diff options
| author | Ian Moffett <ian@osmora.org> | 2025-10-14 20:25:22 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-10-14 20:25:22 -0400 |
| commit | 58af5dfa5771045850be3086a2da18be44d3077a (patch) | |
| tree | 5bc9c64af8e210531367ce5e6989bb2ef9136da6 /src/sys/io | |
| parent | aaa076ff1d68545085fb85ee24d5410b60a123bd (diff) | |
kern: ahci: Implement DMS read interface
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'src/sys/io')
| -rw-r--r-- | src/sys/io/ic/ahci.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/sys/io/ic/ahci.c b/src/sys/io/ic/ahci.c index 48560a8..383e531 100644 --- a/src/sys/io/ic/ahci.c +++ b/src/sys/io/ic/ahci.c @@ -387,10 +387,10 @@ ahci_rw(struct ahci_hba *hba, struct ahci_port *port, struct bufargs *bufd) } /* - * DMS write interface + * DMS read/write interface */ static ssize_t -sata_write(struct dms_disk *dp, void *p, off_t off, size_t len) +sata_rw(struct dms_disk *dp, void *p, off_t off, size_t len, bool rw) { struct bufargs bd; struct ahci_port *port; @@ -417,7 +417,7 @@ sata_write(struct dms_disk *dp, void *p, off_t off, size_t len) bd.buf = p; bd.nblocks = real_len / bsize; bd.lba = real_off / bsize; - bd.write = 1; + bd.write = rw; error = ahci_rw((void *)port->parent, port, &bd); if (error < 0) { @@ -427,6 +427,18 @@ sata_write(struct dms_disk *dp, void *p, off_t off, size_t len) return real_len; } +static ssize_t +sata_write(struct dms_disk *dp, void *p, off_t off, size_t len) +{ + return sata_rw(dp, p, off, len, true); +} + +static ssize_t +sata_read(struct dms_disk *dp, void *p, off_t off, size_t len) +{ + return sata_rw(dp, p, off, len, false); +} + /* * Stop a running port, turn off the command list engine, * as well as its FIS receive engine @@ -877,7 +889,7 @@ ahci_attach(struct pci_adv *adv) static struct dms_ops dms_ops = { .write = sata_write, - .read = NULL + .read = sata_read }; static struct pci_adv driver = { |