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charset="utf-8" From: Jared Rossi Store the device type (e.g. block) directly as an attribute of the VDev rat= her than assume all devices can be identified by accessing CCW specific sense d= ata. Reviewed-by: Thomas Huth Reviewed-by: Farhan Ali Signed-off-by: Jared Rossi Message-ID: <20260309003601.242634-6-jrossi@linux.ibm.com> Signed-off-by: Thomas Huth --- pc-bios/s390-ccw/virtio.h | 1 + pc-bios/s390-ccw/main.c | 2 +- pc-bios/s390-ccw/virtio-blkdev.c | 39 +++++++++++++++++++------------- pc-bios/s390-ccw/virtio.c | 11 ++++++--- 4 files changed, 33 insertions(+), 20 deletions(-) diff --git a/pc-bios/s390-ccw/virtio.h b/pc-bios/s390-ccw/virtio.h index 391d6ff2f7f..39b507b2219 100644 --- a/pc-bios/s390-ccw/virtio.h +++ b/pc-bios/s390-ccw/virtio.h @@ -239,6 +239,7 @@ struct VDev { SubChannelId schid; SenseId senseid; S390IplType ipl_type; + VirtioDevType dev_type; union { VirtioBlkConfig blk; VirtioScsiConfig scsi; diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c index 2e9261904fa..64bde497103 100644 --- a/pc-bios/s390-ccw/main.c +++ b/pc-bios/s390-ccw/main.c @@ -251,7 +251,7 @@ static int virtio_setup(void) vdev->is_cdrom =3D false; int ret; =20 - switch (vdev->senseid.cu_model) { + switch (vdev->dev_type) { case VIRTIO_ID_NET: puts("Network boot device detected"); return 0; diff --git a/pc-bios/s390-ccw/virtio-blkdev.c b/pc-bios/s390-ccw/virtio-blk= dev.c index 019c2718b18..9cc40e9108d 100644 --- a/pc-bios/s390-ccw/virtio-blkdev.c +++ b/pc-bios/s390-ccw/virtio-blkdev.c @@ -53,14 +53,14 @@ int virtio_read_many(unsigned long sector, void *load_a= ddr, int sec_num) { VDev *vdev =3D virtio_get_device(); =20 - switch (vdev->senseid.cu_model) { + switch (vdev->dev_type) { case VIRTIO_ID_BLOCK: return virtio_blk_read_many(vdev, sector, load_addr, sec_num); case VIRTIO_ID_SCSI: return virtio_scsi_read_many(vdev, sector, load_addr, sec_num); + default: + return -1; } - - return -1; } =20 unsigned long virtio_load_direct(unsigned long rec_list1, unsigned long re= c_list2, @@ -119,7 +119,7 @@ void virtio_assume_iso9660(void) { VDev *vdev =3D virtio_get_device(); =20 - switch (vdev->senseid.cu_model) { + switch (vdev->dev_type) { case VIRTIO_ID_BLOCK: vdev->guessed_disk_nature =3D VIRTIO_GDN_SCSI; vdev->config.blk.blk_size =3D VIRTIO_ISO_BLOCK_SIZE; @@ -129,6 +129,8 @@ void virtio_assume_iso9660(void) case VIRTIO_ID_SCSI: vdev->scsi_block_size =3D VIRTIO_ISO_BLOCK_SIZE; break; + default: + return; } } =20 @@ -139,13 +141,15 @@ void virtio_assume_eckd(void) vdev->guessed_disk_nature =3D VIRTIO_GDN_DASD; vdev->blk_factor =3D 1; vdev->config.blk.physical_block_exp =3D 0; - switch (vdev->senseid.cu_model) { + switch (vdev->dev_type) { case VIRTIO_ID_BLOCK: vdev->config.blk.blk_size =3D VIRTIO_DASD_DEFAULT_BLOCK_SIZE; break; case VIRTIO_ID_SCSI: vdev->config.blk.blk_size =3D vdev->scsi_block_size; break; + default: + break; } vdev->config.blk.geometry.heads =3D 15; vdev->config.blk.geometry.sectors =3D @@ -162,50 +166,52 @@ bool virtio_ipl_disk_is_valid(void) return true; } =20 - return (vdev->senseid.cu_model =3D=3D VIRTIO_ID_BLOCK || - vdev->senseid.cu_model =3D=3D VIRTIO_ID_SCSI) && - blksize >=3D 512 && blksize <=3D 4096; + return (vdev->dev_type =3D=3D VIRTIO_ID_BLOCK || vdev->dev_type =3D=3D= VIRTIO_ID_SCSI) + && blksize >=3D 512 && blksize <=3D 4096; } =20 int virtio_get_block_size(void) { VDev *vdev =3D virtio_get_device(); =20 - switch (vdev->senseid.cu_model) { + switch (vdev->dev_type) { case VIRTIO_ID_BLOCK: return vdev->config.blk.blk_size; case VIRTIO_ID_SCSI: return vdev->scsi_block_size; + default: + return 0; } - return 0; } =20 uint8_t virtio_get_heads(void) { VDev *vdev =3D virtio_get_device(); =20 - switch (vdev->senseid.cu_model) { + switch (vdev->dev_type) { case VIRTIO_ID_BLOCK: return vdev->config.blk.geometry.heads; case VIRTIO_ID_SCSI: return vdev->guessed_disk_nature =3D=3D VIRTIO_GDN_DASD ? vdev->config.blk.geometry.heads : 255; + default: + return 0; } - return 0; } =20 uint8_t virtio_get_sectors(void) { VDev *vdev =3D virtio_get_device(); =20 - switch (vdev->senseid.cu_model) { + switch (vdev->dev_type) { case VIRTIO_ID_BLOCK: return vdev->config.blk.geometry.sectors; case VIRTIO_ID_SCSI: return vdev->guessed_disk_nature =3D=3D VIRTIO_GDN_DASD ? vdev->config.blk.geometry.sectors : 63; + default: + return 0; } - return 0; } =20 uint64_t virtio_get_blocks(void) @@ -213,13 +219,14 @@ uint64_t virtio_get_blocks(void) VDev *vdev =3D virtio_get_device(); const uint64_t factor =3D virtio_get_block_size() / VIRTIO_SECTOR_SIZE; =20 - switch (vdev->senseid.cu_model) { + switch (vdev->dev_type) { case VIRTIO_ID_BLOCK: return vdev->config.blk.capacity / factor; case VIRTIO_ID_SCSI: return vdev->scsi_last_block / factor; + default: + return 0; } - return 0; } =20 int virtio_blk_setup_device(SubChannelId schid) diff --git a/pc-bios/s390-ccw/virtio.c b/pc-bios/s390-ccw/virtio.c index f384a990dcc..5dd407d5c9b 100644 --- a/pc-bios/s390-ccw/virtio.c +++ b/pc-bios/s390-ccw/virtio.c @@ -41,7 +41,7 @@ VDev *virtio_get_device(void) =20 VirtioDevType virtio_get_device_type(void) { - return vdev.senseid.cu_model; + return vdev.dev_type; } =20 /* virtio spec v1.0 para 4.3.3.2 */ @@ -248,7 +248,7 @@ int virtio_setup_ccw(VDev *vdev) return -EIO; } =20 - switch (vdev->senseid.cu_model) { + switch (vdev->dev_type) { case VIRTIO_ID_NET: vdev->nr_vqs =3D 2; vdev->cmd_vr_idx =3D 0; @@ -346,12 +346,17 @@ bool virtio_is_supported(SubChannelId schid) true)) { return false; } + + vdev.dev_type =3D vdev.senseid.cu_model; + if (vdev.senseid.cu_type =3D=3D 0x3832) { - switch (vdev.senseid.cu_model) { + switch (vdev.dev_type) { case VIRTIO_ID_BLOCK: case VIRTIO_ID_SCSI: case VIRTIO_ID_NET: return true; + default: + return false; } } return false; --=20 2.53.0