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| author | Helge Deller <deller@gmx.de> | 2023-12-09 10:24:54 +0100 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2024-01-04 18:48:50 +0100 |
| commit | b4d48fcdc3f73ec0d335024abd836bf13fea3959 (patch) | |
| tree | 2bdfed3be0c5fdf3fc1b6d3c9a6b6c7e9c88243b | |
| parent | b77d66680283670ccfb7277c61f0360752f04be1 (diff) | |
| download | seabios-hppa-b4d48fcdc3f73ec0d335024abd836bf13fea3959.zip seabios-hppa-b4d48fcdc3f73ec0d335024abd836bf13fea3959.tar.gz seabios-hppa-b4d48fcdc3f73ec0d335024abd836bf13fea3959.tar.bz2 | |
parisc/scsi: Add maximum transfer size per SCSI controller
LSI controller allows up to 4MB transactions per call, the ESP controller only
up to 64k per call.
Values for other drivers need to be added too.
Signed-off-by: Helge Deller <deller@gmx.de>
| -rw-r--r-- | src/block.h | 1 | ||||
| -rw-r--r-- | src/hw/esp-scsi.c | 1 | ||||
| -rw-r--r-- | src/hw/lsi-scsi.c | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/src/block.h b/src/block.h index 5cd2e5d..f780847 100644 --- a/src/block.h +++ b/src/block.h @@ -51,6 +51,7 @@ struct drive_s { struct chs_s lchs; // Logical CHS u64 sectors; // Total sectors count u32 cntl_id; // Unique id for a given driver type. + u32 max_bytes_transfer; // maximum number of bytes which can bet transferred at once u8 removable; // Is media removable (currently unused) // Info for EDD calls diff --git a/src/hw/esp-scsi.c b/src/hw/esp-scsi.c index 38c95c1..ab161de 100644 --- a/src/hw/esp-scsi.c +++ b/src/hw/esp-scsi.c @@ -180,6 +180,7 @@ esp_scsi_init_lun(struct esp_lun_s *llun, struct pci_device *pci, u32 iobase, { memset(llun, 0, sizeof(*llun)); llun->drive.type = DTYPE_ESP_SCSI; + llun->drive.max_bytes_transfer = 64*1024; /* 64kb */ llun->drive.cntl_id = pci->bdf; llun->pci = pci; llun->target = target; diff --git a/src/hw/lsi-scsi.c b/src/hw/lsi-scsi.c index 5583bd6..784d3e2 100644 --- a/src/hw/lsi-scsi.c +++ b/src/hw/lsi-scsi.c @@ -142,6 +142,7 @@ lsi_scsi_init_lun(struct lsi_lun_s *llun, struct pci_device *pci, u32 iobase, { memset(llun, 0, sizeof(*llun)); llun->drive.type = DTYPE_LSI_SCSI; + llun->drive.max_bytes_transfer = 4*1024*1024; /* 4 MB */ llun->drive.cntl_id = pci->bdf; llun->pci = pci; llun->target = target; |