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-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h3
-rw-r--r--drivers/scsi/lpfc/lpfc_hw4.h242
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c187
-rw-r--r--drivers/scsi/lpfc/lpfc_mbox.c38
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c9
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c27
-rw-r--r--drivers/scsi/lpfc/lpfc_sli4.h45
7 files changed, 451 insertions, 100 deletions
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index a717f0be7120..6f0fb51eb461 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -49,6 +49,9 @@ void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *,
void lpfc_unreg_vpi(struct lpfc_hba *, uint16_t, LPFC_MBOXQ_t *);
void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t);
void lpfc_request_features(struct lpfc_hba *, struct lpfcMboxq *);
+void lpfc_supported_pages(struct lpfcMboxq *);
+void lpfc_sli4_params(struct lpfcMboxq *);
+int lpfc_pc_sli4_params_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
void lpfc_cleanup_rcv_buffers(struct lpfc_vport *);
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index 999e49f6071e..820015fbc4d6 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -52,29 +52,35 @@ struct dma_address {
uint32_t addr_hi;
};
-#define LPFC_SLIREV_CONF_WORD 0x58
struct lpfc_sli_intf {
uint32_t word0;
-#define lpfc_sli_intf_iftype_MASK 0x00000007
-#define lpfc_sli_intf_iftype_SHIFT 0
-#define lpfc_sli_intf_iftype_WORD word0
-#define lpfc_sli_intf_rev_MASK 0x0000000f
-#define lpfc_sli_intf_rev_SHIFT 4
-#define lpfc_sli_intf_rev_WORD word0
-#define LPFC_SLIREV_CONF_SLI4 4
-#define lpfc_sli_intf_family_MASK 0x000000ff
-#define lpfc_sli_intf_family_SHIFT 8
-#define lpfc_sli_intf_family_WORD word0
-#define lpfc_sli_intf_feat1_MASK 0x000000ff
-#define lpfc_sli_intf_feat1_SHIFT 16
-#define lpfc_sli_intf_feat1_WORD word0
-#define lpfc_sli_intf_feat2_MASK 0x0000001f
-#define lpfc_sli_intf_feat2_SHIFT 24
-#define lpfc_sli_intf_feat2_WORD word0
-#define lpfc_sli_intf_valid_MASK 0x00000007
-#define lpfc_sli_intf_valid_SHIFT 29
-#define lpfc_sli_intf_valid_WORD word0
+#define lpfc_sli_intf_valid_SHIFT 29
+#define lpfc_sli_intf_valid_MASK 0x00000007
+#define lpfc_sli_intf_valid_WORD word0
#define LPFC_SLI_INTF_VALID 6
+#define lpfc_sli_intf_featurelevel2_SHIFT 24
+#define lpfc_sli_intf_featurelevel2_MASK 0x0000001F
+#define lpfc_sli_intf_featurelevel2_WORD word0
+#define lpfc_sli_intf_featurelevel1_SHIFT 16
+#define lpfc_sli_intf_featurelevel1_MASK 0x000000FF
+#define lpfc_sli_intf_featurelevel1_WORD word0
+#define LPFC_SLI_INTF_FEATURELEVEL1_1 1
+#define LPFC_SLI_INTF_FEATURELEVEL1_2 2
+#define lpfc_sli_intf_sli_family_SHIFT 8
+#define lpfc_sli_intf_sli_family_MASK 0x000000FF
+#define lpfc_sli_intf_sli_family_WORD word0
+#define LPFC_SLI_INTF_FAMILY_BE2 0
+#define LPFC_SLI_INTF_FAMILY_BE3 1
+#define lpfc_sli_intf_slirev_SHIFT 4
+#define lpfc_sli_intf_slirev_MASK 0x0000000F
+#define lpfc_sli_intf_slirev_WORD word0
+#define LPFC_SLI_INTF_REV_SLI3 3
+#define LPFC_SLI_INTF_REV_SLI4 4
+#define lpfc_sli_intf_if_type_SHIFT 0
+#define lpfc_sli_intf_if_type_MASK 0x00000007
+#define lpfc_sli_intf_if_type_WORD word0
+#define LPFC_SLI_INTF_IF_TYPE_0 0
+#define LPFC_SLI_INTF_IF_TYPE_1 1
};
#define LPFC_SLI4_MBX_EMBED true
@@ -157,6 +163,9 @@ struct lpfc_sli_intf {
#define LPFC_FP_DEF_IMAX 10000
#define LPFC_SP_DEF_IMAX 10000
+/* PORT_CAPABILITIES constants. */
+#define LPFC_MAX_SUPPORTED_PAGES 8
+
struct ulp_bde64 {
union ULP_BDE_TUS {
uint32_t w;
@@ -512,7 +521,7 @@ struct lpfc_register {
#define LPFC_UERR_STATUS_LO 0x00A0
#define LPFC_UE_MASK_HI 0x00AC
#define LPFC_UE_MASK_LO 0x00A8
-#define LPFC_SCRATCHPAD 0x0058
+#define LPFC_SLI_INTF 0x0058
/* BAR0 Registers */
#define LPFC_HST_STATE 0x00AC
@@ -572,19 +581,6 @@ struct lpfc_register {
#define LPFC_POST_STAGE_ARMFW_READY 0xC000
#define LPFC_POST_STAGE_ARMFW_UE 0xF000
-#define lpfc_scratchpad_slirev_SHIFT 4
-#define lpfc_scratchpad_slirev_MASK 0xF
-#define lpfc_scratchpad_slirev_WORD word0
-#define lpfc_scratchpad_chiptype_SHIFT 8
-#define lpfc_scratchpad_chiptype_MASK 0xFF
-#define lpfc_scratchpad_chiptype_WORD word0
-#define lpfc_scratchpad_featurelevel1_SHIFT 16
-#define lpfc_scratchpad_featurelevel1_MASK 0xFF
-#define lpfc_scratchpad_featurelevel1_WORD word0
-#define lpfc_scratchpad_featurelevel2_SHIFT 24
-#define lpfc_scratchpad_featurelevel2_MASK 0xFF
-#define lpfc_scratchpad_featurelevel2_WORD word0
-
/* BAR1 Registers */
#define LPFC_IMR_MASK_ALL 0xFFFFFFFF
#define LPFC_ISCR_CLEAR_ALL 0xFFFFFFFF
@@ -1146,10 +1142,7 @@ struct sli4_sge { /* SLI-4 */
this flag !! */
#define lpfc_sli4_sge_last_MASK 0x00000001
#define lpfc_sli4_sge_last_WORD word2
- uint32_t word3;
-#define lpfc_sli4_sge_len_SHIFT 0
-#define lpfc_sli4_sge_len_MASK 0x0001FFFF
-#define lpfc_sli4_sge_len_WORD word3
+ uint32_t sge_len;
};
struct fcf_record {
@@ -1844,6 +1837,177 @@ struct lpfc_mbx_request_features {
#define lpfc_mbx_rq_ftr_rsp_ifip_WORD word3
};
+struct lpfc_mbx_supp_pages {
+ uint32_t word1;
+#define qs_SHIFT 0
+#define qs_MASK 0x00000001
+#define qs_WORD word1
+#define wr_SHIFT 1
+#define wr_MASK 0x00000001
+#define wr_WORD word1
+#define pf_SHIFT 8
+#define pf_MASK 0x000000ff
+#define pf_WORD word1
+#define cpn_SHIFT 16
+#define cpn_MASK 0x000000ff
+#define cpn_WORD word1
+ uint32_t word2;
+#define list_offset_SHIFT 0
+#define list_offset_MASK 0x000000ff
+#define list_offset_WORD word2
+#define next_offset_SHIFT 8
+#define next_offset_MASK 0x000000ff
+#define next_offset_WORD word2
+#define elem_cnt_SHIFT 16
+#define elem_cnt_MASK 0x000000ff
+#define elem_cnt_WORD word2
+ uint32_t word3;
+#define pn_0_SHIFT 24
+#define pn_0_MASK 0x000000ff
+#define pn_0_WORD word3
+#define pn_1_SHIFT 16
+#define pn_1_MASK 0x000000ff
+#define pn_1_WORD word3
+#define pn_2_SHIFT 8
+#define pn_2_MASK 0x000000ff
+#define pn_2_WORD word3
+#define pn_3_SHIFT 0
+#define pn_3_MASK 0x000000ff
+#define pn_3_WORD word3
+ uint32_t word4;
+#define pn_4_SHIFT 24
+#define pn_4_MASK 0x000000ff
+#define pn_4_WORD word4
+#define pn_5_SHIFT 16
+#define pn_5_MASK 0x000000ff
+#define pn_5_WORD word4
+#define pn_6_SHIFT 8
+#define pn_6_MASK 0x000000ff
+#define pn_6_WORD word4
+#define pn_7_SHIFT 0
+#define pn_7_MASK 0x000000ff
+#define pn_7_WORD word4
+ uint32_t rsvd[27];
+#define LPFC_SUPP_PAGES 0
+#define LPFC_BLOCK_GUARD_PROFILES 1
+#define LPFC_SLI4_PARAMETERS 2
+};
+
+struct lpfc_mbx_sli4_params {
+ uint32_t word1;
+#define qs_SHIFT 0
+#define qs_MASK 0x00000001
+#define qs_WORD word1
+#define wr_SHIFT 1
+#define wr_MASK 0x00000001
+#define wr_WORD word1
+#define pf_SHIFT 8
+#define pf_MASK 0x000000ff
+#define pf_WORD word1
+#define cpn_SHIFT 16
+#define cpn_MASK 0x000000ff
+#define cpn_WORD word1
+ uint32_t word2;
+#define if_type_SHIFT 0
+#define if_type_MASK 0x00000007
+#define if_type_WORD word2
+#define sli_rev_SHIFT 4
+#define sli_rev_MASK 0x0000000f
+#define sli_rev_WORD word2
+#define sli_family_SHIFT 8
+#define sli_family_MASK 0x000000ff
+#define sli_family_WORD word2
+#define featurelevel_1_SHIFT 16
+#define featurelevel_1_MASK 0x000000ff
+#define featurelevel_1_WORD word2
+#define featurelevel_2_SHIFT 24
+#define featurelevel_2_MASK 0x0000001f
+#define featurelevel_2_WORD word2
+ uint32_t word3;
+#define fcoe_SHIFT 0
+#define fcoe_MASK 0x00000001
+#define fcoe_WORD word3
+#define fc_SHIFT 1
+#define fc_MASK 0x00000001
+#define fc_WORD word3
+#define nic_SHIFT 2
+#define nic_MASK 0x00000001
+#define nic_WORD word3
+#define iscsi_SHIFT 3
+#define iscsi_MASK 0x00000001
+#define iscsi_WORD word3
+#define rdma_SHIFT 4
+#define rdma_MASK 0x00000001
+#define rdma_WORD word3
+ uint32_t sge_supp_len;
+ uint32_t word5;
+#define if_page_sz_SHIFT 0
+#define if_page_sz_MASK 0x0000ffff
+#define if_page_sz_WORD word5
+#define loopbk_scope_SHIFT 24
+#define loopbk_scope_MASK 0x0000000f
+#define loopbk_scope_WORD word5
+#define rq_db_window_SHIFT 28
+#define rq_db_window_MASK 0x0000000f
+#define rq_db_window_WORD word5
+ uint32_t word6;
+#define eq_pages_SHIFT 0
+#define eq_pages_MASK 0x0000000f
+#define eq_pages_WORD word6
+#define eqe_size_SHIFT 8
+#define eqe_size_MASK 0x000000ff
+#define eqe_size_WORD word6
+ uint32_t word7;
+#define cq_pages_SHIFT 0
+#define cq_pages_MASK 0x0000000f
+#define cq_pages_WORD word7
+#define cqe_size_SHIFT 8
+#define cqe_size_MASK 0x000000ff
+#define cqe_size_WORD word7
+ uint32_t word8;
+#define mq_pages_SHIFT 0
+#define mq_pages_MASK 0x0000000f
+#define mq_pages_WORD word8
+#define mqe_size_SHIFT 8
+#define mqe_size_MASK 0x000000ff
+#define mqe_size_WORD word8
+#define mq_elem_cnt_SHIFT 16
+#define mq_elem_cnt_MASK 0x000000ff
+#define mq_elem_cnt_WORD word8
+ uint32_t word9;
+#define wq_pages_SHIFT 0
+#define wq_pages_MASK 0x0000ffff
+#define wq_pages_WORD word9
+#define wqe_size_SHIFT 8
+#define wqe_size_MASK 0x000000ff
+#define wqe_size_WORD word9
+ uint32_t word10;
+#define rq_pages_SHIFT 0
+#define rq_pages_MASK 0x0000ffff
+#define rq_pages_WORD word10
+#define rqe_size_SHIFT 8
+#define rqe_size_MASK 0x000000ff
+#define rqe_size_WORD word10
+ uint32_t word11;
+#define hdr_pages_SHIFT 0
+#define hdr_pages_MASK 0x0000000f
+#define hdr_pages_WORD word11
+#define hdr_size_SHIFT 8
+#define hdr_size_MASK 0x0000000f
+#define hdr_size_WORD word11
+#define hdr_pp_align_SHIFT 16
+#define hdr_pp_align_MASK 0x0000ffff
+#define hdr_pp_align_WORD word11
+ uint32_t word12;
+#define sgl_pages_SHIFT 0
+#define sgl_pages_MASK 0x0000000f
+#define sgl_pages_WORD word12
+#define sgl_pp_align_SHIFT 16
+#define sgl_pp_align_MASK 0x0000ffff
+#define sgl_pp_align_WORD word12
+ uint32_t rsvd_13_63[51];
+};
+
/* Mailbox Completion Queue Error Messages */
#define MB_CQE_STATUS_SUCCESS 0x0
#define MB_CQE_STATUS_INSUFFICIENT_PRIVILEGES 0x1
@@ -1894,6 +2058,8 @@ struct lpfc_mqe {
struct lpfc_mbx_request_features req_ftrs;
struct lpfc_mbx_post_hdr_tmpl hdr_tmpl;
struct lpfc_mbx_query_fw_cfg query_fw_cfg;
+ struct lpfc_mbx_supp_pages supp_pages;
+ struct lpfc_mbx_sli4_params sli4_params;
struct lpfc_mbx_nop nop;
} un;
};
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 6e04679167e3..b0b7bb39f054 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2443,7 +2443,8 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
shost->this_id = -1;
shost->max_cmd_len = 16;
if (phba->sli_rev == LPFC_SLI_REV4) {
- shost->dma_boundary = LPFC_SLI4_MAX_SEGMENT_SIZE;
+ shost->dma_boundary =
+ phba->sli4_hba.pc_sli4_params.sge_supp_len;
shost->sg_tablesize = phba->cfg_sg_seg_cnt;
}
@@ -3621,8 +3622,10 @@ static int
lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
{
struct lpfc_sli *psli;
- int rc;
- int i, hbq_count;
+ LPFC_MBOXQ_t *mboxq;
+ int rc, i, hbq_count, buf_size, dma_buf_size, max_buf_size;
+ uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
+ struct lpfc_mqe *mqe;
/* Before proceed, wait for POST done and device ready */
rc = lpfc_sli4_post_status_check(phba);
@@ -3680,31 +3683,26 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
* used to create the sg_dma_buf_pool must be dynamically calculated.
* 2 segments are added since the IOCB needs a command and response bde.
* To insure that the scsi sgl does not cross a 4k page boundary only
- * sgl sizes of 1k, 2k, 4k, and 8k are supported.
- * Table of sgl sizes and seg_cnt:
- * sgl size, sg_seg_cnt total seg
- * 1k 50 52
- * 2k 114 116
- * 4k 242 244
- * 8k 498 500
- * cmd(32) + rsp(160) + (52 * sizeof(sli4_sge)) = 1024
- * cmd(32) + rsp(160) + (116 * sizeof(sli4_sge)) = 2048
- * cmd(32) + rsp(160) + (244 * sizeof(sli4_sge)) = 4096
- * cmd(32) + rsp(160) + (500 * sizeof(sli4_sge)) = 8192
+ * sgl sizes of must be a power of 2.
*/
- if (phba->cfg_sg_seg_cnt <= LPFC_DEFAULT_SG_SEG_CNT)
- phba->cfg_sg_seg_cnt = 50;
- else if (phba->cfg_sg_seg_cnt <= 114)
- phba->cfg_sg_seg_cnt = 114;
- else if (phba->cfg_sg_seg_cnt <= 242)
- phba->cfg_sg_seg_cnt = 242;
+ buf_size = (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) +
+ ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge)));
+ /* Feature Level 1 hardware is limited to 2 pages */
+ if ((bf_get(lpfc_sli_intf_featurelevel1, &phba->sli4_hba.sli_intf) ==
+ LPFC_SLI_INTF_FEATURELEVEL1_1))
+ max_buf_size = LPFC_SLI4_FL1_MAX_BUF_SIZE;
else
- phba->cfg_sg_seg_cnt = 498;
-
- phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd)
- + sizeof(struct fcp_rsp);
- phba->cfg_sg_dma_buf_size +=
- ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge));
+ max_buf_size = LPFC_SLI4_MAX_BUF_SIZE;
+ for (dma_buf_size = LPFC_SLI4_MIN_BUF_SIZE;
+ dma_buf_size < max_buf_size && buf_size > dma_buf_size;
+ dma_buf_size = dma_buf_size << 1)
+ ;
+ if (dma_buf_size == max_buf_size)
+ phba->cfg_sg_seg_cnt = (dma_buf_size -
+ sizeof(struct fcp_cmnd) - sizeof(struct fcp_rsp) -
+ (2 * sizeof(struct sli4_sge))) /
+ sizeof(struct sli4_sge);
+ phba->cfg_sg_dma_buf_size = dma_buf_size;
/* Initialize buffer queue management fields */
hbq_count = lpfc_sli_hbq_count();
@@ -3822,6 +3820,43 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
goto out_free_fcp_eq_hdl;
}
+ mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool,
+ GFP_KERNEL);
+ if (!mboxq) {
+ rc = -ENOMEM;
+ goto out_free_fcp_eq_hdl;
+ }
+
+ /* Get the Supported Pages. It is always available. */
+ lpfc_supported_pages(mboxq);
+ rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+ if (unlikely(rc)) {
+ rc = -EIO;
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ goto out_free_fcp_eq_hdl;
+ }
+
+ mqe = &mboxq->u.mqe;
+ memcpy(&pn_page[0], ((uint8_t *)&mqe->un.supp_pages.word3),
+ LPFC_MAX_SUPPORTED_PAGES);
+ for (i = 0; i < LPFC_MAX_SUPPORTED_PAGES; i++) {
+ switch (pn_page[i]) {
+ case LPFC_SLI4_PARAMETERS:
+ phba->sli4_hba.pc_sli4_params.supported = 1;
+ break;
+ default:
+ break;
+ }
+ }
+
+ /* Read the port's SLI4 Parameters capabilities if supported. */
+ if (phba->sli4_hba.pc_sli4_params.supported)
+ rc = lpfc_pc_sli4_params_get(phba, mboxq);
+ mempool_free(mboxq, phba->mbox_mem_pool);
+ if (rc) {
+ rc = -EIO;
+ goto out_free_fcp_eq_hdl;
+ }
return rc;
out_free_fcp_eq_hdl:
@@ -4825,7 +4860,7 @@ lpfc_sli_pci_mem_unset(struct lpfc_hba *phba)
int
lpfc_sli4_post_status_check(struct lpfc_hba *phba)
{
- struct lpfc_register sta_reg, uerrlo_reg, uerrhi_reg, scratchpad;
+ struct lpfc_register sta_reg, uerrlo_reg, uerrhi_reg;
int i, port_error = -ENODEV;
if (!phba->sli4_hba.STAregaddr)
@@ -4861,14 +4896,21 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba)
bf_get(lpfc_hst_state_port_status, &sta_reg));
/* Log device information */
- scratchpad.word0 = readl(phba->sli4_hba.SCRATCHPADregaddr);
- lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
- "2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
- "FeatureL1=0x%x, FeatureL2=0x%x\n",
- bf_get(lpfc_scratchpad_chiptype, &scratchpad),
- bf_get(lpfc_scratchpad_slirev, &scratchpad),
- bf_get(lpfc_scratchpad_featurelevel1, &scratchpad),
- bf_get(lpfc_scratchpad_featurelevel2, &scratchpad));
+ phba->sli4_hba.sli_intf.word0 = readl(phba->sli4_hba.SLIINTFregaddr);
+ if (bf_get(lpfc_sli_intf_valid,
+ &phba->sli4_hba.sli_intf) == LPFC_SLI_INTF_VALID) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+ "2534 Device Info: ChipType=0x%x, SliRev=0x%x, "
+ "FeatureL1=0x%x, FeatureL2=0x%x\n",
+ bf_get(lpfc_sli_intf_sli_family,
+ &phba->sli4_hba.sli_intf),
+ bf_get(lpfc_sli_intf_slirev,
+ &phba->sli4_hba.sli_intf),
+ bf_get(lpfc_sli_intf_featurelevel1,
+ &phba->sli4_hba.sli_intf),
+ bf_get(lpfc_sli_intf_featurelevel2,
+ &phba->sli4_hba.sli_intf));
+ }
phba->sli4_hba.ue_mask_lo = readl(phba->sli4_hba.UEMASKLOregaddr);
phba->sli4_hba.ue_mask_hi = readl(phba->sli4_hba.UEMASKHIregaddr);
/* With uncoverable error, log the error message and return error */
@@ -4907,8 +4949,8 @@ lpfc_sli4_bar0_register_memmap(struct lpfc_hba *phba)
LPFC_UE_MASK_LO;
phba->sli4_hba.UEMASKHIregaddr = phba->sli4_hba.conf_regs_memmap_p +
LPFC_UE_MASK_HI;
- phba->sli4_hba.SCRATCHPADregaddr = phba->sli4_hba.conf_regs_memmap_p +
- LPFC_SCRATCHPAD;
+ phba->sli4_hba.SLIINTFregaddr = phba->sli4_hba.conf_regs_memmap_p +
+ LPFC_SLI_INTF;
}
/**
@@ -6981,6 +7023,73 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba)
phba->pport->work_port_events = 0;
}
+ /**
+ * lpfc_pc_sli4_params_get - Get the SLI4_PARAMS port capabilities.
+ * @phba: Pointer to HBA context object.
+ * @mboxq: Pointer to the mailboxq memory for the mailbox command response.
+ *
+ * This function is called in the SLI4 code path to read the port's
+ * sli4 capabilities.
+ *
+ * This function may be be called from any context that can block-wait
+ * for the completion. The expectation is that this routine is called
+ * typically from probe_one or from the online routine.
+ **/
+int
+lpfc_pc_sli4_params_get(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+ int rc;
+ struct lpfc_mqe *mqe;
+ struct lpfc_pc_sli4_params *sli4_params;
+ uint32_t mbox_tmo;
+
+ rc = 0;
+ mqe = &mboxq->u.mqe;
+
+ /* Read the port's SLI4 Parameters port capabilities */
+ lpfc_sli4_params(mboxq);
+ if (!phba->sli4_hba.intr_enable)
+ rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
+ else {
+ mbox_tmo = lpfc_mbox_tmo_val(phba, MBX_PORT_CAPABILITIES);
+ rc = lpfc_sli_issue_mbox_wait(phba, mboxq, mbox_tmo);
+ }
+
+ if (unlikely(rc))
+ return 1;
+
+ sli4_params = &phba->sli4_hba.pc_sli4_params;
+ sli4_params->if_type = bf_get(if_type, &mqe->un.sli4_params);
+ sli4_params->sli_rev = bf_get(sli_rev, &mqe->un.sli4_params);
+ sli4_params->sli_family = bf_get(sli_family, &mqe->un.sli4_params);
+ sli4_params->featurelevel_1 = bf_get(featurelevel_1,
+ &mqe->un.sli4_params);
+ sli4_params->featurelevel_2 = bf_get(featurelevel_2,
+ &mqe->un.sli4_params);
+ sli4_params->proto_types = mqe->un.sli4_params.word3;
+ sli4_params->sge_supp_len = mqe->un.sli4_params.sge_supp_len;
+ sli4_params->if_page_sz = bf_get(if_page_sz, &mqe->un.sli4_params);
+ sli4_params->rq_db_window = bf_get(rq_db_window, &mqe->un.sli4_params);
+ sli4_params->loopbk_scope = bf_get(loopbk_scope, &mqe->un.sli4_params);
+ sli4_params->eq_pages_max = bf_get(eq_pages, &mqe->un.sli4_params);
+ sli4_params->eqe_size = bf_get(eqe_size, &mqe->un.sli4_params);
+ sli4_params->cq_pages_max = bf_get(cq_pages, &mqe->un.sli4_params);
+ sli4_params->cqe_size = bf_get(cqe_size, &mqe->un.sli4_params);
+ sli4_params->mq_pages_max = bf_get(mq_pages, &mqe->un.sli4_params);
+ sli4_params->mqe_size = bf_get(mqe_size, &mqe->un.sli4_params);
+ sli4_params->mq_elem_cnt = bf_get(mq_elem_cnt, &mqe->un.sli4_params);
+ sli4_params->wq_pages_max = bf_get(wq_pages, &mqe->un.sli4_params);
+ sli4_params->wqe_size = bf_get(wqe_size, &mqe->un.sli4_params);
+ sli4_params->rq_pages_max = bf_get(rq_pages, &mqe->un.sli4_params);
+ sli4_params->rqe_size = bf_get(rqe_size, &mqe->un.sli4_params);
+ sli4_params->hdr_pages_max = bf_get(hdr_pages, &mqe->un.sli4_params);
+ sli4_params->hdr_size = bf_get(hdr_size, &mqe->un.sli4_params);
+ sli4_params->hdr_pp_align = bf_get(hdr_pp_align, &mqe->un.sli4_params);
+ sli4_params->sgl_pages_max = bf_get(sgl_pages, &mqe->un.sli4_params);
+ sli4_params->sgl_pp_align = bf_get(sgl_pp_align, &mqe->un.sli4_params);
+ return rc;
+}
+
/**
* lpfc_pci_probe_one_s3 - PCI probe func to reg SLI-3 device to PCI subsystem.
* @pdev: pointer to PCI device
@@ -8053,11 +8162,11 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
int rc;
struct lpfc_sli_intf intf;
- if (pci_read_config_dword(pdev, LPFC_SLIREV_CONF_WORD, &intf.word0))
+ if (pci_read_config_dword(pdev, LPFC_SLI_INTF, &intf.word0))
return -ENODEV;
if ((bf_get(lpfc_sli_intf_valid, &intf) == LPFC_SLI_INTF_VALID) &&
- (bf_get(lpfc_sli_intf_rev, &intf) == LPFC_SLIREV_CONF_SLI4))
+ (bf_get(lpfc_sli_intf_slirev, &intf) == LPFC_SLI_INTF_REV_SLI4))
rc = lpfc_pci_probe_one_s4(pdev, pid);
else
rc = lpfc_pci_probe_one_s3(pdev, pid);
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index c2cc29f70a4b..6c1d8b3fe8cc 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -2052,3 +2052,41 @@ lpfc_resume_rpi(struct lpfcMboxq *mbox, struct lpfc_nodelist *ndlp)
bf_set(lpfc_resume_rpi_ii, resume_rpi, RESUME_INDEX_RPI);
resume_rpi->event_tag = ndlp->phba->fc_eventTag;
}
+
+/**
+ * lpfc_supported_pages - Initialize the PORT_CAPABILITIES supported pages
+ * mailbox command.
+ * @mbox: pointer to lpfc mbox command to initialize.
+ *
+ * The PORT_CAPABILITIES supported pages mailbox command is issued to
+ * retrieve the particular feature pages supported by the port.
+ **/
+void
+lpfc_supported_pages(struct lpfcMboxq *mbox)
+{
+ struct lpfc_mbx_supp_pages *supp_pages;
+
+ memset(mbox, 0, sizeof(*mbox));
+ supp_pages = &mbox->u.mqe.un.supp_pages;
+ bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
+ bf_set(cpn, supp_pages, LPFC_SUPP_PAGES);
+}
+
+/**
+ * lpfc_sli4_params - Initialize the PORT_CAPABILITIES SLI4 Params
+ * mailbox command.
+ * @mbox: pointer to lpfc mbox command to initialize.
+ *
+ * The PORT_CAPABILITIES SLI4 parameters mailbox command is issued to
+ * retrieve the particular SLI4 features supported by the port.
+ **/
+void
+lpfc_sli4_params(struct lpfcMboxq *mbox)
+{
+ struct lpfc_mbx_sli4_params *sli4_params;
+
+ memset(mbox, 0, sizeof(*mbox));
+ sli4_params = &mbox->u.mqe.un.sli4_params;
+ bf_set(lpfc_mqe_command, &mbox->u.mqe, MBX_PORT_CAPABILITIES);
+ bf_set(cpn, sli4_params, LPFC_SLI4_PARAMETERS);
+}
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 8f4b90a9d151..8e98c6335e00 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -798,19 +798,17 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
*/
sgl->addr_hi = cpu_to_le32(putPaddrHigh(pdma_phys_fcp_cmd));
sgl->addr_lo = cpu_to_le32(putPaddrLow(pdma_phys_fcp_cmd));
- bf_set(lpfc_sli4_sge_len, sgl, sizeof(struct fcp_cmnd));
bf_set(lpfc_sli4_sge_last, sgl, 0);
sgl->word2 = cpu_to_le32(sgl->word2);
- sgl->word3 = cpu_to_le32(sgl->word3);
+ sgl->sge_len = cpu_to_le32(sizeof(struct fcp_cmnd));
sgl++;
/* Setup the physical region for the FCP RSP */
sgl->addr_hi = cpu_to_le32(putPaddrHigh(pdma_phys_fcp_rsp));
sgl->addr_lo = cpu_to_le32(putPaddrLow(pdma_phys_fcp_rsp));
- bf_set(lpfc_sli4_sge_len, sgl, sizeof(struct fcp_rsp));
bf_set(lpfc_sli4_sge_last, sgl, 1);
sgl->word2 = cpu_to_le32(sgl->word2);
- sgl->word3 = cpu_to_le32(sgl->word3);
+ sgl->sge_len = cpu_to_le32(sizeof(struct fcp_rsp));
/*
* Since the IOCB for the FCP I/O is built into this
@@ -1872,7 +1870,6 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
scsi_for_each_sg(scsi_cmnd, sgel, nseg, num_bde) {
physaddr = sg_dma_address(sgel);
dma_len = sg_dma_len(sgel);
- bf_set(lpfc_sli4_sge_len, sgl, sg_dma_len(sgel));
sgl->addr_lo = cpu_to_le32(putPaddrLow(physaddr));
sgl->addr_hi = cpu_to_le32(putPaddrHigh(physaddr));
if ((num_bde + 1) == nseg)
@@ -1881,7 +1878,7 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
bf_set(lpfc_sli4_sge_last, sgl, 0);
bf_set(lpfc_sli4_sge_offset, sgl, dma_offset);
sgl->word2 = cpu_to_le32(sgl->word2);
- sgl->word3 = cpu_to_le32(sgl->word3);
+ sgl->sge_len = cpu_to_le32(dma_len);
dma_offset += dma_len;
sgl++;
}
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index d2ddf7d9e1bb..35e3b96d4e07 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -5739,19 +5739,19 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
for (i = 0; i < numBdes; i++) {
/* Should already be byte swapped. */
- sgl->addr_hi = bpl->addrHigh;
- sgl->addr_lo = bpl->addrLow;
- /* swap the size field back to the cpu so we
- * can assign it to the sgl.
- */
- bde.tus.w = le32_to_cpu(bpl->tus.w);
- bf_set(lpfc_sli4_sge_len, sgl, bde.tus.f.bdeSize);
+ sgl->addr_hi = bpl->addrHigh;
+ sgl->addr_lo = bpl->addrLow;
+
if ((i+1) == numBdes)
bf_set(lpfc_sli4_sge_last, sgl, 1);
else
bf_set(lpfc_sli4_sge_last, sgl, 0);
sgl->word2 = cpu_to_le32(sgl->word2);
- sgl->word3 = cpu_to_le32(sgl->word3);
+ /* swap the size field back to the cpu so we
+ * can assign it to the sgl.
+ */
+ bde.tus.w = le32_to_cpu(bpl->tus.w);
+ sgl->sge_len = cpu_to_le32(bde.tus.f.bdeSize);
bpl++;
sgl++;
}
@@ -5764,11 +5764,10 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
cpu_to_le32(icmd->un.genreq64.bdl.addrHigh);
sgl->addr_lo =
cpu_to_le32(icmd->un.genreq64.bdl.addrLow);
- bf_set(lpfc_sli4_sge_len, sgl,
- icmd->un.genreq64.bdl.bdeSize);
bf_set(lpfc_sli4_sge_last, sgl, 1);
sgl->word2 = cpu_to_le32(sgl->word2);
- sgl->word3 = cpu_to_le32(sgl->word3);
+ sgl->sge_len =
+ cpu_to_le32(icmd->un.genreq64.bdl.bdeSize);
}
return sglq->sli4_xritag;
}
@@ -8934,8 +8933,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe)
int ecount = 0;
uint16_t cqid;
- if (bf_get(lpfc_eqe_major_code, eqe) != 0 ||
- bf_get(lpfc_eqe_minor_code, eqe) != 0) {
+ if (bf_get(lpfc_eqe_major_code, eqe) != 0) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0359 Not a valid slow-path completion "
"event: majorcode=x%x, minorcode=x%x\n",
@@ -9167,8 +9165,7 @@ lpfc_sli4_fp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe,
uint16_t cqid;
int ecount = 0;
- if (unlikely(bf_get(lpfc_eqe_major_code, eqe) != 0) ||
- unlikely(bf_get(lpfc_eqe_minor_code, eqe) != 0)) {
+ if (unlikely(bf_get(lpfc_eqe_major_code, eqe) != 0)) {
lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
"0366 Not a valid fast-path completion "
"event: majorcode=x%x, minorcode=x%x\n",
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 0a4f59ea21d0..86308836600f 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -264,7 +264,10 @@ struct lpfc_bmbx {
#define SLI4_CT_VFI 2
#define SLI4_CT_FCFI 3
-#define LPFC_SLI4_MAX_SEGMENT_SIZE 0x10000
+#define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE 0x10000
+#define LPFC_SLI4_FL1_MAX_BUF_SIZE 0X2000
+#define LPFC_SLI4_MIN_BUF_SIZE 0x400
+#define LPFC_SLI4_MAX_BUF_SIZE 0x20000
/*
* SLI4 specific data structures
@@ -298,6 +301,42 @@ struct lpfc_fcp_eq_hdl {
struct lpfc_hba *phba;
};
+/* Port Capabilities for SLI4 Parameters */
+struct lpfc_pc_sli4_params {
+ uint32_t supported;
+ uint32_t if_type;
+ uint32_t sli_rev;
+ uint32_t sli_family;
+ uint32_t featurelevel_1;
+ uint32_t featurelevel_2;
+ uint32_t proto_types;
+#define LPFC_SLI4_PROTO_FCOE 0x0000001
+#define LPFC_SLI4_PROTO_FC 0x0000002
+#define LPFC_SLI4_PROTO_NIC 0x0000004
+#define LPFC_SLI4_PROTO_ISCSI 0x0000008
+#define LPFC_SLI4_PROTO_RDMA 0x0000010
+ uint32_t sge_supp_len;
+ uint32_t if_page_sz;
+ uint32_t rq_db_window;
+ uint32_t loopbk_scope;
+ uint32_t eq_pages_max;
+ uint32_t eqe_size;
+ uint32_t cq_pages_max;
+ uint32_t cqe_size;
+ uint32_t mq_pages_max;
+ uint32_t mqe_size;
+ uint32_t mq_elem_cnt;
+ uint32_t wq_pages_max;
+ uint32_t wqe_size;
+ uint32_t rq_pages_max;
+ uint32_t rqe_size;
+ uint32_t hdr_pages_max;
+ uint32_t hdr_size;
+ uint32_t hdr_pp_align;
+ uint32_t sgl_pages_max;
+ uint32_t sgl_pp_align;
+};
+
/* SLI4 HBA data structure entries */
struct lpfc_sli4_hba {
void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
@@ -311,7 +350,7 @@ struct lpfc_sli4_hba {
void __iomem *UERRHIregaddr; /* Address to UERR_STATUS_HI register */
void __iomem *UEMASKLOregaddr; /* Address to UE_MASK_LO register */
void __iomem *UEMASKHIregaddr; /* Address to UE_MASK_HI register */
- void __iomem *SCRATCHPADregaddr; /* Address to scratchpad register */
+ void __iomem *SLIINTFregaddr; /* Address to SLI_INTF register */
/* BAR1 FCoE function CSR register memory map */
void __iomem *STAregaddr; /* Address to HST_STATE register */
void __iomem *ISRregaddr; /* Address to HST_ISR register */
@@ -326,6 +365,8 @@ struct lpfc_sli4_hba {
uint32_t ue_mask_lo;
uint32_t ue_mask_hi;
+ struct lpfc_register sli_intf;
+ struct lpfc_pc_sli4_params pc_sli4_params;
struct msix_entry *msix_entries;
uint32_t cfg_eqn;
struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
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