diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/pci_caps.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/pci_caps.c b/lib/pci_caps.c index f6a3abc..d7d312f 100644 --- a/lib/pci_caps.c +++ b/lib/pci_caps.c @@ -293,12 +293,44 @@ handle_px_pxdc_write(vfu_ctx_t *vfu_ctx, struct pxcap *px, } static int +handle_px_pxdc2_write(vfu_ctx_t *vfu_ctx, struct pxcap *px, + const union pxdc2 *const p) +{ + assert(px != NULL); + assert(p != NULL); + + if (p->raw != px->pxdc2.raw) { + vfu_log(vfu_ctx, LOG_DEBUG, "Device Control 2 set to %#x", p->raw); + } + px->pxdc2 = *p; + return 0; +} + +static int +handle_px_pxlc2_write(vfu_ctx_t *vfu_ctx, struct pxcap *px, + const struct pxlc2 *const p) +{ + assert(px != NULL); + assert(p != NULL); + + if (p->stuff != px->pxlc2.stuff) { + vfu_log(vfu_ctx, LOG_DEBUG, "Link Control 2 set to %#x", p->stuff); + } + px->pxlc2 = *p; + return 0; +} + +static int handle_px_write_2_bytes(vfu_ctx_t *vfu_ctx, struct pxcap *px, char *buf, loff_t off) { switch (off) { case offsetof(struct pxcap, pxdc): return handle_px_pxdc_write(vfu_ctx, px, (union pxdc *)buf); + case offsetof(struct pxcap, pxdc2): + return handle_px_pxdc2_write(vfu_ctx, px, (union pxdc2 *)buf); + case offsetof(struct pxcap, pxlc2): + return handle_px_pxlc2_write(vfu_ctx, px, (struct pxlc2 *)buf); } return ERROR_INT(EINVAL); } |