK; tape_3592_disable_crypt(device); |