NTB: Add split BAR output for debugfs stats
When split BAR is enabled, the driver needs to dump out the split BAR registers rather than the original 64bit BAR registers. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
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fd839bf884
commit
bf44fe4671
1 changed files with 68 additions and 15 deletions
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@ -632,17 +632,36 @@ static ssize_t ndev_debugfs_read(struct file *filp, char __user *ubuf,
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off += scnprintf(buf + off, buf_size - off,
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"XLAT23 -\t\t%#018llx\n", u.v64);
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u.v64 = ioread64(mmio + bar2_off(ndev->xlat_reg->bar2_xlat, 4));
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off += scnprintf(buf + off, buf_size - off,
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"XLAT45 -\t\t%#018llx\n", u.v64);
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if (ndev->bar4_split) {
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u.v32 = ioread32(mmio + bar2_off(ndev->xlat_reg->bar2_xlat, 4));
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off += scnprintf(buf + off, buf_size - off,
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"XLAT4 -\t\t\t%#06x\n", u.v32);
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u.v32 = ioread32(mmio + bar2_off(ndev->xlat_reg->bar2_xlat, 5));
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off += scnprintf(buf + off, buf_size - off,
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"XLAT5 -\t\t\t%#06x\n", u.v32);
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} else {
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u.v64 = ioread64(mmio + bar2_off(ndev->xlat_reg->bar2_xlat, 4));
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off += scnprintf(buf + off, buf_size - off,
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"XLAT45 -\t\t%#018llx\n", u.v64);
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}
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u.v64 = ioread64(mmio + bar2_off(ndev->xlat_reg->bar2_limit, 2));
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off += scnprintf(buf + off, buf_size - off,
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"LMT23 -\t\t\t%#018llx\n", u.v64);
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u.v64 = ioread64(mmio + bar2_off(ndev->xlat_reg->bar2_limit, 4));
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off += scnprintf(buf + off, buf_size - off,
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"LMT45 -\t\t\t%#018llx\n", u.v64);
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if (ndev->bar4_split) {
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u.v32 = ioread32(mmio + bar2_off(ndev->xlat_reg->bar2_limit, 4));
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off += scnprintf(buf + off, buf_size - off,
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"LMT4 -\t\t\t%#06x\n", u.v32);
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u.v32 = ioread32(mmio + bar2_off(ndev->xlat_reg->bar2_limit, 5));
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off += scnprintf(buf + off, buf_size - off,
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"LMT5 -\t\t\t%#06x\n", u.v32);
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} else {
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u.v64 = ioread64(mmio + bar2_off(ndev->xlat_reg->bar2_limit, 4));
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off += scnprintf(buf + off, buf_size - off,
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"LMT45 -\t\t\t%#018llx\n", u.v64);
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}
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if (pdev_is_xeon(ndev->ntb.pdev)) {
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if (ntb_topo_is_b2b(ndev->ntb.topo)) {
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@ -653,17 +672,41 @@ static ssize_t ndev_debugfs_read(struct file *filp, char __user *ubuf,
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off += scnprintf(buf + off, buf_size - off,
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"B2B XLAT23 -\t\t%#018llx\n", u.v64);
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u.v64 = ioread64(mmio + XEON_PBAR45XLAT_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"B2B XLAT45 -\t\t%#018llx\n", u.v64);
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if (ndev->bar4_split) {
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u.v32 = ioread32(mmio + XEON_PBAR4XLAT_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"B2B XLAT4 -\t\t%#06x\n",
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u.v32);
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u.v32 = ioread32(mmio + XEON_PBAR5XLAT_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"B2B XLAT5 -\t\t%#06x\n",
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u.v32);
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} else {
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u.v64 = ioread64(mmio + XEON_PBAR45XLAT_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"B2B XLAT45 -\t\t%#018llx\n",
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u.v64);
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}
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u.v64 = ioread64(mmio + XEON_PBAR23LMT_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"B2B LMT23 -\t\t%#018llx\n", u.v64);
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u.v64 = ioread64(mmio + XEON_PBAR45LMT_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"B2B LMT45 -\t\t%#018llx\n", u.v64);
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if (ndev->bar4_split) {
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u.v32 = ioread32(mmio + XEON_PBAR4LMT_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"B2B LMT4 -\t\t%#06x\n",
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u.v32);
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u.v32 = ioread32(mmio + XEON_PBAR5LMT_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"B2B LMT5 -\t\t%#06x\n",
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u.v32);
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} else {
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u.v64 = ioread64(mmio + XEON_PBAR45LMT_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"B2B LMT45 -\t\t%#018llx\n",
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u.v64);
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}
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off += scnprintf(buf + off, buf_size - off,
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"\nNTB Secondary BAR:\n");
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@ -676,9 +719,19 @@ static ssize_t ndev_debugfs_read(struct file *filp, char __user *ubuf,
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off += scnprintf(buf + off, buf_size - off,
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"SBAR23 -\t\t%#018llx\n", u.v64);
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u.v64 = ioread64(mmio + XEON_SBAR45BASE_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"SBAR45 -\t\t%#018llx\n", u.v64);
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if (ndev->bar4_split) {
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u.v32 = ioread32(mmio + XEON_SBAR4BASE_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"SBAR4 -\t\t\t%#06x\n", u.v32);
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u.v32 = ioread32(mmio + XEON_SBAR5BASE_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"SBAR5 -\t\t\t%#06x\n", u.v32);
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} else {
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u.v64 = ioread64(mmio + XEON_SBAR45BASE_OFFSET);
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off += scnprintf(buf + off, buf_size - off,
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"SBAR45 -\t\t%#018llx\n",
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u.v64);
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}
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}
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off += scnprintf(buf + off, buf_size - off,
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