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AHCI support.

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* grub-core/Makefile.core.def (ata_pthru): Removed.
	(ahci): New module.
	(pata): Likewise.
	* grub-core/bus/usb/ohci.c (GRUB_MOD_FINI): Unregister preboot hook
	on unload.
	* grub-core/commands/hdparm.c (grub_hdparm_do_ata_cmd): Use ATA
	readwrite.
	(grub_hdparm_do_check_powermode_cmd): Likewise.
	(grub_hdparm_do_smart_cmd): Likewise.
	(grub_hdparm_set_val_cmd): Likewise.
	(grub_cmd_hdparm): Likewise. Check thta we have an ATA device.
	* grub-core/disk/ahci.c: New file.
	* grub-core/disk/ata.c: Factor out the low-level part into ...
	* grub-core/disk/pata.c: ... here.
	* grub-core/disk/ata_pthru.c: Contents moved to ...
	* grub-core/disk/pata.c: ... here.
	* grub-core/disk/scsi.c (grub_scsi_names): New array.
	(grub_scsi_iterate): Use grub_scsi_names.
	(grub_scsi_open): Likewise.
	* grub-core/kern/disk.c (grub_disk_ata_pass_through): Removed.
	* include/grub/ata.h (grub_ata_commands): Add DMA commands.
	(grub_ata_regs_t): New struct.
	(grub_disk_ata_pass_through_parms): Likewise.
	(grub_ata_device): Renamed to ...
	(grub_ata): ... this.
	(grub_ata_dev): New struct.
	Removed all low-level inline functions.
	* include/grub/scsi.h: Add PATA and AHCI subsystems.
	(grub_scsi_dev): Removed 'name' and 'id'. Added 'id' parameter to
	iterate hooks and open. All users updated.
	* util/grub-install.in: Handle AHCI disk module.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-06-24 00:07:55 +02:00
commit 5ab3f48a92
15 changed files with 1799 additions and 847 deletions
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38
grub-core/disk/scsi.c
View file

@ -32,6 +32,12 @@ GRUB_MOD_LICENSE ("GPLv3+");
static grub_scsi_dev_t grub_scsi_dev_list;
const char grub_scsi_names[GRUB_SCSI_NUM_SUBSYSTEMS][5] = {
[GRUB_SCSI_SUBSYSTEM_USBMS] = "usb",
[GRUB_SCSI_SUBSYSTEM_PATA] = "ata",
[GRUB_SCSI_SUBSYSTEM_AHCI] = "ahci"
};
void
grub_scsi_dev_register (grub_scsi_dev_t dev)
{
@ -320,9 +326,9 @@ grub_scsi_iterate (int (*hook) (const char *name))
{
grub_scsi_dev_t p;
auto int scsi_iterate (int bus, int luns);
auto int NESTED_FUNC_ATTR scsi_iterate (int id, int bus, int luns);
int scsi_iterate (int bus, int luns)
int NESTED_FUNC_ATTR scsi_iterate (int id, int bus, int luns)
{
int i;
@ -331,7 +337,7 @@ grub_scsi_iterate (int (*hook) (const char *name))
{
char *sname;
int ret;
sname = grub_xasprintf ("%s%d", p->name, bus);
sname = grub_xasprintf ("%s%d", grub_scsi_names[id], bus);
if (!sname)
return 1;
ret = hook (sname);
@ -345,7 +351,7 @@ grub_scsi_iterate (int (*hook) (const char *name))
{
char *sname;
int ret;
sname = grub_xasprintf ("%s%d%c", p->name, bus, 'a' + i);
sname = grub_xasprintf ("%s%d%c", grub_scsi_names[id], bus, 'a' + i);
if (!sname)
return 1;
ret = hook (sname);
@ -372,6 +378,7 @@ grub_scsi_open (const char *name, grub_disk_t disk)
int lun, bus;
grub_uint64_t maxtime;
const char *nameend;
unsigned id;
nameend = name + grub_strlen (name) - 1;
/* Try to detect a LUN ('a'-'z'), otherwise just use the first
@ -396,15 +403,25 @@ grub_scsi_open (const char *name, grub_disk_t disk)
if (! scsi)
return grub_errno;
for (id = 0; id < ARRAY_SIZE (grub_scsi_names); id++)
if (grub_strncmp (grub_scsi_names[id], name, nameend - name) == 0)
break;
if (id == ARRAY_SIZE (grub_scsi_names))
{
grub_free (scsi);
return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "not a SCSI disk");
}
for (p = grub_scsi_dev_list; p; p = p->next)
{
if (grub_strncmp (p->name, name, nameend - name) != 0)
continue;
if (p->open (id, bus, scsi))
{
grub_errno = GRUB_ERR_NONE;
continue;
}
if (p->open (bus, scsi))
continue;
disk->id = grub_make_scsi_id (p->id, bus, lun);
disk->id = grub_make_scsi_id (id, bus, lun);
disk->data = scsi;
scsi->dev = p;
scsi->lun = lun;
@ -485,7 +502,6 @@ grub_scsi_open (const char *name, grub_disk_t disk)
}
grub_free (scsi);
return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "not a SCSI disk");
}