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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-16 09:09:24 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-16 09:09:24 +0200
commit500f0716b5f7fd6b0ff3d045588c7588ce2eee1d (patch)
tree05cfa2e77069af443f06bcfbf327f9aa2050eec7 /include/linux/libata.h
parent4eb44f69e77141992e305d9e75e021b196071cdd (diff)
parent9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff)
Merge 4.18-rc5 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/libata.h')
-rw-r--r--include/linux/libata.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 8b8946dd63b9..32f247cb5e9e 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -210,6 +210,7 @@ enum {
ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */
/* (doesn't imply presence) */
ATA_FLAG_SATA = (1 << 1),
+ ATA_FLAG_NO_LPM = (1 << 2), /* host not happy with LPM */
ATA_FLAG_NO_LOG_PAGE = (1 << 5), /* do not issue log page read */
ATA_FLAG_NO_ATAPI = (1 << 6), /* No ATAPI support */
ATA_FLAG_PIO_DMA = (1 << 7), /* PIO cmds via DMA */
@@ -1495,6 +1496,29 @@ static inline bool ata_tag_valid(unsigned int tag)
return tag < ATA_MAX_QUEUE || ata_tag_internal(tag);
}
+#define __ata_qc_for_each(ap, qc, tag, max_tag, fn) \
+ for ((tag) = 0; (tag) < (max_tag) && \
+ ({ qc = fn((ap), (tag)); 1; }); (tag)++) \
+
+/*
+ * Internal use only, iterate commands ignoring error handling and
+ * status of 'qc'.
+ */
+#define ata_qc_for_each_raw(ap, qc, tag) \
+ __ata_qc_for_each(ap, qc, tag, ATA_MAX_QUEUE, __ata_qc_from_tag)
+
+/*
+ * Iterate all potential commands that can be queued
+ */
+#define ata_qc_for_each(ap, qc, tag) \
+ __ata_qc_for_each(ap, qc, tag, ATA_MAX_QUEUE, ata_qc_from_tag)
+
+/*
+ * Like ata_qc_for_each, but with the internal tag included
+ */
+#define ata_qc_for_each_with_internal(ap, qc, tag) \
+ __ata_qc_for_each(ap, qc, tag, ATA_MAX_QUEUE + 1, ata_qc_from_tag)
+
/*
* device helpers
*/