From 5fb5b80ca4aed97ef01858bfc19a9e752dd25e83 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Mon, 26 May 2025 02:03:44 -0400
Subject: kernel: ahci: Add ahci_dev_bsize()

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/dev/ic/ahci.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'sys/dev/ic')

diff --git a/sys/dev/ic/ahci.c b/sys/dev/ic/ahci.c
index c7ef2cc..d07acd7 100644
--- a/sys/dev/ic/ahci.c
+++ b/sys/dev/ic/ahci.c
@@ -711,6 +711,21 @@ ahci_dev_write(dev_t dev, struct sio_txn *sio, int flags)
     return sata_dev_rw(dev, sio, true);
 }
 
+/*
+ * Device interface number of blocks
+ */
+static int
+ahci_dev_bsize(dev_t dev)
+{
+    struct hba_device *dp;
+
+    if ((dp = ahci_get_dev(dev)) == NULL) {
+        return -ENODEV;
+    }
+
+    return dp->nlba;
+}
+
 /*
  * Initialize a drive on an HBA port
  *
@@ -1000,6 +1015,7 @@ ahci_init(void)
 static struct bdevsw ahci_bdevsw = {
     .read = ahci_dev_read,
     .write = ahci_dev_write,
+    .bsize = ahci_dev_bsize
 };
 
 DRIVER_EXPORT(ahci_init);
-- 
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