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authorKrishna Gudipati <kgudipat@brocade.com>2011-12-20 21:55:07 -0500
committerJames Bottomley <JBottomley@Parallels.com>2012-01-10 18:01:24 -0500
commit8ca2dd87e7f29df99389e9dc41f7a45a35223672 (patch)
treee64df5281ac4a44ba6ae2808b8e387a0071ed438 /drivers/scsi
parent6bc6204e3b7f4ac235e98e362714213369d6a012 (diff)
[SCSI] bfa: Revert back the current LUN Masking Implementation.
This patch reverts the current LUN Masking Implementation. We re-implemented this feature using the SCSI Slave Callout's as per the review comments. Signed-off-by: Krishna Gudipati <kgudipat@brocade.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/bfa/bfa_defs_svc.h7
-rw-r--r--drivers/scsi/bfa/bfa_fc.h155
-rw-r--r--drivers/scsi/bfa/bfa_fcpim.c410
-rw-r--r--drivers/scsi/bfa/bfa_fcpim.h7
-rw-r--r--drivers/scsi/bfa/bfa_svc.h5
5 files changed, 2 insertions, 582 deletions
diff --git a/drivers/scsi/bfa/bfa_defs_svc.h b/drivers/scsi/bfa/bfa_defs_svc.h
index 78963be2c4f..cb07c628b2f 100644
--- a/drivers/scsi/bfa/bfa_defs_svc.h
+++ b/drivers/scsi/bfa/bfa_defs_svc.h
@@ -673,12 +673,7 @@ struct bfa_itnim_iostats_s {
673 u32 tm_iocdowns; /* TM cleaned-up due to IOC down */ 673 u32 tm_iocdowns; /* TM cleaned-up due to IOC down */
674 u32 tm_cleanups; /* TM cleanup requests */ 674 u32 tm_cleanups; /* TM cleanup requests */
675 u32 tm_cleanup_comps; /* TM cleanup completions */ 675 u32 tm_cleanup_comps; /* TM cleanup completions */
676 u32 lm_lun_across_sg; /* LM lun is across sg data buf */ 676 u32 rsvd[6];
677 u32 lm_lun_not_sup; /* LM lun not supported */
678 u32 lm_rpl_data_changed; /* LM report-lun data changed */
679 u32 lm_wire_residue_changed; /* LM report-lun rsp residue changed */
680 u32 lm_small_buf_addresidue; /* LM buf smaller than reported cnt */
681 u32 lm_lun_not_rdy; /* LM lun not ready */
682}; 677};
683 678
684/* Modify char* port_stt[] in bfal_port.c if a new state was added */ 679/* Modify char* port_stt[] in bfal_port.c if a new state was added */
diff --git a/drivers/scsi/bfa/bfa_fc.h b/drivers/scsi/bfa/bfa_fc.h
index 50b6a1c8619..8d0b88f67a3 100644
--- a/drivers/scsi/bfa/bfa_fc.h
+++ b/drivers/scsi/bfa/bfa_fc.h
@@ -56,161 +56,6 @@ struct scsi_cdb_s {
56 56
57#define SCSI_MAX_ALLOC_LEN 0xFF /* maximum allocarion length */ 57#define SCSI_MAX_ALLOC_LEN 0xFF /* maximum allocarion length */
58 58
59#define SCSI_SENSE_CUR_ERR 0x70
60#define SCSI_SENSE_DEF_ERR 0x71
61
62/*
63 * SCSI additional sense codes
64 */
65#define SCSI_ASC_LUN_NOT_READY 0x04
66#define SCSI_ASC_LUN_NOT_SUPPORTED 0x25
67#define SCSI_ASC_TOCC 0x3F
68
69/*
70 * SCSI additional sense code qualifiers
71 */
72#define SCSI_ASCQ_MAN_INTR_REQ 0x03 /* manual intervention req */
73#define SCSI_ASCQ_RL_DATA_CHANGED 0x0E /* report luns data changed */
74
75/*
76 * Methods of reporting informational exceptions
77 */
78#define SCSI_MP_IEC_UNIT_ATTN 0x2 /* generate unit attention */
79
80struct scsi_report_luns_data_s {
81 u32 lun_list_length; /* length of LUN list length */
82 u32 reserved;
83 struct scsi_lun lun[1]; /* first LUN in lun list */
84};
85
86struct scsi_inquiry_vendor_s {
87 u8 vendor_id[8];
88};
89
90struct scsi_inquiry_prodid_s {
91 u8 product_id[16];
92};
93
94struct scsi_inquiry_prodrev_s {
95 u8 product_rev[4];
96};
97
98struct scsi_inquiry_data_s {
99#ifdef __BIG_ENDIAN
100 u8 peripheral_qual:3; /* peripheral qualifier */
101 u8 device_type:5; /* peripheral device type */
102 u8 rmb:1; /* removable medium bit */
103 u8 device_type_mod:7; /* device type modifier */
104 u8 version;
105 u8 aenc:1; /* async evt notification capability */
106 u8 trm_iop:1; /* terminate I/O process */
107 u8 norm_aca:1; /* normal ACA supported */
108 u8 hi_support:1; /* SCSI-3: supports REPORT LUNS */
109 u8 rsp_data_format:4;
110 u8 additional_len;
111 u8 sccs:1;
112 u8 reserved1:7;
113 u8 reserved2:1;
114 u8 enc_serv:1; /* enclosure service component */
115 u8 reserved3:1;
116 u8 multi_port:1; /* multi-port device */
117 u8 m_chngr:1; /* device in medium transport element */
118 u8 ack_req_q:1; /* SIP specific bit */
119 u8 addr32:1; /* SIP specific bit */
120 u8 addr16:1; /* SIP specific bit */
121 u8 rel_adr:1; /* relative address */
122 u8 w_bus32:1;
123 u8 w_bus16:1;
124 u8 synchronous:1;
125 u8 linked_commands:1;
126 u8 trans_dis:1;
127 u8 cmd_queue:1; /* command queueing supported */
128 u8 soft_reset:1; /* soft reset alternative (VS) */
129#else
130 u8 device_type:5; /* peripheral device type */
131 u8 peripheral_qual:3; /* peripheral qualifier */
132 u8 device_type_mod:7; /* device type modifier */
133 u8 rmb:1; /* removable medium bit */
134 u8 version;
135 u8 rsp_data_format:4;
136 u8 hi_support:1; /* SCSI-3: supports REPORT LUNS */
137 u8 norm_aca:1; /* normal ACA supported */
138 u8 terminate_iop:1;/* terminate I/O process */
139 u8 aenc:1; /* async evt notification capability */
140 u8 additional_len;
141 u8 reserved1:7;
142 u8 sccs:1;
143 u8 addr16:1; /* SIP specific bit */
144 u8 addr32:1; /* SIP specific bit */
145 u8 ack_req_q:1; /* SIP specific bit */
146 u8 m_chngr:1; /* device in medium transport element */
147 u8 multi_port:1; /* multi-port device */
148 u8 reserved3:1; /* TBD - Vendor Specific */
149 u8 enc_serv:1; /* enclosure service component */
150 u8 reserved2:1;
151 u8 soft_seset:1; /* soft reset alternative (VS) */
152 u8 cmd_queue:1; /* command queueing supported */
153 u8 trans_dis:1;
154 u8 linked_commands:1;
155 u8 synchronous:1;
156 u8 w_bus16:1;
157 u8 w_bus32:1;
158 u8 rel_adr:1; /* relative address */
159#endif
160 struct scsi_inquiry_vendor_s vendor_id;
161 struct scsi_inquiry_prodid_s product_id;
162 struct scsi_inquiry_prodrev_s product_rev;
163 u8 vendor_specific[20];
164 u8 reserved4[40];
165};
166
167/*
168 * SCSI sense data format
169 */
170struct scsi_sense_s {
171#ifdef __BIG_ENDIAN
172 u8 valid:1;
173 u8 rsp_code:7;
174#else
175 u8 rsp_code:7;
176 u8 valid:1;
177#endif
178 u8 seg_num;
179#ifdef __BIG_ENDIAN
180 u8 file_mark:1;
181 u8 eom:1; /* end of media */
182 u8 ili:1; /* incorrect length indicator */
183 u8 reserved:1;
184 u8 sense_key:4;
185#else
186 u8 sense_key:4;
187 u8 reserved:1;
188 u8 ili:1; /* incorrect length indicator */
189 u8 eom:1; /* end of media */
190 u8 file_mark:1;
191#endif
192 u8 information[4]; /* device-type or cmd specific info */
193 u8 add_sense_length; /* additional sense length */
194 u8 command_info[4];/* command specific information */
195 u8 asc; /* additional sense code */
196 u8 ascq; /* additional sense code qualifier */
197 u8 fru_code; /* field replaceable unit code */
198#ifdef __BIG_ENDIAN
199 u8 sksv:1; /* sense key specific valid */
200 u8 c_d:1; /* command/data bit */
201 u8 res1:2;
202 u8 bpv:1; /* bit pointer valid */
203 u8 bpointer:3; /* bit pointer */
204#else
205 u8 bpointer:3; /* bit pointer */
206 u8 bpv:1; /* bit pointer valid */
207 u8 res1:2;
208 u8 c_d:1; /* command/data bit */
209 u8 sksv:1; /* sense key specific valid */
210#endif
211 u8 fpointer[2]; /* field pointer */
212};
213
214/* 59/*
215 * Fibre Channel Header Structure (FCHS) definition 60 * Fibre Channel Header Structure (FCHS) definition
216 */ 61 */
diff --git a/drivers/scsi/bfa/bfa_fcpim.c b/drivers/scsi/bfa/bfa_fcpim.c
index 846f15b6e1d..f0f80e282e3 100644
--- a/drivers/scsi/bfa/bfa_fcpim.c
+++ b/drivers/scsi/bfa/bfa_fcpim.c
@@ -24,8 +24,6 @@ BFA_TRC_FILE(HAL, FCPIM);
24 * BFA ITNIM Related definitions 24 * BFA ITNIM Related definitions
25 */ 25 */
26static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); 26static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim);
27static bfa_boolean_t bfa_ioim_lm_proc_rpl_data(struct bfa_ioim_s *ioim);
28static bfa_boolean_t bfa_ioim_lm_proc_inq_data(struct bfa_ioim_s *ioim);
29static void bfa_ioim_lm_init(struct bfa_s *bfa); 27static void bfa_ioim_lm_init(struct bfa_s *bfa);
30 28
31#define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \ 29#define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \
@@ -60,14 +58,6 @@ static void bfa_ioim_lm_init(struct bfa_s *bfa);
60 } \ 58 } \
61} while (0) 59} while (0)
62 60
63#define bfa_ioim_rp_wwn(__ioim) \
64 (((struct bfa_fcs_rport_s *) \
65 (__ioim)->itnim->rport->rport_drv)->pwwn)
66
67#define bfa_ioim_lp_wwn(__ioim) \
68 ((BFA_LPS_FROM_TAG(BFA_LPS_MOD((__ioim)->bfa), \
69 (__ioim)->itnim->rport->rport_info.lp_tag))->pwwn) \
70
71#define bfa_itnim_sler_cb(__itnim) do { \ 61#define bfa_itnim_sler_cb(__itnim) do { \
72 if ((__itnim)->bfa->fcs) \ 62 if ((__itnim)->bfa->fcs) \
73 bfa_cb_itnim_sler((__itnim)->ditn); \ 63 bfa_cb_itnim_sler((__itnim)->ditn); \
@@ -77,13 +67,6 @@ static void bfa_ioim_lm_init(struct bfa_s *bfa);
77 } \ 67 } \
78} while (0) 68} while (0)
79 69
80enum bfa_ioim_lm_status {
81 BFA_IOIM_LM_PRESENT = 1,
82 BFA_IOIM_LM_LUN_NOT_SUP = 2,
83 BFA_IOIM_LM_RPL_DATA_CHANGED = 3,
84 BFA_IOIM_LM_LUN_NOT_RDY = 4,
85};
86
87enum bfa_ioim_lm_ua_status { 70enum bfa_ioim_lm_ua_status {
88 BFA_IOIM_LM_UA_RESET = 0, 71 BFA_IOIM_LM_UA_RESET = 0,
89 BFA_IOIM_LM_UA_SET = 1, 72 BFA_IOIM_LM_UA_SET = 1,
@@ -145,9 +128,6 @@ enum bfa_ioim_event {
145 BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ 128 BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */
146 BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ 129 BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */
147 BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ 130 BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */
148 BFA_IOIM_SM_LM_LUN_NOT_SUP = 19,/* lunmask lun not supported */
149 BFA_IOIM_SM_LM_RPL_DC = 20, /* lunmask report-lun data changed */
150 BFA_IOIM_SM_LM_LUN_NOT_RDY = 21,/* lunmask lun not ready */
151}; 131};
152 132
153 133
@@ -245,9 +225,6 @@ static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete);
245static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete); 225static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete);
246static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete); 226static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete);
247static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim); 227static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim);
248static void __bfa_cb_ioim_lm_lun_not_sup(void *cbarg, bfa_boolean_t complete);
249static void __bfa_cb_ioim_lm_rpl_dc(void *cbarg, bfa_boolean_t complete);
250static void __bfa_cb_ioim_lm_lun_not_rdy(void *cbarg, bfa_boolean_t complete);
251 228
252/* 229/*
253 * forward declaration of BFA IO state machine 230 * forward declaration of BFA IO state machine
@@ -445,12 +422,6 @@ bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *lstats,
445 bfa_fcpim_add_iostats(lstats, rstats, output_reqs); 422 bfa_fcpim_add_iostats(lstats, rstats, output_reqs);
446 bfa_fcpim_add_iostats(lstats, rstats, rd_throughput); 423 bfa_fcpim_add_iostats(lstats, rstats, rd_throughput);
447 bfa_fcpim_add_iostats(lstats, rstats, wr_throughput); 424 bfa_fcpim_add_iostats(lstats, rstats, wr_throughput);
448 bfa_fcpim_add_iostats(lstats, rstats, lm_lun_across_sg);
449 bfa_fcpim_add_iostats(lstats, rstats, lm_lun_not_sup);
450 bfa_fcpim_add_iostats(lstats, rstats, lm_rpl_data_changed);
451 bfa_fcpim_add_iostats(lstats, rstats, lm_wire_residue_changed);
452 bfa_fcpim_add_iostats(lstats, rstats, lm_small_buf_addresidue);
453 bfa_fcpim_add_iostats(lstats, rstats, lm_lun_not_rdy);
454} 425}
455 426
456bfa_status_t 427bfa_status_t
@@ -1580,27 +1551,6 @@ bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
1580 __bfa_cb_ioim_abort, ioim); 1551 __bfa_cb_ioim_abort, ioim);
1581 break; 1552 break;
1582 1553
1583 case BFA_IOIM_SM_LM_LUN_NOT_SUP:
1584 bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
1585 bfa_ioim_move_to_comp_q(ioim);
1586 bfa_cb_queue(ioim->bfa, &ioim->hcb_qe,
1587 __bfa_cb_ioim_lm_lun_not_sup, ioim);
1588 break;
1589
1590 case BFA_IOIM_SM_LM_RPL_DC:
1591 bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
1592 bfa_ioim_move_to_comp_q(ioim);
1593 bfa_cb_queue(ioim->bfa, &ioim->hcb_qe,
1594 __bfa_cb_ioim_lm_rpl_dc, ioim);
1595 break;
1596
1597 case BFA_IOIM_SM_LM_LUN_NOT_RDY:
1598 bfa_sm_set_state(ioim, bfa_ioim_sm_hcb);
1599 bfa_ioim_move_to_comp_q(ioim);
1600 bfa_cb_queue(ioim->bfa, &ioim->hcb_qe,
1601 __bfa_cb_ioim_lm_lun_not_rdy, ioim);
1602 break;
1603
1604 default: 1554 default:
1605 bfa_sm_fault(ioim->bfa, event); 1555 bfa_sm_fault(ioim->bfa, event);
1606 } 1556 }
@@ -2160,243 +2110,6 @@ bfa_ioim_lm_init(struct bfa_s *bfa)
2160 } 2110 }
2161} 2111}
2162 2112
2163/*
2164 * Validate LUN for LUN masking
2165 */
2166static enum bfa_ioim_lm_status
2167bfa_ioim_lm_check(struct bfa_ioim_s *ioim, struct bfa_lps_s *lps,
2168 struct bfa_rport_s *rp, struct scsi_lun lun)
2169{
2170 u8 i;
2171 struct bfa_lun_mask_s *lun_list = bfa_get_lun_mask_list(ioim->bfa);
2172 struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio;
2173 struct scsi_cdb_s *cdb = (struct scsi_cdb_s *)cmnd->cmnd;
2174
2175 if ((cdb->scsi_cdb[0] == REPORT_LUNS) &&
2176 (scsilun_to_int((struct scsi_lun *)&lun) == 0)) {
2177 ioim->proc_rsp_data = bfa_ioim_lm_proc_rpl_data;
2178 return BFA_IOIM_LM_PRESENT;
2179 }
2180
2181 for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
2182
2183 if (lun_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE)
2184 continue;
2185
2186 if ((scsilun_to_int((struct scsi_lun *)&lun_list[i].lun) ==
2187 scsilun_to_int((struct scsi_lun *)&lun))
2188 && (rp->rport_tag == lun_list[i].rp_tag)
2189 && ((u8)ioim->itnim->rport->rport_info.lp_tag ==
2190 lun_list[i].lp_tag)) {
2191 bfa_trc(ioim->bfa, lun_list[i].rp_tag);
2192 bfa_trc(ioim->bfa, lun_list[i].lp_tag);
2193 bfa_trc(ioim->bfa, scsilun_to_int(
2194 (struct scsi_lun *)&lun_list[i].lun));
2195
2196 if ((lun_list[i].ua == BFA_IOIM_LM_UA_SET) &&
2197 ((cdb->scsi_cdb[0] != INQUIRY) ||
2198 (cdb->scsi_cdb[0] != REPORT_LUNS))) {
2199 lun_list[i].ua = BFA_IOIM_LM_UA_RESET;
2200 return BFA_IOIM_LM_RPL_DATA_CHANGED;
2201 }
2202
2203 if (cdb->scsi_cdb[0] == REPORT_LUNS)
2204 ioim->proc_rsp_data = bfa_ioim_lm_proc_rpl_data;
2205
2206 return BFA_IOIM_LM_PRESENT;
2207 }
2208 }
2209
2210 if ((cdb->scsi_cdb[0] == INQUIRY) &&
2211 (scsilun_to_int((struct scsi_lun *)&lun) == 0)) {
2212 ioim->proc_rsp_data = bfa_ioim_lm_proc_inq_data;
2213 return BFA_IOIM_LM_PRESENT;
2214 }
2215
2216 if (cdb->scsi_cdb[0] == TEST_UNIT_READY)
2217 return BFA_IOIM_LM_LUN_NOT_RDY;
2218
2219 return BFA_IOIM_LM_LUN_NOT_SUP;
2220}
2221
2222static bfa_boolean_t
2223bfa_ioim_lm_proc_rsp_data_dummy(struct bfa_ioim_s *ioim)
2224{
2225 return BFA_TRUE;
2226}
2227
2228static void
2229bfa_ioim_lm_fetch_lun(struct bfa_ioim_s *ioim, u8 *rl_data, int offset,
2230 int buf_lun_cnt)
2231{
2232 struct bfa_lun_mask_s *lun_list = bfa_get_lun_mask_list(ioim->bfa);
2233 struct scsi_lun *lun_data = (struct scsi_lun *)(rl_data + offset);
2234 struct scsi_lun lun;
2235 int i, j;
2236
2237 bfa_trc(ioim->bfa, buf_lun_cnt);
2238 for (j = 0; j < buf_lun_cnt; j++) {
2239 lun = *((struct scsi_lun *)(lun_data + j));
2240 for (i = 0; i < MAX_LUN_MASK_CFG; i++) {
2241 if (lun_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE)
2242 continue;
2243 if ((lun_list[i].rp_wwn == bfa_ioim_rp_wwn(ioim)) &&
2244 (lun_list[i].lp_wwn == bfa_ioim_lp_wwn(ioim)) &&
2245 (scsilun_to_int((struct scsi_lun *)&lun_list[i].lun)
2246 == scsilun_to_int((struct scsi_lun *)&lun))) {
2247 lun_list[i].state = BFA_IOIM_LUN_MASK_FETCHED;
2248 break;
2249 }
2250 } /* next lun in mask DB */
2251 } /* next lun in buf */
2252}
2253
2254static int
2255bfa_ioim_lm_update_lun_sg(struct bfa_ioim_s *ioim, u32 *pgdlen,
2256 struct scsi_report_luns_data_s *rl)
2257{
2258 struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio;
2259 struct scatterlist *sg = scsi_sglist(cmnd);
2260 struct bfa_lun_mask_s *lun_list = bfa_get_lun_mask_list(ioim->bfa);
2261 struct scsi_lun *prev_rl_data = NULL, *base_rl_data;
2262 int i, j, sgeid, lun_fetched_cnt = 0, prev_sg_len = 0, base_count;
2263 int lun_across_sg_bytes, bytes_from_next_buf;
2264 u64 last_lun, temp_last_lun;
2265
2266 /* fetch luns from the first sg element */
2267 bfa_ioim_lm_fetch_lun(ioim, (u8 *)(rl->lun), 0,
2268 (sg_dma_len(sg) / sizeof(struct scsi_lun)) - 1);
2269
2270 /* fetch luns from multiple sg elements */
2271 scsi_for_each_sg(cmnd, sg, scsi_sg_count(cmnd), sgeid) {
2272 if (sgeid == 0) {
2273 prev_sg_len = sg_dma_len(sg);
2274 prev_rl_data = (struct scsi_lun *)
2275 phys_to_virt(sg_dma_address(sg));
2276 continue;
2277 }
2278
2279 /* if the buf is having more data */
2280 lun_across_sg_bytes = prev_sg_len % sizeof(struct scsi_lun);
2281 if (lun_across_sg_bytes) {
2282 bfa_trc(ioim->bfa, lun_across_sg_bytes);
2283 bfa_stats(ioim->itnim, lm_lun_across_sg);
2284 bytes_from_next_buf = sizeof(struct scsi_lun) -
2285 lun_across_sg_bytes;
2286
2287 /* from next buf take higher bytes */
2288 temp_last_lun = *((u64 *)
2289 phys_to_virt(sg_dma_address(sg)));
2290 last_lun |= temp_last_lun >>
2291 (lun_across_sg_bytes * BITS_PER_BYTE);
2292
2293 /* from prev buf take higher bytes */
2294 temp_last_lun = *((u64 *)(prev_rl_data +
2295 (prev_sg_len - lun_across_sg_bytes)));
2296 temp_last_lun >>= bytes_from_next_buf * BITS_PER_BYTE;
2297 last_lun = last_lun | (temp_last_lun <<
2298 (bytes_from_next_buf * BITS_PER_BYTE));
2299
2300 bfa_ioim_lm_fetch_lun(ioim, (u8 *)&last_lun, 0, 1);
2301 } else
2302 bytes_from_next_buf = 0;
2303
2304 *pgdlen += sg_dma_len(sg);
2305 prev_sg_len = sg_dma_len(sg);
2306 prev_rl_data = (struct scsi_lun *)
2307 phys_to_virt(sg_dma_address(sg));
2308 bfa_ioim_lm_fetch_lun(ioim, (u8 *)prev_rl_data,
2309 bytes_from_next_buf,
2310 sg_dma_len(sg) / sizeof(struct scsi_lun));
2311 }
2312
2313 /* update the report luns data - based on fetched luns */
2314 sg = scsi_sglist(cmnd);
2315 base_rl_data = (struct scsi_lun *)rl->lun;
2316 base_count = (sg_dma_len(sg) / sizeof(struct scsi_lun)) - 1;
2317 for (i = 0, j = 0; i < MAX_LUN_MASK_CFG; i++) {
2318 if (lun_list[i].state == BFA_IOIM_LUN_MASK_FETCHED) {
2319 base_rl_data[j] = lun_list[i].lun;
2320 lun_list[i].state = BFA_IOIM_LUN_MASK_ACTIVE;
2321 j++;
2322 lun_fetched_cnt++;
2323 }
2324
2325 if (j > base_count) {
2326 j = 0;
2327 sg = sg_next(sg);
2328 base_rl_data = (struct scsi_lun *)
2329 phys_to_virt(sg_dma_address(sg));
2330 base_count = sg_dma_len(sg) / sizeof(struct scsi_lun);
2331 }
2332 }
2333
2334 bfa_trc(ioim->bfa, lun_fetched_cnt);
2335 return lun_fetched_cnt;
2336}
2337
2338static bfa_boolean_t
2339bfa_ioim_lm_proc_inq_data(struct bfa_ioim_s *ioim)
2340{
2341 struct scsi_inquiry_data_s *inq;
2342 struct scatterlist *sg = scsi_sglist((struct scsi_cmnd *)ioim->dio);
2343
2344 ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy;
2345 inq = (struct scsi_inquiry_data_s *)phys_to_virt(sg_dma_address(sg));
2346
2347 bfa_trc(ioim->bfa, inq->device_type);
2348 inq->peripheral_qual = SCSI_INQ_PQ_NOT_CON;
2349 return 0;
2350}
2351
2352static bfa_boolean_t
2353bfa_ioim_lm_proc_rpl_data(struct bfa_ioim_s *ioim)
2354{
2355 struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio;
2356 struct scatterlist *sg = scsi_sglist(cmnd);
2357 struct bfi_ioim_rsp_s *m;
2358 struct scsi_report_luns_data_s *rl = NULL;
2359 int lun_count = 0, lun_fetched_cnt = 0;
2360 u32 residue, pgdlen = 0;
2361
2362 ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy;
2363 if (bfa_get_lun_mask_status(ioim->bfa) != BFA_LUNMASK_ENABLED)
2364 return BFA_TRUE;
2365
2366 m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg;
2367 if (m->scsi_status == SCSI_STATUS_CHECK_CONDITION)
2368 return BFA_TRUE;
2369
2370 pgdlen = sg_dma_len(sg);
2371 bfa_trc(ioim->bfa, pgdlen);
2372 rl = (struct scsi_report_luns_data_s *)phys_to_virt(sg_dma_address(sg));
2373 lun_count = cpu_to_be32(rl->lun_list_length) / sizeof(struct scsi_lun);
2374 lun_fetched_cnt = bfa_ioim_lm_update_lun_sg(ioim, &pgdlen, rl);
2375
2376 if (lun_count == lun_fetched_cnt)
2377 return BFA_TRUE;
2378
2379 bfa_trc(ioim->bfa, lun_count);
2380 bfa_trc(ioim->bfa, lun_fetched_cnt);
2381 bfa_trc(ioim->bfa, be32_to_cpu(rl->lun_list_length));
2382
2383 if (be32_to_cpu(rl->lun_list_length) <= pgdlen)
2384 rl->lun_list_length = be32_to_cpu(lun_fetched_cnt) *
2385 sizeof(struct scsi_lun);
2386 else
2387 bfa_stats(ioim->itnim, lm_small_buf_addresidue);
2388
2389 bfa_trc(ioim->bfa, be32_to_cpu(rl->lun_list_length));
2390 bfa_trc(ioim->bfa, be32_to_cpu(m->residue));
2391
2392 residue = be32_to_cpu(m->residue);
2393 residue += (lun_count - lun_fetched_cnt) * sizeof(struct scsi_lun);
2394 bfa_stats(ioim->itnim, lm_wire_residue_changed);
2395 m->residue = be32_to_cpu(residue);
2396 bfa_trc(ioim->bfa, ioim->nsges);
2397 return BFA_FALSE;
2398}
2399
2400static void 2113static void
2401__bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete) 2114__bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete)
2402{ 2115{
@@ -2454,83 +2167,6 @@ __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete)
2454 m->scsi_status, sns_len, snsinfo, residue); 2167 m->scsi_status, sns_len, snsinfo, residue);
2455} 2168}
2456 2169
2457static void
2458__bfa_cb_ioim_lm_lun_not_sup(void *cbarg, bfa_boolean_t complete)
2459{
2460 struct bfa_ioim_s *ioim = cbarg;
2461 int sns_len = 0xD;
2462 u32 residue = scsi_bufflen((struct scsi_cmnd *)ioim->dio);
2463 struct scsi_sense_s *snsinfo;
2464
2465 if (!complete) {
2466 bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB);
2467 return;
2468 }
2469
2470 snsinfo = (struct scsi_sense_s *)BFA_SNSINFO_FROM_TAG(
2471 ioim->fcpim->fcp, ioim->iotag);
2472 snsinfo->rsp_code = SCSI_SENSE_CUR_ERR;
2473 snsinfo->add_sense_length = 0xa;
2474 snsinfo->asc = SCSI_ASC_LUN_NOT_SUPPORTED;
2475 snsinfo->sense_key = ILLEGAL_REQUEST;
2476 bfa_trc(ioim->bfa, residue);
2477 bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_OK,
2478 SCSI_STATUS_CHECK_CONDITION, sns_len,
2479 (u8 *)snsinfo, residue);
2480}
2481
2482static void
2483__bfa_cb_ioim_lm_rpl_dc(void *cbarg, bfa_boolean_t complete)
2484{
2485 struct bfa_ioim_s *ioim = cbarg;
2486 int sns_len = 0xD;
2487 u32 residue = scsi_bufflen((struct scsi_cmnd *)ioim->dio);
2488 struct scsi_sense_s *snsinfo;
2489
2490 if (!complete) {
2491 bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB);
2492 return;
2493 }
2494
2495 snsinfo = (struct scsi_sense_s *)BFA_SNSINFO_FROM_TAG(ioim->fcpim->fcp,
2496 ioim->iotag);
2497 snsinfo->rsp_code = SCSI_SENSE_CUR_ERR;
2498 snsinfo->sense_key = SCSI_MP_IEC_UNIT_ATTN;
2499 snsinfo->asc = SCSI_ASC_TOCC;
2500 snsinfo->add_sense_length = 0x6;
2501 snsinfo->ascq = SCSI_ASCQ_RL_DATA_CHANGED;
2502 bfa_trc(ioim->bfa, residue);
2503 bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_OK,
2504 SCSI_STATUS_CHECK_CONDITION, sns_len,
2505 (u8 *)snsinfo, residue);
2506}
2507
2508static void
2509__bfa_cb_ioim_lm_lun_not_rdy(void *cbarg, bfa_boolean_t complete)
2510{
2511 struct bfa_ioim_s *ioim = cbarg;
2512 int sns_len = 0xD;
2513 u32 residue = scsi_bufflen((struct scsi_cmnd *)ioim->dio);
2514 struct scsi_sense_s *snsinfo;
2515
2516 if (!complete) {
2517 bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB);
2518 return;
2519 }
2520
2521 snsinfo = (struct scsi_sense_s *)BFA_SNSINFO_FROM_TAG(
2522 ioim->fcpim->fcp, ioim->iotag);
2523 snsinfo->rsp_code = SCSI_SENSE_CUR_ERR;
2524 snsinfo->add_sense_length = 0xa;
2525 snsinfo->sense_key = NOT_READY;
2526 snsinfo->asc = SCSI_ASC_LUN_NOT_READY;
2527 snsinfo->ascq = SCSI_ASCQ_MAN_INTR_REQ;
2528 bfa_trc(ioim->bfa, residue);
2529 bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_OK,
2530 SCSI_STATUS_CHECK_CONDITION, sns_len,
2531 (u8 *)snsinfo, residue);
2532}
2533
2534void 2170void
2535bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, wwn_t rp_wwn, 2171bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, wwn_t rp_wwn,
2536 u16 rp_tag, u8 lp_tag) 2172 u16 rp_tag, u8 lp_tag)
@@ -2759,7 +2395,6 @@ __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete)
2759 return; 2395 return;
2760 } 2396 }
2761 2397
2762 ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy;
2763 bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED, 2398 bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED,
2764 0, 0, NULL, 0); 2399 0, 0, NULL, 0);
2765} 2400}
@@ -2775,7 +2410,6 @@ __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete)
2775 return; 2410 return;
2776 } 2411 }
2777 2412
2778 ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy;
2779 bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV, 2413 bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV,
2780 0, 0, NULL, 0); 2414 0, 0, NULL, 0);
2781} 2415}
@@ -2790,7 +2424,6 @@ __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete)
2790 return; 2424 return;
2791 } 2425 }
2792 2426
2793 ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy;
2794 bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio); 2427 bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio);
2795} 2428}
2796 2429
@@ -3134,7 +2767,6 @@ bfa_ioim_attach(struct bfa_fcpim_s *fcpim)
3134 ioim->bfa = fcpim->bfa; 2767 ioim->bfa = fcpim->bfa;
3135 ioim->fcpim = fcpim; 2768 ioim->fcpim = fcpim;
3136 ioim->iosp = iosp; 2769 ioim->iosp = iosp;
3137 ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy;
3138 INIT_LIST_HEAD(&ioim->sgpg_q); 2770 INIT_LIST_HEAD(&ioim->sgpg_q);
3139 bfa_reqq_winit(&ioim->iosp->reqq_wait, 2771 bfa_reqq_winit(&ioim->iosp->reqq_wait,
3140 bfa_ioim_qresume, ioim); 2772 bfa_ioim_qresume, ioim);
@@ -3172,7 +2804,6 @@ bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
3172 evt = BFA_IOIM_SM_DONE; 2804 evt = BFA_IOIM_SM_DONE;
3173 else 2805 else
3174 evt = BFA_IOIM_SM_COMP; 2806 evt = BFA_IOIM_SM_COMP;
3175 ioim->proc_rsp_data(ioim);
3176 break; 2807 break;
3177 2808
3178 case BFI_IOIM_STS_TIMEDOUT: 2809 case BFI_IOIM_STS_TIMEDOUT:
@@ -3208,7 +2839,6 @@ bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
3208 if (rsp->abort_tag != ioim->abort_tag) { 2839 if (rsp->abort_tag != ioim->abort_tag) {
3209 bfa_trc(ioim->bfa, rsp->abort_tag); 2840 bfa_trc(ioim->bfa, rsp->abort_tag);
3210 bfa_trc(ioim->bfa, ioim->abort_tag); 2841 bfa_trc(ioim->bfa, ioim->abort_tag);
3211 ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy;
3212 return; 2842 return;
3213 } 2843 }
3214 2844
@@ -3227,7 +2857,6 @@ bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
3227 WARN_ON(1); 2857 WARN_ON(1);
3228 } 2858 }
3229 2859
3230 ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy;
3231 bfa_sm_send_event(ioim, evt); 2860 bfa_sm_send_event(ioim, evt);
3232} 2861}
3233 2862
@@ -3246,15 +2875,7 @@ bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
3246 2875
3247 bfa_ioim_cb_profile_comp(fcpim, ioim); 2876 bfa_ioim_cb_profile_comp(fcpim, ioim);
3248 2877
3249 if (bfa_get_lun_mask_status(bfa) != BFA_LUNMASK_ENABLED) { 2878 bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD);
3250 bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD);
3251 return;
3252 }
3253
3254 if (ioim->proc_rsp_data(ioim) == BFA_TRUE)
3255 bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD);
3256 else
3257 bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP);
3258} 2879}
3259 2880
3260/* 2881/*
@@ -3366,35 +2987,6 @@ bfa_ioim_free(struct bfa_ioim_s *ioim)
3366void 2987void
3367bfa_ioim_start(struct bfa_ioim_s *ioim) 2988bfa_ioim_start(struct bfa_ioim_s *ioim)
3368{ 2989{
3369 struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio;
3370 struct bfa_lps_s *lps;
3371 enum bfa_ioim_lm_status status;
3372 struct scsi_lun scsilun;
3373
3374 if (bfa_get_lun_mask_status(ioim->bfa) == BFA_LUNMASK_ENABLED) {
3375 lps = BFA_IOIM_TO_LPS(ioim);
3376 int_to_scsilun(cmnd->device->lun, &scsilun);
3377 status = bfa_ioim_lm_check(ioim, lps,
3378 ioim->itnim->rport, scsilun);
3379 if (status == BFA_IOIM_LM_LUN_NOT_RDY) {
3380 bfa_sm_send_event(ioim, BFA_IOIM_SM_LM_LUN_NOT_RDY);
3381 bfa_stats(ioim->itnim, lm_lun_not_rdy);
3382 return;
3383 }
3384
3385 if (status == BFA_IOIM_LM_LUN_NOT_SUP) {
3386 bfa_sm_send_event(ioim, BFA_IOIM_SM_LM_LUN_NOT_SUP);
3387 bfa_stats(ioim->itnim, lm_lun_not_sup);
3388 return;
3389 }
3390
3391 if (status == BFA_IOIM_LM_RPL_DATA_CHANGED) {
3392 bfa_sm_send_event(ioim, BFA_IOIM_SM_LM_RPL_DC);
3393 bfa_stats(ioim->itnim, lm_rpl_data_changed);
3394 return;
3395 }
3396 }
3397
3398 bfa_ioim_cb_profile_start(ioim->fcpim, ioim); 2990 bfa_ioim_cb_profile_start(ioim->fcpim, ioim);
3399 2991
3400 /* 2992 /*
diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h
index 1080bcb81cb..36f26da80f7 100644
--- a/drivers/scsi/bfa/bfa_fcpim.h
+++ b/drivers/scsi/bfa/bfa_fcpim.h
@@ -110,7 +110,6 @@ struct bfad_ioim_s;
110struct bfad_tskim_s; 110struct bfad_tskim_s;
111 111
112typedef void (*bfa_fcpim_profile_t) (struct bfa_ioim_s *ioim); 112typedef void (*bfa_fcpim_profile_t) (struct bfa_ioim_s *ioim);
113typedef bfa_boolean_t (*bfa_ioim_lm_proc_rsp_data_t) (struct bfa_ioim_s *ioim);
114 113
115struct bfa_fcpim_s { 114struct bfa_fcpim_s {
116 struct bfa_s *bfa; 115 struct bfa_s *bfa;
@@ -124,7 +123,6 @@ struct bfa_fcpim_s {
124 u32 path_tov; 123 u32 path_tov;
125 u16 q_depth; 124 u16 q_depth;
126 u8 reqq; /* Request queue to be used */ 125 u8 reqq; /* Request queue to be used */
127 u8 lun_masking_pending;
128 struct list_head itnim_q; /* queue of active itnim */ 126 struct list_head itnim_q; /* queue of active itnim */
129 struct list_head ioim_resfree_q; /* IOs waiting for f/w */ 127 struct list_head ioim_resfree_q; /* IOs waiting for f/w */
130 struct list_head ioim_comp_q; /* IO global comp Q */ 128 struct list_head ioim_comp_q; /* IO global comp Q */
@@ -181,7 +179,6 @@ struct bfa_ioim_s {
181 u8 reqq; /* Request queue for I/O */ 179 u8 reqq; /* Request queue for I/O */
182 u8 mode; /* IO is passthrough or not */ 180 u8 mode; /* IO is passthrough or not */
183 u64 start_time; /* IO's Profile start val */ 181 u64 start_time; /* IO's Profile start val */
184 bfa_ioim_lm_proc_rsp_data_t proc_rsp_data; /* RSP data adjust */
185}; 182};
186 183
187struct bfa_ioim_sp_s { 184struct bfa_ioim_sp_s {
@@ -261,10 +258,6 @@ struct bfa_itnim_s {
261 (__ioim)->iotag |= k << BFA_IOIM_RETRY_TAG_OFFSET; \ 258 (__ioim)->iotag |= k << BFA_IOIM_RETRY_TAG_OFFSET; \
262} while (0) 259} while (0)
263 260
264#define BFA_IOIM_TO_LPS(__ioim) \
265 BFA_LPS_FROM_TAG(BFA_LPS_MOD(__ioim->bfa), \
266 __ioim->itnim->rport->rport_info.lp_tag)
267
268static inline bfa_boolean_t 261static inline bfa_boolean_t
269bfa_ioim_maxretry_reached(struct bfa_ioim_s *ioim) 262bfa_ioim_maxretry_reached(struct bfa_ioim_s *ioim)
270{ 263{
diff --git a/drivers/scsi/bfa/bfa_svc.h b/drivers/scsi/bfa/bfa_svc.h
index 95adb86d376..b52cbb6bcd5 100644
--- a/drivers/scsi/bfa/bfa_svc.h
+++ b/drivers/scsi/bfa/bfa_svc.h
@@ -582,11 +582,6 @@ void bfa_cb_rport_qos_scn_prio(void *rport,
582#define BFA_LP_TAG_INVALID 0xff 582#define BFA_LP_TAG_INVALID 0xff
583void bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp); 583void bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
584void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp); 584void bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
585bfa_boolean_t bfa_rport_lunmask_active(struct bfa_rport_s *rp);
586wwn_t bfa_rport_get_pwwn(struct bfa_s *bfa, struct bfa_rport_s *rp);
587struct bfa_rport_s *bfa_rport_get_by_wwn(struct bfa_s *bfa, u16 vf_id,
588 wwn_t *lpwwn, wwn_t rpwwn);
589void *bfa_cb_get_rp_by_wwn(void *arg, u16 vf_id, wwn_t *lpwwn, wwn_t rpwwn);
590 585
591/* 586/*
592 * bfa fcxp API functions 587 * bfa fcxp API functions
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-22 06:46:59 -0500