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 */
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
*/