2 * Aic94xx SAS/SATA driver access to shared data structures and memory
5 * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
6 * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
8 * This file is licensed under GPLv2.
10 * This file is part of the aic94xx driver.
12 * The aic94xx driver is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; version 2 of the
17 * The aic94xx driver is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with the aic94xx driver; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
28 #include <linux/pci.h>
29 #include <linux/delay.h>
32 #include "aic94xx_reg.h"
34 /* ---------- OCM stuff ---------- */
36 struct asd_ocm_dir_ent {
41 } __attribute__ ((packed));
50 struct asd_ocm_dir_ent entry[15];
51 } __attribute__ ((packed));
53 #define OCM_DE_OCM_DIR 0x00
54 #define OCM_DE_WIN_DRVR 0x01
55 #define OCM_DE_BIOS_CHIM 0x02
56 #define OCM_DE_RAID_ENGN 0x03
57 #define OCM_DE_BIOS_INTL 0x04
58 #define OCM_DE_BIOS_CHIM_OSM 0x05
59 #define OCM_DE_BIOS_CHIM_DYNAMIC 0x06
60 #define OCM_DE_ADDC2C_RES0 0x07
61 #define OCM_DE_ADDC2C_RES1 0x08
62 #define OCM_DE_ADDC2C_RES2 0x09
63 #define OCM_DE_ADDC2C_RES3 0x0A
65 #define OCM_INIT_DIR_ENTRIES 5
66 /***************************************************************************
67 * OCM dircetory default
68 ***************************************************************************/
69 static struct asd_ocm_dir OCMDirInit =
71 .sig = {0x4D, 0x4F}, /* signature */
72 .num_de = OCM_INIT_DIR_ENTRIES, /* no. of directory entries */
75 /***************************************************************************
76 * OCM dircetory Entries default
77 ***************************************************************************/
78 static struct asd_ocm_dir_ent OCMDirEntriesInit[OCM_INIT_DIR_ENTRIES] =
81 .type = (OCM_DE_ADDC2C_RES0), /* Entry type */
82 .offs = {128}, /* Offset */
83 .size = {0, 4}, /* size */
86 .type = (OCM_DE_ADDC2C_RES1), /* Entry type */
87 .offs = {128, 4}, /* Offset */
88 .size = {0, 4}, /* size */
91 .type = (OCM_DE_ADDC2C_RES2), /* Entry type */
92 .offs = {128, 8}, /* Offset */
93 .size = {0, 4}, /* size */
96 .type = (OCM_DE_ADDC2C_RES3), /* Entry type */
97 .offs = {128, 12}, /* Offset */
98 .size = {0, 4}, /* size */
101 .type = (OCM_DE_WIN_DRVR), /* Entry type */
102 .offs = {128, 16}, /* Offset */
103 .size = {128, 235, 1}, /* size */
107 struct asd_bios_chim_struct {
119 /* The unit element array is right here.
121 } __attribute__ ((packed));
124 * asd_read_ocm_seg - read an on chip memory (OCM) segment
125 * @asd_ha: pointer to the host adapter structure
126 * @buffer: where to write the read data
127 * @offs: offset into OCM where to read from
128 * @size: how many bytes to read
130 * Return the number of bytes not read. Return 0 on success.
132 static int asd_read_ocm_seg(struct asd_ha_struct *asd_ha, void *buffer,
136 if (unlikely(asd_ha->iospace))
137 asd_read_reg_string(asd_ha, buffer, offs+OCM_BASE_ADDR, size);
139 for ( ; size > 0; size--, offs++, p++)
140 *p = asd_read_ocm_byte(asd_ha, offs);
145 static int asd_read_ocm_dir(struct asd_ha_struct *asd_ha,
146 struct asd_ocm_dir *dir, u32 offs)
148 int err = asd_read_ocm_seg(asd_ha, dir, offs, sizeof(*dir));
150 ASD_DPRINTK("couldn't read ocm segment\n");
154 if (dir->sig[0] != 'M' || dir->sig[1] != 'O') {
155 ASD_DPRINTK("no valid dir signature(%c%c) at start of OCM\n",
156 dir->sig[0], dir->sig[1]);
159 if (dir->major != 0) {
160 asd_printk("unsupported major version of ocm dir:0x%x\n",
169 * asd_write_ocm_seg - write an on chip memory (OCM) segment
170 * @asd_ha: pointer to the host adapter structure
171 * @buffer: where to read the write data
172 * @offs: offset into OCM to write to
173 * @size: how many bytes to write
175 * Return the number of bytes not written. Return 0 on success.
177 static void asd_write_ocm_seg(struct asd_ha_struct *asd_ha, void *buffer,
181 if (unlikely(asd_ha->iospace))
182 asd_write_reg_string(asd_ha, buffer, offs+OCM_BASE_ADDR, size);
184 for ( ; size > 0; size--, offs++, p++)
185 asd_write_ocm_byte(asd_ha, offs, *p);
190 #define THREE_TO_NUM(X) ((X)[0] | ((X)[1] << 8) | ((X)[2] << 16))
192 static int asd_find_dir_entry(struct asd_ocm_dir *dir, u8 type,
193 u32 *offs, u32 *size)
196 struct asd_ocm_dir_ent *ent;
198 for (i = 0; i < dir->num_de; i++) {
199 if (dir->entry[i].type == type)
202 if (i >= dir->num_de)
204 ent = &dir->entry[i];
205 *offs = (u32) THREE_TO_NUM(ent->offs);
206 *size = (u32) THREE_TO_NUM(ent->size);
210 #define OCM_BIOS_CHIM_DE 2
211 #define BC_BIOS_PRESENT 1
213 static int asd_get_bios_chim(struct asd_ha_struct *asd_ha,
214 struct asd_ocm_dir *dir)
217 struct asd_bios_chim_struct *bc_struct;
220 err = asd_find_dir_entry(dir, OCM_BIOS_CHIM_DE, &offs, &size);
222 ASD_DPRINTK("couldn't find BIOS_CHIM dir ent\n");
226 bc_struct = kmalloc(sizeof(*bc_struct), GFP_KERNEL);
228 asd_printk("no memory for bios_chim struct\n");
231 err = asd_read_ocm_seg(asd_ha, (void *)bc_struct, offs,
234 ASD_DPRINTK("couldn't read ocm segment\n");
237 if (strncmp(bc_struct->sig, "SOIB", 4)
238 && strncmp(bc_struct->sig, "IPSA", 4)) {
239 ASD_DPRINTK("BIOS_CHIM entry has no valid sig(%c%c%c%c)\n",
240 bc_struct->sig[0], bc_struct->sig[1],
241 bc_struct->sig[2], bc_struct->sig[3]);
245 if (bc_struct->major != 1) {
246 asd_printk("BIOS_CHIM unsupported major version:0x%x\n",
251 if (bc_struct->flags & BC_BIOS_PRESENT) {
252 asd_ha->hw_prof.bios.present = 1;
253 asd_ha->hw_prof.bios.maj = bc_struct->bios_major;
254 asd_ha->hw_prof.bios.min = bc_struct->bios_minor;
255 asd_ha->hw_prof.bios.bld = le32_to_cpu(bc_struct->bios_build);
256 ASD_DPRINTK("BIOS present (%d,%d), %d\n",
257 asd_ha->hw_prof.bios.maj,
258 asd_ha->hw_prof.bios.min,
259 asd_ha->hw_prof.bios.bld);
261 asd_ha->hw_prof.ue.num = le16_to_cpu(bc_struct->ue_num);
262 asd_ha->hw_prof.ue.size= le16_to_cpu(bc_struct->ue_size);
263 ASD_DPRINTK("ue num:%d, ue size:%d\n", asd_ha->hw_prof.ue.num,
264 asd_ha->hw_prof.ue.size);
265 size = asd_ha->hw_prof.ue.num * asd_ha->hw_prof.ue.size;
268 asd_ha->hw_prof.ue.area = kmalloc(size, GFP_KERNEL);
269 if (!asd_ha->hw_prof.ue.area)
271 err = asd_read_ocm_seg(asd_ha, (void *)asd_ha->hw_prof.ue.area,
272 offs + sizeof(*bc_struct), size);
274 kfree(asd_ha->hw_prof.ue.area);
275 asd_ha->hw_prof.ue.area = NULL;
276 asd_ha->hw_prof.ue.num = 0;
277 asd_ha->hw_prof.ue.size = 0;
278 ASD_DPRINTK("couldn't read ue entries(%d)\n", err);
288 asd_hwi_initialize_ocm_dir (struct asd_ha_struct *asd_ha)
293 for (i = 0; i < OCM_MAX_SIZE; i += 4)
294 asd_write_ocm_dword(asd_ha, i, 0);
297 asd_write_ocm_seg(asd_ha, &OCMDirInit, 0,
298 sizeof(struct asd_ocm_dir));
300 /* Write Dir Entries */
301 for (i = 0; i < OCM_INIT_DIR_ENTRIES; i++)
302 asd_write_ocm_seg(asd_ha, &OCMDirEntriesInit[i],
303 sizeof(struct asd_ocm_dir) +
304 (i * sizeof(struct asd_ocm_dir_ent))
305 , sizeof(struct asd_ocm_dir_ent));
310 asd_hwi_check_ocm_access (struct asd_ha_struct *asd_ha)
312 struct pci_dev *pcidev = asd_ha->pcidev;
317 /* check if OCM has been initialized by BIOS */
318 reg = asd_read_reg_dword(asd_ha, EXSICNFGR);
320 if (!(reg & OCMINITIALIZED)) {
321 err = pci_read_config_dword(pcidev, PCIC_INTRPT_STAT, &v);
323 asd_printk("couldn't access PCIC_INTRPT_STAT of %s\n",
328 printk(KERN_INFO "OCM is not initialized by BIOS,"
329 "reinitialize it and ignore it, current IntrptStatus"
333 err = pci_write_config_dword(pcidev,
334 PCIC_INTRPT_STAT, v);
336 asd_printk("couldn't write PCIC_INTRPT_STAT of %s\n",
341 asd_hwi_initialize_ocm_dir(asd_ha);
349 * asd_read_ocm - read on chip memory (OCM)
350 * @asd_ha: pointer to the host adapter structure
352 int asd_read_ocm(struct asd_ha_struct *asd_ha)
355 struct asd_ocm_dir *dir;
357 if (asd_hwi_check_ocm_access(asd_ha))
360 dir = kmalloc(sizeof(*dir), GFP_KERNEL);
362 asd_printk("no memory for ocm dir\n");
366 err = asd_read_ocm_dir(asd_ha, dir, 0);
370 err = asd_get_bios_chim(asd_ha, dir);
376 /* ---------- FLASH stuff ---------- */
378 #define FLASH_RESET 0xF0
380 #define FLASH_SIZE 0x200000
381 #define FLASH_DIR_COOKIE "*** ADAPTEC FLASH DIRECTORY *** "
382 #define FLASH_NEXT_ENTRY_OFFS 0x2000
383 #define FLASH_MAX_DIR_ENTRIES 32
385 #define FLASH_DE_TYPE_MASK 0x3FFFFFFF
386 #define FLASH_DE_MS 0x120
387 #define FLASH_DE_CTRL_A_USER 0xE0
389 struct asd_flash_de {
397 } __attribute__ ((packed));
399 struct asd_flash_dir {
403 __le32 chksum_antidote;
405 u8 bld_id[32]; /* build id data */
406 u8 ver_data[32]; /* date and time of build */
411 struct asd_flash_de dir_entry[FLASH_MAX_DIR_ENTRIES];
412 } __attribute__ ((packed));
414 struct asd_manuf_sec {
415 char sig[2]; /* 'S', 'M' */
422 u8 sas_addr[SAS_ADDR_SIZE];
423 u8 pcba_sn[ASD_PCBA_SN_SIZE];
424 /* Here start the other segments */
426 } __attribute__ ((packed));
428 struct asd_manuf_phy_desc {
429 u8 state; /* low 4 bits */
430 #define MS_PHY_STATE_ENABLEABLE 0
431 #define MS_PHY_STATE_REPORTED 1
432 #define MS_PHY_STATE_HIDDEN 2
435 u8 phy_control_0; /* mode 5 reg 0x160 */
436 u8 phy_control_1; /* mode 5 reg 0x161 */
437 u8 phy_control_2; /* mode 5 reg 0x162 */
438 u8 phy_control_3; /* mode 5 reg 0x163 */
439 } __attribute__ ((packed));
441 struct asd_manuf_phy_param {
442 char sig[2]; /* 'P', 'M' */
446 u8 num_phy_desc; /* 8 */
447 u8 phy_desc_size; /* 8 */
451 struct asd_manuf_phy_desc phy_desc[ASD_MAX_PHYS];
452 } __attribute__ ((packed));
455 static const char *asd_sb_type[] = {
458 [2 ... 0x7F] = "unknown",
460 [0x81 ... 0xFF] = "VENDOR_UNIQUExx"
464 struct asd_ms_sb_desc {
469 } __attribute__ ((packed));
472 static const char *asd_conn_type[] = {
473 [0 ... 7] = "unknown",
477 [0x80] = "PCIX_DAUGHTER0",
478 [0x81] = "SAS_DAUGHTER0",
479 [0x82 ... 0xFF] = "VENDOR_UNIQUExx"
482 static const char *asd_conn_location[] = {
490 struct asd_ms_conn_desc {
493 u8 num_sideband_desc;
494 u8 size_sideband_desc;
497 struct asd_ms_sb_desc sb_desc[0];
498 } __attribute__ ((packed));
500 struct asd_nd_phy_desc {
502 u8 attch_specific[0];
503 } __attribute__ ((packed));
506 static const char *asd_node_type[] = {
512 "MULTI_DROP_I2C_BUS",
516 struct asd_ms_node_desc {
522 struct asd_nd_phy_desc phy_desc[0];
523 } __attribute__ ((packed));
525 struct asd_ms_conn_map {
526 char sig[2]; /* 'M', 'C' */
530 __le16 cm_size; /* size of this struct */
536 struct asd_ms_conn_desc conn_desc[0];
537 struct asd_ms_node_desc node_desc[0];
538 } __attribute__ ((packed));
540 struct asd_ctrla_phy_entry {
541 u8 sas_addr[SAS_ADDR_SIZE];
542 u8 sas_link_rates; /* max in hi bits, min in low bits */
546 } __attribute__ ((packed));
548 struct asd_ctrla_phy_settings {
552 u8 num_phys; /* number of PHYs in the PCI function */
554 struct asd_ctrla_phy_entry phy_ent[ASD_MAX_PHYS];
555 } __attribute__ ((packed));
561 u8 something_here[0];
562 } __attribute__ ((packed));
564 static int asd_poll_flash(struct asd_ha_struct *asd_ha)
569 for (c = 5000; c > 0; c--) {
570 d = asd_read_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar);
571 d ^= asd_read_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar);
579 static int asd_reset_flash(struct asd_ha_struct *asd_ha)
583 err = asd_poll_flash(asd_ha);
586 asd_write_reg_byte(asd_ha, asd_ha->hw_prof.flash.bar, FLASH_RESET);
587 err = asd_poll_flash(asd_ha);
592 static inline int asd_read_flash_seg(struct asd_ha_struct *asd_ha,
593 void *buffer, u32 offs, int size)
595 asd_read_reg_string(asd_ha, buffer, asd_ha->hw_prof.flash.bar+offs,
601 * asd_find_flash_dir - finds and reads the flash directory
602 * @asd_ha: pointer to the host adapter structure
603 * @flash_dir: pointer to flash directory structure
605 * If found, the flash directory segment will be copied to
606 * @flash_dir. Return 1 if found, 0 if not.
608 static int asd_find_flash_dir(struct asd_ha_struct *asd_ha,
609 struct asd_flash_dir *flash_dir)
612 for (v = 0; v < FLASH_SIZE; v += FLASH_NEXT_ENTRY_OFFS) {
613 asd_read_flash_seg(asd_ha, flash_dir, v,
614 sizeof(FLASH_DIR_COOKIE)-1);
615 if (memcmp(flash_dir->cookie, FLASH_DIR_COOKIE,
616 sizeof(FLASH_DIR_COOKIE)-1) == 0) {
617 asd_ha->hw_prof.flash.dir_offs = v;
618 asd_read_flash_seg(asd_ha, flash_dir, v,
626 static int asd_flash_getid(struct asd_ha_struct *asd_ha)
631 reg = asd_read_reg_dword(asd_ha, EXSICNFGR);
633 if (pci_read_config_dword(asd_ha->pcidev, PCI_CONF_FLSH_BAR,
634 &asd_ha->hw_prof.flash.bar)) {
635 asd_printk("couldn't read PCI_CONF_FLSH_BAR of %s\n",
636 pci_name(asd_ha->pcidev));
639 asd_ha->hw_prof.flash.present = 1;
640 asd_ha->hw_prof.flash.wide = reg & FLASHW ? 1 : 0;
641 err = asd_reset_flash(asd_ha);
643 ASD_DPRINTK("couldn't reset flash(%d)\n", err);
649 static u16 asd_calc_flash_chksum(u16 *p, int size)
660 static int asd_find_flash_de(struct asd_flash_dir *flash_dir, u32 entry_type,
661 u32 *offs, u32 *size)
664 struct asd_flash_de *de;
666 for (i = 0; i < FLASH_MAX_DIR_ENTRIES; i++) {
667 u32 type = le32_to_cpu(flash_dir->dir_entry[i].type);
669 type &= FLASH_DE_TYPE_MASK;
670 if (type == entry_type)
673 if (i >= FLASH_MAX_DIR_ENTRIES)
675 de = &flash_dir->dir_entry[i];
676 *offs = le32_to_cpu(de->offs);
677 *size = le32_to_cpu(de->pad_size);
681 static int asd_validate_ms(struct asd_manuf_sec *ms)
683 if (ms->sig[0] != 'S' || ms->sig[1] != 'M') {
684 ASD_DPRINTK("manuf sec: no valid sig(%c%c)\n",
685 ms->sig[0], ms->sig[1]);
689 asd_printk("unsupported manuf. sector. major version:%x\n",
693 ms->offs_next = le16_to_cpu((__force __le16) ms->offs_next);
694 ms->chksum = le16_to_cpu((__force __le16) ms->chksum);
695 ms->size = le16_to_cpu((__force __le16) ms->size);
697 if (asd_calc_flash_chksum((u16 *)ms, ms->size/2)) {
698 asd_printk("failed manuf sector checksum\n");
704 static int asd_ms_get_sas_addr(struct asd_ha_struct *asd_ha,
705 struct asd_manuf_sec *ms)
707 memcpy(asd_ha->hw_prof.sas_addr, ms->sas_addr, SAS_ADDR_SIZE);
711 static int asd_ms_get_pcba_sn(struct asd_ha_struct *asd_ha,
712 struct asd_manuf_sec *ms)
714 memcpy(asd_ha->hw_prof.pcba_sn, ms->pcba_sn, ASD_PCBA_SN_SIZE);
715 asd_ha->hw_prof.pcba_sn[ASD_PCBA_SN_SIZE] = '\0';
720 * asd_find_ll_by_id - find a linked list entry by its id
721 * @start: void pointer to the first element in the linked list
722 * @id0: the first byte of the id (offs 0)
723 * @id1: the second byte of the id (offs 1)
725 * @start has to be the _base_ element start, since the
726 * linked list entries's offset is from this pointer.
727 * Some linked list entries use only the first id, in which case
728 * you can pass 0xFF for the second.
730 static void *asd_find_ll_by_id(void * const start, const u8 id0, const u8 id1)
732 struct asd_ll_el *el = start;
742 el = start + le16_to_cpu(el->next);
743 } while (el != start);
749 * asd_ms_get_phy_params - get phy parameters from the manufacturing sector
750 * @asd_ha: pointer to the host adapter structure
751 * @manuf_sec: pointer to the manufacturing sector
753 * The manufacturing sector contans also the linked list of sub-segments,
754 * since when it was read, its size was taken from the flash directory,
755 * not from the structure size.
757 * HIDDEN phys do not count in the total count. REPORTED phys cannot
758 * be enabled but are reported and counted towards the total.
759 * ENEBLEABLE phys are enabled by default and count towards the total.
760 * The absolute total phy number is ASD_MAX_PHYS. hw_prof->num_phys
761 * merely specifies the number of phys the host adapter decided to
762 * report. E.g., it is possible for phys 0, 1 and 2 to be HIDDEN,
763 * phys 3, 4 and 5 to be REPORTED and phys 6 and 7 to be ENEBLEABLE.
764 * In this case ASD_MAX_PHYS is 8, hw_prof->num_phys is 5, and only 2
765 * are actually enabled (enabled by default, max number of phys
766 * enableable in this case).
768 static int asd_ms_get_phy_params(struct asd_ha_struct *asd_ha,
769 struct asd_manuf_sec *manuf_sec)
774 struct asd_manuf_phy_param *phy_param;
775 struct asd_manuf_phy_param dflt_phy_param;
777 phy_param = asd_find_ll_by_id(manuf_sec, 'P', 'M');
779 ASD_DPRINTK("ms: no phy parameters found\n");
780 ASD_DPRINTK("ms: Creating default phy parameters\n");
781 dflt_phy_param.sig[0] = 'P';
782 dflt_phy_param.sig[1] = 'M';
783 dflt_phy_param.maj = 0;
784 dflt_phy_param.min = 2;
785 dflt_phy_param.num_phy_desc = 8;
786 dflt_phy_param.phy_desc_size = sizeof(struct asd_manuf_phy_desc);
787 for (i =0; i < ASD_MAX_PHYS; i++) {
788 dflt_phy_param.phy_desc[i].state = 0;
789 dflt_phy_param.phy_desc[i].phy_id = i;
790 dflt_phy_param.phy_desc[i].phy_control_0 = 0xf6;
791 dflt_phy_param.phy_desc[i].phy_control_1 = 0x10;
792 dflt_phy_param.phy_desc[i].phy_control_2 = 0x43;
793 dflt_phy_param.phy_desc[i].phy_control_3 = 0xeb;
796 phy_param = &dflt_phy_param;
800 if (phy_param->maj != 0) {
801 asd_printk("unsupported manuf. phy param major version:0x%x\n",
806 ASD_DPRINTK("ms: num_phy_desc: %d\n", phy_param->num_phy_desc);
807 asd_ha->hw_prof.enabled_phys = 0;
808 for (i = 0; i < phy_param->num_phy_desc; i++) {
809 struct asd_manuf_phy_desc *pd = &phy_param->phy_desc[i];
810 switch (pd->state & 0xF) {
811 case MS_PHY_STATE_HIDDEN:
812 ASD_DPRINTK("ms: phy%d: HIDDEN\n", i);
814 case MS_PHY_STATE_REPORTED:
815 ASD_DPRINTK("ms: phy%d: REPORTED\n", i);
816 asd_ha->hw_prof.enabled_phys &= ~(1 << i);
819 case MS_PHY_STATE_ENABLEABLE:
820 ASD_DPRINTK("ms: phy%d: ENEBLEABLE\n", i);
821 asd_ha->hw_prof.enabled_phys |= (1 << i);
825 asd_ha->hw_prof.phy_desc[i].phy_control_0 = pd->phy_control_0;
826 asd_ha->hw_prof.phy_desc[i].phy_control_1 = pd->phy_control_1;
827 asd_ha->hw_prof.phy_desc[i].phy_control_2 = pd->phy_control_2;
828 asd_ha->hw_prof.phy_desc[i].phy_control_3 = pd->phy_control_3;
830 asd_ha->hw_prof.max_phys = rep_phys + en_phys;
831 asd_ha->hw_prof.num_phys = en_phys;
832 ASD_DPRINTK("ms: max_phys:0x%x, num_phys:0x%x\n",
833 asd_ha->hw_prof.max_phys, asd_ha->hw_prof.num_phys);
834 ASD_DPRINTK("ms: enabled_phys:0x%x\n", asd_ha->hw_prof.enabled_phys);
838 static int asd_ms_get_connector_map(struct asd_ha_struct *asd_ha,
839 struct asd_manuf_sec *manuf_sec)
841 struct asd_ms_conn_map *cm;
843 cm = asd_find_ll_by_id(manuf_sec, 'M', 'C');
845 ASD_DPRINTK("ms: no connector map found\n");
850 ASD_DPRINTK("ms: unsupported: connector map major version 0x%x"
862 * asd_process_ms - find and extract information from the manufacturing sector
863 * @asd_ha: pointer to the host adapter structure
864 * @flash_dir: pointer to the flash directory
866 static int asd_process_ms(struct asd_ha_struct *asd_ha,
867 struct asd_flash_dir *flash_dir)
870 struct asd_manuf_sec *manuf_sec;
873 err = asd_find_flash_de(flash_dir, FLASH_DE_MS, &offs, &size);
875 ASD_DPRINTK("Couldn't find the manuf. sector\n");
883 manuf_sec = kmalloc(size, GFP_KERNEL);
885 ASD_DPRINTK("no mem for manuf sector\n");
889 err = asd_read_flash_seg(asd_ha, (void *)manuf_sec, offs, size);
891 ASD_DPRINTK("couldn't read manuf sector at 0x%x, size 0x%x\n",
896 err = asd_validate_ms(manuf_sec);
898 ASD_DPRINTK("couldn't validate manuf sector\n");
902 err = asd_ms_get_sas_addr(asd_ha, manuf_sec);
904 ASD_DPRINTK("couldn't read the SAS_ADDR\n");
907 ASD_DPRINTK("manuf sect SAS_ADDR %llx\n",
908 SAS_ADDR(asd_ha->hw_prof.sas_addr));
910 err = asd_ms_get_pcba_sn(asd_ha, manuf_sec);
912 ASD_DPRINTK("couldn't read the PCBA SN\n");
915 ASD_DPRINTK("manuf sect PCBA SN %s\n", asd_ha->hw_prof.pcba_sn);
917 err = asd_ms_get_phy_params(asd_ha, manuf_sec);
919 ASD_DPRINTK("ms: couldn't get phy parameters\n");
923 err = asd_ms_get_connector_map(asd_ha, manuf_sec);
925 ASD_DPRINTK("ms: couldn't get connector map\n");
935 static int asd_process_ctrla_phy_settings(struct asd_ha_struct *asd_ha,
936 struct asd_ctrla_phy_settings *ps)
939 for (i = 0; i < ps->num_phys; i++) {
940 struct asd_ctrla_phy_entry *pe = &ps->phy_ent[i];
942 if (!PHY_ENABLED(asd_ha, i))
944 if (*(u64 *)pe->sas_addr == 0) {
945 asd_ha->hw_prof.enabled_phys &= ~(1 << i);
948 /* This is the SAS address which should be sent in IDENTIFY. */
949 memcpy(asd_ha->hw_prof.phy_desc[i].sas_addr, pe->sas_addr,
951 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
952 (pe->sas_link_rates & 0xF0) >> 4;
953 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
954 (pe->sas_link_rates & 0x0F);
955 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
956 (pe->sata_link_rates & 0xF0) >> 4;
957 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
958 (pe->sata_link_rates & 0x0F);
959 asd_ha->hw_prof.phy_desc[i].flags = pe->flags;
960 ASD_DPRINTK("ctrla: phy%d: sas_addr: %llx, sas rate:0x%x-0x%x,"
961 " sata rate:0x%x-0x%x, flags:0x%x\n",
963 SAS_ADDR(asd_ha->hw_prof.phy_desc[i].sas_addr),
964 asd_ha->hw_prof.phy_desc[i].max_sas_lrate,
965 asd_ha->hw_prof.phy_desc[i].min_sas_lrate,
966 asd_ha->hw_prof.phy_desc[i].max_sata_lrate,
967 asd_ha->hw_prof.phy_desc[i].min_sata_lrate,
968 asd_ha->hw_prof.phy_desc[i].flags);
975 * asd_process_ctrl_a_user - process CTRL-A user settings
976 * @asd_ha: pointer to the host adapter structure
977 * @flash_dir: pointer to the flash directory
979 static int asd_process_ctrl_a_user(struct asd_ha_struct *asd_ha,
980 struct asd_flash_dir *flash_dir)
984 struct asd_ll_el *el;
985 struct asd_ctrla_phy_settings *ps;
986 struct asd_ctrla_phy_settings dflt_ps;
988 err = asd_find_flash_de(flash_dir, FLASH_DE_CTRL_A_USER, &offs, &size);
990 ASD_DPRINTK("couldn't find CTRL-A user settings section\n");
991 ASD_DPRINTK("Creating default CTRL-A user settings section\n");
994 dflt_ps.num_phys = 8;
995 for (i =0; i < ASD_MAX_PHYS; i++) {
996 memcpy(dflt_ps.phy_ent[i].sas_addr,
997 asd_ha->hw_prof.sas_addr, SAS_ADDR_SIZE);
998 dflt_ps.phy_ent[i].sas_link_rates = 0x98;
999 dflt_ps.phy_ent[i].flags = 0x0;
1000 dflt_ps.phy_ent[i].sata_link_rates = 0x0;
1003 size = sizeof(struct asd_ctrla_phy_settings);
1011 el = kmalloc(size, GFP_KERNEL);
1013 ASD_DPRINTK("no mem for ctrla user settings section\n");
1017 err = asd_read_flash_seg(asd_ha, (void *)el, offs, size);
1019 ASD_DPRINTK("couldn't read ctrla phy settings section\n");
1024 ps = asd_find_ll_by_id(el, 'h', 0xFF);
1026 ASD_DPRINTK("couldn't find ctrla phy settings struct\n");
1030 err = asd_process_ctrla_phy_settings(asd_ha, ps);
1032 ASD_DPRINTK("couldn't process ctrla phy settings\n");
1042 * asd_read_flash - read flash memory
1043 * @asd_ha: pointer to the host adapter structure
1045 int asd_read_flash(struct asd_ha_struct *asd_ha)
1048 struct asd_flash_dir *flash_dir;
1050 err = asd_flash_getid(asd_ha);
1054 flash_dir = kmalloc(sizeof(*flash_dir), GFP_KERNEL);
1059 if (!asd_find_flash_dir(asd_ha, flash_dir)) {
1060 ASD_DPRINTK("couldn't find flash directory\n");
1064 if (le32_to_cpu(flash_dir->rev) != 2) {
1065 asd_printk("unsupported flash dir version:0x%x\n",
1066 le32_to_cpu(flash_dir->rev));
1070 err = asd_process_ms(asd_ha, flash_dir);
1072 ASD_DPRINTK("couldn't process manuf sector settings\n");
1076 err = asd_process_ctrl_a_user(asd_ha, flash_dir);
1078 ASD_DPRINTK("couldn't process CTRL-A user settings\n");