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Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: Fix bug - Implement bfin ata interrupt handler to avoid "irq 68 nobody cared" (v2) sata_mv: Improve naming of main_irq cause/mask identifiers libata-scsi: improve rbuf handling for simulated commands libata-scsi: clean up inquiry / mode sense related functions [MIPS] ATA: Rename routerboard 500 to 532
This commit is contained in:
Linus Torvalds
commit
c135b6592b
@ -566,11 +566,11 @@ config PATA_RADISYS
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If unsure, say N.
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config PATA_RB500
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tristate "RouterBoard 500 PATA CompactFlash support"
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depends on MIKROTIK_RB500
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config PATA_RB532
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tristate "RouterBoard 532 PATA CompactFlash support"
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depends on MIKROTIK_RB532
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help
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This option enables support for the RouterBoard 500
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This option enables support for the RouterBoard 532
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PATA CompactFlash controller.
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If unsure, say N.
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@ -55,7 +55,7 @@ obj-$(CONFIG_PATA_PDC2027X) += pata_pdc2027x.o
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obj-$(CONFIG_PATA_PDC_OLD) += pata_pdc202xx_old.o
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obj-$(CONFIG_PATA_QDI) += pata_qdi.o
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obj-$(CONFIG_PATA_RADISYS) += pata_radisys.o
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obj-$(CONFIG_PATA_RB500) += pata_rb500_cf.o
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obj-$(CONFIG_PATA_RB532) += pata_rb532_cf.o
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obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o
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obj-$(CONFIG_PATA_SC1200) += pata_sc1200.o
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obj-$(CONFIG_PATA_SERVERWORKS) += pata_serverworks.o
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@ -49,7 +49,11 @@
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#include "libata.h"
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#define SECTOR_SIZE 512
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#define SECTOR_SIZE 512
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#define ATA_SCSI_RBUF_SIZE 4096
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static DEFINE_SPINLOCK(ata_scsi_rbuf_lock);
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static u8 ata_scsi_rbuf[ATA_SCSI_RBUF_SIZE];
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typedef unsigned int (*ata_xlat_func_t)(struct ata_queued_cmd *qc);
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@ -179,6 +183,13 @@ DEVICE_ATTR(link_power_management_policy, S_IRUGO | S_IWUSR,
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ata_scsi_lpm_show, ata_scsi_lpm_put);
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EXPORT_SYMBOL_GPL(dev_attr_link_power_management_policy);
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static void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq)
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{
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cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
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scsi_build_sense_buffer(0, cmd->sense_buffer, sk, asc, ascq);
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}
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static void ata_scsi_invalid_field(struct scsi_cmnd *cmd,
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void (*done)(struct scsi_cmnd *))
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{
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@ -1632,53 +1643,48 @@ defer:
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/**
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* ata_scsi_rbuf_get - Map response buffer.
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* @cmd: SCSI command containing buffer to be mapped.
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* @buf_out: Pointer to mapped area.
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* @flags: unsigned long variable to store irq enable status
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* @copy_in: copy in from user buffer
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*
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* Maps buffer contained within SCSI command @cmd.
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* Prepare buffer for simulated SCSI commands.
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*
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* LOCKING:
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* spin_lock_irqsave(host lock)
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* spin_lock_irqsave(ata_scsi_rbuf_lock) on success
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*
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* RETURNS:
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* Length of response buffer.
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* Pointer to response buffer.
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*/
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static unsigned int ata_scsi_rbuf_get(struct scsi_cmnd *cmd, u8 **buf_out)
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static void *ata_scsi_rbuf_get(struct scsi_cmnd *cmd, bool copy_in,
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unsigned long *flags)
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{
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u8 *buf;
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unsigned int buflen;
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spin_lock_irqsave(&ata_scsi_rbuf_lock, *flags);
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struct scatterlist *sg = scsi_sglist(cmd);
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if (sg) {
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buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
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buflen = sg->length;
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} else {
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buf = NULL;
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buflen = 0;
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}
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*buf_out = buf;
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return buflen;
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memset(ata_scsi_rbuf, 0, ATA_SCSI_RBUF_SIZE);
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if (copy_in)
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sg_copy_to_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),
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ata_scsi_rbuf, ATA_SCSI_RBUF_SIZE);
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return ata_scsi_rbuf;
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}
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/**
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* ata_scsi_rbuf_put - Unmap response buffer.
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* @cmd: SCSI command containing buffer to be unmapped.
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* @buf: buffer to unmap
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* @copy_out: copy out result
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* @flags: @flags passed to ata_scsi_rbuf_get()
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*
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* Unmaps response buffer contained within @cmd.
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* Returns rbuf buffer. The result is copied to @cmd's buffer if
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* @copy_back is true.
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*
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* LOCKING:
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* spin_lock_irqsave(host lock)
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* Unlocks ata_scsi_rbuf_lock.
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*/
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static inline void ata_scsi_rbuf_put(struct scsi_cmnd *cmd, u8 *buf)
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static inline void ata_scsi_rbuf_put(struct scsi_cmnd *cmd, bool copy_out,
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unsigned long *flags)
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{
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struct scatterlist *sg = scsi_sglist(cmd);
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if (sg)
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kunmap_atomic(buf - sg->offset, KM_IRQ0);
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if (copy_out)
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sg_copy_from_buffer(scsi_sglist(cmd), scsi_sg_count(cmd),
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ata_scsi_rbuf, ATA_SCSI_RBUF_SIZE);
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spin_unlock_irqrestore(&ata_scsi_rbuf_lock, *flags);
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}
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/**
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@ -1696,51 +1702,27 @@ static inline void ata_scsi_rbuf_put(struct scsi_cmnd *cmd, u8 *buf)
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* LOCKING:
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* spin_lock_irqsave(host lock)
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*/
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void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
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unsigned int (*actor) (struct ata_scsi_args *args,
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u8 *rbuf, unsigned int buflen))
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static void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
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unsigned int (*actor)(struct ata_scsi_args *args, u8 *rbuf))
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{
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u8 *rbuf;
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unsigned int buflen, rc;
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unsigned int rc;
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struct scsi_cmnd *cmd = args->cmd;
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unsigned long flags;
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local_irq_save(flags);
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buflen = ata_scsi_rbuf_get(cmd, &rbuf);
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memset(rbuf, 0, buflen);
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rc = actor(args, rbuf, buflen);
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ata_scsi_rbuf_put(cmd, rbuf);
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local_irq_restore(flags);
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rbuf = ata_scsi_rbuf_get(cmd, false, &flags);
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rc = actor(args, rbuf);
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ata_scsi_rbuf_put(cmd, rc == 0, &flags);
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if (rc == 0)
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cmd->result = SAM_STAT_GOOD;
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args->done(cmd);
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}
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/**
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* ATA_SCSI_RBUF_SET - helper to set values in SCSI response buffer
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* @idx: byte index into SCSI response buffer
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* @val: value to set
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*
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* To be used by SCSI command simulator functions. This macros
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* expects two local variables, u8 *rbuf and unsigned int buflen,
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* are in scope.
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*
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* LOCKING:
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* None.
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*/
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#define ATA_SCSI_RBUF_SET(idx, val) do { \
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if ((idx) < buflen) rbuf[(idx)] = (u8)(val); \
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} while (0)
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/**
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* ata_scsiop_inq_std - Simulate INQUIRY command
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* @args: device IDENTIFY data / SCSI command of interest.
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* @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
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* @buflen: Response buffer length.
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*
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* Returns standard device identification data associated
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* with non-VPD INQUIRY command output.
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@ -1748,10 +1730,17 @@ void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
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* LOCKING:
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* spin_lock_irqsave(host lock)
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*/
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unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen)
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static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
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{
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const u8 versions[] = {
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0x60, /* SAM-3 (no version claimed) */
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0x03,
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0x20, /* SBC-2 (no version claimed) */
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0x02,
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0x60 /* SPC-3 (no version claimed) */
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};
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u8 hdr[] = {
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TYPE_DISK,
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0,
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@ -1760,35 +1749,21 @@ unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
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95 - 4
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};
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VPRINTK("ENTER\n");
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/* set scsi removeable (RMB) bit per ata bit */
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if (ata_id_removeable(args->id))
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hdr[1] |= (1 << 7);
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VPRINTK("ENTER\n");
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memcpy(rbuf, hdr, sizeof(hdr));
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memcpy(&rbuf[8], "ATA ", 8);
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ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16);
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ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4);
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if (buflen > 35) {
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memcpy(&rbuf[8], "ATA ", 8);
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ata_id_string(args->id, &rbuf[16], ATA_ID_PROD, 16);
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ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4);
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if (rbuf[32] == 0 || rbuf[32] == ' ')
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memcpy(&rbuf[32], "n/a ", 4);
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}
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if (rbuf[32] == 0 || rbuf[32] == ' ')
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memcpy(&rbuf[32], "n/a ", 4);
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if (buflen > 63) {
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const u8 versions[] = {
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0x60, /* SAM-3 (no version claimed) */
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0x03,
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0x20, /* SBC-2 (no version claimed) */
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0x02,
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0x60 /* SPC-3 (no version claimed) */
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};
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memcpy(rbuf + 59, versions, sizeof(versions));
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}
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memcpy(rbuf + 59, versions, sizeof(versions));
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return 0;
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}
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@ -1797,27 +1772,22 @@ unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
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* ata_scsiop_inq_00 - Simulate INQUIRY VPD page 0, list of pages
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* @args: device IDENTIFY data / SCSI command of interest.
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* @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
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* @buflen: Response buffer length.
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*
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* Returns list of inquiry VPD pages available.
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*
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* LOCKING:
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* spin_lock_irqsave(host lock)
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*/
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unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen)
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static unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf)
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{
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const u8 pages[] = {
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0x00, /* page 0x00, this page */
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0x80, /* page 0x80, unit serial no page */
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0x83 /* page 0x83, device ident page */
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};
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rbuf[3] = sizeof(pages); /* number of supported VPD pages */
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if (buflen > 6)
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memcpy(rbuf + 4, pages, sizeof(pages));
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memcpy(rbuf + 4, pages, sizeof(pages));
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return 0;
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}
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@ -1825,16 +1795,13 @@ unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
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* ata_scsiop_inq_80 - Simulate INQUIRY VPD page 80, device serial number
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* @args: device IDENTIFY data / SCSI command of interest.
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* @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
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* @buflen: Response buffer length.
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*
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* Returns ATA device serial number.
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*
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* LOCKING:
|
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* spin_lock_irqsave(host lock)
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*/
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unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
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unsigned int buflen)
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static unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf)
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{
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const u8 hdr[] = {
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0,
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@ -1842,12 +1809,10 @@ unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
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0,
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ATA_ID_SERNO_LEN, /* page len */
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};
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memcpy(rbuf, hdr, sizeof(hdr));
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|
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if (buflen > (ATA_ID_SERNO_LEN + 4 - 1))
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ata_id_string(args->id, (unsigned char *) &rbuf[4],
|
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ATA_ID_SERNO, ATA_ID_SERNO_LEN);
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|
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ata_id_string(args->id, (unsigned char *) &rbuf[4],
|
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ATA_ID_SERNO, ATA_ID_SERNO_LEN);
|
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return 0;
|
||||
}
|
||||
|
||||
@ -1855,7 +1820,6 @@ unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
|
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* ata_scsiop_inq_83 - Simulate INQUIRY VPD page 83, device identity
|
||||
* @args: device IDENTIFY data / SCSI command of interest.
|
||||
* @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
|
||||
* @buflen: Response buffer length.
|
||||
*
|
||||
* Yields two logical unit device identification designators:
|
||||
* - vendor specific ASCII containing the ATA serial number
|
||||
@ -1865,41 +1829,37 @@ unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
|
||||
* LOCKING:
|
||||
* spin_lock_irqsave(host lock)
|
||||
*/
|
||||
|
||||
unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen)
|
||||
static unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf)
|
||||
{
|
||||
int num;
|
||||
const int sat_model_serial_desc_len = 68;
|
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int num;
|
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|
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rbuf[1] = 0x83; /* this page code */
|
||||
num = 4;
|
||||
|
||||
if (buflen > (ATA_ID_SERNO_LEN + num + 3)) {
|
||||
/* piv=0, assoc=lu, code_set=ACSII, designator=vendor */
|
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rbuf[num + 0] = 2;
|
||||
rbuf[num + 3] = ATA_ID_SERNO_LEN;
|
||||
num += 4;
|
||||
ata_id_string(args->id, (unsigned char *) rbuf + num,
|
||||
ATA_ID_SERNO, ATA_ID_SERNO_LEN);
|
||||
num += ATA_ID_SERNO_LEN;
|
||||
}
|
||||
if (buflen > (sat_model_serial_desc_len + num + 3)) {
|
||||
/* SAT defined lu model and serial numbers descriptor */
|
||||
/* piv=0, assoc=lu, code_set=ACSII, designator=t10 vendor id */
|
||||
rbuf[num + 0] = 2;
|
||||
rbuf[num + 1] = 1;
|
||||
rbuf[num + 3] = sat_model_serial_desc_len;
|
||||
num += 4;
|
||||
memcpy(rbuf + num, "ATA ", 8);
|
||||
num += 8;
|
||||
ata_id_string(args->id, (unsigned char *) rbuf + num,
|
||||
ATA_ID_PROD, ATA_ID_PROD_LEN);
|
||||
num += ATA_ID_PROD_LEN;
|
||||
ata_id_string(args->id, (unsigned char *) rbuf + num,
|
||||
ATA_ID_SERNO, ATA_ID_SERNO_LEN);
|
||||
num += ATA_ID_SERNO_LEN;
|
||||
}
|
||||
/* piv=0, assoc=lu, code_set=ACSII, designator=vendor */
|
||||
rbuf[num + 0] = 2;
|
||||
rbuf[num + 3] = ATA_ID_SERNO_LEN;
|
||||
num += 4;
|
||||
ata_id_string(args->id, (unsigned char *) rbuf + num,
|
||||
ATA_ID_SERNO, ATA_ID_SERNO_LEN);
|
||||
num += ATA_ID_SERNO_LEN;
|
||||
|
||||
/* SAT defined lu model and serial numbers descriptor */
|
||||
/* piv=0, assoc=lu, code_set=ACSII, designator=t10 vendor id */
|
||||
rbuf[num + 0] = 2;
|
||||
rbuf[num + 1] = 1;
|
||||
rbuf[num + 3] = sat_model_serial_desc_len;
|
||||
num += 4;
|
||||
memcpy(rbuf + num, "ATA ", 8);
|
||||
num += 8;
|
||||
ata_id_string(args->id, (unsigned char *) rbuf + num, ATA_ID_PROD,
|
||||
ATA_ID_PROD_LEN);
|
||||
num += ATA_ID_PROD_LEN;
|
||||
ata_id_string(args->id, (unsigned char *) rbuf + num, ATA_ID_SERNO,
|
||||
ATA_ID_SERNO_LEN);
|
||||
num += ATA_ID_SERNO_LEN;
|
||||
|
||||
rbuf[3] = num - 4; /* page len (assume less than 256 bytes) */
|
||||
return 0;
|
||||
}
|
||||
@ -1908,35 +1868,26 @@ unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
|
||||
* ata_scsiop_inq_89 - Simulate INQUIRY VPD page 89, ATA info
|
||||
* @args: device IDENTIFY data / SCSI command of interest.
|
||||
* @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
|
||||
* @buflen: Response buffer length.
|
||||
*
|
||||
* Yields SAT-specified ATA VPD page.
|
||||
*
|
||||
* LOCKING:
|
||||
* spin_lock_irqsave(host lock)
|
||||
*/
|
||||
|
||||
static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen)
|
||||
static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf)
|
||||
{
|
||||
u8 pbuf[60];
|
||||
struct ata_taskfile tf;
|
||||
unsigned int i;
|
||||
|
||||
if (!buflen)
|
||||
return 0;
|
||||
|
||||
memset(&pbuf, 0, sizeof(pbuf));
|
||||
memset(&tf, 0, sizeof(tf));
|
||||
|
||||
pbuf[1] = 0x89; /* our page code */
|
||||
pbuf[2] = (0x238 >> 8); /* page size fixed at 238h */
|
||||
pbuf[3] = (0x238 & 0xff);
|
||||
rbuf[1] = 0x89; /* our page code */
|
||||
rbuf[2] = (0x238 >> 8); /* page size fixed at 238h */
|
||||
rbuf[3] = (0x238 & 0xff);
|
||||
|
||||
memcpy(&pbuf[8], "linux ", 8);
|
||||
memcpy(&pbuf[16], "libata ", 16);
|
||||
memcpy(&pbuf[32], DRV_VERSION, 4);
|
||||
ata_id_string(args->id, &pbuf[32], ATA_ID_FW_REV, 4);
|
||||
memcpy(&rbuf[8], "linux ", 8);
|
||||
memcpy(&rbuf[16], "libata ", 16);
|
||||
memcpy(&rbuf[32], DRV_VERSION, 4);
|
||||
ata_id_string(args->id, &rbuf[32], ATA_ID_FW_REV, 4);
|
||||
|
||||
/* we don't store the ATA device signature, so we fake it */
|
||||
|
||||
@ -1944,19 +1895,12 @@ static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf,
|
||||
tf.lbal = 0x1;
|
||||
tf.nsect = 0x1;
|
||||
|
||||
ata_tf_to_fis(&tf, 0, 1, &pbuf[36]); /* TODO: PMP? */
|
||||
pbuf[36] = 0x34; /* force D2H Reg FIS (34h) */
|
||||
ata_tf_to_fis(&tf, 0, 1, &rbuf[36]); /* TODO: PMP? */
|
||||
rbuf[36] = 0x34; /* force D2H Reg FIS (34h) */
|
||||
|
||||
pbuf[56] = ATA_CMD_ID_ATA;
|
||||
rbuf[56] = ATA_CMD_ID_ATA;
|
||||
|
||||
i = min(buflen, 60U);
|
||||
memcpy(rbuf, &pbuf[0], i);
|
||||
buflen -= i;
|
||||
|
||||
if (!buflen)
|
||||
return 0;
|
||||
|
||||
memcpy(&rbuf[60], &args->id[0], min(buflen, 512U));
|
||||
memcpy(&rbuf[60], &args->id[0], 512);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1964,7 +1908,6 @@ static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf,
|
||||
* ata_scsiop_noop - Command handler that simply returns success.
|
||||
* @args: device IDENTIFY data / SCSI command of interest.
|
||||
* @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
|
||||
* @buflen: Response buffer length.
|
||||
*
|
||||
* No operation. Simply returns success to caller, to indicate
|
||||
* that the caller should successfully complete this SCSI command.
|
||||
@ -1972,47 +1915,16 @@ static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf,
|
||||
* LOCKING:
|
||||
* spin_lock_irqsave(host lock)
|
||||
*/
|
||||
|
||||
unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen)
|
||||
static unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf)
|
||||
{
|
||||
VPRINTK("ENTER\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* ata_msense_push - Push data onto MODE SENSE data output buffer
|
||||
* @ptr_io: (input/output) Location to store more output data
|
||||
* @last: End of output data buffer
|
||||
* @buf: Pointer to BLOB being added to output buffer
|
||||
* @buflen: Length of BLOB
|
||||
*
|
||||
* Store MODE SENSE data on an output buffer.
|
||||
*
|
||||
* LOCKING:
|
||||
* None.
|
||||
*/
|
||||
|
||||
static void ata_msense_push(u8 **ptr_io, const u8 *last,
|
||||
const u8 *buf, unsigned int buflen)
|
||||
{
|
||||
u8 *ptr = *ptr_io;
|
||||
|
||||
if ((ptr + buflen - 1) > last)
|
||||
return;
|
||||
|
||||
memcpy(ptr, buf, buflen);
|
||||
|
||||
ptr += buflen;
|
||||
|
||||
*ptr_io = ptr;
|
||||
}
|
||||
|
||||
/**
|
||||
* ata_msense_caching - Simulate MODE SENSE caching info page
|
||||
* @id: device IDENTIFY data
|
||||
* @ptr_io: (input/output) Location to store more output data
|
||||
* @last: End of output data buffer
|
||||
* @buf: output buffer
|
||||
*
|
||||
* Generate a caching info page, which conditionally indicates
|
||||
* write caching to the SCSI layer, depending on device
|
||||
@ -2021,58 +1933,43 @@ static void ata_msense_push(u8 **ptr_io, const u8 *last,
|
||||
* LOCKING:
|
||||
* None.
|
||||
*/
|
||||
|
||||
static unsigned int ata_msense_caching(u16 *id, u8 **ptr_io,
|
||||
const u8 *last)
|
||||
static unsigned int ata_msense_caching(u16 *id, u8 *buf)
|
||||
{
|
||||
u8 page[CACHE_MPAGE_LEN];
|
||||
|
||||
memcpy(page, def_cache_mpage, sizeof(page));
|
||||
memcpy(buf, def_cache_mpage, sizeof(def_cache_mpage));
|
||||
if (ata_id_wcache_enabled(id))
|
||||
page[2] |= (1 << 2); /* write cache enable */
|
||||
buf[2] |= (1 << 2); /* write cache enable */
|
||||
if (!ata_id_rahead_enabled(id))
|
||||
page[12] |= (1 << 5); /* disable read ahead */
|
||||
|
||||
ata_msense_push(ptr_io, last, page, sizeof(page));
|
||||
return sizeof(page);
|
||||
buf[12] |= (1 << 5); /* disable read ahead */
|
||||
return sizeof(def_cache_mpage);
|
||||
}
|
||||
|
||||
/**
|
||||
* ata_msense_ctl_mode - Simulate MODE SENSE control mode page
|
||||
* @dev: Device associated with this MODE SENSE command
|
||||
* @ptr_io: (input/output) Location to store more output data
|
||||
* @last: End of output data buffer
|
||||
* @buf: output buffer
|
||||
*
|
||||
* Generate a generic MODE SENSE control mode page.
|
||||
*
|
||||
* LOCKING:
|
||||
* None.
|
||||
*/
|
||||
|
||||
static unsigned int ata_msense_ctl_mode(u8 **ptr_io, const u8 *last)
|
||||
static unsigned int ata_msense_ctl_mode(u8 *buf)
|
||||
{
|
||||
ata_msense_push(ptr_io, last, def_control_mpage,
|
||||
sizeof(def_control_mpage));
|
||||
memcpy(buf, def_control_mpage, sizeof(def_control_mpage));
|
||||
return sizeof(def_control_mpage);
|
||||
}
|
||||
|
||||
/**
|
||||
* ata_msense_rw_recovery - Simulate MODE SENSE r/w error recovery page
|
||||
* @dev: Device associated with this MODE SENSE command
|
||||
* @ptr_io: (input/output) Location to store more output data
|
||||
* @last: End of output data buffer
|
||||
* @bufp: output buffer
|
||||
*
|
||||
* Generate a generic MODE SENSE r/w error recovery page.
|
||||
*
|
||||
* LOCKING:
|
||||
* None.
|
||||
*/
|
||||
|
||||
static unsigned int ata_msense_rw_recovery(u8 **ptr_io, const u8 *last)
|
||||
static unsigned int ata_msense_rw_recovery(u8 *buf)
|
||||
{
|
||||
|
||||
ata_msense_push(ptr_io, last, def_rw_recovery_mpage,
|
||||
sizeof(def_rw_recovery_mpage));
|
||||
memcpy(buf, def_rw_recovery_mpage, sizeof(def_rw_recovery_mpage));
|
||||
return sizeof(def_rw_recovery_mpage);
|
||||
}
|
||||
|
||||
@ -2104,7 +2001,6 @@ static int ata_dev_supports_fua(u16 *id)
|
||||
* ata_scsiop_mode_sense - Simulate MODE SENSE 6, 10 commands
|
||||
* @args: device IDENTIFY data / SCSI command of interest.
|
||||
* @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
|
||||
* @buflen: Response buffer length.
|
||||
*
|
||||
* Simulate MODE SENSE commands. Assume this is invoked for direct
|
||||
* access devices (e.g. disks) only. There should be no block
|
||||
@ -2113,19 +2009,17 @@ static int ata_dev_supports_fua(u16 *id)
|
||||
* LOCKING:
|
||||
* spin_lock_irqsave(host lock)
|
||||
*/
|
||||
|
||||
unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen)
|
||||
static unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf)
|
||||
{
|
||||
struct ata_device *dev = args->dev;
|
||||
u8 *scsicmd = args->cmd->cmnd, *p, *last;
|
||||
u8 *scsicmd = args->cmd->cmnd, *p = rbuf;
|
||||
const u8 sat_blk_desc[] = {
|
||||
0, 0, 0, 0, /* number of blocks: sat unspecified */
|
||||
0,
|
||||
0, 0x2, 0x0 /* block length: 512 bytes */
|
||||
};
|
||||
u8 pg, spg;
|
||||
unsigned int ebd, page_control, six_byte, output_len, alloc_len, minlen;
|
||||
unsigned int ebd, page_control, six_byte;
|
||||
u8 dpofua;
|
||||
|
||||
VPRINTK("ENTER\n");
|
||||
@ -2148,17 +2042,10 @@ unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
|
||||
goto invalid_fld;
|
||||
}
|
||||
|
||||
if (six_byte) {
|
||||
output_len = 4 + (ebd ? 8 : 0);
|
||||
alloc_len = scsicmd[4];
|
||||
} else {
|
||||
output_len = 8 + (ebd ? 8 : 0);
|
||||
alloc_len = (scsicmd[7] << 8) + scsicmd[8];
|
||||
}
|
||||
minlen = (alloc_len < buflen) ? alloc_len : buflen;
|
||||
|
||||
p = rbuf + output_len;
|
||||
last = rbuf + minlen - 1;
|
||||
if (six_byte)
|
||||
p += 4 + (ebd ? 8 : 0);
|
||||
else
|
||||
p += 8 + (ebd ? 8 : 0);
|
||||
|
||||
pg = scsicmd[2] & 0x3f;
|
||||
spg = scsicmd[3];
|
||||
@ -2171,61 +2058,48 @@ unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
|
||||
|
||||
switch(pg) {
|
||||
case RW_RECOVERY_MPAGE:
|
||||
output_len += ata_msense_rw_recovery(&p, last);
|
||||
p += ata_msense_rw_recovery(p);
|
||||
break;
|
||||
|
||||
case CACHE_MPAGE:
|
||||
output_len += ata_msense_caching(args->id, &p, last);
|
||||
p += ata_msense_caching(args->id, p);
|
||||
break;
|
||||
|
||||
case CONTROL_MPAGE: {
|
||||
output_len += ata_msense_ctl_mode(&p, last);
|
||||
case CONTROL_MPAGE:
|
||||
p += ata_msense_ctl_mode(p);
|
||||
break;
|
||||
}
|
||||
|
||||
case ALL_MPAGES:
|
||||
output_len += ata_msense_rw_recovery(&p, last);
|
||||
output_len += ata_msense_caching(args->id, &p, last);
|
||||
output_len += ata_msense_ctl_mode(&p, last);
|
||||
p += ata_msense_rw_recovery(p);
|
||||
p += ata_msense_caching(args->id, p);
|
||||
p += ata_msense_ctl_mode(p);
|
||||
break;
|
||||
|
||||
default: /* invalid page code */
|
||||
goto invalid_fld;
|
||||
}
|
||||
|
||||
if (minlen < 1)
|
||||
return 0;
|
||||
|
||||
dpofua = 0;
|
||||
if (ata_dev_supports_fua(args->id) && (dev->flags & ATA_DFLAG_LBA48) &&
|
||||
(!(dev->flags & ATA_DFLAG_PIO) || dev->multi_count))
|
||||
dpofua = 1 << 4;
|
||||
|
||||
if (six_byte) {
|
||||
output_len--;
|
||||
rbuf[0] = output_len;
|
||||
if (minlen > 2)
|
||||
rbuf[2] |= dpofua;
|
||||
rbuf[0] = p - rbuf - 1;
|
||||
rbuf[2] |= dpofua;
|
||||
if (ebd) {
|
||||
if (minlen > 3)
|
||||
rbuf[3] = sizeof(sat_blk_desc);
|
||||
if (minlen > 11)
|
||||
memcpy(rbuf + 4, sat_blk_desc,
|
||||
sizeof(sat_blk_desc));
|
||||
rbuf[3] = sizeof(sat_blk_desc);
|
||||
memcpy(rbuf + 4, sat_blk_desc, sizeof(sat_blk_desc));
|
||||
}
|
||||
} else {
|
||||
output_len -= 2;
|
||||
unsigned int output_len = p - rbuf - 2;
|
||||
|
||||
rbuf[0] = output_len >> 8;
|
||||
if (minlen > 1)
|
||||
rbuf[1] = output_len;
|
||||
if (minlen > 3)
|
||||
rbuf[3] |= dpofua;
|
||||
rbuf[1] = output_len;
|
||||
rbuf[3] |= dpofua;
|
||||
if (ebd) {
|
||||
if (minlen > 7)
|
||||
rbuf[7] = sizeof(sat_blk_desc);
|
||||
if (minlen > 15)
|
||||
memcpy(rbuf + 8, sat_blk_desc,
|
||||
sizeof(sat_blk_desc));
|
||||
rbuf[7] = sizeof(sat_blk_desc);
|
||||
memcpy(rbuf + 8, sat_blk_desc, sizeof(sat_blk_desc));
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
@ -2245,15 +2119,13 @@ saving_not_supp:
|
||||
* ata_scsiop_read_cap - Simulate READ CAPACITY[ 16] commands
|
||||
* @args: device IDENTIFY data / SCSI command of interest.
|
||||
* @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
|
||||
* @buflen: Response buffer length.
|
||||
*
|
||||
* Simulate READ CAPACITY commands.
|
||||
*
|
||||
* LOCKING:
|
||||
* None.
|
||||
*/
|
||||
unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen)
|
||||
static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf)
|
||||
{
|
||||
u64 last_lba = args->dev->n_sectors - 1; /* LBA of the last block */
|
||||
|
||||
@ -2264,28 +2136,28 @@ unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
|
||||
last_lba = 0xffffffff;
|
||||
|
||||
/* sector count, 32-bit */
|
||||
ATA_SCSI_RBUF_SET(0, last_lba >> (8 * 3));
|
||||
ATA_SCSI_RBUF_SET(1, last_lba >> (8 * 2));
|
||||
ATA_SCSI_RBUF_SET(2, last_lba >> (8 * 1));
|
||||
ATA_SCSI_RBUF_SET(3, last_lba);
|
||||
rbuf[0] = last_lba >> (8 * 3);
|
||||
rbuf[1] = last_lba >> (8 * 2);
|
||||
rbuf[2] = last_lba >> (8 * 1);
|
||||
rbuf[3] = last_lba;
|
||||
|
||||
/* sector size */
|
||||
ATA_SCSI_RBUF_SET(6, ATA_SECT_SIZE >> 8);
|
||||
ATA_SCSI_RBUF_SET(7, ATA_SECT_SIZE & 0xff);
|
||||
rbuf[6] = ATA_SECT_SIZE >> 8;
|
||||
rbuf[7] = ATA_SECT_SIZE & 0xff;
|
||||
} else {
|
||||
/* sector count, 64-bit */
|
||||
ATA_SCSI_RBUF_SET(0, last_lba >> (8 * 7));
|
||||
ATA_SCSI_RBUF_SET(1, last_lba >> (8 * 6));
|
||||
ATA_SCSI_RBUF_SET(2, last_lba >> (8 * 5));
|
||||
ATA_SCSI_RBUF_SET(3, last_lba >> (8 * 4));
|
||||
ATA_SCSI_RBUF_SET(4, last_lba >> (8 * 3));
|
||||
ATA_SCSI_RBUF_SET(5, last_lba >> (8 * 2));
|
||||
ATA_SCSI_RBUF_SET(6, last_lba >> (8 * 1));
|
||||
ATA_SCSI_RBUF_SET(7, last_lba);
|
||||
rbuf[0] = last_lba >> (8 * 7);
|
||||
rbuf[1] = last_lba >> (8 * 6);
|
||||
rbuf[2] = last_lba >> (8 * 5);
|
||||
rbuf[3] = last_lba >> (8 * 4);
|
||||
rbuf[4] = last_lba >> (8 * 3);
|
||||
rbuf[5] = last_lba >> (8 * 2);
|
||||
rbuf[6] = last_lba >> (8 * 1);
|
||||
rbuf[7] = last_lba;
|
||||
|
||||
/* sector size */
|
||||
ATA_SCSI_RBUF_SET(10, ATA_SECT_SIZE >> 8);
|
||||
ATA_SCSI_RBUF_SET(11, ATA_SECT_SIZE & 0xff);
|
||||
rbuf[10] = ATA_SECT_SIZE >> 8;
|
||||
rbuf[11] = ATA_SECT_SIZE & 0xff;
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -2295,16 +2167,13 @@ unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
|
||||
* ata_scsiop_report_luns - Simulate REPORT LUNS command
|
||||
* @args: device IDENTIFY data / SCSI command of interest.
|
||||
* @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
|
||||
* @buflen: Response buffer length.
|
||||
*
|
||||
* Simulate REPORT LUNS command.
|
||||
*
|
||||
* LOCKING:
|
||||
* spin_lock_irqsave(host lock)
|
||||
*/
|
||||
|
||||
unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen)
|
||||
static unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf)
|
||||
{
|
||||
VPRINTK("ENTER\n");
|
||||
rbuf[3] = 8; /* just one lun, LUN 0, size 8 bytes */
|
||||
@ -2312,53 +2181,6 @@ unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* ata_scsi_set_sense - Set SCSI sense data and status
|
||||
* @cmd: SCSI request to be handled
|
||||
* @sk: SCSI-defined sense key
|
||||
* @asc: SCSI-defined additional sense code
|
||||
* @ascq: SCSI-defined additional sense code qualifier
|
||||
*
|
||||
* Helper function that builds a valid fixed format, current
|
||||
* response code and the given sense key (sk), additional sense
|
||||
* code (asc) and additional sense code qualifier (ascq) with
|
||||
* a SCSI command status of %SAM_STAT_CHECK_CONDITION and
|
||||
* DRIVER_SENSE set in the upper bits of scsi_cmnd::result .
|
||||
*
|
||||
* LOCKING:
|
||||
* Not required
|
||||
*/
|
||||
|
||||
void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq)
|
||||
{
|
||||
cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
|
||||
|
||||
scsi_build_sense_buffer(0, cmd->sense_buffer, sk, asc, ascq);
|
||||
}
|
||||
|
||||
/**
|
||||
* ata_scsi_badcmd - End a SCSI request with an error
|
||||
* @cmd: SCSI request to be handled
|
||||
* @done: SCSI command completion function
|
||||
* @asc: SCSI-defined additional sense code
|
||||
* @ascq: SCSI-defined additional sense code qualifier
|
||||
*
|
||||
* Helper function that completes a SCSI command with
|
||||
* %SAM_STAT_CHECK_CONDITION, with a sense key %ILLEGAL_REQUEST
|
||||
* and the specified additional sense codes.
|
||||
*
|
||||
* LOCKING:
|
||||
* spin_lock_irqsave(host lock)
|
||||
*/
|
||||
|
||||
void ata_scsi_badcmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *), u8 asc, u8 ascq)
|
||||
{
|
||||
DPRINTK("ENTER\n");
|
||||
ata_scsi_set_sense(cmd, ILLEGAL_REQUEST, asc, ascq);
|
||||
|
||||
done(cmd);
|
||||
}
|
||||
|
||||
static void atapi_sense_complete(struct ata_queued_cmd *qc)
|
||||
{
|
||||
if (qc->err_mask && ((qc->err_mask & AC_ERR_DEV) == 0)) {
|
||||
@ -2485,13 +2307,10 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc)
|
||||
u8 *scsicmd = cmd->cmnd;
|
||||
|
||||
if ((scsicmd[0] == INQUIRY) && ((scsicmd[1] & 0x03) == 0)) {
|
||||
u8 *buf = NULL;
|
||||
unsigned int buflen;
|
||||
unsigned long flags;
|
||||
u8 *buf;
|
||||
|
||||
local_irq_save(flags);
|
||||
|
||||
buflen = ata_scsi_rbuf_get(cmd, &buf);
|
||||
buf = ata_scsi_rbuf_get(cmd, true, &flags);
|
||||
|
||||
/* ATAPI devices typically report zero for their SCSI version,
|
||||
* and sometimes deviate from the spec WRT response data
|
||||
@ -2506,9 +2325,7 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc)
|
||||
buf[3] = 0x32;
|
||||
}
|
||||
|
||||
ata_scsi_rbuf_put(cmd, buf);
|
||||
|
||||
local_irq_restore(flags);
|
||||
ata_scsi_rbuf_put(cmd, true, &flags);
|
||||
}
|
||||
|
||||
cmd->result = SAM_STAT_GOOD;
|
||||
|
||||
@ -146,34 +146,6 @@ extern void ata_scsi_scan_host(struct ata_port *ap, int sync);
|
||||
extern int ata_scsi_offline_dev(struct ata_device *dev);
|
||||
extern void ata_scsi_media_change_notify(struct ata_device *dev);
|
||||
extern void ata_scsi_hotplug(struct work_struct *work);
|
||||
extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen);
|
||||
|
||||
extern unsigned int ata_scsiop_inq_00(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen);
|
||||
|
||||
extern unsigned int ata_scsiop_inq_80(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen);
|
||||
extern unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen);
|
||||
extern unsigned int ata_scsiop_noop(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen);
|
||||
extern unsigned int ata_scsiop_sync_cache(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen);
|
||||
extern unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen);
|
||||
extern unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen);
|
||||
extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf,
|
||||
unsigned int buflen);
|
||||
extern void ata_scsi_badcmd(struct scsi_cmnd *cmd,
|
||||
void (*done)(struct scsi_cmnd *),
|
||||
u8 asc, u8 ascq);
|
||||
extern void ata_scsi_set_sense(struct scsi_cmnd *cmd,
|
||||
u8 sk, u8 asc, u8 ascq);
|
||||
extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args,
|
||||
unsigned int (*actor) (struct ata_scsi_args *args,
|
||||
u8 *rbuf, unsigned int buflen));
|
||||
extern void ata_schedule_scsi_eh(struct Scsi_Host *shost);
|
||||
extern void ata_scsi_dev_rescan(struct work_struct *work);
|
||||
extern int ata_bus_probe(struct ata_port *ap);
|
||||
|
||||
@ -1272,8 +1272,8 @@ static void bfin_freeze(struct ata_port *ap)
|
||||
|
||||
void bfin_thaw(struct ata_port *ap)
|
||||
{
|
||||
dev_dbg(ap->dev, "in atapi dma thaw\n");
|
||||
bfin_check_status(ap);
|
||||
bfin_irq_clear(ap);
|
||||
bfin_irq_on(ap);
|
||||
}
|
||||
|
||||
@ -1339,13 +1339,130 @@ static int bfin_port_start(struct ata_port *ap)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static unsigned int bfin_ata_host_intr(struct ata_port *ap,
|
||||
struct ata_queued_cmd *qc)
|
||||
{
|
||||
struct ata_eh_info *ehi = &ap->link.eh_info;
|
||||
u8 status, host_stat = 0;
|
||||
|
||||
VPRINTK("ata%u: protocol %d task_state %d\n",
|
||||
ap->print_id, qc->tf.protocol, ap->hsm_task_state);
|
||||
|
||||
/* Check whether we are expecting interrupt in this state */
|
||||
switch (ap->hsm_task_state) {
|
||||
case HSM_ST_FIRST:
|
||||
/* Some pre-ATAPI-4 devices assert INTRQ
|
||||
* at this state when ready to receive CDB.
|
||||
*/
|
||||
|
||||
/* Check the ATA_DFLAG_CDB_INTR flag is enough here.
|
||||
* The flag was turned on only for atapi devices.
|
||||
* No need to check is_atapi_taskfile(&qc->tf) again.
|
||||
*/
|
||||
if (!(qc->dev->flags & ATA_DFLAG_CDB_INTR))
|
||||
goto idle_irq;
|
||||
break;
|
||||
case HSM_ST_LAST:
|
||||
if (qc->tf.protocol == ATA_PROT_DMA ||
|
||||
qc->tf.protocol == ATAPI_PROT_DMA) {
|
||||
/* check status of DMA engine */
|
||||
host_stat = ap->ops->bmdma_status(ap);
|
||||
VPRINTK("ata%u: host_stat 0x%X\n",
|
||||
ap->print_id, host_stat);
|
||||
|
||||
/* if it's not our irq... */
|
||||
if (!(host_stat & ATA_DMA_INTR))
|
||||
goto idle_irq;
|
||||
|
||||
/* before we do anything else, clear DMA-Start bit */
|
||||
ap->ops->bmdma_stop(qc);
|
||||
|
||||
if (unlikely(host_stat & ATA_DMA_ERR)) {
|
||||
/* error when transfering data to/from memory */
|
||||
qc->err_mask |= AC_ERR_HOST_BUS;
|
||||
ap->hsm_task_state = HSM_ST_ERR;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case HSM_ST:
|
||||
break;
|
||||
default:
|
||||
goto idle_irq;
|
||||
}
|
||||
|
||||
/* check altstatus */
|
||||
status = ap->ops->sff_check_altstatus(ap);
|
||||
if (status & ATA_BUSY)
|
||||
goto busy_ata;
|
||||
|
||||
/* check main status, clearing INTRQ */
|
||||
status = ap->ops->sff_check_status(ap);
|
||||
if (unlikely(status & ATA_BUSY))
|
||||
goto busy_ata;
|
||||
|
||||
/* ack bmdma irq events */
|
||||
ap->ops->sff_irq_clear(ap);
|
||||
|
||||
ata_sff_hsm_move(ap, qc, status, 0);
|
||||
|
||||
if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA ||
|
||||
qc->tf.protocol == ATAPI_PROT_DMA))
|
||||
ata_ehi_push_desc(ehi, "BMDMA stat 0x%x", host_stat);
|
||||
|
||||
busy_ata:
|
||||
return 1; /* irq handled */
|
||||
|
||||
idle_irq:
|
||||
ap->stats.idle_irq++;
|
||||
|
||||
#ifdef ATA_IRQ_TRAP
|
||||
if ((ap->stats.idle_irq % 1000) == 0) {
|
||||
ap->ops->irq_ack(ap, 0); /* debug trap */
|
||||
ata_port_printk(ap, KERN_WARNING, "irq trap\n");
|
||||
return 1;
|
||||
}
|
||||
#endif
|
||||
return 0; /* irq not handled */
|
||||
}
|
||||
|
||||
static irqreturn_t bfin_ata_interrupt(int irq, void *dev_instance)
|
||||
{
|
||||
struct ata_host *host = dev_instance;
|
||||
unsigned int i;
|
||||
unsigned int handled = 0;
|
||||
unsigned long flags;
|
||||
|
||||
/* TODO: make _irqsave conditional on x86 PCI IDE legacy mode */
|
||||
spin_lock_irqsave(&host->lock, flags);
|
||||
|
||||
for (i = 0; i < host->n_ports; i++) {
|
||||
struct ata_port *ap;
|
||||
|
||||
ap = host->ports[i];
|
||||
if (ap &&
|
||||
!(ap->flags & ATA_FLAG_DISABLED)) {
|
||||
struct ata_queued_cmd *qc;
|
||||
|
||||
qc = ata_qc_from_tag(ap, ap->link.active_tag);
|
||||
if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)) &&
|
||||
(qc->flags & ATA_QCFLAG_ACTIVE))
|
||||
handled |= bfin_ata_host_intr(ap, qc);
|
||||
}
|
||||
}
|
||||
|
||||
spin_unlock_irqrestore(&host->lock, flags);
|
||||
|
||||
return IRQ_RETVAL(handled);
|
||||
}
|
||||
|
||||
|
||||
static struct scsi_host_template bfin_sht = {
|
||||
ATA_BASE_SHT(DRV_NAME),
|
||||
.sg_tablesize = SG_NONE,
|
||||
.dma_boundary = ATA_DMA_BOUNDARY,
|
||||
};
|
||||
|
||||
static const struct ata_port_operations bfin_pata_ops = {
|
||||
static struct ata_port_operations bfin_pata_ops = {
|
||||
.inherits = &ata_sff_port_ops,
|
||||
|
||||
.set_piomode = bfin_set_piomode,
|
||||
@ -1370,7 +1487,6 @@ static const struct ata_port_operations bfin_pata_ops = {
|
||||
.thaw = bfin_thaw,
|
||||
.softreset = bfin_softreset,
|
||||
.postreset = bfin_postreset,
|
||||
.post_internal_cmd = bfin_bmdma_stop,
|
||||
|
||||
.sff_irq_clear = bfin_irq_clear,
|
||||
.sff_irq_on = bfin_irq_on,
|
||||
@ -1507,7 +1623,7 @@ static int __devinit bfin_atapi_probe(struct platform_device *pdev)
|
||||
}
|
||||
|
||||
if (ata_host_activate(host, platform_get_irq(pdev, 0),
|
||||
ata_sff_interrupt, IRQF_SHARED, &bfin_sht) != 0) {
|
||||
bfin_ata_interrupt, IRQF_SHARED, &bfin_sht) != 0) {
|
||||
peripheral_free_list(atapi_io_port);
|
||||
dev_err(&pdev->dev, "Fail to attach ATAPI device\n");
|
||||
return -ENODEV;
|
||||
|
||||
@ -32,7 +32,7 @@
|
||||
|
||||
#include <asm/gpio.h>
|
||||
|
||||
#define DRV_NAME "pata-rb500-cf"
|
||||
#define DRV_NAME "pata-rb532-cf"
|
||||
#define DRV_VERSION "0.1.0"
|
||||
#define DRV_DESC "PATA driver for RouterBOARD 532 Compact Flash"
|
||||
|
||||
@ -43,7 +43,7 @@
|
||||
#define RB500_CF_REG_CTRL 0x080E
|
||||
#define RB500_CF_REG_DATA 0x0C00
|
||||
|
||||
struct rb500_cf_info {
|
||||
struct rb532_cf_info {
|
||||
void __iomem *iobase;
|
||||
unsigned int gpio_line;
|
||||
int frozen;
|
||||
@ -52,10 +52,10 @@ struct rb500_cf_info {
|
||||
|
||||
/* ------------------------------------------------------------------------ */
|
||||
|
||||
static inline void rb500_pata_finish_io(struct ata_port *ap)
|
||||
static inline void rb532_pata_finish_io(struct ata_port *ap)
|
||||
{
|
||||
struct ata_host *ah = ap->host;
|
||||
struct rb500_cf_info *info = ah->private_data;
|
||||
struct rb532_cf_info *info = ah->private_data;
|
||||
|
||||
ata_sff_altstatus(ap);
|
||||
ndelay(RB500_CF_IO_DELAY);
|
||||
@ -63,14 +63,14 @@ static inline void rb500_pata_finish_io(struct ata_port *ap)
|
||||
set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
|
||||
}
|
||||
|
||||
static void rb500_pata_exec_command(struct ata_port *ap,
|
||||
static void rb532_pata_exec_command(struct ata_port *ap,
|
||||
const struct ata_taskfile *tf)
|
||||
{
|
||||
writeb(tf->command, ap->ioaddr.command_addr);
|
||||
rb500_pata_finish_io(ap);
|
||||
rb532_pata_finish_io(ap);
|
||||
}
|
||||
|
||||
static void rb500_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
|
||||
static void rb532_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
|
||||
unsigned int buflen, int write_data)
|
||||
{
|
||||
struct ata_port *ap = adev->link->ap;
|
||||
@ -84,27 +84,27 @@ static void rb500_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
|
||||
*buf = readb(ioaddr);
|
||||
}
|
||||
|
||||
rb500_pata_finish_io(adev->link->ap);
|
||||
rb532_pata_finish_io(adev->link->ap);
|
||||
}
|
||||
|
||||
static void rb500_pata_freeze(struct ata_port *ap)
|
||||
static void rb532_pata_freeze(struct ata_port *ap)
|
||||
{
|
||||
struct rb500_cf_info *info = ap->host->private_data;
|
||||
struct rb532_cf_info *info = ap->host->private_data;
|
||||
|
||||
info->frozen = 1;
|
||||
}
|
||||
|
||||
static void rb500_pata_thaw(struct ata_port *ap)
|
||||
static void rb532_pata_thaw(struct ata_port *ap)
|
||||
{
|
||||
struct rb500_cf_info *info = ap->host->private_data;
|
||||
struct rb532_cf_info *info = ap->host->private_data;
|
||||
|
||||
info->frozen = 0;
|
||||
}
|
||||
|
||||
static irqreturn_t rb500_pata_irq_handler(int irq, void *dev_instance)
|
||||
static irqreturn_t rb532_pata_irq_handler(int irq, void *dev_instance)
|
||||
{
|
||||
struct ata_host *ah = dev_instance;
|
||||
struct rb500_cf_info *info = ah->private_data;
|
||||
struct rb532_cf_info *info = ah->private_data;
|
||||
|
||||
if (gpio_get_value(info->gpio_line)) {
|
||||
set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
|
||||
@ -117,30 +117,30 @@ static irqreturn_t rb500_pata_irq_handler(int irq, void *dev_instance)
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static struct ata_port_operations rb500_pata_port_ops = {
|
||||
static struct ata_port_operations rb532_pata_port_ops = {
|
||||
.inherits = &ata_sff_port_ops,
|
||||
.sff_exec_command = rb500_pata_exec_command,
|
||||
.sff_data_xfer = rb500_pata_data_xfer,
|
||||
.freeze = rb500_pata_freeze,
|
||||
.thaw = rb500_pata_thaw,
|
||||
.sff_exec_command = rb532_pata_exec_command,
|
||||
.sff_data_xfer = rb532_pata_data_xfer,
|
||||
.freeze = rb532_pata_freeze,
|
||||
.thaw = rb532_pata_thaw,
|
||||
};
|
||||
|
||||
/* ------------------------------------------------------------------------ */
|
||||
|
||||
static struct scsi_host_template rb500_pata_sht = {
|
||||
static struct scsi_host_template rb532_pata_sht = {
|
||||
ATA_PIO_SHT(DRV_NAME),
|
||||
};
|
||||
|
||||
/* ------------------------------------------------------------------------ */
|
||||
|
||||
static void rb500_pata_setup_ports(struct ata_host *ah)
|
||||
static void rb532_pata_setup_ports(struct ata_host *ah)
|
||||
{
|
||||
struct rb500_cf_info *info = ah->private_data;
|
||||
struct rb532_cf_info *info = ah->private_data;
|
||||
struct ata_port *ap;
|
||||
|
||||
ap = ah->ports[0];
|
||||
|
||||
ap->ops = &rb500_pata_port_ops;
|
||||
ap->ops = &rb532_pata_port_ops;
|
||||
ap->pio_mask = 0x1f; /* PIO4 */
|
||||
ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO;
|
||||
|
||||
@ -153,13 +153,13 @@ static void rb500_pata_setup_ports(struct ata_host *ah)
|
||||
ap->ioaddr.data_addr = info->iobase + RB500_CF_REG_DATA;
|
||||
}
|
||||
|
||||
static __devinit int rb500_pata_driver_probe(struct platform_device *pdev)
|
||||
static __devinit int rb532_pata_driver_probe(struct platform_device *pdev)
|
||||
{
|
||||
unsigned int irq;
|
||||
int gpio;
|
||||
struct resource *res;
|
||||
struct ata_host *ah;
|
||||
struct rb500_cf_info *info;
|
||||
struct rb532_cf_info *info;
|
||||
int ret;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
@ -213,10 +213,10 @@ static __devinit int rb500_pata_driver_probe(struct platform_device *pdev)
|
||||
goto err_free_gpio;
|
||||
}
|
||||
|
||||
rb500_pata_setup_ports(ah);
|
||||
rb532_pata_setup_ports(ah);
|
||||
|
||||
ret = ata_host_activate(ah, irq, rb500_pata_irq_handler,
|
||||
IRQF_TRIGGER_LOW, &rb500_pata_sht);
|
||||
ret = ata_host_activate(ah, irq, rb532_pata_irq_handler,
|
||||
IRQF_TRIGGER_LOW, &rb532_pata_sht);
|
||||
if (ret)
|
||||
goto err_free_gpio;
|
||||
|
||||
@ -228,10 +228,10 @@ err_free_gpio:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static __devexit int rb500_pata_driver_remove(struct platform_device *pdev)
|
||||
static __devexit int rb532_pata_driver_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct ata_host *ah = platform_get_drvdata(pdev);
|
||||
struct rb500_cf_info *info = ah->private_data;
|
||||
struct rb532_cf_info *info = ah->private_data;
|
||||
|
||||
ata_host_detach(ah);
|
||||
gpio_free(info->gpio_line);
|
||||
@ -242,9 +242,9 @@ static __devexit int rb500_pata_driver_remove(struct platform_device *pdev)
|
||||
/* work with hotplug and coldplug */
|
||||
MODULE_ALIAS("platform:" DRV_NAME);
|
||||
|
||||
static struct platform_driver rb500_pata_platform_driver = {
|
||||
.probe = rb500_pata_driver_probe,
|
||||
.remove = __devexit_p(rb500_pata_driver_remove),
|
||||
static struct platform_driver rb532_pata_platform_driver = {
|
||||
.probe = rb532_pata_driver_probe,
|
||||
.remove = __devexit_p(rb532_pata_driver_remove),
|
||||
.driver = {
|
||||
.name = DRV_NAME,
|
||||
.owner = THIS_MODULE,
|
||||
@ -255,16 +255,16 @@ static struct platform_driver rb500_pata_platform_driver = {
|
||||
|
||||
#define DRV_INFO DRV_DESC " version " DRV_VERSION
|
||||
|
||||
static int __init rb500_pata_module_init(void)
|
||||
static int __init rb532_pata_module_init(void)
|
||||
{
|
||||
printk(KERN_INFO DRV_INFO "\n");
|
||||
|
||||
return platform_driver_register(&rb500_pata_platform_driver);
|
||||
return platform_driver_register(&rb532_pata_platform_driver);
|
||||
}
|
||||
|
||||
static void __exit rb500_pata_module_exit(void)
|
||||
static void __exit rb532_pata_module_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&rb500_pata_platform_driver);
|
||||
platform_driver_unregister(&rb532_pata_platform_driver);
|
||||
}
|
||||
|
||||
MODULE_AUTHOR("Gabor Juhos <juhosg at openwrt.org>");
|
||||
@ -273,5 +273,5 @@ MODULE_DESCRIPTION(DRV_DESC);
|
||||
MODULE_VERSION(DRV_VERSION);
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
module_init(rb500_pata_module_init);
|
||||
module_exit(rb500_pata_module_exit);
|
||||
module_init(rb532_pata_module_init);
|
||||
module_exit(rb532_pata_module_exit);
|
||||
@ -172,10 +172,11 @@ enum {
|
||||
PCIE_IRQ_MASK_OFS = 0x1910,
|
||||
PCIE_UNMASK_ALL_IRQS = 0x40a, /* assorted bits */
|
||||
|
||||
HC_MAIN_IRQ_CAUSE_OFS = 0x1d60,
|
||||
HC_MAIN_IRQ_MASK_OFS = 0x1d64,
|
||||
HC_SOC_MAIN_IRQ_CAUSE_OFS = 0x20020,
|
||||
HC_SOC_MAIN_IRQ_MASK_OFS = 0x20024,
|
||||
/* Host Controller Main Interrupt Cause/Mask registers (1 per-chip) */
|
||||
PCI_HC_MAIN_IRQ_CAUSE_OFS = 0x1d60,
|
||||
PCI_HC_MAIN_IRQ_MASK_OFS = 0x1d64,
|
||||
SOC_HC_MAIN_IRQ_CAUSE_OFS = 0x20020,
|
||||
SOC_HC_MAIN_IRQ_MASK_OFS = 0x20024,
|
||||
ERR_IRQ = (1 << 0), /* shift by port # */
|
||||
DONE_IRQ = (1 << 1), /* shift by port # */
|
||||
HC0_IRQ_PEND = 0x1ff, /* bits 0-8 = HC0's ports */
|
||||
@ -445,8 +446,8 @@ struct mv_host_priv {
|
||||
const struct mv_hw_ops *ops;
|
||||
int n_ports;
|
||||
void __iomem *base;
|
||||
void __iomem *main_cause_reg_addr;
|
||||
void __iomem *main_mask_reg_addr;
|
||||
void __iomem *main_irq_cause_addr;
|
||||
void __iomem *main_irq_mask_addr;
|
||||
u32 irq_cause_ofs;
|
||||
u32 irq_mask_ofs;
|
||||
u32 unmask_all_irqs;
|
||||
@ -727,8 +728,8 @@ static inline unsigned int mv_hardport_from_port(unsigned int port)
|
||||
* Simple code, with two return values, so macro rather than inline.
|
||||
*
|
||||
* port is the sole input, in range 0..7.
|
||||
* shift is one output, for use with the main_cause and main_mask registers.
|
||||
* hardport is the other output, in range 0..3
|
||||
* shift is one output, for use with main_irq_cause / main_irq_mask registers.
|
||||
* hardport is the other output, in range 0..3.
|
||||
*
|
||||
* Note that port and hardport may be the same variable in some cases.
|
||||
*/
|
||||
@ -1679,12 +1680,12 @@ static void mv_process_crpb_entries(struct ata_port *ap, struct mv_port_priv *pp
|
||||
/**
|
||||
* mv_host_intr - Handle all interrupts on the given host controller
|
||||
* @host: host specific structure
|
||||
* @main_cause: Main interrupt cause register for the chip.
|
||||
* @main_irq_cause: Main interrupt cause register for the chip.
|
||||
*
|
||||
* LOCKING:
|
||||
* Inherited from caller.
|
||||
*/
|
||||
static int mv_host_intr(struct ata_host *host, u32 main_cause)
|
||||
static int mv_host_intr(struct ata_host *host, u32 main_irq_cause)
|
||||
{
|
||||
struct mv_host_priv *hpriv = host->private_data;
|
||||
void __iomem *mmio = hpriv->base, *hc_mmio = NULL;
|
||||
@ -1705,7 +1706,7 @@ static int mv_host_intr(struct ata_host *host, u32 main_cause)
|
||||
* Do nothing if port is not interrupting or is disabled:
|
||||
*/
|
||||
MV_PORT_TO_SHIFT_AND_HARDPORT(port, shift, hardport);
|
||||
port_cause = (main_cause >> shift) & (DONE_IRQ | ERR_IRQ);
|
||||
port_cause = (main_irq_cause >> shift) & (DONE_IRQ | ERR_IRQ);
|
||||
if (!port_cause || !ap || (ap->flags & ATA_FLAG_DISABLED))
|
||||
continue;
|
||||
/*
|
||||
@ -1811,20 +1812,20 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance)
|
||||
struct ata_host *host = dev_instance;
|
||||
struct mv_host_priv *hpriv = host->private_data;
|
||||
unsigned int handled = 0;
|
||||
u32 main_cause, main_mask;
|
||||
u32 main_irq_cause, main_irq_mask;
|
||||
|
||||
spin_lock(&host->lock);
|
||||
main_cause = readl(hpriv->main_cause_reg_addr);
|
||||
main_mask = readl(hpriv->main_mask_reg_addr);
|
||||
main_irq_cause = readl(hpriv->main_irq_cause_addr);
|
||||
main_irq_mask = readl(hpriv->main_irq_mask_addr);
|
||||
/*
|
||||
* Deal with cases where we either have nothing pending, or have read
|
||||
* a bogus register value which can indicate HW removal or PCI fault.
|
||||
*/
|
||||
if ((main_cause & main_mask) && (main_cause != 0xffffffffU)) {
|
||||
if (unlikely((main_cause & PCI_ERR) && HAS_PCI(host)))
|
||||
if ((main_irq_cause & main_irq_mask) && (main_irq_cause != 0xffffffffU)) {
|
||||
if (unlikely((main_irq_cause & PCI_ERR) && HAS_PCI(host)))
|
||||
handled = mv_pci_error(host, hpriv->base);
|
||||
else
|
||||
handled = mv_host_intr(host, main_cause);
|
||||
handled = mv_host_intr(host, main_irq_cause);
|
||||
}
|
||||
spin_unlock(&host->lock);
|
||||
return IRQ_RETVAL(handled);
|
||||
@ -2027,7 +2028,7 @@ static void mv_reset_pci_bus(struct ata_host *host, void __iomem *mmio)
|
||||
ZERO(MV_PCI_DISC_TIMER);
|
||||
ZERO(MV_PCI_MSI_TRIGGER);
|
||||
writel(0x000100ff, mmio + MV_PCI_XBAR_TMOUT);
|
||||
ZERO(HC_MAIN_IRQ_MASK_OFS);
|
||||
ZERO(PCI_HC_MAIN_IRQ_MASK_OFS);
|
||||
ZERO(MV_PCI_SERR_MASK);
|
||||
ZERO(hpriv->irq_cause_ofs);
|
||||
ZERO(hpriv->irq_mask_ofs);
|
||||
@ -2404,7 +2405,7 @@ static void mv_eh_freeze(struct ata_port *ap)
|
||||
{
|
||||
struct mv_host_priv *hpriv = ap->host->private_data;
|
||||
unsigned int shift, hardport, port = ap->port_no;
|
||||
u32 main_mask;
|
||||
u32 main_irq_mask;
|
||||
|
||||
/* FIXME: handle coalescing completion events properly */
|
||||
|
||||
@ -2412,9 +2413,9 @@ static void mv_eh_freeze(struct ata_port *ap)
|
||||
MV_PORT_TO_SHIFT_AND_HARDPORT(port, shift, hardport);
|
||||
|
||||
/* disable assertion of portN err, done events */
|
||||
main_mask = readl(hpriv->main_mask_reg_addr);
|
||||
main_mask &= ~((DONE_IRQ | ERR_IRQ) << shift);
|
||||
writelfl(main_mask, hpriv->main_mask_reg_addr);
|
||||
main_irq_mask = readl(hpriv->main_irq_mask_addr);
|
||||
main_irq_mask &= ~((DONE_IRQ | ERR_IRQ) << shift);
|
||||
writelfl(main_irq_mask, hpriv->main_irq_mask_addr);
|
||||
}
|
||||
|
||||
static void mv_eh_thaw(struct ata_port *ap)
|
||||
@ -2423,7 +2424,7 @@ static void mv_eh_thaw(struct ata_port *ap)
|
||||
unsigned int shift, hardport, port = ap->port_no;
|
||||
void __iomem *hc_mmio = mv_hc_base_from_port(hpriv->base, port);
|
||||
void __iomem *port_mmio = mv_ap_base(ap);
|
||||
u32 main_mask, hc_irq_cause;
|
||||
u32 main_irq_mask, hc_irq_cause;
|
||||
|
||||
/* FIXME: handle coalescing completion events properly */
|
||||
|
||||
@ -2438,9 +2439,9 @@ static void mv_eh_thaw(struct ata_port *ap)
|
||||
writelfl(hc_irq_cause, hc_mmio + HC_IRQ_CAUSE_OFS);
|
||||
|
||||
/* enable assertion of portN err, done events */
|
||||
main_mask = readl(hpriv->main_mask_reg_addr);
|
||||
main_mask |= ((DONE_IRQ | ERR_IRQ) << shift);
|
||||
writelfl(main_mask, hpriv->main_mask_reg_addr);
|
||||
main_irq_mask = readl(hpriv->main_irq_mask_addr);
|
||||
main_irq_mask |= ((DONE_IRQ | ERR_IRQ) << shift);
|
||||
writelfl(main_irq_mask, hpriv->main_irq_mask_addr);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -2654,15 +2655,15 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx)
|
||||
goto done;
|
||||
|
||||
if (HAS_PCI(host)) {
|
||||
hpriv->main_cause_reg_addr = mmio + HC_MAIN_IRQ_CAUSE_OFS;
|
||||
hpriv->main_mask_reg_addr = mmio + HC_MAIN_IRQ_MASK_OFS;
|
||||
hpriv->main_irq_cause_addr = mmio + PCI_HC_MAIN_IRQ_CAUSE_OFS;
|
||||
hpriv->main_irq_mask_addr = mmio + PCI_HC_MAIN_IRQ_MASK_OFS;
|
||||
} else {
|
||||
hpriv->main_cause_reg_addr = mmio + HC_SOC_MAIN_IRQ_CAUSE_OFS;
|
||||
hpriv->main_mask_reg_addr = mmio + HC_SOC_MAIN_IRQ_MASK_OFS;
|
||||
hpriv->main_irq_cause_addr = mmio + SOC_HC_MAIN_IRQ_CAUSE_OFS;
|
||||
hpriv->main_irq_mask_addr = mmio + SOC_HC_MAIN_IRQ_MASK_OFS;
|
||||
}
|
||||
|
||||
/* global interrupt mask: 0 == mask everything */
|
||||
writel(0, hpriv->main_mask_reg_addr);
|
||||
writel(0, hpriv->main_irq_mask_addr);
|
||||
|
||||
n_hc = mv_get_hc_count(host->ports[0]->flags);
|
||||
|
||||
@ -2712,23 +2713,23 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx)
|
||||
writelfl(hpriv->unmask_all_irqs, mmio + hpriv->irq_mask_ofs);
|
||||
if (IS_GEN_I(hpriv))
|
||||
writelfl(~HC_MAIN_MASKED_IRQS_5,
|
||||
hpriv->main_mask_reg_addr);
|
||||
hpriv->main_irq_mask_addr);
|
||||
else
|
||||
writelfl(~HC_MAIN_MASKED_IRQS,
|
||||
hpriv->main_mask_reg_addr);
|
||||
hpriv->main_irq_mask_addr);
|
||||
|
||||
VPRINTK("HC MAIN IRQ cause/mask=0x%08x/0x%08x "
|
||||
"PCI int cause/mask=0x%08x/0x%08x\n",
|
||||
readl(hpriv->main_cause_reg_addr),
|
||||
readl(hpriv->main_mask_reg_addr),
|
||||
readl(hpriv->main_irq_cause_addr),
|
||||
readl(hpriv->main_irq_mask_addr),
|
||||
readl(mmio + hpriv->irq_cause_ofs),
|
||||
readl(mmio + hpriv->irq_mask_ofs));
|
||||
} else {
|
||||
writelfl(~HC_MAIN_MASKED_IRQS_SOC,
|
||||
hpriv->main_mask_reg_addr);
|
||||
hpriv->main_irq_mask_addr);
|
||||
VPRINTK("HC MAIN IRQ cause/mask=0x%08x/0x%08x\n",
|
||||
readl(hpriv->main_cause_reg_addr),
|
||||
readl(hpriv->main_mask_reg_addr));
|
||||
readl(hpriv->main_irq_cause_addr),
|
||||
readl(hpriv->main_irq_mask_addr));
|
||||
}
|
||||
done:
|
||||
return rc;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user